CN216938251U

CN216938251U - Pneumatic riveting set

Info

Publication number: CN216938251U
Application number: CN202220119892.7U
Authority: CN
Inventors: 王鑫; 吴昊俣; 王岩
Original assignee: Tianjin Jieqiang Power Equipment Co ltd
Current assignee: Tianjin Jieqiang Power Equipment Co ltd
Priority date: 2022-01-18
Filing date: 2022-01-18
Publication date: 2022-07-12
Anticipated expiration: 2032-01-18

Abstract

The utility model relates to the technical field of riveting equipment, in particular to a pneumatic riveting device which comprises a boosting structure assembly, a transmission structure assembly and a riveting structure assembly, wherein the boosting structure assembly comprises an air cylinder, a guide mechanism, a sliding plate, a lifting block, a boosting rotary block and a reinforcing block, the sliding plate is fixedly connected with a piston rod of the air cylinder and slides up and down along the guide mechanism, the boosting rotary block is hinged above the air cylinder, the lifting block is arranged at the front end of the boosting rotary block and is arranged on the sliding plate, the reinforcing block is fixedly arranged at the rear end of the boosting rotary block, the force arm at the front end of the boosting rotary block is larger than that at the rear end of the boosting rotary block, the transmission structure assembly is driven by the reinforcing block to move up and down along the guide mechanism, the riveting structure assembly is arranged above the boosting structure assembly, the riveting structure assembly is provided with a riveting head, and the riveting head is driven by the transmission structure assembly to move up and down. The device provided by the utility model has the advantages of simple structure, small volume, light weight, high integration degree, low power consumption and noise and high reliability.

Description

Pneumatic riveting set

Technical Field

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

Background

At present, large-scale stamping equipment or riveting equipment is mainly used for stamping sheet metal parts and fixing the outer frames and joints of a plurality of products in the electronic industry. The riveting head is directly driven by the air cylinder to move up and down, the size is large, the weight is heavy, the operation power is high, the noise is large, and the failure rate of the equipment is high due to large vibration during working. And many small enterprises or production plants do not have high-power supplies or 380V power supplies and cannot perform efficient production.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing a pneumatic riveting device which has the advantages of simple structure, small volume, light weight, high integration degree, low power consumption and noise and high reliability.

The utility model is realized by the following technical scheme:

a pneumatic riveting device comprises a boosting structure assembly, a transmission structure assembly and a riveting structure assembly, wherein the boosting structure assembly comprises an air cylinder, a guide mechanism, a sliding plate, a lifting block, a boosting rotary block and a reinforcing block, the sliding plate is fixedly connected with an air cylinder piston rod and slides up and down along the guide mechanism, the boosting rotary block is hinged above the air cylinder, the lifting block is installed at the front end of the boosting rotary block and is arranged on the sliding plate, the reinforcing block is fixedly installed at the rear end of the boosting rotary block, the force arm at the front end of the boosting rotary block is larger than that at the rear end of the boosting rotary block, the transmission structure assembly is driven by the reinforcing block to move up and down along the guide mechanism, the riveting structure assembly is installed above the boosting structure assembly, the riveting structure assembly is provided with a riveting head, and the riveting head is driven by the transmission structure assembly to move up and down.

Further, the boosting structure assembly further comprises a bottom plate and a top plate, the guide mechanism comprises two front guide posts and two rear guide posts, the lower ends of the air cylinder, the two front guide posts and the two rear guide posts are fixedly mounted on the bottom plate, the top plate is fixedly mounted at the top ends of the two front guide posts and the two rear guide posts, the boosting rotating block is hinged to the lower surface of the top plate, and the sliding plate slides up and down along the two front guide posts.

Furthermore, the transmission structure assembly comprises a connecting shaft, two connecting plates and a pressing block, the two connecting plates penetrate through the top plate and move up and down along the rear guide post, the connecting shaft is fixedly installed at the lower part between the two connecting plates, and the pressing block is fixedly installed at the top part between the two connecting plates.

Optimized, two fixed mounting has the direction fixed block between the connecting plate, set up two guide posts on the direction fixed block and step down the hole and two guide posts step down hole department and install linear bearing respectively, two corresponding linear bearing is passed respectively to the back guide post.

Optimally, the number of the guide fixing blocks is two.

Furthermore, a rolling component is sleeved on the connecting shaft.

Further, the riveting structure assembly is further provided with a positioning guide rail, two riveting guide shafts, a riveting sliding plate and a riveting head adjusting mechanism, the positioning guide rail and the two riveting guide shafts are fixedly arranged on the upper surface of the top plate, the riveting sliding plate slides up and down along the riveting guide shafts, and the riveting head adjusting mechanism drives the riveting head to move up and down.

Optimally, first return springs are sleeved on the two rear guide posts between the guide fixing block and the bottom plate respectively.

Furthermore, two riveting guiding shafts are respectively sleeved with a second return spring.

Beneficial effects of the utility model

The pneumatic riveting device protected by the utility model has the following advantages: the cylinder can be driven by a low-voltage electromagnetic valve, and the running power of the whole machine is low; the running noise of the equipment is low, and only the exhaust sound of the cylinder is generated; by adopting the force increasing principle of the lever, the riveting force can be increased by more than 13 times, the operation is stable, the reliability is high, and meanwhile, the design optimization can be carried out according to the actual use condition, so that the riveting capability is improved; because the force arm of the lever is smaller and the integration level is higher, the whole machine has very compact structure, very low manufacturing cost and use cost, and the equipment is easy to assemble, disassemble and transport; 220V power supply can meet the use requirements in most domestic environments.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a rear view schematic of the present invention;

FIG. 3 is a schematic view of the force increasing assembly;

FIG. 4 is a schematic view of the transmission assembly;

FIG. 5 is a schematic structural view of a riveted joint construction assembly;

in the figure, 1, a boosting structure assembly, 2, a transmission structure assembly, 3, a riveting structure assembly, 4, an air cylinder, 5, a sliding plate, 6, a lifting block, 7, a front guide column, 8, a boosting rotating block, 9, a reinforcing block, 10, a rear guide column, 11, a guide fixing block, 12, a linear bearing, 13, a connecting shaft, 14, a rolling part, 15, a connecting plate, 16, a pressing block, 17, a riveting guide shaft, 18, a riveting sliding plate, 19, a riveting joint, 20, an adjusting bolt, 21, a first return spring, 22, a hinge shaft, 23, a positioning guide rail, 24, a top plate, 25, a bottom plate and 26, a second return spring are arranged.

Detailed Description

A pneumatic riveting device comprises a boosting structure assembly 1, a transmission structure assembly 2 and a riveting structure assembly 3, wherein the boosting structure assembly comprises an air cylinder 4, a guide mechanism, a sliding plate 5, a lifting block 6, a boosting rotary block 8 and a reinforcing block 9, the sliding plate is fixedly connected with a piston rod of the air cylinder and slides up and down along the guide mechanism, the boosting rotary block is hinged above the air cylinder through a hinge shaft 22, the lifting block is arranged at the front end of the boosting rotary block and is arranged on the sliding plate, the lifting block can be a rolling part, such as a rolling bearing or a roller wheel and the like, when the sliding plate is lifted or descended, the friction force between the lifting block and the sliding plate can be reduced, the stable rotation of the boosting rotary block is realized, and the operation of the boosting structure assembly is more stable and reliable.

The reinforcing block is fixedly arranged at the rear end of the force-increasing rotating block, the force arm at the front end of the force-increasing rotating block is larger than that at the rear end, and the reinforcing block and the force-increasing rotating block can be clamped, fixedly connected through bolts or welded in various ways. The transmission structure assembly is driven by the reinforcing block to move up and down along the guide mechanism, the riveting structure assembly is arranged above the reinforcement structure assembly, the riveting structure assembly is provided with a riveting head 19, and the riveting head is driven by the transmission structure assembly to move up and down.

Through the setting of reinforcement structure assembly, the rotatory piece front end arm of force of reinforcement is greater than the rear end arm of force for the last pressure that acts on the riveting head can increase several times, can specifically set up corresponding arm of force ratio according to concrete requirement, thereby improve riveting ability, and need not to improve the pressure of cylinder, make the manufacturing cost and the use cost of equipment very low, the arm of force of equipment lever is less simultaneously, and the integrated level is higher, so the complete machine structure is very compact, equipment easily loads and unloads and the transport. And the pressure ratio of the cylinder is smaller, the cylinder can be driven by adopting a low-pressure electromagnetic valve, the running power of the whole machine is smaller, the noise is lower, and the 220V power supply is enough, so that the use requirement under most domestic production environments can be met.

Further, the reinforcement structure assembly further comprises a bottom plate 25 and a top plate 24, the guide mechanism comprises two front guide posts 7 and two rear guide posts 10, the air cylinder, the lower ends of the two front guide posts and the lower ends of the two rear guide posts are fixedly mounted on the bottom plate, the top plate is fixedly mounted at the top ends of the two front guide posts and the two rear guide posts, the reinforcement rotating block is hinged to the lower surface of the top plate, the sliding plate slides up and down along the two front guide posts, the reinforcement structure assembly further comprises a bottom plate and a top plate, the whole set of equipment is integrated on the bottom plate and the top plate, the integration level is high, the size is small, the assembly and disassembly and the handling are easy, the two front guide posts are arranged, and the two ends of the sliding plate can be sleeved on the two front guide posts and connected through bearings, so that the sliding plate can run more stably and reliably.

Further, the transmission structure assembly comprises a connecting shaft 13, two connecting plates 15 and a pressing block 16, the two connecting plates penetrate through the top plate and move up and down along the rear guide post, the connecting shaft is fixedly installed at the lower part between the two connecting plates, and the pressing block is fixedly installed at the top part between the two connecting plates.

When the cylinder acts and the reinforcing block of the reinforcement structure assembly presses downwards and presses the connecting shaft, the whole transmission structure assembly is driven to move downwards along the rear guide post, so that the pressing block generates a large downward pressure to drive the riveting head of the riveting structure assembly to act downwards to complete the riveting work of the component, and further the riveting capacity of the equipment is improved.

Optimized, two fixed mounting has direction fixed block 11 between the connecting plate, set up two guide posts on the direction fixed block and step down hole department and install linear bearing 12 respectively two corresponding linear bearing is passed respectively to the back guide post, direction fixed block and linear bearing's setting for transmission structure assembly can be more reliable and more stable transmission power.

Optimally, the two guide fixing blocks are adopted, so that the transmission structure assembly can run more stably and reliably.

Furthermore, the connecting shaft is sleeved with a rolling component 14 which can be a rolling bearing or other rolling components, so that the friction between the reinforcing block and the connecting shaft in the rotating process can be reduced, the reinforcing block rotates stably and is pressed downwards, and the transmission of the pressure is more reliable.

Further, the riveting structure assembly is further provided with a positioning guide rail 23, two riveting guide shafts 17, a riveting sliding plate 18 and a riveting head adjusting mechanism, the positioning guide rail and the two riveting guide shafts are fixedly arranged on the upper surface of the top plate, the riveting sliding plate slides up and down along the riveting guide shafts, and the riveting head adjusting mechanism drives the riveting head to move up and down.

During riveting operation, a component to be riveted is positioned and fixed through the positioning guide rail, the pressing block of the transmission structure assembly moves downwards under the action of the boosting structure assembly, the pressure of the boosting structure assembly is transmitted to the riveting head of the riveting structure assembly, and riveting operation of the component is achieved. Due to the arrangement of the two riveting guide shafts and the riveting sliding plate, the operation of the riveting sliding plate is stable and reliable, the riveting head is driven to operate stably, and the riveting quality is guaranteed.

Specifically, the rivet joint adjusting mechanism can adopt a screw rod mechanism, the adjusting bolt 20 penetrates through the riveting sliding plate, a nut sleeve (not shown) is arranged at the lower end of the screw rod, two ends of the nut sleeve can be slidably connected with the riveting sliding plate, the rivet joint 19 is fixedly arranged at the lower end of the nut sleeve, when the adjusting bolt is rotated, the nut sleeve moves up and down along the adjusting bolt, the height of the rivet joint can be adjusted to adapt to riveting requirements of different components, two ends of the nut sleeve are slidably connected with the riveting sliding plate, and the nut sleeve is prevented from rotating along with the rotation in the rotating process of the adjusting bolt.

Optimally, the first return springs 21 are sleeved between the guide fixing blocks and the bottom plate on the two rear guide columns respectively, when the air cylinder retracts, the force-increasing rotating block rotates reversely, the reinforcing block is separated from the connecting shaft, the transmission structure assembly loses pressure, and the transmission structure assembly can automatically move upwards to reset under the action of the restoring force of the first return springs.

Furthermore, two riveting guide shafts are respectively sleeved with a second reset spring 26, when the cylinder retracts, the transmission structure assembly loses pressure and can automatically move upwards to reset under the action of the restoring force of the first reset spring, so that the riveting structure assembly loses pressure and automatically moves upwards to reset under the action of the restoring force of the second reset spring.

The specific implementation process is as follows:

1. pushing a component to be riveted into the lower part of the riveting head along the positioning guide rail;

2. after the equipment is started, a piston rod of the air cylinder moves upwards to drive the sliding plate to move upwards along the front guide shaft;

3. the lifting block rolls on the sliding plate, and the force-increasing rotating block rotates around the hinge shaft;

4. the bottom of the reinforcing block presses a rolling component on the connecting shaft to move downwards, and meanwhile, the connecting shaft drives the connecting plate to move downwards;

5. the pressing block presses the adjusting bolt to move downwards; the riveting sliding plate moves downwards along the riveting guide shaft;

6. the riveting head moves downwards to complete the riveting operation of the product;

7. the cylinder retracts, under the action of the second reset spring, the riveting sliding plate returns to the original position along the riveting guide shaft, the transmission structure assembly returns to the original position under the action of the first reset spring, and the riveting process is completed once.

In conclusion, the pneumatic riveting device protected by the utility model has the advantages of simple structure, small volume, light weight, high integration degree, low power consumption and noise and high reliability.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A pneumatic riveting device is characterized by comprising a boosting structure assembly, a transmission structure assembly and a riveting structure assembly, wherein the boosting structure assembly comprises an air cylinder, a guide mechanism, a sliding plate, a lifting block, a boosting rotating block and a reinforcing block, the sliding plate is fixedly connected with a piston rod of the air cylinder and slides up and down along the guide mechanism, the boosting rotating block is hinged above the air cylinder, the lifting block is installed at the front end of the boosting rotating block and is arranged on the sliding plate, the reinforcing block is fixedly installed at the rear end of the boosting rotating block, the force arm at the front end of the boosting rotating block is larger than that at the rear end of the boosting rotating block, the transmission structure assembly is driven by the reinforcing block to move up and down along the guide mechanism, the riveting structure assembly is installed above the boosting structure assembly, the riveting structure assembly is provided with a riveting head, and the riveting head is driven by the transmission structure assembly to move up and down.

2. The pneumatic riveting device of claim 1, wherein the force-increasing structure assembly further comprises a bottom plate and a top plate, the guiding mechanism comprises two front guiding columns and two rear guiding columns, the air cylinder and the lower ends of the two front guiding columns and the two rear guiding columns are fixedly mounted on the bottom plate, the top plate is fixedly mounted at the top ends of the two front guiding columns and the two rear guiding columns, the force-increasing rotating block is hinged to the lower surface of the top plate, and the sliding plate slides up and down along the two front guiding columns.

3. The pneumatic riveting device of claim 2, wherein the transmission structure assembly comprises a connecting shaft, two connecting plates and a pressing block, the two connecting plates penetrate through the top plate and move up and down along the rear guide post, the connecting shaft is fixedly arranged at the lower part between the two connecting plates, and the pressing block is fixedly arranged at the top part between the two connecting plates.

4. The pneumatic riveting device of claim 3, wherein a guide fixing block is fixedly mounted between the two connecting plates, two guide post abdicating holes are formed in the guide fixing block, linear bearings are respectively mounted at the two guide post abdicating holes, and the two rear guide posts respectively penetrate through the corresponding linear bearings.

5. The pneumatic riveting device of claim 4, wherein the guide fixing block is two.

6. The pneumatic riveting device of claim 3, wherein the connecting shaft is sleeved with a rolling component.

7. The pneumatic riveting device of claim 4, wherein the riveting structure assembly is further provided with a positioning guide rail, two riveting guide shafts, a riveting sliding plate and a riveting head adjusting mechanism, the positioning guide rail and the two riveting guide shafts are fixedly arranged on the upper surface of the top plate, the riveting sliding plate slides up and down along the riveting guide shafts, and the riveting head adjusting mechanism drives the riveting head to move up and down.

8. The pneumatic riveting device of claim 4, wherein the two rear guide posts are sleeved with first return springs between the guide fixing blocks and the bottom plate respectively.

9. The pneumatic riveting device of claim 7, wherein the two riveting guide shafts are respectively sleeved with a second return spring.