Primary processing production line for leather preparation and preparation process

By designing an automated primary processing production line, the problems of high labor intensity and low efficiency caused by manual operation in leather preparation were solved. This enabled efficient and automated transfer and processing of leather between different devices, thereby improving product quality.

CN121065414APending Publication Date: 2025-12-05JINJIANG YONGJIAN LEATHER PROD CO LTD
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Patent Information

Application Number
CN202511203479.3
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-08-27
Publication Date
2025-12-05

AI Technical Summary

Technical Problem

Existing leather primary processing production lines rely on manual operation, resulting in high labor intensity, low efficiency, and difficulty in guaranteeing product quality, making it difficult to meet the needs of modern large-scale production.

Method used

An automated primary processing production line was designed, comprising guide rails, a fixed shell, a walking assembly, a steering assembly, a lifting assembly, a discharge assembly, and suction cups. The line enables automated transfer, feeding, and unfolding of leather between different devices via motor drive.

Benefits of technology

It enables automated transfer and processing of leather between immersion, tanning, trimming and dyeing equipment, reducing the intensity of manual operation and improving production efficiency and product quality.

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Abstract

The invention provides a primary processing production line for leather preparation and a preparation technology, and belongs to the field of leather preparation. Comprising guide rails and a fixing shell, dipping equipment, tanning equipment, shaving equipment and dyeing equipment are arranged between the guide rails, the guide rails are sleeved with the fixing shell, a walking assembly is arranged in the fixing shell, a circular plate is movably connected to the top face of the fixing shell, a bottom plate is fixedly connected to the top face of the circular plate, and a steering assembly is arranged on the side wall of the circular plate. The walking assembly and the guide rail are arranged, the first motor drives the movable shaft to rotate, and the movable shaft can achieve simultaneous rotation of the two driving wheels through transmission of the first belt wheel and the first belt; the driving wheel moves on the guide rail, so that automatic transfer operation of leather among the soaking equipment, the tanning equipment, the shaving equipment and the dyeing equipment can be realized, the labor intensity of manual operation is reduced, and the processing efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of leather preparation, in particular to a preliminary processing production line and preparation process for leather preparation. BACKGROUND

[0002] In the field of leather preparation, preliminary processing is a very important beginning, which directly determines the quality of leather and the feasibility of subsequent processing. This key link covers multiple complex and indispensable processes such as soaking, tanning, shaving and dyeing.

[0003] Most of the existing leather preliminary processing production lines still follow the traditional manual operation mode, or only achieve semi-automation. When transferring leather between different preliminary processing equipment, it completely relies on manual carrying, and workers need to frequently carry heavy leather from one place to another, which not only greatly consumes manpower, but also has extremely high labor intensity and extremely low efficiency. At the same time, due to the difficulty in achieving complete consistency in the operation method during manual carrying, slight carelessness can easily cause damage to the surface of the leather such as scratches and wrinkles due to improper operation, which seriously affects the product quality. In addition, the operations such as feeding, collecting and unfolding during leather processing are also highly dependent on manual operation. These operations not only have a complicated process, but also have many risks of operation errors, which are far from the high-efficiency and precision goals pursued by modern large-scale production, and are difficult to meet the growing market demand.

[0004] Based on the above reasons, the present application provides a preliminary processing production line and preparation process for leather preparation to improve production efficiency and product quality, and reduce production cost. SUMMARY

[0005] The technical problem to be solved by the present application is to provide a preliminary processing production line and preparation process for leather preparation, which has the advantages of high automation degree and good processing quality.

[0006] To solve the above technical problems, the present application provides the following technical solutions: The utility model provides a kind of preliminary processing production line for leather preparation, including guide rail, which is provided with dipping equipment, tanning equipment, shaving equipment and dyeing equipment, the fixed shell is sleeved on the guide rail, the walking assembly is arranged in the fixed shell, the circular plate is movably connected on the top surface of the fixed shell, the bottom plate is fixedly connected on the top surface of the circular plate, and the steering assembly is arranged on the side wall of the bottom plate, four vertical plates are evenly distributed and fixedly connected on the top surface of the bottom plate, two movable frames are movably connected on the front two vertical plates, one movable frame is movably connected on the rear two vertical plates, the lifting assembly is arranged in the movable frame, the same collecting shell is fixedly connected on the lower four movable frames, the discharging assembly is arranged on the bottom surface of the collecting shell, the same circular shaft is movably connected between the upper two movable frames, the movable shell is movably connected on the circular shaft, the angle assembly is arranged at the both ends of the circular shaft, the vertical pipe is movably connected in the center of the side wall of the movable shell, the horizontal plate is movably connected on the side wall of the vertical pipe, and the other steering assembly is arranged on the side wall of the vertical pipe, the first electric push rod fixed with the movable shell is fixedly connected on the bottom surface of the horizontal plate, the suction disc is fixedly connected on the bottom surface of the movable shell and the bottom end of the vertical pipe, and the negative pressure equipment is fixedly connected on the top surface of the movable shell.

[0007] Preferably, the shaving equipment and the dyeing equipment are connected by the conveying equipment, and the negative pressure equipment is connected with the vertical pipe through the pipeline Preferably, the walking assembly includes a drive wheel, two drive wheels are arranged at the top surface of the fixed shell, the movable shaft is fixedly connected in the center of the side wall of the two drive wheels, the movable shaft is movably connected with the fixed shell, the first belt pulley is fixedly connected at one end of the movable shaft, the same first belt is sleeved between the two first belt pulleys, one of the movable shafts penetrates through the fixed shell and is fixedly connected with the first motor, and the first motor is fixedly connected with the fixed shell.

[0008] Preferably, the steering assembly includes a ring gear, the ring gear is fixedly connected on the outer side wall of the circular plate and the vertical pipe, the first gear is engaged on the ring gear, the vertical shaft is fixedly connected in the center of the side wall of the first gear, and the second motor is fixedly connected on the top end of the vertical shaft.

[0009] Preferably, the lifting assembly includes a third motor, the third motor is fixedly installed on the outer side wall of the movable frame, the rotating shaft is fixedly connected on the rotor of the third motor, the rack is fixedly connected on the side wall of the vertical plate, and the second gear engaged with the rack is fixedly connected on the rotating shaft.

[0010] Preferably, the discharge assembly includes a horizontal shaft, the bottom surface of the collection shell is not closed and two horizontal shafts are symmetrically and movably connected inside, each horizontal shaft is fixedly connected to a round roller, the two round rollers are fitted with the same conveyor belt, one end of one of the horizontal shafts is fixedly connected to a second pulley, a fourth motor is fixedly connected to the outer wall of the collection shell, the rotor of the fourth motor is fixedly connected to a connecting shaft, the connecting shaft passes through the collection shell and is fixedly connected to another second pulley, the two second pulleys are fitted with the same second belt.

[0011] Preferably, the angle component includes a worm gear, and worm gears are fixedly connected to both ends of the circular shaft. A worm is meshed on each worm gear, and side plates are movably connected to both ends of the worm. The side plates are fixedly connected to the movable frame, and a fifth motor is fixedly connected to one end of the worm.

[0012] Preferably, a baffle is movably connected to the front side of the collecting shell, and two second electric push rods are hinged to the baffle. The second electric push rods are movably connected to the outer wall of the collecting shell.

[0013] Preferably, the guide rail has an "I" shaped cross-section, and the fixing shell is concave and matched with the guide rail.

[0014] A manufacturing process for a primary processing production line for leather production includes the following steps: S1: Place the leather that needs to be pre-processed into the inner cavity of the collection shell. After the specified amount of leather has been placed, start the first motor. The first motor drives the movable shaft to rotate. The movable shaft can achieve the simultaneous rotation of the two drive wheels through the transmission of the first pulley and the first belt. The drive wheels can move on the guide rail to transfer the leather to the feeding side of the immersion equipment. Stop the drive of the first motor. S2: Synchronously start the third motor on the movable frame that is fixedly connected to the collection shell. The third motor drives the second gear to rotate through the rotating shaft. The second gear meshes with the rack and pinion to change the height of the movable frame on the vertical plate, thereby driving the collection shell and the leather inside to the specified height position, and then stop the driving of the third motor. S3: Start the second motor on the base plate. The second motor drives the first gear to rotate through the vertical shaft. The first gear meshes with the ring gear on the circular plate to rotate, which can realize the adjustment operation of the direction of the base plate. When the baffle on the collection shell is aligned with the immersion equipment, stop the drive of the second motor. S4: Start the second electric push rod and the fourth motor, the second electric push rod drives the baffle to rotate, opens one side of the collection shell, and drives the connecting shaft to rotate through the fourth motor, drives the horizontal shaft to rotate through the second belt pulley and the second belt, drives the conveying belt to rotate through the round roller, can convey the leather in the inner cavity of the collection shell to the inside of the dipping device, and realizes dipping processing operation of the leather by using the dipping device; S5: When the dipping processing of the leather is completed, start the first motor, and move the collection shell to the discharge port of the dipping device, and start the second electric push rod to close one side of the collection shell. At this time, the leather in the dipping device is directly poured into the inner cavity of the collection shell, and the collection operation of the leather is completed. S6: Start the first motor again, move the collection shell containing the leather to the tanning device, and add the leather to the inside of the tanning device to realize tanning processing operation of the leather. When the tanning device completes tanning processing of the leather, perform the operation of step S5 to realize the collection operation of the tanned leather again. S7: Drive the walking assembly to move the device to the side of the shaving device along the guide rail. At this time, adjust the height of the movable shell by the lifting assembly, start the first electric push rod, drive the horizontal plate to move, drive the suction cup to move into the collection shell through the vertical pipe, start the negative pressure device to generate negative pressure on the suction cup of the vertical pipe and adsorb the leather in the collection shell. After adsorption is completed, reverse drive the first electric push rod to drive the leather to move upward to a certain height. S8: Start the fifth motor to drive the worm to rotate with the worm gear, drive the circular shaft to rotate with the worm gear, drive the movable shell to rotate with the circular shaft, so that the suction cup is upwardly arranged. Stop driving the fifth motor, start the second motor on the horizontal plate to drive the first gear to rotate with the ring gear through the vertical shaft, drive the vertical pipe and the leather to rotate with the ring gear, and can realize rotation and unfolding of the leather. When unfolding is completed, the second motor is closed to make the leather unfold on the top surface of the movable shell. Start the negative pressure device to complete adsorption and fixation of the unfolded leather by the suction cup on the movable shell. S9: Start the fifth motor again to drive the movable shell to align with the feed port of the shaving device. Close the negative pressure device to make the leather slide into the shaving device to realize shaving processing operation of the leather. Through repeated operation, shaving processing of the leather is completed, and the shaved leather is directly input to the dyeing device for dyeing treatment. S10: Move the collection shell to the dyeing device discharge position along the guide rail by the walking assembly, and collect the dyed leather by adjusting the lifting assembly and the steering assembly to complete the initial processing operation of the leather.

[0015] Compared with the prior art, the present application has at least the following beneficial effects: The present application is provided with a walking assembly and a guide rail, the first motor drives the movable shaft to rotate, the movable shaft can drive the two driving wheels to rotate simultaneously through the transmission of the first belt pulley and the first belt, and the driving wheels can move on the guide rail to realize the automatic transfer operation of the leather between the dipping equipment, the tanning equipment, the trimming equipment and the dyeing equipment, thereby reducing the labor intensity of manual operation and improving the processing efficiency. The present application is provided with a discharging assembly, a rotating assembly and a suction cup, the fourth motor can drive the circular roller to drive the conveying belt to rotate, thereby conveying the leather in the inner cavity of the collecting shell to the inside of the primary processing equipment, facilitating the automatic feeding operation of the leather and improving the processing efficiency, and the vertical pipe can drive the leather to rotate together through the driving of the steering assembly on the horizontal plate, the leather can be unfolded through rotation, and the suction cup on the movable shell can complete the adsorption operation of the unfolded leather through the operation of the negative pressure equipment, facilitating the primary processing. BRIEF DESCRIPTION OF DRAWINGS

[0016] The accompanying drawings, which are incorporated herein and constitute part of the specification, illustrate embodiments of the present disclosure and, together with the specification, further serve to explain the principles of the present disclosure and to enable a person skilled in the relevant art to implement and use the present disclosure.

[0017] Figure 1 is a structural schematic view of the primary processing production line of the present application; Figure 2 is a perspective structural schematic view of an angle at the collecting shell of the present application; Figure 3 is another perspective structural schematic view of an angle at the collecting shell of the present application; Figure 4 is a perspective structural schematic view of the vertical plate of the present application; Figure 5 is a perspective structural schematic view of the discharging assembly of the present application; Figure 6 is a perspective structural schematic view of an angle at the movable shell of the present application; Figure 7 is a perspective structural schematic view of another angle at the movable shell of the present application; Figure 8 is a perspective structural schematic view at the fixed shell of the present application.

[0018] [REFERENCE NUMERALS] 1, guide rail; 2, fixed shell; 3, walking assembly; 4, round plate; 5, bottom plate; 6, steering assembly; 7, vertical plate; 8, movable frame; 9, lifting assembly; 10, collecting shell; 11, discharging assembly; 12, round shaft; 13, movable shell; 14, angle assembly; 15, vertical pipe; 16, cross plate; 17, first electric push rod; 18, suction cup; 19, negative pressure equipment; 20, conduit; 21, second electric push rod; 22, driving wheel; 23, movable shaft; 24, first belt pulley; 25, first belt; 26, first motor; 27, ring gear; 28, first gear; 29, vertical shaft; 30, second motor; 31, third motor; 32, rotating shaft; 33, rack; 34, second gear; 35, cross shaft; 36, round roller; 37, conveyor belt; 38, second belt pulley; 39, fourth motor; 40, connecting shaft; 41, second belt; 42, worm gear; 43, worm; 44, side plate; 45, fifth motor; 46, baffle; 100, steeping equipment; 200, tanning equipment; 300, shaving equipment; 400, dyeing equipment.

[0019] As shown in the drawings, in order to clearly realize the structure of the embodiments of the present application, specific structures and devices are marked in the drawings, but this is only for the need of illustration, and is not intended to limit the present application in the specific structures, devices and environments, and those skilled in the art can adjust or modify these devices and environments according to specific needs, and the adjustment or modification still includes in the scope of the appended claims. DETAILED DESCRIPTION

[0020] A preliminary processing production line and preparation process for leather preparation provided by the present application are described in detail below in combination with the drawings and specific embodiments. It is explained here that in order to make the embodiments more detailed, the following embodiments are the best and preferred embodiments, and other alternative ways can also be adopted by those skilled in the art to implement some known technologies; and the drawings are only used to more specifically describe the embodiments, and are not intended to specifically limit the present application.

[0021] As Figures 1-8As shown, an embodiment of the present invention provides a primary processing production line for leather preparation, including a guide rail 1. A soaking device 100, a tanning device 200, a leveling device 300, and a dyeing device 400 are arranged between the guide rails 1. The leveling device 300 and the dyeing device 400 are connected by a conveying device. A fixed shell 2 is sleeved on the guide rail 1. A walking component 3 is arranged inside the fixed shell 2. The walking component 3 includes a drive wheel 22. Two drive wheels 22 are arranged on the top surface of the fixed shell 2. A movable shaft 23 is fixedly connected to the center of the side wall of each of the two drive wheels 22. The movable shaft 23 is movably connected to the fixed shell 2. A first pulley 24 is fixedly connected to one end of the movable shaft 23. The same first belt 25 is sleeved between the two first pulleys 24. One of the movable shafts 23 passes through the fixed shell 2 and is fixedly connected to a first motor 26. The first motor 26 is fixedly connected to the fixed shell 2. In this embodiment, by starting the first motor 26, the first motor 26 drives the movable shaft 23 to rotate. The movable shaft 23 can achieve the simultaneous rotation of the two drive wheels 22 through the transmission of the first pulley 24 and the first belt 25. The movement of the drive wheels 22 on the guide rail 1 can realize the automated transfer operation of leather between the soaking equipment 100, the tanning equipment 200, the leveling equipment 300 and the dyeing equipment 400, reduce the labor intensity of manual operation and improve processing efficiency. Furthermore, the guide rail 1 has an "I" shaped cross section, and the fixing shell 2 has an inverted concave shape and is matched with the guide rail 1 to improve the stability of operation; A circular plate 4 is movably connected to the top surface of the fixed shell 2. A bottom plate 5 is fixedly connected to the top surface of the circular plate 4 and a steering assembly 6 is provided on the side wall. The steering assembly 6 includes a ring gear 27. The ring gear 27 is fixedly connected to the outer side wall of both the circular plate 4 and the vertical tube 15. A first gear 28 meshes with the ring gear 27. A vertical shaft 29 is fixedly connected to the center of the side wall of the first gear 28. A second motor 30 is fixedly connected to the top of the vertical shaft 29. In this embodiment, by starting the second motor 30, the second motor 30 drives the first gear 28 to rotate through the vertical shaft 29. The first gear 28 meshes with the ring gear 27 on the circular plate 4 to rotate, which can realize the direction adjustment operation of the base plate 5 and the rotation adjustment operation of the vertical tube 15. Four vertical plates 7 are evenly distributed and fixedly connected on the top surface of the base plate 5. Two movable frames 8 are movably connected to the two front vertical plates 7, and one movable frame 8 is movably connected to the two rear vertical plates 7. Each movable frame 8 is equipped with a lifting component 9. The lifting component 9 includes a third motor 31. The third motor 31 is fixedly installed on the outer side wall of the movable frame 8. A rotating shaft 32 is fixedly connected to the rotor of the third motor 31. A rack 33 is fixedly connected to the side wall of the vertical plate 7. A second gear 34 that meshes with the rack 33 is fixedly connected to the rotating shaft 32. In this embodiment, by starting the third motor 31, the third motor 31 drives the second gear 34 to rotate through the rotating shaft 32, the second gear 34 is engaged with the rack 33 to change the height of the movable frame 8 on the vertical plate 7, thereby realizing the height adjustment of the collecting shell 10, facilitating the collection and discharge of the leather, and also realizing the height adjustment of the movable shell 13, facilitating the shaving and dyeing operation of the leather; The lower four movable frames 8 are fixedly connected with the same collecting shell 10, the collecting shell 10 is provided with a discharge assembly 11 on the bottom surface, the discharge assembly 11 includes a horizontal shaft 35, the bottom surface of the collecting shell 10 is not closed and is symmetrically movably connected with two horizontal shafts 35, the horizontal shaft 35 is fixedly connected with a circular roller 36, and the two circular rollers 36 are sleeved with the same conveying belt 37. One end of one horizontal shaft 35 is fixedly connected with a second belt pulley 38, a fourth motor 39 is fixedly connected to the outer wall of the collecting shell 10, a connecting shaft 40 is fixedly connected to the rotor of the fourth motor 39, the connecting shaft 40 penetrates through the collecting shell 10 and is fixedly connected with another second belt pulley 38, and the two second belt pulleys 38 are sleeved with the same second belt 41. In this embodiment, the fourth motor 39 drives the connecting shaft 40 to rotate, the horizontal shaft 35 is driven to rotate through the second belt pulley 38 and the second belt 41, and the horizontal shaft 35 drives the conveying belt 37 to rotate through the circular roller 36. The leather in the inner cavity of the collecting shell 10 can be conveyed to the inside of the preliminary processing equipment, facilitating the automatic feeding operation of the leather and improving the processing efficiency. Further, the collecting shell 10 is movably connected with a baffle 46, two second electric push rods 21 are hinged to the baffle 46, and the second electric push rods 21 are movably connected with the outer wall of the collecting shell 10. The opening and closing operation of the collecting shell 10 can be realized, thereby facilitating the use of the leather storage and discharge; The upper two movable frames 8 are movably connected with the same circular shaft 12, the circular shaft 12 is movably connected with the movable shell 13, the circular shaft 12 is provided with an angle assembly 14 at both ends, the angle assembly 14 includes a worm gear 42, the circular shaft 12 is fixedly connected with the worm gear 42 at both ends, the worm gear 42 is engaged with a worm 43, the worm 43 is movably connected with a side plate 44 at both ends, the side plate 44 is fixedly connected with the movable frame 8, and the worm 43 is fixedly connected with a fifth motor 45 at one end. In this embodiment, the fifth motor 45 is started, the fifth motor 45 drives the worm 43 to engage the worm gear 42 to rotate, the worm gear 42 drives the circular shaft 12 to rotate, and the circular shaft 12 drives the movable shell 13 to rotate, which can realize the angle adjustment operation of the movable shell 13. On the one hand, it is convenient to unfold and fix the leather, and on the other hand, it is convenient to realize the feeding operation of the leather into the shaving device 300, and the automation degree is high. The vertical pipe 15 is movably connected to the center of the side wall of the movable shell 13, a horizontal plate 16 is movably connected to the side wall of the vertical pipe 15, and another steering assembly 6 is arranged on the side wall of the vertical pipe 15; In the embodiment, the driving of the steering assembly 16 on the horizontal plate 16 can drive the vertical pipe 15 to rotate together with the leather, and the leather can be unfolded by rotation, which is convenient and automatic; The first electric push rod 17 fixedly connected to the movable shell 13 is fixedly connected to the bottom surface of the horizontal plate 16, the suction cups 18 are fixedly connected to the bottom surface of the movable shell 13 and the bottom end of the vertical pipe 15, the negative pressure equipment 19 is fixedly connected to the top surface of the movable shell 13, and the negative pressure equipment 19 is connected to the vertical pipe 15 through the conduit 20; In the embodiment, the driving of the first electric push rod 17 can drive the suction cups 18 on the vertical pipe 15 to complete the suction operation of the single leather, and the operation of the negative pressure equipment 19 can drive the suction cups on the movable shell 13 to complete the suction operation of the unfolded leather, which is convenient for primary processing.

[0022] A preparation process of a primary processing production line for leather preparation includes the following steps: S1: The leather to be subjected to primary processing operation is placed in the inner cavity of the collection shell 10, after the specified amount of leather is placed, the first motor 26 is started, the movable shaft 23 is driven to rotate by the first motor 26, the two driving wheels 22 are simultaneously rotated by the transmission of the first belt pulley 24 and the first belt 25, and the driving wheels 22 are moved on the guide rail 1 to transfer the leather to the feeding side of the dipping device 100, and the driving of the first motor 26 is stopped; S2: The third motor 31 on the movable frame 8 fixedly connected to the collection shell 10 is started synchronously, the second gear 34 is driven to rotate by the third motor 31 through the rotating shaft 32, the second gear 34 is engaged with the rack 33 to change the height of the movable frame 8 on the vertical plate 7, so that the collection shell 10 and the leather inside can be driven to the specified height position, and the driving of the third motor 31 is stopped; S3: The second motor 30 on the bottom plate 5 is started, the first gear 28 is driven to rotate by the second motor 30 through the vertical shaft 29, the first gear 28 is engaged with the ring gear 27 on the circular plate 4 to rotate, so that the direction of the bottom plate 5 can be adjusted, and when the baffle 46 on the collection shell 10 is aligned with the dipping device 100, the driving of the second motor 30 is stopped; S4: start the second electric push rod 21 and the fourth motor 39, the second electric push rod 21 pushes the baffle 46 to rotate, opens one side of the collection shell 10, and drives the connecting shaft 40 to rotate through the fourth motor 39, the connecting shaft 40 drives the horizontal shaft 35 to rotate through the second belt pulley 38 and the second belt 41, and the horizontal shaft 35 drives the conveying belt 37 to rotate through the round roller 36, so that the leather in the inner cavity of the collection shell 10 can be conveyed into the inside of the dipping device 100, and the dipping device 100 is used to realize the dipping processing operation of the leather; S5: when the dipping processing of the leather is completed, the first motor 26 is started, and the collection shell 10 can be moved to the discharge port of the dipping device 100 through the operations of steps S1-S3, and the second electric push rod 21 is started to pull the baffle 46 to move to close one side of the collection shell 10, at this time, the leather in the inside of the dipping device 100 is directly poured into the inner cavity of the collection shell 10, and the collection operation of the leather is completed; S6: the first motor 26 is started again to move the collection shell 10 containing the leather to the tanning device 200, and the leather is added to the inside of the tanning device 200 through the operations of steps S1-S3, so that the tanning processing operation of the leather is realized, and when the tanning device 200 completes the tanning processing of the leather, the tanning completed leather is collected again through the operation of step S5; S7: the device is driven to run to one side of the shaving device 300 along the guide rail 1 through the driving of the walking assembly 3, at this time, the height of the movable shell 13 is adjusted through the lifting assembly 9, the first electric push rod 17 is started to drive the horizontal plate 16 to move, the horizontal plate 16 drives the suction cup 18 to move into the collection shell 10 through the vertical pipe 15, the negative pressure device 19 is started to make the suction cup 18 on the vertical pipe 15 generate negative pressure and adsorb the leather in the collection shell 10, and after the adsorption is completed, the first electric push rod 17 is reversely driven to drive the leather to move upward to a certain height; S8: the fifth motor 45 is started to drive the worm 43 to mesh with the worm gear 42 to rotate, the worm gear 42 drives the circular shaft 12 to rotate, the circular shaft 12 drives the movable shell 13 to rotate, so that the suction cup 18 is arranged upward, the driving of the fifth motor 45 is stopped, the second motor 30 on the horizontal plate 16 is started, the second motor 30 drives the first gear 28 to mesh with the ring gear 27 to rotate through the vertical shaft 29, the ring gear 27 drives the vertical pipe 15 and the leather to rotate, so that the leather can be unfolded, the second motor 30 is closed after the unfolding is completed, so that the leather can be unfolded on the top surface of the movable shell 13, and the negative pressure device 19 is started to make the suction cup 18 on the movable shell 13 adsorb and fix the unfolded leather; S9: restart the fifth motor 45, so that the fifth motor 45 drive activity shell 13 aligns with the feed inlet of the grinding device 300, close the negative pressure device 19 so that the leather slides into the grinding device 300, realize the grinding operation of the leather, through repeated operation, complete the grinding operation of the leather, and the finished leather is directly input to the dyeing device 400 for dyeing treatment; S10: move the collection shell 10 along the guide rail 1 to the discharge position of the dyeing device 400 through the walking assembly 3, and complete the collection operation of the dyed leather through the adjustment of the lifting assembly 9 and the steering assembly 6, complete the primary processing operation of the leather.

[0023] The above only describes the preferred embodiments of the present application, and it should be noted that those skilled in the art can make several improvements and refinements without departing from the principles of the present application, and these improvements and refinements should also be considered within the scope of protection of the present application.

Claims

1. A preliminary processing line for the preparation of leather, comprising a guide rail (1), characterized in that, The guide rail (1) is provided with immersion equipment (100), tanning equipment (200), shaving equipment (300) and dyeing equipment (400), the guide rail (1) is provided with a fixed shell (2), the fixed shell (2) is provided with a walking assembly (3), the fixed shell (2) top is movably connected with a circular plate (4), the circular plate (4) top is fixedly connected with a bottom plate (5) and the side wall is provided with a steering assembly (6), the bottom plate (5) top is evenly distributed and is fixedly connected with four vertical plates (7), the front two vertical plates (7) are movably connected with two movable frames (8), the rear two vertical plates (7) are movably connected with a movable frame (8), the movable frame (8) is provided with a lifting assembly (9), the lower four movable frames (8) are fixedly connected with the same collecting shell (10), the collecting shell (10) bottom is provided with a discharge assembly (11), the upper two movable frames (8) are movably connected with the same circular shaft (12), the circular shaft (12) is movably connected with a movable shell (13), the circular shaft (12) both ends are provided with an angle assembly (14), the movable shell (13) side wall center is movably connected with a vertical pipe (15), the vertical pipe (15) side wall is movably connected with a horizontal plate (16), and the vertical pipe (15) side wall is provided with another steering assembly (6), the horizontal plate (16) bottom is fixedly connected with the first electric push rod (17) fixed with the movable shell (13), the movable shell (13) bottom and the vertical pipe (15) bottom end are both fixedly connected with a suction cup (18), and the movable shell (13) top is fixedly connected with a negative pressure equipment (19).

2. A preliminary processing line for the preparation of leather according to claim 1, characterized in that, The shaving equipment (300) and the dyeing equipment (400) are connected by the conveying equipment, and the negative pressure equipment (19) is connected with the vertical pipe (15) through the pipe (20).

3. A preliminary processing line for the preparation of leather according to claim 2, characterized in that, The walking assembly (3) includes a drive wheel (22), the fixed shell (2) top is provided with two drive wheels (22), the two drive wheels (22) side wall center is fixedly connected with a movable shaft (23), the movable shaft (23) is movably connected with the fixed shell (2), the movable shaft (23) one end is fixedly connected with a first belt pulley (24), the two first belt pulleys (24) are movably connected with the same first belt (25), one of the movable shaft (23) penetrates the fixed shell (2) and is fixedly connected with a first motor (26), and the first motor (26) is fixedly connected with the fixed shell (2).

4. A preliminary processing line for the preparation of leather according to claim 3, characterized in that, The steering assembly (6) includes a ring gear (27), the outer side wall of the circular plate (4) and the vertical pipe (15) is fixedly connected with a ring gear (27), the ring gear (27) is engaged with a first gear (28), the first gear (28) side wall center is fixedly connected with a vertical shaft (29), and the vertical shaft (29) top end is fixedly connected with a second motor (30).

5. A preliminary processing line for the preparation of leather according to claim 4, characterized in that, The lifting assembly (9) includes a third motor (31), which is fixedly installed on the outer side wall of the movable frame (8). A rotating shaft (32) is fixedly connected to the rotor of the third motor (31). A rack (33) is fixedly connected to the side wall of the vertical plate (7). A second gear (34) that meshes with the rack (33) is fixedly connected to the rotating shaft (32).

6. A preliminary processing line for the preparation of leather according to claim 5, characterized in that, The discharge assembly (11) includes a horizontal shaft (35). The bottom surface of the collection shell (10) is not closed and two horizontal shafts (35) are symmetrically and movably connected inside. A circular roller (36) is fixedly connected to each of the horizontal shafts (35). The same conveyor belt (37) is sleeved on the two circular rollers (36). A second pulley (38) is fixedly connected to one end of one of the horizontal shafts (35). A fourth motor (39) is fixedly connected to the outer wall of the collection shell (10). A connecting shaft (40) is fixedly connected to the rotor of the fourth motor (39). The connecting shaft (40) passes through the collection shell (10) and is fixedly connected to another second pulley (38). The same second belt (41) is sleeved on the two second pulleys (38).

7. A preliminary processing line for the preparation of leather according to claim 6, characterized in that, The angle assembly (14) includes a worm gear (42), and the worm gear (42) is fixedly connected to both ends of the round shaft (12). The worm gear (42) is meshed with a worm (43), and the worm (43) is movably connected to both ends of the worm (43). The side plate (44) is fixedly connected to the movable frame (8), and a fifth motor (45) is fixedly connected to one end of the worm (43).

8. A preliminary processing line for the preparation of leather according to claim 7, characterized in that, A baffle (46) is movably connected to the front side of the collecting shell (10), and two second electric push rods (21) are hinged on the baffle (46). The second electric push rods (21) are movably connected to the outer wall of the collecting shell (10).

9. A preliminary processing line for the preparation of leather according to claim 8, characterized in that, The guide rail (1) has an "I" shaped cross section, and the fixing shell (2) is concave and matched with the guide rail (1).

10. A production process for a preliminary processing line for the production of leather according to any one of claims 1-9, characterized in that, Includes the following steps: S1: Place the leather that needs to be pre-processed into the inner cavity of the collection shell (10). After placing the specified amount of leather, start the first motor (26). The first motor (26) drives the movable shaft (23) to rotate. The movable shaft (23) can achieve the simultaneous rotation of the two drive wheels (22) through the transmission of the first pulley (24) and the first belt (25). The drive wheels (22) can move on the guide rail (1) to transfer the leather to the feeding side of the immersion equipment (100). Stop the drive of the first motor (26). S2: Synchronously start the third motor (31) on the movable frame (8) which is fixedly connected to the collection shell (10). The third motor (31) drives the second gear (34) to rotate through the rotating shaft (32). The second gear (34) meshes with the rack (33) to change the height of the movable frame (8) on the vertical plate (7), thereby driving the collection shell (10) and the leather inside to the specified height position, and stopping the drive of the third motor (31). S3: start the second motor (30) on the base plate (5), the second motor (30) drives the first gear (28) to rotate through the vertical shaft (29), the first gear (28) meshes with the ring gear (27) on the circular plate (4) to rotate, which can realize the adjustment operation of the direction of the base plate (5), when the baffle (46) on the collecting shell (10) is aligned with the dipping device (100), stop driving the second motor (30); S4: start the second electric push rod (21) and the fourth motor (39), the second electric push rod (21) drives the baffle (46) to rotate, opens one side of the collecting shell (10), and drives the connecting shaft (40) to rotate through the fourth motor (39), the connecting shaft (40) drives the horizontal shaft (35) to rotate through the transmission of the second belt pulley (38) and the second belt (41), and the horizontal shaft (35) drives the conveying belt (37) to rotate through the circular roller (36), which can convey the leather in the inner cavity of the collecting shell (10) to the inside of the dipping device (100), and realize the dipping processing operation of the leather by using the dipping device (100); S5: after completing the dipping processing of the leather, start the first motor (26), as the operation of steps S1-S3, move the collecting shell (10) to the discharge port of the dipping device (100), and start the second electric push rod (21), the second electric push rod (21) drives the baffle (46) to move and closes one side of the collecting shell (10), at this time, the leather in the inside of the dipping device (100) is directly poured into the inner cavity of the collecting shell (10), and the collecting operation of the leather is completed; S6: start the first motor (26) again, move the collecting shell (10) containing the leather to the tanning device (200), and add the leather to the inside of the tanning device (200) again as the operation of steps S1-S3, realize the tanning processing operation of the leather, and when the tanning device (200) completes the tanning processing of the leather, realize the re-collection operation of the tanned leather as the operation of step S5; S7: drive the walking assembly (3) to make the device run to one side of the shaving device (300) along the guide rail (1), at this time, adjust the height of the movable shell (13) through the lifting assembly (9), and start the first electric push rod (17), the first electric push rod (17) drives the horizontal plate (16) to move, the horizontal plate (16) drives the suction cup (18) to move into the collecting shell (10) through the vertical pipe (15), starts the negative pressure device (19), so that the suction cup (18) on the vertical pipe (15) generates negative pressure and adsorbs the leather in the collecting shell (10), after adsorption, reversely drive the first electric push rod (17) to drive the leather to move upward to a certain height; S8: start the fifth motor (45), the fifth motor (45) drives the worm (43) to engage the worm gear (42) to rotate, the worm gear (42) drives the circular shaft (12) to rotate, the circular shaft (12) drives the movable shell (13) to rotate, so that the suction cup (18) is set upwards, stop the driving of the fifth motor (45), and start the second motor (30) on the horizontal plate (16), the second motor (30) drives the first gear (28) to engage the ring gear (27) to rotate through the vertical shaft (29), the ring gear (27) drives the vertical pipe (15) and the leather to rotate, which can realize the rotation and unfolding of the leather, and when the unfolding is completed, the second motor (30) is closed, so that the leather is unfolded on the top surface of the movable shell (13), and the negative pressure equipment (19) is started, so that the suction cup (18) on the movable shell (13) can complete the adsorption and fixation of the unfolded leather; S9: start the fifth motor (45) again, so that the fifth motor (45) drives the movable shell (13) to align with the feed inlet of the trimming device (300), the negative pressure equipment (19) is closed, so that the leather slides into the trimming device (300), realizes the trimming operation of the leather, and through repeated operation, the trimming operation of the leather is completed, and the trimmed leather is directly input into the dyeing equipment (400) for dyeing treatment; S10: move the collecting shell (10) along the guide rail (1) to the discharge position of the dyeing equipment (400) through the walking assembly (3), and adjust the lifting assembly (9) and the steering assembly (6) to complete the collection operation of the dyed leather, and complete the primary processing operation of the leather.