Punching equipment for plate punching

By introducing components such as U-shaped plates and hydraulic cylinders into sheet metal stamping and punching equipment, adjustable support and precise positioning are provided, solving the problems of sheet metal swaying and inaccurate positioning, and achieving efficient and stable punching processing.

CN223811461UActive Publication Date: 2026-01-20HUBEI JIXIANG ZHAO DOOR IND CO LTD
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Patent Information

Application Number
CN202520404647.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-10
Publication Date
2026-01-20
Estimated Expiration
2035-03-10

AI Technical Summary

Technical Problem

Traditional sheet metal punching and drilling equipment lacks effective expansion support when processing larger sheet metal, causing the sheet metal to wobble and shift, affecting punching accuracy and production efficiency. Manual or simple mechanical feeding cannot meet the requirements for precise positioning, resulting in hole position deviation and high defect rate.

Method used

It adopts a structure including a U-shaped plate, hydraulic cylinder, extension support assembly, retraction and adjustment assembly, reset assembly, guide wheel and limit assembly, etc., to provide adjustable support, precise positioning and continuous feeding. Stable conveying of the sheet material is achieved through hydraulic control and the friction of the guide wheel.

Benefits of technology

It improves punching accuracy and production efficiency, reduces labor costs, meets the needs of high-precision manufacturing, and reduces the defect rate.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of plate punching equipment, and discloses punching equipment for plate punching, which comprises a U-shaped plate, a hydraulic cylinder, a mounting seat, a punching head, an expanding support component, a retractable adjusting component, two support plates, a reset component, two rotating shafts, four guide wheels, a one-way rotating component and a limiting component. The hydraulic cylinder is fixedly mounted on the inner wall of the top of the U-shaped plate, the mounting seat is fixedly mounted at the working end of the hydraulic cylinder, the punching head is detachably mounted in the middle of the bottom side of the mounting seat, a groove is formed in the inner wall of the bottom of the U-shaped plate, and a lower die located under the punching head is fixedly mounted in the groove. The utility model has the following advantages and effects: the utility model has the advantages of expanding support, flexible feeding and accurate positioning, not only can improve the production efficiency and reduce the labor cost, but also can obviously improve the product quality, and meets the increasingly diversified and high-precision requirements of the manufacturing industry.
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Description

TECHNICAL FIELD

[0001] The utility model relates to plate punching processing equipment technical field, especially a kind of for plate stamping punching equipment. BACKGROUND

[0002] In the field of plate processing, stamping punching process is widely applied in many manufacturing industries, from automobile parts production to electronic equipment shell manufacturing, to building decoration material processing, its importance is self-evident.

[0003] Traditional plate stamping punching equipment exposes many drawbacks in long-term use.In processing larger size plate, due to lack of effective expansion support assembly, plate is prone to shaking and displacement in stamping process, not only seriously affect the punching precision, but also may cause equipment failure, reduce production efficiency and product qualification rate.For example, in the stamping punching of automobile large cover, the instability of plate makes the hole position deviation exceed the allowable range, resulting in a large number of defective products.

[0004] In the past, it is relied on manual feeding or simple mechanical feeding mode, the former is labor-intensive, and feeding accuracy and speed are unstable due to human factors;The latter is single function, and cannot meet the flexible adjustment of different production needs.For example, in the punching of electronic equipment precision plate, manual feeding is difficult to ensure the accuracy of plate positioning every time, resulting in that the position accuracy of hole cannot meet the requirements;In the traditional punching process, manual feeding is often used, and the stability of plate is maintained by hand, which is easy to cause displacement of plate in stamping process and affect the accuracy of stamping processing.

[0005] In the face of these challenges, the utility model provides a kind of plate stamping punching equipment to solve the above problems.

[0006] The information disclosed in this background section is intended only to increase an understanding of the general context of the utility model, and should not be taken as an acknowledgement or implication that this information constitutes prior art to the utility model. UTILITY MODEL CONTENT

[0007] The utility model aims at providing a kind of plate stamping punching equipment, which has the advantages of expansion support, flexible feeding and accurate positioning according to actual punching processing requirements, not only can improve production efficiency and reduce labor cost, but also can significantly improve product quality, meet the effect of increasingly diversified and high-precision manufacturing industry demand.

[0008] The technical purpose is achieved by the following technical scheme: a plate stamping and punching device, comprising a U-shaped plate, a hydraulic cylinder, a mounting seat, a punching head, an expansion support assembly, a folding adjustment assembly, two supporting plates, a reset assembly, two rotating shafts, four guide wheels, a one-way rotating assembly and a limiting assembly.

[0009] The hydraulic cylinder is fixedly installed on the top inner wall of the U-shaped plate, the mounting seat is fixedly installed on the working end of the hydraulic cylinder, the punching head is detachably installed on the central position of the bottom side of the mounting seat, a groove is formed in the bottom inner wall of the U-shaped plate, and a lower die is fixedly installed in the groove below the punching head.

[0010] The expansion support assembly is arranged on the two sides of the U-shaped plate, supporting legs are fixedly installed on the four corners of the bottom side of the U-shaped plate, the folding adjustment assembly is arranged on the four supporting legs and connected with the expansion support assembly and the bottom side of the U-shaped plate.

[0011] The reset assembly is arranged on the two sides of the mounting seat and symmetrically arranged, the two supporting plates are arranged on the reset assembly and symmetrically arranged, and the two rotating shafts are rotatably installed on the sides of the two supporting plates away from the mounting seat.

[0012] An installation groove is formed in the side of the supporting plate away from the mounting seat, the one-way rotating assembly is arranged in the two installation grooves and connected with the two rotating shafts, guide wheels are fixedly sleeved on the front and rear ends of the two rotating shafts, and the limiting assembly is arranged on the top side of the mounting seat and connected with the two supporting plates.

[0013] Further, the expansion support assembly comprises two supporting plates, two supporting blocks are fixedly installed on the two sides of the U-shaped plate, and the same supporting plate is rotatably installed on the two supporting blocks on the same side.

[0014] By adopting the above technical scheme, the expansion support effect can be provided for the plate to be stamped and punched when the two supporting plates are in the horizontal state, and the supporting plates can be turned down for quick storage when not in use.

[0015] Further, the folding adjustment assembly comprises two sliding plates, two supporting rods, a connecting plate and an electric cylinder, the electric cylinder is fixedly installed on the bottom side of the U-shaped plate, the connecting plate is fixedly installed on the working end of the electric cylinder, the same sliding plate is slidably installed on the two supporting legs on the same side, the two sliding plates are fixedly connected through the connecting plate, the supporting rods are hingedly installed on the sides of the two sliding plates away from each other, and the ends of the two supporting rods away from the sliding plates are hingedly installed on the bottom sides of the corresponding supporting plates.

[0016] By adopting the above technical scheme, the folding operation of the supporting plates can be controlled as required.

[0017] The further setting of the utility model discloses: the reset component includes four fixed blocks, two rotating pins and four torsional springs, and both sides of the mounting seat are fixedly installed with two fixed blocks, the same side two fixed blocks are rotatably installed with the same rotating pin, two support plates are fixedly installed on the corresponding rotating pin respectively, and the torsional spring is fixedly installed on the front and back sides of the support plate, four torsional springs are fixedly connected with the corresponding fixed block respectively, and four torsional springs are movably sleeved on the outside of the corresponding rotating pin.

[0018] By adopting the above technical scheme, the free ends of the two support plates can be reset in the direction of approaching each other when the mounting seat moves upward.

[0019] The further setting of the utility model discloses: the one-way rotating component includes two ratchets, two pawls and two springs, the pawl is rotatably installed in the two installation grooves, the ratchet is fixedly sleeved on the two rotating shafts, the two ratchets are arranged in the same direction, the two pawls are matched with the corresponding ratchet respectively, the spring is fixedly installed on the two pawls, and the end, away from the pawl, of the two springs is fixedly connected with the inner wall of the corresponding installation groove.

[0020] By adopting the above technical scheme, the four guide wheels can keep one-way rotation in the same direction, so that the guide wheels can horizontally convey the punched plate when the mounting seat moves upward, and the guide wheels can not affect the pressing positioning effect on the plate when the mounting seat moves downward.

[0021] The further setting of the utility model discloses: the limiting component includes two fixed strips, two adjusting plates, two limiting plates, a bidirectional screw rod, two protrusions and two limiting rods, the top side of the mounting seat is fixedly installed with two fixed strips arranged in parallel with each other, the same bidirectional screw rod is rotatably installed on the two fixed strips, the top side of the mounting seat is slidably installed with two adjusting plates, the two adjusting plates are threadedly connected with the bidirectional screw rod, the bottom of the side, away from each other, of the two adjusting plates is fixedly installed with the limiting plate, the two limiting plates extend to the two sides of the mounting seat by penetrating through the corresponding fixed strips, the top side of the two support plates is fixedly installed with the protrusion, the limiting rod is fixedly installed on the two protrusions, and the two limiting plates are matched with the corresponding limiting rods.

[0022] By adopting the above technical scheme, the support plate can be limited by the cooperation of the limiting plate and the limiting rod when the two support plates deflect upward to the horizontal state, so that the state of selection according to actual needs can be achieved.

[0023] The further setting of the utility model discloses: the length of the limiting rod is not less than the width of the mounting seat.

[0024] By adopting the technical scheme, the operator can manually control the upward deflection of the supporting plate, and the overlap of the handheld position and the position of the limiting plate on the limiting rod can be avoided to prevent the operator from being injured.

[0025] The utility model discloses further provide for: the one end of two -way screw rod extends to the one side of mounting seat and fixedly covers and sets with the adjusting wheel.

[0026] By adopting the technical scheme, the operator can manually control the upward deflection of the supporting plate, and the overlap of the handheld position and the position of the limiting plate on the limiting rod can be avoided to prevent the operator from being injured.

[0027] The utility model discloses further provide for: the front side of recess is forwardly -perforated U -shaped board, and the position of recess is located lower side of the inclined shape setting of high -back.

[0028] By adopting the technical scheme, the operator can manually control the upward deflection of the supporting plate, and the overlap of the handheld position and the position of the limiting plate on the limiting rod can be avoided to prevent the operator from being injured.

[0029] The utility model discloses further provide for: the front side of recess is forwardly -perforated U -shaped board, and the position of recess is located lower side of the inclined shape setting of high -back.

[0030] The utility model discloses further provide for: the front side of recess is forwardly -perforated U -shaped board, and the position of recess is located lower side of the inclined shape setting of high -back. BRIEF DESCRIPTION OF DRAWINGS

[0031] In order to more clearly illustrate the technical scheme in the embodiment of the utility model, the following will be briefly introduced to the drawing needed to be used in the embodiment description, and obviously, the drawing in the following description is only some embodiments of the utility model, and for those skilled in the art, under the premise of not paying the creative labor, other drawings can also be obtained according to these drawings.

[0032] Figure 1 A three-dimensional structure schematic diagram for the plate stamping and punching equipment is provided for the utility model.

[0033] Figure 2 For Figure 1 Another perspective schematic view of the three-dimensional structure;

[0034] Figure 3 For the structure diagram of the receiving and adjusting assembly part of the utility model;

[0035] Figure 4 For the local structure diagram of the support plate, the protruding block, the limiting rod, the rotating shaft, the guide wheel, the one-way rotating assembly and the reset assembly of the utility model;

[0036] Figure 5 For the structure diagram of the ratchet wheel, the pawl and the spring part of the utility model;

[0037] Figure 6 For the structure diagram of the adjusting plate, the bidirectional screw rod, the adjusting wheel and the limiting plate part of the utility model.

[0038] In the figure, 1, U-shaped plate; 11, hydraulic cylinder; 12, mounting seat; 13, punching head; 2, supporting plate; 21, sliding plate; 22, supporting rod; 23, connecting plate; 24, electric cylinder; 3, support plate; 301, fixed block; 302, torsional spring; 31, guide wheel; 311, rotating shaft; 312, ratchet wheel; 313, pawl; 314, spring; 4, limiting plate; 41, adjusting plate; 42, bidirectional screw rod; 43, protruding block; 44, limiting rod. DETAILED DESCRIPTION

[0039] The technical solutions of the utility model will be described clearly and completely in combination with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0040] Referring to Figures 1-6 A kind of for plate stamping punching equipment, including U-shaped plate 1, hydraulic cylinder 11, mounting seat 12, punching head 13, two support plates 3, two rotating shafts 311 and four guide wheels 31, the hydraulic cylinder 11 is fixedly installed on the top inner wall of U-shaped plate 1, the mounting seat 12 is fixedly installed on the working end of hydraulic cylinder 11, the punching head 13 can be detachably installed in the middle position of the bottom side of mounting seat 12, recess is set up on the bottom inner wall of U-shaped plate 1, and lower die is fixedly installed in the recess below punching head 13;

[0041] Both sides of the U-shaped plate 1 are fixedly provided with two supporting blocks, the same side of the two supporting blocks is rotatably provided with the same supporting plate 2, and the top side of the supporting plate 2 is provided with a smooth surface, which can provide an expanding support effect for the plate material punched and perforated when the two supporting plates 2 are in a horizontal state, and can be turned down when not in use, thereby realizing the effect of quick storage. The bottom side of the U-shaped plate 1 is fixedly provided with supporting legs at four corners, and the bottom side of the U-shaped plate 1 is fixedly provided with an electric cylinder 24, and the working end of the electric cylinder 24 is fixedly provided with a connecting plate 23. The same side of the two supporting legs is slidably provided with the same sliding plate 21, and the two sliding plates 21 are fixedly connected through the connecting plate 23. The side away from each other of the two sliding plates 21 is hingedly provided with a supporting rod 22, and the end away from the sliding plate 21 of the two supporting rods 22 is respectively hingedly provided at the bottom side of the corresponding supporting plate 2, so that the supporting plate 2 can be controlled to be folded and unfolded according to the need;

[0042] Both sides of the mounting seat 12 are fixedly provided with two fixed blocks 301, the same side of the two fixed blocks 301 is rotatably provided with the same rotating pin, and the two supporting plates 3 are respectively fixedly provided on the corresponding rotating pins in the radial direction. The front and rear sides of the supporting plate 3 are fixedly provided with torsion springs 302, the four torsion springs 302 are respectively fixedly connected with the corresponding fixed blocks 301, and the four torsion springs 302 are respectively movably sleeved on the outside of the corresponding rotating pins, so that the free ends of the two supporting plates 3 can be reset in the direction of approaching each other when the mounting seat 12 moves upward. Two rotating shafts 311 are respectively rotatably provided on the side away from the mounting seat 12 of the two supporting plates 3, four guide wheels 31 are respectively rotatably provided on the front and rear ends of the corresponding rotating shafts 311, and the guide wheels 31 are provided with rubber coating, so as to improve the friction between the guide wheels 31 and the plate when the guide wheels 31 do not rotate;

[0043] The side away from the mounting seat 12 of the supporting plate 3 is provided with a mounting groove, two ratchets 313 are rotatably provided in the two mounting grooves, two ratchets 312 are fixedly sleeved on the two rotating shafts 311, the two ratchets 312 are provided in the same direction, the two ratchets 313 are respectively matched with the corresponding ratchets 312, two springs 314 are fixedly provided on the two ratchets 313, and the ends away from the ratchets 313 of the two springs 314 are respectively fixedly connected with the inner walls of the corresponding mounting grooves. The four guide wheels 31 can be kept one-way rotating in the same direction, so that the guide wheels 31 can horizontally convey the plate for punching and perforating when the mounting seat 12 moves upward, and the guide wheels 31 can not affect the pressing and positioning effect of the plate when the mounting seat 12 moves downward;

[0044] The top side of the mounting base 12 is fixedly provided with two fixed strips arranged in parallel with each other, and a same bidirectional screw rod 42 is rotatably arranged on the two fixed strips. Two adjusting plates 41 are slidably arranged on the top side of the mounting base 12, and the two adjusting plates 41 are threadedly connected with the bidirectional screw rod 42. The bottom side of each of the two adjusting plates 41 away from each other is fixedly provided with a limiting plate 4, and the two limiting plates 4 respectively extend through the corresponding fixed strips and extend to the two sides of the mounting base 12. The top side of each of the two supporting plates 3 is fixedly provided with a protrusion 43, and a limiting rod 44 is fixedly arranged on the protrusion 43. The two limiting plates 4 are respectively matched with the corresponding limiting rods 44, so that the supporting plates 3 can be limited when the two supporting plates 3 are upwardly deflected to the horizontal state, so as to be selected according to actual needs. In addition, in order to facilitate the operator to control the rotation of the bidirectional screw rod 42, one end of the bidirectional screw rod 42 extends to one side of the mounting base 12 and is fixedly provided with an adjusting wheel.

[0045] Specifically, in order to facilitate the operator to manually control the upward deflection of the supporting plate 3, and to avoid the overlap of the handheld position and the position of the limiting plate 4 acting on the limiting rod 44, the length of the limiting rod 44 is not less than the width of the mounting base 12.

[0046] Specifically, in order to guide the waste slag and the like discharged in the punching process, and to avoid the accumulation of the waste slag and the like in the groove, the front side of the groove extends through the U-shaped plate 1, and the position of the groove on the front side of the lower mold is arranged in an inclined manner with the front low and the back high.

[0047] The existing technology is adopted for the circuit, electronic components and module mechanism, and the skilled person in the art can realize it without further description. The content protected by the present application does not involve the improvement of software, circuit and method.

[0048] Working principle: first, turn on the power, through the electric cylinder 24 control connecting plate 23 and two sliding plate 21 upward movement, so as to be able to control two supporting plate 2 upward deflection to horizontal state under the cooperation of two supporting rod 22, push the plate from the right supporting plate 2 position to the left, then lift the guide wheel 31 above the plate, then loosen, under the action of torsional spring 302 can make the supporting plate 3 have a downward force, so as to realize the plate compression positioning, along with the hydraulic cylinder 11 control mounting base 12 and punching head 13 up and down movement, can be carried out punching work to the plate through the lower die and punching head 13 position, along with the continuous punching work, when the mounting base 12 downward movement, guide wheel 31 along the plate surface rolling, neither affect the plate compression positioning, but also can ensure the stable operation of punching work, once punching is completed, the mounting base 12 will be controlled by the hydraulic cylinder 11 upward movement, at this time the supporting plate 3 will be deflected to the direction of the lower die under the action of torsional spring 302, while the pawl 313 will be clamped in the ratchet wheel 312 and limit its rotation under the action of spring 314, since the four guide wheels 31 are all set in the way of rubber to increase the friction between the plate in the case of not rotating, make the supporting plate 3 in the direction of the lower die deflection at the same time using multiple guide wheels 31 acting on the force of the plate to control the plate from right to left conveying, so as to realize continuous and stable punching work without manual feeding, while the displacement control of single conveying is realized by controlling the hydraulic cylinder 11 adjusting the mounting base 12 lifting height.

[0049] The plate punching equipment is described in detail. The principles and implementation methods of the present application are described in this paper. The above examples are used to help understand the method and core idea of the present application. It should be noted that for ordinary skilled persons in the technical field, without departing from the principles of the present application, the present application can be improved and modified. These improvements and modifications also fall within the scope of the present application.

Claims

1. A punching and drilling device for sheet metal, characterized in that, Includes a U-shaped plate (1), a hydraulic cylinder (11), a mounting base (12), a punch head (13), an extension support assembly, a retraction and adjustment assembly, two support plates (3), a reset assembly, two rotating shafts (311), four guide wheels (31), a one-way rotation assembly, and a limit assembly; The hydraulic cylinder (11) is fixedly installed on the top inner wall of the U-shaped plate (1), the mounting base (12) is fixedly installed on the working end of the hydraulic cylinder (11), the punch head (13) is detachably installed on the bottom center of the mounting base (12), a groove is provided on the bottom inner wall of the U-shaped plate (1), and a lower die located directly below the punch head (13) is fixedly installed in the groove; The extended support assembly is set on both sides of the U-shaped plate (1), and the four corners of the bottom side of the U-shaped plate (1) are fixedly installed with support legs. The retractable adjustment assembly is set on the four support legs and connected to the extended support assembly and the bottom side of the U-shaped plate (1). The reset assembly is arranged symmetrically on both sides of the mounting base (12), and the two support plates (3) are both arranged symmetrically on the reset assembly. The two rotating shafts (311) are respectively rotatably installed on the side of the two support plates (3) away from the mounting base (12). The support plate (3) has an installation groove on the side away from the mounting base (12). The one-way rotation component is set in the two installation grooves and connected to the two rotating shafts (311). Guide wheels (31) are fixedly sleeved at both ends of the two rotating shafts (311). The limiting component is set on the top side of the mounting base (12) and connected to the two support plates (3).

2. The punching and drilling equipment for sheet metal according to claim 1, characterized in that: The extended support assembly includes two trays (2), and two support blocks are fixedly installed on both sides of the U-shaped plate (1). The same tray (2) is rotatably installed on the two support blocks located on the same side.

3. The punching and drilling equipment for sheet metal according to claim 2, characterized in that: The retraction and adjustment assembly includes two sliding plates (21), two support rods (22), a connecting plate (23), and an electric cylinder (24). The electric cylinder (24) is fixedly installed on the bottom side of the U-shaped plate (1). The working end of the electric cylinder (24) is fixedly installed with the connecting plate (23). The same sliding plate (21) is slidably installed on the two support legs located on the same side. The two sliding plates (21) are fixedly connected by the connecting plate (23). The support rods (22) are hinged to the side of the two sliding plates (21) that are far away from each other. The ends of the two support rods (22) that are far away from the sliding plates (21) are respectively hinged to the bottom side of the corresponding support plate (2).

4. The punching and drilling equipment for sheet metal according to claim 1, characterized in that: The reset assembly includes four fixed blocks (301), two rotating pins and four torsion springs (302). Two fixed blocks (301) are fixedly installed on both sides of the mounting base (12). The same rotating pin is rotatably installed on the two fixed blocks (301) on the same side. Two support plates (3) are radially fixedly installed on the corresponding rotating pins. Torsion springs (302) are fixedly installed on both the front and rear sides of the support plates (3). The four torsion springs (302) are fixedly connected to the corresponding fixed blocks (301) respectively, and the four torsion springs (302) are movably sleeved on the outside of the corresponding rotating pins.

5. The punching and drilling equipment for sheet metal according to claim 1, characterized in that: The unidirectional rotation assembly includes two ratchet wheels (312), two pawls (313), and two springs (314). Pawls (313) are rotatably mounted in both mounting slots. Two ratchet wheels (312) are fixedly sleeved on both rotating shafts (311). The two ratchet wheels (312) are arranged in the same direction. The two pawls (313) are respectively adapted to the corresponding ratchet wheels (312). Springs (314) are fixedly mounted on both pawls (313). The ends of the two springs (314) away from the pawls (313) are respectively fixedly connected to the inner walls of the corresponding mounting slots.

6. The punching and drilling equipment for sheet metal according to claim 1, characterized in that: The limiting assembly includes two fixing bars, two adjusting plates (41), two limiting plates (4), and a bidirectional screw (42). Two fixing bars arranged in parallel are fixedly installed on the front of the top side of the mounting base (12). The same bidirectional screw (42) is rotatably installed on the two fixing bars. Two adjusting plates (41) are slidably installed on the top side of the mounting base (12). Both adjusting plates (41) are threadedly connected to the bidirectional screw (42). Limiting plates (4) are fixedly installed on the bottom of the two adjusting plates (41) on the side away from each other. The two limiting plates (4) pass through the corresponding fixing bars and extend to both sides of the mounting base (12).

7. The punching and drilling equipment for sheet metal according to claim 6, characterized in that: The limiting assembly also includes two protrusions (43) and two limiting rods (44). The top sides of the two support plates (3) are fixedly installed with protrusions (43) and the two protrusions (43) are fixedly installed with limiting rods (44). The two limiting plates (4) are respectively adapted to the corresponding limiting rods (44).

8. The sheet metal punching and drilling equipment according to claim 7, characterized in that: The length of the limiting rod (44) is not less than the width of the mounting base (12).

9. A punching and drilling device for sheet metal according to claim 6, characterized in that: One end of the bidirectional lead screw (42) extends to one side of the mounting base (12) and is fixedly fitted with an adjusting wheel.

10. A punching and drilling device for sheet metal according to claim 1, characterized in that: The front side of the groove extends forward through the U-shaped plate (1), and the groove is located on the front side of the lower mold with an inclined shape that is lower in the front and higher in the back.