A paper roll mounting structure of a leather punching apparatus and a punching apparatus

Abstract

The utility model relates to the field of leather processing equipment, and specifically provides a paper roll mounting structure of leather punching equipment and punching equipment, including setting the placement unit on the equipment main body, the placement unit symmetry sets up at equipment main body both sides, and the both ends of the rotating shaft of paper roll are placed in the placement unit, and the placement unit includes the placement seat that is provided with the notched groove, and the opening of notched groove is on, and the length direction is opposite to the horizontal surface and inclines downward, and the both ends of paper roll rotating shaft can be placed in the notched groove and move along the length direction of notched groove, the rotating shaft of the paper roll in the utility model can be placed in the notched groove respectively, and due to the influence of gravity, the paper roll will move towards the depth of notched groove and be positioned at the end of notched groove, just need to let the paper roll accurately put into the notched groove to complete the installation of paper roll, do not need other complex mounting structure, do not need the manual fixing of paper roll of worker, can realize the faster and more efficient installation of paper roll and take out the paper roll from the notched groove, improve the convenience of paper roll feeding and discharging.

Description

Technical Field

[0001] This utility model relates to the field of leather processing equipment, specifically providing a paper roll mounting structure and punching equipment for leather punching. Background Technology

[0002] In the leather processing industry, punching is widely used in footwear, bags, automotive interiors, furniture, and clothing to improve the breathability and aesthetics of leather. Punching equipment uses a controlled, up-and-down moving punch to punch holes in leather materials. A layer of paper of a certain thickness is placed underneath the leather during punching to prevent damage from the punch hitting the work platform after penetrating the leather. In automated punching equipment, one method of changing the paper is through an automatic paper roll feed. However, this method uses large paper rolls with complex installation structures, resulting in significant labor waste and low efficiency in each installation and unloading of new or old paper rolls. Utility Model Content

[0003] On the one hand, to solve the above problems, this utility model provides a paper roll mounting mechanism for a leather punching machine, which improves the convenience of loading and unloading the paper roll while ensuring the stability of the paper roll rotation during use. The specific technical solution is as follows: A paper roll mounting structure for a leather punching device includes a placement unit disposed on the main body of the device. The placement units are symmetrically disposed on both sides of the main body of the device. The two ends of the rotating shaft of the paper roll are placed in the placement unit. The placement unit includes a placement seat with a notch. The opening of the notch is upward and inclined downward relative to the horizontal in the length direction. The two ends of the rotating shaft of the paper roll can be placed in the notch and can move along the length direction of the notch.

[0004] In this solution, the paper roll can be placed directly in the placement unit. The two ends of the paper roll can be placed in the notch slots of the two placement seats respectively. Due to the gravity of the paper roll and the shaft, the paper roll will move towards the depth of the notch slot and be positioned at the end of the notch slot. The installation of the paper roll can be completed simply by accurately placing the paper roll into the notch slot. No other complicated installation structure is required, and no worker is required to manually fix the paper roll. The paper roll can be directly installed or removed from the notch slot, which greatly improves the convenience of loading and unloading the paper roll.

[0005] Preferably, it also includes rotating bosses disposed at both ends of the paper roll shaft and coaxial with the paper roll shaft. The protrusions of the rotating bosses fit against the sidewalls of the notch groove. By setting the bosses to limit the movement, displacement of the paper roll in the axial direction can be avoided.

[0006] Secondly, since the weight of a new paper roll will gradually decrease during use, an excessively light paper roll is prone to wobbling during paper feeding or retraction. To avoid wobbling in the paper roll notch and affecting the paper feeding effect, the placement unit preferably includes a limiting part. The limiting part includes a first pusher on the placement seat and a stop at the output end of the first pusher. When the first pusher is activated, the stop can move to the notch to block the movement of the paper roll in the notch.

[0007] Preferably, the end of the stop head is rotatably disposed on the placement seat near the end of the notch groove. One end of the first pusher is rotatably connected to the middle of the stop head, and the other end is rotatably connected to the placement seat. By pushing the stop head, the first pusher can make the stop head rotate to one side and limit the rotating boss to the end of the notch groove.

[0008] In this solution, the first pusher can automatically control the movement of the stop head. After a new paper roll is put in, once the paper roll reaches the deepest part of the notch, the stop head is controlled to rotate, fixing the rotating shafts at both ends of the paper roll to the end of the notch. When it is necessary to unload the paper roll, it can automatically retract, causing the stop head to reverse, releasing the restriction on the rotating shaft of the paper roll, and allowing the paper roll to be smoothly taken out along the notch.

[0009] Thirdly, to facilitate easier insertion and removal of the paper roll, and to ensure that the paper roll, after being fixed to the mounting base, still maintains its tension due to gravity, preferably, a slide rail is provided on the main body of the device. The placement base is slidably mounted on the main body via the slide rail and can slide along the length of the notch. In this solution, by providing a movable placement base, it is ensured that the paper roll can still maintain its tension due to gravity.

[0010] Preferably, the placement unit further includes a second pusher disposed on the main body of the equipment, the second pusher pushing the placement seat to slide along the length direction of the notch. In this solution, by pushing the mounting seat with the second pusher, the entire paper roll head can be pushed out of the main body of the equipment before unloading and installation, reducing the obstruction of other structures of the main body of the equipment to the installation or disassembly of the paper roll, and also making it easier for the rotating boss of the paper roll to be placed into the notch.

[0011] Preferably, the opening of the notch is provided with an upward bending angle, which bends outward relative to the length direction of the notch, to ensure that the paper roll will not fall out of the notch due to shaking or inertia when it is not fixed by the limiting part.

[0012] Preferably, the mounting base includes an upper fixed plate and a lower rotating plate, the lower rotating plate and the upper fixed plate forming the notch groove, the upper fixed plate is fixedly mounted on the main body of the equipment, one end of the lower rotating plate is rotatably connected to the main body of the equipment, and the rotation of the lower rotating plate is driven by a third pusher.

[0013] A leather punching device includes a main body, on which a punching platform and punching cutters are provided, and at the front end and / or rear end of the main body, a paper roll mounting structure as described above is provided.

[0014] Preferably, it also includes an active roller, which is positioned at the end of the notch of the paper roll mounting mechanism of the leather punching device, so that the paper roll mounted on the placement seat always abuts against the active roller.

[0015] In this scheme, because the paper roll is always oriented towards the depth of the notch due to the component of gravity, even if the paper roll becomes thinner due to use, it can always keep in contact with the drive roller. The drive roller drives the paper roll to rotate and automatically feed the paper.

[0016] The beneficial effects of this utility model are: This invention allows paper rolls to be placed directly in the placement unit. The two ends of the paper roll can be placed in the notches in the two placement seats respectively. Due to the gravity of the paper roll and the shaft, the paper roll will move towards the depth of the notch and be positioned at the end of the notch. The installation of the paper roll can be completed simply by accurately placing the paper roll into the notch. No other complicated installation structure is required, and no worker is required to manually fix the paper roll. This enables faster and more efficient installation of the paper roll and removal from the notch, greatly improving the convenience of loading and unloading paper rolls. Attached Figure Description

[0017] To more clearly illustrate the technical solution of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a three-dimensional schematic diagram of the present invention; Figure 2 This is a side view of the main body of this utility model; Figure 3 This is a schematic diagram of the placement part of this utility model; Figure 4 This is a schematic diagram of another embodiment of the placement part of this utility model; Figure 5 This utility model Figure 1Enlarged view of point A in the middle.

[0019] In the above figures, the corresponding reference numerals are as follows: 1-Main body of equipment, 11-Slide rail, 12-Second pusher, 13-Punching platform, 14-Punching cutter, 15-Active roller, 2-Placement unit, 21-Placement seat, 22-Notch groove, 221-Bending angle, 222-Upper fixing plate, 223-Lower rotating strip, 224-Third pusher, 23-Limiting part, 231-First pusher, 232-Stop, 3-Paper roll, 31-Paper roll shaft, 32-Rotating boss. Detailed Implementation

[0020] The technical solution of the present invention will be clearly and completely described in conjunction with the accompanying drawings and through specific implementation methods of the embodiments of the present invention.

[0021] A paper roll 3 mounting mechanism for a leather punching device, such as Figures 1 to 3 As shown, the device includes a placement unit 2 disposed on the main body 1. The placement unit 2 is symmetrically disposed on both sides of the main body 1. The two ends of the rotating shaft of the paper roll 3 are placed in the placement unit 2. The placement unit 2 includes a placement seat 21 with a notch 22. The opening of the notch 22 is upward and inclined downward relative to the horizontal in the length direction. The two ends of the rotating shaft 31 of the paper roll can be placed in the notch 22 and can move along the length direction of the notch 22. The notch 22 is a U-shaped notch, with the notch 22 formed in the middle. The angle α of the notch 22 downward to the horizontal plane is preferably 10-30°. The main body 1 of the equipment is also provided with a notch that matches the notch 22, so that the paper roll 3 can move to the end of the notch 22 by gravity and avoids having to overcome too much gravity to move the paper roll 3 out of the notch 22. The length direction of the notch 22 is on the same plane as the paper roll 3 feeding direction, so as to ensure that the paper roll 3 will not deviate when the roller rotates. The width of the notch 22 is always the same as the diameter of the rotating boss 32; or the opening position gradually narrows towards the end of the notch, the extra width at the end of the notch 22 is the same as the diameter of the rotating boss 32, and the end of the notch is an arc shape with the same outer diameter as the rotating boss 32.

[0022] Based on this, it also includes rotating bosses 32 located at both ends of the paper roll shaft 31 and coaxial with the paper roll shaft 31. The protrusions of the rotating bosses 32 fit against the sidewalls of the notch groove 22. By setting the rotating bosses 32 for limiting, displacement of the paper roll 3 in the axial direction can be prevented. At the same time, the rotating bosses 32 and the paper roll shaft 31 can also be connected by bearings. After the bosses are set on the shafts extending from both ends of the paper roll 3, two workers lift the paper roll 3 from the left and right, and then put the paper roll 3 into the opening of the slot in the mounting seat on each side through the rotating bosses 32. Due to the influence of the gravity of the paper and the shaft, the paper roll 3 will move towards the depth of the notch groove 22 and be positioned at the end of the notch groove 22 for rotation and paper feeding. The installation of the paper roll 3 can be completed simply by accurately placing the paper roll 3 into the notch groove 22. No other complicated installation structure is required, and no workers need to manually fix the paper roll 3. The paper roll 3 can be directly installed or removed from the notch groove 22, which greatly improves the convenience of loading and unloading the paper roll 3. It should be noted that the opening of the notch 22 is provided with an upward bending angle. The bending angle 221 does not extend outward from the lower groove wall of the notch 22, which reduces the possibility that the paper roll 3 will fall out of the notch 22 due to shaking or inertia when it is not fixed by the limiting part 23. Example

[0023] Because the weight of the new paper roll 3 will gradually decrease during use, and the rotation of the paper roll 3 is passive, in order to prevent wobbling in the notch 22 of the paper roll 3 and affect the paper feeding effect, such as Figures 1 to 5 As shown, preferably, the placement unit 2 further includes a limiting part 23. The limiting part 23 includes a first pusher 231 disposed on the placement seat 21 and a stop head 232 disposed at the output end of the first pusher 231. When the first pusher 231 is activated, the stop head 232 can be moved to the notch groove 22 to block the movement of the paper roll 3 in the notch groove 22.

[0024] Specifically, the first pushing member 231 is self-powered and can be a telescopic cylinder with a pump station, an electric push rod with an external power supply, etc. The stop head 232 is crescent-shaped, so one corner of the stop head 232 is rotatably mounted on the placement seat 21 near the end of the notch 22. The output end of the first pushing member 231 is rotatably connected to the middle of the stop head 232, while the other end of the first pushing member 231 is rotatably connected to the placement seat 21. Figure 5As shown, the first pusher 231 extends and pushes the stop 232, causing the stop 232 to rotate towards the inner circle. The inner arc of the stop 232 matches the diameter of the rotating boss 32 and can fix the rotating boss 32 at the end of the notch 22. That is, the first pusher 231 can automatically control the movement of the crescent-shaped stop 232. After a new paper roll 3 is inserted, when the paper roll 3 automatically moves to the deepest part of the notch 22, the stop 232 rotates, locking the rotating bosses 32 at both ends of the paper roll 3 at the end of the notch 22. When it is necessary to unload the paper roll 3, the first pusher 231 automatically retracts, causing the stop 232 to reverse, releasing the restriction on the rotating bosses 32 of the paper roll 3, and allowing the paper roll 3 to be smoothly taken out along the notch 22. Example

[0025] Based on the above embodiment one, in order to ensure that the paper roll 3 can still balance the tension of the paper by relying on the component of gravity after it is fixed to the mounting base, such as... Figure 3 As shown, a slide rail 11 is provided on the main body 1 of the device, and the placement seat 21 is slidably mounted on the main body 1 of the device via the slide rail 11 and can slide along the length direction of the notch 22. By providing a movable placement seat 21, it is ensured that the paper roll 3 can still balance the tension force received by the paper by relying on the component of its own gravity.

[0026] Furthermore, to facilitate the insertion or removal of the paper roll 3, the placement unit 2 also includes a second pusher 12 disposed on the main body 1 of the device. The second pusher 12 pushes the placement seat 21, allowing the placement seat 21 to slide along the length direction of the notch 22. The second pusher 12 can be an active pusher component with a driving force, such as a cylinder pusher or an electric pusher. The second pusher 12 pushes the mounting seat, allowing the placement seat 21 to move outward along the slide rail 11. This allows the entire head of the paper roll 3 to be pushed out of the main body 1 before unloading and installation, reducing the obstruction of other structures of the main body 1 to the installation or disassembly of the paper roll 3, and also making it easier for the shaft of the paper roll 3 to be placed into the notch 22. Example

[0027] Unlike the above embodiments, such as Figure 4 As shown, the mounting base includes an upper fixed plate 222 and a lower rotating strip 223. The lower rotating strip 223 and the upper fixed plate 222 form the notch 22. The upper fixed plate 222 is fixedly mounted on the main body 1 of the equipment. One end of the lower rotating strip 223 is rotatably connected to the main body 1 of the equipment. The rotation of the lower rotating strip 223 is driven by a third pusher 224.

[0028] The lower rotating plate 223 is also rotatably connected to the main body 1 at the middle position. The third pusher 224 is fixedly installed on the main body 1. The third pusher 224 can be a rotating motor installed at the middle rotating shaft of the lower rotating plate 223, which controls the rotation of the lower rotating plate 223 through gears, transmission belts and other structures.

[0029] The third pusher 224 can also be an electric push rod, a telescopic cylinder, or other mechanism. For example, in this embodiment... Figure 3 As shown, one end of the lower rotating plate 223 is an opening of the notch 22, while the other end is rotatably connected to the output end of the third pusher 224. The other end of the third pusher 224 is rotatably connected to the main body 1 of the equipment. The third pusher 224 extends and retracts to allow the lower rotating plate 223 to rotate around the pivot at the middle rotating connection, so that the width and angle of the notch 22 can change.

[0030] In this embodiment, the lower rotating plate 223 is provided with an upward bending angle at the opening of the notch 22. When the paper roll 3 is not installed, the end of the lower rotating plate 223 with the bending angle hangs down naturally. It is only necessary to place both ends of the paper roll 3 on the bending angle, and the lower rotating plate 223 is rotated toward the upper fixed plate 222 by the third pushing component. The end of the lower rotating plate 223 with the bending angle is lifted upward, and the angle between the upper fixed plate 222 and the lower rotating plate 223 becomes smaller. During this process, the gravity component of the paper roll 3 can automatically move toward the depth of the notch 22, reducing the labor intensity of the worker lifting the paper roll 3. Example

[0031] A leather punching device is provided, wherein the main body 1 of the device is provided with a punching platform 13 and a punching cutter 14, and the front end and / or rear end of the main body 1 is provided with a paper roll 3 mounting mechanism as described above. By using this device, automatic replacement of the backing paper can be achieved, and the installation of the backing paper roll 3 is also more convenient. Figure 1 As shown, preferably, paper roll 3 mounting mechanisms are provided at both the front and rear ends. The paper roll 3 mounting mechanisms are located below the punching platform 13, with one end used to place new paper rolls 3 and the other end used to place used recycled paper rolls 3.

[0032] Furthermore, the paper roll 3 in this device can be fed by rotating an active shaft to allow the paper roll 3 to rotate autonomously, or by connecting a rotating motor to the paper roll shaft 31 to allow the paper roll 3 to rotate actively. In this embodiment, it is preferable to additionally provide an active roller 15, which is placed at the end of the notch 22 of the paper roll 3 mounting mechanism of the leather punching device. The paper roll 3 mounted on the placement seat 21 is always facing the depth of the notch 22 due to the component of gravity. Under the action of the component of gravity, even if the paper roll 3 becomes thinner due to use, it can always be in contact with the active roller. The active roller 15 drives the paper roll 3 to rotate and automatically feed the paper.

[0033] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. A paper roll mounting structure for a leather punching device, characterized in that, The device includes placement units mounted on the main body of the device. The placement units are symmetrically arranged on both sides of the main body of the device. The two ends of the paper roll shaft are placed in the placement units. The placement units include placement seats with notches. The openings of the notches are upward and inclined downward relative to the horizontal plane in the length direction. The two ends of the paper roll shaft can be placed in the notches and can move along the length direction of the notches.

2. The paper roll mounting structure of a leather punching device according to claim 1, characterized in that, It also includes rotating bosses located at both ends of the paper roll shaft and coaxial with the paper roll shaft, wherein the protrusions of the rotating bosses are in contact with the sidewalls of the notch groove.

3. The paper roll mounting structure of a leather punching device according to claim 2, characterized in that, The placement unit further includes a limiting part, which includes a first pusher disposed on the placement seat and a stop disposed at the output end of the first pusher. When the first pusher is activated, the stop can be moved to the notch groove to block the movement of the paper roll in the notch groove.

4. The paper roll mounting structure of a leather punching device according to claim 3, characterized in that, The end of the stop head is rotatably disposed on the placement seat near the end of the notch groove. One end of the first pusher is rotatably connected to the middle of the stop head, and the other end is rotatably connected to the placement seat. By pushing the stop head, the first pusher can make the stop head rotate to one side and limit the rotating boss at the end of the notch groove.

5. The paper roll mounting structure of a leather punching device according to claim 3, characterized in that, The device body is provided with a slide rail, and the placement seat is slidably mounted on the device body via the slide rail and can slide along the length direction of the notch.

6. The paper roll mounting structure of a leather punching device according to claim 5, characterized in that, The placement unit further includes a second pusher disposed on the main body of the device, the second pusher pushing the placement seat to slide along the length direction of the notch.

7. The paper roll mounting structure of a leather punching device according to claim 1, characterized in that, The notch opening is provided with an upward bending angle, which bends outward relative to the length direction of the notch.

8. The paper roll mounting structure of a leather punching device according to claim 7, characterized in that, The mounting base includes an upper fixed plate and a lower rotating plate. The lower rotating plate and the upper fixed plate form the notch. The upper fixed plate is fixedly mounted on the main body of the equipment. One end of the lower rotating plate is rotatably connected to the main body of the equipment. The rotation of the lower rotating plate is driven by a third pusher.

9. A leather punching device, comprising a main body, wherein a punching platform and a punching cutter are disposed on the main body, characterized in that, The front end and / or rear end of the main body of the device are provided with a paper roll mounting structure of a leather punching device according to any one of claims 1-8, and a paper roll is placed on the paper roll mounting mechanism of the leather punching device.

10. A leather punching device according to claim 9, characterized in that, It also includes an active roller, which is positioned at the end of the notch in the paper roll mounting mechanism of the leather punching device, so that the paper roll mounted on the placement seat always abuts against the active roller.

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