CN-121973476-A - Automatic pultrusion production line for carding machine cover plate

CN121973476ACN 121973476 ACN121973476 ACN 121973476ACN-121973476-A

Abstract

The invention provides an automatic pultrusion production line of a carding machine cover plate, which relates to the technical field of carding machines and comprises a creel, a gum dipping tank, a braiding machine, a preforming die, a heating forming curing die, a crawler tractor, fixed-length cutting equipment and a numerical control machining center which are sequentially arranged along the running direction of a fiber bundle, and also comprises a central control system, wherein a deviation correcting device is arranged on the preforming die, the heating forming curing die is provided with a plurality of sections of independent temperature control areas, the numerical control machining center is in seamless connection with the fixed-length cutting equipment, the central control system is in electric connection with the running of each equipment, and the central control system is used for coordinating the running of each equipment. The deviation correcting device arranged on the preforming die can correct the deviation phenomenon of fibers in production in real time, ensure the accuracy of the section shape of the preforming body, realize seamless connection between the numerical control machining center and the fixed-length cutting equipment, avoid positioning errors caused by secondary clamping, obviously improve the final precision of a cover plate finished product and meet the high-precision assembly requirement of the carding machine.

Inventors

ZHU YONGFEI
JIA KUN
YI YUNZHI
NI JINGDA
Zhuang hengfei

Assignees

经纬纺织机械股份有限公司
江苏高路复合材料有限公司

Dates

Publication Date: 20260505
Application Date: 20260226

Claims (10)

1. The automatic pultrusion production line of the carding machine cover plate is characterized by comprising a creel (1), a gum dipping tank (2), a braiding machine (3), a preforming die (4), a heating forming curing die (5), a crawler tractor (6), fixed-length cutting equipment (7) and a numerical control machining center (8) which are sequentially arranged along the running direction of a fiber bundle, and further comprising a central control system, wherein a deviation correcting device is arranged on the preforming die (4), the heating forming curing die (5) is provided with a multi-section independent temperature control area, the numerical control machining center (8) is in seamless connection with the fixed-length cutting equipment (7), the central control system is electrically connected with the running of each equipment, and the central control system is used for coordinating the running of each equipment.
2. The automatic pultrusion production line of the carding machine cover plate according to claim 1, characterized in that the creel (1) is of an active yarn-releasing structure, a tensioner is arranged on the creel (1), the creel (1) is used for placing and guiding a plurality of rolls of dry fiber bundles, an outlet of the creel (1) is connected with an inlet of a dipping tank (2), the dipping tank (2) is made of stainless steel, a heating jacket is arranged in the dipping tank (2), the resin temperature of the dipping tank (2) is 35+/-2 ℃, and an outlet of the dipping tank (2) is connected with a braiding machine (3).
3. The automatic pultrusion production line of the carding machine cover plate according to claim 1, wherein the crawler-type tractor (6) is arranged at the outlet end of the heating forming curing die (5), the crawler-type tractor (6) is used for providing constant and continuous traction force, an auxiliary tractor (9) is further arranged between the fixed-length cutting equipment (7) and the numerical control machining center (8), the auxiliary tractor (9) is used for clamping a cut cover plate semi-finished product, and the auxiliary tractor (9) is electrically connected with the central control system.
4. The automatic pultrusion production line of the carding machine cover plate is characterized in that a central control system comprises a multi-source data acquisition unit, a central cooperative scheduling unit and a terminal execution control unit, wherein the multi-source data acquisition unit is deployed at a creel outlet, each area of a heating forming curing die, a clamping end of a crawler-type tractor and a preformed die outlet, fiber tension, die temperature, traction and preformed die section parameters are acquired in real time, the central cooperative scheduling unit performs multi-parameter coupling analysis on acquired data to generate equipment cooperative instructions, and the terminal execution control unit is used for accurately executing the control instructions to a deviation correcting device, a temperature control system and a traction mechanism to construct a full-flow closed-loop control foundation.
5. The automatic pultrusion production line of the carding machine cover plate, which is disclosed by claim 4, is characterized in that a deviation correcting device of a preformed mold is integrated with a deviation correcting control unit, the deviation correcting control unit comprises a machine vision detection subunit, a deviation calculating subunit and an executing subunit, the machine vision detection subunit acquires an edge image of a preformed body through an industrial camera and an annular light source and extracts outline features, the deviation calculating subunit adopts a visual servo closed-loop PID and dead zone self-adaptive algorithm to compare the outline features with a standard template output position deviation value, the executing subunit dynamically adjusts the position of the preformed body through a pneumatic deviation correcting roller set, the deviation correcting response time is less than or equal to 50ms, and the deviation error is less than or equal to 0.01mm.
6. The automatic pultrusion production line of the carding machine cover plate, which is disclosed by claim 5, is characterized in that the temperature self-adaptive control unit of the heating forming curing die comprises a partition temperature measuring subunit, a thermal reaction model subunit and an accurate adjustment subunit, wherein the partition temperature measuring subunit is used for independently measuring the temperature of a preheating section, a gel section, a curing section and a post-curing section through thermocouples, the acquisition precision is +/-0.3 ℃, the thermal reaction model subunit dynamically generates a temperature gradient curve based on resin types and real-time temperature data, and the accurate adjustment subunit is used for adjusting the temperature of each area according to the curve through an electric heating or oil heating system, so that the curing uniformity of the resin is ensured.
7. The automatic pultrusion production line of the carding machine cover plate, which is disclosed by claim 4, is characterized in that the main and auxiliary traction cooperative control units are electrically connected with the crawler-type traction machine and the auxiliary traction machine, and comprise a synchronous control subunit, a switching control subunit and a positioning subunit, wherein the synchronous control subunit enables the main and auxiliary traction machines to keep the same linear speed to stabilize profile tension before cutting through a multi-motor synchronous technology, the switching control subunit triggers the continuous operation of the main traction machine and the mode switching of the independent clamping of the auxiliary traction machine during cutting, and the positioning subunit provides a +/-0.02 mm level positioning reference for a numerical control machining center through the auxiliary traction machine clamping end face positioning mechanism.
8. The automatic pultrusion production line of the carding machine cover plate, which is disclosed by claim 7, is characterized in that the numerical control machining center integrates a machining path self-adaptation unit, and comprises a three-dimensional scanning subunit, a deviation comparison subunit and a path generation subunit, wherein the three-dimensional scanning subunit acquires actual geometric parameters of a cut semi-finished product through a laser scanner, the deviation comparison subunit compares the actual parameters with a design model to extract shape and position deviation, and the path generation subunit automatically generates a compensation machining path based on deviation data and an auxiliary tractor positioning reference to finish machining of a mounting hole and a groove at one time and avoid secondary clamping errors.
9. The automatic pultrusion production line of the carding machine cover plate, which is disclosed by claim 4, is characterized by further comprising a quality tracing and optimizing unit, wherein the quality tracing and optimizing unit is linked with the multi-source data acquisition unit and the central cooperative scheduling unit and comprises an online detection subunit, a data storage subunit and a parameter optimizing subunit, the online detection subunit detects the dimensional accuracy, the surface flatness and the internal compactness of the finished product cover plate, the data storage subunit records the whole-flow operation parameters and detection results of each batch and establishes a product quality database, and the parameter optimizing subunit optimizes the fiber tension set value, the die temperature curve and the traction speed parameter through a reinforcement learning algorithm based on database data so as to realize continuous improvement of the product quality.
10. The automatic pultrusion production line of the carding machine cover plate, which is disclosed by claim 4, is characterized in that the central cooperative scheduling unit integrates a device linkage control module and comprises a task scheduling subunit, a communication subunit and a state monitoring subunit, wherein the task scheduling subunit issues cooperative instructions according to a production flow, the communication subunit adopts a communication protocol fused by a programmable logic controller and an industrial Internet of things, the data interaction delay between devices is less than or equal to 100ms, the state monitoring subunit displays the running state of the devices in real time, and when abnormality is detected, the state monitoring subunit automatically triggers shutdown early warning and pushes fault positioning information, so that the production continuity is ensured.

Description

Automatic pultrusion production line for carding machine cover plate Technical Field The invention relates to the technical field of carding machines, in particular to an automatic pultrusion production line of a carding machine cover plate. Background The cover plate of the carding machine is a key core component of the carding machine, is made of a continuous fiber reinforced resin matrix composite material through a forming process, is mainly a large-size and high-dimensional curved surface structural member, is mainly used for the fiber carding and carding processes of the carding machine, has structural precision and performance stability which directly influence the uniformity of fiber carding and the final quality of cotton spinning products, and is one of core components for guaranteeing the efficient operation of the carding machine. The existing carding machine cover plate has the following problems that firstly, machining precision and assembly matching degree are insufficient, fibers are easy to deviate in production, secondary clamping processing is needed after cutting, positioning errors are easy to generate, high-precision assembly requirements are difficult to meet, secondly, automation and intelligence are low, production equipment is independently operated, key links such as fiber tension adjustment and die temperature control depend on manual intervention, real-time parameter optimization cannot be achieved, finally, the internal quality and consistency of a composite structure are poor, resin curing is uneven due to insufficient temperature control precision of a curing die, bubbles and redundant resin are difficult to thoroughly eliminate in a pre-forming stage, and stability of mechanical properties of products is poor. Disclosure of Invention The invention provides an automatic pultrusion production line of carding machine cover plates, which aims to solve at least one problem in the background technology. The invention discloses an automatic pultrusion production line of a carding machine cover plate, which comprises a creel, a gum dipping tank, a braiding machine, a preforming die, a heating forming curing die, a crawler tractor, fixed-length cutting equipment and a numerical control machining center which are sequentially arranged along the running direction of a fiber bundle, and also comprises a central control system, wherein a deviation correcting device is arranged on the preforming die, the heating forming curing die is provided with a plurality of sections of independent temperature control areas, the numerical control machining center is in seamless connection with the fixed-length cutting equipment, the central control system is in electric connection with the running of each equipment, and the central control system is used for coordinating the running of each equipment. Preferably, the creel is an active yarn-releasing structure, a tensioner is arranged on the creel, the creel is used for placing and guiding a plurality of rolls of dry fiber bundles, an outlet of the creel is connected with an inlet of a dipping tank, the dipping tank is made of stainless steel, a heating sleeve is arranged in the dipping tank, the resin temperature of the dipping tank is 35+/-2 ℃, and an outlet of the dipping tank is connected with a braiding machine. The crawler-type tractor is arranged at the outlet end of the heating forming curing die and is used for providing constant and continuous traction force, and an auxiliary tractor is further arranged between the fixed-length cutting equipment and the numerical control machining center and is used for clamping the cut cover plate semi-finished product and is electrically connected with the central control system. The central control system comprises a multi-source data acquisition unit, a central cooperative scheduling unit and a terminal execution control unit, wherein the multi-source data acquisition unit is deployed at a creel outlet, each region of a heating forming curing die, a crawler tractor clamping end and a preforming die outlet and acquires fiber tension, die temperature, traction and preforming section parameters in real time, the central cooperative scheduling unit performs multi-parameter coupling analysis on acquired data to generate equipment cooperative instructions, and the terminal execution control unit is used for accurately executing control instructions to construct a full-flow closed-loop control foundation. The deviation correcting device of the preformed mold is integrated with a deviation correcting control unit and comprises a machine vision detection subunit, a deviation calculating subunit and an executing subunit, wherein the machine vision detection subunit acquires an edge image of the preformed mold and extracts outline features through an industrial camera and an annular light source, the deviation calculating subunit adopts a vision servo closed loop PID and dead zone self-adaptive algorithm to compare