Hole flanging equipment

Abstract

The embodiment of the utility model provides hole flanging equipment which comprises a punch, a hole flanging device and a hole flanging device. One end of the punch is a working end, and the end opposite to the working end is a power end. A workpiece is arranged on the side wall, facing the punch, of the positioning part, a through hole is formed in the middle of the positioning part, the working end of the punch penetrates out of the workpiece, and the working end of the punch penetrates into the through hole and is used for enabling the workpiece to form a flanging; wherein the outer wall of the working end of the punch is an arc surface; a material stripping part is further arranged in the through hole in a penetrating mode, the end portion, facing the working end, of the material stripping part is in contact with the working end, the end portion, away from the working end, of the material stripping part penetrates out of the through hole, the material stripping part is arranged in the through hole in a penetrating mode, and therefore the material stripping part can be separated from the workpiece. The end, away from the working end, of the stripping part abuts against the elastic part, stripping force can be applied to the stripping part through the elastic part, and then the punch can be rapidly withdrawn through the stripping part.

Description

Technical Field

[0001] The present invention relates to the technical field of hole punching, and more particularly to a hole punching device. Background Art

[0002] The process in the prior art is two-step molding. First, the precision error in the transfer process of two-step molding is objectively present, which leads to unstable dimensions. In addition, the surface of the hole will be scratched and squeezed. Secondly, two-step molding increases the manufacturing cost of the mold and the maintenance cost of production.

[0003] To address the above problems, no effective solution has been proposed yet.

[0004] It should be noted that the above introduction to the technical background is only for the convenience of providing a clear and complete description of the technical solutions of the utility model and for the convenience of understanding by those skilled in the art. It cannot be considered that the above technical solutions are well known to those skilled in the art simply because these solutions are described in the background technology section of the utility model. Utility Model Content

[0005] The purpose of this specification is to provide a hole-turning device to solve the above problems.

[0006] This specification provides a hole punching device, including:

[0007] A punch, wherein one end of the punch is set as a working end, and the end opposite to the working end is set as a power end;

[0008] A positioning portion, wherein a workpiece is arranged on a side wall of the positioning portion facing the punch, a through hole is opened in the middle of the positioning portion, the working end of the punch passes through the workpiece, and the working end of the punch passes through the through hole, so as to form a flanging on the workpiece;

[0009] The outer wall of the working end of the punch is set as an arc surface; the inner wall of the port of the through hole toward the workpiece extends toward the position of the working end to form a step portion, and the flange contacts the step portion.

[0010] Preferably, a stripping portion is also provided in the through hole, the end of the stripping portion facing the working end contacts the working end, the end of the stripping portion away from the working end passes through the through hole, and the end of the stripping portion away from the working end contacts the elastic portion.

[0011] Preferably, a fixing portion is sleeved on an outer wall of the positioning portion, the fixing portion is provided with a fixing hole, the stripping portion is passed through the fixing hole, and the elastic portion passes through the fixing hole.

[0012] Preferably, a stopper is formed by extending from the middle of the inner wall of the fixing hole toward the position of the stripping portion, and a gasket is installed between the side wall of the positioning portion facing the stopper and the stopper, and the gasket is sleeved on the outer wall of the stripping portion.

[0013] Preferably, the central axes of the punch, the stripping portion and the elastic portion are on the same straight line.

[0014] Preferably, a pressing block is sleeved on the outer wall of the working end, and the pressing block contacts the workpiece with the side wall facing the workpiece.

[0015] Preferably, a positioning groove is provided on the inner wall of the pressing block at the end away from the workpiece, and the outer diameter of the punch at the middle position is larger than the outer diameter of the working end so as to abut against the wall of the positioning groove.

[0016] Preferably, a first protective block is sleeved on the outer wall of the middle position of the punch, and the first protective block is connected to the pressing block by bolts.

[0017] Preferably, the outer diameter of the punch power part is larger than the outer diameter of the middle position of the punch.

[0018] Preferably, a second protection block is sleeved on the outer wall of the pressing block, and the second protection block is in conflict with the first protection block.

[0019] Compared with the prior art, the beneficial effects of the utility model are:

[0020] 1. The utility model provides a punch with a working end, a workpiece is mounted on a positioning portion, a through hole is opened in the middle of the positioning portion, the working end of the punch passes through the workpiece, and the working end of the punch passes through the through hole, and the outer wall of the working end of the punch is set as an arc surface; the inner wall of the port of the through hole facing the workpiece extends toward the position of the working end to form a step portion, and the flange abuts against the step portion, so that the workpiece can be flanging and chamfered at the same time.

[0021] 2. The utility model also has a stripping portion inserted in the through hole, the end of the stripping portion facing the working end contacts the working end, the end of the stripping portion away from the working end is inserted through the through hole, and the end of the stripping portion away from the working end contacts the elastic portion. The elastic portion can apply a stripping force to the stripping portion, and the punch can be quickly withdrawn through the stripping portion.

[0022] 3. The utility model has a fixing part sleeved on the outer wall of the positioning part, the fixing part has a fixing hole, the stripping part is passed through the fixing hole, and the elastic part passes through the fixing hole, so that the relative positions of the stripping part and the elastic part can be constrained by the fixing part.

[0023] 4. The utility model provides a pressure block on the outer wall of the working end, and the pressure block contacts the workpiece toward the side wall of the workpiece, so that the relative position of the workpiece can be positioned by the pressure block and the positioning part. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the embodiments of this specification or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this specification. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0025] Figure 1 It is an overall structural diagram of a hole-turning device provided in an embodiment of this specification;

[0026] Figure 2 It is a cross-sectional structural diagram of a hole-turning device provided in an embodiment of this specification;

[0027] Figure 3 This is a hole-turning device provided in the embodiment of this specification. Figure 2 A magnified view of the local structure at center A;

[0028] Figure 4 This is a punch structure diagram of a hole punching device provided in an embodiment of this specification;

[0029] Figure 5 It is a flanging structure diagram of a hole flanging device provided in an embodiment of this specification.

[0030] In the figure: 1, punch; 11, working end; 12, power end; 2, positioning part; 21, through hole; 211, step part; 3, workpiece; 31, flanging; 4, stripping part; 41, elastic part; 5, fixing part; 51, fixing hole; 511, stopper; 6, gasket; 7, pressure block; 71, positioning groove; 8, first protective block; 9, second protective block. DETAILED DESCRIPTION

[0031] In order to enable those skilled in the art to better understand the technical solutions in this specification, the technical solutions in the embodiments of this specification will be clearly and completely described below in conjunction with the drawings in the embodiments of this specification. Obviously, the described embodiments are only part of the embodiments of this specification, not all of the embodiments. Based on the embodiments in this specification, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of this specification.

[0032] In the description of the present utility model, it should be noted that the terms "upper", "middle", "lower", "inner", "outer", "front", "back" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or component referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present utility model. The terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. The following describes the implementation method of the present utility model based on its overall structure.

[0033] Reference Figure 1 As shown, the embodiment of the present application provides a hole-turning device, comprising:

[0034] A punch 1, wherein one end of the punch 1 is set as a working end 11, and the end opposite to the working end 11 is set as a power end 12;

[0035] A positioning portion 2, a workpiece 3 is arranged on the side wall of the positioning portion 2 facing the punch, a through hole 21 is opened in the middle of the positioning portion 2, the working end 11 of the punch 1 penetrates the workpiece 3, and the working end 11 of the punch 1 penetrates into the through hole 21, so as to form a flange 31 on the workpiece 3;

[0036] The outer wall of the working end of the punch 1 is set as an arc surface; the inner wall of the port of the through hole 21 facing the workpiece extends toward the position of the working end 11 to form a step portion 211, and the flange 31 contacts the step portion 211.

[0037] according to Figure 1 , a person skilled in the art sets a structure in which the punch 1 cooperates with the positioning portion 2. Specifically, the workpiece 3 can be mounted on the side wall of the positioning portion 2 facing the punch 1. A through hole 21 is also provided in the middle of the positioning portion 2. The working end 11 of the punch 1 can be set to correspond to the position of the through hole 21, and the workpiece 3 can be mounted on the through hole 21.

[0038] On the above-mentioned installation structure, a person skilled in the art can apply external force to the power end 12 of the punch 1, so that the working end 11 of the punch 1 presses the workpiece 3, and the working end 11 of the punch 1 presses into the through hole 21 to complete the punching action in the workpiece 3.

[0039] After the above process is completed, the working end 11 of the punch 1 penetrates the workpiece 3, and the working end 11 of the punch 1 penetrates into the through hole 21. Thus, the workpiece 3 can be flanging while completing the punching.

[0040] In the above structure, a person skilled in the art may set the outer wall of the working end 11 of the punch 1 to be an arc surface. In one embodiment, the arc surface of the outer wall of the working end 11 of the punch 1 may be polished. Thus, the punch 1 may be prevented from scratching the wall surface of the workpiece 3 during the process of punching the workpiece 3 by the working end 11 of the punch 1. At the same time, the polished arc surface of the outer wall of the working end 11 of the punch 1 may more stably form a flange on the workpiece.

[0041] In a further configuration, the inner wall of the port of the through hole 21 toward the workpiece extends toward the position of the working end 11 to form a step portion 211, and the flange 31 contacts the step portion 211. That is, the aforementioned configuration allows the flange to be formed according to the shape of the set step portion 211.

[0042] When the punch 1 is subjected to external force to punch, the punch 1 moves along the extension direction of the through hole 21. When the punch is completed, the punch 1 moves until the flange on the workpiece 3 contacts the step portion 211. At the same time, the flange on the workpiece 3 contacts the arc surface of the outer wall of the working end 11 of the punch 1. This can make the formation of the flange on the workpiece 3 more stable.

[0043] In summary, a person skilled in the art can set the punch 1 and the positioning part 2 to punch and flanging the workpiece 3, and chamfer the flanging part at the same time, thereby completing the two actions one at a time, thereby avoiding the hole on the workpiece 3 from being damaged due to the two actions being completed separately.

[0044] Preferably, a stripping portion 4 is also provided in the through hole 21, the end of the stripping portion 4 facing the working end 11 contacts the working end 11, the end of the stripping portion 4 away from the working end 11 passes through the through hole 21, and the end of the stripping portion 4 away from the working end 11 contacts the elastic portion 41. Those skilled in the art can set the stripping portion 4 in the through hole. The stripping portion 4 can be used to withdraw the punch 1.

[0045] Specifically, after the punch 1 completes the punching and flanging, the elastic portion 41 can apply a force toward the direction of the punch 1 to the stripping portion 4, thereby allowing the punch 1 to be withdrawn from the through hole 21. In one embodiment, the elastic portion can be a nitrogen spring, thereby allowing the punch 1 to be withdrawn from the through hole 21 effectively and quickly.

[0046] In one embodiment, preferably, the outer wall of the positioning part 2 is provided with a fixing part 5, the fixing part 5 is provided with a fixing hole 51, the stripping part 4 is passed through the fixing hole 51, and the elastic part 41 is passed through the fixing hole 51. The aforementioned structure can further limit the relative position of the elastic part 41, the stripping part 4 and the positioning part 2 through the fixing part 5.

[0047] Specifically, by setting the fixing part 5, the fixing part 5 is provided with a fixing hole 51. The inner wall of the fixing hole 51 is in conflict with the outer wall of the positioning part 2. In this embodiment, the stripping part 4 is penetrated in the fixing hole 51, and the elastic part 41 is penetrated through the fixing hole 51. That is, by setting the fixing part 5 to be provided with the fixing hole 51, the installation of the stripping part 4 and the elastic part 41 can be connected.

[0048] In this embodiment, according to Figure 3 Preferably, the middle position of the inner wall of fixed 51 extends toward the position of the stripping portion 4 to form a blocking portion 511, and a gasket 6 is installed between the side wall of the positioning portion 2 facing the blocking portion 511 and the blocking portion 511, and the gasket 6 is sleeved on the outer wall of the stripping portion 4.

[0049] With the above structure, a person skilled in the art arranges a gasket 6 to be installed between the side wall of the positioning portion 2 facing the stop portion 511 and the stop portion 511 , thereby buffering the punching and flanging action of the punch 1 .

[0050] Specifically, when the punch 1 applies an external force to the workpiece 3, the workpiece 3 applies an external force to the positioning portion 2. When the positioning portion 2 is subjected to the external force, it is squeezed with the gasket 6. It can be understood that during the connection process, the gasket 6 buffers the positioning portion 2, thereby extending the service life of the device and improving the stability of the device during use.

[0051] In the above process, the punch 1 moves along the inner wall and the extension direction of the through hole 21. Preferably, the central axes of the punch 1, the stripping portion 4 and the elastic portion 41 are in the same straight line. Thus, the movement of the punch 1 toward the plate 3 and away from the plate 3 can be kept stable. Thus, a large number of burrs on the hole wall of the workpiece 3 and deformation of the flange 31 are avoided during the stripping process.

[0052] In the above structure, the workpiece 3 is mounted on the end side of the positioning portion 2 facing the punch 1. Preferably, a pressure block 7 is sleeved on the outer wall of the working end 11, and the pressure block 7 contacts the workpiece 3 with the side wall facing the workpiece 3. The above structure can further fix the relative position of the workpiece 3 through the pressure block 7, thereby avoiding the deviation of the hole position during the punching process, which may cause the workpiece to be scrapped.

[0053] More preferably, a positioning groove 71 is provided on the inner wall of the pressing block 7 away from the workpiece 3, and the outer diameter of the middle position of the punch 1 is larger than the outer diameter of the working end 11, so as to abut against the wall of the positioning groove 71. The above structure can limit the stroke of the punch 1.

[0054] It is understandable that, during the movement of the punch 1, when the punch 1 moves to the middle position of the punch 1 and contacts the inner wall of the positioning groove 71, the punching and flanging process is completed. Thus, the movement of the punch 1 can be restricted, thereby improving the safety of the punching process of the workpiece 3.

[0055] Preferably, a first protective block 8 is sleeved on the outer wall of the middle position of the punch 1, and the first protective block 8 is connected to the pressure block 7 by bolts. In the aforementioned structure, those skilled in the art can protect the middle position of the punch 1 by the first protective block 8, thereby making the movement process of the punch 1 more stable. Preferably, a second protective block 9 is sleeved on the outer wall of the pressure block 7, and the second protective block 9 conflicts with the first protective block 8. The cooperation between the first protective block 8 and the second protective block 9 makes the structure of the installation of the punch 1 more stable. Thereby making the process of punching, flanging and chamfering of the punch 1 more stable.

[0056] In one embodiment, preferably, the outer diameter of the power part 12 of the punch 1 is larger than the outer diameter of the middle position of the punch 1. This makes it convenient for those skilled in the art to apply external force to the punch 1 through the power part 12 of the punch 1, thereby reducing the complexity of the punching process.

[0057] Although different specific embodiments are mentioned in the content of this application, this application is not limited to the situations described in the industry standards or embodiments, etc. Some industry standards or slightly modified implementation plans based on the implementation of the custom methods or embodiments can also achieve the same, equivalent or similar, or predictable implementation effects after deformation of the above embodiments. The embodiments of data acquisition, processing, output, judgment methods, etc. after these modifications or deformations can still fall within the scope of the optional implementation plans of this application.

[0058] Although the present application has been described through embodiments, those skilled in the art will appreciate that there are many modifications and changes to the present application without departing from the spirit of the present application. It is intended that the attached embodiments include these modifications and changes without departing from the present application.

Claims

1. A hole turning device, characterized in that: include: A punch, wherein one end of the punch is set as a working end, and the end opposite to the working end is set as a power end; A positioning portion, wherein a workpiece is arranged on a side wall of the positioning portion facing the punch, a through hole is opened in the middle of the positioning portion, the working end of the punch passes through the workpiece, and the working end of the punch passes through the through hole, so as to form a flanging on the workpiece; The outer wall of the working end of the punch is set as an arc surface; the inner wall of the port of the through hole toward the workpiece extends toward the position of the working end to form a step portion, and the flange contacts the step portion.

2. The hole punching device according to claim 1, characterized in that: A stripping portion is also provided in the through hole, the end of the stripping portion facing the working end contacts the working end, the end of the stripping portion away from the working end is provided out of the through hole, and the end of the stripping portion away from the working end contacts the elastic portion.

3. The hole punching device according to claim 2, characterized in that: The outer wall of the positioning part is sleeved with a fixing part, the fixing part is provided with a fixing hole, the stripping part is penetrated in the fixing hole, and the elastic part is penetrated out of the fixing hole.

4. The punching device according to claim 3, characterized in that: A stopper is formed by extending the middle position of the inner wall of the fixing hole toward the position of the stripping portion, and a gasket is installed between the side wall of the positioning portion facing the stopper and the stopper, and the gasket is sleeved on the outer wall of the stripping portion.

5. The punching device according to claim 2, characterized in that: The central axes of the punch, the stripping portion and the elastic portion are on the same straight line.

6. The hole punching device according to claim 1, characterized in that: A pressing block is sleeved on the outer wall of the working end, and the pressing block faces the side wall of the workpiece and contacts the workpiece.

7. The hole punching device according to claim 6, characterized in that: A positioning groove is provided on the inner wall of the pressing block at the end away from the workpiece, and the outer diameter of the middle position of the punch is larger than the outer diameter of the working end, so as to abut against the wall of the positioning groove.

8. The punching device according to claim 7, characterized in that: A first protective block is sleeved on the outer wall of the middle position of the punch, and the first protective block is connected to the pressing block by bolts.

9. The punching device according to claim 7, characterized in that: The outer diameter of the punch power part is larger than the outer diameter of the middle position of the punch.

10. The punching device according to claim 8, characterized in that: The outer wall of the pressing block is sleeved with a second protection block, and the second protection block is in conflict with the first protection block.

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