A leather embossing roller device with quick change pattern

Abstract

The utility model discloses a leather embossing roller device of quick replacement pattern relates to leather embossing device design technical field, including support main part, leather embossing unit, quick replacement unit, is set up in the limit slot on the support main part, is provided with the belt conveyor in the limit slot, the position of quick replacement unit is provided with in the limit slot before and after both sides on the support main part, and leather embossing unit contains support vertical edition, adjusting sliding block, connecting plate, limit cylinder, fixed top plate and electric push rod no.

Description

Technical Field

[0001] This utility model relates to the field of leather embossing device design technology, specifically a leather embossing roller device that can quickly change patterns. Background Technology

[0002] Leather is animal hide processed through hair removal, tanning, and other techniques, retaining its natural grain and luster. It is composed of tightly woven natural protein fibers, possessing resistance to decay and flexibility. The English equivalent is Leather or Hide, and it is widely used in clothing, bags, and industrial parts. Ancient Chinese texts such as the *Zhou Li* record the use of leather as a tax-paying commodity and a raw material for armor. The leather industry encompasses core sectors such as leather tanning, shoemaking, leather clothing, leather goods, fur, and their products, as well as supporting industries such as leather chemicals, leather hardware, leather machinery, and accessories. It features high upstream and downstream linkages, relies on market demand, has evergreen products, and integrates foreign exchange earnings, wealth creation, and employment.

[0003] An embossing machine, also known as an ultrasonic embossing machine or ultrasonic lace machine, is an industrial device that uses ultrasonic, high-frequency, or pressure technology to process the surface of materials. It is mainly used in clothing, textiles, leather, packaging, metal processing and other fields. It can process materials such as non-woven fabrics, synthetic fibers, PVC, and aluminum plates. Existing leather will have different patterns during the production process. In order to facilitate printing, a leather embossing roller device that can quickly change patterns is needed.

[0004] Existing leather embossing roller devices that allow for quick pattern changes have drawbacks: inconvenience in changing different pattern rollers, increased production time, reduced production efficiency, increased production costs, and inconvenience in disassembling and assembling the pattern rollers. Utility Model Content

[0005] The technical problem to be solved by this utility model is to overcome the existing defects and provide a leather embossing roller device that can quickly change patterns. It is more convenient to replace different pattern rollers, reduce production time, improve production efficiency, reduce production costs, and make it easier to disassemble and assemble the pattern rollers. It can effectively solve the problems in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a leather embossing roller device with quick pattern replacement, comprising a support body, a leather embossing unit, and a quick replacement unit;

[0007] Support body: A limiting groove is provided on the upper part, and a belt conveyor is provided in the limiting groove. Quick replacement units are provided on the support body at the front and rear sides of the limiting groove.

[0008] Leather embossing unit: includes a supporting vertical plate, an adjusting slider, a connecting plate, a limiting cylinder, a fixed top plate, and an electric push rod. The upper surface of the supporting body has a supporting vertical plate positioned on both sides of the limiting groove. A connecting plate is located on the upper side of each supporting vertical plate. Each supporting vertical plate has a sliding groove, corresponding to the front and rear sides of the respective supporting vertical plate. An adjusting slider is slidably connected within each groove. A push plate is located on each side of the two adjusting sliders, and a limiting cylinder is located on each push plate. The fixed top plate has two limiting holes through which the two limiting cylinders pass and are fixedly connected to the fixed top plate. An electric push rod is fixedly connected to the upper surface of the connecting plate. The extension end of the electric push rod is fixedly connected to the corresponding fixed top plate. The input end of the electric push rod is electrically connected to the output end of an external power supply via an external control switch group.

[0009] The main support is used for assembly, the belt conveyor is used for conveying leather, the quick-change unit is used for quick replacement, the support vertical plate is used to fix the connecting plate, the limiting cylinder is used to make the movement of the adjusting slider more stable, the movement of the adjusting slider drives the movement of the pattern pressing roller to perform pattern pressing, and when the electric push rod is started, it pushes the fixed top plate to move, the fixed top plate drives the limiting cylinder to move, thereby moving the adjusting slider to adjust the height, which facilitates pattern pressing and production.

[0010] Furthermore, the leather embossing unit also includes a movable cylinder, a snap-fit ​​buckle, a fixed electromagnetic block, a snap-fit ​​block, a patterned pressure roller, and a power motor. Two adjusting sliders are rotatably connected to the movable cylinder via bearings. A snap-fit ​​buckle is fixedly connected to one end of each of the two movable cylinders. A fixed electromagnetic block is provided in each snap-fit ​​buckle. The two snap-fit ​​buckles are snapped into their corresponding snap-fit ​​blocks. The two snap-fit ​​blocks are fixedly connected to their corresponding snap-fit ​​buckles via fixed electromagnetic blocks. A patterned pressure roller is fixedly connected between the two snap-fit ​​blocks. One of the adjusting sliders is fixedly connected to the power motor via a support plate. The output shaft of the power motor is fixedly connected to the corresponding movable cylinder. The input end of the power motor is electrically connected to the output end of an external power supply via an external control switch group.

[0011] The movable cylinder is used to fix the snap-fit ​​buckle. The snap-fit ​​buckle and the corresponding snap-fit ​​block are engaged to fix the patterned pressure roller. The patterned pressure roller is used to emboss patterns on leather. When the power motor is started, it provides power for the rotation of the patterned pressure roller, thereby performing the embossing function. The fixing electromagnetic block is used to electromagnetically engage the snap-fit ​​block, thereby fixing the snap-fit ​​block. This facilitates quick installation and use, and makes it easy to fix the patterned pressure roller.

[0012] Furthermore, the leather embossing unit also includes a pressure roller fixing frame and a leather auxiliary pressure roller. A leather auxiliary pressure roller is respectively provided on the support body at the left and right sides of the support vertical plate. The two leather auxiliary pressure rollers correspond to the belt conveyor. Two equally spaced pressure roller fixing frames are respectively provided on the support body at the front and rear sides of the limiting groove. The front and rear ends of the two leather auxiliary pressure rollers are rotatably connected on the corresponding pressure roller fixing frames through bearings.

[0013] The pressure roller holder is used to fix the leather auxiliary pressure roller, which is used to press the leather, prevent wrinkles, facilitate the pressing of patterns, and transport the leather.

[0014] Furthermore, the quick-change unit includes a stabilizing frame, connecting crossbars, a fixed rectangular plate, and a second electric push rod. A stabilizing frame is positioned on the upper surface of the support body, on the left side of the support vertical plate, at the positions before and after the limiting groove. The stabilizing frame has two equally spaced connecting crossbars, the right ends of which are fixedly connected to their respective support vertical plates. Each connecting crossbar has a sliding hole, and a rectangular slider is slidably connected within each hole. The two rectangular sliders are fixedly connected to a fixed rectangular plate via connecting strips. A push block is positioned on the lower side of the fixed rectangular plate. The stabilizing frame is fixedly connected to the second electric push rod via a push rod fixing frame. The extension end of the second electric push rod is fixedly connected to the corresponding push block. The input end of the second electric push rod is electrically connected to the output end of an external power supply via an external control switch group.

[0015] The stabilizing bracket is used to fix the connecting crossbar, which is used to fix the rectangular slider to move the fixed rectangular plate. The fixed rectangular plate is used to fix the pressure roller clamp to hold the patterned pressure roller. The electric push rod is activated to provide power for moving the fixed rectangular plate, thereby enabling movement and adjustment, and facilitating quick replacement of the patterned pressure roller.

[0016] Furthermore, the quick-change unit also includes pressure roller grippers and a second electric motor. The fixed rectangular plate is provided with two equally spaced rectangular blocks. The two rectangular blocks are rotatably connected to a rotating cylinder through bearings. The two rotating cylinders are fixedly engaged with the corresponding pressure roller grippers. The fixed rectangular plate is provided with a second electric motor located outside one of the rectangular blocks. The output shaft of the second electric motor is fixedly connected to the corresponding rotating cylinder. The input end of the second electric motor is electrically connected to the output end of an external power supply through an external control switch group.

[0017] The pressure roller gripper is used to hold the patterned pressure roller for easy fixation. The electric motor starts to provide power for the rotation of the pressure roller gripper, which is convenient for quick replacement and use to hold the patterned pressure roller.

[0018] Furthermore, the quick-change unit also includes a patterned roller fixing frame. A patterned roller fixing frame is respectively provided on the support body at the front and rear sides of the limiting groove. The two patterned roller fixing frames are located on the left side of the stabilizing fixing frame, and multiple equally spaced roller fixing holes are provided on the two patterned roller fixing frames.

[0019] Patterned roller holders are used to fix multiple patterned rollers with different patterns, making them easy to use and replace.

[0020] Compared with the prior art, the beneficial effects of this utility model are:

[0021] 1. This leather embossing roller device with quick pattern changes has the following advantages: It is equipped with a leather embossing unit, a supporting vertical plate for fixing the connecting plate, a limiting cylinder for stabilizing the movement of the adjusting slider, the movement of the adjusting slider drives the pattern pressing roller to move for embossing, the electric push rod is activated to push the fixed top plate to move, the fixed top plate drives the limiting cylinder to move, thereby moving the adjusting slider to adjust the height, the movable cylinder is used to fix the snap-fit ​​buckle, the snap-fit ​​buckle and the corresponding snap-fit ​​block to fix the pattern pressing roller, the pattern pressing roller is used to emboss the leather, the power motor is activated to provide power for the rotation of the pattern pressing roller, thereby embossing, the fixed electromagnetic block is used to electromagnetically engage the snap-fit ​​block, thereby fixing the snap-fit ​​block, the pressing roller fixing frame is used to fix the leather auxiliary pressing roller, the leather auxiliary pressing roller is used to press the leather to prevent wrinkles, and to emboss;

[0022] 2. This leather embossing roller device with quick pattern replacement has the following advantages: It is equipped with a quick-change unit, a stable fixing frame for fixing the connecting crossbar, the connecting crossbar for fixing the rectangular slider to move the fixed rectangular plate, the fixed rectangular plate for fixing the pressure roller clamps to clamp the patterned pressure roller, the second electric push rod for starting to provide power to move the fixed rectangular plate, the pressure roller clamps for clamping the patterned pressure roller for easy fixing, the second electric motor for starting to provide power to rotate the pressure roller clamps for easy quick replacement, and the patterned pressure roller fixing frame for fixing multiple patterned pressure rollers with different patterns for easy fixing and replacement.

[0023] 3. This leather embossing roller device, which allows for quick pattern changes, has the following advantages: it makes it easier to change between different pattern rollers, reduces production time, increases production efficiency, reduces production costs, and makes it easier to disassemble and assemble the pattern rollers. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the front structure of this utility model;

[0025] Figure 2 This is a partial structural diagram of the leather embossing unit of this utility model;

[0026] Figure 3 This is a schematic diagram of the patterned pressure roller structure of this utility model;

[0027] Figure 4 This is a schematic diagram of the rear structure of this utility model.

[0028] In the diagram: 1 Support body, 2 Belt conveyor, 3 Leather embossing unit, 31 Support vertical plate, 32 Adjustable slider, 33 Connecting plate, 34 Limiting cylinder, 35 Fixed top plate, 36 Electric push rod one, 37 Movable cylinder, 38 Snap fastener, 39 Fixed electromagnetic block, 310 Snap block, 311 Patterned pressure roller, 312 Power motor one, 313 Pressure roller fixing frame, 314 Leather auxiliary pressure roller, 4 Quick change unit, 41 Stable fixing frame, 42 Connecting crossbar, 43 Fixed rectangular plate, 44 Pressure roller gripper, 45 Electric push rod two, 46 ​​Electric motor two, 47 Patterned pressure roller fixing frame. Detailed Implementation

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0030] Please see Figure 1-4 This embodiment provides a technical solution: a leather embossing roller device with quick pattern change, including a support body 1, a leather embossing unit 3, and a quick change unit 4;

[0031] Support body 1: A limiting groove is provided on the upper part, and a belt conveyor 2 is installed in the limiting groove. Quick replacement units 4 are provided on the support body 1 at the front and rear sides of the limiting groove.

[0032] Leather embossing unit 3: includes a supporting vertical plate 31, an adjusting slider 32, a connecting plate 33, a limiting cylinder 34, a fixed top plate 35, and an electric push rod 36. A supporting vertical plate 31 is respectively installed on the upper surface of the supporting body 1 at the front and rear sides of the limiting groove. A connecting plate 33 is installed on the upper side of the two supporting vertical plates 31. A sliding groove is opened on each of the two supporting vertical plates 31, corresponding to the front and rear sides of the respective supporting vertical plate 31. An adjusting slider 32 is slidably connected to each of the two sliding grooves. A push plate is installed on each side of the two adjusting sliders 32, and a limiting cylinder 34 is installed on each push plate. Two limiting holes are opened on the fixed top plate 35, through which the two limiting cylinders 34 pass and are fixedly connected to one of the fixed top plates 35. An electric push rod 36 is fixedly connected to the upper surface of the connecting plate 33. The extension end of the electric push rod 36 is fixedly connected to the corresponding fixed top plate 35. The input end of the electric push rod 36 is electrically connected to the output end of an external power supply through an external control switch group.

[0033] The support body 1 is used for assembly, the belt conveyor 2 is used for conveying leather, the quick change unit 4 is used for quick replacement, the support vertical plate 31 is used to fix the connecting plate 33, the limiting cylinder 34 is used to make the movement of the adjusting slider 32 more stable, the movement of the adjusting slider 32 drives the pattern pressing roller 311 to move for pattern pressing, the electric push rod 36 is activated to push the fixed top plate 35 to move, the fixed top plate 35 drives the limiting cylinder 34 to move, thereby moving the adjusting slider 32 to adjust the height, which is convenient for pattern pressing and production.

[0034] The leather embossing unit 3 also includes a movable cylinder 37, a snap-fit ​​buckle 38, a fixed electromagnetic block 39, a snap-fit ​​block 310, a patterned pressure roller 311, and a power motor 312. Two adjusting sliders 32 are rotatably connected to the movable cylinder 37 via bearings. One snap-fit ​​buckle 38 is fixedly connected to one end of each of the two movable cylinders 37. Each snap-fit ​​buckle 38 contains a fixed electromagnetic block 39. The two snap-fit ​​buckles 38 are snapped into their corresponding snap-fit ​​blocks 310. The two snap-fit ​​blocks 310 are fixedly connected to their corresponding snap-fit ​​buckles 38 via the fixed electromagnetic blocks 39. A patterned pressure roller 311 is fixedly connected between the two snap-fit ​​blocks 310. One of the adjusting sliders 32 is fixedly connected to the power motor 312 via a support plate. The output shaft of the power motor 312 is fixedly connected to the corresponding movable cylinder 37. The input end of the power motor 312 is electrically connected to the output end of an external power supply via an external control switch group.

[0035] The movable cylinder 37 is used to fix the snap fastener 38. The snap fastener 38 and the corresponding snap block 310 snap together to fix the patterned pressure roller 311. The patterned pressure roller 311 is used to press patterns onto leather. The power motor 312 is started to provide power for the rotation of the patterned pressure roller 311, thereby performing the pressing function. The fixing electromagnetic block 39 is used to electromagnetically snap the snap block 310, thereby fixing the snap block 310. This facilitates quick installation and use, and makes it easy to fix the patterned pressure roller 311.

[0036] The leather embossing unit 3 also includes a pressure roller fixing frame 313 and a leather auxiliary pressure roller 314. A leather auxiliary pressure roller 314 is respectively installed on the support body 1 at the left and right sides of the support vertical plate 31. The two leather auxiliary pressure rollers 314 correspond to the belt conveyor 2. Two equally spaced pressure roller fixing frames 313 are respectively installed on the support body 1 at the front and rear sides of the limiting groove. The front and rear ends of the two leather auxiliary pressure rollers 314 are rotatably connected on the corresponding pressure roller fixing frames 313 through bearings.

[0037] The pressure roller holder 313 is used to fix the leather auxiliary pressure roller 314. The leather auxiliary pressure roller 314 is used to press the leather, prevent the leather from wrinkling, facilitate the pressing of patterns, and transport the leather.

[0038] The quick-change unit 4 includes a stabilizing bracket 41, connecting crossbars 42, a fixed rectangular plate 43, and an electric push rod 45. A stabilizing bracket 41 is located on the upper surface of the support body 1, on the left side of the support vertical plate 31, at the position before and after the limiting groove. Two equally spaced connecting crossbars 42 are provided on the stabilizing bracket 41. The right ends of the two connecting crossbars 42 are fixedly connected to the corresponding support vertical plate 31. A sliding hole is opened on each of the two connecting crossbars 42, and a rectangular slider is slidably connected in each of the two sliding holes. The two rectangular sliders are fixedly connected to a fixed rectangular plate 43 through connecting strips. A push block is provided on the lower side of the fixed rectangular plate 43. The stabilizing bracket 41 is fixedly connected to the electric push rod 45 through a push rod fixing bracket. The extension end of the electric push rod 45 is fixedly connected to the corresponding push block. The input end of the electric push rod 45 is electrically connected to the output end of an external power supply through an external control switch group.

[0039] The stabilizing bracket 41 is used to fix the connecting crossbar 42, which is used to fix the rectangular slider to move the fixed rectangular plate 43. The fixed rectangular plate 43 is used to fix the pressure roller clamp 44 to clamp the patterned pressure roller 311. The electric push rod 45 is started to provide power for the fixed rectangular plate 43 to move, thereby enabling movement and adjustment, and facilitating quick replacement of the patterned pressure roller 311.

[0040] The quick-change unit 4 also includes a pressure roller gripper 44 and a second electric motor 46. Two equally spaced rectangular blocks are provided on the fixed rectangular plate 43. The two rectangular blocks are rotatably connected to the rotating cylinders through bearings. The two rotating cylinders are fixedly engaged with the corresponding pressure roller grippers 44. An electric motor 46 is provided on the fixed rectangular plate 43 at the outer position of one of the rectangular blocks. The output shaft of the electric motor 46 is fixedly connected to the corresponding rotating cylinder. The input end of the electric motor 46 is electrically connected to the output end of the external power supply through an external control switch group.

[0041] The pressure roller gripper 44 is used to clamp the patterned pressure roller 311 for easy fixation. The electric motor 46 is started to provide power for the rotation of the pressure roller gripper 44, which facilitates quick replacement for use in clamping the patterned pressure roller 311.

[0042] The quick change unit 4 also includes a patterned roller fixing frame 47. A patterned roller fixing frame 47 is respectively provided on the support body 1 at the front and rear sides of the limiting groove. The two patterned roller fixing frames 47 are located on the left side of the stabilizing fixing frame 41. Multiple equally spaced roller fixing holes are provided on the two patterned roller fixing frames 47.

[0043] Patterned roller holder 47 is used to fix multiple patterned rollers 311 with different patterns, so as to facilitate fixing and replacement.

[0044] The working principle of the leather embossing roller device with quick pattern replacement provided by this utility model is as follows: First, a stabilizing fixing frame 41 is used to fix the connecting crossbar 42, which is used to fix the rectangular slider, allowing the fixed rectangular plate 43 to move. The fixed rectangular plate 43 is used to fix the pressure roller clamp 44 to clamp the patterned pressure roller 311. The electric push rod 45 is started to provide power for the movement of the fixed rectangular plate 43. The pressure roller clamp 44 is used to clamp the patterned pressure roller 311 for easy fixing. The electric motor 46 is started to provide power for the rotation of the pressure roller clamp 44 for easy quick replacement. The patterned pressure roller fixing frame 47 is used to fix multiple patterned pressure rollers 311 with different patterns for easy fixing and replacement of the patterned pressure roller 311. Then, the supporting vertical plate 31 is used to fix the connecting plate 33 and limit the cylinder. 34 is used to make the movement of the adjusting slider 32 more stable. The movement of the adjusting slider 32 drives the patterned pressure roller 311 to move for patterning. The electric push rod 36 is started to push the fixed top plate 35 to move. The fixed top plate 35 is used to drive the limit cylinder 34 to move, thereby moving the adjusting slider 32 to adjust the height. The movable cylinder 37 is used to fix the snap fastener 38. The snap fastener 38 and the corresponding snap block 310 are snapped together to fix the patterned pressure roller 311. The patterned pressure roller 311 is used to emboss the leather. The power motor 312 is started to provide power for the rotation of the patterned pressure roller 311 for patterning. The fixed electromagnetic block 39 is used to electromagnetically snap the snap block 310 for fixing the snap block 310. The pressure roller fixing frame 313 is used to fix the leather auxiliary pressure roller 314. The leather auxiliary pressure roller 314 is used to press the leather to prevent wrinkles for patterning.

[0045] It is worth noting that the core chip of the external control switch group disclosed in the above embodiments is a PLC microcontroller, the electric motor 46 and the power motor 312 are servo motors, and the external control switch group controls the belt conveyor 2, the electric push rod 36, the fixed electromagnetic block 39, the power motor 312, the electric push rod 45 and the electric motor 46 using methods commonly used in the prior art.

[0046] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A leather embossing roller device with quick pattern changing capability, characterized in that: Includes a support body (1), a leather embossing unit (3), and a quick-change unit (4); Support body (1): A limiting groove is provided on the upper part, and a belt conveyor (2) is provided in the limiting groove. A quick replacement unit (4) is provided on the support body (1) at the front and rear sides of the limiting groove. Leather embossing unit (3): includes a supporting vertical plate (31), an adjusting slider (32), a connecting plate (33), a limiting cylinder (34), a fixed top plate (35), and an electric push rod (36). The upper surface of the supporting body (1) is provided with a supporting vertical plate (31) at the front and rear sides of the limiting groove. A connecting plate (33) is provided on the upper side of the two supporting vertical plates (31). A sliding groove is opened on each of the two supporting vertical plates (31). The two sliding grooves are respectively viewed from the front and rear sides of the corresponding supporting vertical plate (31). An adjusting slider (32) is slidably connected in each of the two sliding grooves. Two adjusting sliders (32) are respectively provided with a push plate on one side, and a limiting cylinder (34) is provided on each push plate. The fixed top plate (35) has two limiting holes. The two limiting cylinders (34) pass through the limiting holes and are fixedly connected to a fixed top plate (35). An electric push rod (36) is fixedly connected to the upper surface of the connecting plate (33). The extension end of the electric push rod (36) is fixedly connected to the corresponding fixed top plate (35). The input end of the electric push rod (36) is electrically connected to the output end of the external power supply through an external control switch group.

2. The leather embossing roller device with quick pattern changing according to claim 1, characterized in that: The leather embossing unit (3) also includes a movable cylinder (37), a snap fastener (38), a fixed electromagnetic block (39), a snap fastener (310), a patterned pressure roller (311), and a power motor (312). Two adjusting sliders (32) are rotatably connected to the movable cylinder (37) via bearings. One snap fastener (38) is fixedly connected to one end of each of the two movable cylinders (37). Each snap fastener (38) contains a fixed electromagnetic block (39), and the two snap fasteners (38) are respectively connected to the corresponding snap fasteners. (310) Snap-fit, two snap-fit ​​blocks (310) are fixedly connected to the corresponding snap-fit ​​buckles (38) through fixed electromagnetic blocks (39) respectively. A patterned pressure roller (311) is fixedly connected between the two snap-fit ​​blocks (310). One of the adjusting sliders (32) is fixedly connected to the first power motor (312) through a support plate. The output shaft of the first power motor (312) is fixedly connected to the corresponding movable cylinder (37). The input end of the first power motor (312) is electrically connected to the output end of the external power supply through an external control switch group.

3. The leather embossing roller device with quick pattern changing according to claim 1, characterized in that: The leather embossing unit (3) also includes a pressure roller fixing frame (313) and a leather auxiliary pressure roller (314). A leather auxiliary pressure roller (314) is respectively provided on the support body (1) at the left and right sides of the support vertical plate (31). The two leather auxiliary pressure rollers (314) correspond to the belt conveyor (2). Two equally spaced pressure roller fixing frames (313) are respectively provided on the support body (1) at the front and rear sides of the limiting groove. The front and rear ends of the two leather auxiliary pressure rollers (314) are rotatably connected on the corresponding pressure roller fixing frames (313) through bearings.

4. The leather embossing roller device with quick pattern changing according to claim 1, characterized in that: The quick-change unit (4) includes a stabilizing bracket (41), connecting crossbars (42), a fixed rectangular plate (43), and an electric push rod (45). A stabilizing bracket (41) is provided on the upper surface of the support body (1) at a position on the left side of the support vertical plate (31) and on both sides of the limiting groove. Two equally spaced connecting crossbars (42) are provided on the stabilizing bracket (41). The right ends of the two connecting crossbars (42) are fixedly connected to the corresponding support vertical plate (31) respectively. Each of the two slide holes is provided with a sliding hole, and a rectangular slider is slidably connected in each of the two slide holes. The two rectangular sliders are fixedly connected to a fixed rectangular plate (43) by a connecting strip. A push block is provided on the lower side of the fixed rectangular plate (43). The stable fixing frame (41) is fixedly connected to the electric push rod two (45) by a push rod fixing frame. The extension end of the electric push rod two (45) is fixedly connected to the corresponding push block. The input end of the electric push rod two (45) is electrically connected to the output end of the external power supply through an external control switch group.

5. A leather embossing roller device with quick pattern changing according to claim 4, characterized in that: The quick-change unit (4) also includes a pressure roller gripper (44) and an electric motor (46). Two equally spaced rectangular blocks are provided on the fixed rectangular plate (43). The two rectangular blocks are rotatably connected to the rotating cylinders through bearings. The two rotating cylinders are fixedly engaged with the corresponding pressure roller gripper (44). An electric motor (46) is provided on the fixed rectangular plate (43) at the outer side of one of the rectangular blocks. The output shaft of the electric motor (46) is fixedly connected to the corresponding rotating cylinder. The input end of the electric motor (46) is electrically connected to the output end of the external power supply through an external control switch group.

6. The leather embossing roller device with quick pattern changing according to claim 4, characterized in that: The quick-change unit (4) also includes a patterned roller fixing frame (47). A patterned roller fixing frame (47) is respectively provided on the support body (1) at the front and rear sides of the limiting groove. The two patterned roller fixing frames (47) are located on the left side of the stabilizing fixing frame (41). Multiple equally spaced roller fixing holes are provided on the two patterned roller fixing frames (47).

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