CN-117599932-B - Multistage fish paste grinder

CN117599932BCN 117599932 BCN117599932 BCN 117599932BCN-117599932-B

Abstract

The application discloses a multistage fish paste grinding device, which relates to the technical field of fish paste processing equipment and comprises a plurality of grinding equipment and a plurality of conveying equipment, wherein the conveying equipment comprises a driving piece, a rotating shaft, a spiral blade and a conveying pipe, the conveying pipe is obliquely arranged, a conveying channel is formed in the conveying pipe, the rotating shaft is positioned in the conveying channel and is rotationally connected with the conveying pipe, the spiral blade is arranged on the rotating shaft, the driving piece can drive the rotating shaft to rotate, the spiral blade can drive raw materials to move through rotation, a plurality of draining holes are formed in the spiral blade, a water collecting frame is further arranged at the oblique lower end of the conveying pipe, a water collecting groove is formed in the water collecting frame, and the water collecting groove is communicated with the conveying channel. The application can reduce the influence of higher water content of frozen raw materials on transportation equipment, and can improve the grinding efficiency of fish paste and the quality of final fish paste products.

Inventors

LIU JUNWEI
CHEN QINGTANG
CHEN JIACHENG
ZHANG JIAONAN
HU BING
Huang Yangteng
SU JIANMING
WANG HEWEI
LIN YIJIN
HE YINGXIA

Assignees

福建天马科技集团股份有限公司

Dates

Publication Date: 20260505
Application Date: 20231218

Claims (5)

1. The multi-stage fish paste grinding device comprises a plurality of grinding equipment (1) and a plurality of conveying equipment (2), wherein the conveying equipment (2) is respectively communicated with the two grinding equipment (1), the grinding precision of the plurality of grinding equipment (1) along the conveying direction is gradually improved, the conveying equipment (2) comprises a driving piece (7), a rotating shaft (5), a spiral blade (6) and a conveying pipe (4), and is characterized in that the conveying pipe (4) is obliquely arranged, a conveying channel (41) is formed in the conveying pipe (4), the rotating shaft (5) is positioned in the conveying channel (41) and is in rotary connection with the conveying pipe (4), the rotation axis of the rotating shaft (5) is parallel to the conveying direction of the conveying pipe (4), the spiral blade (6) is arranged on the rotating shaft (5) and is in contact with the inner wall of the conveying channel (41), and the driving piece (7) is arranged on the conveying pipe (4) and can drive the rotating shaft (5) to rotate along with the spiral blade (6) in an inclined mode, and the spiral blade (6) can move upwards along the conveying channel (41); a plurality of draining holes (61) for draining water are formed in the spiral blades (6), a water collecting frame (8) is further arranged at the inclined lower end of the conveying pipe (4), the water collecting frame (8) is detachably connected with the conveying pipe (4), a water collecting tank (81) is arranged in the water collecting frame (8), and the water collecting tank (81) is communicated with the inclined lower end of the conveying channel (41); The outer edge of the spiral blade (6) is provided with a plurality of abdication grooves (62), the abdication grooves (62) penetrate through the spiral blade (6) along the direction perpendicular to the rotating shaft (5) of the rotating shaft (5), and the abdication grooves (62) can be used for supplying water to pass through; The bottom of the conveying pipe (4) in the conveying channel (41) is provided with a plurality of first protruding blocks (46), the first protruding blocks (46) are matched with the abdication grooves (62), and when the spiral blades (6) rotate along with the rotating shaft (5), the first protruding blocks (46) can penetrate through the corresponding abdication grooves (62); One end of the first lug (46) opposite to the rotation direction of the rotation shaft (5) is provided with a second cutting edge (102), and one end of the first lug (46) close to the inclined lower end of the conveying pipe (4) is provided with a third cutting edge (103); The transportation pipe (4) is provided with a water collecting channel (45) below the transportation channel (41), the transportation pipe (4) is provided with a plurality of water collecting holes (44) used for communicating the transportation channel (41) and the water collecting channel (45), and the water collecting channel (45) is communicated with the water collecting tank (81); the device further comprises a plurality of elastic pieces (9), wherein the first protruding blocks (46) are movably connected with the conveying pipe (4), two ends of each elastic piece (9) are respectively connected with the first protruding blocks (46) and the conveying pipe (4), and the elastic pieces (9) drive the first protruding blocks (46) to be exposed in the conveying channel (41); The first protruding block (46) is partially located in the water collecting channel (45), a plurality of plugs (461) are arranged at one end of the water collecting channel (45) of the first protruding block (46), the plugs (461) are matched with the water collecting holes (44), and the elastic piece (9) drives the plugs (461) to plug the water collecting holes (44).
2. A multi-stage fish paste grinding device according to claim 1, characterized in that the surface of the helical blade (6) has first blades (101) for cutting the stock on both sides of the relief groove (62).
3. The multi-stage fish paste grinding device according to claim 1, wherein the conveying pipe (4) is further provided with a plurality of second protruding blocks (47) on the inner wall of the conveying channel (41), the second protruding blocks (47) are matched with the yielding grooves (62), when the spiral blades (6) rotate along with the rotating shaft (5), the second protruding blocks (47) can penetrate through the corresponding yielding grooves (62), and both ends of the second protruding blocks (47) along the rotating direction of the rotating shaft (5) are provided with fourth cutting edges (104).
4. A multi-stage fish paste grinding device according to claim 1, characterized in that the surface of the helical blade (6) is further provided with a plurality of cutting members (63), and the end of the cutting member (63) contacting the raw material in the rotation direction of the rotation shaft (5) is provided with a fifth blade (105).
5. A multi-stage fish slurry grinding device according to claim 4, characterized in that the end of the cutting member (63) adjacent to the rotation shaft (5) has a sixth blade (106).

Description

Multistage fish paste grinder Technical Field The application relates to the technical field of fish paste processing equipment, in particular to a multi-stage fish paste grinding device. Background Fish paste, which is usually a pasty paste prepared by grinding fish as a main raw material, is often used as a binder for producing pellet feed and is also a source of protein in the feed. The operation method of the multi-stage fish paste grinding device comprises the following steps: the frozen raw materials (namely fish) are put into crushing equipment for preliminary crushing, the frozen raw materials after preliminary crushing are sent to next crushing equipment for secondary crushing through conveying equipment, the frozen raw materials are crushed for multiple times through the circulation, and the crushing precision of the crushing equipment is gradually improved until the frozen raw materials are crushed to the required fineness. In the prior art, the above-mentioned transportation device generally adopts a screw conveyor (i.e. auger) comprising a driving member, a rotating shaft, a helical blade and a transportation pipe, wherein the driving member drives the rotating shaft to rotate so as to drive the helical blade to rotate in the transportation pipe, thereby driving the crushed frozen product raw material entering the transportation pipe to move along the transportation pipe. In order to reduce the occupation space of the multi-stage fish paste grinding device, the feeding direction of the conveying equipment is inclined upwards, and the corresponding grinding equipment is arranged below the discharge hole of the conveying equipment and above the feed hole of the next conveying equipment. However, due to the fact that the water content of frozen raw materials is high, the surfaces of the spiral blades and the inner wall of the conveying pipe are wet, friction force between the crushed frozen raw materials and the surfaces of the spiral blades and friction force between the crushed frozen raw materials and the inner wall of the conveying pipe are reduced, efficiency of conveying the crushed frozen raw materials by conveying equipment is further affected, the crushed frozen raw materials are easily adhered to the surfaces of the spiral blades and the inner wall of the conveying pipe, meanwhile, bacteria are easily bred after water remained in the conveying equipment is contacted with the crushed frozen raw materials, quality of other crushed frozen raw materials is affected, and quality of a final fish paste product is further affected. Disclosure of Invention The application provides a multistage fish paste grinding device which can reduce the influence of high water content of frozen raw materials on transportation equipment and can improve the grinding efficiency of fish paste and the quality of final fish paste products. The application provides a multistage fish paste grinding device, which adopts the following technical scheme: The multi-stage fish paste grinding device comprises a plurality of grinding devices and a plurality of conveying devices, wherein the conveying devices are respectively connected and communicated with the two grinding devices, and the grinding precision of the plurality of grinding devices along the conveying direction is gradually improved; the conveying equipment comprises a driving piece, a rotating shaft, a helical blade and a conveying pipe, wherein the conveying pipe is obliquely arranged, a conveying channel is formed in the conveying pipe, the rotating shaft is positioned in the conveying channel and is rotationally connected with the conveying pipe, the rotating axis of the rotating shaft is parallel to the conveying direction of the conveying pipe, the helical blade is arranged on the rotating shaft and is in contact with and propped against the inner wall of the conveying channel, the driving piece is arranged on the conveying pipe and can drive the rotating shaft to rotate, and the helical blade can drive raw materials to move obliquely upwards along the conveying channel along with the rotation of the rotating shaft; the spiral blade is provided with a plurality of draining holes for water to drain out, the inclined lower end of the conveying pipe is further provided with a water collecting frame, the water collecting frame is detachably connected with the conveying pipe, a water collecting tank is arranged in the water collecting frame, and the water collecting tank is communicated with the inclined lower end of the conveying channel. Through the technical scheme, in the process of transporting the crushed raw materials by the transportation equipment, the water can be drained out through the draining holes, preliminary solid-liquid separation is achieved, the water flows into the water collecting frame along the transportation channel to be collected, a user can conveniently detach the water collecting frame and then remove the water in the transportation