CN212370955U - Riveting shell punch convenient for waste separation - Google Patents
Riveting shell punch convenient for waste separation Download PDFInfo
- Publication number
- CN212370955U CN212370955U CN202020644809.9U CN202020644809U CN212370955U CN 212370955 U CN212370955 U CN 212370955U CN 202020644809 U CN202020644809 U CN 202020644809U CN 212370955 U CN212370955 U CN 212370955U
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- shell
- waste material
- punch
- hole
- riveting
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Abstract
The utility model relates to the technical field of rivet processing, in particular to a riveting shell punch head convenient for waste material separation, which comprises a punch head body and waste material separating pieces which are arranged along the radial direction of the punch head body oppositely; the waste material separating piece comprises a base and an elastic telescopic piece arranged in the base; the elastic expansion piece is suitable for contracting towards the outer side of the punch body when being extruded by external force and resets after the external force disappears. The utility model discloses a waste material separation member will rivet the waste material that the shell produced after punching a hole and block, can prevent to rivet the shell after punching a hole, and the thimble smugglies the waste material that punches a hole secretly and rivets the shell downthehole, improves and rivets shell production quality.
Description
Technical Field
The utility model relates to a rivet production technical field especially relates to a rivet shell drift convenient to waste material breaks away from.
Background
The riveting shell needs to be punched by adopting the matching of the punch and the ejector pin in the machining process, so that the rivet core is convenient to install.
According to the punch in the prior art, waste generated after the riveting shell is punched by the ejector pin can be brought out from the interior of the riveting shell by the ejector pin, so that punching waste is discharged. However, in the actual use process, the ejector pin carries the waste material to arrange the material in-process, sometimes can block the waste material in the hole of riveting the shell, and the ejector pin is pulled out, and the waste material is difficult to discharge in the hole of riveting the shell to block, is unfavorable for the passing of follow-up nail core, needs the improvement.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides a shell drift rivets that waste material breaks away from of being convenient for, can get rid of the waste material outside riveting the shell, solve the probability of thimble brought back waste material, improve and rivet shell processingquality.
In order to solve the technical problem, the utility model discloses a technical scheme be: the riveting shell punch convenient for the waste separation comprises a punch body and waste separation pieces which are arranged along the radial direction of the punch body in an opposite mode;
the waste material separating piece comprises a base and an elastic telescopic piece arranged in the base;
the elastic expansion piece is suitable for contracting towards the outer side of the punch body when being extruded by external force and resets after the external force disappears.
The center of the punch body is provided with a positioning hole for fixing the riveting shell;
the excircle of drift body is provided with the mounting hole that is used for installing the base.
The base is in press-fit connection with the mounting hole and is suitable for forming interference connection.
Wherein, be provided with the shaft hole that is used for installing the extensible member on the base.
The elastic expansion piece comprises an elastic piece and a ball, wherein the ball stretches along the axial direction of the shaft hole along with the elastic piece.
The outer circle of the punch body is further provided with a discharge hole for waste materials generated after the riveting shell is punched.
The utility model has the advantages that: the utility model provides a what be convenient for waste material broke away from rivets shell drift, when the thimble punches a hole to the riveting shell of filling in the locating hole, the thimble passes the waste material of two relative settings and breaks away from even between the piece, the waste material after punching a hole receives the extrusion and is greater than the diameter of thimble, when the thimble withdrawal, the waste material is blockked and the whereabouts by waste material break away from the piece, the thimble resets through punching a hole of rivet, the thimble resets and carries the waste material at the downthehole remaining defect of rivet, the processingquality and the security of shell are riveted in the improvement completely to the thimble.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the internal structure of the scrap stripping element of fig. 1.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for purposes of illustration and explanation only and are not intended to limit the invention.
It should be noted that these drawings are simplified schematic views, and the basic structure of the present invention is described only in a schematic manner, and therefore, only the configuration related to the present invention is shown.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-2, an embodiment of the present invention includes:
a riveting shell punch convenient for waste separation comprises a punch body 1 and waste separating pieces 2 which are arranged along the radial direction of the punch body oppositely, wherein a positioning hole 11 for fixing a riveting shell is formed in the center of the punch body 1;
the waste material separating member 2 comprises a base 21 and an elastic expansion member 22 arranged in the base 21; elastic expansion piece 22 is suitable for and receives external force extrusion time to shrink to the drift body outside, reset after external force disappears, when using, rivet the shell and be fixed in locating hole 11, 4 axial of thimble to riveting the shell and punching a hole through riveting the shell, rivet the shell and be washed out the shaft hole of installation nail by the thimble, and the solid waste material of riveting the shell and being produced is by the ejecting one end of riveting the shell and being located locating hole 11 the inside of thimble when punching a hole, the waste material is by the extrusion back of punching a hole, the thimble resets, and the waste material makes its grow owing to the extrusion, be blockked when the waste material passes elastic expansion piece 22 department, thereby drop from the thimble, directly discharge the waste material, the defect in the punching a hole after the shell punching a hole is riveted by thimble 4 to the waste material has been solved, improve and rivet shell production.
The outer circle of the punch body 1 is provided with a mounting hole 12 for mounting a base 21, and the base 21 is connected with the mounting hole 12 in a press-fitting mode and suitable for forming interference connection. Specifically, the base 21 and the mounting hole 12 are pressed and mounted, the mounting is convenient, and the connection tightness after the pressing and mounting is good.
The base 21 is provided with a shaft hole for installing the telescopic piece 22, and the telescopic piece 22 axially extends and retracts in the shaft hole, so that the production requirement is met.
The elastic expansion part 22 comprises an elastic part 221 and a ball 222 which stretches along the axial direction of the shaft hole along with the elastic part 221, specifically, two thirds of the ball 222 is located outside the shaft hole, one end of the ball 222 mounted in the shaft hole is a tapered hole, the elastic part 221 selects a pressure spring, when the ball 222 is subjected to radial force of the thimble 4, the ball contracts outwards, and smooth passing of the thimble 4 and blocking and separation of waste materials are guaranteed.
The excircle of drift body 1 still is provided with and is used for riveting 5 discharge openings 13 for the waste material that produces after the shell punches a hole, and discharge opening 13 is linked together with locating hole 11, discharges through discharge opening 13 after the waste material is blockked by ball 222, and it is convenient to arrange the material.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all of which utilize the equivalent structure or equivalent flow transformation made by the content of the specification of the present invention, or directly or indirectly applied to other related technical fields, all included in the same way in the patent protection scope of the present invention.
Claims (6)
1. A riveting shell punch convenient for waste separation comprises a punch body and is characterized by further comprising waste separating pieces which are arranged along the radial direction of the punch body in an opposite mode;
the waste material separating piece comprises a base and an elastic telescopic piece arranged in the base;
the elastic expansion piece is suitable for contracting towards the outer side of the punch body when being extruded by external force and resets after the external force disappears.
2. The riveting shell punch facilitating scrap detachment according to claim 1, wherein;
a positioning hole for fixing the riveting shell is formed in the center of the punch body;
the excircle of drift body is provided with the mounting hole that is used for installing the base.
3. The riveting shell punch facilitating scrap detachment according to claim 2, wherein;
the base is in press-fit connection with the mounting hole and is suitable for forming interference connection.
4. The riveting shell punch facilitating scrap detachment according to claim 1, wherein;
the base is provided with a shaft hole for installing the telescopic piece.
5. The riveting shell punch facilitating scrap detachment according to claim 4, wherein;
the elastic expansion piece comprises an elastic piece and a ball which stretches along the axial direction of the shaft hole along with the elastic piece.
6. The riveting shell punch facilitating scrap detachment according to claim 1, wherein;
the excircle of drift body still is provided with and is used for riveting the discharge opening for the waste material that the shell produced after punching a hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020644809.9U CN212370955U (en) | 2020-04-24 | 2020-04-24 | Riveting shell punch convenient for waste separation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020644809.9U CN212370955U (en) | 2020-04-24 | 2020-04-24 | Riveting shell punch convenient for waste separation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212370955U true CN212370955U (en) | 2021-01-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020644809.9U Active CN212370955U (en) | 2020-04-24 | 2020-04-24 | Riveting shell punch convenient for waste separation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212370955U (en) |
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2020
- 2020-04-24 CN CN202020644809.9U patent/CN212370955U/en active Active
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