Variable-pitch slitting device for leather processing

Abstract

The utility model discloses a variable-pitch slitting device for leather processing. The variable-pitch slitting device comprises a main body structure, the main body structure comprises a base table, a conveying roller used for conveying leather and a slitting mechanism. The slitting mechanism comprises an n-shaped plate and a slitting knife which are arranged on the base table, a sliding seat set is arranged at the bottom of the n-shaped plate, and the slitting knife is installed at the lower end of a sliding seat of the sliding seat set. The distance changing mechanism is used for changing the distance of the slitting knife; the distance changing mechanism comprises an air cylinder installed on the outer wall of one side of the n-shaped plate and a telescopic frame used for changing the distance, the first sliding base is fixedly connected to the middle of the connecting plate, the second sliding base is connected to the connecting plate in a sliding and sleeving mode, and the telescopic frame is driven by the air cylinder. According to the leather slitting device, leather can be slit at multiple stations at the same time through the arrangement of the slitting mechanism, the leather slitting efficiency is improved, meanwhile, the width of a slit leather strip can be adjusted according to actual needs through the arrangement of the distance changing mechanism, and the practicability of the leather slitting device is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of leather processing equipment, in particular to a variable-pitch slitting device for leather processing. Background Art

[0002] With the development of modern manufacturing, more and more leather processing processes tend to be automated. As an important part of leather processing, leather cutting also needs to adapt to this trend to improve production efficiency and reduce labor intensity. Different leather products may require leather of different specifications and sizes. Cutting can meet the market demand for diversified leather products. By dividing large pieces of leather into small pieces, leather resources can be more fully utilized, waste can be reduced, and the overall utilization rate of leather can be improved.

[0003] After searching, the Chinese patent application number is: CN201920574376.1, which discloses a leather strip cutting machine. The key points of its technical solution are: it includes a frame and a cutting device arranged on the frame, the frame is provided with a rotating shaft for carrying leather rolls in the horizontal direction, the rotating shaft is rotatably carried on the upper surface of the frame, the frame is provided with a first motor for driving the rotating shaft to rotate, one end of the rotating shaft is provided with a first baffle, and the other end of the rotating shaft is provided with a limiting assembly, the limiting assembly includes a sleeve sleeved on the rotating shaft and a second baffle arranged on the side wall of the sleeve, the two ends of the leather roll are respectively abutted against the two ends of the first baffle and the second baffle, and the side wall of the sleeve is provided with a fixing assembly. The leather strip cutting machine enables the leather roll to be processed to be firmly fixed on the rotating shaft, thereby improving the cutting accuracy and reducing the waste of materials.

[0004] The above technical solution still has defects. When slitting leather, multiple stations cannot be operated simultaneously. The slitting process for a whole roll of leather is too long, which reduces the efficiency of leather processing. Therefore, we need to propose a variable-distance slitting device for leather processing. Utility Model Content

[0005] The purpose of the utility model is to provide a variable-pitch slitting device for leather processing. The device has a simple structure and is easy to use. Through the setting of the slitting mechanism, the leather can be slid at multiple stations simultaneously, thereby improving the efficiency of leather slitting. At the same time, the setting of the variable-pitch mechanism can adjust the width of the slit leather strips according to actual needs, thereby greatly improving the practicability of the device and solving the problems raised in the above-mentioned background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A variable-pitch slitting device for leather processing, comprising:

[0008] Main structure;

[0009] The main structure comprises a base and a conveying roller for conveying leather, wherein the conveying roller is mounted on the base;

[0010] Slitting mechanism;

[0011] The slitting mechanism comprises a rib-shaped plate and a slitting knife arranged on a base, a slide group is arranged at the bottom of the rib-shaped plate, the slides in the slide group comprise a first slide and a second slide, the first slide is a group of slides in the middle of the slide group, the second slides are equidistantly distributed on both sides of the first slide, and a slitting knife is installed at the lower end of the slide of the slide group;

[0012] A pitch-changing mechanism for changing the pitch of the slitting knife;

[0013] The pitch changing mechanism comprises a cylinder installed on the outer wall of one side of the shaped plate and a telescopic frame for changing the pitch, a connecting plate is arranged between the inner walls on both sides of the shaped plate, the first slide is fixedly connected to the middle of the connecting plate, the second slide is slidably sleeved on the connecting plate, the telescopic frame is hinged together by a plurality of groups of cross arms, and the intersection of the telescopic frame is hinged to one side surface of the slide, and the telescopic frame is driven by a cylinder.

[0014] Preferably, a protrusion is provided on the side wall of the second slide seat of the outermost group, and the end of the piston rod of the cylinder passes through the outer wall of the convex plate and is fixedly connected to the protrusion.

[0015] Preferably, a fixed seat is provided at the lower end of the slide of the slide assembly, and a cavity for installing a slitting knife is provided inside the fixed seat.

[0016] Preferably, the slitting knife comprises a blade and a handle, a positioning block is provided at the upper end of the handle, and a positioning hole is provided on the handle.

[0017] Preferably, a socket for inserting a knife handle is provided at the bottom of the cavity of the fixing seat, a positioning groove is provided at the top of the cavity, the knife handle passes through the socket and the positioning block is inserted into the positioning groove.

[0018] Preferably, a threaded boss connected to the cavity is provided on one side outer wall of the fixing seat, a positioning screw is installed on the internal thread of the threaded boss, a knob is provided at one end of the positioning screw, and the other end of the positioning screw passes through the positioning hole on the tool handle and abuts against the inner wall of the cavity.

[0019] Compared with the prior art, the beneficial effects of the utility model are:

[0020] The utility model is provided with a main body mechanism including a base and a conveying roller, a slitting mechanism including a rib-shaped plate and a slitting knife is provided on the base, a slide group is provided at the bottom of the rib-shaped plate, the slitting knife is installed at the slide lower end of the slide group, and a variable distance mechanism including a cylinder and a telescopic frame is also provided, the intersection of the telescopic frame is connected to the slide and is driven by the cylinder. The device has a simple structure and is easy to use. The setting of the slitting mechanism can perform multi-station slitting on leather at the same time, thereby improving the efficiency of leather slitting. At the same time, the setting of the variable distance mechanism can adjust the width of the slit leather strips according to actual needs, thereby greatly improving the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the structure of the utility model;

[0022] Figure 2 It is a structural schematic diagram of the pitch-changing mechanism of the utility model;

[0023] Figure 3 It is a structural schematic diagram of the fixing seat of the utility model.

[0024] In the figure: 1, base; 2, conveyor roller; 3, shaped plate; 4, connecting plate; 5, slide assembly; 6, telescopic frame; 7, slitting knife; 701, blade; 702, knife handle; 8, protrusion; 9, cylinder; 10, fixed seat; 11, cavity; 12, socket; 13, positioning groove; 14, positioning block; 15, positioning hole; 16, threaded boss; 17, positioning screw. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-2 , the utility model provides a technical solution:

[0027] A variable-pitch leather processing slitting device, comprising:

[0028] The main structure includes a base 1 and a conveying roller 2 for conveying leather, and the conveying roller 2 is installed on the base 1;

[0029] Slitting mechanism; the slitting mechanism includes a convex plate 3 and a slitting knife 7 arranged on a base 1, a slide group 5 is arranged at the bottom of the convex plate 3, the slides in the slide group 5 include a first slide and a second slide, the first slide is a group of slides in the middle of the slide group 5, and the second slides are equidistantly distributed on both sides of the first slide, and the slitting knife 7 is installed at the lower end of the slide of the slide group 5;

[0030] In actual use, the leather fabric is transported by the conveying roller 2. When the leather fabric passes under the shaped plate 3, it encounters multiple groups of equidistantly distributed slitting knives 7. Under the action of the multiple groups of slitting knives 7, the leather fabric is divided into multiple strips, which can be rolled up by the winding device. The setting of the slitting mechanism can simultaneously slit the leather at multiple stations, thereby improving the efficiency of leather slitting.

[0031] See also Figure 1-2 :

[0032] The present application includes a pitch-changing mechanism for changing the pitch of the slitting knife 7; the pitch-changing mechanism includes a cylinder 9 installed on the outer wall of one side of the shaped plate 3 and a telescopic frame 6 for changing the pitch, a connecting plate 4 is arranged between the inner walls of both sides of the shaped plate 3, a first slide is fixedly connected to the middle of the connecting plate 4, a second slide is slidably sleeved on the connecting plate 4, the telescopic frame 6 is hinged together by multiple groups of cross arms, and the intersection of the telescopic frame 6 is hinged to one side surface of the slide, and the telescopic frame 6 is driven by the cylinder 9. A convex block 8 is arranged on the side wall of the second slide located at the outermost side, and the piston rod end of the cylinder 9 penetrates the outer wall of the shaped plate 3 and is fixedly connected to the convex block 8.

[0033] By setting up a variable distance mechanism including a cylinder 9 and a telescopic frame 6, the intersection of the telescopic frame 6 is connected to the slide and driven by the cylinder 9. In actual use, when the cylinder 9 is started and the piston rod is pushed forward, the telescopic frame 6 is compressed together. Under the action of the telescopic frame 6, the spacing between the slides can be reduced, so that the cut leather strips have a narrower width; conversely, when the piston rod of the cylinder 9 retracts, the telescopic frame 6 is stretched, so that the spacing between the slides becomes larger, so that the cut leather strips have a wider width. The setting of the variable distance mechanism can adjust the width of the cut leather strips according to actual needs, which greatly improves the practicality of the device.

[0034] Also, see Figure 3 :

[0035] The lower end of the slide of the slide group 5 is provided with a fixed seat 10, and a cavity 11 for installing the slitting knife 7 is provided inside the fixed seat 10. The slitting knife 7 includes a blade 701 and a handle 702, and a positioning block 14 is provided at the upper end of the handle 702, and a positioning hole 15 is provided on the handle 702. A socket 12 for inserting the handle 702 is provided at the bottom of the cavity 11 of the fixed seat 10, and a positioning groove 13 is provided at the top of the cavity 11. The handle 702 passes through the socket 12 and the positioning block 14 is inserted into the interior of the positioning groove 13. A threaded convex sleeve 16 connected to the cavity 11 is provided on the outer wall of one side of the fixed seat 10, and a positioning screw 17 is installed on the internal thread of the threaded convex sleeve 16, and a knob is provided at one end of the positioning screw 17, and the other end of the positioning screw 17 passes through the positioning hole 15 on the handle 702 and contacts the inner wall of the cavity 11.

[0036] The fixing seat 10 with a cavity 11 is arranged at the bottom of the slide seat of the slide seat group 5, and a positioning groove 13 is arranged at the top of the cavity 11 corresponding to the positioning block 14 in the upper end of the handle 702 of the slitting knife 7. The bottom of the cavity 11 is provided with a socket 12 for the handle 702 of the slitting knife 7 to pass through. At the same time, a positioning screw 17 is installed on the inner thread of the threaded convex sleeve 16 on the outer wall of the fixing seat 10, and a positioning hole 15 is correspondingly arranged on the handle 702 of the slitting knife 7. When installing the slitting knife 7, the handle 702 of the slitting knife 7 is inserted into the cavity 11 through the socket 12 until the positioning block 14 is inserted into the positioning groove 13. The positioning screw 17 is rotated by the knob so that the end of the positioning screw 17 passes through the positioning hole 15 until it contacts the inner wall of the cavity 11, and the slitting knife 7 can be fixed. Conversely, the slitting knife 7 can also be disassembled and replaced. The structure is simple and easy to use, which can facilitate the staff to quickly and conveniently install, use and disassemble and replace the slitting knife 7.

[0037] There is a small gap between the handle 702 and the inner wall of the socket 12, and between the positioning block 14 and the inner wall of the positioning groove 13, so that the scoring cutter 7 will not be easily displaced or shaken.

[0038] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in this field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A variable-pitch leather processing slitting device, characterized in that: include: Main structure; The main structure comprises a base (1) and a conveying roller (2) for conveying leather, wherein the conveying roller (2) is mounted on the base (1); Slitting mechanism; The slitting mechanism comprises a shaped plate (3) and a slitting knife (7) arranged on a base (1); a slide group (5) is arranged at the bottom of the shaped plate (3); the slides in the slide group (5) comprise a first slide and a second slide; the first slide is a group of slides in the middle of the slide group (5); the second slides are equidistantly distributed on both sides of the first slide; the slitting knife (7) is installed at the lower end of the slide of the slide group (5); A pitch-changing mechanism for changing the pitch of the slitting knife (7); The pitch changing mechanism comprises a cylinder (9) mounted on an outer wall of one side of a shaped plate (3) and a telescopic frame (6) for changing the pitch; a connecting plate (4) is arranged between the inner walls of both sides of the shaped plate (3); the first slide is fixedly connected to the middle of the connecting plate (4); the second slide is slidably sleeved on the connecting plate (4); the telescopic frame (6) is hinged together by a plurality of groups of cross arms, and the intersection of the telescopic frame (6) is hinged to a side surface of the slide; the telescopic frame (6) is driven by the cylinder (9).

2. The variable-pitch leather processing slitting device according to claim 1, characterized in that: A convex block (8) is arranged on the side wall of the second slide seat located at the outermost side, and the piston rod end of the cylinder (9) penetrates the outer wall of the convex plate (3) and is fixedly connected to the convex block (8).

3. The variable-pitch leather processing slitting device according to claim 1, characterized in that: The lower end of the slide of the slide assembly (5) is provided with a fixed seat (10), and a cavity (11) for installing a slitting knife (7) is provided inside the fixed seat (10).

4. The variable-pitch leather processing slitting device according to claim 3, characterized in that: The slitting knife (7) comprises a blade (701) and a knife handle (702); a positioning block (14) is provided at the upper end of the knife handle (702); and a positioning hole (15) is provided on the knife handle (702).

5. The variable-pitch leather processing slitting device according to claim 4, characterized in that: The bottom of the cavity (11) of the fixing seat (10) is provided with a socket (12) for inserting the knife handle (702), and the top of the cavity (11) is provided with a positioning groove (13); the knife handle (702) passes through the socket (12) and the positioning block (14) is inserted into the interior of the positioning groove (13).

6. The variable-pitch leather processing slitting device according to claim 5, characterized in that: A threaded boss (16) connected to the cavity (11) is provided on one side outer wall of the fixing seat (10), and a positioning screw (17) is installed on the internal thread of the threaded boss (16), and a knob is provided at one end of the positioning screw (17), and the other end of the positioning screw (17) passes through the positioning hole (15) on the handle (702) and contacts the inner wall of the cavity (11).

Images