Material punching structure and material punching equipment

Abstract

The utility model provides a material punching structure and material punching equipment, which belong to the field of machining, the material punching structure comprises a punch, a positioning ring and an elastic padding ring, the positioning ring and the elastic padding ring are both coaxially sleeved on the periphery of the punch, the positioning ring is located between the punch and the elastic padding ring, and the elastic padding ring is located between the positioning ring and the elastic padding ring. A limiting groove is formed in the inner side of the elastic padding ring, the positioning ring is clamped in the limiting groove in an interference mode, and the bottom end of the elastic padding ring is flush with the bottom end of the punch. Compared with the prior art, by improving an existing punch pad and improving the connecting mode of the punch pad and the punch, soft materials can be effectively pressed, the situation that the punch tears the soft materials in the punching process is avoided, stable connection between the padding ring and the punch can be formed through the positioning ring, and the padding ring is prevented from falling off at will.

Description

Technical Field

[0001] This utility model belongs to the field of mechanical manufacturing, and more specifically, it relates to a stamping structure. This utility model also relates to a stamping device. Background Technology

[0002] Blanking is a stamping process that uses a die to separate part of the material or workpiece from another part of the material, workpiece, or scrap. It is a stamping method that separates parts or blanks of the desired shape and size from sheet metal. Blanking uses the cutting edge of a die to shear the sheet metal along a certain contour line and separate it. Blanking accounts for the largest proportion of stamping production. During the blanking process, except for the metal near the shear contour line, the sheet metal itself does not undergo plastic deformation, so the parts processed by blanking from a flat sheet remain planar.

[0003] However, during the punching process of soft materials, the presence of debris on the material surface after punching often occurs in actual production, hindering production progress and product quality. To address this issue, the punch pad structure surrounding the punch plays a crucial role in resolving the problem. Currently, commercially available punch pad structures are universal, meaning that multiple punch sizes share the same punch pad. The inner dimensions of the punch pad cannot correspond one-to-one with the punch size, resulting in a gap between the punch pad and the punch. The material below this gap lacks the pressing force of the punch pad, causing it to be stretched and torn during punching. The resulting material debris rises and enters through the gap between the material and the die, contaminating the material surface. Utility Model Content

[0004] The purpose of this utility model is to provide a punching structure to solve the technical problem of the inconvenience of using the existing general-purpose punch pad structure.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows: a punching structure is provided, including a punch, a positioning ring, and an elastic pad ring. The positioning ring and the elastic pad ring are coaxially sleeved on the outer periphery of the punch, and the positioning ring is located between the punch and the elastic pad ring. A limiting groove is provided on the inner side of the elastic pad ring, and the positioning ring is interference-fitted into the limiting groove. The bottom end of the elastic pad ring is flush with the bottom end of the punch.

[0006] In one possible implementation, the elastic padding ring has a buffer portion with a gradually increasing outer circumferential diameter from bottom to top, the buffer portion being used to compress the material to be punched.

[0007] In one possible implementation, the inner wall of the elastic pad ring is provided with a fall-prevention protrusion extending toward the punch, and the fall-prevention protrusion is located at the upper end of the limiting groove.

[0008] In one possible implementation, the inner wall of the elastic pad ring is further provided with a relief groove located at the upper end of the anti-fall protrusion, the relief groove being used to accommodate the anti-fall protrusion after elastic deformation.

[0009] In one possible implementation, the top corner of the positioning ring has a smooth transition surface that fits tightly against the anti-fall protrusion and the limiting groove.

[0010] Compared with the prior art, the beneficial effects of the stamping structure provided by this utility model are as follows:

[0011] Firstly, during the up-and-down movement of the punch, the punch pad in this invention moves up and down with the punch under the drive of the positioning ring, effectively pressing down on the soft material. This allows the punch to convert the punching force into shearing force on the soft material as much as possible during the punching process, preventing the punch from tearing the soft material and thus effectively preventing the debris generated by tearing the soft material from rising upwards. In addition, the positioning ring can form a stable connection between the elastic punch pad and the punch through the interference fit between itself and the punch pad, preventing the punch pad from falling off the punch during the punching process. At the same time, the overall conical shape of the punch pad can also prevent debris from being pressed firmly onto the material surface, which is conducive to the rapid discharge of debris and prevents the punch from pressing on the material debris generated by continuous punching during continuous processing, preventing the debris from rising upwards and entering the gap between the material and the die, thus contaminating the material surface. Moreover, the elastic punch pad in this invention is simple to manufacture and easy to process, which can meet the needs of rapid production before punching.

[0012] In addition to the aforementioned beneficial effects, this invention, by providing anti-fall protrusions on the inner wall of the elastic punch pad, not only prevents the elastic pad ring from falling off the punch, but also makes the removal of the elastic punch pad more convenient through its own elastic deformation during the removal process. At the same time, the clearance groove provided above the anti-fall protrusion can accommodate the anti-fall protrusion after elastic deformation, making the overall structure of the elastic punch pad more reasonable. Moreover, this invention also makes the assembly and disassembly of the elastic punch pad more convenient by optimizing the outer circumference shape of the positioning ring. Furthermore, because the transition curved surface fits tightly with the anti-fall protrusion and the limiting groove, it can prevent the elastic punch pad from shifting relative to the punch, making the entire punch structure more reasonable and reliable.

[0013] On the other hand, the present invention also proposes a punching device, which includes a plurality of punching structures as described above. The punching device also includes a frame and a drive unit, wherein the drive unit is disposed on the frame and is used to drive each of the punching structures to move up and down.

[0014] In one possible implementation, the drive unit includes a drive cylinder and a mounting plate. The mounting plate is movably and guideably disposed on the frame in the vertical direction. The cylinder body of the drive cylinder is disposed on the frame. The telescopic rod of the drive cylinder is used to drive the mounting plate to move up and down. Each of the punching structures is spaced apart on the mounting plate in the horizontal direction.

[0015] In one possible implementation, the stamping equipment further includes a waste collection box disposed on the frame and located below the stamping structure, the waste collection box being used to collect waste generated during the operation of the stamping structure.

[0016] Compared to existing technologies, the punching equipment of this utility model possesses all the advantages of the aforementioned punching structures, which will not be elaborated upon here. Furthermore, during use, the punching equipment of this utility model enhances processing efficiency by setting multiple punching structures. Simultaneously, this utility model can guide the vertical movement of the punch structure through the guide movement of the mounting plate, preventing misalignment during the vertical movement of the punch structure and ensuring processing quality. As for the waste collection box set in this utility model, it can collect the waste generated by the punching structure, preventing waste from falling randomly and polluting the processing environment. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model, 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. In the drawings:

[0018] Figure 1 This is a front view of the stamping structure provided by this utility model;

[0019] Figure 2 This is a schematic diagram of the overall structure of the punching equipment of this utility model.

[0020] In the picture:

[0021] 1. Punch;

[0022] 2. Positioning ring;

[0023] 3. Elastic padding ring; 31. Limiting groove; 32. Buffer section; 33. Anti-fall protrusion; 34. Clearance groove;

[0024] 4. Frame;

[0025] 5. Drive unit; 51. Drive cylinder; 52. Mounting plate;

[0026] 6. Waste collection bin. Detailed Implementation

[0027] It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0028] In the description of this utility model, it should be noted that if terms such as "upper", "lower", "inner", "back" or indicating orientation or positional relationship appear, they are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0029] Furthermore, in the description of this utility model, unless otherwise explicitly defined, the terms "installation," "connection," "joining," and "connector" should be interpreted broadly. For example, a connection can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model in light of the specific circumstances.

[0030] To make the technical problems, technical solutions, and beneficial effects of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0031] Please refer to the following: Figures 1 to 2 The punching structure provided by this utility model will now be described. Specifically, this utility model provides a punching structure including a punch 1, a positioning ring 2, and an elastic padding ring 3. The positioning ring 2 and the elastic padding ring 3 are coaxially sleeved on the outer periphery of the punch 1, with the positioning ring 2 located between the punch 1 and the elastic padding ring 3. A limiting groove 31 is provided on the inner side of the elastic padding ring 3, and the positioning ring 2 is interference-fitted into the limiting groove 31. The bottom end of the elastic padding ring 3 is flush with the bottom end of the punch 1. More preferably, in a feasible embodiment, the elastic padding ring 3 has a buffer portion 32 whose outer circumference diameter gradually increases from bottom to top. The buffer portion 32 is used to press the material to be punched.

[0032] Compared with the prior art, in the specific implementation process of the above embodiment, the punch pad in this embodiment can move up and down with the punch 1 under the drive of the positioning ring 2, thereby effectively pressing down the soft material. This allows the punch 1 to convert the punching force into shearing force on the soft material as much as possible during the punching process, preventing the punch 1 from tearing the soft material during the punching process, thus effectively preventing the debris generated by the tearing of the soft material from turning up. In addition, the positioning ring 2 can form a stable connection between the elastic punch pad and the punch 1 through the interference fit between itself and the punch pad, preventing the punch pad from falling off the punch 1 during the punching process. At the same time, the overall conical shape of the punch pad can also prevent the debris from being pressed firmly on the material surface, which is conducive to the rapid discharge of debris and prevents the punch 1 from pressing on the material debris generated by continuous punching during continuous processing, preventing the debris from turning up and entering the gap between the material and the die and the material, thus contaminating the material surface. Moreover, the elastic punch pad in this embodiment is simple to manufacture and easy to process, which can meet the rapid manufacturing requirements before punching.

[0033] It should be noted that, in an alternative embodiment, the positioning ring 2 is also used as a support liner during the punch pad forming process. After the elastic pad ring 3 is formed, it can be bonded to the punch by adhesive bonding, without the need to set the positioning ring mentioned above, thereby minimizing the structural complexity of the entire punching structure and making the punching structure easier to process and manufacture.

[0034] Based on the above, a feasible implementation method is proposed. In the above description, the inner wall of the elastic padding ring 3 is provided with a fall-prevention protrusion 33 extending towards the punch 1, and the fall-prevention protrusion 33 is located at the upper end of the limiting groove 31. Preferably, the inner wall of the elastic padding ring 3 is also provided with a relief groove 34 located at the upper end of the fall-prevention protrusion 33, the relief groove 34 being used to accommodate the fall-prevention protrusion 33 after elastic deformation. Based on the same concept, the top corner of the positioning ring 2 forms a smooth transition surface, the transition surface being tightly fitted with the fall-prevention protrusion 33 and the limiting groove 31. Compared with the prior art, the above embodiment, by providing anti-fall protrusions 33 on the inner wall of the elastic punch pad, not only prevents the elastic pad ring 3 from falling off the punch 1, but also makes the removal of the elastic punch pad more convenient through its own elastic deformation during the removal process. At the same time, the clearance groove 34 provided above the anti-fall protrusion 33 can accommodate the anti-fall protrusion 33 after elastic deformation, making the overall structure of the elastic punch pad more reasonable. Moreover, this embodiment also makes the disassembly and assembly of the elastic punch pad more convenient by optimizing the outer circumference shape of the positioning ring 2. Furthermore, since the transition surface is closely fitted with the anti-fall protrusion 33 and the limiting groove 31, it can prevent the elastic punch pad from shifting relative to the punch 1, making the entire punch structure more reasonable and reliable.

[0035] Based on the same inventive concept, this utility model also proposes a punching device, which includes multiple punching structures as described above. The punching device also includes a frame 4 and a drive unit 5. The drive unit 5 is located on the frame 4 and is used to drive each punching structure to move up and down.

[0036] Specifically, the drive unit 5 mentioned above includes a drive cylinder 51 and a mounting plate 52. The mounting plate 52 is movably mounted on the frame 4 in a vertical direction. The cylinder body of the drive cylinder 51 is mounted on the frame 4, and the telescopic rod of the drive cylinder 51 is used to drive the mounting plate 52 to move vertically. Each punching structure is spaced apart on the mounting plate 52 in a horizontal direction. Preferably, to prevent debris from flying around, a feasible implementation is proposed, in which the punching equipment also includes a waste collection box 6 located on the frame 4 and below the punching structure. The waste collection box 6 is used to collect the waste generated during the operation of the punching structure.

[0037] Compared to existing technologies, the punching equipment in this embodiment has all the advantages of the aforementioned punching structures, which will not be elaborated here. In addition, during use, the punching equipment in this embodiment can enhance the processing efficiency by setting multiple punching structures. At the same time, this embodiment can also guide the up and down movement of the punch 1 structure through the guide movement of the mounting plate 52 to prevent misalignment during the up and down movement of the punch 1 structure, thereby ensuring processing quality. As for the waste collection box 6 set in this embodiment, it can collect the waste generated by the punching structure and prevent the waste from falling randomly and polluting the processing environment.

[0038] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A stamping structure, characterized in that, The device includes a punch (1), a positioning ring (2), and an elastic pad ring (3). The positioning ring (2) and the elastic pad ring (3) are coaxially sleeved on the outer periphery of the punch (1), and the positioning ring (2) is located between the punch (1) and the elastic pad ring (3). The inner side of the elastic pad ring (3) is provided with a limiting groove (31), and the positioning ring (2) is interference-fitted into the limiting groove (31). The bottom end of the elastic pad ring (3) is flush with the bottom end of the punch (1).

2. The stamping structure as described in claim 1, characterized in that, The elastic pad ring (3) has a buffer portion (32) with an outer circumference diameter that gradually increases from bottom to top. The buffer portion (32) is used to press the material to be punched.

3. The stamping structure as described in claim 2, characterized in that, The inner wall of the elastic pad ring (3) is provided with a fall-prevention protrusion (33) extending toward the punch (1), and the fall-prevention protrusion (33) is located at the upper end of the limiting groove (31).

4. The stamping structure as described in claim 3, characterized in that, The inner wall of the elastic pad ring (3) is also provided with a relief groove (34) located at the upper end of the anti-fall protrusion (33), and the relief groove (34) is used to accommodate the anti-fall protrusion (33) after elastic deformation.

5. The stamping structure as described in claim 4, characterized in that, The top corner of the positioning ring (2) has a smooth transition surface, which fits tightly with the anti-fall protrusion (33) and the limiting groove (31).

6. A punching device, characterized in that, The stamping equipment includes multiple stamping structures as described in any one of claims 1 to 5, and further includes a frame (4) and a drive unit (5), wherein the drive unit (5) is disposed on the frame (4) and is used to drive each of the stamping structures to move up and down.

7. The punching equipment as described in claim 6, characterized in that, The drive unit (5) includes a drive cylinder (51) and a mounting plate (52). The mounting plate (52) is movably mounted on the frame (4) in the vertical direction. The cylinder body of the drive cylinder (51) is mounted on the frame (4). The telescopic rod of the drive cylinder (51) is used to drive the mounting plate (52) to move up and down. Each of the punching structures is spaced apart on the mounting plate (52) in the horizontal direction.

8. The punching equipment as described in claim 7, characterized in that, The punching equipment also includes a waste collection box (6) located on the frame (4) and below the punching structure. The waste collection box (6) is used to collect the waste generated during the operation of the punching structure.

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