A movable slider shearing and punching mechanism

Abstract

This invention discloses a movable slider shearing and punching mechanism, including an upper die assembly with a force transmission pin and a lower die assembly with a beveled pin. A movable slider and a blanking punch are disposed in a stripper plate, which is stacked between the upper and lower die assemblies. The movable slider is slidably connected to the stripper plate, and one end of the movable slider has a beveled structure corresponding to the beveled pin. The blanking punch is slidably disposed at the end of the movable slider away from the beveled structure, directly below the force transmission pin. The end of the blanking punch away from the movable slider has a clearance. The blanking punch of this invention has a clearance on its surface; the beveled pin, in conjunction with the movable slider and the force transmission pin, completes the movement of the blanking punch to avoid interference points on the product.

Description

Technical Field

[0001] This invention relates to the field of mold technology, and in particular to a shearing and stamping mold, especially the structural design of a moving slider shearing and punching mechanism. Background Technology

[0002] The opening and closing of existing stamping dies is achieved by the upper die making a simple straight up and down movement. However, with the diversification of products, the shapes of products are becoming more and more complex. Some complex products have round or semi-closed structures. When the stamping die punches or removes waste material in round or semi-closed (products), the conventional blanking punch will interfere with this part (round or semi-closed) feature of the product during the die closing process.

[0003] In traditional punching structures, the blanking punch cannot avoid the front of the product, and it easily interferes with the product, preventing the product from being sheared and blanked within the mold. Consequently, the blanking punch cannot move to the blanking position on the product, thus failing to complete the blanking process. This results in waste material at the shearing position, limiting product development. In traditional punch structures, the part is embedded between the upper clamping plate and the stripper plate, and the relative positions of the upper clamping plate and the stripper plate are fixed, offering poor adjustability. Summary of the Invention

[0004] To address the problems existing in the prior art, the purpose of this invention is to provide a moving slider shearing punching mechanism. By setting up an inclined pin, a moving slider, and a force transmission pin, the punch first moves downward, then moves obliquely downward, and then moves downward again, thereby avoiding interference parts of the product.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A movable slider shearing and punching mechanism includes an upper die assembly, in which a force transmission pin is provided;

[0007] The lower mold assembly is equipped with a slanted pin;

[0008] A stripper plate, a movable slider and a discharge punch are set in the stripper plate;

[0009] The stripper plate is stacked between the upper mold assembly and the lower mold assembly. The movable slider is slidably connected to the stripper plate. One end of the movable slider is provided with a slope structure that matches the slope pin. The blanking punch is slidably set at the end of the movable slider away from the slope structure. The blanking punch is located directly below the force transmission pin. The end of the blanking punch away from the movable slider is provided with a clearance.

[0010] Furthermore, in some embodiments, the punch assembly further includes a slider guide rail, which is fixedly disposed in the stripper plate;

[0011] The stripper plate is equipped with a movable slider. The movable slider is parallel to the two sides of the punch and is equipped with slider guide rails. The movable slider is equipped with a groove that slides and matches the slider guide rails on the side closest to the slider guide rails.

[0012] The movable slider and the slider guide rail are slidably connected by a groove and a guide rail on the slider guide rail.

[0013] Furthermore, in some embodiments, the upper mold assembly includes an upper clamping plate and a back stripping plate, with the back stripping plate stacked on top of the stripping plate and the upper clamping plate stacked on top of the back stripping plate.

[0014] The force transmission pin is fixedly installed in the upper clamping plate, the top end of the force transmission pin is pressed against the bottom surface of the upper pad plate, and the bottom end of the force transmission pin passes through the back release plate and abuts against the top of the feeding punch.

[0015] The lower mold assembly includes a lower template, which is stacked below the stripper plate, and a beveled pin is fixedly installed in the lower template;

[0016] A buffer pad is provided below the feeding punch, and the buffer pad is set in the lower template.

[0017] Furthermore, in some embodiments, the inclined pin has a first inclined surface inclined toward the movable slider at one end, a first vertical surface at one end of the first inclined surface near the movable slider, and a second inclined surface inclined toward the movable slider at the other end of the first vertical surface away from the first inclined surface.

[0018] The inclined plane structure of the movable slider includes a third inclined plane, a second vertical plane, and a fourth inclined plane;

[0019] The end of the movable slider near the inclined pin is provided with a third inclined surface that matches the second inclined surface. The third inclined surface is provided with a second vertical surface that matches the first vertical surface. The end of the second vertical surface away from the third inclined surface is provided with a fourth inclined surface that matches the first inclined surface.

[0020] Furthermore, in some embodiments, the movable slider has a longitudinal trapezoidal groove at one end facing the feeding punch, and the feeding punch has a ladder corresponding to the trapezoidal groove at one end near the movable slider, with the ladder being embedded in the trapezoidal groove.

[0021] Furthermore, in some embodiments, the trapezoidal groove is provided with a positioning hole that is perpendicular to the trapezoidal groove and passes through the movable slider, and a limiting pin is inserted into the positioning hole and is locked in the positioning hole.

[0022] The platform has a limiting groove at the end near the movable slider that matches the positioning hole. The limiting groove is set adjacent to the positioning hole, and the height of the limiting groove is greater than the height of the positioning hole. The limiting pin is simultaneously engaged in the limiting groove and the positioning hole.

[0023] Furthermore, in some embodiments, the stripper plate is also provided with a pressing component, which is located at the end of the unloading punch away from the moving slider. The lower template is also provided with a die, and a die is located below the pressing component. The buffer pad is located adjacent to the die.

[0024] A workpiece placement area is provided between the pressure component and the die.

[0025] Furthermore, in some embodiments, the blanking punch has a clearance on the side near the pressure member, and the opening of the clearance faces the workpiece placement position between the pressure member and the die.

[0026] The end of the punch away from the force transmission pin is provided with a second ejector pin, which is located in the lower mold plate. The second ejector pin is located at the end of the buffer pad away from the die. The buffer pad is located below the scrap of the product and receives the product together with the die. The end of the buffer pad away from the scrap of the product is provided with a first ejector pin.

[0027] Furthermore, in some embodiments, the side of the die near the buffer pad is provided with a first limiting point, and the side of the buffer pad near the die is provided with a matching second limiting point, and the first limiting point and the second limiting point are slidably interlocked.

[0028] Furthermore, in some embodiments, the stripper plate is provided with a back stripper plate, an upper clamping plate, an upper pad plate, and an upper mold base in sequence upwards, and the stripper plate is provided with a lower template plate, a lower pad plate, and a lower mold base in sequence downwards;

[0029] The upper clamping plate is equipped with a force transmission pin; the stripper plate is equipped with a pressing component, a discharge punch, a slider guide rail, and a moving slider;

[0030] The lower template is equipped with a concave mold, a buffer pad, a second ejector pin, and a slanted pin, with the slanted pin fixedly placed in the lower template; the lower pad is equipped with a first ejector pin.

[0031] This application utilizes a relief area on the surface of the blanking punch, along with a beveled pin. Combined with a movable slider and a force-transmitting pin, during the operation of the shearing and punching mechanism, the stripper plate drives the movable slider downwards. When the movable slider moves downwards and contacts the beveled pin, the beveled structure of the pin pushes the slider downwards along the bevel. Simultaneously, the movable slider drives the blanking punch to move together, positioning it directly above the desired punching or hole position on the product. Then, the force-transmitting pin moves downwards to drive the blanking punch (blank head) downwards, achieving closed-loop punching or shearing of waste. In other words, this mechanism effectively avoids interference areas on the front of the closed product. Attached Figure Description

[0032] Figure 1 This is a schematic diagram of the structure of an embodiment of the present invention;

[0033] Figure 2 This is a schematic diagram of the structure of the die portion in an embodiment of the present invention;

[0034] Figure 3 This is a cross-sectional schematic diagram of an embodiment of the present invention;

[0035] Figure 4 for Figure 1 A schematic diagram of the breakdown of part A;

[0036] Figure 5 for Figure 3 A breakdown diagram of Part B;

[0037] Figure 6 This is a schematic diagram of the moving slider part according to an embodiment of the present invention;

[0038] Figure 7 These are multi-angle schematic diagrams of the product according to embodiments of the present invention;

[0039] Figure 8 This is a schematic diagram of the inclined pin portion according to an embodiment of the present invention;

[0040] Figure 9 for Figure 3 A structural diagram of section B;

[0041] Figure 10 This is a schematic diagram of the stripping plate portion in an embodiment of the present invention;

[0042] Figure 11 This is a schematic diagram of the workpiece placement area in an embodiment of the present invention;

[0043] Figure 12 This is a schematic diagram of the moving slider part in an embodiment of the present invention.

[0044] Explanation of markings in the diagram:

[0045] Upper mold base 11, upper pad 12, upper clamping plate 13, back stripper plate 14, stripper plate 15, lower mold plate 16, lower pad 17, lower mold base 18, trapezoidal groove 19, force transmission pin 21, blanking punch 22, slider guide rail 23, moving slider 24, inclined pin 25, pressure piece 26, die 27, limiting groove 28, buffer pad 29, product 31, scrap 32, interference part 33, first limiting point 34, second limiting point 35, avoidance point 36, first ejector pin 37, second ejector pin 38, first inclined surface 41, first vertical surface 42, second inclined surface 43, third inclined surface 44, second vertical surface 45, fourth inclined surface 46, ladder 47, limiting pin 48, positioning hole 49, slide groove 51, punch 52, workpiece placement position 53, punch head 55, upper mold assembly 61, lower mold assembly 62. Detailed Implementation

[0046] To further understand the features, technical means, and specific objectives and functions achieved by the present invention, the embodiments and features in the embodiments of this application may be combined with each other without conflict. To further understand the features, technical means, and specific objectives and functions achieved by the present invention, and to analyze the advantages and spirit of the present invention, a detailed description of the present invention in conjunction with the accompanying drawings and specific embodiments is provided below.

[0047] It should be noted that when an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or there may be an intervening element. When an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "front," "rear," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementation.

[0048] The structure of this invention is applied to stamping dies for punching, piercing, or bending semi-enclosed or fully enclosed products, and is mainly used in a series of hardware parts such as Type C, automotive casings, and medical devices.

[0049] See appendix Figure 6 As shown, Figure 6 The image shows a cylindrical or semi-enclosed product 31. The cylindrical product 31 needs to have punch holes 52 on its side wall. When punching holes 52 in the product 31, and the punch 22 (punch head) only moves up and down, the upper end of the punch holes 52 on the cylindrical product 31 forms an interference part 33. Therefore, it is necessary to avoid the interference part 33 when punching holes 52 inside the cylindrical product 31.

[0050] Furthermore, such as Figure 4 As shown, product 31 includes a cylinder and waste material 32 connected to the end face of the cylinder. When cutting the waste material 32 from product 31, shearing needs to be performed at the connection between the cylinder and the waste material 32. However, the punch 22 only moves up and down, and other parts of the connection between the cylinder of product 31 and the waste material 32 constitute interference parts 33. Therefore, it is necessary to avoid the interference parts 33 when cutting the waste material 32.

[0051] See appendix Figure 1 As shown, attached Figure 1 This is a structural schematic diagram of the present application. The present application has a lower mold base 18, a lower backing plate 17, a lower template 16, a stripper plate 15, a back stripper plate 14, an upper clamping plate 13, an upper backing plate 12, and an upper mold base 11 arranged sequentially upwards (stacked). (See attached diagram.) Figure 3As shown in the cross-sectional structure, a force transmission pin 21 is fixedly installed in the upper clamping plate 13. The top end of the force transmission pin 21 is pressed against the bottom surface of the upper pad plate 12. The bottom end of the force transmission pin 21 passes through the back ejector plate 14 and abuts against the top of the unloading punch 22. It is driven up and down by the punching of the punch press. The stripping plate 15 is provided with a pressing component 26, an unloading punch 22, a slider guide rail 23, and a moving slider 24. The slider guide rail 23 is fixed on the stripping plate 15. The upper clamping plate 13 drives the force transmission pin 21 to move up and down, and the stripping plate 15 drives the moving slider 24 to move up and down.

[0052] The upper mold assembly 61 includes an upper mold base 11, an upper pad 12, an upper clamping plate 13, and a back release plate 14; the lower mold assembly 62 includes a lower mold plate 16, a lower pad 17, and a lower mold base 18.

[0053] The lower template 16 is provided with a cavity 27, a buffer pad 29, a second ejector pin 38, and a slanted pin 25, with the slanted pin 25 fixedly placed in the lower template 16; the lower pad 17 is provided with a first ejector pin 37.

[0054] Further details can be found in the appendix. Figure 10 As shown, Figure 10 The structure of the die 27 is shown; a pressure member 26 is provided above the die 27, and a workpiece placement position 53 (for placing product 31) is provided between the pressure member 26 and the die 27; in other words, product 31 is placed on the workpiece placement position 53 between the die 27 and the pressure member 26.

[0055] The connection between the cylinder of product 31 and the waste material 32 is located near the die 27. The cylinder of product 31 is located between the pressure member 26 and the die 27, and the waste material 32 of product 31 is located on the outside of the die 27.

[0056] Furthermore, this application includes a stripper plate 15, in which a movable slider 24 is provided. Slider guide rails 23 are provided on both sides of the movable slider 24 parallel to the discharge punch 22. A groove 51 is provided on the side of the movable slider 24 closest to the slider guide rail 23, which slides and matches the slider guide rail 23. The slider guide rail 23 is disposed in the stripper plate 15. Specifically, a hole penetrating the upper and lower surfaces can be provided in the stripper plate 15, with slider rails 23 fixedly disposed on two opposite sides of the hole. The movable slider 24 is disposed in the hole, and the grooves 51 on both sides of the movable slider 24 cooperate with the slider guide rail 23 to achieve a sliding connection.

[0057] One end of the movable slider 24 is provided with an inclined structure that matches and cooperates with the inclined pin 25. The blanking punch 22 is slidably disposed at the end of the movable slider 24 away from the inclined structure. See Appendix. Figure 5 As shown, Figure 5The exploded view shows the movable slider 24. The end of the movable slider 24 furthest from the feeding punch 22 has a beveled pin 25; the end of the movable slider 24 facing the feeding punch 22 has a longitudinally penetrating trapezoidal groove 19. See appendix. Figure 12 As shown, Figure 12 The structure of the part with trapezoidal groove 19 is shown. The end of the feeding punch 22 near the movable slider 24 is provided with a trapezoidal platform 47 that matches the trapezoidal groove 19. The trapezoidal platform 47 is embedded in the trapezoidal groove 19 so that the feeding punch 22 can be slidably connected to one end of the movable slider 24.

[0058] When the shearing and punching mechanism of this application is working, the stripper plate 15 drives the movable slider 24 to move downward. When the movable slider 24 moves downward and contacts the inclined pin 25, the inclined structure of the inclined pin 25 pushes the movable slider 24 to move downward along the inclined plane. At the same time, the movable slider 24 drives the unloading punch 22 to move together, so that the unloading punch 22 moves directly above the position of the punching waste 32 or punching hole 52 required by the product 31. Then the unloading punch 22 is made into a clearance shape (clearance 36), and the unloading punch 22 (unloading punch head) is driven downward by the force transmission pin 21 to achieve closed punching or shearing of waste. That is, through the cooperation of the above mechanism, the unloading punch 22 can effectively avoid the interference part 33 on the front of the closed product 31. When shearing waste 32, the unloading punch 22 acts as a cutting edge, and when punching, the unloading punch 22 has a punching head 55 at the bottom front end.

[0059] The trapezoidal groove 19 is provided with a positioning hole 49 that is perpendicular to the direction of the trapezoidal groove (groove rail) and passes through the movable slider 24. That is, the trapezoidal groove 19 is provided with a positioning hole 49 that is horizontally perpendicular and passes through the movable slider 24. A limiting pin 48 is inserted into the positioning hole 49 and is locked in the positioning hole 49. The trapezoidal platform 47 is provided with a limiting groove 28 that matches the positioning hole 49 at one end near the movable slider 24. The positioning hole 49 and the limiting groove 28 are arranged adjacent to each other. The height of the limiting groove 28 is greater than the height of the positioning hole 49. The limiting pin 48 is locked in both the limiting groove 28 and the positioning hole 49. The stroke distance of the limiting pin 48 in the limiting groove 28 limits the punching movement distance of the unloading punch 22.

[0060] Furthermore, a force transmission pin 21 is provided above the blanking punch 22, and a buffer pad 29 is provided below the blanking punch 22. A pressure member 26 is located at the end of the blanking punch 22 away from the moving slider 24. A die 27 is provided below the pressure member 26. The buffer pad 29 and the die 27 are arranged adjacent to each other, and the side of the die 27 adjacent to the blanking punch 22 forms the punching working surface. During punching, the side of the die 27 adjacent to the buffer pad 29 is flush with the side of the blanking punch 22 away from the moving slider 24; during punching, the end of the blanking punch 22 extends into the cylindrical part of the product 31.

[0061] Further details can be found in the appendix. Figure 10 As shown, Figure 10 The structure of the die 27 is shown; a pressure member 26 is provided above the die 27, and a workpiece placement position 53 (for placing product 31) is provided between the pressure member 26 and the die 27; in other words, product 31 is placed on the workpiece placement position 53 between the die 27 and the pressure member 26.

[0062] Furthermore, in one embodiment, the blanking punch 22 has a relief portion 36 on the side near the pressure member 26, the relief portion 36 facing the workpiece placement position 53 between the pressure member 26 and the die 27. Furthermore, the product 31 is disposed on the workpiece placement position 53, see attached figure. Figure 11 As shown, Figure 11 The structure of the recess 36 is shown. The interference part 33 of the product 31 is above the punching position (scrap 32). The scrap 32 of the product 31 faces the blanking punch 22 and extends to the outside of the die 27. The opening of the recess 36 of the blanking punch 22 faces (towards) the interference part 33.

[0063] This application uses the inclined pin 25, the movable slider 24, and the force transmission pin 21 to achieve the following: the unloading punch 22 moves downward first, and then moves diagonally downward (this is only for illustrative purposes; see appendix). Figure 4 The punch 22 moves downwards to avoid the interference portion 33 of the product 31 and to shear off the waste material 32. The surface of the punch 22 facing the product 31 has a clearance portion 36, which creates a clearance space for the interference portion 33 of the product 31. In particular, when punching the side wall 52 of the cylindrical product 31, the bottom end of the punch 22 near the die 27 is provided with a punching head 55; the punching head 55 of the punch 22 needs to extend into the cylindrical product 31, and the interference portion 33 of the cylindrical product 31 (upper part) needs to extend into the clearance portion 36 of the punch 22 before the punching head 55 can punch the hole 52.

[0064] Furthermore, in one embodiment, a second ejector pin 38 is provided at the end (below) of the feeding punch 22 away from the force transmission pin 21, and a first ejector pin 37 is provided at the end (below) of the buffer pad 29 away from the feeding punch 22.

[0065] Furthermore, in one embodiment, the inclined pin 25 has a first inclined surface 41 inclined toward the movable slider 24 at one end near the movable slider 24, see Appendix Figure 8 As shown, Figure 8The diagram shows the structure of the inclined pin 25. A first vertical surface 42 is located at the end of the first inclined surface 41 near the movable slider 24 (i.e., the inclined bottom end). A second inclined surface 43, inclined towards the movable slider 24, is located at the end of the first vertical surface 42 away from the first inclined surface 41. A third inclined surface 44, matching the second inclined surface 43, is located at the end of the movable slider 24 near the inclined pin 25. A second vertical surface 45, matching the first vertical surface 42, is located on the third inclined surface 44. A fourth inclined surface 46, matching the first inclined surface 41, is located at the end of the second vertical surface 45 away from the third inclined surface 44. The inclined structure of the movable slider 24 includes the third inclined surface 44, the second vertical surface 45, and the fourth inclined surface 46. The inclined surfaces propel the movable slider 24, while the vertical surfaces control the descent distance of the movable slider 24, improving punching accuracy.

[0066] The side of the die 27 near the buffer pad 29 is provided with a first limiting point 34, and the side of the buffer pad 29 near the die 27 is provided with a matching second limiting point 35. The first limiting point 34 and the second limiting point 35 are slidably interlocked with each other, and the first limiting point 34 restricts the upward movement distance of the buffer pad 29 (through the second limiting point 35).

[0067] The upper mold assembly 61 and the stripper plate 15 drive the movable slider 24 to move downwards. After the movable slider 24 contacts the inclined pin 25, it moves downwards at an angle. When the movable slider 24 is aligned with the inclined surface of the inclined pin 25, the blanking punch 22 (punch head) moves just above the punching or piercing position. Then, the force transmission pin 21 drives the blanking punch 22 (punch head) to move downwards to complete the punching or piercing. There is a buffer spring between the upper clamping plate 13 and the back stripper plate 14. There are also springs below the first ejector pin 37 and the second ejector pin 38. The die 27 acts as a positioning die when punching and as a tool holder (blade) when shearing.

[0068] This application uses the inclined pin 25, matched with the movable slider 24 and the force transmission pin 21 to complete the feeding punch 22 to move downward first, then diagonally downward, and then downward again (see appendix). Figure 8 (This is just for illustrative purposes) The action is to avoid the interference part 33 of the product 31 to achieve punching or cutting. It greatly improves the die's ability to punch and form irregular shapes, enabling ordinary stamping dies to have the stamping process capabilities of advanced products, and reducing the cost of product manufacturing process.

[0069] The inclined pin 25 (the inclined block corresponding to the reverse matching of the movable slider 24) is fixedly placed in the lower template 16. The movable slider 24 is placed in the stripper plate 15. The stripper plate 15 itself is driven up and down by the punch, which generates an up and down driving force. When the movable slider 24 moves to the position of the inclined pin 25 on the lower template 16, the inclined block corresponding to the reverse matching generates a lateral force. The movable slider 24 moves diagonally downward, bringing the unloading punch 22 directly above the position to be punched.

[0070] The force transmission pin 21 is set in the upper clamping plate 13. It is driven up and down by the punching of the punch press, and impacts the blanking punch 22 to generate punching force.

[0071] The first ejector pin 37 under the buffer pad 29 serves to press the material, preventing the sheet from moving during punching and causing inaccurate punching position.

[0072] The second ejector pin 38 is for ejecting the material discharge punch 22, and can also be called the return ejector pin of the material discharge punch 22 (second ejector pin 38).

[0073] The above embodiments only illustrate several preferred implementations of the present invention, and their descriptions are relatively specific and detailed. It should be understood that the present invention is not limited to the forms disclosed herein and should not be construed as excluding other embodiments. It can be used in various other combinations, modifications, and environments, and can be modified within the scope of the inventive concept described herein through the above teachings or related field techniques or knowledge. This should not be construed as a limitation on the scope of the present invention. It should be noted that those skilled in the art can make several modifications and improvements without departing from the inventive concept. Such modifications and changes do not depart from the spirit and scope of the present invention, and all fall within the protection scope of the appended claims. Therefore, the protection scope of this patent should be determined by the appended claims.

Claims

1. A movable slider shearing and punching mechanism, comprising: The upper mold assembly (61) is characterized in that a force transmission pin (21) is provided in the upper mold assembly (61). The lower mold assembly (62) is provided with a beveled pin (25); A stripper plate (15), a movable slider (24) and a discharge punch (22) are disposed in the stripper plate (15); The stripper plate (15) is stacked between the upper mold assembly (61) and the lower mold assembly (62). The movable slider (24) is slidably connected in the stripper plate (15). One end of the movable slider (24) is provided with a slope structure that matches the slope pin (25). The blanking punch (22) is slidably disposed at the end of the movable slider (24) away from the slope structure. The blanking punch (22) is located directly below the force transmission pin (21). The end of the blanking punch (22) away from the movable slider (24) is provided with a clearance (36). The inclined pin (25) has a first inclined surface (41) that is inclined toward the movable slider (24) at one end near the movable slider (24), a first vertical surface (42) that is inclined toward the movable slider (24) at one end of the first inclined surface (41), and a second inclined surface (43) that is inclined toward the movable slider (24) at one end of the first vertical surface (42) away from the first inclined surface (41). The inclined structure of the movable slider (24) includes a third inclined surface (44), a second vertical surface (45), and a fourth inclined surface (46). The movable slider (24) has a third inclined surface (44) that matches the second inclined surface (43) at one end near the inclined pin (25). The third inclined surface (44) has a second vertical surface (45) that matches the first vertical surface (42) on its upper surface. The second vertical surface (45) has a fourth inclined surface (46) that matches the first inclined surface (41) at one end away from the third inclined surface (44). The movable slider (24) has a longitudinal trapezoidal groove (19) at one end facing the feeding punch (22), and the feeding punch (22) has a ladder platform (47) at one end near the movable slider (24) that matches the trapezoidal groove (19). The ladder platform (47) is embedded in the trapezoidal groove (19). The trapezoidal groove (19) is provided with a positioning hole (49) that is perpendicular to the trapezoidal groove (19) and passes through the movable slider (24). A limiting pin (48) is provided in the positioning hole (49) and the limiting pin (48) is locked in the positioning hole (49). The platform (47) has a limiting groove (28) at one end near the movable slider (24) that matches the positioning hole (49). The limiting groove (28) is arranged adjacent to the positioning hole (49). The height of the limiting groove (28) is greater than the height of the positioning hole (49). The limiting pin (48) is simultaneously engaged in the limiting groove (28) and the positioning hole (49).

2. The movable slider shearing and punching mechanism according to claim 1, characterized in that, The punch assembly includes a slider guide rail (23), which is fixedly disposed in the stripper plate (15); The stripper plate (15) is provided with the movable slider (24), and the movable slider (24) is provided with the slider guide rail (23) on both sides parallel to the feeding punch (22). The movable slider (24) is provided with a sliding groove (51) that slides and matches the slider guide rail (23) on the side close to the slider guide rail (23). The movable slider (24) and the slider guide rail (23) are slidably connected through the groove (51) and the guide rail on the slider guide rail (23).

3. The movable slider shearing and punching mechanism according to claim 1, characterized in that, The upper mold assembly (61) includes an upper clamping plate (13) and a back stripping plate (14). The back stripping plate (14) is stacked on top of the stripping plate (15), and the upper clamping plate (13) is stacked on top of the back stripping plate (14). The force transmission pin (21) is fixedly installed in the upper clamping plate (13). The top end of the force transmission pin (21) is pressed against the bottom surface of the upper pad plate (12). The bottom end of the force transmission pin (21) passes through the back release plate (14) and abuts against the top of the feeding punch (22). The lower mold assembly (62) includes a lower template (16), which is stacked below the stripper plate (15), and the inclined pin (25) is fixedly disposed in the lower template (16); A buffer pad (29) is provided below the feeding punch (22), and the buffer pad (29) is disposed in the lower template (16).

4. The movable slider shearing and punching mechanism according to claim 3, characterized in that, The stripper plate (15) is also provided with a pressing component (26), which is located at the end of the unloading punch (22) away from the moving slider (24). The lower template (16) is also provided with a die (27), which is located below the pressing component (26). The buffer pad (29) is located adjacent to the die (27). A workpiece placement position (53) is provided between the pressing component (26) and the die (27).

5. A movable slider shearing and punching mechanism according to claim 4, characterized in that, The blanking punch (22) has a relief (36) on the side near the pressure member (26), and the opening of the relief (36) faces the workpiece placement position (53) between the pressure member (26) and the die (27). The blanking punch (22) is provided with a second ejector pin (38) at the end away from the force transmission pin (21). The second ejector pin (38) is located in the lower template (16). The second ejector pin (38) is located at the end of the buffer pad (29) away from the die (27). The buffer pad (29) is located below the waste material (32) of the product (31). The buffer pad (29) and the die (27) together support the product (31). The buffer pad (29) is provided with a first ejector pin (37) at the end away from the waste material (32) of the product (31).

6. The movable slider shearing and punching mechanism according to claim 4, characterized in that, The concave mold (27) has a first limiting point (34) on the side near the buffer pad (29), and the buffer pad (29) has a matching second limiting point (35) on the side near the concave mold (27). The first limiting point (34) and the second limiting point (35) are slidably interlocked.

7. The movable slider shearing and punching mechanism according to claim 1, characterized in that, The stripper plate (15) is provided with a back stripper plate (14), an upper clamping plate (13), an upper pad plate (12), and an upper mold base (11) in sequence upwards. The stripper plate (15) is provided with a lower template plate (16), a lower pad plate (17), and a lower mold base (18) in sequence downwards. The upper clamping plate (13) is provided with the force transmission pin (21); the stripping plate (15) is provided with the pressing component (26), the unloading punch (22), the slider guide rail (23), and the moving slider (24); The lower template (16) is provided with a concave mold (27), a buffer pad (29), a second ejector pin (38), and a slanted pin (25), which is fixedly placed in the lower template (16); the lower pad (17) is provided with a first ejector pin (37).

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