CN218015307U

CN218015307U - Non-consumable riveting gun

Info

Publication number: CN218015307U
Application number: CN202222102583.1U
Authority: CN
Inventors: 任博闻; 任志法; 安平升
Original assignee: Qingdao Eurasian Automation Equipment Co ltd
Current assignee: Qingdao Eurasian Automation Equipment Co ltd
Priority date: 2022-08-10
Filing date: 2022-08-10
Publication date: 2022-12-13
Anticipated expiration: 2032-08-10

Abstract

The application relates to a riveting gun without consumable materials, which belongs to the field of riveting equipment and comprises a gun body, a riveting head and a riveting head, wherein the gun body is provided with a riveting groove for placing a workpiece to be riveted; the riveting claw can move back and forth close to or far away from the riveting groove and tends to punch a plurality of workpieces when moving towards the riveting groove, a bent part is formed at the part of the workpiece corresponding to the punched part, and the bent part is positioned at one side of the workpiece far away from the sliding block; the riveting block is arranged on one side, away from the riveting claw, of the gun body corresponding to the riveting groove and the workpiece, the riveting claw enables the workpiece to form a bent portion, the riveting block moves towards the workpiece and extrudes the bent portion of the workpiece, and the bent portions of the workpieces are folded together through the riveting block. The rivet is consumed to increase the cost of enterprises and the condition that the rivet is perforated again to reduce the production efficiency when riveting is improved.

Description

Non-consumable riveting gun

Technical Field

The application relates to the field of riveting equipment, in particular to a consumable-free riveting gun.

Background

The riveting is a connection mode of riveting two workpieces together by utilizing the deformation of a rivet, and the processing technology is commonly called press riveting and is mainly used for the connection processing between two plates. The riveting method comprises the steps of punching two workpieces, aligning hole positions of the two workpieces, enabling a rivet to penetrate through holes of the two workpieces, extruding and deforming the rivet by using a riveting machine, and enabling the deformed rivet to abut against one side, far away from each other, of the two workpieces so as to realize riveting of the two workpieces.

According to the related technology, a certain amount of rivets are consumed in the riveting process, the enterprise processing cost is improved, the workpiece needs to be punched in advance, then the rivets are arranged in the holes in a penetrating mode, the processing technology is complex, and the improvement of the production efficiency is not facilitated.

SUMMERY OF THE UTILITY MODEL

In order to consume the rivet and increase the cost of enterprise and pierce through the condition of establishing the rivet reduction production efficiency again in advance when improving the riveting, this application provides a no consumptive material riveting gun.

The application provides a no consumptive material riveting rifle adopts following technical scheme:

a consumable-free riveter comprising:

the gun body is provided with a riveting groove for placing a workpiece to be riveted;

the riveting claw can move back and forth close to or far away from the riveting groove and press a plurality of workpieces when moving towards the riveting groove, a bent part is formed at the part of the workpiece corresponding to the pressed part, and the bent part is positioned at one side of the workpiece far away from the sliding block;

and the riveting block is arranged on one side of the gun body, which corresponds to the riveting groove and is far away from the riveting claw, and after the riveting claw enables the workpiece to form a bent part, the riveting block moves towards the workpiece and extrudes the bent part of the workpiece.

By adopting the scheme, when the riveting claw punches the workpiece out of the through hole under the pushing of the driving assembly, the punched waste is utilized to form the bending part, the riveting claw and the riveting block are matched to extrude and fold the bending part towards the workpiece, and finally the bending part forms a riveting structure so that a plurality of workpieces are riveted together. The condition that materials need to be consumed when riveting by using the rivet is improved, and the processing cost of enterprises is reduced; the process of punching first and then penetrating the rivet is improved, punching and riveting are completed synchronously, and the production efficiency of enterprises is improved.

Preferably, the riveting claws are provided with two, the ends, close to the riveting grooves, of the two riveting claws are provided with stamping inclined planes, and the stamping inclined planes enable the connection positions of the punched bending parts of the workpieces and the workpieces to be located on one sides, close to the two riveting claws, of the two riveting claws.

Preferably, two riveting claws are provided with first arc-shaped guide surfaces at positions close to the stamping inclined plane, the two first guide surfaces are arranged at one side of the two riveting claws close to each other, and the two first guide surfaces bend two bending portions towards the direction close to each other.

Preferably, one side of the riveting block, which is close to the riveting groove, is provided with an arc-shaped second guide surface, and an arc opening of the second guide surface faces the riveting groove.

By adopting the scheme, the riveting claw utilizes the inclined stamping inclined plane to break the workpiece and form a bent part, the bent part is bent towards the direction close to each other by the arc-shaped first guide surface, the bent part is further extruded by the second guide surface of the riveting block, the bent part is tightly folded and extruded together under the sequential action of the first guide surface and the second guide surface, and the workpieces stacked together are riveted together under the action of the folded and extruded bent part.

Preferably, the rifle body is provided with along the gliding slider of rifle body length direction, and the mounting groove that is used for installing two riveting claws is seted up to the slider, and the slider corresponds two riveting claws and keeps away from one side each other and all is provided with ripples pearl screw, and two ripples pearl screws butt respectively keep away from one side each other in two riveting claws.

By adopting the scheme, in the process that the workpieces are punched to form the bending part by the riveting claws, the reacting force of the workpieces to the punching inclined plane and the first guide surface enables the two riveting claws to be subjected to the force of being away from each other, and the two riveting claws swing and deform in the direction away from each other under the buffering of the wave ball screw.

Preferably, the mounting groove is provided with two guide sections arranged along the length direction of the gun body and an abutting section vertical to the length direction of the gun body, abutting sections are arranged at positions of the two riveting claws far away from the riveting groove, and the abutting sections are arranged at one sides of the two riveting claws close to each other; the butt portion of riveting claw is located the butt section of mounting groove, and butt portion is kept away from riveting groove one side butt and is kept away from the lateral wall in riveting groove in the butt section, and the butt section of mounting groove corresponds position department between two butt portions and is provided with elastic buffer block, two butt portions butt in buffer block.

Through adopting above-mentioned scheme, when the riveting punching press, the butt portion of two riveting claws then moves to the direction that is close to each other, and the buffer block utilizes the deformation of self to cushion the power that two butt portions are close to each other. The wave ball screw is matched with the buffer block, so that the riveting claw is supported and buffered while a proper swing space is provided for the riveting claw, and the probability of plastic deformation of the riveting claw under the reaction force of a workpiece is reduced.

Preferably, the rifle body is provided with the gliding drive assembly of drive slider, and drive assembly includes:

the piston cavity is arranged in the gun body along the length direction of the gun body, a piston rod sliding along the length direction of the gun body is arranged in the piston cavity, the piston cavity is connected to a pressure air source or a hydraulic station, and when the piston cavity is pressurized, the piston rod drives the sliding block to slide towards the riveting groove;

the first return spring gives the piston rod a force in the direction away from the riveting groove.

By adopting the scheme, when the piston cavity is pressurized, the piston rod drives the riveting claw to move towards the riveting groove through the sliding block, and when the piston cavity is depressurized, the first reset spring pushes the piston rod and the riveting claw to reset.

Preferably, the sectional area of the piston rod is larger than that of the riveting claw.

By adopting the scheme, the riveting claw is convenient for further concentrating the pressure on the piston rod, namely further increasing the pressure on the workpiece, increasing the amplification factor of the pressure on the pressure gas of the gas source and improving the riveting effect.

Preferably, the gun body is provided with a second return spring close to the riveting block, and the second return spring provides force for the riveting block to be far away from the workpiece.

Through adopting above-mentioned scheme, after the riveting action is accomplished, the riveting piece of being convenient for of second reset spring resumes initial condition, and the second spigot surface of riveting piece rotates to keeping away from slider position department.

In summary, the present application has the following beneficial effects:

1. the riveting claw is pushed by the driving assembly to punch a through hole in a workpiece, meanwhile, a bent part is formed by using punched waste materials, the bent part is extruded and folded towards the workpiece by the cooperation of the riveting claw and the riveting block, and finally, the bent part forms a riveting structure to rivet a plurality of workpieces together;

2. the condition that materials need to be consumed when riveting by using the rivet is improved, and the processing cost of enterprises is reduced;

3. the process of punching and then penetrating the rivet is improved, punching and riveting are completed synchronously, and the production efficiency of enterprises is improved.

Drawings

FIG. 1 is a schematic structural diagram of a non-consumable riveter according to an embodiment of the present disclosure;

FIG. 2 is a cross-sectional view of a non-consumable riveter according to an embodiment of the present application;

FIG. 3 is a schematic structural diagram of a protruding riveting claw of a non-consumable riveting gun according to an embodiment of the present application;

fig. 4 is a schematic structural diagram of a protruding riveting block of a consumable-free riveting gun according to an embodiment of the application.

Description of reference numerals: 1. a gun body; 11. a grip; 2. a drive assembly; 21. a piston cavity; 22. a piston rod; 23. a bump; 24. a first return spring; 25. a base plate; 3. riveting the assembly; 31. a first cover; 311. a ball screw; 32. a second cover; 321. a guide groove; 33. a third cover; 331. a hole of abdication; 34. riveting the groove; 35. a slider; 351. mounting grooves; 3511. a guide section; 3512. an abutment section; 352. a buffer block; 36. riveting claws; 361. stamping an inclined plane; 362. a first guide surface; 363. an abutting portion; 37. riveting a block; 371. a second guide surface; 372. a guide groove; 38. a top block; 381. a second return spring.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and encompass, for example, both fixed and removable connections or integral parts thereof; the connection can be mechanical connection, electrical connection or communication; 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 by those skilled in the art according to specific situations.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The embodiment of the application discloses no consumptive material riveting gun, refer to fig. 1 and fig. 2, including the rifle body 1 and handle 11, handle 11 rigid coupling is in one side of rifle body 1 length direction, and the rifle body 1 is provided with the drive assembly 2 that is used for riveting a plurality of work pieces together riveting subassembly 3 and direct drive riveting subassembly 3.

Referring to fig. 1 and 2, the riveting assembly 3 includes a first sealing cover 31, a second sealing cover 32 and a third sealing cover 33 which are sequentially arranged along the length direction of the gun body 1, the third sealing cover 33 is located at one end of the gun body 1, the first sealing cover 31, the second sealing cover 32 and the third sealing cover 33 are all bolted to the gun body 1, a gap is left between the first sealing cover 31 and the second sealing cover, a riveting groove 34 is formed between the first sealing cover 31 and the second sealing cover, the riveting groove 34 is perpendicular to the length direction of the gun body 1, and a workpiece can be inserted into the riveting groove 34.

Referring to fig. 2 and 3, a slide block 35 is slidably connected between the first cover 31 and the gun body 1, the slide block 35 slides along the length of the gun body 1, the slide block 35 is disposed on a side of the rivet groove 34 away from the third cover 33, and the slide block 35 moves toward or away from the rivet groove 34 under the driving of the driving assembly 2. The slide block 35 is connected with two riveting claws 36, the length direction of the riveting claw 36 is parallel to the length direction of the gun body 1, and the distances from one end of the two riveting claws 36 close to the riveting groove 34 to the second cover 32 are equal. When the riveting claw 36 moves towards the riveting groove 34 along with the slide block 35, a plurality of workpieces are punched, and a bent part is formed at the part, corresponding to the punched part, of the workpieces and is positioned on one side, far away from the slide block 35, of the workpieces.

Referring to fig. 2 and 3, the second cover 32 is provided with a guide groove 321 at a position corresponding to the riveting claw 36, the guide groove 321 is disposed along a length direction of the riveting claw 36, and the riveting claw 36 can slide in the guide groove 321 along the length direction thereof. The guide groove 321 improves the stability of the rivet claw 36 in the sliding process, and reduces the probability of the rivet claw 36 being bent and deformed under the reaction force of the workpiece. The third cover 33 has a hole 331 corresponding to the guiding groove 321, the hole 331 is along the length direction of the guiding groove 321, and the hole 331 is connected to the guiding groove 321. The relief hole 331 reduces the probability of collision between the riveting claw 36 and the third cover 33, and facilitates the discharge of debris generated during the riveting process from the gun body 1.

Referring to fig. 2 and 3, a riveting block 37 is rotatably connected to the third cover 33 near the riveting groove 34, a rotation center of the riveting block 37 is near the middle of the riveting block 37, and a rotation plane of the riveting block 37 is parallel to the length direction of the gun body 1. One end of the riveting block 37 is driven by the driving assembly 2 to rotate towards the first cover 31, the riveting block 37 presses the bent parts of the workpieces, and the riveting block 37 enables the bent parts of the workpieces to be folded together.

Referring to fig. 3 and 4, the two riveting claws 36 are provided with stamping inclined surfaces 361 at ends close to the riveting grooves 34, the two stamping inclined surfaces 361 incline towards the sliding block 35 from the direction in which the two riveting claws 36 are away from each other to the direction in which the two riveting claws 36 are close to each other, and the stamping inclined surfaces 361 enable the connection part of the workpiece and the bent part stamped out by the workpiece to be located at the side where the two riveting claws 36 are close to each other. Two riveting claws 36 are close to punching press inclined plane 361 position department and all have seted up curved first spigot surface 362, and two first spigot surfaces 362 set up in two riveting claws 36 one side of being close to each other, and the arc mouth of two first spigot surfaces 362 sets up towards riveting groove 34, and two first spigot surfaces 362 make two flexion parts crooked to the direction that is close to each other. The riveting block 37 is provided with an arc-shaped second guide surface 371 near one side of the riveting groove 34, the arc opening of the second guide surface 371 faces the riveting groove 34, and the second guide surface 371 continuously bends and folds the two bending parts towards the direction of the sliding block 35.

Referring to fig. 2 and 3, a mounting groove 351 is formed on one side of the slider 35 close to the first cover 31, the mounting groove 351 is provided with two guide sections 3511 arranged along the length direction of the riveting claw 36 and an abutting section 3512 perpendicular to the length direction of the gun body 1, and the abutting section 3512 connects the two guide sections 3511. The riveting claws 36 are mounted in the guide section 3511, a gap exists between the riveting claws 36 and the side wall of the guide section 3511, abutting parts 363 are fixedly connected to positions, far away from the riveting groove 34, of the two riveting claws 36, the abutting parts 363 are arranged on one side, close to each other, of the two riveting claws 36, the abutting parts 363 are located on the abutting section 3512 of the mounting groove 351, and one side, far away from the riveting groove 34, of the abutting parts 363 abuts against the side wall, far away from the riveting groove 34, of the abutting section 3512. An elastic buffer block 352 is arranged at a position, corresponding to the position between the two abutting parts 363, of the abutting section 3512 of the installation groove 351, the buffer block 352 can be made of rubber or plastic, and the buffer block 352 is used for buffering the force of the two abutting parts 363 approaching to each other. The first cover 31 is connected with the wave ball screw 311 through the screw thread on one side, which is far away from the two riveting claws 36, and the two wave ball screws 311 abut against one side, which is far away from the two riveting claws 36, of the two riveting claws 36 respectively. During the caulking press, the abutting portions 363 of the two caulking claws 36 move in the direction of approaching each other, and the buffer block 352 buffers the force of the abutting portions 363 approaching each other by its own deformation. The wave ball screw 311 and the buffer block 352 are matched with each other, so that the riveting claw 36 is supported and buffered while a proper swing space is provided for the riveting claw 36, and the probability of plastic deformation of the riveting claw 36 under the reaction force of a workpiece is reduced.

Referring to fig. 2 and 3, the driving assembly 2 includes a piston cavity 21 opened in the gun body 1, the piston cavity 21 is disposed along the length direction of the gun body 1, a piston rod 22 sliding along the length direction of the gun body 1 is slidably sealed in the piston cavity 21, and the sectional area of the piston rod 22 is larger than that of the riveting claw 36. The piston cavity 21 is connected to a pressure air source or a hydraulic station, the piston rod 22 is driven by pressure air or hydraulic oil, and when the piston cavity 21 is pressurized, the piston rod 22 drives the sliding block 35 to slide towards the riveting groove 34.

Referring to fig. 2 and 3, the sliding block 35 is fixed to the piston rod 22 near the riveting groove 34, the protrusion 23 is fixed to one end of the piston rod 22 near the riveting groove 34, the protrusion 23 can abut against the riveting block 37 at a position far from the second guide surface 371, and when the protrusion 23 pushes the riveting block 37 at a position far from the second guide surface 371 to rotate towards the second cover 32, the second guide surface 371 rotates towards the riveting groove 34. The riveting block 37 folds together the bent portions of the plurality of workpieces.

Referring to fig. 2 and 3, a guide groove 372 is formed in a position, away from the second guide surface 371, of the riveting block 37, the guide groove 372 is located on a side, away from the protruding block 23, of the riveting block 37, a second return spring 381 is fixedly connected to a position, corresponding to the guide groove 372, of the third cover 33, the second return spring 381 is arranged along the length direction of the gun body 1, a top block 38 is fixedly connected to one end, away from the third cover 33, of the second return spring 381, the top block 38 abuts against the riveting block 37, and the top block 38 abuts against a position, corresponding to the guide groove 372, of the riveting block 37. After the riveting operation is completed, the second return spring 381 facilitates the riveting block 37 to return to the initial state, and the second guide surface 371 of the riveting block 37 rotates to a position away from the slide block 35. The sliding fit of the top block 38 and the guide groove 372 improves the stability of the second return spring 381 in the process of extending and retracting and the smoothness of the contact between the second return spring 381 and the abutting block.

Referring to fig. 2 and 3, a backing plate 25 is fixedly connected to a position, corresponding to the piston rod 22, of the third sealing cover 33, the backing plate 25 abuts against a first return spring 24, the first return spring 24 is arranged along the length direction of the gun body 1, one end, far away from the backing plate 25, of the first return spring 24 abuts against one end, close to the riveting groove 34, of the piston rod 22, the first return spring 24 provides a force, far away from the riveting groove 34, of the piston rod 22, and after the piston cavity 21 is depressurized, the first return spring 24 pushes the piston rod 22 and the slider 35 to move far away from the riveting groove 34. The shim plate 25 reduces the probability of the first return spring 24 interfering with the rivet block 37.

The implementation principle of the embodiment of the application is as follows: the riveting claw 36 uses the inclined pressing slope 361 to break the workpiece and form a bending part, the arc-shaped first guide surface 362 makes the bending part bend towards the direction of approaching each other, the second guide surface 371 of the riveting block 37 further presses the bending part, the bending part is tightly folded and pressed together under the sequential action of the first guide surface 362 and the second guide surface 371, and the stacked workpieces are riveted together under the action of the folded and pressed bending part. The riveting claw 36 punches the workpiece out of a through hole under the pushing of the driving assembly 2, meanwhile, a bent part is formed by using the punched waste, the riveting claw 36 and the riveting block 37 are matched to extrude and fold the bent part towards the workpiece, and finally, the bent part forms a riveting structure, so that a plurality of workpieces are riveted together. The condition that materials need to be consumed when riveting by using the rivet is improved, and the processing cost of enterprises is reduced; the process of punching first and then penetrating the rivet is improved, punching and riveting are completed synchronously, and the production efficiency of enterprises is improved.

The embodiment of the application improves the conditions that the rivet is consumed during riveting, the enterprise cost is increased, the rivet is pre-punched and then is penetrated, and the production efficiency is reduced.

The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A non-consumable riveting gun, characterized by comprising:

the gun body (1) is provided with a riveting groove (34) for placing a workpiece to be riveted;

the riveting claw (36) can move back and forth close to or far away from the riveting groove (34) and press a plurality of workpieces when moving towards the riveting groove (34), a bent part is formed at the part of the workpieces corresponding to the pressed part, and the bent part is positioned at one side of the workpieces far away from the sliding block (35);

and the riveting block (37) is arranged on the gun body (1) corresponding to the riveting groove (34) and one side of the workpiece far away from the riveting claw (36), and after the riveting claw (36) enables the workpiece to form a bent part, the riveting block (37) moves towards the workpiece and extrudes the bent part of the workpiece.

2. A consumable-free riveter according to claim 1, wherein: the riveting claws (36) are provided with two riveting claws, one ends of the two riveting claws (36) close to the riveting grooves (34) are respectively provided with a stamping inclined plane (361), and the stamping inclined planes (361) enable the connection part of the punched bending part of the workpiece and the workpiece to be positioned on one side where the two riveting claws (36) are close to each other.

3. A consumable-free riveter according to claim 2, wherein: the positions, close to the stamping inclined planes (361), of the two riveting claws (36) are provided with arc-shaped first guide surfaces (362), the two first guide surfaces (362) are arranged on one side, close to one side, of the two riveting claws (36), and the two first guide surfaces (362) enable the two bending portions to bend towards the direction close to one another.

4. A consumable-free riveter according to claim 2, wherein: one side of the riveting block (37) close to the riveting groove (34) is provided with an arc-shaped second guide surface (371), and an arc opening of the second guide surface (371) faces the riveting groove (34).

5. A consumable-free riveter according to claim 2, wherein: the gun body (1) is provided with along the gliding slider (35) of gun body (1) length direction, and mounting groove (351) that are used for installing two riveting claw (36) are seted up in slider (35), and slider (35) are corresponding two riveting claw (36) and are kept away from one side each other and all are provided with ripples pearl screw (311), and two ripples pearl screws (311) are respectively the butt and are kept away from one side each other in two riveting claw (36).

6. A non-consumable riveter according to claim 5, wherein: the mounting groove (351) is provided with two guide sections (3511) arranged along the length direction of the gun body (1) and an abutting section (3512) vertical to the length direction of the gun body (1), abutting parts (363) are arranged at positions, far away from the riveting groove (34), of the two riveting claws (36), and the abutting parts (363) are arranged on one sides, close to each other, of the two riveting claws (36); the abutting part (363) of the riveting claw (36) is located at the abutting section (3512) of the mounting groove (351), one side, far away from the riveting groove (34), of the abutting part (363) abuts against the side wall, far away from the riveting groove (34), of the abutting section (3512), an elastic buffer block (352) is arranged at the position, corresponding to the position between the two abutting parts (363), of the abutting section (3512) of the mounting groove (351), and the two abutting parts (363) abut against the buffer block (352).

7. A non-consumable riveting gun according to claim 5, wherein the gun body (1) is provided with a driving assembly (2) for driving the sliding block (35) to slide, and the driving assembly (2) comprises:

the piston cavity (21) is arranged in the gun body (1) along the length direction of the gun body (1), a piston rod (22) sliding along the length direction of the gun body (1) is arranged in the piston cavity (21), the piston cavity (21) is connected to a pressure air source or a hydraulic station, and when the piston cavity (21) is pressurized, the piston rod (22) drives the sliding block (35) to slide towards the riveting groove (34);

the first return spring (24) applies a force to the piston rod (22) in a direction away from the rivet groove (34).

8. A non-consumable riveter according to claim 7, wherein: the sectional area of the piston rod (22) is larger than that of the riveting claw (36).

9. A consumable-free riveter according to claim 1, wherein: a second return spring (381) is arranged at the position, close to the riveting block (37), of the gun body (1), and the second return spring (381) applies force to the riveting block (37) to be far away from a workpiece.