CN-121986949-A - Automatic pretreatment system and process based on pet food processing production line

CN121986949ACN 121986949 ACN121986949 ACN 121986949ACN-121986949-A

Abstract

The invention discloses an automatic pretreatment system and process based on a pet food processing production line, and relates to the technical field of pet food processing, wherein the system comprises a mincing, chopping and grinding assembly, a mincing machine, a chopping and grinding machine and a bone paste mill; the meat grinder is provided with a direct output end, output ends of the meat grinder and the bone paste mill are respectively connected in a one-to-one correspondence mode, the premixing storage mechanism is respectively connected with the direct output end of the meat grinder, the output end of the meat grinder and the output end of the bone paste mill in a connecting mode, the vacuum stirring mechanism is arranged at the downstream position of the premixing storage mechanism in a connecting mode, and the forming mechanism is arranged at the downstream position of the vacuum stirring mechanism in a connecting mode. Solves the technical problems of low operation efficiency, lower automation degree, poor quality stability and hidden danger of food safety existing in the prior art aiming at the pretreatment process of pet food products.

Inventors

WANG DONGBO
CHEN JINFA
GUO QINGGUANG
LU BINGQING
Qian Pinfeng
CHEN TIANHONG
FENG XUELING

Assignees

山东海创工贸有限公司

Dates

Publication Date: 20260508
Application Date: 20260226

Claims (10)

1. Automatic preprocessing system based on pet food processing production line, characterized by comprising: the mincing, chopping and grinding assembly comprises a meat grinder, a chopping and grinding machine and a bone paste mill; The meat grinder is provided with a direct output end, and the meat grinder is also provided with output ends which are respectively connected with the chopping mixer and the bone paste mill in a one-to-one correspondence manner; The premixing storage mechanism is respectively communicated and connected with the direct output end part of the meat grinder, the output end part of the chopping mixer and the output end part of the bone paste mill; the vacuum stirring mechanism is communicated with the downstream position of the premixing storage mechanism; And the forming mechanism is communicated with the downstream position of the vacuum stirring mechanism.
2. The automated pretreatment system based on a pet food processing line according to claim 1, wherein, The premixing storage mechanism is respectively communicated and connected with the direct output end part of the meat grinder, the output end part of the chopping mixer and the output end part of the bone paste mill through an integrated conveying pipe body; The input end part of the vacuum stirring mechanism is communicated with the downstream position of the premixing storage mechanism through the integrated conveying pipe body; the input end part of the forming mechanism is communicated with the downstream position of the vacuum stirring mechanism through the integrated conveying pipe body; the integrated conveying pipe body is arranged in an elevated mode based on the specific space; And the integrated conveying pipe body is provided with a double-screw pump and a negative pressure suction pump.
3. The automated pretreatment system based on a pet food processing line according to claim 2, wherein, The forming mechanism comprises an extrusion forming unit and a roller forming unit; The extrusion molding unit and the roller molding unit are respectively communicated with the downstream position of the vacuum stirring mechanism through the integrated conveying pipe body.
4. An automated pretreatment process based on an automated pretreatment system of pet food processing line according to any of claims 1-3, characterized in that said process comprises in particular the following steps: naturally thawing frozen raw materials, unpacking and fully detecting; Conveying specific raw materials in a classified manner, and differentially cooking and curing by steam; Sequentially conveying the untreated raw materials and the cooled cured raw materials to a mincing, chopping and grinding assembly; Differential mincing according to the type of meat material; Deep chopping or grinding is carried out aiming at specific meat raw material types; Quantitatively premixing and caching a plurality of meat raw materials; Mixing the materials and the auxiliary materials further on the basis of a vacuum environment; and carrying out diversified molding on the mixed materials through a molding mechanism.
5. The automated pretreatment process based on a pet food processing line according to claim 4, wherein, The classification conveying specific raw materials and differential cooking and curing by steam specifically comprises the following steps: Classifying the unfrozen and fully inspected meat raw materials according to types; the classification types of meat raw materials comprise 10% of first-type meat raw materials, 10% of second-type bone-in meat raw materials and 80% of third-type conventional meat raw materials; The first meat raw material accounting for 10 percent of the total amount is sent into a steaming mechanism through a conveying component, the steaming mechanism adopts a steam heating mode to steam the first meat raw material, the steam temperature and the steaming time are accurately controlled according to preset parameters of the process, the raw material is ensured to be well cooked and the nutritional ingredients are reserved, and then the first meat raw material is taken out of a box and is rapidly cooled; the bone-in meat material accounting for 10 percent of the total amount and the conventional meat material accounting for 80 percent of the total amount are not steamed; the raw materials and the cooled cured raw materials are sequentially conveyed to the mincing, chopping and grinding assembly, and the method specifically comprises the following steps: After the steamed first meat raw materials are rapidly cooled to a preset temperature, the steamed first meat raw materials, the second meat raw materials with bones and the third conventional meat raw materials are respectively and automatically conveyed through corresponding spiral lifting mechanisms, the spiral lifting mechanisms stably run according to a preset conveying speed, various meat raw materials are accurately conveyed into the input end part of the meat grinder of the mincing, chopping and grinding assembly in sequence, and automatic conveying of the raw materials is completed.
6. The automated pretreatment process based on pet food processing production line according to claim 5, wherein, The sorting conveying specific raw materials, and differentially cooking and curing by steam, and specifically further comprises: The meat material proportion regulation and control framework is constructed to execute the processes of meat material proportion identification and density difference correction aiming at the weighed meat materials, and the concrete process is as follows: Presetting a total volume V of a single addition amount of meat materials and a target volume proportion parameter between muscle tissues and adipose tissues according to production requirements, obtaining a target volume proportion parameter of the muscle tissues and the adipose tissues as V 1 ：V 2 , further respectively calculating a target weighing M 1 of the muscle tissues and a target weighing M 2 of the adipose tissues according to standard density values of the muscle tissues and the adipose tissues and a density formula m=ρ×V, and calculating a target total weighing M; Weighing meat materials with the weight of M, carrying out spectrum scanning on the current meat materials based on a near infrared spectrum detection module in a meat material proportion regulation and control framework to obtain spectrum characteristic data of the meat materials, wherein the spectrum characteristic data comprises but is not limited to characteristic absorption peak wavelength and absorbance value parameters, comparing and matching the obtained spectrum characteristic data with a preset muscle tissue and fat tissue spectrum database, and comparing and obtaining an actual volume ratio value V 3 ：V 4 of muscle tissue and fat tissue in the total volume V of the current meat materials through the muscle tissue and fat tissue spectrum characteristic parameters of the meat materials; According to the total mass parameter M of the current meat material, combining the identified actual volume ratio value V 3 ：V 4 of the muscle tissue and the adipose tissue and the respective actual density values of the muscle tissue and the adipose tissue material, further calculating to obtain the mass M 3 of the muscle tissue and the mass M 4 of the adipose tissue in the current meat material through a density formula m=ρ×V, so as to serve as the actual mass of the muscle tissue and the adipose tissue material; Therefore, a difference value M 5 between the current muscle tissue mass M 3 and the muscle tissue target weight M 1 and a difference value M 6 between the current adipose tissue mass M 4 and the adipose tissue target weight M 2 are calculated, corresponding mass increase and decrease are further carried out on the muscle tissue and the adipose tissue based on the difference value M 5 and the difference value M 6 respectively, the burdening volume deviation caused by density difference is avoided, and then the weighed meat materials after the muscle tissue and adipose tissue proportion identification and correction are conveyed to the subsequent process.
7. The automated pretreatment process based on pet food processing production line according to claim 5, wherein, The differential mincing treatment according to the type of the received meat raw material specifically comprises the following steps: The meat grinder receives various meat raw materials from the spiral lifting mechanism respectively, adjusts the rotating speed and aperture parameters of a cutter head according to different meat raw material types, and carries out preliminary mincing treatment on the meat raw materials; Wherein, the first meat raw material is minced by a meat grinder and then is sent into a chopper through a corresponding output end part by a conveying pipeline; mincing the second kind of meat raw materials with bones by a meat mincer, and then pumping the minced meat into a bone paste mill by a double screw pump; the deep chopping or grinding processing is carried out aiming at specific meat raw material types, and specifically comprises the following steps: the chopping machine receives the minced first-class meat raw materials, further chops the first-class meat raw materials according to preset chopping speed and time parameters, and processes the first-class meat raw materials into fine and uniform meat emulsion; the bone paste mill receives the minced second-class bone-meat raw materials, and grinds the ground second-class bone-meat raw materials into bone-meat fully-fused meat paste through the grinding component, so that the utilization rate of the meat raw materials and the suitability of mixing are improved; The two kinds of deeply processed meat raw materials are connected into an integrated conveying pipe body through an output pipeline.
8. The automated pretreatment process based on pet food processing production line according to claim 7, wherein, The quantitative premixing and caching of the meat raw materials comprises the following steps: Starting a double-screw pump and a negative pressure suction pump through an integrated conveying pipe body to generate stable conveying power, and synchronously conveying third-type meat raw materials directly output by a meat grinder, meat paste output by a meat paste chopper and meat paste output by a bone paste mill to a premixing storage mechanism according to a process preset proportion; The weighing assembly in the premixing storage mechanism accurately measures the consumption of various materials in real time, ensures that the proportion meets the requirement, and simultaneously the stirring assembly continuously runs at a low speed to prevent layering phenomenon of meat materials in the caching process.
9. The automated pretreatment process based on pet food processing production line according to claim 8, wherein, The vacuum environment-based material and auxiliary materials are further mixed, and the vacuum environment-based material and auxiliary materials specifically comprise: After the premixing cache is finished, the mixed meat materials are automatically fed into a vacuum stirring mechanism by the integrated conveying pipe body, and meanwhile, powder/liquid auxiliary materials synchronously enter the vacuum stirring mechanism through a conveying pipeline according to the process proportion; The vacuum stirring mechanism is vacuumized to form a closed vacuum environment, then the stirring assembly is started, the rotating speed and the stirring time of the stirring paddle are adjusted according to the characteristics of materials, meat materials and auxiliary materials are fully mixed, the materials are prevented from being oxidized and deteriorated and bubble generation is ensured, and the quality of the mixed materials is ensured to be uniform; the utility model discloses a mix material through forming mechanism carries out diversified shaping, specifically includes: The extrusion molding machine unit is used for replacing corresponding dies according to the shape of a preset product, adjusting extrusion pressure and speed parameters and extruding the materials into the preset shape, and the roller molding machine unit is used for processing the materials into meat patties with different shapes by adjusting the rotating speed of the roller and replacing the dies, so that the diversified production requirements of pet food products are met.
10. The automated pretreatment process based on a pet food processing line according to claim 9, further comprising the steps of: in the whole shaping material transportation process, for the integrative conveyer pipe body of adaptation in the viscous medium in-process such as conveying meat emulsion, meat sauce because of the sky area that the material clearance formed, through pressure sensing monitoring and multi-module cooperation, realize the closed-loop management of sky area real-time supervision and conveying dynamic regulation and control, specifically include: A pressure sensor array and a switch valve body positioned at the downstream of the pressure sensor array are axially arranged along the integrated conveying pipe body, and the switch valve body is correspondingly positioned at the opening position of the side wall of the integrated conveying pipe body; Simultaneously, respectively installing a flow sensor and a high-frequency ultrasonic sensor in parallel with the pressure sensor, wherein the flow sensor is used for monitoring the material conveying speed in the pipeline and the material flow in the pipeline in real time, and the high-frequency ultrasonic sensor is used for collecting interface reflection signals of the material and the air; establishing a reference pressure curve of the conveying pipeline in a full material state, wherein the pressure fluctuation range of the reference pressure curve is controlled within +/-0.02 MPa, and the reference pressure curve is used as a reference standard for judging a hollow zone; when a certain pressure sensor monitors that the pressure drop amplitude is not less than 0.1MPa and the duration is not less than 50ms, and meanwhile, the pressure monitored by the pressure sensor adjacent to the pressure sensor has no obvious change, the interface reflection signal of the ultrasonic sensor is combined, and the occurrence of a hollow area at the position is judged; Further through the coupling calculation mode of sensor time difference cooperation pipeline velocity of flow, accurate location hollow area's specific position, specific process does: Collecting the material conveying speed v and the flow Q in the pipeline in real time through a flow sensor, when the pressure sensor A monitors the sudden pressure drop at first and monitors the pressure rise again after the interval delta t, calculating the length L= (Q multiplied by delta t)/S of the hollow area, wherein S is the sectional area of the pipeline; Based on the movement speed v of the hollow area consistent with the material conveying speed, the node time t= (x 2 -x 1 )/v of the hollow area reaching the downstream switch valve body is prejudged, wherein x 2 is the position coordinate of the node of the downstream switch valve body, and x 1 is the current position coordinate of the hollow area; The flow sensor, the high-frequency ultrasonic sensor and the pressure sensor are respectively connected to the control input end part of the electric control module, and the control output end part of the electric control module is connected with the switch valve body through a circuit to complete integral automatic cooperative control; The control output end of the electric control module is also connected with the double-screw pump and/or the spiral elevator through a circuit, and when the starting end of the hollow area is shifted to the position of the switch valve body to start pressure release, the rotating speed of the double-screw pump and/or the spiral elevator is synchronously adjusted according to the regulating instruction, so that the material conveying quantity of the hollow area is enhanced from the upstream, and the pushing action on the downstream material section of the hollow area is reduced through the pressure release action; After the rotating speed is regulated and controlled by the double-screw pump and/or the spiral elevator, the upstream material conveying speed value increased on the basis of the original displacement speed is not smaller than the displacement speed value of the hollow area.

Description

Automatic pretreatment system and process based on pet food processing production line Technical Field The invention relates to the technical field of automatic pretreatment of pet food products, in particular to an automatic pretreatment system and an automatic pretreatment process based on a pet food processing production line. Background With the rapid development of the pet food industry, the pet food has the advantages of better keeping the nutrition components of raw materials, long shelf life and the like, and the market demand is continuously increased. Currently, in the production flow of pet food products, the pretreatment process is a key link for guaranteeing the final quality, taste and production efficiency of the products, and can directly influence the development of the follow-up pet food process and the market competitiveness of the products, so that the high-quality pretreatment process gradually becomes a core requirement in the industry. In the prior art, most enterprises in the industry still adopt the traditional manual operation mode in the pet food pretreatment stage. In the mode, all links from thawing of frozen raw materials, removing and trimming of foreign matters, mincing, mixing, forming and the like of meat materials still depend on manual participation, so that the current pretreatment process, particularly the conveying process, is low in overall efficiency, is difficult to meet the requirement of large-scale production, and meanwhile, the material treatment effect is differentiated due to uncertainty of manual operation, so that the quality stability of products is obviously influenced, foreign pollutants are easily introduced in the process of manually contacting the materials, potential food safety hazards exist, and the production cost is further increased. Disclosure of Invention Therefore, the invention provides an automatic pretreatment system and process based on a pet food processing production line, which are used for solving the technical problems of low operation efficiency, low automation degree, poor quality stability and hidden food safety hazards existing in the prior art aiming at the pet food product pretreatment process. In order to achieve the above object, the present invention provides the following technical solutions: An automated pretreatment system based on a pet food processing production line, comprising: the mincing, chopping and grinding assembly comprises a meat grinder, a chopping and grinding machine and a bone paste mill; The meat grinder is provided with a direct output end, and the meat grinder is also provided with output ends which are respectively connected with the chopping mixer and the bone paste mill in a one-to-one correspondence manner; The premixing storage mechanism is respectively communicated and connected with the direct output end part of the meat grinder, the output end part of the chopping mixer and the output end part of the bone paste mill; the vacuum stirring mechanism is communicated with the downstream position of the premixing storage mechanism; And the forming mechanism is communicated with the downstream position of the vacuum stirring mechanism. On the basis of the technical scheme, the invention is further described as follows: As a further aspect of the present invention, The premixing storage mechanism is respectively communicated and connected with the direct output end part of the meat grinder, the output end part of the chopping mixer and the output end part of the bone paste mill through an integrated conveying pipe body; The input end part of the vacuum stirring mechanism is communicated with the position at the downstream of the premixing storage mechanism through the integrated conveying pipe body, and the input end part of the forming mechanism is communicated with the position at the downstream of the vacuum stirring mechanism through the integrated conveying pipe body. The integrated conveying pipe body is arranged in an elevated mode based on the specific space; And the integrated conveying pipe body is provided with a double-screw pump and a negative pressure suction pump. As a further aspect of the present invention, The forming mechanism comprises an extrusion forming unit and a roller forming unit; The extrusion molding unit and the roller molding unit are respectively communicated with the downstream position of the vacuum stirring mechanism through the integrated conveying pipe body. An automatic pretreatment process of an automatic pretreatment system based on a pet food processing production line comprises the following steps: naturally thawing frozen raw materials, unpacking and fully detecting; Conveying specific raw materials in a classified manner, and differentially cooking and curing by steam; Sequentially conveying the untreated raw materials and the cooled cured raw materials to a mincing, chopping and grinding assembly; Differential mincing according to the type of meat material; De