A kind of oily bio-based luggage leather preparation equipment and preparation method

Abstract

The present invention relates to the technical field of leather preparation, and specifically to an oily bio-based luggage leather preparation device and preparation method, comprising a conveyor platform, a reeling rack and a cutting machine, and also comprising a downward pressure tensioning component and a straightening component. The downward pressure tensioning component comprises a support plate, a pressure block, a top shaft, a secondary downward pressure mechanism and a transmission mechanism. The transmission mechanism comprises a traction rope connecting the pressure block and the top shaft. The straightening component comprises two groups of clamping and dragging mechanisms respectively arranged on both sides of the support plate, and each group of clamping and dragging mechanisms comprises a pneumatic clamp, a dragging member and a reset member. Through the downward pressure tensioning component of the device, the cutting machine can cut the luggage leather during transportation, thereby improving production efficiency. At the same time, during the cutting process, the conveyor platform does not need to be repeatedly started and stopped, further improving the service life of the conveyor platform.

Description

Technical Field

[0001] The invention relates to the technical field of leather preparation, and in particular to equipment and a method for preparing oily bio-based luggage leather. Background Art

[0002] Luggage leather is made from animal skins such as pigs and cows through vegetable tanning or chrome-vegetable tanning. This type of leather includes hard and soft full-grain luggage and handbag leathers, among which oily bio-based luggage leather is a special type of luggage leather. It refers to luggage leather made from bio-based materials, and oily treatment or coating is used in the manufacturing process. The oily treatment or coating is used to improve the waterproofness, wear resistance or aesthetics of the leather.

[0003] At the final stage of luggage leather preparation, the entire luggage leather needs to be cut. The specific process is as follows: the rolled luggage leather is placed on the unwinding rack, and then one end of the luggage leather is placed on the conveyor. The conveyor transports one end of the luggage leather to the cutter. When one end of the luggage leather passes the cutter, the conveyor is stopped, and the operator holds one end of the luggage leather to flatten the luggage leather, and then the cutter cuts the luggage leather downward. In the above process, the conveyor needs to be stopped each time the luggage leather is cut. The repeated start-up of the conveyor not only reduces the production efficiency, but also reduces the service life of the conveyor. In addition, each time the luggage leather is cut, one end of the luggage leather needs to be held manually to ensure that the luggage leather is in a straight state when cut. Manual holding will greatly increase labor costs and labor intensity. Therefore, it is necessary to provide an oily bio-based luggage leather preparation device and preparation method to solve the above problems. Summary of the invention

[0004] Based on this, it is necessary to provide an oily bio-based luggage leather preparation device and preparation method to address the existing technical problems.

[0005] In order to solve the problems of the prior art, the technical solution adopted by the present invention is: an oily bio-based luggage leather preparation equipment, including a conveyor platform, a reeling rack and a cutting machine, the reeling rack and the cutting machine are respectively arranged at the beginning and the end of the conveyor platform, and also include a downward pressure tensioning component and a straightening component both arranged at the end of the conveyor platform, the downward pressure tensioning component includes a support plate, a pressure block, a top shaft, a secondary downward pressure mechanism and a transmission mechanism, the support plate is horizontal, the pressure block and the top shaft are respectively slidably arranged above and below the support plate in the vertical direction, and the luggage leather transported by the conveyor platform passes through the top shaft, The pressing block, cutting machine and straightening component, the transmission mechanism includes a traction rope connecting the pressing block and the top shaft, the secondary pressing mechanism is used to first drive the pressing block to press against the luggage leather, and then drive the top shaft to rise through the traction rope, the straightening component includes two groups of clamping and dragging mechanisms respectively arranged on both sides of the support plate, each group of clamping and dragging mechanisms includes pneumatic clamps, dragging parts and reset parts, the pneumatic clamps slide on the side of the support plate along the conveying direction of the luggage leather, the dragging parts are used to drag the pneumatic clamps to straighten the ends of the luggage leather, and the reset parts are used to drive the pneumatic clamps to reset after the luggage leather is cut.

[0006] Furthermore, a horizontal connecting plate is fixedly provided at the end of the conveyor platform, one end of the connecting plate is attached to the top of the conveyor platform, and a slope is formed on the end of the connecting plate attached to the top of the conveyor platform, and the side of the connecting plate is fixedly provided on the supporting platform, and the supporting plate is mounted on the top of the supporting platform. The top of the supporting plate and the connecting plate are flush, and the supporting plate and the connecting plate are spaced apart along the conveying direction of the luggage leather, and a horizontal strip plate is fixedly provided under the connecting plate, and the length direction of the strip plate is consistent with the width direction of the conveyor platform, and a No. 1 vertical shaft is fixedly provided at both ends of the strip plate, and an axis frame located between the connecting plate and the supporting plate is provided between the two No. 1 vertical shafts, and the top shaft rotates on the axis frame, and the axial direction of the top shaft is parallel to the length direction of the strip plate, and a No. 1 sliding sleeve is fixedly provided at both ends of the axis frame, and each No. 1 sliding sleeve is mounted on the corresponding No. 1 vertical shaft.

[0007] Furthermore, the secondary pressing mechanism includes a support plate, a No. 1 hydraulic cylinder, a lifting frame and an elastic member. The support plate is horizontally fixed on the support platform, the No. 1 hydraulic cylinder is vertically fixed on the top of the support plate, the lifting frame is arranged below the support plate, the output end of the No. 1 hydraulic cylinder passes downward through the support plate and is fixedly connected to the lifting frame, two fixed shafts symmetrical to the No. 1 hydraulic cylinder are fixed between the support plate and the support platform, each fixed shaft is vertical, and No. 2 sliding sleeves are fixed at both ends of the lifting frame, and each No. 2 sliding sleeve is Sleeved on the corresponding fixed shaft, two No. 2 vertical shafts symmetrical to the No. 1 hydraulic cylinder are fixedly provided at the bottom of the lifting frame, each No. 2 vertical shaft is vertically downward toward the top of the support plate, the pressure block is strip-shaped, and No. 3 sliding sleeves are fixed at both ends of the pressure block, each No. 3 sliding sleeve is sleeved on the No. 2 vertical shaft, and a No. 1 limiting nut is screwed on the lower end of each No. 2 vertical shaft, and the elastic member includes two springs respectively sleeved on the two No. 2 vertical shafts, and the two ends of the springs respectively conflict with the bottom of the lifting frame and the top of the No. 3 sliding sleeve.

[0008] Furthermore, the transmission mechanism also includes two groups of rotating wheel parts that are symmetrical about the No. 1 hydraulic cylinder, each group of rotating wheel parts includes a connecting frame and two No. 1 rollers, the connecting frame is fixedly connected to the support plate, each No. 1 roller rotates on the top of the connecting frame, the two No. 1 rollers are spaced apart along the transportation direction of the luggage leather, there are two traction ropes, and the two traction ropes correspond to the two groups of rotating wheel parts respectively, one end of each traction rope passes downward through the support plate and is fixedly connected to the corresponding No. 2 sliding sleeve, and the other end of each traction rope passes from above around the two No. 1 rollers and is fixedly connected to the No. 1 sliding sleeve downward, wherein the end of the traction rope that is fixed downward to the No. 2 sliding sleeve is in a relaxed state, and a No. 2 limit nut for limiting the descending stroke of the No. 1 sliding sleeve is screwed on each No. 1 vertical shaft.

[0009] Furthermore, two horizontal square sticks are fixed on the support table, and the two square sticks are symmetrical about the pallet. The length direction of each square stick is consistent with the transportation direction of the luggage leather. Each set of pneumatic clamps is fixedly connected with a No. 4 sliding sleeve, one end of the No. 4 sliding sleeve is a closed structure, and the other end is an open structure. A rectangular sliding groove is provided in the No. 4 sliding sleeve, and the No. 4 sliding sleeve is mounted on the corresponding square stick through the opening at one end thereof.

[0010] Furthermore, each towing member includes a pull rope, a No. 2 roller and a counterweight block. The No. 2 roller is rotatably arranged beside the No. 4 slide sleeve. The pull rope is sleeved on the No. 2 roller. One end of the pull rope is horizontally fixedly connected to the closed end of the corresponding No. 4 slide sleeve, and the other end of the pull rope is vertically downward. The counterweight block is fixedly connected to the vertical end of the pull rope. A horizontal support rod is fixedly provided at the bottom of each No. 4 slide sleeve, and two blocks corresponding to the two support rods are fixedly provided on the support platform.

[0011] Furthermore, the reset member includes two groups of telescopic abutment members, each group of telescopic abutment members includes a lifting rod and a strip seat, the strip seat is vertically fixed on the support platform, the lifting rod slides on the strip seat in the vertical direction, each block is fixedly connected to the corresponding strip seat, a No. 1 inclined plane is formed on the top of the lifting rod, a No. 2 inclined plane is formed on one end of the support rod, the No. 1 inclined plane cooperates with the No. 2 inclined plane wedge, a horizontal connecting rod is provided between the two lifting rods, and a number of No. 2 hydraulic cylinders are provided below the connecting rod and are equidistantly distributed along the length direction of the connecting rod, each No. 2 hydraulic cylinder is vertical, and the output end of each No. 2 hydraulic cylinder is fixedly connected upward to the bottom of the connecting rod.

[0012] A method for preparing oily bio-based luggage leather, the method comprising the following steps:

[0013] S1, placing the rolled luggage leather on the unwinding rack, and placing one end of the luggage leather on the conveyor table;

[0014] S2, when one end of the luggage leather passes through the cutting machine, the secondary pressing mechanism is started;

[0015] S3, when the pressing block is pressed downwardly against the luggage leather, the pneumatic clamp is started to clamp the luggage leather, and the luggage leather is straightened by the dragging member;

[0016] S4, when the luggage leather is stretched straight, start the cutting machine;

[0017] S5, after the bag leather is cut, the pneumatic clamp is reset through the reset part.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] Firstly, the downward tensioning assembly of the device enables the cutting machine to cut the luggage leather during transportation, thereby improving production efficiency. At the same time, during the cutting process, the conveyor table does not need to be repeatedly started and stopped, further improving the service life of the conveyor table;

[0020] Secondly, the straightening component of the device enables the luggage leather to be in a straightened state before cutting, and the entire straightening process is carried out automatically, without the need for manual holding of the end of the luggage leather to straighten the luggage leather, thereby reducing labor costs and further improving production efficiency;

[0021] Thirdly, the top shaft in the downward tensioning assembly of the device is used to tighten the luggage leather upwards, so as to prevent the luggage leather from being wrinkled on the surface due to its own bulge when it is continuously output forward after being pressed by the pressing block. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 is a schematic diagram of the three-dimensional structure of an embodiment;

[0023] Figure 2 It is a three-dimensional structural schematic diagram of the downward tensioning assembly;

[0024] Figure 3 yes Figure 2 A1 is a partial enlarged schematic diagram;

[0025] Figure 4 yes Figure 2 A2 is a partial enlarged schematic diagram;

[0026] Figure 5 It is a three-dimensional structural schematic diagram of the straightening component;

[0027] Figure 6 yes Figure 5 A3 is a partial enlarged schematic diagram;

[0028] Figure 7 This is a three-dimensional structural exploded diagram of the No. 4 slide and square stick;

[0029] Figure 8is a top view of the pressing tensioning assembly and the straightening assembly;

[0030] Fig. 9 yes Figure 8 Section view along line AA;

[0031] Fig.10 yes Fig. 9 A4 is a partial enlarged schematic diagram;

[0032] Fig.11 yes Fig. 9 A partial enlarged schematic diagram indicated by A5;

[0033] Fig.12 yes Fig. 9 A partial enlarged schematic diagram indicated by A6;

[0034] Fig.13 is a plan view of the downward tensioning assembly;

[0035] Fig.14 yes Fig.13 A schematic enlarged view of the part indicated by A7.

[0036] The numbers in the figure are: 1. conveyor table; 2. unwinding frame; 3. cutting machine; 4. downward tensioning assembly; 5. straightening assembly; 6. supporting plate; 7. pressing block; 8. top shaft; 9. traction rope; 10. pneumatic clamp; 11. connecting plate; 12. ramp; 13. supporting table; 14. strip plate; 15. No. 1 vertical axis; 16. axis frame; 17. No. 1 sliding sleeve; 18. supporting plate; 19. No. 1 hydraulic cylinder; 20. lifting frame; 21. fixed axis; 22. No. 2 sliding sleeve; 2 3. No. 2 vertical axis; 24. No. 3 sliding sleeve; 25. No. 1 limiting nut; 26. Spring; 27. Connecting frame; 28. No. 1 roller; 29. ​​No. 2 limiting nut; 30. Square stick; 31. No. 4 sliding sleeve; 32. Rectangular slide; 33. Pull rope; 34. No. 2 roller; 35. Counterweight; 36. Support rod; 37. Block; 38. Lifting rod; 39. Bar seat; 40. No. 1 inclined plane; 41. No. 2 inclined plane; 42. Connecting rod; 43. No. 2 hydraulic cylinder. DETAILED DESCRIPTION

[0037] In order to further understand the features, technical means, specific objectives and functions of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0038] refer to Figures 1 to 14The oily bio-based luggage leather preparation equipment shown in the figure includes a conveyor table 1, a reeling rack 2 and a cutting machine 3, the reeling rack 2 and the cutting machine 3 are respectively arranged at the beginning and end of the conveyor table 1, and also includes a downward pressure tensioning component 4 and a straightening component 5 both arranged at the end of the conveyor table 1, the downward pressure tensioning component 4 includes a support plate 6, a pressing block 7, a top shaft 8, a secondary downward pressure mechanism and a transmission mechanism, the support plate 6 is horizontal, the pressing block 7 and the top shaft 8 are respectively slidably arranged above and below the support plate 6 in the vertical direction, and the luggage leather conveyed by the conveyor table 1 passes through the top shaft 8, the pressing block 7, the cutting machine 3 and the straightening component 5 in sequence. The straightening component 5, the transmission mechanism includes a traction rope 9 connecting the pressure block 7 and the top shaft 8, the secondary pressing mechanism is used to first drive the pressure block 7 to press against the luggage leather, and then drive the top shaft 8 to rise through the traction rope 9, the straightening component 5 includes two groups of clamping and dragging mechanisms respectively arranged on both sides of the support plate 6, each group of clamping and dragging mechanisms includes a pneumatic clamp 10, a dragging member and a reset member, the pneumatic clamp 10 slides on the side of the support plate 6 along the conveying direction of the luggage leather, the dragging member is used to drag the pneumatic clamp 10 to straighten the end of the luggage leather, and the reset member is used to drive the pneumatic clamp 10 to reset after the luggage leather is cut.

[0039] The rolled luggage leather is placed on the unwinding rack 2, and then one end of the luggage leather is pulled onto the conveyor platform 1, and the conveyor platform 1 is started. One end of the luggage leather is driven by the conveyor platform 1 to be transported toward the cutting machine 3. In the process of the luggage leather moving toward the cutting machine 3, one end of the luggage leather will fall on the support plate 6 and pass through the top shaft 8 and the pressure block 7 in sequence. In the initial state, the pressure block 7 and the top shaft 8 are respectively located above and below the support plate 6. After the luggage leather passes the cutting machine 3, the secondary pressing mechanism will first press the pressure block 7 downward, so that the pressure block 7 will press the luggage leather downward, and then the secondary pressing mechanism will drive the traction rope 9 to drive the top shaft 8 to rise. Since the luggage leather will continue to be transported forward after being pressed downward by the pressure block 7, the luggage leather located between the pressure block 7 and the end of the conveyor platform 1 will bulge upward. At this time, the pressure block 7 and the conveyor platform 1 are lifted by the rising top shaft 8. The luggage leather is stretched upward and tightened, and finally the luggage leather between the pressing block 7 and the conveyor platform 1 is in a taut state. When the pressing block 7 presses the luggage leather downward, one end of the luggage leather has passed through the cutting machine 3. At this time, two pneumatic clamps 10 are used to clamp the two sides of the luggage leather respectively, and then the pneumatic clamps 10 are dragged outward by the dragging member, and finally the end of the luggage leather is straightened, and then the cutting machine 3 is started, and the luggage leather is cut by the cutting machine 3. When the luggage leather is cut, each group of pneumatic clamps 10 is opened, and then the cut luggage leather can be taken out. Among them, when the cut luggage leather is taken out, the reset member drives the pneumatic clamps 10 to reset, and at the same time the pressing block 7 rises, and the top shaft 8 descends through the transmission action of the traction rope 9, so that the compressed luggage leather will be transported forward through the conveyor platform 1 again, and then the above steps are repeated to achieve continuous cutting of the luggage leather.

[0040] In order to show the specific connection mode of the top shaft 8, the following features are set:

[0041] A horizontal connecting plate 11 is fixed at the end of the conveyor platform 1, one end of the connecting plate 11 is attached to the top of the conveyor platform 1, and a slope 12 is formed on the end of the connecting plate 11 attached to the top of the conveyor platform 1. The side of the connecting plate 11 is fixed to the support platform 13, and the support plate 6 is mounted on the top of the support platform 13. The tops of the support plate 6 and the connecting plate 11 are flush, and the support plate 6 and the connecting plate 11 are spaced apart along the conveying direction of the luggage leather. A horizontal connecting plate 11 is fixed below the connecting plate 11. A flat strip plate 14, the length direction of the strip plate 14 is consistent with the width direction of the conveyor platform 1, and a No. 1 vertical shaft 15 is fixedly provided at both ends of the strip plate 14. An axis frame 16 located between the connecting plate 11 and the supporting plate 6 is provided between the two No. 1 vertical shafts 15. The top shaft 8 rotates on the axis frame 16, and the axial direction of the top shaft 8 is parallel to the length direction of the strip plate 14. A No. 1 sliding sleeve 17 is fixedly provided at both ends of the axis frame 16, and each No. 1 sliding sleeve 17 is sleeved on the corresponding No. 1 vertical shaft 15.

[0042] The shaft frame 16 is used for the top shaft 8 to rotate. The shaft frame 16 slides between the two No. 1 vertical shafts 15 through the No. 1 sliding sleeves 17 on both sides of the shaft frame 16 to ensure that the top shaft 8 can only move in the vertical direction. When the luggage leather is transported to the end near the conveyor platform 1, the luggage leather will fall onto the connecting plate 11 through the slope 12. Thereafter, the luggage leather will move from the connecting plate 11 to the support plate 6. When the pressure block 7 drops, the traction rope 9 will drive the top shaft 8 to rise. In this process, the top shaft 8 will move upward through the gap between the connecting plate 11 and the support plate 6. The luggage leather is lifted up, and the lifting effect of the lifting shaft 8 is used to ensure that the luggage leather will remain in a taut state after being pressed by the pressing block 7. A pressing shaft (not shown in the figure) is fixed on the conveyor platform 1 to press the luggage leather downward. The pressing shaft can rotate so as not to affect the transportation of the luggage leather. When the pressing shaft is installed, the pressing shaft is close to the connecting plate 11. When the lifting shaft 8 lifts the luggage leather upward, the pressing shaft is used to ensure that the luggage leather is in contact with the conveyor platform 1, so that the luggage leather can always be driven and transported by the conveyor platform 1.

[0043] In order to show the specific structure of the secondary pressing mechanism, the following features are set:

[0044] The secondary pressing mechanism includes a support plate 18, a No. 1 hydraulic cylinder 19, a lifting frame 20 and an elastic member. The support plate 18 is horizontally fixed on the support platform 13, the No. 1 hydraulic cylinder 19 is vertically fixed on the top of the support plate 18, and the lifting frame 20 is arranged below the support plate 18. The output end of the No. 1 hydraulic cylinder 19 passes downward through the support plate 18 and is fixedly connected to the lifting frame 20. Two fixed shafts 21 symmetrical to the No. 1 hydraulic cylinder 19 are fixed between the support plate 18 and the support platform 13, and each fixed shaft 21 is vertical. A No. 2 sliding sleeve 22 is fixed at both ends of the lifting frame 20, and each No. 2 sliding sleeve 22 They are all sleeved on the corresponding fixed shafts 21. Two No. 2 vertical shafts 23 symmetrical to the No. 1 hydraulic cylinder 19 are fixedly provided at the bottom of the lifting frame 20. Each No. 2 vertical shaft 23 is vertically downward toward the top of the support plate 6. The pressure block 7 is in a strip shape. No. 3 sliding sleeves 24 are fixed at both ends of the pressure block 7. Each No. 3 sliding sleeve 24 is sleeved on the No. 2 vertical shaft 23. A No. 1 limiting nut 25 is screwed on the lower end of each No. 2 vertical shaft 23. The elastic member includes two springs 26 respectively sleeved on the two No. 2 vertical shafts 23. The two ends of the spring 26 respectively conflict with the bottom of the lifting frame 20 and the top of the No. 3 sliding sleeve 24.

[0045] The lower end of each No. 2 vertical shaft 23 is a threaded end, and the No. 1 limit nut 25 is screwed on the lower end of the No. 2 vertical shaft 23. In the initial state, the No. 1 hydraulic cylinder 19 drives the lifting frame 20 to rise. At this time, the spring 26 completely releases its elastic force, and the pressure block 7 will be driven to move downward relative to the No. 2 vertical shaft 23 until the No. 3 sliding sleeve 24 on each end of the pressure block 7 is downward and conflicts with the No. 1 limit nut 25. When the luggage leather passes the cutting machine 3, the No. 1 hydraulic cylinder 19 drives the lifting frame 20 to descend. During this process, the pressure block 7 located under the lifting frame 20 will first contact the luggage leather. When the pressure block 7 presses the luggage leather, the lifting frame 20 will continue to descend. At this time, the descending lifting frame 20 will compress the spring 26, so that the spring 26 generates elastic force. In the process of the spring 26 being compressed, the descending lifting frame 20 will drive the top shaft 8 to rise through the traction rope 9.

[0046] In order to show the specific structure of the transmission mechanism, the following features are set:

[0047] The transmission mechanism also includes two groups of rotating wheel parts that are symmetrical about the No. 1 hydraulic cylinder 19, each group of rotating wheel parts includes a connecting frame 27 and two No. 1 rollers 28, the connecting frame 27 is fixedly connected to the support plate 18, each No. 1 roller 28 rotates on the top of the connecting frame 27, and the two No. 1 rollers 28 are spaced apart along the transportation direction of the luggage leather. There are two traction ropes 9, and the two traction ropes 9 correspond to the two groups of rotating wheel parts respectively. One end of each traction rope 9 passes downward through the support plate 18 and is fixedly connected to the corresponding No. 2 sliding sleeve 22, and the other end of each traction rope 9 passes around the two No. 1 rollers 28 from above and is fixedly connected to the No. 1 sliding sleeve 17 downward, wherein the end of the traction rope 9 that is fixedly connected downward to the No. 2 sliding sleeve 22 is in a relaxed state, and a No. 2 limit nut 29 for limiting the descending stroke of the No. 1 sliding sleeve 17 is screwed on each No. 1 vertical shaft 15.

[0048] In the initial state, the lifting frame 20 is in an ascending state, and the top shaft 8 is in a descending state. At this time, the No. 1 sliding sleeve 17 arranged at both ends of the top shaft 8 will conflict with the No. 2 limit nut 29 downward. At the same time, the end of the traction rope 9 fixedly connected to the No. 2 sliding sleeve 22 downward is in a relaxed state. When the No. 1 hydraulic cylinder 19 drives the lifting frame 20 to descend, the lifting frame 20 will drive the relaxed end of the traction rope 9 to gradually straighten. In the process of straightening the traction rope 9, the pressure block 7 is pressed downward against the luggage leather. When the traction rope 9 is straightened, the lifting frame 20 continues to descend. In this process, the lifting frame 20 will compress the spring 26, and the No. 2 sliding sleeve 22 will drive the straightened end of the traction rope 9 to descend. Then, when one end of the traction rope 9 is driven to descend by the No. 2 sliding sleeve 22, the other end of the traction rope 9 Then it will drive the No. 1 slide sleeve 17 to rise. When the two No. 1 slide sleeves 17 rise synchronously, the two No. 1 slide sleeves 17 will synchronously drive the shaft frame 16 to drive the top shaft 8 to rise. Finally, through the above steps, it is ensured that before the top shaft 8 rises, the luggage leather has been pressed downward by the pressure block 7. When the luggage leather is cut off, the subsequent luggage leather needs to be driven to the cutting machine 3 again. At this time, the No. 1 hydraulic cylinder 19 drives the lifting frame 20 to rise. After the lifting frame 20 rises, the pressure block 7 will be gradually lifted until it is separated from the luggage leather. At the same time, the top shaft 8 descends by its own weight. When the lifting frame 20 rises to the initial state, the No. 1 slide sleeve 17 will go down and collide with the No. 2 limit nut 29 again, and the end of the traction rope 9 that is fixed downward to the No. 2 slide sleeve 22 will be in a relaxed state again.

[0049] In order to demonstrate the specific connection mode of the pneumatic clamp 10, the following features are set:

[0050] Two horizontal square rods 30 are fixedly provided on the support platform 13, and the two square rods 30 are symmetrical about the pallet 6. The length direction of each square rod 30 is consistent with the transportation direction of the luggage leather. A No. 4 sliding sleeve 31 is fixedly connected to each set of pneumatic clamps 10. One end of the No. 4 sliding sleeve 31 is a closed structure, and the other end is an open structure. A rectangular sliding groove 32 is provided in the No. 4 sliding sleeve 31, and the No. 4 sliding sleeve 31 is sleeved on the corresponding square rod 30 through the opening at one end thereof.

[0051] When the No. 4 slide sleeve 31 slides on the square rod 30, since the rectangular slide groove 32 cooperates with the square rod 30, the No. 4 slide sleeve 31 will only slide along the length direction of the square rod 30 and will not rotate, thereby ensuring that the pneumatic clamp 10 can drive one end of the luggage leather to be straightened along the transportation direction of the luggage leather.

[0052] In order to show the specific structure of the dragging part, the following features are set:

[0053] Each dragging member includes a pull rope 33, a second roller 34 and a counterweight 35. The second roller 34 is rotatably arranged beside the fourth sleeve 31. The pull rope 33 is sleeved on the second roller 34. One end of the pull rope 33 is horizontally fixedly connected to the closed end of the corresponding fourth sleeve 31, and the other end of the pull rope 33 is vertically downward. The counterweight 35 is fixedly connected to the vertical end of the pull rope 33. A horizontal support rod 36 is fixedly provided at the bottom of each fourth sleeve 31, and two blocks 37 corresponding to the two support rods 36 are fixedly provided on the support platform 13.

[0054] The counterweight block 35 pulls one end of the pull rope 33 by its own weight, so that the other end of the pull rope 33 will drive the No. 4 sliding sleeve 31 to move toward the No. 2 roller 34. Thereafter, the support rod 36 will conflict with the stop block 37 to prevent the No. 4 sliding sleeve 31 from separating from the square stick 30. When the counterweight block 35 pulls the pull rope 33, since the No. 4 sliding sleeve 31 will move toward the No. 2 roller 34, the two sets of pneumatic clamps 10 will clamp one end of the luggage leather and straighten the luggage leather.

[0055] In order to show the specific structure of the reset part, the following features are set:

[0056] The reset member includes two groups of telescopic abutments, each group of telescopic abutments includes a lifting rod 38 and a strip seat 39, the strip seat 39 is vertically fixed on the support platform 13, the lifting rod 38 slides on the strip seat 39 along the vertical direction, each block 37 is fixedly connected to the corresponding strip seat 39, a No. 1 inclined surface 40 is formed on the top of the lifting rod 38, a No. 2 inclined surface 41 is formed at one end of the support rod 36, the No. 1 inclined surface 40 and the No. 2 inclined surface 41 are wedge-matched, a horizontal connecting rod 42 is provided between the two lifting rods 38, and a number of No. 2 hydraulic cylinders 43 are provided below the connecting rod 42 and are equidistantly distributed along the length direction of the connecting rod 42, each No. 2 hydraulic cylinder 43 is vertical, and the output end of each No. 2 hydraulic cylinder 43 is fixedly connected upward to the bottom of the connecting rod 42.

[0057] When the counterweight 35 pulls one end of the pull rope 33 to pull the No. 4 sliding sleeve 31 to slide toward the No. 2 roller 34, the support rod 36 will conflict with the stopper 37 to prevent the No. 4 sliding sleeve 31 from being separated from the square stick 30. When the two sets of pneumatic clamps 10 need to be reset, several No. 2 hydraulic cylinders 43 will synchronously drive the connecting rod 42 to rise. When the connecting rod 42 rises, the connecting rod 42 will drive the two lifting rods 38 to rise synchronously, so as to cooperate with the inclined wedge through the No. 1 inclined surface 40 and the No. 2 inclined surface 41. , the support rod 36 will be resisted by the lifting rod 38 and displaced in the opposite direction, finally realizing the resetting of the pneumatic clamp 10. When the pneumatic clamp 10 clamps the subsequent luggage leather, the No. 2 hydraulic cylinder 43 will drive the connecting rod 42 to descend, so that the connecting rod 42 will drive the two lifting rods 38 to descend synchronously, then the support rod 36 will be separated from the lifting rod 38, and the No. 4 sliding sleeve 31 will be pulled by the pull rope 33 again to displace toward the No. 2 roller 34, so that the pneumatic clamp 10 will pull the end of the luggage leather again to straighten the luggage leather.

[0058] A method for preparing oily bio-based luggage leather, the method comprising the following steps:

[0059] S1, placing the rolled luggage leather on the unwinding rack 2, and placing one end of the luggage leather on the conveyor table 1;

[0060] Place the rolled luggage leather on the unwinding rack 2, then pull one end of the luggage leather onto the conveyor table 1, start the conveyor table 1, and drive one end of the luggage leather toward the cutting machine 3 through the conveyor table 1. In the process of the luggage leather moving towards the cutting machine 3, one end of the luggage leather will fall on the pallet 6 and pass through the top shaft 8 and the pressing block 7 in sequence.

[0061] S2, when one end of the luggage leather passes the cutting machine 3, the secondary pressing mechanism is started;

[0062] In the initial state, the pressing block 7 and the top shaft 8 are respectively located above and below the support plate 6. When the luggage leather passes the cutting machine 3, the secondary pressing mechanism will first press the pressing block 7 downward, so that the pressing block 7 will press the luggage leather downward. Thereafter, the secondary pressing mechanism will drive the traction rope 9 to drive the top shaft 8 to rise. Since the luggage leather will continue to be transported forward after being pressed downward by the pressing block 7, the luggage leather located between the pressing block 7 and the end of the conveyor platform 1 will bulge upward. At this time, the luggage leather between the pressing block 7 and the conveyor platform 1 is tightened upward by the rising top shaft 8, finally ensuring that the luggage leather between the pressing block 7 and the conveyor platform 1 is in a taut state.

[0063] S3, when the pressing block 7 is pressed downwardly against the luggage leather, the pneumatic clamping claw 10 is started to clamp the luggage leather, and the luggage leather is straightened by the dragging member;

[0064] When the pressing block 7 presses the luggage leather downward, one end of the luggage leather has passed through the cutting machine 3. At this time, two pneumatic clamps 10 clamp the two sides of the luggage leather respectively, and then the pneumatic clamps 10 are dragged outward by the dragging member to finally straighten the end of the luggage leather.

[0065] S4, when the bag leather is stretched straight, start the cutting machine 3;

[0066] The case leather is cut by the cutting machine 3. After the case leather is cut, each set of pneumatic clamps 10 is opened, and then the cut case leather can be taken out.

[0067] S5, after the bag leather is cut, the pneumatic clamp 10 is reset by the reset member.

[0068] When the cut luggage leather is taken out, the reset part drives the pneumatic clamp 10 to reset, and at the same time the pressing block 7 rises, and the top shaft 8 descends through the transmission action of the traction rope 9, so that the compressed luggage leather will be transported forward again through the conveyor table 1, and then the above steps are repeated to achieve continuous cutting of the luggage leather.

[0069] The above embodiments only express one or several implementation modes of the present invention, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the present invention. It should be pointed out that, for a person of ordinary skill in the art, several modifications and improvements can be made without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the present invention patent shall be subject to the attached claims.

Claims

1. An oily bio-based luggage leather preparation device, comprising a conveyor platform (1), a reeling frame (2) and a cutting machine (3), wherein the reeling frame (2) and the cutting machine (3) are respectively arranged at the beginning and the end of the conveyor platform (1), characterized in that: The machine also includes a downward pressing tensioning assembly (4) and a straightening assembly (5) both of which are arranged at the end of the conveyor platform (1). The downward pressing tensioning assembly (4) includes a support plate (6), a pressure block (7), a top shaft (8), a secondary downward pressing mechanism and a transmission mechanism. The support plate (6) is horizontal. The pressure block (7) and the top shaft (8) are slidably arranged above and below the support plate (6) in a vertical direction. The bag leather conveyed by the conveyor platform (1) passes through the top shaft (8), the pressure block (7), the cutting machine (3) and the straightening assembly (5) in sequence. The transmission mechanism includes a traction mechanism connecting the pressure block (7) and the top shaft (8). The guide rope (9) is used for first driving the pressure block (7) to press against the luggage leather, and then driving the top shaft (8) to rise through the traction rope (9). The straightening component (5) includes two groups of clamping and dragging mechanisms respectively arranged on both sides of the support plate (6). Each group of clamping and dragging mechanisms includes a pneumatic clamping claw (10), a dragging member and a reset member. The pneumatic clamping claw (10) slides on the side of the support plate (6) along the conveying direction of the luggage leather. The dragging member is used to drag the pneumatic clamping claw (10) to straighten the end of the luggage leather. The reset member is used to drive the pneumatic clamping claw (10) to reset after the luggage leather is cut.

2. The equipment for preparing oily bio-based luggage leather according to claim 1, characterized in that: A horizontal connecting plate (11) is fixedly provided at the end of the conveyor platform (1), one end of the connecting plate (11) is attached to the top of the conveyor platform (1), a slope (12) is formed on the end of the connecting plate (11) attached to the top of the conveyor platform (1), the side of the connecting plate (11) is fixedly provided on the support platform (13), the support plate (6) is mounted on the top of the support platform (13), the tops of the support plate (6) and the connecting plate (11) are flush, and the support plate (6) and the connecting plate (11) are spaced apart along the conveying direction of the luggage leather, and a horizontal connecting plate (12) is fixedly provided below the connecting plate (11). The strip plate (14) is provided with a strip plate (14), the length direction of the strip plate (14) is consistent with the width direction of the conveyor platform (1), a No. 1 vertical shaft (15) is fixedly provided at both ends of the strip plate (14), an axis frame (16) located between the connecting plate (11) and the supporting plate (6) is provided between the two No. 1 vertical shafts (15), a top shaft (8) rotates on the axis frame (16), the axial direction of the top shaft (8) is parallel to the length direction of the strip plate (14), and a No. 1 sliding sleeve (17) is fixedly provided at both ends of the axis frame (16), and each No. 1 sliding sleeve (17) is sleeved on the corresponding No. 1 vertical shaft (15).

3. The equipment for preparing oily bio-based luggage leather according to claim 2, characterized in that: The secondary pressing mechanism comprises a support plate (18), a No. 1 hydraulic cylinder (19), a lifting frame (20) and an elastic member, wherein the support plate (18) is horizontally fixed on the support platform (13), the No. 1 hydraulic cylinder (19) is vertically fixed on the top of the support plate (18), the lifting frame (20) is arranged below the support plate (18), the output end of the No. 1 hydraulic cylinder (19) passes downward through the support plate (18) and is fixedly connected to the lifting frame (20), two fixed shafts (21) symmetrical to the No. 1 hydraulic cylinder (19) are fixed between the support plate (18) and the support platform (13), each fixed shaft (21) is vertical, and No. 2 sliding sleeves (22) are fixed at both ends of the lifting frame (20), and each No. 2 sliding sleeve (22) is fixedly connected to the support plate (18). 2) are sleeved on the corresponding fixed shaft (21), two No. 2 vertical shafts (23) are fixedly provided at the bottom of the lifting frame (20) in a symmetrical state with respect to the No. 1 hydraulic cylinder (19), each No. 2 vertical shaft (23) is vertically downward toward the top of the support plate (6), the pressing block (7) is in a strip shape, and No. 3 sliding sleeves (24) are fixedly provided at both ends of the pressing block (7), each No. 3 sliding sleeve (24) is sleeved on the No. 2 vertical shaft (23), and a No. 1 limiting nut (25) is screwed on the lower end of each No. 2 vertical shaft (23), and the elastic member includes two springs (26) respectively sleeved on the two No. 2 vertical shafts (23), and the two ends of the spring (26) are respectively in conflict with the bottom of the lifting frame (20) and the top of the No. 3 sliding sleeve (24).

4. The equipment for preparing oily bio-based luggage leather according to claim 3, characterized in that: The transmission mechanism further comprises two groups of rotating wheel members which are symmetrical with respect to the No. 1 hydraulic cylinder (19), each group of rotating wheel members comprises a connecting frame (27) and two No. 1 rollers (28), the connecting frame (27) is fixedly connected to the support plate (18), each No. 1 roller (28) rotates on the top of the connecting frame (27), the two No. 1 rollers (28) are spaced apart along the transportation direction of the luggage leather, the number of the traction ropes (9) is two, and the two traction ropes (9) correspond to the two groups of rotating wheel members respectively. One end of each traction rope (9) passes through the support plate (18) downwards and is fixedly connected to the corresponding No. 2 sliding sleeve (22), and the other end of each traction rope (9) passes through two No. 1 rollers (28) from above and is fixedly connected to the No. 1 sliding sleeve (17) downwards, wherein the end of the traction rope (9) fixedly connected to the No. 2 sliding sleeve (22) downwards is in a relaxed state, and each No. 1 vertical shaft (15) is screwed with a No. 2 limit nut (29) for limiting the descending stroke of the No. 1 sliding sleeve (17).

5. The equipment for preparing oily bio-based luggage leather according to claim 2, characterized in that: Two horizontal square rods (30) are fixedly provided on the support platform (13), the two square rods (30) are symmetrical with respect to the support plate (6), the length direction of each square rod (30) is consistent with the transportation direction of the luggage leather, each set of pneumatic clamping jaws (10) is fixedly connected with a No. 4 sliding sleeve (31), one end of the No. 4 sliding sleeve (31) is a closed structure, and the other end is an open structure, a rectangular sliding groove (32) is provided in the No. 4 sliding sleeve (31), and the No. 4 sliding sleeve (31) is sleeved on the corresponding square rod (30) through the opening at one end thereof.

6. The equipment for preparing oily bio-based luggage leather according to claim 5, characterized in that: Each dragging member comprises a pull rope (33), a second roller (34) and a counterweight (35); the second roller (34) is rotatably arranged beside the fourth sliding sleeve (31); the pull rope (33) is sleeved on the second roller (34); one end of the pull rope (33) is horizontally fixedly connected to the closed end of the corresponding fourth sliding sleeve (31); the other end of the pull rope (33) is vertically downward; the counterweight (35) is fixedly connected to the vertical end of the pull rope (33); a horizontal support rod (36) is fixedly arranged at the bottom of each fourth sliding sleeve (31); and two stoppers (37) corresponding to the two support rods (36) are fixedly arranged on the support platform (13).

7. The equipment for preparing oily bio-based luggage leather according to claim 6, characterized in that: The reset member comprises two groups of telescopic abutment members, each group of telescopic abutment members comprises a lifting rod (38) and a strip seat (39), the strip seat (39) is vertically fixed on the support platform (13), the lifting rod (38) slides on the strip seat (39) in a vertical direction, each stopper (37) is fixedly connected to the corresponding strip seat (39), a No. 1 inclined surface (40) is formed on the top of the lifting rod (38), a No. 2 inclined surface (41) is formed on one end of the support rod (36), the No. 1 inclined surface (40) and the No. 2 inclined surface (41) are wedge-matched, a horizontal connecting rod (42) is provided between the two lifting rods (38), a plurality of No. 2 hydraulic cylinders (43) are equidistantly distributed along the length direction of the connecting rod (42) are provided below the connecting rod (42), each No. 2 hydraulic cylinder (43) is vertical, and the output end of each No. 2 hydraulic cylinder (43) is fixedly connected upward to the bottom of the connecting rod (42).

8. A method for preparing oily bio-based luggage leather, applied to the oily bio-based luggage leather preparation equipment as claimed in claim 1, characterized in that: The preparation method comprises the following steps: S1, placing the rolled luggage leather on a roll unwinding rack (2), and placing one end of the luggage leather on a conveyor table (1); S2, when one end of the luggage leather passes through the cutting machine (3), the secondary pressing mechanism is started; S3, when the pressing block (7) is pressed downwardly against the luggage leather, the pneumatic clamping claw (10) is activated to clamp the luggage leather, and the luggage leather is straightened by the dragging member; S4, when the luggage leather is stretched straight, start the cutting machine (3); S5, after the bag leather is cut, the pneumatic clamping jaw (10) is reset by the reset member.

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