Punching device

Abstract

The utility model discloses a punching device, and relates to the technical field of shell material machining. The punching device comprises an upper die set, a lower die set, a female die set used for containing a workpiece to be machined, a plurality of punching assemblies movably assembled on the peripheral side of the female die set, and a driving piece used for driving the punching assemblies to move towards one side of the female die set for punching. The punching assembly comprises a sliding block assembled on the side close to the female die block in a sliding mode, a check block assembled on the side, away from the female die block, of the sliding block and a punch piece fixedly assembled in the sliding block, and one end of the punch piece extends and protrudes towards the side of the female die block. When the upper die set presses downwards towards the lower die set, the driving piece is placed between the sliding block and the check block so as to push the sliding block to move towards one side of the female die set, and the punch piece is driven to punch the to-be-machined piece. By the adoption of the technical scheme, compared with a one-by-one punching device, the punching device can conduct multiple punching at a time, and has the advantages that repositioning is not needed, the precision of the punching position is improved, and the cost can be reduced.

Description

Technical Field

[0001] This utility model relates to the field of shell processing technology, specifically to a punching device. Background Technology

[0002] In modern manufacturing, the demand for processing structural components such as cylindrical or columnar parts is increasing. These parts are widely used in various fields such as automobiles, aerospace, and machinery, and have high requirements for manufacturing precision, efficiency, and cost control. Traditional stamping processes are usually designed for flat sheet metal. However, for cylindrical or other non-planar structural parts that require punching, existing punching devices typically use a single, sequential punching method, meaning that punching can only be performed at one position at a time, and then the workpiece is moved to the next predetermined position to continue punching. Because repositioning is required after each punching, the entire processing is time-consuming, resulting in low production efficiency and increased production costs. Furthermore, multiple movements and repositionings may introduce cumulative errors, affecting the quality of the final product. Utility Model Content

[0003] The purpose of this invention is to address the shortcomings and deficiencies of existing technologies by providing a punching device that can perform multiple punches at once, eliminating the need for repositioning, improving the accuracy of the punching position, and reducing costs.

[0004] To achieve the above objectives, the technical solution adopted by this utility model is: a punching device, comprising: an upper module, a lower module disposed on the lower side of the upper module, a concave module mounted on the upper module for placing the workpiece to be processed, a plurality of punching components movably mounted on the periphery of the concave module, and a driving component fixedly mounted on the bottom of the upper module for driving the punching components to move toward one side of the concave module to perform punching;

[0005] The punching assembly includes: a slider slidably mounted near the concave module side, a stop block mounted on the slider away from the concave module side, and a punch fixedly mounted inside the slider with one end extending towards the concave module side.

[0006] When the upper module is pressed down toward the lower module, the driving member is placed between the slider and the stop to push the slider toward the concave module side, thereby driving the punch to punch holes in the workpiece.

[0007] The present invention further provides that the side of the stop block facing away from the concave module is provided with an elastic element.

[0008] The present invention further includes, wherein the elastic element comprises: a fixed shaft that is movably inserted through the stop block and fixedly connected at one end to the slider, and a spring element sleeved on the fixed shaft at the end away from the slider.

[0009] The present invention further provides that the end of the driving member is provided with an arched clearance hole for avoiding the fixed shaft.

[0010] The present invention further provides that the end of the driving member is provided with a first guide slope, and the slider is provided with a second guide slope that cooperates with the first guide slope.

[0011] The present invention further includes, in that the punching assembly, a material ejector disposed between the concave module and the slider.

[0012] The present invention is further provided that the ejector component is arranged in an arc shape on the side facing the concave module.

[0013] The present invention further provides that the bottom of the upper module is provided with a plurality of waste materials that pass through the workpiece to be processed and are placed inside the recessed module.

[0014] The present invention further provides that the recessed module has a discharge port that extends through to the bottom of the lower module and is used for discharging waste materials.

[0015] The present invention further provides that the top of the lower module is provided with a limiting post that abuts against the upper module.

[0016] After adopting the above technical solution, the beneficial effects of this utility model are as follows: In this utility model, by setting multiple punching components around the concave module and the driving component, wherein the punching component includes a slider slidably mounted near the concave module, a stop block cooperating with the slider, and a punch fixedly mounted in the slider and extending towards the concave module for punching, when the workpiece to be processed is placed on the concave module, the upper module presses down towards the lower module, driving the driving component to be placed between the slider and the stop block, thereby pushing the slider to slide towards the concave module, and the slider drives the punch to punch the workpiece to be processed. In the above punching process, the driving component simultaneously pushes the punches on multiple punching components to punch, realizing that multiple punching operations can be completed in one punching. Compared with the method of punching one hole with a single punch, there is no need for repositioning, which improves the punching accuracy, reduces the punching position deviation, greatly improves the punching efficiency and reduces the punching cost. Attached Figure Description

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

[0018] Figure 1 This is an exploded view of the punching device.

[0019] Figure 2 This is a schematic diagram of the front structure of the punching device;

[0020] Figure 3 It corresponds Figure 2 A schematic diagram of the AA cross-sectional structure in the diagram;

[0021] Figure 4 This is an exploded view of the punching assembly and drive component.

[0022] Figure 5 This is another exploded view of the punching assembly and drive component.

[0023] Explanation of reference numerals in the attached drawings: 100, upper module; 110, upper die base; 120, upper backing plate; 130, upper clamping plate; 140, pressure plate; 150, scrap part; 200, lower module; 210, lower die base; 220, lower template; 221, slide groove; 230, limiting post; 300, concave module; 310, discharge port; 320, concave die cutting edge; 400, punching assembly; 410, slider; 411, first guide slope; 420, stop block; 430, punch part; 440, elastic element; 441, fixed shaft; 442, spring part; 450, ejector part; 500, driving element; 510, clearance hole; 520, second guide slope; 600, part to be processed. Detailed Implementation

[0024] The present invention will be further described in detail below with reference to the accompanying drawings.

[0025] This specific embodiment is merely an explanation of the present utility model and is not intended to limit the present utility model. After reading this specification, those skilled in the art can make modifications to this embodiment without contributing any inventive element, but as long as they are within the scope of the claims of the present utility model, they are protected by patent law.

[0026] This embodiment relates to a punching device, see reference Figures 1-5The system includes an upper die 100, a lower die 200, a punching assembly 400, and a driving component 500. The upper die 100 provides support for the driving component 500 and works in conjunction with the lower die 200 during the punching process to complete the punching action. It includes, from top to bottom, an upper die base 110, an upper pad 120, an upper clamping plate 130, and a pressure plate 140. The lower die 200 is located below the upper die 100, providing a stable base. It is normally fixed and provides the necessary reaction force for the punching process. The lower die 200 includes, from bottom to top, a lower die base 210 and a lower template 220. The lower template 220 has a groove 221 for assembling multiple punching assemblies 400. A recessed module 300 is located in the middle of the lower die 200 and is used to place the workpiece 600 to be processed, ensuring the correct positioning of the workpiece 600 with a specific shape. Specifically, the recessed module 300 is cylindrical. In other embodiments, the recessed module 300 may also be square or other shapes. Specifically, in this embodiment, four sets of punching components 400 are provided, and the lower template 220 is provided with four slides 221. Each set of punching components 400 is movably assembled in each slide 221 within the lower template 220. Specifically, the slides 221 are cross-shaped, allowing the punching components 400 to move in multiple directions to adapt to different punching requirements. In other embodiments, the slides 221 may also be other shapes. It should be noted that the number of punching components 400 and slides 221 is not limited here. The driving member 500 is connected to the bottom of the upper mold 100 and is used to drive the punching components 400 to perform punching. Specifically, the driving member 500 is a driving cutter. When the upper mold base 110 moves downward, the driving cutter can effectively push the punching components 400 to move and punch the workpiece 600.

[0027] Furthermore, refer to Figure 3The punching assembly 400 includes a slider 410, a stop 420, and a punch 430. The slider 410 is slidably mounted on the side near the recessed module 300 and can move within a groove 221 in the lower template 220 when pushed by the drive member 500. The stop 420 is located on the side of the slider 410 away from the recessed module 300, specifically abutting against the outer edge of the lower template 220. It closes the groove 221 to prevent the slider 410 from sliding out of the groove 221 and provides a contact surface when the drive member 500 is inserted, allowing force to be effectively transmitted to the slider 410. The punch 430 is located inside the slider 410, with one end extending and protruding towards the recessed module 300 to penetrate the workpiece 600 and form a hole. Therefore, when the upper module 100 presses down towards the lower module 200, the drive component 500 is positioned between the slider 410 and the stop block 420. Due to the pushing action of the drive component 500, the slider 410, together with the punch component 430, moves towards the concave module 300. At this time, the punch component 430 applies pressure to the workpiece 600 to be processed, thereby achieving punching. Once punching is completed, the upper module 100 rises, the drive component 500 retracts, and the slider 410 and the punch component 430 return to their initial positions, ready for the next punching action. The above punching process enables multiple punches to be completed in one punching operation. Compared with the method of punching one hole at a time with a single punch, there is no need for repositioning, which improves the accuracy of punching, reduces the positional deviation of punching, greatly improves the efficiency of punching, and reduces the stamping cost.

[0028] In this embodiment, refer to Figures 4-5 A spring element 440 is provided on the side of the stop block 420 facing away from the recessed module 300, used to return the slider 410 and the punch 430 to their initial position. Further, the spring element 440 includes: a fixed shaft 441 movably passing through the stop block 420 and fixedly connected at one end to the slider 410, and a spring element 442 sleeved on the end of the fixed shaft 441 away from the slider 410. Specifically, the two ends of the spring element 442 abut against the fixed shaft 441 and the stop block 420. The fixed shaft 441 provides guidance for the slider 410, ensuring its movement along a straight path, and also supports the spring element 442. When the slider 410 is pushed by the drive element 500, the spring element 442 is compressed. When the drive inserter retracts, the spring element 442 returns to its original state, and the elastic force of the spring element 442 acts on the slider 410 through the fixed shaft 441, causing the slider 410 to reset.

[0029] In this embodiment, the end of the drive member 500 is provided with an arched clearance hole 510 for avoiding the fixed shaft 441. Since the drive member 500 needs to push the slider 410 to move, and the slider 410 is connected to the stop block 420 through the fixed shaft 441, the clearance hole 510 can effectively avoid interference between the drive member 500 and the fixed shaft 441, ensuring that the drive member 500 can act on the slider 410 without obstruction.

[0030] In this embodiment, refer to Figure 5 The drive member 500 is further provided with a first guide slope 411 at its end, and the slider 410 is provided with a second guide slope 520 that cooperates with the first guide slope 411. When the drive member 500 moves downward, the first guide slope 411 contacts the second guide slope 520 on the slider 410 and gradually guides the slider 410 into the correct position, so that the contact between the drive member 500 and the slider 410 is gradual rather than a sudden hard collision, which helps to reduce impact force, reduce noise, and reduce the friction between the two.

[0031] In this embodiment, refer to Figure 5 The punching assembly 400 further includes a ejector 450 disposed between the recessed module 300 and the slider 410, which has a through hole (not shown) for the punched part to pass through. Specifically, the ejector 450 is a piece of urethane rubber, which can effectively conform to the outer side of the workpiece 600 to prevent it from shifting during the punching process. It also helps the punch 430 to disengage from the hole in the workpiece 600 when it retracts, avoiding pulling damage to the workpiece 600. In other embodiments, the ejector 450 can also be made of other materials with high elasticity and wear resistance. Furthermore, the ejector 450 is arc-shaped on the side facing the recessed module 300, allowing for better contact and pressure against the outer side of the workpiece 600. Especially for workpieces 600 that are not planar or have a specific shape, the arc-shaped surface can provide a more uniform pressure distribution, enhancing the clamping effect and thus improving punching accuracy.

[0032] In this embodiment, refer to Figures 3-5 The bottom of the upper module 100 is also provided with multiple scrap parts 150 that pass through the workpiece 600 and are placed inside the recessed module 300. The scrap parts 150 are designed to accurately guide the waste generated during the punching process into the recessed module 300. Each scrap part 150 corresponds to a punch part 430, ensuring that waste does not scatter around the equipment and keeping the working environment clean. Furthermore, the recessed module 300 is provided with a discharge port 310 that connects to the bottom of the lower module 200. The scrap parts 150 and the discharge port 310 in the recessed module 300 cooperate to effectively prevent waste from accumulating or clogging around the punch part 430 or inside the recessed module 300 after punching, ensuring continuous punching, reducing downtime for cleaning, and improving production efficiency. Specifically, the side of the recessed module 300 that abuts against the punch part 430 is also provided with a die cutting edge 320, which is connected to the discharge port 310 to facilitate waste discharge. The die cutter 320 ensures that the workpiece 600 can be accurately cut into holes during punching, while making the punched edges neater, reducing burrs or irregularities, and improving the quality of the finished product.

[0033] In this embodiment, the top of the lower module 200 is also provided with a limiting post 230 that abuts against the upper module 100, which limits the maximum downward stroke of the upper module 100 and prevents it from directly pressing the slider 410 or the punching assembly 400, thereby avoiding mechanical damage to the punching assembly 400 due to excessive pressure.

[0034] The above is only used to illustrate the technical solution of this utility model and not to limit it. Any other modifications or equivalent substitutions made by those skilled in the art to the technical solution of this utility model, as long as they do not depart from the spirit and scope of the technical solution of this utility model, should be covered within the scope of the claims of this utility model.

Claims

1. A piercing device, characterized in that The utility model relates to a punch assembly and a die assembly for a punch press, and more particularly to a punch assembly and a die assembly for a punch press. The punch assembly (400) comprises a sliding block (410) slidingly arranged near the die assembly (300), a stop block (420) arranged on the sliding block (410) away from the die assembly (300), and a punch (430) fixedly arranged in the sliding block (410) and extending towards the die assembly (300) at one end. When the upper die assembly (100) is pressed towards the lower die assembly (200), the driving member (500) is inserted between the sliding block (410) and the stop block (420) to push the sliding block (410) to move towards the die assembly (300), thereby driving the punch (430) to punch the workpiece (600). The stop block (420) is provided with an elastic member (440) on the side away from the die assembly (300).

2. The piercing apparatus of claim 1, wherein, The elastic member (440) comprises a fixed shaft (441) movably arranged in the stop block (420) and fixedly connected to the sliding block (410) at one end, and a spring member (442) sleeved on the fixed shaft (441) away from the sliding block (410).

3. The piercing apparatus of claim 2, wherein, The end of the driving member (500) is arched and provided with an avoiding hole (510) for avoiding the fixed shaft (441).

4. The piercing apparatus of claim 3, wherein, The end of the driving member (500) is further provided with a first guide slope (411), and the sliding block (410) is provided with a second guide slope (520) matched with the first guide slope (411).

5. The punching apparatus according to claim 1, wherein The punch assembly (400) further comprises a material returning member (450) arranged between the die assembly (300) and the sliding block (410).

6. The punching apparatus according to claim 1, wherein The material returning member (450) is arc-shaped on the side towards the die assembly (300).

7. The piercing apparatus of claim 6, wherein, The bottom of the upper die assembly (100) is further provided with a plurality of waste members (150) arranged in the workpiece (600) and inserted into the die assembly (300).

8. The punching apparatus of claim 1, wherein The die assembly (300) is provided with a discharge port (310) extending through and communicating to the bottom of the lower die assembly (200) and used for discharging waste.

9. The punching apparatus of claim 1, wherein The top of the lower die assembly (200) is further provided with a limiting column (230) abutting against the upper die assembly (100).

10. The punching apparatus of claim 1, wherein ​

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