CN210358910U

CN210358910U - Gasket riveting device

Info

Publication number: CN210358910U
Application number: CN201921198336.8U
Authority: CN
Inventors: 陆国中; 邢世忠
Original assignee: Taicang Tongli Machinery Equipment Co ltd
Current assignee: Taicang Tongli Machinery Equipment Co ltd
Priority date: 2019-07-29
Filing date: 2019-07-29
Publication date: 2020-04-21
Anticipated expiration: 2029-07-29

Abstract

The utility model relates to a gasket riveting device, which comprises a cylinder body, a piston driving cylinder and a central column; one end of the central column is fixedly connected to the bottom end of the cylinder body, and the other end of the central column penetrates through the other end of the cylinder body; the piston driving cylinder is sleeved on the central column, the piston driving cylinder is slidably connected to the central column, one end of the piston driving cylinder is slidably positioned in the cylinder body, and the inner part of the cylinder body is divided into an upper chamber and a lower chamber; the top end of the central column is provided with a placing groove, and the center of the placing groove is provided with a abdicating hole; the top end of the central column is provided with three riveting blocks in an annular array, the bottom ends of the riveting blocks are hinged to the central column, and the top ends of the riveting blocks are provided with riveting heads which are arranged towards the abdicating holes; a reset spring is arranged between one end, close to the rivet head, of the riveting block and the central column, and the riveting block is located between the piston driving cylinder and the central column. A gasket riveting device, adopt pneumatic riveting, can rivet automatically, avoid causing the damage to spare part, the riveting is convenient simple, efficient.

Description

Gasket riveting device

Technical Field

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

Background

For some existing assembly devices, such as an automobile rear brake oil pipe assembly, a gasket and a bolt which are arranged at one end of the assembly device and used for connection are lost in the transportation process, and the gasket is directly riveted on the bolt in order to avoid the phenomenon of the condition.

But to the riveting of gasket, all adopt the manual work to take the clamp and press from both sides the deformation card on the bolt, the power of getting is not convenient for control when the manual work is got to the clamp, often leads to the gasket broken with to cause certain damage to the external screw thread of bolt, the operation is inconvenient, and wastes time and energy.

SUMMERY OF THE UTILITY MODEL

The utility model aims at: the gasket riveting device is capable of avoiding damage to parts, convenient and simple to rivet and high in efficiency.

In order to achieve the above object, the present invention provides the following technical solutions:

a gasket riveting device comprises a cylinder body, a piston driving cylinder and a central column; one end of the central column is fixedly connected to the bottom end of the cylinder body, and the other end of the central column penetrates through the other end of the cylinder body; the piston driving cylinder is sleeved on the central column, the piston driving cylinder is slidably connected to the central column, one end of the piston driving cylinder is slidably positioned in the cylinder body, and the inner part of the cylinder body is divided into an upper chamber and a lower chamber; the top end of the central column is provided with a placing groove, and the center of the placing groove is provided with a abdicating hole; the top end of the central column is provided with three riveting blocks in an annular array, the bottom ends of the riveting blocks are hinged to the central column, and the top ends of the riveting blocks are provided with riveting heads which are arranged towards the abdicating holes; a reset spring is arranged between one end, close to the rivet head, of the riveting block and the central column, and the riveting block is located between the piston driving cylinder and the central column.

Furthermore, a driving cylinder adjusting mechanism is arranged at the top end of the cylinder body.

Further, the driving cylinder adjusting mechanism comprises a baffle plate and an adjusting nut; the baffle is connected above the cylinder body, and the piston driving cylinder penetrates through the baffle; the piston driving cylinder is provided with an external thread section at the position of the baffle, the adjusting nut is in threaded connection with the external thread section, and the adjusting nut is positioned below the baffle.

Furthermore, an upper air inlet head and a lower air inlet head are arranged on one side of the cylinder body, the upper air inlet head is communicated with the upper chamber, and the lower air inlet head is communicated with the lower chamber.

Furthermore, the piston driving cylinder, the central column and the abdicating hole are coaxially arranged.

Further, sealing rings are arranged on the bottom end of the piston driving cylinder and the contact sides of the center column and the interior of the cylinder body; and the contact side of the top end of the cylinder body and the piston driving cylinder is provided with another sealing ring.

The utility model has the advantages that: the gasket riveting device of the utility model adopts pneumatic riveting, can automatically rivet, avoids damaging parts, and has convenient and simple riveting and high efficiency; in addition, an adjusting mechanism is arranged to adjust the riveting size according to the size of the bolt.

Drawings

Fig. 1 is an axial view of a gasket riveting device of the present invention;

FIG. 2 is a structural view of FIG. 1 with the piston drive cylinder removed;

fig. 3 is a top view of the gasket riveting device of the present invention;

FIG. 4 is a cross-sectional view A-A of FIG. 3;

FIG. 5 is a cross-sectional view B-B of FIG. 3;

FIG. 6 is a rear view of a gasket riveted;

in the figure: 1. a cylinder body; 11. an upper chamber; 12. a lower chamber; 13. an upper air inlet head; 14. a lower air inlet head; 2. a piston drive cylinder; 21. an external threaded section; 3. a central column; 31. a placement groove; 32. a hole of abdication; 4. riveting and pressing blocks; 41. riveting heads; 5. a return spring; 6. a baffle plate; 7. and adjusting the nut.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Referring to fig. 1 to 5, a gasket riveting device is characterized in that: comprises a cylinder body 1, a piston driving cylinder 2 and a central column 3; one end of the central column 3 is fixedly connected to the bottom end of the cylinder body 1, and the other end of the central column penetrates through the other end of the cylinder body 1; the piston driving cylinder 2 is sleeved on the central column 3, the piston driving cylinder 2 is slidably connected to the central column 3, one end of the piston driving cylinder 2 is slidably positioned in the cylinder body 1 and divides the interior of the cylinder body 1 into an upper chamber 11 and a lower chamber 12; the top end of the central column 3 is provided with a placing groove 31, and the center of the placing groove 31 is provided with a yielding hole 32; the top end of the central column 3 is provided with three riveting blocks 4 in an annular array, the bottom ends of the riveting blocks 4 are hinged to the central column 3, the top end of each riveting block 4 is provided with a riveting head 41, and each riveting head 41 faces to the abdicating hole 32; a reset spring 5 is arranged between one end, close to the rivet head 41, of the riveting block 4 and the central column 3, and the riveting block 4 is located between the piston driving cylinder 2 and the central column 3.

And a driving cylinder adjusting mechanism is arranged at the top end of the cylinder body 1.

The driving cylinder adjusting mechanism comprises a baffle 6 and an adjusting nut 7; the baffle 6 is connected above the cylinder body 1, and the piston driving cylinder 2 penetrates through the baffle 6; the piston driving cylinder 2 is provided with an external thread section 21 at the position of the baffle 6, the adjusting nut 7 is in threaded connection with the external thread section 21, and the adjusting nut 7 is positioned below the baffle 6.

An upper air inlet head 13 and a lower air inlet head 14 are arranged on one side of the cylinder body 1, the upper air inlet head 13 is communicated with the upper cavity 11, and the lower air inlet head 14 is communicated with the lower cavity 12.

The piston driving cylinder 2, the central column 3 and the abdicating hole 32 are all coaxially arranged.

Sealing rings are arranged on the bottom end of the piston driving cylinder 2 and the contact sides of the central column 3 and the interior of the cylinder body 1; and the contact side of the top end of the cylinder body 1 and the piston driving cylinder 2 is provided with another sealing ring.

The working principle is as follows: firstly, according to the diameter of the bolt, the adjusting nut 7 is rotated to adjust the distance between the adjusting nut 7 and the baffle 6, the ascending distance of the piston driving cylinder 2 is controlled by controlling the distance between the adjusting nut 7 and the baffle 6, and then the piston driving cylinder 2 is controlled to drive the riveting body 4 to extrude the distance of the gasket, so that the bolt is suitable for different bolt diameters.

Placing a gasket on a placing groove 31, enabling a bolt to penetrate through an external product and then penetrate through the gasket on the placing groove 31 to be located in a yielding hole 32, exhausting air in an upper chamber 11 of a cylinder body 1, ventilating a lower chamber 12 to drive a piston driving cylinder 2 to ascend, further extruding three riveting blocks 4, enabling the riveting blocks 4 to overturn along hinged positions, extruding the gasket in three directions by a riveting head 41, and riveting the gasket on the bolt; after riveting, the upper chamber 11 is ventilated, the lower chamber 12 is exhausted to drive the piston driving cylinder 2 to descend, the riveting block 4 is loosened under the action of the return spring 5, and the product, the gasket and the bolt which are riveted together are taken out to complete riveting.

The above examples are provided for further illustration of the present invention, but do not limit the present invention to these specific embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be understood as being within the protection scope of the present invention.

Claims

1. The utility model provides a gasket riveting device which characterized in that: comprises a cylinder body (1), a piston driving cylinder (2) and a central column (3); one end of the central column (3) is fixedly connected with the bottom end of the cylinder body (1), and the other end of the central column penetrates through the other end of the cylinder body (1); the piston driving cylinder (2) is sleeved on the central column (3), the piston driving cylinder (2) is connected to the central column (3) in a sliding mode, one end of the piston driving cylinder (2) is located in the cylinder body (1) in a sliding mode, and the interior of the cylinder body (1) is divided into an upper cavity (11) and a lower cavity (12); a placing groove (31) is formed in the top end of the central column (3), and a yielding hole (32) is formed in the center of the placing groove (31); the riveting device is characterized in that three riveting blocks (4) in an annular array are arranged at the top end of the central column (3), the bottom ends of the riveting blocks (4) are hinged to the central column (3), a rivet head (41) is arranged at the top end of each riveting block (4), and the rivet head (41) faces to the abdicating hole (32); a reset spring (5) is arranged between one end, close to the rivet head (41), of the riveting block (4) and the central column (3), and the riveting block (4) is located between the piston driving cylinder (2) and the central column (3).

2. A gasket riveting apparatus according to claim 1, wherein: the top end of the cylinder body (1) is provided with a driving cylinder adjusting mechanism.

3. A gasket riveting apparatus according to claim 2, wherein: the driving cylinder adjusting mechanism comprises a baffle (6) and an adjusting nut (7); the baffle (6) is connected above the cylinder body (1), and the piston driving cylinder (2) penetrates through the baffle (6); the piston driving cylinder (2) is provided with an external thread section (21) at the position of the baffle (6), the adjusting nut (7) is in threaded connection with the external thread section (21), and the adjusting nut (7) is positioned below the baffle (6).

4. A gasket riveting apparatus according to any one of claims 1 to 3, wherein: an upper air inlet head (13) and a lower air inlet head (14) are arranged on one side of the cylinder body (1), the upper air inlet head (13) is communicated with the upper chamber (11), and the lower air inlet head (14) is communicated with the lower chamber (12).

5. A gasket riveting apparatus according to claim 4, wherein: the piston driving cylinder (2), the central column (3) and the abdicating hole (32) are all coaxially arranged.

6. A gasket riveting apparatus according to claim 5, wherein: sealing rings are arranged on the bottom end of the piston driving cylinder (2) and the contact sides of the center column (3) and the cylinder body (1); and the contact side of the top end of the cylinder body (1) and the piston driving cylinder (2) is provided with another sealing ring.