CN210450798U - Chain assembling punching press riveted joint - Google Patents
Chain assembling punching press riveted joint Download PDFInfo
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- CN210450798U CN210450798U CN201921053865.9U CN201921053865U CN210450798U CN 210450798 U CN210450798 U CN 210450798U CN 201921053865 U CN201921053865 U CN 201921053865U CN 210450798 U CN210450798 U CN 210450798U
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- riveting
- rivet head
- rivet
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Abstract
The utility model discloses a chain assembly punching press riveted joint, including fixed handle, rivet head, locking pad, establish the riveting hole in the rivet head of rivet head main part one end of rivet head, the other end establishes the screw thread axle, establishes spherical hole in the riveting hole, and the round hole is set for to the outer end of spherical hole, and the circular arc bottom of spherical hole establishes stress buffering cambered surface, and stress buffering cambered surface establishes the circular arc transition connection with spherical hole; the check washer cup joints behind the screw thread bottom of screw shaft, and the screw thread of the screw shaft of die and the screw spiro union of fixed handle and screw up, riveting hole thermal treatment HRC52, the utility model discloses install on small-size desk-top punching machine and set up at the corresponding riveting post of chain equipment, rivet the connecting pin of chain fast, and be the connecting pin shape after the riveting unified and mellow and full, no burr and turn-ups phenomenon.
Description
Technical Field
The utility model belongs to the technical field of a chain production equipment class technique and specifically relates to a chain equipment punching press riveted joint.
Background
Penetrate the connection with the connecting pin between each section chain, the one end of connecting pin has flange formula step, and the connecting pin penetrates connects the back with the instrument to rivet the other end of connecting pin to the chain section, and conventional riveting mode is with the rotatory riveting of riveter formula of pushing down, and the drawback is: firstly, riveting is slow, and efficiency is low; and secondly, one end of the riveted connecting pin is irregularly flanged and irregular in shape and is very easy to damage.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, an object of the present invention is to provide a chain assembling punching rivet joint, which comprises a fixing handle, a rivet head, and a locking pad, wherein a riveting hole is formed in the rivet joint at one end of the rivet head main body of the rivet head, a threaded shaft is formed at the other end of the rivet head main body, a spherical hole is formed in the riveting hole, a round hole is formed at the outer end of the spherical hole, a stress buffering cambered surface is formed at the arc bottom of the spherical hole, and the stress buffering cambered surface and the spherical hole are connected in a connecting arc transition; the check washer cup joints behind the screw thread bottom of screw shaft, and the screw thread of the screw shaft of die and the screw spiro union of fixed handle and screw up, riveting hole thermal treatment HRC52, the utility model discloses install on small-size desk-top punching machine and set up at the corresponding riveting post of chain equipment, rivet the connecting pin of chain fast, and be the connecting pin shape after the riveting unified and mellow and full, no burr and turn-ups phenomenon.
In order to achieve the above purpose, the technical scheme of the utility model is that: a chain assembly punching rivet joint comprises a fixed handle, a rivet head and a locking pad, wherein an extension cone is arranged at one end of a connecting handle of the fixed handle, a screw hole is formed in the extension cone, and an inwards concave fixed surface is formed in the outer circumference of the connecting handle;
a riveting hole is formed in the riveting head at one end of the riveting head main body of the riveting head, a threaded shaft is arranged at the other end of the riveting head main body, a spherical hole is formed in the riveting hole, a round hole is formed in the outer end of the spherical hole, a stress buffering cambered surface is arranged at the arc bottom of the spherical hole, and the stress buffering cambered surface and the spherical hole are in connection arc transition connection;
the anti-loosening pad 3 is sleeved at the bottom of the thread of the threaded shaft 203, and the threaded shaft 203 is screwed with the threaded hole 104 and tightened.
Further, heat-treating the riveting hole in the riveting head with HRC 52.
The utility model has the advantages that: the utility model discloses install on small-size desk-top punching machine and set up at the corresponding riveting post of chain equipment, rivet the connecting pin of chain fast, and be that the connecting pin shape after the riveting is unified and mellow, no burr and turn-ups phenomenon.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is an exploded view of FIG. 1;
fig. 3 is a detailed view of a in fig. 2.
In the figure: the rivet comprises a fixed handle 1, a fixed surface 101, a connecting handle 102, an extension cone 103, a screw hole 104, a rivet head 2, a rivet head main body 201, a rivet head 202, a threaded shaft 203, a riveting hole 204, a fixed round hole 2041, a spherical hole 2042, a stress buffering cambered surface 2043, a connecting arc 2044 and a locking pad 3.
The specific embodiments,
The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.
As shown in fig. 1, a chain assembling punching rivet joint comprises a fixing handle 1, a rivet head 2 and a locking pad 3, wherein an extension cone 103 is arranged at one end of a connecting handle 102 of the fixing handle 1, a screw hole 104 is arranged in the extension cone 103, and a concave fixing surface 101 is arranged on the outer circumference of the connecting handle 102; a riveting hole 204 is formed in the rivet head 202 at one end of the rivet head main body 201 of the rivet head 2, a threaded shaft 203 is arranged at the other end of the rivet head main body 201, a spherical hole 2042 is formed in the riveting hole 204, a round hole 2041 is formed in the outer end of the spherical hole 2042, a stress buffering arc surface 2043 is formed at the arc bottom of the spherical hole 2042, so that the stress generated by riveting deformation of a connecting pin during punching riveting can be released conveniently, the deformation allowance generated after riveting due to the length error of the connecting pin can be accommodated, and the stress buffering arc surface 2043 and the spherical hole 2042 are in transitional connection with each other through a connecting arc 2044; locking pad 3 cup joints behind the screw thread bottom of screw thread axle 203, and screw thread axle 203 and screw 104 spiro union and screw up, the utility model discloses install on small-size desk-top punching machine and set up at the corresponding riveting post of chain equipment, rivet the connecting pin of chain fast, and be the connecting pin shape after the riveting unified and mellow and full, no burr and turn-ups phenomenon.
The staking hole 204 in the staking head 202 is heat treated HRC 52.
In practical application, a small-sized bench punch is arranged on a connecting pin riveting position of a chain assembly line, a support is arranged on a long punching slide block of the punch, a fixing handle of a punching riveting head is connected and fixed with a mounting hole of the support, and a fixing surface 101 is fastened by a fixing screw so as to prevent the punching riveting head from displacing during long-term punching riveting; set up the follow-up riveting chain positioner of punching press of equipment on the workstation of punch press, during the punching press riveting, put into positioner location to the follow-up riveted chain of equipment, positioner blocks horizontal and longitudinal position of chain, the connecting pin needs riveted port up, operation foot switch makes the punching press riveting head of punch press move down, riveting body the same with riveting hole 204 shape and specification is stamped into to the cylinder head punching press of connecting pin to riveting hole 204 of punching press riveting head, fixed round hole 2041 has wrapped the riveting outer circumference of connecting pin when the punching press is riveted, the specification is unified, riveting efficiency is high, the shape is pleasing to the eye.
The skilled person in this trade also understands, the utility model discloses do not receive the restriction of above-mentioned embodiment, the description only is the explanation in above-mentioned embodiment and the description the principle of the utility model, do not keeping away from the utility model discloses under the connection meter category prerequisite, the utility model discloses still can have various changes and improvement, these changes and improvement all fall into the protection of the utility model discloses the within range. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (2)
1. The utility model provides a chain equipment punching press riveted joint which characterized in that: the anti-loosening rivet comprises a fixed handle (1), a rivet head (2) and a loosening-proof pad (3), wherein an extension cone (103) is arranged at one end of a connecting handle (102) of the fixed handle (1), a screw hole (104) is formed in the extension cone (103), and a concave fixing surface (101) is formed in the outer circumference of the connecting handle (102);
a riveting hole (204) is formed in the rivet head (202) at one end of the rivet head main body (201) of the rivet head (2), a threaded shaft (203) is arranged at the other end of the rivet head main body (201), a spherical hole (2042) is formed in the riveting hole (204), a round hole (2041) is formed in the outer end of the spherical hole (2042), a stress buffering arc surface (2043) is formed at the arc bottom of the spherical hole (2042), and the stress buffering arc surface (2043) and the spherical hole (2042) are in transitional connection through a connecting arc (2044);
the anti-loosening pad (3) is sleeved at the bottom of the thread of the threaded shaft (203), and the threaded shaft (203) is in threaded connection with the threaded hole (104) and is screwed down.
2. The chain assembling punching rivet head as recited in claim 1, wherein: and (3) carrying out heat treatment on the HRC52 through the riveting hole (204) in the riveting head (202).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921053865.9U CN210450798U (en) | 2019-07-08 | 2019-07-08 | Chain assembling punching press riveted joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921053865.9U CN210450798U (en) | 2019-07-08 | 2019-07-08 | Chain assembling punching press riveted joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210450798U true CN210450798U (en) | 2020-05-05 |
Family
ID=70444214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921053865.9U Active CN210450798U (en) | 2019-07-08 | 2019-07-08 | Chain assembling punching press riveted joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210450798U (en) |
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2019
- 2019-07-08 CN CN201921053865.9U patent/CN210450798U/en active Active
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