CN114309299A - Riveting device - Google Patents

Abstract

The invention discloses a riveting device, and belongs to the technical field of riveting connection. The riveting device comprises a workbench, wherein a carrier, a platform module and a riveting module are arranged on the workbench, the carrier is used for bearing the assembly part, a limiting structure is arranged on the carrier, and the limiting structures are configured to be different structures on the limiting assembly part; the platform module comprises a station platform for bearing the carrier, and the platform module can enable the assembly piece on the carrier to be located at the working position; the riveting module is provided with a plurality of riveting knives which can move towards the center from different directions in the same plane simultaneously so as to rivet and press the assembly parts positioned at the working positions. According to the riveting device, the first product and the second product are limited through the limiting structures on the carrier respectively, so that the assembly precision between the first product and the second product is improved; and riveting and pressing are performed simultaneously from multiple angles at one time, so that the working efficiency is improved, the phenomenon of deflection is avoided, and the product yield is improved.

Description

Riveting device

Technical Field

The invention relates to the technical field of riveting connection, in particular to a riveting device.

Background

In the 3C electronics industry, riveting processes are often used to improve the connection stability and increase the service life of products. For example, as shown in fig. 1, an assembly diagram of a cable 100 'and a circular part 200' is shown, a plurality of wire cores (a battery cell structure is not shown in the diagram) are arranged in the cable 100 ', and when the cable is used, the circular part 200' is generally sleeved on the head of the cable 100 '(a wire core is reserved on the head for connecting with an external structure), and the circular part 200' is pressed tightly to ensure that the inner wire core does not shake, so as to increase stability; thereafter, the compressed cable 100' is connected to an external structure, including: the wire core is welded with an external cable, and the round part 200 'is welded and assembled with the external part, so that the connection reliability of the cable 100' and an external structure is improved; after the cable 100 'is riveted and pressed by the circular part 200', the holding force of other parts can be synchronously increased, and the service life of the whole product is prolonged.

At present, the circular part 200 'is sleeved on the cable 100' through manual operation and then riveted, however, the following problems exist: firstly, as the cable 100 ' and the part have no structural limit, as shown in fig. 1, the extension distance h ' of the cable 100 ' extending out of the circular part 200 ' is not guaranteed by the feeling of the operator during assembly, i.e. the dimension h of the extension distance h ' cannot be guaranteed, so that the dimension of the cable 100 ' and the circular part 200 ' after riveting cannot be guaranteed, and the use requirement cannot be met; secondly, the common riveting process needs multiple times of riveting, so that the efficiency is low and the time cost is wasted; and the assembly and riveting are easy to cause deflection, and the product yield is low.

Disclosure of Invention

The invention aims to provide a riveting device which improves the assembly precision, improves the operation efficiency and improves the product yield.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a riveting device, includes the workstation, be provided with on the workstation:

the carrier is used for bearing an assembly part, and a limiting structure is arranged on the carrier and is configured to limit different structures on the assembly part;

the platform module comprises a station platform for bearing the carrier, and the platform module can enable the assembly parts on the carrier to be positioned at a working position;

and the riveting die set is provided with a plurality of riveting knives which can move towards the center from different directions simultaneously in the same plane so as to rivet and press the assembly piece positioned at the working position.

Optionally, the carrier includes a first mounting substrate, the first mounting substrate can be fixed to the station platform, a mounting table is arranged on the first mounting substrate, and the limiting structure includes:

the first positioning jig is fixedly arranged at one end of the mounting table and used for bearing a first product, and the first product can extend out of the first positioning jig along a first direction for a first distance;

the periphery of the first product is clamped between the pressing plate and the mounting table;

the second positioning jig is fixedly arranged at the other end of the mounting table, the distance from one end of the second positioning jig, which deviates from the first positioning jig, to one end of the first positioning jig, which is close to the second positioning jig, is a second distance, a first limiting groove is formed in one end of the second positioning jig, which deviates from the mounting table, when a second product is sleeved on the first product, an extending structure, which is circumferentially arranged, of the second product can abut against the bottom of the first limiting groove, and the end face of a circular ring structure, which is sleeved on the first product, of the second product is a third distance from the extending structure; a plurality of avoiding grooves are formed in the circumferential direction of the second positioning jig, and the riveting knife can penetrate through the avoiding grooves to rivet and press the assembly parts.

Optionally, the carrier further includes an auxiliary fixture detachably connected to the first positioning fixture, the auxiliary fixture includes a second limiting groove and a third limiting groove that are communicated with each other, the second limiting groove is configured to limit the first positioning fixture in the first direction, and the third limiting groove is configured to limit the first product in the first direction, so that the first product extends out of the first positioning fixture along the first direction by the first distance.

Optionally, the station platform includes a second mounting substrate, the carrier is detachably connected to the second mounting substrate, and the second mounting substrate is provided with:

a first clamping assembly for clamping the carrier on the second mounting substrate along a first direction;

a second clamping assembly for clamping the carrier on the second mounting substrate along a second direction;

and the third clamping assembly is used for clamping the extending structure on the groove bottom of the first limiting groove along the second direction.

Optionally, the second positioning fixture extends out of the first mounting substrate along the first direction;

the first clamping assembly comprises a first stop block and a first clamping mechanism which are fixedly arranged on the second mounting substrate respectively, and two ends of the first mounting substrate along the first direction can be clamped between the output end of the first clamping mechanism and the first stop block;

the second clamping assembly comprises a second stop block and a second clamping mechanism which are fixedly arranged on two sides of the second mounting substrate respectively, and two ends of the first mounting substrate along the second direction can be clamped between the output end of the second clamping mechanism and the second stop block;

the third clamping assembly comprises a bearing part extending out of one end of the second mounting substrate along the first direction and a third stop block arranged on the bearing part, and the third stop block abuts against the extending structure.

Optionally, the platform module further includes a first moving mechanism, the station platform is disposed at an output end of the first moving mechanism, and the first moving mechanism can drive the station platform and drive the carrier to move to the working position along a first direction.

Optionally, the platform module still include the second moving mechanism with set up in at least two of second moving mechanism output first moving mechanism, the stiff end of second moving mechanism is fixed in on the workstation, the second moving mechanism can drive at least two first moving mechanism reaches workstation platform on the first moving mechanism moves along the second direction, the second moving mechanism can make workstation platform moves to preset position along the second direction, first moving mechanism will again preset position workstation platform is followed first direction aversion extremely the workstation.

Optionally, the riveting die set includes:

the frame body is fixed on the workbench, and the riveting knives are arranged on the frame body in a sliding manner;

the driving assembly can drive the riveting knife to move along a preset direction.

Optionally, the frame body includes a first fixing plate and a second fixing plate fixedly connected to each other, the riveting tool is slidably connected to the second fixing plate, and the driving assembly includes:

the fixed end of the power source is fixed on the first fixing plate;

the power source drives the sliding plate to move towards or away from the platform module, and the guide block can drive the riveting knife to move towards or away from the center through the guide inclination angle.

Optionally, the spigot surface of guide block includes high face position, inclined plane and the low position that connects gradually, the riveting module still includes:

the moving assembly is connected to the second fixing plate in a sliding mode, one end of the moving assembly is connected with the riveting knife, and the other end of the moving assembly can abut against the guide surface of the guide block;

one end of the elastic piece is connected with the moving assembly, and the other end of the elastic piece is fixed on the second fixing plate;

the guide block is used for driving the moving assembly and the riveting knife to move towards the center line direction, and the elastic piece is used for driving the moving assembly and the riveting knife to reset in the direction away from the center.

The invention has the beneficial effects that:

when the riveting device is used, a first product is firstly installed on a carrier, a second product is sleeved on the first product, and the first product and the second product are respectively limited by a limiting structure on the carrier, so that the assembly precision between the first product and the second product is improved, and the dependence on the operation proficiency of an operator is reduced; the station platform can enable the carrier carried by the station platform to be located at a working position, and then riveting the assembly parts located on the working position through a plurality of riveting knives on the riveting module; riveting is performed simultaneously from multiple angles at one time, so that the riveting times are reduced, and the working efficiency is improved; the station platform is mutually matched with the riveting module, the operation precision of the assembly part along the axial riveting position is improved, the deviation is avoided, and the riveting is carried out at a plurality of angles simultaneously, so that the stress of each position of the circumferential direction of the assembly part is uniform, the deviation is avoided, and the product yield is improved.

Drawings

FIG. 1 is a schematic view of a prior art assembly of a cable and a circular component;

FIG. 2 is an exploded view of a first product and a second product provided by an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a riveting device according to an embodiment of the invention;

fig. 4 is a partial side view of a carrier according to an embodiment of the present invention;

FIG. 5 is an enlarged view at A of FIG. 4;

fig. 6 is a partial front view of a carrier according to an embodiment of the present invention;

FIG. 7 is an enlarged view at B of FIG. 6;

FIG. 8 is a front view of a second product provided by an embodiment of the present invention;

fig. 9 is a schematic structural diagram of an auxiliary fixture according to an embodiment of the present invention;

FIG. 10 is a schematic diagram of a workstation platform according to an embodiment of the present invention;

FIG. 11 is a block diagram of a platform module according to an embodiment of the present invention;

FIG. 12 is a schematic view of a rivet press module with a housing removed according to an embodiment of the present invention;

fig. 13 is a schematic structural view of a riveting module according to an embodiment of the present invention, with a portion of a housing removed;

fig. 14 is an enlarged view at C of fig. 13.

In the figure:

100', a cable; 200', a round part; h', extension distance;

100. a first product; 200. a second product; 201. a circular ring structure; 202. a protruding structure; 203. a limiting bulge;

1. a carrier; 11. a first mounting substrate; 111. an installation table; 112. an L-shaped limiting block; 121. a first positioning jig; 1211. a splint; 1212. a base plate; 122. pressing a plate; 123. a second positioning jig; 1231. a first limit groove; 1232. an avoidance groove; 13. an auxiliary jig; 131. a second limit groove; 132. a third limiting groove;

2. a platform module; 21. a station platform; 211. a second mounting substrate; 212. a first clamping assembly; 2121. a first stopper; 2122. a first clamping mechanism; 213. a second clamping assembly; 2131. a second stopper; 2132. a second clamping mechanism; 214. a third clamping assembly; 2141. a third stopper; 2142. a bearing part; 22. a first moving mechanism; 221. a first cylinder; 222. a first guide mechanism; 23. a second moving mechanism; 231. a second cylinder; 232. a second guide mechanism; 24. connecting blocks;

3. riveting the die set; 31. riveting and pressing a cutter; 32. a frame body; 321. a first fixing plate; 322. a second fixing plate; 323. a housing; 33. a drive assembly; 331. a power source; 332. a sliding plate; 333. a guide block; 3331. a high-side position; 3332. a low-profile position; 3333. an inclined surface; 34. a moving assembly; 341. moving the plate; 342. a bearing; 343. a micrometer; 35. a spring;

4. a work table;

h1, first distance; h2, second distance; h3, third distance; h. the protrusion distance.

Detailed Description

In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; 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.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. 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. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

As shown in fig. 2, which is an exploded view of a first product 100 and a second product 200, the second product 200 can be sleeved on the first product 100 to form an assembly, in order to rivet the head of the assembly, the embodiment provides a riveting device, which includes a worktable 4, and as shown in fig. 3, a carrier 1, a platform module 2 and a riveting module 3 are disposed on the worktable 4; specifically, the carrier 1 is used for bearing an assembly part, a limiting structure is arranged on the carrier 1, and the limiting structure is configured to be different structures on the limiting assembly part; the platform module 2 comprises a station platform 21 for bearing the carrier 1, and the platform module 2 can enable an assembly part on the carrier 1 to be located at a working position; the riveting module 3 has a plurality of riveting knives 31, and the plurality of riveting knives 31 can move towards the center from different directions simultaneously in the same plane to rivet the assembly member located at the working position.

When the riveting device is used, the first product 100 is firstly installed on the carrier 1, the second product 200 is sleeved on the first product 100, and the first product 100 and the second product 200 are respectively limited by the limiting structures on the carrier 1, so that the assembly precision between the first product 100 and the second product 200 is improved, and the dependence on the operation proficiency of operators is reduced; the station platform 21 can enable the carrier 1 carried by the station platform to be located at a working position, and then riveting the assembly parts located on the working position simultaneously through a plurality of riveting knives 31 on the riveting module 3; riveting is performed simultaneously from multiple angles at one time, so that the riveting times are reduced, and the working efficiency is improved; station platform 21 and riveting module 3 mutually support, have improved the operation precision to the subassembly along axial riveting position, avoid taking place the incline, and a plurality of angles are riveting simultaneously, make the atress of each position of subassembly circumference even, avoid taking place crooked to the product yield has been improved. After the riveting, the assembly is taken out from the carrier 1, and the next assembly is riveted. In this embodiment, the first direction is an x direction, the second direction is a y direction, the third direction is z, z is a vertical direction, the first direction is perpendicular to the second direction, and both the first direction and the second direction are perpendicular to the third direction.

In this embodiment, the first product 100 and the second product 200 may be a cable and a circular part, respectively, and the circular part and the cable are riveted after the circular part is sleeved on the cable, so as to ensure that the inner wire core does not shake, and improve the structural stability; in other embodiments, the first product 100 and the second product 200 may also be other similar structural parts in the 3C electronics industry, and a riveting process needs to be performed after installation, specifically, the riveting device adjusts the corresponding size according to the size of the first product 100 and the second product 200, adjusts the number of the riveting knives 31, and the like, without limitation.

In order to meet the assembly accuracy of the first product 100 and the second product 200, optionally, as shown in fig. 4 to 8, the carrier 1 includes a first mounting substrate 11, the first mounting substrate 11 can be fixed on the station platform 21, a mounting table 111 is disposed on the first mounting substrate 11, the limiting structure includes a first positioning jig 121 and a second positioning jig 123 that are mounted on two sides of the mounting table 111 along a first direction, the first positioning jig 121 is used for axially limiting the first product 100, the second positioning jig 123 is used for axially limiting the second product 200, wherein center lines of the first product 100 and the second product 200 are disposed along the first direction; the mounting table 111 ensures the mounting accuracy of the first positioning jig 121 and the second positioning jig 123 along the axial direction, the mounting accuracy of the first product 100 and the first positioning jig 121, and the mounting accuracy of the second product 200 and the second positioning jig 123, so that the mounting accuracy of the first product 100 and the second product 200 along the axial direction is ensured. Specifically, the following are:

in this embodiment, referring to fig. 2 and 8, the second product 200 includes a circular ring structure 201 and a protruding structure 202 disposed on the periphery of the circular ring structure 201, the distance between the bottom of the protruding structure 202 and the top of the circular ring structure 201 is set to be a third distance H3, and the third distance H3 is guaranteed to be a fixed value during the production process.

As shown in fig. 4 and 6, the first positioning fixture 121 is fixedly disposed at one end of the mounting table 111, the first positioning fixture 121 is used for bearing the first product 100, the first product 100 can extend out of the first positioning fixture 121 along the first direction by a first distance H1, the first distance H1 is a fixed value, and the first product 100 is axially positioned by the first positioning fixture 121.

Referring to fig. 4 and 6, the second positioning jig 123 is fixedly disposed at the other end of the mounting table 111, and the first positioning jig 121 and the second positioning jig 123 are positioned along the first direction by the mounting table 111, so that the accuracy of the positioning reference of the first product 100 and the second product 200 is ensured, and the assembly accuracy of the first product 100 and the second product 200 is improved.

As shown in fig. 6, a distance between one end of the second positioning fixture 123 departing from the first positioning fixture 121 and one end of the first positioning fixture 121 close to the second positioning fixture 123 is a second distance H2; as shown in fig. 5, one end of the second positioning fixture 123 away from the mounting table 111 has a first limiting groove 1231, and when the first product 100 is sleeved with the second product 200, the extending structure 202 of the second product 200 disposed along the circumferential direction can abut against the groove bottom of the first limiting groove 1231.

By calculating: first distance H1- (second distance H2-third distance H3) being protrusion distance H; by ensuring that the first distance H1, the second distance H2 and the third distance H3 are respectively constant, the extension distance H is ensured to be constant, the assembly precision is improved, and the assembly size of the first product 100 and the second product 200 is ensured. In the present embodiment, the projecting distance H is required to be 0.32mm, wherein the first distance H1 is 37mm, the second distance H2 is 37.03mm, and the third distance H3 is 0.35mm, and 37- (37.03-0.35) ═ 0.32 is calculated.

Specifically, as shown in fig. 5, a plurality of avoiding grooves 1232 are formed in the circumferential direction of the second positioning fixture 123, and the riveting knife 31 can penetrate through the avoiding grooves 1232 to rivet and press the assembly member. In this embodiment, the four riveting knives 31 simultaneously rivet and press the assembly member, so that the avoidance grooves 1232 are respectively formed around the second positioning fixture 123. Further, as shown in fig. 2 and 5, the periphery of the ring structure 201 of the second product 200 is provided with a limiting protrusion 203, and during riveting, the riveting knife 31 is riveted between two adjacent limiting protrusions 203, so that the circumferential riveting precision is improved; specifically, the position between the two limit protrusions 203 is adjusted to the avoidance groove 1232.

Optionally, the limiting structure further includes a pressing plate 122, and the periphery of the first product 100 is clamped between the pressing plate 122 and the mounting table 111, so that circumferential positioning of the first product 100 is achieved.

Further, the mounting block and the first mounting substrate 11 may be an integral structure or a separate structure, and the first positioning fixture 121 and the second positioning fixture 123 may be an integral structure or a separate structure with the first mounting substrate 11, respectively, and may be arranged according to actual conditions.

In this embodiment, the first positioning jig 121 and the second positioning jig 123 are respectively separate from the first mounting substrate 11. Optionally, as shown in fig. 9, the carrier 1 further includes an auxiliary fixture 13 detachably connected to the first positioning fixture 121, the auxiliary fixture 13 includes a second limiting groove 131 and a third limiting groove 132 that are communicated with each other, the second limiting groove 131 is configured to limit the first positioning fixture 121 in the first direction, and the third limiting groove 132 is configured to limit the first product 100 in the first direction, so that the first product 100 extends out of the first positioning fixture 121 by a first distance H1 along the first direction. When the positioning device is used, the first positioning jig 121 is firstly installed on the second limiting groove 131, then the first product 100 is installed on the first positioning jig 121, the first product 100 is limited in the third limiting groove 132, the distance that the first product 100 extends out of the first positioning jig 121 is the first distance H1, the assembling precision is guaranteed, and the use is more convenient; after the first product 100 is loaded into the first positioning jig 121, the first positioning jig 121 is taken out of the auxiliary jig 13 and mounted on the first mounting substrate 11 or the mounting block.

In this embodiment, the first positioning fixture 121 includes a bottom plate 1212 and a clamping plate 1211, one end of the bottom plate 1212 is hinged to the clamping plate 1211, and the other end of the bottom plate 1212 is detachably connected to the clamping plate 1211, so that the first product 100 or the assembly member can be conveniently loaded and unloaded. Similarly, one end of the pressing plate 122 is hinged to the mounting block, and the other end is detachably connected with the mounting block; the above structures can be referred to the prior art and are not described in detail.

In this embodiment, the first mounting substrate 11 is further provided with an L-shaped limiting block 112, the L-shaped limiting block 112 and the mounting platform 111 form a groove, one edge of the L-shaped limiting block 112 and the mounting platform 111 are used for limiting two sides of the first positioning fixture 121 in the first direction, and the other edge of the L-shaped limiting block 112 is used for limiting one side of the first positioning fixture 121 in the second direction.

Optionally, the station platform 21 includes a second mounting substrate 211, and in order to facilitate the mounting of the assembly member on the carrier 1, the carrier 1 is detachably connected to the second mounting substrate 211, the assembly member is mounted on the carrier 1, and then the carrier 1 is mounted on the work platform; further, as shown in fig. 10, the second mounting substrate 211 is provided with a first clamping assembly 212 and a second clamping assembly 213, the first clamping assembly 212 is used for clamping the carrier 1 on the second mounting substrate 211 along the first direction; the second clamping assembly 213 is used for clamping the carrier 1 on the second mounting substrate 211 along the second direction, so that the carrier 1 is clamped on the second mounting substrate 211 along the first direction and the second direction respectively, and the connection reliability is improved. Further optionally, a third clamping component 214 is further disposed on the second mounting substrate 211, and is configured to clamp the protruding structure 202 to the bottom of the first limiting groove 1231 along the second direction, so as to press the protruding structure 202 against the first limiting groove 1231, and prevent the protruding structure 202 from deforming due to riveting stress during riveting.

Specifically, the second positioning jig 123 extends out of the first mounting substrate 11 along the first direction, so as to facilitate four-direction riveting; specifically, the first clamping assembly 212 includes a first stopper 2121 and a first clamping mechanism 2122 fixedly disposed on the second mounting substrate 211, respectively, and both ends of the first mounting substrate 11 in the first direction can be clamped between an output end of the first clamping mechanism 2122 and the first stopper 2121; more specifically, the first clamping mechanism 2122 includes an air cylinder or other linear driving mechanism, which is described by taking the air cylinder as an example, an output end of the air cylinder is connected to one end of a baffle, the other end of the baffle is rotatably connected to the second mounting substrate 211, a piston rod of the air cylinder extends to make the baffle parallel to the first stopper 2121, the carrier 1 is released, the piston rod retracts to make the rotating end of the baffle abut against the carrier 1, so as to achieve clamping, in other embodiments, the first clamping mechanism 2122 may also be a push plate, and the carrier 1 is moved forward and released backward, without limitation. Specifically, the air cylinder may be disposed at a bottom side of the second mounting substrate 211 to reduce a space occupied in the first direction. Specifically, when the first product 100 is a cable, the end of the cable extends out of a section of wire core for connecting with the outside, and therefore, the first stopper 2121 is provided with a clearance groove for accommodating the wire core.

Similarly, specifically, the second clamping assembly 213 includes a second stopper 2131 and a second clamping mechanism 2132 fixedly disposed on two sides of the second mounting substrate 211, respectively, and two ends of the first mounting substrate 11 along the second direction can be clamped between the output end of the second clamping mechanism 2132 and the second stopper 2131. Similarly, the second clamping mechanism 2132 includes a cylinder or other linear driving mechanisms, the cylinder is exemplified by the cylinder, the output end of the cylinder is connected with a baffle, the baffle can move along the linear direction, and can also rotate to clamp or loosen the carrier 1, which is not described again.

Specifically, the third clamping assembly 214 includes a bearing portion 2142 extending out of one end of the second mounting substrate 211 along the first direction and a third block 2141 disposed on the bearing portion 2142, the third block 2141 abuts against the extending structure 202, the bearing portion 2142 and the third block 2141 can be connected by a fastener, and the size and shape of the third block 2141 can be adaptively adjusted according to the extending structure 202 of the second product 200, so as to ensure that the extending structure 202 is clamped between the third block 2141 and the bottom of the first limiting groove 1231. The carrier 2142 and the first mounting substrate 11 may be an integral structure or a separate structure.

Further optionally, as shown in fig. 11, the platform module 2 further includes a first moving mechanism 22, the station platform 21 is disposed at an output end of the first moving mechanism 22, the first moving mechanism 22 can drive the station platform 21 and drive the carrier 1 to move to the working position along the first direction, in an initial state, the station platform 21 and the riveting module 3 have an interval along the first direction, so as to leave an operation space for assembling the carrier 1 and the like, which is convenient for operation, and after installation, the station platform moves to the working position along the first direction. Alternatively, the first moving mechanism 22 includes a first cylinder 221 and a first guiding mechanism 222, the first cylinder 221 serves as a power source to drive the station platform 21 to move back and forth along the first direction, specifically, the first cylinder 221 may be another linear driving structure, and the first guiding mechanism 222 may be a guide rail slider mechanism or the like, without limitation. Specifically, the first cylinder 221 is connected to the second mounting substrate 211 through the connection block 24. Through setting up first cylinder 221, realize the reciprocating motion between initial position and the work position, simple structure is convenient for realize.

Specifically, a limiting block is arranged on the first guide mechanism 222, a buffer is arranged on the station platform 21, the limiting block is used for limiting the working platform along the first direction, and the buffer can prevent structural impact.

Optionally, referring to fig. 11, the platform module 2 further includes a second moving mechanism 23 and at least two first moving mechanisms 22 disposed at an output end of the second moving mechanism 23, a fixed end of the second moving mechanism 23 is fixed on the working table 4, the second moving mechanism 23 can drive the at least two first moving mechanisms 22 and the station platform 21 on the first moving mechanism 22 to move along the second direction, the second moving mechanism 23 can move the station platform 21 to the preset position along the second direction, and the first moving mechanism 22 further moves the station platform 21 at the preset position to the working position along the first direction.

In the embodiment, two station platforms 21 are provided as an example, a position where a first station platform 21 faces a riveting module 3 along a first direction is taken as an initial position, a second station platform 21 is located on the left side of the first station platform 21, when the riveting module is used, a first carrier 1 is mounted on the second station platform 21 after being mounted with an assembly part, and a start button is pressed to enable a first moving mechanism 22 to align the second station platform 21 with the riveting module 3, so that the first station platform 21 moves rightwards at the same time; then, the second moving mechanism 23 is started, the assembly is riveted through the riveting die set 3, and in the process, the other carrier 1 provided with the assembly is arranged on the first station platform 21; after the assembly part on the second station platform 21 is riveted, starting a button to enable the first station platform 21 to be opposite to the riveting module 3, enabling the second station platform to move leftwards simultaneously, riveting the assembly part on the first station platform 21, detaching the carrier 1 on the second station platform 21, taking down the assembly part, installing another assembly part, and installing the carrier 1 on the second station platform 21 again; then pressing a start button again to enter the next cycle, and repeating the steps; by increasing the number of the station platforms 21, the working efficiency is improved.

Specifically, the second moving mechanism 23 includes a second cylinder 231 and a second guiding mechanism 232, the two station platforms 21 are mounted on the second guiding mechanism 232 along the second direction, the second cylinder 231 can realize that the two station platforms 21 are respectively located at the working positions, the structure is simple, and the implementation is convenient.

In the same way, specifically, the second guiding mechanism 232 is provided with a limiting structure, so that the first moving mechanism 22 is limited along the second direction, the structural reliability is improved, and the specific limiting structure can be set according to actual conditions, and is not repeated.

Optionally, as shown in fig. 12, the riveting module 3 includes a frame body 32 and a driving assembly 33, where the frame body 32 is fixed on the workbench 4, the plurality of riveting knives 31 are slidably disposed on the frame body 32, so as to fix positions of the riveting knives 31, and the frame body 32 and the second displacement mechanism are respectively fixed on the workbench 4, so as to ensure that relative positions are fixed; the driving assembly 33 can drive the riveting knife 31 to move along a preset direction, so as to realize riveting. Specifically, a plurality of sets of driving assemblies 33 may be provided, and the plurality of sets of driving assemblies 33 respectively drive the riveting knife 31 for riveting, so that the riveting tool is convenient to use, but has a complex structure and higher cost.

In this embodiment, the frame body 32 includes a first fixing plate 321 and a second fixing plate 322 fixedly connected to each other, the rivet pressing knife 31 is slidably connected to the second fixing plate 322, the driving assembly 33 includes a power source 331 and a sliding plate 332, and a fixed end of the power source 331 is fixed to the first fixing plate 321; the sliding plate 332 is fixedly connected to the output end of the power source 331 and is slidably connected to the first fixing plate 321, the sliding plate 332 is provided with a guide block 333 with a guide inclination angle, when the power source 331 drives the sliding plate 332 to move towards or away from the platform module 2, the guide block 333 can drive the riveting knives 31 to move towards or away from the center through the guide inclination angle, one power source 331 drives a plurality of riveting knives 31 simultaneously, the number of the used power sources 331 is reduced, the simultaneous action of a plurality of riveting knives 31 can be guaranteed, and the use is more reliable.

Specifically, as shown in fig. 13 and 14, the guide surface of the guide block 333 includes a high surface position 3331, an inclined surface 3333, and a low surface position 3332, which are sequentially connected, the riveting module 3 further includes a moving component 34 and an elastic member, specifically, the moving component 34 is slidably connected to the second fixing plate 322, one end of the moving component 34 is connected to the riveting knife 31, and the other end of the moving component is abutted against the guide surface of the guide block 333; one end of the elastic element is connected to the moving assembly 34, and the other end is fixed to the second fixing plate 322; the guide block 333 is used for driving the moving component 34 and the riveting knife 31 to move towards the center direction, and the elastic component is used for driving the moving component 34 and the riveting knife 31 to reset away from the center direction.

In this embodiment, the guide block 333 is provided with a high surface position 3331, an inclined surface 3333, and a low surface position 3332 in this order along the first direction, when the guide block 333 moves forward and backward, the high surface position 3331, the inclined surface 3333, and the low surface position 3332 are respectively located at the working positions, when the outer shape of the guide surface of the guide block 333 is switched from the high surface position 3331 to the low surface position 3332, the moving unit 34 is driven to move the caulking blade 31 toward the center to perform caulking, when the guide surface is switched from the low surface position 3332 to the high surface position 3331, the moving unit 34 drives the caulking blade 31 to move away from the center, the caulking blade 31 can be stably located at the caulking position to perform caulking by setting the low surface position 3332, the high surface position 3331 is set to prevent the moving unit 34 from slipping, and the inclined surface 3333 is set to smoothly slide the moving unit 34.

The elastic element can make the moving component 34 automatically reset, so that when the assembly part is located at the working position, the riveting knife 31 moves towards the center for riveting. In this embodiment, as shown in fig. 14, the elastic member is a spring 35, and two springs 35 are disposed on two sides of the moving assembly 34. When the low position 3332 is at the working position, the moving component 34 abuts against the low position 3332, the spring 35 is stretched, and when the high position 3331 is at the working position, the spring 35 is reset to drive the moving component 34 to abut against the high position 3331.

The moving assembly 34 comprises a moving plate 341, and the moving plate 341 is connected with the riveting knife 31 through a fastener; furthermore, the moving plate 341 is rotatably connected with a bearing 342, and is connected with the guide surface through the bearing 342 in a rolling manner, so that the friction force between the moving assembly 34 and the guide surface can be reduced; further, the micrometer 343 is further provided on the moving plate 341, and the mounting position of the riveting knife 31 on the moving plate 341 can be adjusted according to the sizes of different assemblies, thereby improving the applicability. Specifically, the moving plate 341 may be coupled to the second fixing plate 322 by a rail slider mechanism.

Optionally, the frame 32 is further provided with a housing 323 for protecting the structures of the driving assembly 33, and the like, which is not described again.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. The riveting device is characterized by comprising a workbench (4), wherein the workbench (4) is provided with:

the carrier (1) is used for bearing an assembly part, and a limiting structure is arranged on the carrier (1) and is configured to limit different structures on the assembly part;

a platform module (2) comprising a station platform (21) for carrying the carrier (1), the platform module (2) being capable of positioning the assembly on the carrier (1) in a work position;

and the riveting die set (3) is provided with a plurality of riveting knives (31), and the riveting knives (31) can move towards the center from different directions simultaneously in the same plane so as to rivet and press the assembly piece positioned at the working position.

2. The riveting device according to claim 1, wherein the carrier (1) comprises a first mounting substrate (11), the first mounting substrate (11) can be fixed on the station platform (21), a mounting table (111) is arranged on the first mounting substrate (11), and the limiting structure comprises:

the first positioning jig (121) is fixedly arranged at one end of the mounting table (111), the first positioning jig (121) is used for bearing a first product (100), and the first product (100) can extend out of the first positioning jig (121) along a first direction by a first distance (H1);

a platen (122) with an outer periphery of the first product (100) sandwiched between the platen (122) and the mounting table (111);

the second positioning jig (123) is fixedly arranged at the other end of the mounting table (111), the distance from one end, deviating from the first positioning jig (121), of the second positioning jig (123) to one end, close to the second positioning jig (123), of the first positioning jig (121) is a second distance (H2), one end, deviating from the mounting table (111), of the second positioning jig (123) is provided with a first limiting groove (1231), when the first product (100) is sleeved with the second product (200), the extending structure (202) arranged along the circumferential direction of the second product (200) can abut against the groove bottom of the first limiting groove (1231), and the end face, sleeved on the first product (100), of the circular ring structure (201) of the second product (200) and the extending structure (202) are at a third distance (H3); a plurality of avoiding grooves (1232) are formed in the circumferential direction of the second positioning jig (123), and the riveting knife (31) can penetrate through the avoiding grooves (1232) to rivet and press the assembly part.

3. The riveting device according to claim 2, wherein the carrier (1) further comprises an auxiliary fixture (13) detachably connected to the first positioning fixture (121), the auxiliary fixture (13) comprises a second limiting groove (131) and a third limiting groove (132) that are communicated with each other, the second limiting groove (131) is configured to limit the first positioning fixture (121) in the first direction, and the third limiting groove (132) is configured to limit the first product (100) in the first direction, so that the first product (100) extends out of the first positioning fixture (121) by the first distance (H1) in the first direction.

4. The riveting and pressing device according to claim 2, wherein the station platform (21) comprises a second mounting substrate (211), the carrier (1) is detachably connected with the second mounting substrate (211), and the second mounting substrate (211) is provided with:

a first clamping assembly (212) for clamping the carrier (1) on the second mounting substrate (211) in the first direction;

a second clamping assembly (213) for clamping the carrier (1) on the second mounting substrate (211) in a second direction;

a third clamping assembly (214) for clamping the protruding structure (202) to the bottom of the first retaining groove (1231) along the second direction.

5. The riveting device according to claim 4, wherein the second positioning jig (123) protrudes from the first mounting substrate (11) along the first direction;

the first clamping assembly (212) comprises a first stop block (2121) and a first clamping mechanism (2122) which are fixedly arranged on the second mounting substrate (211), and two ends of the first mounting substrate (11) along the first direction can be clamped between an output end of the first clamping mechanism (2122) and the first stop block (2121);

the second clamping assembly (213) comprises a second stop block (2131) and a second clamping mechanism (2132) which are fixedly arranged on two sides of the second mounting substrate (211), and two ends of the first mounting substrate (11) along the second direction can be clamped between the output end of the second clamping mechanism (2132) and the second stop block (2131);

the third clamping assembly (214) comprises a bearing portion (2142) extending out of one end of the second mounting substrate (211) along the first direction and a third stopper (2141) arranged on the bearing portion (2142), and the third stopper (2141) abuts against the extending structure (202).

6. The riveting press device according to claim 1, wherein the platform module (2) further comprises a first moving mechanism (22), the station platform (21) is disposed at an output end of the first moving mechanism (22), and the first moving mechanism (22) can drive the station platform (21) and drive the carrier (1) to move to the working position along a first direction.

7. The riveting device according to claim 6, wherein the platform module (2) comprises a second moving mechanism (23) and at least two first moving mechanisms (22) arranged at the output end of the second moving mechanism (23), the fixed end of the second moving mechanism (23) is fixed on the workbench (4), the second moving mechanism (23) can drive at least two first moving mechanisms (22) and the station platform (21) on the first moving mechanisms (22) to move along a second direction, the second moving mechanism (23) can move the station platform (21) to a preset position along the second direction, and the first moving mechanism (22) can further move the station platform (21) in the preset position to the working position along the first direction.

8. Riveting apparatus according to any one of claims 1-7, characterized in that the riveting die set (3) comprises:

the frame body (32) is fixed on the workbench (4), and the riveting knives (31) are arranged on the frame body (32) in a sliding manner;

and the driving assembly (33) can drive the riveting knife (31) to move along a preset direction.

9. The riveting device according to claim 8, wherein the frame body (32) comprises a first fixing plate (321) and a second fixing plate (322) fixedly connected with each other, the riveting knife (31) is slidably connected to the second fixing plate (322), and the driving assembly (33) comprises:

a power source (331) having a fixed end fixed to the first fixing plate (321);

the sliding plate (332) is fixedly connected to the output end of the power source (331) and is slidably connected to the first fixing plate (321), a guide block (333) with a guide inclination angle is arranged on the sliding plate (332), and when the power source (331) drives the sliding plate (332) to move towards or away from the platform module (2), the guide block (333) can drive the riveting knife (31) to move towards or away from the center through the guide inclination angle.

10. The riveting apparatus according to claim 9, wherein the guide surface of the guide block (333) comprises a high surface position (3331), an inclined surface (3333) and a low surface position (3332) which are connected in sequence, and the riveting module (3) further comprises:

a moving assembly (34) slidably connected to the second fixing plate (322), wherein one end of the moving assembly (34) is connected to the riveting knife (31), and the other end of the moving assembly can abut against the guide surface of the guide block (333);

one end of the elastic piece is connected with the moving assembly (34), and the other end of the elastic piece is fixed on the second fixing plate (322);

the guide block (333) is used for driving the moving assembly (34) and the riveting knife (31) to move towards the midline direction, and the elastic piece is used for driving the moving assembly (34) and the riveting knife (31) to reset from the center direction.

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