A cleaning process for processing collagen sausage casings

Abstract

This invention discloses a cleaning process for processing collagen casings, employing a cleaning device to clean livestock hides (cow or pig hides). The cleaning device is equipped with an upper rubbing plate with spray nozzles and rubbing strips on its bottom surface, and a lower rubbing plate with spray nozzles and rubbing strips on its top surface. The livestock hide is stretched flat between the upper and lower rubbing plates. Cleaning solution is sprayed onto the livestock hide through the spray nozzles on the bottom and top surfaces of the upper and lower rubbing plates. During the spraying process, the livestock hide is rubbed by the rubbing strips on the bottom and top surfaces of the upper and lower rubbing plates. This invention effectively cleans livestock hides and rubs them during cleaning, improving the efficiency and effectiveness of cleaning and thus enhancing the quality of collagen casings.

Description

Technical Field

[0001] This invention relates to a cleaning process for processing collagen sausage casings. Background Technology

[0002] Collagen casings are often made from animal hides, such as cowhide or pigskin. During the processing of collagen casings, the animal hides need to be cleaned. Currently, when cleaning animal hides, cleaning solution is usually only sprayed onto the two sides of the hide, without rubbing the sides. The cleaning efficiency and effectiveness need to be improved. Summary of the Invention

[0003] The purpose of this invention is to provide a cleaning process for collagen casing processing, which uses a cleaning device to clean livestock hides; the livestock hides are cowhide or pigskin; the cleaning device is equipped with: a flat upper scrubbing plate with spray nozzles and rubbing strips on the bottom surface, and a flat lower scrubbing plate with spray nozzles and rubbing strips on the top surface; the livestock hide is stretched flat between the upper and lower scrubbing plates; cleaning solution is sprayed onto the livestock hide through the spray nozzles on the bottom surface of the upper scrubbing plate and the top surface of the lower scrubbing plate; and during the process of spraying the cleaning solution onto the livestock hide, the livestock hide is rubbed by the rubbing strips on the bottom surface of the upper scrubbing plate and the top surface of the lower scrubbing plate; this can improve the efficiency and effectiveness of cleaning livestock hides.

[0004] For details of the present invention, please refer to the embodiments.

[0005] The advantages and beneficial effects of this invention are as follows: It provides a cleaning process for processing collagen casings, which can clean livestock hides and rub them during the cleaning process, thereby improving the efficiency and effectiveness of cleaning livestock hides and thus improving the product quality of collagen casings.

[0006] This invention involves inserting the animal hide through a left and a right insert rod, with the left insert rod inserted at the left end and the right insert rod at the right end. The left and right insert rods are then driven to move away from each other in a left-right direction, flattening the animal hide. Simultaneously, the upper and lower washboards are driven to move vertically closer together, clamping the flattened animal hide. Therefore, this invention can efficiently and quickly flatten and clamp the animal hide, facilitating subsequent kneading.

[0007] This invention uses a left steel wire that passes around the left pulley and a right steel wire that passes around the right pulley to link the upper and lower washboards together, so that the upper and lower washboards always move in opposite directions, thereby ensuring the stable implementation of kneading livestock hides.

[0008] In this invention, the left and right springs are always in a stretched state, and the left pulley is always located to the left of the left end face of the upper and lower washers, while the right pulley is always located to the right of the right end face of the upper and lower washers; this ensures the stable implementation of the linkage between the upper and lower washers. Attached Figure Description

[0009] Figure 1 This is a schematic diagram showing the upper and lower washboards moving away from each other;

[0010] Figure 2 This is a schematic diagram showing the upper and lower washboards brought close together. Implementation

[0011] The specific embodiments of the present invention will be further described below with reference to the accompanying drawings and examples. The following examples are only used to more clearly illustrate the technical solutions of the present invention and should not be construed as limiting the scope of protection of the present invention.

[0012] The specific technical solution of this invention is as follows:

[0013] like Figure 1 and Figure 2 As shown, a cleaning process for processing collagen sausage casings involves using a cleaning device to clean livestock hides 8; the livestock hides 8 are cowhide or pigskin.

[0014] The cleaning device includes: a collection tank 11; a back plate 12 located above the back side of the collection tank 11 and vertically arranged in the left-right direction; a vertical sliding groove 2 opened on the front side of the back plate 12; an upper slider 21 and a lower slider 22 disposed in the vertical sliding groove 2 and respectively slidingly engaged with the vertical sliding groove 2; a vertical screw 23 located on the front side of the vertical sliding groove 2 and penetrating the upper slider 21 and the lower slider 22; an upper threaded through hole opened on the upper slider 21 and threadedly engaged with the screw 23; a lower threaded through hole opened on the lower slider 22 and threadedly engaged with the screw 23 and having a thread direction opposite to that of the upper threaded through hole; a first motor 24 connected to the top of the screw 23 and fixed on the front side of the back plate 12; and a motor located on the front side of the upper slider 21 and horizontally arranged in the left-right direction. The upper slide rail 31, which is located in the middle and connected to the front end of the upper slide block 21, the upper slide seat 32, which is located in front of the upper slide block 21, slides with the upper slide rail 31 and is supported by the upper slide rail 31, the upper rubbing plate 33, which is located in front of the upper slide block 21 and is fixed to the lower end of the upper slide seat 32 in the middle of its rear end, the upper rubbing plate 33, the upper rubbing strips 34, which are fixed to the bottom surface of the upper rubbing plate 33 and are evenly spaced in the left and right direction, the upper spray nozzles 35, which are evenly distributed on the bottom surface of the upper rubbing plate 33 and do not protrude from the upper rubbing strips 34, the upper supply hose 36, which is connected to the top surface of the upper rubbing plate 33, the upper infusion channel, which is opened in the upper rubbing plate 33 and connects the upper supply hose 36 to each upper spray nozzle 35, and the lower slide rail 41, which is located in front of the lower slide block 22, is flat in the left and right direction and is connected to the front end of the lower slide block 22 in the middle. The following components are included: a sliding seat 42 located in front of the lower slide block 22, slidingly engaged with and supported by the lower slide rail 41; a flat lower rubbing plate 43 located in front of the lower slide block 22 and fixedly connected to the upper end of the lower slide seat 42 at its rear center; multiple lower kneading strips 44 fixedly disposed on the top surface of the lower rubbing plate 43 and evenly spaced along the left and right direction; lower spray nozzles 45 evenly distributed on the top surface of the lower rubbing plate 43 and not protruding from the lower kneading strips 44; a lower liquid supply hose 46 externally connected to the bottom surface of the lower rubbing plate 43; a lower liquid delivery channel opened in the lower rubbing plate 43 and connecting the lower liquid supply hose 46 to each lower spray nozzle 45; a vertical lifting rod 51 fixedly connected to the top surface of the upper rubbing plate 33 at its bottom end; and a sliding sleeve 52 fitted onto the lifting rod 51, slidingly engaged with the lifting rod 51, and located above the vertical sliding groove 2. The following components are included: a connecting rod 53 that is horizontally positioned to the right and hinged at its left end to the front of the sliding sleeve 52; a drive wheel 54 that is hinged to the right end of the connecting rod 53 and vertically positioned in the left-right direction; a second motor 55 located behind the drive wheel 54, driving the drive wheel 54 to rotate, and fixed to the front of the back plate 12; a horizontal left slide groove 61 located on the front of the back plate 12, on the left side of the vertical slide groove 2, and flush with the middle of the vertical slide groove 2; a left slider 62 located in the left slide groove 61 and slidingly engaged with the left slide groove 61; a left insert rod 63 positioned in the front-back direction and fixed to the front end of the left slider 62 at its rear end; a left slide seat 64 located in the left slide groove 61 and slidingly engaged with the left slide groove 61, and also located to the left of the left slider 62; and a left pulley 65 vertically positioned in the left-right direction and rotatably connected to the front end of the left slide seat 64 at its rear end.A left steel wire rope 66 that crosses the left pulley 65 and is fixed at both ends to the left end face of the upper washboard 33 and the left end face of the lower washboard 43, respectively; a left elastic rope 67 that is fixed at both ends to the left end face of the left slider 62 and the right end face of the left slide block 64, respectively; a left spring 68 that is horizontally placed in the left slide groove 61 along the left-right direction and is fixed at both ends to the left end face of the left slide block 64 and the left end wall of the left slide groove 61, respectively; a horizontally placed right slide groove 71 that is opened on the front of the back plate 12, located on the right side of the vertical slide groove 2 and level with the middle of the vertical slide groove 2; a right slider 72 that is set in the right slide groove 71 and slides with the right slide groove 71; and a right slider 72 that is set along the front-back direction and whose rear end is connected to the right slider 72. The following components are included: a right insert rod 73 fixed to its front end; a right slide block 74 located in the right slide groove 71 and slidingly engaged with it, also situated to the right of the right slider 72; a right pulley 75 vertically positioned along the left-right direction and rotatably connected to the front end of the right slide block 74; a right wire rope 76 spanning the right pulley 75 and fixed at both ends to the right end faces of the upper and lower washboards 33 and 43 respectively; a right elastic rope 77 fixed at both ends to the right end face of the right slider 72 and the left end face of the right slide block 74 respectively; and a right spring 78 horizontally positioned in the right slide groove 71 along the left-right direction and fixed at both ends to the right end face of the right slide block 74 and the right end wall of the right slide groove 71 respectively.

[0015] The upper slider 21 and lower slider 22 are symmetrically arranged vertically; the upper slide rail 31 and lower slide rail 41 are symmetrically arranged vertically; the upper slide base 32 and lower slide base 42 are symmetrically arranged vertically; the upper rubbing plate 33 and lower rubbing plate 43 are symmetrically arranged vertically; the upper rubbing plate 33 and lower rubbing plate 43 are both located directly above the liquid collection tank 11; each upper kneading strip 34 and each lower kneading strip 44 extends in the front-back direction; each upper kneading strip 34 and each lower kneading strip 44 is an elastic strip;

[0016] The hinge position between the right end of the connecting rod 53 and the drive wheel 54 is offset from the axis of the drive wheel 54;

[0017] The left slide groove 61 and right slide groove 71 are symmetrically arranged with respect to the vertical slide groove 2; the left slider 62 and right slider 72 are symmetrically arranged left and right; the left insert rod 63 and right insert rod 73 are symmetrically arranged left and right; the left slide block 64 and right slide block 74 are symmetrically arranged left and right; the left pulley 65 and right pulley 75 are symmetrically arranged left and right; the left spring 68 and right spring 78 are symmetrically arranged left and right; the left wire rope 66 and right wire rope 76 are symmetrically arranged left and right; the left elastic rope 67 and right elastic rope 77 are symmetrically arranged left and right.

[0018] The right end of the left slide groove 61 is located to the right of the left end face of the upper washboard 33 and the left end face of the lower washboard 43; the left end of the left slide groove 61 is located to the left of the left end face of the upper washboard 33 and the left end face of the lower washboard 43; the left end of the right slide groove 71 is located to the left of the right end face of the upper washboard 33 and the right end face of the lower washboard 43; the right end of the right slide groove 71 is located to the right of the right end face of the upper washboard 33 and the right end face of the lower washboard 43; the left spring 68 is always in a stretched state; the left pulley 65 is always located to the left of the left end face of the upper washboard 33 and the left end face of the lower washboard 43; the right spring 78 is always in a stretched state; the right pulley 75 is always located to the right of the right end face of the upper washboard 33 and the right end face of the lower washboard 43.

[0019] The process of cleaning livestock hides 8 using a cleaning device includes the following steps:

[0020] The first motor 24 drives the screw 23 to rotate forward, causing the upper slider 21 and the lower slider 22 to move vertically away from each other along the vertical slide groove 2. The upper slider 21 drives the upper slide rail 31, the upper slide seat 32, and the upper washboard 33 to move upward, while the lower slider 22 drives the lower slide rail 41, the lower slide seat 42, and the lower washboard 43 to move downward, until the upper washboard 33 and the lower washboard 43 are vertically separated to a certain distance. During the process of the upper washboard 33 and the lower washboard 43 separating vertically, the upper washboard 33 and the lower washboard 43 are pulled to the right along the left slide groove 61 by the left steel wire rope 66, which pulls the left pulley 65 and the left slide seat 64. The upper washboard 33 and the lower washboard 43 pull the right pulley 75 and the right slide block 74 to the left along the right slide groove 71 via the right wire rope 76, so that the left pulley 65 and the right pulley 75 move closer to each other in the left and right direction until the left pulley 65 and the right pulley 75 are close to a certain distance; then the left slide block 62 is pushed to the right end of the left slide groove 61 and the right slide block 72 is pushed to the left end of the right slide groove 71; then the livestock hide 8 is inserted into the left insertion rod 63 and the right insertion rod 73, with the left insertion rod 63 inserted into the left end of the livestock hide 8 and the right insertion rod 73 inserted into the right end of the livestock hide 8;

[0021] Then, the first motor 24 drives the screw 23 to reverse, causing the upper slider 21 and the lower slider 22 to move closer to each other vertically along the vertical slide groove 2. The upper slider 21 drives the upper slide rail 31, the upper slide seat 32, and the upper washboard 33 to move downwards, while the lower slider 22 drives the lower slide rail 41, the lower slide seat 42, and the lower washboard 43 to move upwards, causing the upper washboard 33 and the lower washboard 43 to move closer to each other vertically. During the process of the upper washboard 33 and the lower washboard 43 moving closer to each other vertically, the left spring 68 pulls the left slide seat 64 and the left pulley 65 to the left along the left slide groove 61, and the right spring 78 pulls the right slide seat 74 and the right pulley 75 to the right along the right slide groove 71, causing the left slide seat 64 and the right slide seat 74 to move away from each other in the left and right directions. As the left and right sliding blocks 64 and 74 move away from each other in the left and right directions, the left sliding block 64 pulls the left slider 62 and the left insertion rod 63 to the left along the left slide groove 61 via the left elastic rope 67, and the right sliding block 74 pulls the right slider 72 and the right insertion rod 73 to the right along the right slide groove 71 via the right elastic rope 77, so that the left insertion rod 63 and the right insertion rod 73 move away from each other in the left and right directions; until the left insertion rod 63 and the right insertion rod 73 flatten the livestock hide 8 in the left and right directions, at which point the livestock hide 8 is placed flat between the upper rubbing board 33 and the lower rubbing board 43; and at this time, the upper rubbing strip 34 on the bottom surface of the upper rubbing board 33 is in contact with the top surface of the livestock hide 8, and the lower rubbing strip 44 on the top surface of the lower rubbing board 43 is in contact with the bottom surface of the livestock hide 8;

[0022] Then, the cleaning fluid is delivered to the upper scrubbing plate 33 through the upper supply hose 36 and to the lower scrubbing plate 43 through the lower supply hose 46; the upper spray nozzle 35 on the bottom surface of the upper scrubbing plate 33 sprays the cleaning fluid onto the top surface of the livestock hide 8, and the lower spray nozzle 45 on the top surface of the lower scrubbing plate 43 sprays the cleaning fluid onto the bottom surface of the livestock hide 8.

[0023] Furthermore, during the process of spraying cleaning liquid onto the top and bottom surfaces of the livestock hide 8, the second motor 55 drives the drive wheel 54 to rotate in both directions. The drive wheel 54 drives the lifting rod 51 to move back and forth left and right through the connecting rod 53 and the sliding sleeve 52. The lifting rod 51 drives the upper scrubbing plate 33 and the upper sliding seat 32 to move back and forth left and right along the upper sliding rail 31. When the upper scrubbing plate 33 moves to the right, it pulls the lower scrubbing plate 43 and the lower sliding seat 42 to the left along the lower sliding rail 41 through the left steel wire rope 66. When the upper scrubbing plate 33 moves to the left, it pulls the lower scrubbing plate 43 and the lower sliding seat 42 to the right along the lower sliding rail 41 through the right steel wire rope 76. Therefore, the left and right directions of the upper scrubbing plate 33 and the lower scrubbing plate 43 are always opposite. The upper rubbing strip 34 on the bottom surface of the upper scrubbing plate 33 and the lower rubbing strip 44 on the top surface of the lower scrubbing plate 43 can rub the livestock hide 8, which can improve the efficiency and effect of cleaning the livestock hide 8.

[0024] The above description is only a preferred embodiment of the present invention. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present invention, and these improvements and modifications should also be considered within the scope of protection of the present invention.

Claims

1. A cleaning process for processing collagen sausage casings, characterized in that, A cleaning device is used to clean livestock hides, which are either cowhide or pigskin. The cleaning device is equipped with an upper, flat scrubbing board with spray nozzles and scrubbing strips on the bottom and a lower, flat scrubbing board with spray nozzles and scrubbing strips on the top. The livestock hide is stretched flat between the upper and lower scrubbing boards. Cleaning solution is sprayed onto the livestock hide through the spray nozzles on the bottom and top surfaces of the upper and lower scrubbing boards. Furthermore, during the process of spraying cleaning solution onto livestock hides, the hides are rubbed by the rubbing strips on the bottom surface of the upper rubbing board and the top surface of the lower rubbing board. The cleaning device includes: a collection tank; a back plate located above the back side of the collection tank and vertically positioned in the left-right direction; a vertical sliding groove on the front side of the back plate; an upper slider and a lower slider disposed in the vertical sliding groove and respectively slidingly engaged with the vertical sliding groove; a vertical screw located in front of the vertical sliding groove and penetrating the upper slider and the lower slider; an upper threaded through hole on the upper slider that is penetrated by the screw and threadedly engaged with the screw; a lower threaded through hole on the lower slider that is penetrated by the screw, threadedly engaged with the screw, and with a thread direction opposite to that of the upper threaded through hole; a first motor connected to the top of the screw and fixed on the front side of the back plate; an upper slide rail located in front of the upper slider, horizontally positioned in the left-right direction and connected to the front end of the upper slider in the middle; an upper slide block located in front of the upper slider, slidingly engaged with the upper slide rail and supported by the upper slide rail; and a... A horizontal upper rubbing plate fixed to the lower end of the upper slide block at the front side and the middle of the rear end of the slider; multiple upper kneading strips fixed to the bottom surface of the upper rubbing plate and arranged at equal intervals in the left-right direction; upper spray nozzles evenly distributed on the bottom surface of the upper rubbing plate and not protruding from the upper kneading strips; an upper supply hose connected to the top surface of the upper rubbing plate; an upper infusion channel opened in the upper rubbing plate and connecting the upper supply hose to each upper spray nozzle; a lower slide rail located in front of the lower slider, horizontally arranged in the left-right direction and connected to the front end of the lower slider at the middle; a lower slide block located in front of the lower slider, slidingly engaged with the lower slide rail and supported by the lower slide rail; a horizontal lower rubbing plate located in front of the lower slider and fixed to the upper end of the lower slide block at the middle of the rear end of the lower slide block; multiple lower kneading strips fixed to the top surface of the lower rubbing plate and arranged at equal intervals in the left-right direction; and upper spray nozzles evenly distributed on the top surface of the lower rubbing plate and not protruding from the lower kneading strips. The system includes: a lower spray nozzle, a lower supply hose connected to the bottom surface of the lower washboard, a lower infusion channel located in the lower washboard and connecting the lower supply hose to each lower spray nozzle, a vertical lifting rod fixed to the top surface of the upper washboard at its bottom end, a sliding sleeve fitted on the lifting rod and slidingly engaged with it, located above the vertical slide groove, a connecting rod horizontally positioned in the left-right direction with its left end hinged to the front side of the sliding sleeve, a drive wheel hinged to the right end of the connecting rod and vertically positioned in the left-right direction, a second motor located behind the drive wheel, driving the drive wheel to rotate and fixed to the front of the back plate, a horizontal left slide groove located on the front of the back plate, on the left side of the vertical slide groove and level with the middle of the vertical slide groove, a left slider located in the left slide groove and slidingly engaged with it, a left insert rod positioned in the front-back direction and fixed to the front face of the left slider at its rear end, and a left insert rod located in the left slide groove. The system includes: a left slide block located to the left of the left slide block and slidingly engaging with the left slide groove; a left pulley vertically positioned in the left-right direction with its rear end rotatably connected to the front face of the left slide block; a left steel wire rope passing over the left pulley and fixed at both ends to the left end faces of the upper and lower washboards respectively; a left elastic rope fixed at both ends to the left end face of the left slide block and the right end face of the left slide block respectively; a left spring horizontally placed in the left slide groove in the left-right direction and fixed at both ends to the left end face of the left slide block and the left end wall of the left slide groove respectively; a horizontally placed right slide groove located on the front of the back plate, to the right of the vertical slide groove and level with the middle of the vertical slide groove; a right slide block located in the right slide groove and slidingly engaging with it; a right insert rod positioned in the front-back direction and fixed at its rear end to the front face of the right slide block; and a right slide block located in the right slide groove, slidingly engaging with it, and also located to the right of the right slide block.A right pulley, vertically positioned in the left-right direction and rotatably connected to the front face of the right slide block at its rear end; a right steel wire rope, passing over the right pulley and fixed at both ends to the right end faces of the upper and lower washboards respectively; a right elastic rope, fixed at both ends to the right end face of the right slider and the left end face of the right slide block respectively; a right spring, horizontally placed in the right slide groove in the left-right direction and fixed at both ends to the right end face of the right slide block and the right end wall of the right slide groove respectively; the hinge position of the right end of the connecting rod to the drive wheel is offset from the axis of the drive wheel; the right end of the left slide groove is located at the left end face of the upper and lower washboards. The left end of the left slide groove is located to the left of the left end face of the upper and lower washboards; the left end of the right slide groove is located to the left of the right end face of the upper and lower washboards; the right end of the right slide groove is located to the right of the right end face of the upper and lower washboards; the left spring is always in a stretched state; the left pulley is always located to the left of the left end face of the upper and lower washboards; the right spring is always in a stretched state; the right pulley is always located to the right of the right end face of the upper and lower washboards.

2. The cleaning process for collagen casing processing according to claim 1, characterized in that, Both the upper and lower washboards are located directly above the liquid collection tank.

3. The cleaning process for collagen casing processing according to claim 1, characterized in that, The upper and lower sliders are symmetrically arranged; the upper and lower slide rails are symmetrically arranged; the upper and lower slide blocks are symmetrically arranged; and the upper and lower washboards are symmetrically arranged.

4. The cleaning process for collagen casing processing according to claim 1, characterized in that, Each upper and lower kneading strip extends in the front-to-back direction.

5. The cleaning process for collagen casing processing according to claim 1, characterized in that, Both the upper and lower kneading strips are elastic strips.

6. The cleaning process for collagen casing processing according to claim 1, characterized in that, The left and right slide grooves are symmetrically arranged as vertical slide grooves; the left and right sliders are symmetrically arranged; the left and right insert rods are symmetrically arranged; the left and right slide blocks are symmetrically arranged; the left and right pulleys are symmetrically arranged; and the left and right springs are symmetrically arranged.

7. The cleaning process for collagen casing processing according to claim 1, characterized in that, The left and right wire ropes are symmetrically arranged.

8. The cleaning process for processing collagen casings according to claim 1, characterized in that, The left and right elastic ropes are arranged symmetrically.

9. The cleaning process for processing collagen casings according to any one of claims 1 to 8, characterized in that, The process of cleaning livestock hides using a cleaning device includes the following steps: The first motor drives the screw to rotate forward, causing the upper and lower sliders to move vertically away from each other along the vertical groove. The upper slider moves the upper slide rail, upper slide seat, and upper washboard upward, while the lower slider moves the lower slide rail, lower slide seat, and lower washboard downward, until the upper and lower washboards are vertically separated to a certain distance. During the vertical separation of the upper and lower washboards, the upper and lower washboards pull the left pulley and left slide seat to the right along the left groove via the left steel wire rope, and pull the right pulley and right slide seat to the left along the right groove via the right steel wire rope, causing the left and right pulleys to move closer to each other in the left and right directions, until the left and right pulleys are close to a certain distance. Then, the left slider is pushed to the right end of the left groove, and the right slider is pushed to the left end of the right groove. Then, the animal hide is inserted into the left and right insert rods, with the left insert rod inserted into the left end of the animal hide and the right insert rod inserted into the right end of the animal hide. Then, the first motor drives the screw to reverse, causing the upper and lower sliders to move vertically closer together along the vertical slide groove. The upper slider moves the upper slide rail, upper slide block, and upper washboard downwards, while the lower slider moves the lower slide rail, lower slide block, and lower washboard upwards, causing the upper and lower washboards to move vertically closer together. During this process, the left spring pulls the left slide block and left pulley to the left along the left slide groove, while the right spring pulls the right slide block and right pulley to the right along the right slide groove, causing the left and right slide blocks to move away from each other in the left-right direction. As the slide blocks move away from each other in the left and right directions, the left slide block pulls the left slider and left insertion rod to the left along the left slide groove via the left elastic rope, and the right slide block pulls the right slider and right insertion rod to the right along the right slide groove via the right elastic rope, so that the left and right insertion rods move away from each other in the left and right directions; until the left and right insertion rods flatten the livestock hide in the left and right directions, at which point the livestock hide is placed flat between the upper and lower washboards; and at this time, the upper kneading strip on the bottom surface of the upper washboard is in contact with the top surface of the livestock hide, and the lower kneading strip on the top surface of the lower washboard is in contact with the bottom surface of the livestock hide; Then, the cleaning fluid is delivered to the upper scrubbing board through the upper supply hose and to the lower scrubbing board through the lower supply hose; the upper spray nozzle on the bottom surface of the upper scrubbing board sprays the cleaning fluid onto the top surface of the animal hide, and the lower spray nozzle on the top surface of the lower scrubbing board sprays the cleaning fluid onto the bottom surface of the animal hide. Furthermore, during the process of spraying cleaning liquid onto the top and bottom surfaces of livestock hides, the second motor drives the drive wheel to rotate in both directions. The drive wheel drives the lifting rod to move back and forth left and right through the connecting rod and sliding sleeve. The lifting rod drives the upper washboard and upper sliding seat to move back and forth left and right along the upper sliding rail. When the upper washboard moves to the right, it pulls the lower washboard and lower sliding seat to the left along the lower sliding rail through the left steel wire rope. When the upper washboard moves to the left, it pulls the lower washboard and lower sliding seat to the right along the lower sliding rail through the right steel wire rope. Therefore, the left and right directions of the upper and lower washboards are always opposite. The upper rubbing strips on the bottom surface of the upper washboard and the lower rubbing strips on the top surface of the lower washboard can rub the livestock hides. It can improve the efficiency and effectiveness of cleaning livestock hides.

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