CN211990603U

CN211990603U - Multipoint riveting mechanism

Info

Publication number: CN211990603U
Application number: CN201922488985.8U
Authority: CN
Inventors: 惠斌; 贾紫超
Original assignee: Suzhou Yiweilan Electronic Technology Co ltd
Current assignee: Suzhou Yiweilan Electronic Technology Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-11-24
Anticipated expiration: 2029-12-31

Abstract

The utility model relates to a technical field of riveting assembly processing, concretely relates to multiple spot riveting mechanism, it includes carries out the positioning jig who fixes a position to the work piece and carries out extruded extrusion structure to the work piece, and the extrusion structure locates the extrusion subassembly in the positioning jig outside including the ring, and the extrusion subassembly is including the first rocking arm that can extrude the work piece, and first rocking arm articulates in one side of positioning jig. The first rocker arm can extrude the workpiece on the positioning jig to complete the assembly of the workpiece. Meanwhile, the first rocker arm is hinged to the positioning jig, the workpiece can be extruded after the first rocker arm rotates, the extrusion force of the first rocker arm can be decomposed in the process of extruding the workpiece by rotating the first rocker arm, and a part of force is directly extruded to the workpiece along the center of the workpiece, so that the damage of parts assembled after all the force is directly extruded to the workpiece is avoided. And a part of the force is along the tangential direction of the workpiece, so that the workpiece tends to move towards the direction of the positioning jig, and the workpiece is fixed more stably.

Description

Multipoint riveting mechanism

Technical Field

The utility model relates to a technical field of riveting assembly processing, concretely relates to multiple spot riveting mechanism.

Background

The existing electromagnetic valve generally comprises a winding frame, an iron core, a base and a shell, wherein the iron core is positioned in a coil of the winding frame, and the base and the shell are positioned on the outer side of the winding frame and are wrapped on the winding frame. The existing electromagnetic valve can extrude and deform the shell in the assembling process, so that the shell clamps the winding framework.

Generally, in the prior art, the cylinder device directly abuts against the outer side wall of the shell to extrude the shell, so that the assembly of the shell and the winding framework is completed. However, in the process of extruding the cylinder, the piston rod end of the cylinder is directly abutted to the shell, so that the extrusion force applied to the shell is too large, the extrusion deformation of the shell is easily caused to be too large, and the assembled parts are damaged.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multiple spot is riveted and mechanism to solve among the prior art the extrusion force that the shell received when extrusion assembly is too big, lead to the technical problem that the shell damaged easily.

In order to realize the above object, the utility model discloses a technical scheme provide a multiple spot riveting mechanism, include to the work piece carry out the location tool of location and right the work piece carries out extruded extrusion structure, the extrusion structure is located including the ring the extrusion subassembly in the location tool outside, the extrusion subassembly is including extrudeing the first rocking arm of work piece, first rocking arm articulate in one side of location tool.

Furthermore, the extrusion assembly further comprises a second rocker arm capable of extruding the workpiece, the second rocker arm is hinged to the other side of the positioning jig, and the second rocker arm and the first rocker arm are arranged oppositely.

Further, the multipoint riveting mechanism further comprises an installation plate, and the positioning jig, the first rocker arm and the second rocker arm are all located on the installation plate.

Further, the positioning jig is located on the mounting plate and comprises a positioning base and a positioning block, a mounting groove for accommodating the workpiece is formed in one side of the positioning block, the positioning base is arranged inside the mounting groove, and the first rocker arm and the second rocker arm are hinged to the positioning block.

Furthermore, a sensor for detecting whether the workpiece is installed in place is further arranged on one side of the installation groove.

Further, the sensor may employ a fiber optic sensor.

Furthermore, the extrusion assembly further comprises a third rocker arm capable of extruding the workpiece, the third rocker arm is hinged to the positioning block, and the third rocker arm is located between the first rocker arm and the second rocker arm.

Further, extrusion structure still includes the driving piece, first rocking arm, the second rocking arm with one side of third rocking arm all is provided with the drive first rocking arm, the second rocking arm with third rocking arm pivoted driving piece, the driving piece is located on the mounting panel.

Furthermore, a connecting piece is arranged on the mounting plate, the driving piece body is hinged to the connecting piece, and the output shaft end of the driving piece is hinged to the first rocker arm, the second rocker arm and the third rocker arm respectively.

Further, the first rocker arm, the second rocker arm and the third rocker arm can abut against one end of the workpiece and are provided with extrusion protrusions.

The beneficial effects of the utility model reside in that:

1. the first rocker arm can extrude the workpiece on the positioning jig to complete the assembly of the workpiece. Meanwhile, the first rocker arm is hinged to the positioning jig, the workpiece can be extruded after the first rocker arm rotates, the extrusion force of the first rocker arm can be decomposed in the process of extruding the workpiece by rotating the first rocker arm, and a part of force is directly extruded to the workpiece along the center of the workpiece, so that the damage of parts assembled after all the force is directly extruded to the workpiece is avoided. And a part of the force is along the tangential direction of the workpiece, so that the workpiece tends to move towards the direction of the positioning jig, and the workpiece is fixed more stably.

2. The first rocker arm and the second rocker arm are arranged oppositely, so that when a workpiece is subjected to extrusion assembly, the force exerted on two sides of the workpiece is equal, the workpiece is more conveniently extruded integrally, and the damage to parts inside the workpiece caused by overlarge local extrusion force of the workpiece is avoided.

3. Through setting up the mounting panel, support positioning jig and extrusion subassembly, the extrusion subassembly of being convenient for extrudes the assembly work piece.

4. The positioning base can fix the bottom of the workpiece, the mounting groove can position the side wall of the workpiece, and the first rocker arm and the second rocker arm are hinged to the positioning block to extrude the workpiece, so that the workpiece and the internal parts are assembled.

5. Whether the shell is installed in place or not can be detected by arranging the sensor, and only when the workpiece is installed in place, the sensor can send an electric signal to drive the extrusion assembly to rotate and extrude the shell to complete the assembly of the shell.

6. Compared with the traditional sensors, the optical fiber sensor uses the optical fiber as a carrier of sensitive information and uses the optical fiber as a medium for transmitting the sensitive information, has the characteristics of optical fiber and optical measurement, and has a series of unique advantages. The high-sensitivity electromagnetic interference-resistant optical cable has the advantages of good electrical insulation performance, strong electromagnetic interference resistance, non-invasiveness, high sensitivity, easy realization of remote monitoring of a detected signal, corrosion resistance, explosion resistance, flexibility of an optical path and convenience for connection with a computer.

7. Through setting up the third rocking arm for the multi-point atress during the extrusion equipment of work piece is favorable to the whole deformation of work piece lateral wall, avoids the too big part damage that causes the work piece of the local extrusion force of work piece.

8. Through setting up the driving piece, the rotation of first rocking arm, second rocking arm and third rocking arm can be driven respectively to the driving piece, and the first rocking arm of being convenient for, second rocking arm and third rocking arm rotate extrusion assembly work piece.

9. One end of the driving part body is hinged to the connecting piece, the output shaft end of the driving part is hinged to the first rocker arm, the second rocker arm and the third rocker arm respectively, the first rocker arm, the second rocker arm and the third rocker arm can be better driven to rotate through the hinge at two positions, and the situation that the rotation of the first rocker arm, the second rocker arm and the third rocker arm is influenced due to the fact that the driving part is blocked is avoided.

10. Through setting up the extrusion arch for the extrusion position is more accurate, the part extrusion assembly of work piece shell and work piece inside of being convenient for.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic perspective view of a multipoint riveting mechanism provided in an embodiment of the present invention;

fig. 2 is a schematic view of another perspective three-dimensional structure of a multi-point riveting mechanism according to an embodiment of the present invention.

Description of reference numerals:

1. positioning a jig; 11. positioning a base; 12. positioning blocks; 121. mounting grooves; 13. a sensor; 2. extruding the structure; 21. an extrusion assembly; 211. a first rocker arm; 212. a second rocker arm; 213. a third rocker arm; 22. a drive member; 221. connecting blocks; 222. a hinge joint; 2221. a slot; 24. extruding the bulge; 3. mounting a plate; 31. a connecting member; 311. and connecting the grooves.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

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.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Referring to fig. 1, as the embodiment of the utility model provides a multiple spot riveting mechanism, including the positioning jig 1 that advances line location to the work piece and carry out extruded extrusion structure 2 to the work piece, extrusion structure 2 is including the extrusion subassembly 21 that the ring located the positioning jig 1 outside, and extrusion subassembly 21 is including the first rocking arm 211 that can extrude the work piece, and first rocking arm 211 articulates in one side of positioning jig 1. The first rocker arm 211 can extrude the workpiece on the positioning jig 1, and the assembly of the workpiece is completed. Meanwhile, the first rocker arm 211 is hinged to the positioning jig 1, the workpiece can be extruded after the first rocker arm 211 rotates, the extrusion force of the first rocker arm 211 can be decomposed in the process of extruding the workpiece by rotating the first rocker arm 211, and a part of force is directly extruded to the workpiece along the center of the workpiece, so that the damage of parts assembled after all the force is directly extruded to the workpiece is avoided. A part of the force is along the tangential direction of the workpiece, so that the workpiece tends to move towards the direction of the positioning jig 1, and the workpiece is fixed more stably.

Referring to fig. 1, specifically, the multipoint riveting mechanism further comprises a mounting plate 3, the positioning jig 1 is located on the mounting plate 3, and the positioning jig 1 and the extrusion assembly 21 are supported by the mounting plate 3, so that the extrusion assembly 21 can extrude and assemble a workpiece conveniently. The positioning fixture 1 comprises a positioning base 11 and a positioning block 12, wherein a mounting groove 121 for accommodating a workpiece is formed in one side of the positioning block 12, and the positioning base 11 is arranged in the mounting groove 121. The positioning base 11 can fix the bottom of the workpiece, the mounting groove 121 can position the side wall of the workpiece, and the first rocker arm 211 and the second rocker arm 212 are hinged on the positioning block 12 to extrude the workpiece, so that the assembly of the workpiece and internal parts is completed.

The positioning base 11 may not be provided, and at this time, a clamping device may be provided at the bottom of the mounting groove 121, and the clamping device clamps and fixes the bottom end of the workpiece, and may also play a role in positioning the workpiece.

Referring to fig. 1, further, a sensor 13 for detecting whether a workpiece is mounted in place is disposed at one side of the mounting groove 121. Whether the shell is installed in place or not can be detected by arranging the sensor 13, and only when the workpiece is installed in place, the sensor 13 sends an electric signal to drive the extrusion assembly 21 to rotate and extrude the shell, so that the shell is assembled. In this embodiment, the sensor 13 is an optical fiber sensor 13, and compared with the conventional sensors 13, the optical fiber sensor 13 uses an optical fiber as a carrier of sensitive information and uses the optical fiber as a medium for transmitting the sensitive information, and has the characteristics of optical fiber and optical measurement, and a series of unique advantages. The high-sensitivity electromagnetic interference-resistant optical cable has the advantages of good electrical insulation performance, strong electromagnetic interference resistance, non-invasiveness, high sensitivity, easy realization of remote monitoring of a detected signal, corrosion resistance, explosion resistance, flexibility of an optical path and convenience for connection with a computer.

The sensor 13 may also be an electromagnetic sensor 13 or other types of sensors 13, as long as it can sense whether the workpiece is mounted in place.

Referring to fig. 1, further, the pressing assembly 21 further includes a second swing arm 212 capable of pressing the workpiece, the second swing arm 212 is hinged to the other side of the positioning fixture 1, and the second swing arm 212 is disposed opposite to the first swing arm 211. The first rocker arm 211 and the second rocker arm 212 are arranged oppositely, so that when a workpiece is subjected to extrusion assembly, the force applied to two sides of the workpiece is equal, the workpiece is more conveniently extruded integrally, and the damage to parts inside the workpiece caused by overlarge local extrusion force of the workpiece is avoided.

Referring to fig. 1, the pressing assembly 21 further includes a third swing arm 213 capable of pressing the workpiece, the third swing arm 213 is hinged to the positioning block 12, and the third swing arm 213 is located between the first swing arm 211 and the second swing arm 212. Through setting up third rocking arm 213 for the multi-point atress during the extrusion equipment of work piece is favorable to the whole deformation of work piece lateral wall, avoids the local extrusion force of work piece too big and causes the part damage of work piece inside.

When the pressing assembly 21 works, the first rocker arm 211 and the second rocker arm 212 are started first, and work at the same time, and the first rocker arm 211 and the second rocker arm 212 can press a workpiece when rotating. When the first rocker arm 211 and the second rocker arm 212 extrude the workpiece, a part of force tends to move along the tangential direction of the workpiece, so that the workpiece tends to move towards the side wall of the mounting groove 121, the workpiece is abutted against the side wall of the mounting groove 121, and the workpiece is fixed more stably. After the workpiece is clamped under the action of the initial extrusion force of the first rocker arm 211 and the second rocker arm 212, the third rocker arm 213 is restarted to extrude the workpiece, so that the workpiece is stressed at multiple points, and the assembly of the workpiece is facilitated.

Referring to fig. 1 and 2, further, the pressing structure 2 further includes a driving member 22, one side of each of the first rocker arm 211, the second rocker arm 212 and the third rocker arm 213 is provided with a driving member 22 for driving the first rocker arm 211, the second rocker arm 212 and the third rocker arm 213 to rotate, and the driving member 22 is located on the mounting plate 3. In the embodiment, the driving member 22 is an air cylinder, and by providing the driving member 22, the driving member 22 can respectively drive the first rocker arm 211, the second rocker arm 212 and the third rocker arm 213 to rotate, so that the first rocker arm 211, the second rocker arm 212 and the third rocker arm 213 can rotate to extrude the assembly workpiece.

The driving member 22 may also be an electric cylinder or a stepping motor, or a transmission device using a motor and other transmission members, as long as the output end of the driving member 22 can drive the rocker arm to rotate.

Referring to fig. 1 and 2, further, a connecting member 31 is disposed on the mounting plate 3, the driving member 22 is hinged to the connecting member 31, and output shaft ends of the driving member 22 are hinged to the first rocker arm 211, the second rocker arm 212 and the third rocker arm 213 respectively. One end of the driving element 22 body is hinged to the connecting element 31, the output shaft ends of the driving element 22 are hinged to the first rocker arm 211, the second rocker arm 212 and the third rocker arm 213 respectively, and the first rocker arm 211, the second rocker arm 212 and the third rocker arm 213 can be better driven to rotate through the two hinged positions, so that the driving element 22 is prevented from being blocked to influence the rotation of the first rocker arm 211, the second rocker arm 212 and the third rocker arm 213.

Referring to fig. 1 and 2, in particular, the number of the connecting members 31 in this embodiment is three, and exactly three driving members 22 are respectively connected. The connecting member 31 is fixedly mounted on the mounting plate 3, a connecting groove 311 is formed in one side of the connecting member 31, a connecting block 221 is fixedly connected to one end of the driving member 22, and the connecting block 221 is inserted into the connecting groove 311 and is rotatably connected to the connecting groove 311. The output shaft end of the driving member 22 is fixedly connected with a hinge joint 222, one end of the hinge joint 222 is provided with a slot 2221, and the ends of the first rocker arm 211, the second rocker arm 212 and the third rocker arm 213 far away from the workpiece are inserted into the slot 2221 and rotatably connected with the slot 2221. One end of each of the three driving members 22 is hinged to the connecting member 31, the other end of each of the three driving members 22 is hinged to the first rocker arm 211, the second rocker arm 212 and the third rocker arm 213, the driving members 22 are located above the mounting plate 3 and are in a suspended state and do not contact with the mounting plate 3, and the situation that the driving members 22 move due to the fact that the friction force generated by the movement of the driving members is large and influences the rotation of the first rocker arm 211, the second rocker arm 212 and the third rocker.

The connecting slot 311 and the insertion slot 2221 may not be provided, the connecting block 221 is directly hinged to the connecting member 31, and the hinge joint 222 is directly hinged to the first swing arm 211, the second swing arm 212, or the third swing arm 213. The manner of the hinge is various, and the specific hinge is not limited as long as the two ends of the driving member 22 can move.

Referring to fig. 1, further, one ends of the first rocker arm 211, the second rocker arm 212, and the third rocker arm 213, which may abut against the workpiece, are each provided with a pressing protrusion 24. Through setting up extrusion arch 24 for the extrusion position is more accurate, the part extrusion assembly of the work piece shell and work piece inside of being convenient for. The end surface of the extrusion protrusion 24 close to the workpiece may be a plane, an inclined surface or an arc surface, and the shape of the end surface may be specifically adjusted according to the shape of the outer side wall of the workpiece.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A multipoint riveting mechanism, comprising:

a positioning jig (1) for positioning a workpiece; and

the workpiece is extruded to form an extrusion structure (2), the extrusion structure (2) comprises an extrusion assembly (21) which is annularly arranged on the outer side of the positioning jig (1), the extrusion assembly (21) comprises a first rocker arm (211) capable of extruding the workpiece, and the first rocker arm (211) is hinged to one side of the positioning jig (1).

2. The multipoint riveting mechanism according to claim 1, characterized in that the extrusion assembly (21) further comprises a second rocker arm (212) capable of extruding the workpiece, the second rocker arm (212) is hinged to the other side of the positioning fixture (1), and the second rocker arm (212) is arranged opposite to the first rocker arm (211).

3. A multipoint riveting mechanism according to claim 2, characterized in that it further comprises a mounting plate (3), the positioning jig (1), the first rocker arm (211) and the second rocker arm (212) being located on the mounting plate (3).

4. The multipoint riveting mechanism according to claim 3, wherein the positioning jig (1) is located on the mounting plate (3), the positioning jig (1) comprises a positioning base (11) and a positioning block (12), an installation groove (121) for accommodating the workpiece is formed in one side of the positioning block (12), the positioning base (11) is arranged in the installation groove (121), and the first rocker arm (211) and the second rocker arm (212) are hinged to the positioning block (12).

5. A multipoint riveting mechanism according to claim 4, characterized in that one side of the mounting groove (121) is also provided with a sensor (13) for detecting whether the workpiece is mounted in place.

6. A multipoint riveting mechanism according to claim 5, characterized in that the sensor (13) is a fibre optic sensor (13).

7. A multipoint riveting mechanism according to claim 4, wherein the pressing assembly (21) further comprises a third rocker arm (213) capable of pressing the workpiece, the third rocker arm (213) being hinged to the positioning block (12), the third rocker arm (213) being located between the first rocker arm (211) and the second rocker arm (212).

8. A multipoint riveting mechanism according to claim 7, wherein the extrusion structure (2) further comprises a driving member (22), one side of each of the first rocker arm (211), the second rocker arm (212) and the third rocker arm (213) is provided with a driving member (22) for driving the first rocker arm (211), the second rocker arm (212) and the third rocker arm (213) to rotate, and the driving member (22) is located on the mounting plate (3).

9. A multipoint riveting mechanism according to claim 8, wherein a connecting piece (31) is arranged on the mounting plate (3), the driving piece (22) is hinged to the connecting piece (31) in a body manner, and output shaft ends of the driving piece (22) are respectively hinged to the first rocker arm (211), the second rocker arm (212) and the third rocker arm (213).

10. A multipoint riveting mechanism according to claim 7, characterized in that the ends of the first rocker arm (211), the second rocker arm (212) and the third rocker arm (213) that can abut against the workpiece are provided with a pressing projection (24).