CN217070637U

CN217070637U - Self-locking mechanism, assembling device and riveting device

Info

Publication number: CN217070637U
Application number: CN202123205797.3U
Authority: CN
Inventors: 胡学滨; 易卫华; 刘长青; 龙文武; 王志文; 向春
Original assignee: Fulian Yuzhan Technology Shenzhen Co Ltd
Current assignee: Fulian Yuzhan Technology Shenzhen Co Ltd
Priority date: 2021-12-15
Filing date: 2021-12-15
Publication date: 2022-07-29
Anticipated expiration: 2031-12-15

Abstract

The utility model provides a self-locking mechanism, include: a main body; the sliding piece is arranged on the main body and can slide between the material placing position and the locking position, and the sliding piece is provided with a supporting part; and the self-locking assembly is movably arranged on the main body and is positioned on one side of the sliding piece, the sliding piece can be unlocked when the self-locking assembly moves to the first position, so that the sliding piece slides to the material placing position, and the self-locking assembly can move to the second position when the sliding piece slides to the locking position so as to lock the sliding piece, so that the connecting piece is connected with the first workpiece and the second workpiece. The utility model discloses a self-locking mechanism removes with unblock and locking slider through the auto-lock subassembly, simple structure, easy operation, and used manpower is few, and efficiency is higher, can effectual reduction human cost. An assembly device including the self-locking mechanism and a riveting device including the assembly device are also provided.

Description

Self-locking mechanism, assembling device and riveting device

Technical Field

The application relates to the technical field of riveting, in particular to a self-locking mechanism, an assembling device and a riveting device.

Background

For some products, it is desirable to rivet a first workpiece and a second workpiece together via a joint. The existing riveting device is realized by mortise and tenon joints sliding between a material placing position and a locking position or by a fastener, a first workpiece, a second workpiece and a connecting piece are placed on a sliding block when the sliding block moves to the material placing position, then the sliding block slides to the locking position, and after the sliding block is locked by the fastener (such as a bolt or a pin hole structure), the first workpiece and the second workpiece are connected by the connecting piece by utilizing a riveting punch. However, when the number of products is large, the locking structure is complex by adopting a mortise and tenon mode, and the locking mode by using the fastening piece is complex in operation and low in efficiency.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is necessary to provide a self-locking mechanism, an assembling device and a riveting device to solve the technical problems of complex structure, complex operation and low efficiency of the conventional locking method.

An embodiment of the utility model provides a self-locking mechanism, include: a main body; the sliding piece is arranged on the main body and can slide between a material placing position and a locking position, and the sliding piece is provided with a supporting part which is used for placing the first workpiece, the second workpiece and the connecting piece when the sliding piece slides to the material placing position; the self-locking assembly is movably arranged on the main body and located on one side of the sliding piece, the sliding piece can be unlocked when the self-locking assembly moves to the first position, so that the sliding piece slides to the material placing position, and the sliding piece can slide to the locking position and then move to the second position to lock the sliding piece, so that the connecting piece is connected with the first workpiece and the second workpiece.

In the self-locking mechanism, the self-locking assembly moves to the first position and unlocks the sliding piece, so that the sliding piece slides to the material placing position, and then the first workpiece, the second workpiece and the connecting piece are placed on the supporting part of the sliding piece; then the sliding part slides to the locking position, the self-locking assembly moves to the second position and locks the sliding part, and then the first workpiece and the second workpiece are connected through the connecting part. The self-locking mechanism moves to unlock and lock the sliding part through the self-locking assembly, and is simple in structure, simple to operate, low in manpower consumption, high in efficiency and capable of effectively reducing the labor cost.

The embodiment of the utility model provides an assembly device is still provided, include: the self-locking mechanism as described above; and the positioning mechanism is used for installing the self-locking mechanism.

In the assembling device comprising the self-locking mechanism, the self-locking mechanism is installed through the positioning mechanism, and the positioning design of the positioning mechanism can be matched with the positioning mechanism, so that the whole formed by connecting the first workpiece, the second workpiece and the connecting piece is riveted with a product or a frame body, wherein the product or the frame body is schematically glasses and AR/VR equipment. The self-locking assembly moves to a first position and unlocks the sliding piece, so that the sliding piece slides to a material placing position, and then the first workpiece, the second workpiece and the connecting piece are placed on the supporting part of the sliding piece; then the sliding part slides to the locking position, the self-locking assembly moves to the second position and locks the sliding part, and then the first workpiece and the second workpiece are connected through the connecting part. The self-locking mechanism moves to unlock and lock the sliding part through the self-locking assembly, and is simple in structure, simple to operate, low in manpower consumption, high in efficiency and capable of effectively reducing the labor cost.

The embodiment of the utility model provides a riveting set has still been provided, include: a body; according to the assembling device, the assembling device is arranged on the body; the first driving piece is arranged on the body, is connected with the sliding piece and is used for driving the sliding piece to slide between the material placing position and the locking position; the second driving piece is arranged on the body, connected with the self-locking assembly and used for driving the self-locking assembly to move.

In the riveting device comprising the assembling device, the automation of self-locking and assembling is conveniently realized by arranging the first driving piece and the second driving piece, and in the self-locking mechanism, the self-locking assembly moves to the first position and unlocks the sliding piece, so that the sliding piece slides to the material placing position, and then the first workpiece, the second workpiece and the connecting piece are placed on the supporting part of the sliding piece; then the sliding part slides to the locking position, the self-locking assembly moves to the second position and locks the sliding part, and then the first workpiece and the second workpiece are connected through the connecting part. The self-locking mechanism moves to unlock and lock the sliding part through the self-locking assembly, and is simple in structure, simple to operate, low in manpower consumption, high in efficiency and capable of effectively reducing the labor cost.

Drawings

Fig. 1 is a schematic perspective view of an assembling device including a self-locking mechanism according to an embodiment of the present invention.

FIG. 2 is a cross-sectional view of a portion of the slider of FIG. 1 taken along line II-II and illustrating the assembled configuration of the first workpiece, the second workpiece, and the connector when the slider is in the locked position.

Fig. 3 is an exploded schematic view of the self-locking assembly at III in fig. 1.

Fig. 4 is a front view of the slider of fig. 3.

Fig. 5 is an exploded schematic view of a riveting apparatus according to an embodiment of the present invention.

Description of the main elements

Self-locking mechanism 100

First workpiece 200

The receiving groove 210

Abutment ramp 220

Second workpiece 300

Connector 400

Riveting device 500

Body 510

First driver 520

Second driving member 530

Riveting punch 600

Assembly device 700

Positioning mechanism 800

Main body 10

Chute 12

Guide groove 14

Slider 20,201,202

Support part 22

Supporting ramp 24

Locking groove 26

First groove wall 262

Second groove wall 264

Self-locking assembly 30

Locking member 31

Locking portion 311

Receiving groove 312

Stop member 32

Bolt 33

First elastic member 34

First end 342

Second end 344

Position limiting member 40

Second elastic member 50

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 to simplify the description, but do not indicate or imply that the device or element 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, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

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; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. The first feature being "under," "beneath," and "under" the second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.

The following disclosure provides many different embodiments or examples for implementing different features of the invention. In order to simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or reference letters in the various examples, which have been repeated for purposes of simplicity and clarity and do not in themselves dictate a relationship between the various embodiments and/or arrangements discussed. In addition, the present disclosure provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.

In the assembling device comprising the self-locking mechanism, the self-locking mechanism is installed through the positioning mechanism, and the positioning design of the positioning mechanism can be matched with the positioning mechanism, so that the whole formed by connecting the first workpiece, the second workpiece and the connecting piece is riveted with a product or a frame body, wherein the product or the frame body is schematically glasses and AR/VR equipment. The self-locking assembly moves to a first position and unlocks the sliding piece, so that the sliding piece slides to a material placing position, and then the first workpiece, the second workpiece and the connecting piece are placed on the supporting part of the sliding piece; then the sliding part slides to the locking position, the self-locking assembly moves to the second position and locks the sliding part, and then the first workpiece and the second workpiece are connected through the connecting part. The self-locking mechanism moves to unlock and lock the sliding part through the self-locking assembly, the structure is simple, the operation is simple, the manpower is less, the efficiency is higher, and the labor cost can be effectively reduced.

In the riveting device comprising the assembling device, the automation of self-locking and assembling is conveniently realized by arranging the first driving piece and the second driving piece, and in the self-locking mechanism, the self-locking assembly moves to the first position and unlocks the sliding piece, so that the sliding piece slides to the material placing position, and then the first workpiece, the second workpiece and the connecting piece are placed on the supporting part of the sliding piece; then the sliding part slides to the locking position, the self-locking assembly moves to the second position and locks the sliding part, and then the first workpiece and the second workpiece are connected through the connecting part. The self-locking mechanism moves to unlock and lock the sliding part through the self-locking assembly, the structure is simple, the operation is simple, the manpower is less, the efficiency is higher, and the labor cost can be effectively reduced.

The embodiments of the present invention will be further described with reference to the accompanying drawings.

Referring to fig. 1 and 2, an embodiment of the present invention provides a self-locking mechanism 100, in which the self-locking mechanism 100 is used to fix a first workpiece 200, a second workpiece 300 and a connecting member 400, so that a riveting punch 600 applies an acting force to the connecting member 400 and the self-locking mechanism 100 supports the acting force, so that the connecting member 400 fixedly connects the first workpiece 200 and the second workpiece 300 together. The self-locking mechanism 100 includes a main body 10, a slider 20, and a self-locking assembly 30.

The sliding member 20 is disposed on the main body 10 and can slide between the loading position and the locking position, the sliding member 20 has a supporting portion 22, and the supporting portion 22 is used for placing the first workpiece 200, the second workpiece 300 and the connecting member 400 when the sliding member 20 slides to the loading position; the self-locking assembly 30 is movably disposed on the main body 10 and located at one side of the sliding member 20, when the self-locking assembly 30 moves to the first position, the sliding member 20 can be unlocked, so that the sliding member 20 slides to the discharging position, and when the sliding member 20 slides to the locking position, the self-locking assembly 30 can move to the second position, so that the connecting member 400 connects the first workpiece 200 and the second workpiece 300.

The implementation process of the self-locking mechanism 100 is as follows: initially, the sliding part 20 is in a locking position, and the self-locking assembly 30 is in a second position, that is, the sliding part 20 is in a locking state; firstly, the self-locking assembly 30 is moved to the first position to unlock the sliding piece 20; then the slide 20 moves to the placing position, and the first workpiece 200, the second workpiece 300 and the connecting piece 400 are placed on the supporting portion 22 of the slide 20; then the sliding part 20 moves to a locking position, and the self-locking assembly 30 moves to a second position to lock the sliding part 20; finally, a force is applied to the joint 400 by the staking punch 600 such that the joint 400 fixedly connects the first and second workpieces 200, 300 together.

The supporting portion 22 has a supporting inclined surface 24, the first workpiece 200 has a receiving groove 210, a wall of the receiving groove 210 has an abutting inclined surface 220, the receiving groove 210 of the first workpiece 200 can be sleeved on the supporting portion 22, and the abutting inclined surface 220 abuts against the supporting inclined surface 24.

In this way, the support portion 22 supports the first workpiece 200 by the support inclined surface 24 abutting against the abutting inclined surface 220 of the first workpiece 200. Wherein the angle between the inclined support surface 24 and the horizontal plane is preferably 20 to 30, thereby preventing the first workpiece 200 from sliding off the support 22. Illustratively, in this embodiment, the first workpiece 200 is an outer bracket, the second workpiece 300 is an inner bracket, and the connecting member 400 is a rivet.

Referring to fig. 3, only a portion of the self-locking assembly 30 of the self-locking mechanism 100 is shown in fig. 3, and the power and transmission structure is removed for the convenience of illustration. The main body 10 is provided with a sliding groove 12, the sliding groove 12 is a T-shaped groove, two opposite sides of the sliding member 20 protrude outwards to form a sliding block 28, and the sliding member 20 is slidably connected with the sliding groove 12 through the sliding block 28. A locking groove 26 is formed at one side of the slider 20, and a self-locking assembly 30 is inserted into or separated from the locking groove 26 to lock or unlock the slider 20. In one embodiment, the locking slot 26 opens onto a slider 28.

The self-locking assembly 30 comprises a locking member 31 and a stopping member 32, the main body 10 is further provided with a guide groove 14 extending along the vertical direction, one side of the guide groove 14 is communicated with the sliding groove 12, the locking member 31 is arranged in the guide groove 14 of the main body 10 and can move in the vertical direction, one side of the locking member 31 is provided with a locking part 311 protruding into the sliding groove 12, and the locking part 311 can move into the locking groove 26 to lock the sliding member 20 or move out of the locking groove 26 to unlock the sliding member 20 by moving the locking member 31 in the vertical direction; the stopping member 32 is disposed on the main body 10 and located on the moving path of the locking member 31 to limit the moving position of the locking member 31, and specifically, the stopping member 32 is disposed above the locking member 31. Illustratively, in the present embodiment, the stopper 32 is a blocking piece, and the stopper 32 is fixed on the main body 10 by a bolt 33 and is stopped at the notch of the guide slot 14. It is understood that the vertical direction may be a gravity direction, and other directions may be considered according to the actual requirement of the main body 10.

The self-locking assembly 30 further includes a first elastic member 34, the first elastic member 34 is disposed in the guide slot 14 of the main body 10, the first elastic member 34 has a first end 342 and a second end 344 opposite to each other, the first end 342 abuts against the locking member 31, and the second end 344 abuts against the stopper 32. Illustratively, in the present embodiment, the first elastic member 34 is a spring.

Further, the locking member 31 is provided with a receiving groove 312 at a position corresponding to the first elastic member 34, and the first end 342 of the first elastic member 34 abuts against the bottom of the receiving groove 312. In this way, the position of the first elastic member 34 can be restricted, preventing the first elastic member 34 from moving on a plane perpendicular to the vertical direction.

The self-locking mechanism 100 further includes a limiting member 40 and a second elastic member 50, the limiting member 40 is disposed on a moving path of the sliding member 20 to limit the sliding member 20 moving to the locking position, and in this embodiment, the limiting member 40 is a limiting pin; the second elastic member 50 is disposed in the main body 10, one end of the second elastic member 50 abuts against the main body 10, and the other end of the second elastic member 50 abuts against one side of the slider 20 away from the stopper 40. Illustratively, in the present embodiment, the second elastic member 50 is a spring.

It will be appreciated that in some embodiments, when the second elastic member 50 is compressed, the slider 20 is in the discharge position, and when the second elastic member 50 is relaxed or extended, the slider 20 is in the locked position. For example, referring to fig. 1, a slide 201 is in a discharge position and a slide 202 is in a locked position.

The locking groove 26 has a first groove wall 262 and a second groove wall 264 opposite to each other and abutting against the self-locking assembly 30, the first groove wall 262 is close to the position-limiting member 40 relative to the second groove wall 264, referring to fig. 4, a surface of the first groove wall 262 is an inclined surface, a surface of the second groove wall 264 is a flat surface, and an included angle between the first groove wall 262 and the second groove wall 264 is an acute angle β. Illustratively, in this embodiment, the included angle β between first slot wall 262 and second slot wall 264 is 5-10. Thus, the locking portion 311 and the locking groove 26 are in an inclined surface overpressure fit, so that the problem that the locking cannot be achieved due to the fact that fit clearance is generated due to assembly tolerance is avoided. It is understood that in other embodiments, the included angle β between the first slot wall 262 and the second slot wall 264 may be 6 ° or 8 °, but is not limited thereto.

In the self-locking mechanism 100, the self-locking assembly 30 moves to the first position and unlocks the sliding member 20, so that the sliding member 20 slides to the discharging position, and then the first workpiece 200, the second workpiece 300 and the connecting member 400 are placed on the supporting portion 22 of the sliding member 20; then the sliding member 20 is slid to the locking position, the self-locking assembly 30 is moved to the second position and locks the sliding member 20, and then the first workpiece 200 and the second workpiece 300 are connected by the connecting member 400. The utility model discloses a self-locking mechanism 100 removes with unblock and locking slider 20 through auto-lock subassembly 30, simple structure, easy operation, and used manpower is few, and efficiency is higher, can effectual reduction human cost.

Referring to fig. 1, the present invention provides an assembly device 700, including the self-locking mechanism 100 as described above; and a positioning mechanism 800 for mounting the self-locking mechanism 100.

In the assembling device 700 including the self-locking mechanism 100, the self-locking mechanism 100 is installed through the positioning mechanism 800, and the positioning design adapted by the positioning mechanism 800 facilitates riveting the whole body formed by connecting the first workpiece 200, the second workpiece 300 and the connecting piece 400 with a product or a frame, wherein the product or the frame is schematically glasses or AR/VR equipment. In the self-locking mechanism 100, the self-locking assembly 30 moves to the first position and unlocks the sliding member 20, so that the sliding member 20 slides to the discharging position, and then the first workpiece 200, the second workpiece 300 and the connecting member 400 are placed on the supporting portion 22 of the sliding member 20; then the sliding member 20 is slid to the locking position, the self-locking assembly 30 is moved to the second position and locks the sliding member 20, and then the first workpiece 200 and the second workpiece 300 are connected by the connecting member 400. The utility model discloses a self-locking mechanism 100 removes with unblock and locking slider 20 through auto-lock subassembly 30, simple structure, easy operation, and used manpower is few, and efficiency is higher, can effectual reduction human cost.

Referring to fig. 5, an embodiment of the present invention further provides a riveting apparatus 500, including a body 510, the assembling apparatus 700, a first driving member 520, and a second driving member 530, where the assembling apparatus 700 is disposed on the body 510; the first driving member 520 is disposed on the body 510 and connected to the slider 20 for driving the slider 20 to slide between the discharging position and the locking position; the second driving member 530 is disposed on the body 510 and connected to the self-locking assembly 30 for driving the self-locking assembly 30 to move. Illustratively, in this embodiment, the first driving member 520 is a cylinder and a rod, the rod is inserted into the sliding member 20 and has an inclined surface, and the cylinder drives the rod to move in a vertical direction, so that the rod drives the sliding member 20 to slide between the locking position and the releasing position through the inclined surface. The second driving member 530 is a knock pin structure, which can be inserted into the bottom of the locking member 31 and pushed by the cylinder to move in the vertical direction, so that the knock pin structure drives the locking member 31 to move between the first position and the second position, thereby unlocking or locking the sliding member 20.

The embodiment of the utility model provides an implementation does: the second driving member 530 drives the locking member 31 to move upward to the first position, so that the locking portion 311 moves out of the locking groove 26 of the slider 20 to unlock the slider 20; then the first driving element 520 drives the slide 20 to move to the discharge position, and the first workpiece 200, the second workpiece 300 and the connecting element 400 are placed on the supporting portion 22 of the slide 20; then the first driving member 520 drives the sliding member 20 to move from the discharging position to the locking position, the second driving member 530 drives the locking member 31 to move downwards to the second position, and the locking portion 311 is inserted into the locking slot 26 to lock the sliding member 20; finally, a force is applied to the joint 400 by the staking punch 600 such that the joint 400 fixedly connects the first and second workpieces 200, 300 together.

In the riveting apparatus 500 including the assembling apparatus 700, the self-locking and assembling automation is conveniently realized by providing the first driving element 520 and the second driving element 530, and in the self-locking mechanism 100, the self-locking assembly 30 moves to the first position and unlocks the slider 20, so that the slider 20 slides to the discharge position, and then the first workpiece 200, the second workpiece 300 and the connecting member 400 are placed on the supporting portion 22 of the slider 20; then the sliding member 20 is slid to the locking position, the self-locking assembly 30 is moved to the second position and locks the sliding member 20, and then the first workpiece 200 and the second workpiece 300 are connected by the connecting member 400. The self-locking mechanism 100 moves through the self-locking assembly 30 to unlock and lock the sliding part 20, and has the advantages of simple structure, simplicity in operation, less manpower, higher efficiency and capability of effectively reducing the labor cost.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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.

Claims

1. A self-locking mechanism, comprising:

a main body;

the sliding piece is arranged on the main body and can slide between a material placing position and a locking position, and the sliding piece is provided with a supporting part which is used for placing the first workpiece, the second workpiece and the connecting piece when the sliding piece slides to the material placing position; and

the self-locking assembly is movably arranged on the main body and located on one side of the sliding piece, the sliding piece can be unlocked when the self-locking assembly moves to the first position, so that the sliding piece slides to the material placing position, and the self-locking assembly can move to the second position when the sliding piece slides to the locking position so as to lock the sliding piece, so that the connecting piece is connected with the first workpiece and the second workpiece.

2. The self-locking mechanism of claim 1,

the supporting portion is provided with a supporting inclined surface, the first workpiece is provided with an accommodating groove, the groove wall of the accommodating groove is provided with a butting inclined surface, the accommodating groove of the first workpiece can be sleeved on the supporting portion, and the butting inclined surface is butted on the supporting inclined surface.

3. The self-locking mechanism of claim 1,

one side of the sliding part is provided with a locking groove, and the self-locking assembly can be inserted into or separated from the locking groove so as to lock or unlock the sliding part.

4. The self-locking mechanism of claim 3, wherein the self-locking assembly comprises:

the locking piece is arranged in the main body and used for moving into the locking groove to lock the sliding piece or moving out of the locking groove to unlock the sliding piece; and

the stopping piece is arranged on the main body and is positioned on a moving path of the locking piece so as to limit the moving position of the locking piece.

5. The self-locking mechanism of claim 4, wherein the self-locking assembly further comprises:

the first elastic piece is arranged in the main body and provided with a first end and a second end which are opposite, the first end is abutted against the locking piece, and the second end is abutted against the stopping piece.

6. The self-locking mechanism of claim 3, further comprising:

the limiting part is arranged on a moving path of the sliding part so as to limit the sliding part moving to the locking position; and

the second elastic piece is arranged in the main body, one end of the second elastic piece is abutted to the main body, and the other end of the second elastic piece is abutted to one side, far away from the limiting piece, of the sliding piece.

7. The self-locking mechanism of claim 6, wherein the locking groove has a first groove wall and a second groove wall opposite to each other and abutting against the self-locking assembly, the first groove wall is adjacent to the retainer relative to the second groove wall, a surface of the first groove wall is an inclined surface, a surface of the second groove wall is a flat surface, and an included angle between the first groove wall and the second groove wall is 5 ° to 10 °.

8. The self-locking mechanism of claim 7, wherein the body defines a slot, and wherein the sliding member includes two outwardly projecting sides defining respective sliding blocks, the sliding member being slidably coupled to the slot via the sliding blocks.

9. An assembly device, comprising:

the self-locking mechanism of any one of claims 1-8; and

and the positioning mechanism is used for installing the self-locking mechanism.

10. A riveting apparatus, comprising:

a body;

the assembly device of claim 9, said assembly device being disposed on said body;

the first driving piece is arranged on the body, is connected with the sliding piece and is used for driving the sliding piece to slide between the material placing position and the locking position; and

the second driving piece is arranged on the body, connected with the self-locking assembly and used for driving the self-locking assembly to move.