Rolling stamping device for machining connecting ring tabs on medical devices

CN224751507UActive Publication Date: 2026-09-15CHANGZHOU SHUANGHE PACKING CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202522211358.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-10-20
Publication Date
2026-09-15
Estimated Expiration
2035-10-20

AI Technical Summary

Technical Problem

[0003]目前,行业内对于卷材状合成纸的连续加工普遍采用滚动冲压技术,其基本工作原理是通过安装有冲压刀具的冲压滚轴与进料滚轴(或砧轴)的对滚运动,实现对连续进给材料的动态冲切,但是,现有的滚动冲切装置,在进行冲切的过程中,会因为合成纸表面光滑且质地坚硬,与滚轴间的摩擦力相对较小,极易导致进料牵引力不足,合成纸在滚轴间发生打滑或蛇行跑偏,致使冲切位不准,废品率显著升高,此外,现有的设备中冲压滚轴上的刀具施加的压力较为单一,长期的使用容易造成冲切不透产生毛刺和拉丝,或者压力过大损伤刀具或者滚轴,因此需要研发一种可对冲压滚轴上的刀具施加的压力进行调节的滚动冲压装置

Benefits of technology

[0011] This utility model has the following positive effects: (1) By setting the feeding roller, the stamping roller and the pressing roller in synergy, the synthetic paper can achieve continuous feeding and punching. Compared with the traditional flat-press punch, it greatly improves the production efficiency. By rotating the adjusting screw, the descent height of the third slider and the pressing roller can be precisely controlled, thereby adjusting the pressure on the stamping roller to the optimal state. This effectively solves the problems of insufficient traction force, slippage or serpentine deviation of the synthetic paper between the rollers, and defects caused by the pressure applied by the stamping tool being too large or too small in the prior art. It ensures the stability of the synthetic paper during the feeding process. This design ensures clean and efficient cutting of synthetic paper while avoiding damage to the punching tools due to excessive pressure. The first, second, and third sliders are independently arranged in layers within the vertical adjustment groove, each bearing the functions of feeding, punching, and pressing. This not only makes the equipment layout compact and reasonable but also allows the position of each roller to be adjusted independently or in conjunction, enhancing the equipment's adaptability to different process requirements. Furthermore, setting the axes of the feeding roller, punching roller, and pressing roller in parallel ensures that the synthetic paper is subjected to uniform force during feeding and punching, preventing deviation or wrinkling, thus ensuring the positional accuracy of the punched pattern. The structure is ingenious, convenient, and practical.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224751507U_ABST
    Figure CN224751507U_ABST
Patent Text Reader

Abstract

The utility model relates to a kind of rolling stamping device for processing connecting ring piece on medical equipment, with chassis, and working platform is equipped on chassis;Stamping assembly is equipped on working platform, and stamping assembly includes stamping support, feed motor, feed roller, stamping roller, stamping cutter and adjusting assembly, adjusting groove is equipped on stamping support, first slider, second slider and third slider are equipped in each adjusting groove, the both ends of feed roller are rotatably connected on first slider, the both ends of stamping roller are rotatably connected on second slider, adjusting assembly includes stamping plate, adjusting screw hole, adjusting screw rod and pressure roller, adjusting screw rod is rotatably connected on third slider, feed roller is driven by the drive of feeding and enters synthetic paper between feed roller and stamping roller, stamping cutter is installed on stamping roller by the pressure of pressure roller and stamping cutter on stamping roller during rotation to synthetic paper is punched out.The utility model structure is ingenious, and it is convenient and practical.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of rolling stamping of connecting rings, and particularly to a rolling stamping device for processing connecting rings on medical devices. Background Technology

[0002] Medical warming blanket machines are used to actively maintain and maintain the core body temperature of patients, preventing and treating hypothermia and its complications. During use, the warming blanket and machine pipes are fixed by connecting rings with double-sided adhesive layers. Existing connecting rings are generally formed by stamping synthetic paper. Synthetic paper is an environmentally friendly material that combines the properties of plastic and paper. Existing synthetic paper has excellent waterproof, tear resistance, dimensional stability and durability. Synthetic paper is tough and has a dense fiber structure, which places high demands on the punching force, stability and precision of the processing equipment.

[0003] Currently, the industry commonly uses rolling stamping technology for continuous processing of roll-form synthetic paper. Its basic working principle is to achieve dynamic punching of continuously fed material through the opposing rolling motion of a stamping roller equipped with stamping cutters and a feeding roller (or anvil). However, in the existing rolling stamping device, due to the smooth and hard surface of synthetic paper and the relatively low friction between it and the roller, the feeding traction force is easily insufficient, causing the synthetic paper to slip or swerve between the rollers, resulting in inaccurate punching position and a significantly increased scrap rate. In addition, the pressure applied by the cutters on the stamping rollers in existing equipment is relatively uniform. Long-term use can easily cause incomplete punching, resulting in burrs and fraying, or excessive pressure can damage the cutters or rollers. Therefore, it is necessary to develop a rolling stamping device that can adjust the pressure applied by the cutters on the stamping rollers. Summary of the Invention

[0004] The purpose of this invention is to provide a rolling stamping device for processing connecting rings on medical equipment. It has an ingenious structure and can adjust the pressure of the stamping tool on the stamping roller in a timely manner according to the stamping requirements of the finished product. It has good adjustability and applicability, and is efficient and convenient.

[0005] The technical solution to achieve the purpose of this utility model is as follows: This utility model has a base frame, on which a working platform is provided; the working platform is provided with a stamping assembly for feeding and rolling of synthetic paper, the stamping assembly including a stamping bracket fixed on the working platform, a feeding motor mounted on the stamping bracket, a feeding roller mounted on the stamping bracket and driven by the feeding motor, a stamping roller mounted on the stamping bracket, a stamping cutter mounted on the stamping roller, and an adjustment assembly mounted above the stamping roller and capable of pressing and adjusting the stamping roller; the stamping bracket is provided with opposing and vertically arranged adjustment slots, and each adjustment slot is provided with a first slider, a second slider, and a third slider in sequence from bottom to top; the two ends of the feeding roller are rotatably connected to the opposing first slider, and the two ends of the stamping roller are rotatably connected to the opposing second slider. The adjustment assembly includes a stamping plate fixed on a stamping bracket, an adjustment screw hole on the stamping plate, an adjustment screw adapted to the adjustment screw hole, and a pressing roller rotatably mounted on a third slider that can press against the stamping roller. The axis of the feeding roller is parallel to the axis of the stamping roller and the axis of the pressing roller. The lower end of the adjustment screw is rotatably connected to the corresponding third slider. The third slider is slidably mounted in the adjustment groove through the threaded engagement of the adjustment screw and the adjustment screw hole. The third slider moves downward to drive the pressing roller to press against the stamping roller. The feeding roller drives the synthetic paper into the space between the feeding roller and the stamping roller through the feeding drive. During the rotation of the stamping roller, the synthetic paper is punched out by the pressing of the pressing roller and the punching cutter mounted on the stamping roller, resulting in multiple connecting ring pieces being punched out on the synthetic paper.

[0006] Furthermore, the aforementioned pressure roller is provided with oppositely arranged annular protrusions, each annular protrusion being coaxially arranged with the pressure roller. Each annular protrusion presses against the stamping roller and, along with the rolling of the stamping roller, drives the pressure roller to rotate. The stamping cutter on the stamping roller is located between the oppositely arranged annular protrusions, and the length of the feed roller is less than the distance between each annular protrusion.

[0007] Furthermore, a buffer pad is fitted on the aforementioned stamping roller, and the buffer pad is provided with a stamping groove for the stamping cutter to extend out. The thickness of the stamping cutter is greater than the width of the stamping groove. When the feed roller introduces the synthetic paper between the feed roller and the stamping roller, the stamping cutter is pushed out from the stamping groove and punches the synthetic paper.

[0008] Furthermore, both ends of the aforementioned stamping roller are provided with rotating shafts. One of the second sliders is provided with a positioning rotating hole, and the other second slider is provided with a rotating through hole. One end of the stamping roller is rotatably connected in the positioning rotating hole, and the other end of the stamping roller extends out of the second slider after passing through the rotating through hole. A right-angle connecting plate is fixedly provided on the rotating shaft extending out of the second slider. The right-angle connecting plate is provided with a positioning sensing block and a reset sensing block. The second slider is also provided with a side plate. The side plate is provided with a positioning sensing switch corresponding to the positioning sensing block and a reset sensing switch corresponding to the reset sensing block. After the stamping roller rotates, the stamping tool is positioned by the cooperation of the positioning sensing switch and the positioning sensing block, or it is reset by the cooperation of the reset sensing switch and the reset sensing block.

[0009] Furthermore, the aforementioned work platform is provided with oppositely arranged right-angle strips, the extension direction of each right-angle strip is perpendicular to the axis of the feed roller, and each right-angle strip is fixed to the work platform to form a feed channel for feeding long strips of synthetic paper. The feed roller is driven by the feed motor and rotated by pressing against the stamping roller, thereby feeding the synthetic paper in the feed channel.

[0010] Furthermore, the aforementioned stamping bracket is also equipped with an unloading guide plate for unloading the stamped products, and the feeding channels of the unloading guide plate are respectively arranged on both sides of the feeding roller.

[0011] This utility model has the following positive effects: (1) By setting the feeding roller, the stamping roller and the pressing roller in synergy, the synthetic paper can achieve continuous feeding and punching. Compared with the traditional flat-press punch, it greatly improves the production efficiency. By rotating the adjusting screw, the descent height of the third slider and the pressing roller can be precisely controlled, thereby adjusting the pressure on the stamping roller to the optimal state. This effectively solves the problems of insufficient traction force, slippage or serpentine deviation of the synthetic paper between the rollers, and defects caused by the pressure applied by the stamping tool being too large or too small in the prior art. It ensures the stability of the synthetic paper during the feeding process. This design ensures clean and efficient cutting of synthetic paper while avoiding damage to the punching tools due to excessive pressure. The first, second, and third sliders are independently arranged in layers within the vertical adjustment groove, each bearing the functions of feeding, punching, and pressing. This not only makes the equipment layout compact and reasonable but also allows the position of each roller to be adjusted independently or in conjunction, enhancing the equipment's adaptability to different process requirements. Furthermore, setting the axes of the feeding roller, punching roller, and pressing roller in parallel ensures that the synthetic paper is subjected to uniform force during feeding and punching, preventing deviation or wrinkling, thus ensuring the positional accuracy of the punched pattern. The structure is ingenious, convenient, and practical.

[0012] (2) By setting an annular protrusion, which contacts the body of the stamping roller, this utility model provides two solid force support points for the stamping process, preventing the stamping roller from bending and deforming due to pressure, and ensuring the straightness of the punching line. The stamping tool is located between the two annular protrusions, while the shorter feed roller works within this interval. This design ensures that the stamping tool will never directly impact the feed roller, completely avoiding damage to the tool and the feed roller, extending the equipment life, effectively protecting the feed roller, and avoiding interference.

[0013] (3) This utility model, by setting the buffer pad in a cylindrical shape and sleeved on the outer surface of the stamping roller, and the buffer pad being made of rubber or polyurethane, can effectively act as an anvil. The stamping cutter is ejected from the groove of the buffer pad to complete the punching. The buffer pad provides backing support for the synthetic paper, effectively preventing tearing and burrs during punching, making the cut edge smoother and neater. The thickness of the cutter is greater than the width of the groove, ensuring that the cutter can reliably eject and cut the material. In the non-punching area, the cutter retracts into the buffer pad and is protected, reducing the risk of wear and accidental collision.

[0014] (4) By setting a positioning sensor block and a positioning sensor switch, this utility model can enable the equipment to automatically identify the circumferential position of the stamping roller. When changing the mold, starting the machine, or restarting after a power failure, the stamping roller will automatically rotate to the preset zero point position, ensuring that the starting point of each stamping cycle is absolutely accurate and guaranteeing the splicing accuracy of continuous stamping patterns. The cooperation between the reset sensor switch and the reset sensor block allows the equipment to quickly return to a known safe position, which is convenient for maintenance, cleaning, or manual adjustment, and improves the ease of operation and safety of the equipment.

[0015] (5) By setting two oppositely arranged right-angle spokes, the feed channel formed by the right-angle spokes can regulate and constrain the rolled long strip of synthetic paper, ensuring that it does not shift laterally before entering the roller, laying a solid foundation for subsequent precise punching. At the same time, during the feeding process of synthetic paper, the problem of shifting due to slippage is avoided, further ensuring the accuracy of feeding.

[0016] (6) By setting up a discharge guide plate, the product and waste after punching can be discharged, which is convenient for operators to collect and sort. Attached Figure Description

[0017] To make the content of this utility model easier to understand, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings, wherein... Figure 1 This is a schematic diagram of the overall structure of the rolling stamping device used for processing connecting ring pieces on medical equipment in this utility model; Figure 2 This is a cross-sectional view of the overall structure of the stamping component in this utility model; Figure 3 for Figure 2 Enlarged view of point A in the middle; Figure 4 This is a schematic diagram of the overall structure of the stamping roller in this utility model; Figure 5 This is a schematic diagram of the overall structure of the adjustment component in this utility model; The attached figures are labeled as follows: 1. Base frame; 2. Working platform; 21. Right-angle banner; 3. Unloading guide plate; 4. Stamping assembly; 40. Stamping cutter; 41. Stamping bracket; 42. Feeding motor; 43. Feeding roller; 44. Stamping roller; 44. Rotating shaft; 441. Pressing roller; 45. Annular protrusion; 451. First slider; 46. Second slider; 47. Third slider; 48. Adjustment groove; 49. Right-angle connecting plate; 5. Positioning sensor block; 51. Reset sensor block; 52. Side plate; 6. Positioning sensor switch; 61. Reset sensor switch; 62. Buffer pad; 7. Stamping cutter groove; 71. Adjustment assembly; 8. Stamping plate; 81. Adjustment screw hole; 82. Adjustment screw; 83. Detailed Implementation

[0018] See Figures 1 to 5This utility model has a base frame 1, on which a working platform 2 is provided. The working platform 2 is provided with a stamping assembly 4 for feeding and rolling the synthetic paper. The stamping assembly 4 includes a stamping bracket 41 fixed on the working platform 2, a feeding motor 42 mounted on the stamping bracket 41, a feeding roller 43 rotatably mounted within the stamping bracket 41 under the drive of the feeding motor 42, a stamping roller 44 rotatably mounted on the stamping bracket 41, a stamping cutter 40 mounted on the stamping roller 44, and an adjustment assembly 8 positioned above the stamping roller 44 for pressing and adjusting the stamping roller 44. The stamping bracket 41 has opposing and vertically arranged adjustment slots 49. Each adjustment slot 49 has a first slider 46, a second slider 47, and a third slider 48 arranged sequentially from bottom to top. The two ends of the feeding roller 43 are rotatably connected to the opposing first slider 46, and the two ends of the stamping roller 44 are rotatably connected to the opposing second slider 47. The adjustment assembly 8 includes... The system includes a stamping plate 81 fixed on a stamping bracket 41, an adjusting screw hole 82 on the stamping plate 81, an adjusting screw 83 adapted to the adjusting screw hole 82, and a pressing roller 45 rotatably mounted on a third slider 48 opposite to it, which can press against the stamping roller 44. The axis of the feeding roller 43 is parallel to the axis of the stamping roller 44 and the axis of the pressing roller 45. The lower end of the adjusting screw 83 is rotatably connected to the corresponding third slider 48. The third slider 48 is adjusted by... The screw 83 and the adjusting screw hole 82 are threadedly engaged and slidably arranged in the adjusting groove 49. The third slider 48 moves down to drive the pressing roller 45 to press against the stamping roller 44. The feeding roller 43 carries the synthetic paper between the feeding roller 43 and the stamping roller 44 through the feeding drive. During the rotation of the stamping roller 44, the pressing roller 44 is pressed by the pressing roller 45 and the stamping cutter 40 installed on the stamping roller 44 to punch and cut multiple connecting ring pieces on the synthetic paper.

[0019] The pressing roller 45 is provided with oppositely arranged annular protrusions 451. Each annular protrusion 451 is coaxially arranged with the pressing roller 45. Each annular protrusion 451 presses against the stamping roller 44 and drives the pressing roller 45 to rotate as the stamping roller 44 rolls. The stamping cutter 40 on the stamping roller 44 is located between the oppositely arranged annular protrusions 451. The length of the feed roller 43 is less than the distance between each annular protrusion 451.

[0020] A buffer pad 7 is fitted on the stamping roller 44. The buffer pad 7 is provided with a stamping groove 71 for the stamping cutter 40 to extend out. The thickness of the stamping cutter 40 is greater than the width of the stamping groove 71. When the feeding roller 43 introduces the synthetic paper between the feeding roller 43 and the stamping roller 44, the stamping cutter 40 is pushed out from the stamping groove 71 and punches the synthetic paper.

[0021] Both ends of the stamping roller 44 are provided with rotating shafts 441. One of the second sliders 47 is provided with a positioning rotating hole, and the other second slider 47 is provided with a rotating through hole 471. One end of the stamping roller 44 is rotatably connected in the positioning rotating hole, and the other end of the stamping roller 44 passes through the rotating through hole 471 and extends out of the second slider 47. A right-angle connecting plate 5 is fixed on the rotating shaft 441 extending out of the second slider 47. The right-angle connecting plate 5 is provided with a positioning sensing block 51 and a reset sensing block 52. The second slider 47 is also provided with a side plate 6. The side plate 6 is provided with a positioning sensing switch 61 corresponding to the positioning sensing block 51 and a reset sensing switch 62 corresponding to the reset sensing block 52. After the stamping roller 44 rotates, the stamping tool 40 is positioned by the cooperation of the positioning sensing switch 61 and the positioning sensing block 51, or reset by the cooperation of the reset sensing switch 62 and the reset sensing block 52.

[0022] The working platform 2 is provided with right-angled strips 21 arranged opposite each other. The extension direction of each right-angled strip 21 is perpendicular to the axis of the feeding roller 43. After each right-angled strip 21 is fixed to the working platform 2, it forms a feeding channel for feeding long strips of synthetic paper. The feeding roller 43 is driven by the feeding motor 42 and rotated by pressing against the stamping roller 44, thereby driving the synthetic paper in the feeding channel to be fed.

[0023] The stamping support 41 is also provided with a discharge guide plate 3 for unloading the punched product. The feeding channels of the discharge guide plate 3 are respectively arranged on both sides of the feeding roller 43.

[0024] The working principle of this utility model is as follows: During use, the feeding motor 42 is first driven. The rotating shaft 441, which passes through the transmission through-hole on one side of the stamping roller 44, rotates to rotate the positioning sensor block 51 to the positioning sensor switch 61. Then, the feeding motor 42 stops driving, and the operator begins to rotate the adjusting screw 83. The adjusting screw 83, through its threaded engagement with the adjusting screw hole 82, drives the third slider 48 to descend. During the descent of the third slider 48, the annular protrusion 451 on the pressing roller 45 presses against the stamping roller 44. The force applied by the stamping cutter 40 on the stamping roller 44 is controlled according to the material of the synthetic paper. Then, the locking nut on the adjusting screw 83 positions the adjusting screw 83. After the adjusting screw 83 is positioned, the feeding motor 42 is driven, and the feeding motor 42 drives the feeding roller 43 to... As the feeding roller 43 rotates, it drives the synthetic paper in the feeding channel to feed. During the feeding process, the feeding roller 43, in cooperation with the stamping roller 44, drives the synthetic paper to feed. During the feeding process, the stamping cutter 40 is pushed out from the stamping cutter groove 71 of the buffer pad 7, thereby punching the synthetic paper. The resulting connecting ring is discharged from the unloading guide plate 3. This effectively solves the problems of insufficient traction force, slippage or serpentine deviation of synthetic paper between rollers, and defects caused by the excessive or insufficient pressure applied by the stamping cutter 40 in the prior art. It ensures the stability of synthetic paper during the feeding process and the clean and neat punching process of synthetic paper. At the same time, it avoids damage to the stamping cutter 40 caused by excessive pressure, effectively ensuring the stability and service life of the overall structure. The structure is ingenious, efficient and convenient.

[0025] The specific embodiments described above further illustrate the purpose, technical solution, and beneficial effects of this utility model. It should be understood that the above descriptions are merely specific embodiments of this utility model and are not intended to limit this utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A rolling stamping device for processing connecting ring plates on medical equipment, comprising a base frame and a working platform mounted on the base frame; characterized in that: The working platform is equipped with a stamping assembly for feeding and rolling the synthetic paper. The stamping assembly includes a stamping bracket fixed to the working platform, a feeding motor mounted on the stamping bracket, a feeding roller rotated within the stamping bracket under the drive of the feeding motor, a stamping roller rotated on the stamping bracket, a stamping cutter mounted on the stamping roller, and an adjustment assembly positioned above the stamping roller for pressing and adjusting the roller. The stamping bracket has opposing and vertically arranged adjustment slots. Each adjustment slot contains a first slider, a second slider, and a third slider arranged sequentially from bottom to top. The two ends of the feeding roller are rotatably connected to the opposing first slider, and the two ends of the stamping roller are rotatably connected to the opposing second slider. The adjustment assembly includes components fixed to the stamping bracket. The system includes a stamping plate, an adjusting screw hole on the stamping plate, an adjusting screw adapted to the adjusting screw hole, and a pressing roller rotatably mounted on a third slider that can press against the stamping roller. The axis of the feeding roller is parallel to the axis of the stamping roller and the axis of the pressing roller. The lower end of the adjusting screw is rotatably connected to the corresponding third slider. The third slider is slidably mounted in the adjusting groove through the threaded engagement of the adjusting screw and the adjusting screw hole. The third slider moves downward to drive the pressing roller to press against the stamping roller. The feeding roller drives the synthetic paper into the space between the feeding roller and the stamping roller. During the rotation of the stamping roller, the synthetic paper is punched out by the pressing of the pressing roller and the punching cutter mounted on the stamping roller, resulting in multiple connecting ring pieces being punched out on the synthetic paper.

2. The rolling stamping device for processing connecting ring plates on medical devices according to claim 1, characterized in that: The pressing roller is provided with oppositely arranged annular protrusions. Each annular protrusion is coaxially arranged with the pressing roller. Each annular protrusion presses against the stamping roller and drives the pressing roller to rotate as the stamping roller rolls. The stamping cutter on the stamping roller is located between the oppositely arranged annular protrusions. The length of the feed roller is less than the distance between each annular protrusion.

3. The rolling stamping device for processing connecting ring plates on medical devices according to claim 2, characterized in that: A buffer pad is fitted on the stamping roller, and a stamping groove is provided on the buffer pad for the stamping cutter to extend out. The thickness of the stamping cutter is greater than the width of the stamping groove. When the feed roller introduces the synthetic paper between the feed roller and the stamping roller, the stamping cutter is pushed out from the stamping groove and punches the synthetic paper.

4. The rolling stamping device for processing connecting ring plates on medical devices according to claim 3, characterized in that: Both ends of the stamping roller are provided with rotating shafts. One of the second sliders is provided with a positioning rotating hole, and the other second slider is provided with a rotating through hole. One end of the stamping roller is rotatably connected in the positioning rotating hole, and the other end of the stamping roller extends out of the second slider after passing through the rotating through hole. A right-angle connecting plate is fixedly provided on the rotating shaft extending out of the second slider. The right-angle connecting plate is provided with a positioning sensing block and a reset sensing block. The second slider is also provided with a side plate. The side plate is provided with a positioning sensing switch corresponding to the positioning sensing block and a reset sensing switch corresponding to the reset sensing block. After the stamping roller rotates, the stamping tool is positioned by the cooperation of the positioning sensing switch and the positioning sensing block, or it is reset by the cooperation of the reset sensing switch and the reset sensing block.

5. The rolling stamping device for processing connecting ring pieces on medical devices according to claim 4, characterized in that: The working platform is provided with oppositely arranged right-angle strips. The extension direction of each right-angle strip is perpendicular to the axis of the feeding roller. After each right-angle strip is fixed to the working platform, it forms a feeding channel for feeding long strips of synthetic paper. The feeding roller is driven by the feeding motor and rotated by pressing against the stamping roller, thereby feeding the synthetic paper in the feeding channel.

6. The rolling stamping device for processing connecting ring plates on medical devices according to claim 5, characterized in that: The stamping bracket is also provided with an unloading guide plate for unloading the stamped products. The feeding channels of the unloading guide plate are respectively set on both sides of the feeding roller.