CN214866724U

CN214866724U - Riveting device

Info

Publication number: CN214866724U
Application number: CN202120729526.9U
Authority: CN
Inventors: 朱迅; 张世锋; 沈亮峰
Original assignee: Ante Metal Forming Shanghai Co Ltd
Current assignee: Ante Metal Forming Shanghai Co Ltd
Priority date: 2021-04-09
Filing date: 2021-04-09
Publication date: 2021-11-26
Anticipated expiration: 2031-04-09

Abstract

The utility model discloses a riveting device, include: the device comprises a cylinder, a connecting plate, a connecting rod, a moving rod, a sliding block and a supporting frame; the connecting plate is connected to the cylinder, the connecting rods are connected to the connecting plate, and the moving rod is hinged to the connecting rods; the slider is connected at the free end of carriage release lever, and the slider setting is on the support frame, and the part is placed on the support frame, and the part is located between the slider. In this way, the utility model has the advantages of simple and compact structure, the space occupancy is little, utilizes mechanical link mechanism, drives a plurality of sliders simultaneously by a cylinder and carries out the riveting, realizes the synchronous action of many riveting, can effectively guarantee the even atress of riveting face, improves the part riveting quality.

Description

Riveting device

Technical Field

The utility model relates to a mechanical assembly field, concretely relates to riveting device.

Background

Traditional part riveting frock generally adopts the multistation riveting, carries out the riveting action through adopting a plurality of cylinders to it. Every cylinder is equipped with the slider respectively, because factors such as atmospheric pressure unstability lead to every cylinder to exert pressure the power inconsistent easily, and a plurality of cylinder actions can't accomplish in step, have the time delay sometimes to cause part riveting face atress inhomogeneous, part each part can float and produce the deformation, appears that the part warp to set up the breakage, seriously influences part riveting quality, reduces the part qualification rate.

Disclosure of Invention

For solving the deficiencies of the prior art, the utility model provides a riveting device.

A riveting apparatus, comprising: the device comprises a cylinder, a connecting plate, a connecting rod, a moving rod, a sliding block and a supporting frame; the connecting plate is connected to the air cylinder, the connecting rods are connected to the connecting plate, and the moving rod is hinged to the connecting rods; the slider is connected the free end of carriage release lever, the slider sets up on the support frame, the part is placed on the support frame, the part is located between the slider.

Preferably, the sliding blocks are symmetrically arranged on the supporting frame by taking the part as an axis.

Preferably, the positioning device further comprises a positioning block, the positioning block is arranged on the support frame, the positioning block is located between the sliding blocks, and the part is placed on the positioning block; the slider includes first sliding block and second sliding block, first sliding block sets up on the second sliding block, first sliding block and part contact, the second sliding block is connected with the locating piece.

Preferably, still include the spring, the spring setting is in between second sliding block and the locating piece, second sliding block passes through the spring is connected with the locating piece.

Preferably, the sliding device further comprises a first guide block and a second guide block, the first guide block and the second guide block are connected to the moving rod, the first guide block is in contact with the first sliding block, and the second guide block is in contact with the second sliding block.

Preferably, the second guide block is provided in a cam shape, and a width of an end of the second guide block connected to the moving rod is larger than a width of an end of the second guide block in contact with the second slide block.

Preferably, the second guide block is connected with the moving rod through a connecting shaft, and the radial surface of the connecting shaft comprises a plane and an arc surface which are connected.

Preferably, the moving rod comprises a first moving block and a second moving block, the first moving block is connected with the second moving block, and an included angle is formed between the first moving block and the second moving block.

Preferably, the support frame comprises a first support plate and a second support plate, the first support plate is arranged above the second support plate, and the sliding block is arranged on the first support plate; be provided with the guide bar between first backup pad and the second backup pad, the connecting plate cover is established on the guide bar.

Preferably, the cylinder is an adjustable stroke cylinder.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model has the following beneficial effect:

the riveting device is simple and compact in structure and small in space occupancy rate, a plurality of sliding blocks are driven by one air cylinder to be riveted by utilizing a mechanical link mechanism, multiple riveting synchronous actions are realized, uniform stress on riveting surfaces can be effectively guaranteed, and part riveting quality is improved.

Drawings

Fig. 1 is a schematic structural diagram of a riveting device of the present invention.

Fig. 2 is a schematic structural diagram of the riveting device of the present invention in an initial state.

Fig. 3 is a schematic structural diagram of a riveting device in a riveting process of the present invention.

Description of reference numerals:

1. a cylinder; 2. a connecting plate; 3. a connecting rod; 4. a travel bar; 5. a slider; 51. a first slider; 52. a second slider; 6. a support frame; 61. a first support plate; 62. a second support plate; 63. a guide bar; 7. positioning blocks; 81. a first guide block; 82. a second guide block; 9. and (4) parts.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

Referring to the drawings, a riveting apparatus comprises: cylinder 1, connecting plate 2, connecting rod 3, carriage release lever 4, slider 5 and support frame 6. The connecting plate 2 is connected on the cylinder 1, and the cylinder 1 directly drives the connecting plate 2 to move up and down. The cylinder 1 is an adjustable stroke cylinder 1, and the riveting action stroke can be adjusted through the adjustable stroke of the cylinder 1, namely the riveting state can be adjusted. And only one air cylinder 1 is used in the riveting device, so that the cost is reduced.

A plurality of connecting rods 3 are connected on connecting plate 2, connecting rod 3 and connecting plate 2 fixed connection. The movable rod 4 is hinged with the connecting rod 3, and the movable rod 4 can rotate around the joint of the movable rod and the connecting rod 3. The slide block 5 is connected to the free end of the movable rod 4 and drives the slide block 5 to move through the movable rod 4. The slider 5 sets up on support frame 6, and support frame 6 plays supporting role to slider 5, and slider 5 can move on support frame 6.

The connecting rods 3, the moving rods 4 and the sliding blocks 5 are in one-to-one correspondence, and each set of connecting rods 3, the moving rods 4 and the sliding blocks 5 form a connecting rod structure. The sliding blocks 5 are symmetrically arranged on the supporting frame 6 by taking the part 9 as an axis, namely the connecting rod structure is symmetrically arranged on the supporting frame 6. For example, the link structure is provided with four sets of links, symmetrically arranged in a cross shape, and the parts 9 can be riveted from four directions by the sliders 5.

In order to better drive the sliding block 5 to move through the connecting rod structure, the moving rod 4 comprises a first moving block and a second moving block, the first moving block is connected with the second moving block, and an included angle is arranged between the first moving block and the second moving block and can be a right angle at an obtuse angle. Connecting rod 3 and slider 5 are connected respectively at the both ends of carriage release lever 4, and carriage release lever 4 relative connecting rod 3 and slider 5 all can take place relative rotation.

The parts 9 are placed on the support frame 6, the parts 9 being located between the slides 5. In order to better position the part 9, the riveting device further comprises a positioning block 7, the positioning block 7 is arranged on the support frame 6, the positioning block 7 is positioned between the sliding blocks 5, and the part 9 is placed on the positioning block 7. Play the effect of fixed part 9 and initial location through locating piece 7, and can 9 location stable at the riveting in-process, prevent that part 9 from warping, effectively guarantee that part 9 places in central point and put.

The slider 5 includes a first slide block 51 and a second slide block 52, the first slide block 51 is provided on the second slide block 52, the first slide block 51 is in contact with the component 9, the second slide block 52 is connected to the positioning block 7, and the second slide block 52 may be in contact with the component 9 depending on the shape of the component 9. The positioning device further comprises a spring, the spring is arranged between the second sliding block 52 and the positioning block 7, and the second sliding block 52 is connected with the positioning block 7 through the spring. The second slide block 52 can be returned well after moving by the restoring force of the spring, and the second slide block 52 is always brought into contact with the moving rod 4.

The riveting apparatus further includes a first guide block 81 and a second guide block 82, and the first guide block 81 and the second guide block 82 are coupled to the moving bar 4. The first guide block 81 contacts the first slide block 51, and the first slide block 51 is moved by the first guide block 81. The second guide block 82 contacts the second slide block 52, and the second slide block 52 is moved by the second guide block 82.

The connecting surface of the second guide block 82 and the second slide block 52 is an arc surface, that is, the second guide block 82 and the second slide block 52 are in point-surface contact, so that the smoothness of the second slide block 52 in the moving process is improved. Specifically, the second guide block 82 is provided in a cam shape, and the width of the end of the second guide block 82 connected to the moving bar 4 is larger than the width of the end of the second guide block 82 in contact with the second slide block 52.

The second guide block 82 is connected with the moving rod 4 through a connecting shaft, in order to avoid relative rotation between the second guide block 82 and the moving rod 4, the radial surface of the connecting shaft comprises a plane and an arc surface, and the plane is connected with the arc surface, namely the outer surface of the connecting shaft which is cylindrical per se is cut into a plane.

In order to guide the support plate during its movement, the support frame 6 comprises a first support plate 61 and a second support plate 62, the first support plate 61 is arranged above the second support plate 62, and the slide block 5 is arranged on the first support plate 61. A guide rod 63 is arranged between the first support plate 61 and the second support plate 62, and the connecting plate 2 is sleeved on the guide rod 63. The connecting part of the connecting plate 2 and the guide rod 63 is provided with a bearing, the connecting plate 2 is connected with the guide rod 63 through the bearing, friction is reduced in the moving process of the connecting plate 2, and the motion stability can be guaranteed.

In the actual use process, under the initial state of the riveting device, the stroke-adjustable cylinder 1 is at the lowest limit position, the slide block 5 is in an open state, and a part 9 to be riveted is placed on the positioning block 7 through a manipulator.

The cylinder 1 moves upwards, the cylinder 1 drives the connecting plate 2 and the connecting rod 3 to move upwards, and the connecting plate 2 and the connecting rod 3 move stably and stably under the action of the bearing. The connecting rod 3 will move outwards along with the connecting rod, and drive the moving rod 4 to move towards the direction close to the part 9. The moving rod 4 drives the second guide block 82 to rotate while moving, the second guide block 82 moves the second sliding block 52 towards the part 9, and the part 9 is fixed in the horizontal direction, so that the part 9 cannot float and deform in the riveting process. When the moving rod 4 moves, the first guide block 81 drives the first sliding block 51 to move towards the part 9, and the part 9 to be riveted is riveted in place, so that the riveting process is completed.

After the riveting of the part 9 is completed, the cylinder 1 moves downwards, and the connecting plate 2 and the connecting rod 3 move downwards along with the cylinder. The connecting rod 3 moves inwards to return to the initial position, the connecting rod 3 drives the moving rod 4 to return together, the first guide block 81 and the second guide block 82 return to the original positions, and the sliding block 5 moves outwards to return to the initial opening state.

The above is only the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and all the same principles are included in the protection scope of the present invention.

Claims

1. A riveting apparatus, comprising: the device comprises a cylinder, a connecting plate, a connecting rod, a moving rod, a sliding block and a supporting frame; the connecting plate is connected to the air cylinder, the connecting rods are connected to the connecting plate, and the moving rod is hinged to the connecting rods; the slider is connected the free end of carriage release lever, the slider sets up on the support frame, the part is placed on the support frame, the part is located between the slider.

2. A riveting apparatus according to claim 1, wherein: the sliding blocks are symmetrically arranged on the supporting frame by taking the parts as axes.

3. A riveting apparatus according to claim 1, wherein: the positioning block is arranged on the support frame, the positioning block is positioned between the sliding blocks, and parts are placed on the positioning block; the slider includes first sliding block and second sliding block, first sliding block sets up on the second sliding block, first sliding block and part contact, the second sliding block is connected with the locating piece.

4. A riveting apparatus according to claim 3, wherein: still include the spring, the spring setting is in between second sliding block and the locating piece, the second sliding block passes through spring and locating piece are connected.

5. A riveting apparatus according to claim 3, wherein: still include first guide block and second guide block, first guide block and second guide block are connected on the carriage release lever, first guide block and first sliding block contact, second guide block and second sliding block contact.

6. A riveting apparatus according to claim 5, wherein: the second guide block is arranged in a cam shape, and the width of one end, connected with the moving rod, of the second guide block is larger than that of one end, in contact with the second sliding block, of the second guide block.

7. A riveting apparatus according to claim 5, wherein: the second guide block is connected with the moving rod through a connecting shaft, the radial surface of the connecting shaft comprises a plane and an arc surface, and the plane is connected with the arc surface.

8. A riveting apparatus according to claim 1, wherein: the moving rod comprises a first moving block and a second moving block, the first moving block is connected with the second moving block, and an included angle is formed between the first moving block and the second moving block.

9. A riveting apparatus according to claim 1, wherein: the support frame comprises a first support plate and a second support plate, the first support plate is arranged above the second support plate, and the sliding block is arranged on the first support plate; be provided with the guide bar between first backup pad and the second backup pad, the connecting plate cover is established on the guide bar.

10. A riveting apparatus according to claim 1, wherein: the cylinder is an adjustable stroke cylinder.