CN216442466U - Self-plugging rivet tool - Google Patents
Self-plugging rivet tool Download PDFInfo
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- CN216442466U CN216442466U CN202123161922.5U CN202123161922U CN216442466U CN 216442466 U CN216442466 U CN 216442466U CN 202123161922 U CN202123161922 U CN 202123161922U CN 216442466 U CN216442466 U CN 216442466U
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- piston rod
- rod structure
- tool seat
- tool
- press
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Abstract
The utility model discloses a self-plugging rivet tool which comprises a tool seat, a piston rod structure and a bottom plate, wherein the bottom plate is arranged at one end of the tool seat, one end of the piston rod structure penetrates through the tool seat, the other end of the piston rod structure penetrates through the bottom plate, and the piston rod structure moves up and down along the axial direction of the tool seat through a spring; the piston rod structure can ensure that the piston rod structure does not deviate when moving up and down through the spring under the guidance of the press-fitting hole in the tool seat, the inner cavity of the tool seat and the bottom plate, and simultaneously, the piston in the piston rod structure is in clearance fit with the inner cavity of the tool seat to play a role in guidance, so that the assembly positioning precision is improved, the press-fitting positioning precision is improved, the probability of assembly and press-fitting errors is reduced, the qualification rate of finished products is improved, and meanwhile, the automatic production is convenient to realize.
Description
Technical Field
The utility model relates to the technical field of self-plugging rivet tools, in particular to a self-plugging rivet tool.
Background
Blind rivets (blind rivets) comprise a rivet body and a rivet core (rivet stem or rivet mandrel). The rivet is a rivet for single-side riveting, but a special tool, namely a hand riveter (manual, electric or pneumatic), is used for riveting. When riveting, the rivet core is pulled by a special riveter to expand the rivet body to achieve the riveting effect, and the rivet is particularly suitable for riveting occasions where common rivets (needing to be riveted from two sides) are inconvenient to adopt, so that the rivet is widely applied to products such as buildings, automobiles, ships, airplanes, machines, electrical appliances, furniture and the like. The open-type flat-head self-plugging rivet is widely applied, the countersunk self-plugging rivet is suitable for the riveting occasions with surfaces needing to be smooth, and the closed self-plugging rivet is suitable for the riveting occasions requiring higher load and having certain sealing performance.
The existing assembly and press-fitting process of the self-plugging rivet has the following defects:
1. the original assembly process has no tool and adopts direct assembly on the core rod, so that the assembly efficiency is low, the precision is low, and the press mounting is inconvenient;
2. the original press-fitting process adopts no tool to press in from the tail direction of the core rod by adopting a pressure head, the press-fitting precision is low, and the qualified rate of finished products is low;
3. the original process is not convenient for automatic reconstruction.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a self-plugging rivet frock has solved the problem that the packaging efficiency is low, the precision is low and be not convenient for the pressure equipment in current self-plugging rivet equipment and the pressure equipment, the pressure equipment precision is low, the finished product qualification rate is low and be not convenient for automatic transformation.
The utility model is realized in such a way that the self-plugging rivet tool comprises a tool seat, a piston rod structure and a bottom plate,
the bottom plate is arranged in frock seat one end, piston rod structure one end is passed the frock seat other end passes the bottom plate, just the piston rod structure passes through the spring edge frock seat axle center direction is movable from top to bottom.
Through the cooperation of the tool seat and the bottom plate, the piston rod structure can move up and down along the axis direction without deviation, so that the assembly and press fitting precision is ensured.
The further technical scheme of the utility model is as follows: the bottom plate is detachably connected with the tool seat.
If the damage exists, the damaged part is convenient to replace, the whole part does not need to be replaced, and the production cost is reduced.
The bottom plate can also be integrally formed with the tool seat.
The further technical scheme of the utility model is as follows: the spring sleeve is arranged on the piston rod structure in a sleeved mode, one end of the spring sleeve is in contact with the piston rod structure, and the other end of the spring sleeve is in contact with the bottom plate.
The spring can also be connected with the piston in the piston rod structure at one end and connected with the bottom plate at the other end.
The further technical scheme of the utility model is as follows: the tool seat is characterized in that one end of the tool seat is a press-fitting surface, a press-fitting hole is formed in the center of the press-fitting surface, an inner cavity of the tool seat communicated with the press-fitting hole is formed in the tool seat along the axis direction, and one end of the piston rod structure extends out of the press-fitting hole to form the press-fitting surface.
One end of the piston rod structure extending out of the press-mounting surface is in contact with a rivet component in the using process, and the press-mounting surface is positioned and bears the press-mounting force during press-mounting.
The further technical scheme of the utility model is as follows: and the press mounting surface is provided with a mounting hole.
The whole tool can be fixedly arranged on the workbench through the mounting holes.
The further technical scheme of the utility model is as follows: the diameter of the press-fitting hole is smaller than that of the inner cavity of the tool seat.
The diameter of the press-fitting hole and the diameter of the inner cavity of the tool seat are set so as to be matched with the piston rod structure, and press-fitting and assembly are facilitated.
The further technical scheme of the utility model is as follows: the piston rod structure comprises a push rod, a piston and a guide rod which are connected in sequence, and the diameters of the push rod, the guide rod and the piston are increased in sequence.
The further technical scheme of the utility model is as follows: the ejector rod passes the tool seat, the piston is arranged in the tool seat and in clearance fit with the tool seat, the spring is sleeved on the guide rod, and one end of the guide rod, far away from the piston, passes through the bottom plate.
Through clearance fit of the piston and the inner cavity of the tool seat in the tool seat, the piston can move up and down in the inner cavity of the tool seat, so that the piston cannot deviate in the up-and-down movement process of the piston rod structure, and the assembly and press-fitting precision is guaranteed.
The utility model has the beneficial effects that: the piston rod structure can ensure that the piston rod structure does not deviate when moving up and down through the spring under the guidance of the press-fitting hole in the tool seat, the inner cavity of the tool seat and the bottom plate, and simultaneously, the piston in the piston rod structure is in clearance fit with the inner cavity of the tool seat to play a role in guidance, so that the assembly positioning precision is improved, the press-fitting positioning precision is improved, the probability of assembly and press-fitting errors is reduced, the qualification rate of finished products is improved, and meanwhile, the automatic production is convenient to realize.
Drawings
FIG. 1 is a perspective view of a blind rivet fixture provided by the utility model;
FIG. 2 is a perspective view of a blind rivet fixture provided by the utility model;
FIG. 3 is a cross-sectional view of a blind rivet fixture according to the present invention;
FIG. 4 is a perspective view of a piston rod construction provided by the present invention;
FIG. 5 is a front elevational view of the piston rod construction provided by the present invention;
FIG. 6 is a perspective view of a tooling seat provided by the present invention;
fig. 7 is a sectional view of the tool holder according to the present invention.
Detailed Description
Exemplary embodiments of the present invention are described below with reference to the accompanying drawings, in which various details of embodiments of the utility model are included to assist understanding, and which are to be considered as merely exemplary. Accordingly, those of ordinary skill in the art will recognize that various changes and modifications of the embodiments described herein can be made without departing from the scope and spirit of the utility model. Also, descriptions of well-known functions and constructions are omitted in the following description for clarity and conciseness.
It should be noted that the structures, ratios, sizes, and the like shown in the drawings attached to the present specification are only used for matching the disclosure of the present specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions of the present invention, so that the present invention has no technical essence, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
The first embodiment is as follows:
fig. 1-7 show a structure of a tool holder 1 as shown in fig. 6-7, the tool holder 1 mainly comprises a press-fitting hole 11, a press-fitting surface 12, a mounting hole 13 and a tool holder inner cavity 14, a piston rod structure 2 as shown in fig. 4-5, and the piston rod structure 2 mainly comprises a push rod 21, a piston 22 and a guide rod 23.
The tool seat 1 is used for rivet press-fitting forming, positioning and supporting other parts;
the press-fitting hole 11 is used for positioning the piston rod structure 2 during assembly and positioning a core rod of the rivet during press-fitting;
the press-fitting surface 12 is used for supporting parts such as a bushing of a rivet during assembly and bearing the pressure of a press during press-fitting;
the mounting hole 13 is used for fixing the whole tool on the table-board;
the tool seat inner cavity 14 is used for installing the piston rod structure 2 and the spring 3. The piston rod structure 2 is used for positioning during rivet assembly;
the ejector rod 21 is used for positioning parts such as a bushing of a rivet and the like during assembly;
the piston 22 is used for guiding the piston rod structure 2 and bearing the elastic force of the spring 3;
the guide rod 23 is used for guiding the piston rod structure 2 and the fixed spring 3;
the spring 3 is used for resetting the piston rod structure 2;
the bottom plate 4 serves for guiding the piston rod arrangement 2 and for supporting the spring 3.
The piston rod structure 2 is positioned in the inner cavity of the tool seat 14 of the tool seat 1 and can move up and down.
The spring 3 is sleeved on the guide rod 23 of the piston rod structure 2 to push the piston rod structure 2 upwards.
The working principle of the utility model is as follows:
assembling a workpiece rivet: in the rivet assembling process, the tooling is shown in fig. 1-3, the ejector rod 21 extends out of the press-fitting surface 12, and parts such as a bushing of a rivet (all-position ring shape, sleeved on the ejector rod 21) are sequentially assembled. And after the assembly is finished, inserting the rivet core rod, and pushing the ejector rod 21 into the inner cavity 14 of the tool seat by the core rod penetrating into other parts to finish the assembly.
And (3) carrying out rivet press mounting on the workpiece: the core rod is further pressed in from top to bottom by the press, and the press-fitting surface 12 bears the press-fitting pressure. And (5) after the press mounting is in place, the press is withdrawn, and the press mounting is completed. And then taking out the workpiece to finish machining, and circularly reciprocating.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machines, the parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so that the detailed description is omitted.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. The utility model provides a self-plugging rivet frock which characterized in that: the tool comprises a tool seat (1), a piston rod structure (2) and a bottom plate (4),
the bottom plate (4) is arranged at one end of the tool seat (1), one end of the piston rod structure (2) penetrates through the other end of the tool seat (1) and penetrates through the bottom plate (4), and the piston rod structure (2) is arranged along the axis direction of the tool seat (1) through the spring (3) to move up and down.
2. The blind rivet tool according to claim 1, characterized in that: the bottom plate (4) is detachably connected with the tool seat (1).
3. The blind rivet tool according to claim 1, characterized in that: the spring is sleeved on the piston rod structure (2), one end of the spring is in contact with the piston rod structure (2), and the other end of the spring is in contact with the bottom plate (4).
4. A blind rivet fixture according to any one of claims 1 to 3, characterized in that: frock seat (1) one end is pressure equipment face (12), pressure equipment face (12) center is equipped with pressure equipment hole (11), frock seat (1) along the axle center direction be equipped with frock seat inner chamber (14) of pressure equipment hole (11) intercommunication, piston rod structure (2) one end is stretched out from pressure equipment hole (11) pressure equipment face (12).
5. A blind rivet fixture according to claim 4, characterized in that: and the press-mounting surface (12) is provided with a mounting hole (13).
6. A blind rivet fixture according to claim 4, characterized in that: the diameter of the press-fitting hole (11) is smaller than that of the inner cavity (14) of the tool seat.
7. A blind rivet fixture according to any one of claims 1 to 3, characterized in that: the piston rod structure (2) comprises a push rod (21), a piston (22) and a guide rod (23) which are connected in sequence, and the diameters of the push rod (21), the guide rod (23) and the piston (22) are increased in sequence.
8. A blind rivet fixture according to claim 7, characterized in that: the push rod (21) penetrates through the tool seat (1), the piston (22) is arranged in the tool seat (1) and in clearance fit with the tool seat (1), the spring (3) is sleeved on the guide rod (23), the guide rod (23) is far away from one end of the piston (22) and penetrates through the bottom plate (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123161922.5U CN216442466U (en) | 2021-12-16 | 2021-12-16 | Self-plugging rivet tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123161922.5U CN216442466U (en) | 2021-12-16 | 2021-12-16 | Self-plugging rivet tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216442466U true CN216442466U (en) | 2022-05-06 |
Family
ID=81375962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123161922.5U Active CN216442466U (en) | 2021-12-16 | 2021-12-16 | Self-plugging rivet tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216442466U (en) |
-
2021
- 2021-12-16 CN CN202123161922.5U patent/CN216442466U/en active Active
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