CN219597980U

CN219597980U - Riveting device

Info

Publication number: CN219597980U
Application number: CN202320584512.1U
Authority: CN
Inventors: 曾学文; 李金平; 陈余进; 黄伟兴
Original assignee: SAIC GM Wuling Automobile Co Ltd
Current assignee: SAIC GM Wuling Automobile Co Ltd
Priority date: 2023-03-23
Filing date: 2023-03-23
Publication date: 2023-08-29
Anticipated expiration: 2033-03-23

Abstract

The utility model relates to the technical field of riveting processes, in particular to a riveting device which is arranged on a riveting machine tool for performing a riveting process on a part to be riveted, wherein the riveting machine tool comprises a workbench surface and a rivet head, and the riveting device comprises: the fixed seat is arranged on the working table surface; the rotating tool is provided with a mounting hole; the rivet shaft sleeve is embedded in the mounting hole, and the inner diameter and/or the height of part of the rivet shaft sleeve are different; when the rotation amount of the rotating tool is different, the rivet heads can rivet rivets in rivet shaft sleeves with different inner diameters and/or heights. The riveting device is simple in structure, the plurality of mounting holes are formed in the rotary tool, the rivet shaft sleeves with different specifications can be mounted in the mounting holes, different rivet shaft sleeves can be selected by rotating the rotary tool by a designated angle according to the specifications of rivets on a part to be riveted, and then the positioning accuracy of the rivets is high in the riveting process of the rivets with different specifications, and the rivet die is not required to be replaced or the height of the rivet head is not required to be adjusted, so that the riveting efficiency is high.

Description

Riveting device

[ field of technology ]

The utility model relates to the technical field of riveting processes, in particular to a riveting device.

[ background Art ]

The splicing of each part to be riveted on the automobile is mostly rivet riveting, namely, the rivet on the part to be riveted is riveted by adopting the rivet head on the riveting press machine, so that the end part of the rivet is deformed, and the parts to be riveted are firmly connected. However, since the volume of each part to be riveted is different, the specification of the rivet required, for example, the diameter and the length are also different.

In the prior art, a single riveting device is adopted to position rivets independently and then the rivets are riveted by the heads of the riveting press machine tool, when one part to be riveted needs to use rivets with different diameters or different lengths, the heights of the rivets need to be switched, so that the processing period of the part to be riveted is long, and in the process of switching the riveting device or adjusting the heights of the rivets, the positioning precision between the rivets and the heads is poor easily.

[ utility model ]

In view of the above, the utility model provides a riveting device, which can rivet rivets with different specifications by selecting shaft sleeves with different specifications on a rotating tool.

The utility model provides a riveting device, which is arranged on a riveting machine tool and is used for riveting a part to be riveted, wherein the riveting machine tool comprises a workbench surface and a rivet head arranged above the workbench surface, and the riveting device comprises:

the fixed seat is arranged on the workbench surface;

the rotating tool is rotatably arranged on the fixed seat, and a plurality of mounting holes are formed in the top surface of the rotating tool; and

The rivet shaft sleeve is partially embedded in the plurality of mounting holes, and at least part of the rivet shaft sleeve is different in inner diameter and/or height; when the rotation amounts of the rotation tools are different, the rivet shaft sleeves with different inner diameters and/or heights can be opposite to the rivet heads, and the rivet heads can rivet rivets embedded into the rivet shaft sleeves.

In a possible embodiment, the top surface of the rotating tool is further provided with a supporting protrusion, and the supporting protrusion is used for supporting the part to be riveted.

In a possible embodiment, the riveting device further comprises a positioning structure comprising a positioning protrusion and a positioning shaft;

the positioning protrusions are circumferentially arranged on the side wall of the rotary tool, the positioning shaft is arranged on the fixed seat, and when the rotary tool is in a static state, the positioning shaft is positioned between adjacent mounting holes; and when the positioning protrusion is abutted to the positioning shaft, the mounting hole is staggered with the rivet head and is used for embedding the rivet on the part to be riveted into the rivet shaft sleeve.

In a possible embodiment, the riveting device further comprises a rotating assembly, and the rotating tool is rotatably mounted on the fixing seat through the rotating assembly.

In a possible embodiment, the rotating assembly comprises a rotating shaft pin and a rotating bearing, wherein the rotating shaft pin is arranged on the fixed seat, and the rotating bearing is connected with the rotating shaft pin and the rotating tool.

In a possible embodiment, the rivet bush includes a main body portion and an abutment portion provided along a radial direction of the main body portion, the rivet bush is mounted at the mounting hole through the abutment portion, and the main body portion is embedded in the mounting hole.

In a possible embodiment, four of the mounting holes are equally spaced at the edge of the top surface.

In a possible embodiment, the mounting hole is a through hole or a blind hole.

In a possible embodiment, the fixing base and the riveting machine tool are in adhesive connection, snap connection or screw connection.

In a possible embodiment, the support projection is provided with at least one mounting hole.

After adopting above-mentioned technical scheme, beneficial effect is:

the riveting device provided by the utility model has a simple structure, a plurality of mounting holes are formed in the rotating tool, rivet shaft sleeves with different specifications can be mounted in the mounting holes, when the rivet heads of the riveting machine tool carry out the riveting process on the parts to be riveted, different rivet shaft sleeves can be selected by rotating the rotating tool by a designated angle according to the specifications of the rivets on the parts to be riveted, so that the riveting process of the rivets with different specifications can be realized, the positioning precision of the rivets is high, the riveting device is not required to be replaced or the height of the rivet heads of the riveting machine tool is not required to be adjusted, and the riveting efficiency is high.

[ description of the drawings ]

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a riveting device provided by the utility model.

Reference numerals:

1-a part to be riveted; 2-fixing seats; 21-positioning the shaft; 3-rotating the tool; 31-supporting protrusions; 32-positioning protrusions; 4-rivet shaft sleeve.

[ detailed description ] of the utility model

For a better understanding of the technical solution of the present utility model, the following detailed description of the embodiments of the present utility model refers to the accompanying drawings.

It should be understood that the described embodiments are merely some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The terminology used in the embodiments of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used in this application and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

It should be understood that the term "and/or" as used herein is merely one relationship describing the association of the associated objects, meaning that there may be three relationships, e.g., a and/or B, may represent: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.

In view of the above, the present utility model provides a riveting device, which is disposed on a riveting machine for performing a riveting process on a part 1 to be riveted, wherein the riveting machine includes a worktable and a rivet head disposed above the worktable, and fig. 1 is a schematic structural diagram of the riveting device provided by the present utility model, as shown in fig. 1, the riveting device includes:

the fixed seat 2 is arranged on the working table surface;

the rotating tool 3 is rotatably arranged on the fixed seat 2, and a plurality of mounting holes are formed in the top surface of the rotating tool 3; and

The rivet shaft sleeve 4 is partially embedded in the plurality of mounting holes, and at least part of the rivet shaft sleeve 4 has different inner diameters and/or heights; when the rotation amounts of the rotating tool 3 are different, the rivet shaft sleeves 4 with different inner diameters and/or heights can be opposite to the rivet heads, and the rivet heads can rivet the rivets embedded in the rivet shaft sleeves 4.

Among the above-mentioned scheme, riveting set simple structure, through seting up a plurality of mounting holes on rotatory frock 3, rivet axle sleeve 4 of mountable different specifications in the mounting hole, when the riveting machine tool's die is treated riveting part 1 and is carried out the riveting process, can select different rivet axle sleeves 4 to rotatory appointed angle of rotatory frock 3 according to the specification of waiting to rivet on part 1, and then can realize the riveting process to different specification rivets, the positioning accuracy of rivet is high, and need not extra process and change riveting set or adjust the height of the die of riveting machine tool, riveting efficiency is high.

In some embodiments, the clinching process is specifically: the rivet passes through the through hole on the part to form a part 1 to be riveted, then the part 1 to be riveted is positioned on the working table surface of the riveting press machine tool, the rivet head of the riveting press machine tool moves to be positioned on the same axis with the rivet on the part 1 to be riveted, at the moment, the riveting press machine tool generates static pressure to transmit to the rivet head, the rivet head moves to be abutted with the rivet and upsets the end part of the rivet to form an upsetting head, and then the connection between the rivet and the part or between the part and the part is firm.

In the riveting process, the positioning of the part 1 to be riveted is realized through a riveting device, and the riveting device comprises a fixed seat 2, a rotary tool 3 and a rivet shaft sleeve 4 arranged on the rotary tool 3.

The fixing seat 2 is of a plate-shaped structure, a mounting base of a riveting device is formed, the riveting device can be fixed on a working table surface of the riveting machine tool through the fixing seat 2, and the connection mode of the fixing seat 2 and the working table surface can be adhesive connection, buckle connection, screw connection or the like. It can be understood that when the fixing seat 2 and the working table surface are in bonding connection, the bonding adhesive layer is arranged on the bottom surface of the fixing seat 2, the bonding area is large, the installation stability of the fixing seat 2 is high, no deviation occurs in the use process, but the disassembly is difficult; when the fixing seat 2 is connected with the working table surface by adopting a screw, for example, a T-shaped nut is connected with the screw, the connection between the fixing seat 2 and the working table surface is firm, but an additional screw hole is required to be formed on the working table surface, so that the structural integrity of the working table surface is affected; when fixing base 2 and table surface adopt the buckle to be connected, through setting up the buckle on table surface, can install fixing base 2 or dismantle, riveting set's change is simple, but connection stability is poor than the screw connection, and need set up extra structure on table surface, the process is complicated. The connection mode between the fixing base 2 and the working table can be selected according to actual needs, and is not limited herein.

The rotary tool 3 is a riveting base of the rivet, and the rivet can be partially embedded into the rotary tool 3 for positioning and then is subjected to a riveting process, so that the precision of the riveting process is ensured. Specifically, a plurality of mounting holes are formed in the top surface of the rotating tool 3, the mounting holes are through holes or blind holes, the plurality of mounting holes are arranged around the edge of the top surface, rings formed by the circle centers of the plurality of mounting holes are correspondingly arranged with the rivet heads of the riveting press machine tool, namely, when the rotating tool 3 rotates by different angles, the deviation between the circles of different mounting holes and the rivet head center of the riveting press machine tool is smaller than 0.1mm or is positioned on the same axis, the positioning precision of rivets on the parts 1 to be riveted is guaranteed, and the qualification rate of products is improved. Preferably, the top surface of the rotating tool 3 is provided with four mounting holes, and the four mounting holes are arranged at the edge of the top surface at equal intervals.

Meanwhile, the rivet shaft sleeves 4 are arranged in the mounting holes, the rivet shaft sleeves 4 in different mounting holes are different in specification, and rivets of different specifications can be positioned. Specifically, the rivet shaft sleeve 4 includes a main body portion and an abutment portion disposed along a radial direction of the main body portion, the rivet shaft sleeve 4 is clamped at the mounting hole through the abutment portion, the main body portion is embedded in the mounting hole, and the depth and the inner diameter of the main body portion of the rivet shaft sleeve 4 at different mounting holes are different. It will be appreciated that the greater the depth of the body portion, the greater the length of the rivet that can be installed, and the greater the diameter of the body portion, i.e., the type of rivet that can be installed, including short wide rivets, long wide rivets, short thin rivets, or long thin rivets, etc., the specification of the bushing can be selected according to the actual need and is not limited herein.

It should be noted that the number of the bushings used in the utility model is not limited to four, and the bushings with various specifications can be obtained at one time through processing, and when the bushing is used, the bushings in the mounting holes are taken down, the bushings with other specifications are replaced, so that rivets with various specifications can be riveted, the using range of the rotary tool 3 is enlarged, and the production efficiency is improved.

Further, the rotating tool 3 rotates by different angles so as to coaxially position the bushings with different specifications and the rivet heads of the riveting machine tool through the rotating assembly, the rotating assembly comprises a rotating shaft pin and a rotating bearing, the rotating shaft pin is arranged on the fixing seat 2 along the vertical direction, the rotating bearing is embedded into the bottom surface of the rotating tool 3, the rotating shaft pin can be connected with a through hole of the rotating bearing, the rotating tool 3 can rotate around the rotating bearing, and further, the shaft sleeves with different specifications can be positioned on the same axis with the rivet heads of the riveting machine tool.

It should be noted that, the rotation angle of the rotating tool 3 may be implemented according to the setting of the mounting holes, for example, if four mounting holes are provided, and for simplicity in the operation process, the rotation angle may be set to be 45 ° clockwise or 45 ° counterclockwise, and at this time, the rotating tool 3 is locked by the locking structure, for example, a buckle, so that the rotating tool cannot rotate in the riveting process.

In some embodiments, since the volume of the part 1 to be riveted is large, and the rivet head of the riveting press machine is in point contact with the rivet, in the riveting process, if the parts of the part 1 to be riveted are not on the same horizontal plane, positioning accuracy of the rivet can be affected, and therefore, the supporting protrusion 31 is further provided on the top surface of the rotating tool 3, and the supporting protrusion 31 can be a rectangular boss supporting protrusion 31 provided on the top surface for supporting the part 1 to be riveted. It will be appreciated that when the part 1 to be riveted is riveted, the rivet portion abuts the sleeve, and the remainder is supported by the support protrusions 31, thereby ensuring that the parts of the part 1 to be riveted are all located on the same horizontal plane. And can also set up at least one mounting hole on the supporting bulge 31, the setting rivet axle sleeve 4 of mounting hole, and then the supporting bulge 31 examines the effect of utensil riveting and support.

In some embodiments, since the rivet head of the riveting device can move in the horizontal direction and the vertical direction, in the technical scheme of the utility model, in order to reduce repositioning errors caused by the horizontal movement of the rivet head, the riveting device further comprises a positioning structure, and the rivet and the shaft sleeve on the part 1 to be riveted are conveniently installed through the positioning structure. The positioning structure comprises a positioning protrusion 32 and a positioning shaft 21, wherein the positioning protrusion 32 is circumferentially arranged on the side wall of the rotary tool 3, the positioning shaft 21 is arranged on the fixed seat 2, and when the rotary tool 3 is in a static state, the positioning shaft 21 is positioned between adjacent mounting holes. It can be understood that when the part 1 to be riveted needs to be installed, the rotating tool 3 rotates until the positioning protrusion 32 abuts against the positioning shaft 21, and at this time, the mounting hole and the rivet head are dislocated, so that the rivet on the part 1 to be riveted can be embedded into the rivet shaft sleeve 4 and then rotate in the opposite direction, and the rivet head can be located on the same axis.

In the practical application process, a rivet passes through a riveting hole on a part to obtain a part 1 to be riveted, and a riveting device is fixed on a working table of a riveting machine tool; the rotary tool 3 is rotated to enable the positioning protrusion 32 to be abutted with the positioning shaft 21, at the moment, the mounting hole is staggered with the rivet head, so that the rivet on the part 1 to be riveted can be embedded into the rivet shaft sleeve 4, and then the rivet and the rivet head are rotated in the opposite direction, so that the part 1 to be riveted can be positioned on the same axis and fixed on the fixed seat 2 of the riveting device; the riveting machine tool generates static pressure to transmit the static pressure to the rivet head, the rivet head moves to be abutted with the rivet and upsetting the end part of the rivet to form an upsetting head, and therefore the rivet and the part or the part and the part are firmly connected, and the riveting is completed.

Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting. Although the utility model has been described in detail with reference to the foregoing embodiments, it will be appreciated by those skilled in the art that variations may be made to the embodiments described, or equivalents may be substituted for elements thereof in part or in whole. Such modifications and substitutions do not depart from the spirit of the utility model.

Claims

1. The utility model provides a riveting set, its characterized in that, riveting set sets up on the squeeze riveter for treat riveting part (1) and rivet the process, squeeze riveter include table surface and set up in the die of table surface top, riveting set includes:

the fixing seat (2), the said fixing seat (2) is installed on said working table top;

the rotating tool (3) is rotatably arranged on the fixed seat (2), and a plurality of mounting holes are formed in the top surface of the rotating tool (3); and

The rivet shaft sleeve (4) is partially embedded in the plurality of mounting holes, and at least part of the rivet shaft sleeve (4) has different inner diameters and/or heights; when the rotation amounts of the rotation tools (3) are different, the rivet shaft sleeves (4) with different inner diameters and/or heights can be opposite to the rivet heads, and the rivet heads can rivet rivets embedded in the rivet shaft sleeves (4).

2. Riveting apparatus according to claim 1, characterized in that said top surface of said rotating tooling (3) is further provided with a supporting protrusion (31), said supporting protrusion (31) being adapted to support the part (1) to be riveted.

3. Riveting apparatus according to claim 1, characterized in that it further comprises a positioning structure comprising a positioning protrusion (32) and a positioning shaft (21);

the positioning protrusions (32) are circumferentially arranged on the side wall of the rotary tool (3), the positioning shaft (21) is arranged on the fixed seat (2), and when the rotary tool (3) is in a static state, the positioning shaft (21) is positioned between adjacent mounting holes; and the rotary tool (3) is rotated, and when the positioning protrusion (32) is abutted to the positioning shaft (21), the mounting hole is staggered with the rivet head and is used for embedding the rivet on the part to be riveted (1) into the rivet shaft sleeve (4).

4. Riveting apparatus according to claim 1, characterized in that it further comprises a rotating assembly by means of which the rotating tool (3) is rotatably mounted on the fixed seat (2).

5. The riveting apparatus according to claim 4, wherein the rotation assembly comprises a rotation shaft pin and a rotation bearing, the rotation shaft pin being arranged on the fixing base (2), the rotation bearing connecting the rotation shaft pin with the rotation tool (3).

6. Riveting apparatus according to claim 1, characterized in that the rivet bush (4) comprises a main body portion and an abutment portion provided in a radial direction of the main body portion, the rivet bush (4) being mounted at the mounting hole through the abutment portion, and the main body portion being embedded in the mounting hole.

7. The staking device of claim 1, wherein four of said mounting holes are equally spaced at the edges of said top surface.

8. The staking device of claim 1, wherein the mounting holes are through holes or blind holes.

9. Riveting apparatus according to claim 1, characterized in that said fixing seat (2) is adhesively connected, snap-in connected or screw connected to said press riveting machine.

10. Riveting apparatus according to claim 2, characterized in that said support protrusions (31) are provided with at least one mounting hole.