CN211990606U

CN211990606U - Riveting device

Info

Publication number: CN211990606U
Application number: CN202020230173.3U
Authority: CN
Inventors: 陶广旭; 任亮亮; 方俊
Original assignee: Zhejiang Linix Motor Co Ltd
Current assignee: Zhejiang Linix Motor Co Ltd
Priority date: 2020-02-29
Filing date: 2020-02-29
Publication date: 2020-11-24
Anticipated expiration: 2030-02-28

Abstract

The utility model aims at providing a riveting device convenient to pressure head and quilt are thrown off between riveting spare part to the pressure head resets. In order to achieve the above purpose, the utility model adopts the following technical scheme: the riveting device comprises a press, wherein a riveting component is arranged at the output end of the press, the riveting component comprises a press head, the upper end of the press head is fixedly connected with the output end of the press, a plurality of riveting protrusions are arranged on the lower side of the press head, the riveting protrusions comprise lower end faces located on the lower side and side faces located on the circumferential side, the lower edges of the side faces are connected with the edges of the lower end faces, and part or all of the side faces extend from bottom to top gradually to the circumferential inner side so that part or all of the side faces are inclined, and an acute angle is formed between the inclined side faces and the lower end faces.

Description

Riveting device

Technical Field

The utility model relates to a riveting device.

Background

The bearing is often fixed on aluminium system end cover through the mode of riveting, as shown by fig. 1 and fig. 2, aluminium system end cover 1 has the bearing fixed slot to axial one side open-ended, press in the bearing fixed slot and be equipped with bearing 2, be equipped with annular on the axial face of aluminium system end cover 1 and wait to rivet protruding ring 11, treat that rivet protruding ring 11 carries out the riveting through the riveting arch of pressure head downside, so that wait that the riveting point department of riveting protruding ring is inboard and the outside deformation of circumference and extension, in order to be formed with square bulge 12 that has certain tensile strength and shear strength, square bulge 12 is located the outer lane axial side of bearing 2, can play the axial limiting displacement of bearing 2.

Since the collar 11 to be riveted is free of any obstacle both on the circumferential inside and on the circumferential outside, the square projection does not extend upwards to stick on the side of the riveting projection closest to and remote from the bearing 2. Because it is annular to treat riveting bulge loop 11, the produced square projection 12 of riveting point pressurized can not extend with treating that the riveting is protruding to use the clockwise rotation direction side and to anticlockwise rotation direction side that uses the pressure head axis as the center to make the riveting protruding can block on treating riveting bulge loop 11, is difficult to throw off between pressure head and the end cover, can take the end cover when the pressure head upwards resets, so that the possibility that the end cover had the breakage.

Disclosure of Invention

The utility model aims at providing a riveting device convenient to pressure head and quilt are thrown off between riveting spare part to the pressure head resets.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the riveting device comprises a press, wherein a riveting component is arranged at the output end of the press, the riveting component comprises a press head, the upper end of the press head is fixedly connected with the output end of the press, a plurality of riveting protrusions are arranged on the lower side of the press head, the riveting protrusions comprise lower end faces located on the lower side and side faces located on the circumferential side, the lower edges of the side faces are connected with the edges of the lower end faces, and part or all of the side faces extend from bottom to top gradually to the circumferential inner side so that part or all of the side faces are inclined, and an acute angle is formed between the inclined side faces and the lower end faces.

The utility model discloses during the device uses, the aluminum product that riveting point department is located the protruding clockwise of riveting and anticlockwise slope side relatively warp and upwards extends, because the setting on inclined plane of slope, can the adhesion aluminum product on inclined plane of slope not less even, the restoration to the throne of pressure head will be more light, and the pressure head will break away from the end cover more easily to avoid the end cover to take up and break.

Preferably, the riveting bulges are annularly spaced by taking the vertical axis of the pressure head as a center, the side surfaces of the riveting bulges along the clockwise rotation direction side and the anticlockwise rotation direction side by taking the vertical axis of the pressure head as a center are obliquely arranged, and the side surfaces of the riveting bulges along the clockwise rotation direction side and the anticlockwise rotation direction side and the lower end surface form the acute angle.

As preferred, pressure head circumference outside cover is equipped with compression spring and pressure cover, pressure cover cross-section is the annular setting, the pressure head upper end is fixed with the fixed block, the end face contact under compression spring upper end and the fixed block, the compression spring lower extreme with press cover up end contact, it is equipped with the limit structure who mutually supports in order to avoid pressing the cover to break away from the pressure head downwards to press between cover and the pressure head under compression spring's effect, press cover down the plane of terminal surface place to be located the planar below of the protruding terminal surface place of lower extreme of riveting.

When the riveting bulge under the pressure head rivets the to-be-riveted convex ring on the end cover, the pressing sleeve can be pressed on the axial surface of the end cover, so that the situation that the end cover is stressed to bounce instantly to enable the end cover to move radially can be avoided, and the riveting precision is improved. When the pressure head resets, the fixed block has the trend power of rebound by the compression spring influence, and fixed block and pressure head are together fixed, can be convenient for the resetting of pressure head to make the separation of riveting arch and end cover under the pressure head more swift.

Preferably, the limiting structure comprises an upper limiting block arranged on the inner wall of the pressing sleeve and a lower limiting block arranged on the pressing head, the upper end of the inner wall of the pressing sleeve extends towards the circumferential inner side to form the upper limiting block, and the pressing head is provided with the lower limiting block which is positioned on the lower side of the upper limiting block to support the upper limiting block at the deviated upper end. The arrangement prevents the pressure head and the pressure sleeve from being separated from each other.

Preferably, the inner wall of the pressing sleeve extends towards the circumferential inner side to form the annular upper limiting block, the circumferential outer wall of the pressing head extends towards the circumferential outer side to form the lower limiting block, and the outer edge of the cross section of the lower limiting block and the inner edge of the cross section of the pressing sleeve at the position deviated from the upper limiting block are in the same shape and are in circular arrangement. The upper limiting block is annular so that the contact area between the upper limiting block and the lower limiting block is larger, and the anti-falling effect is improved. The shape of the inner edge of the section of the pressing sleeve is the same as that of the outer edge of the section of the lower limiting block, so that the pressing sleeve can slide up and down conveniently, the gap between the pressing sleeve and the lower limiting block can be smaller, and the radial moving distance of the pressing sleeve is smaller.

As preferred, pressure head circumference outer wall upper end is equipped with the external screw thread structure, the fixed block cross-section is the annular setting and the cover is established and is fixed in the pressure head circumference outside, fixed block circumference inner wall be equipped with external screw thread structure matched with internal thread structure, the axial length of external screw thread structure is greater than internal thread structure's axial length. The elastic force of the compression spring can be adjusted by adjusting the upper and lower positions of the fixing block relative to the pressure head.

The utility model has the advantages of be convenient for the pressure head with by throw off between the riveting spare part to the pressure head resets.

Drawings

FIG. 1 is a schematic structural view of a to-be-riveted male ring of an aluminum end closure before riveting;

FIG. 2 is a schematic view of a configuration of an aluminum end cap after riveting of a protrusion to be riveted;

fig. 3 is an exploded view of the rivet pressing assembly of the present invention;

fig. 4 is a cross-sectional view of the rivet pressing assembly of the present invention;

fig. 5 is a perspective view of the riveting assembly of the present invention;

fig. 6 is an enlarged view of a portion a in fig. 3.

Detailed Description

The invention will be further described with reference to the drawings and the specific embodiments.

By figure 3 to figure 6, the utility model discloses a riveting device, including the press, the press output is equipped with riveting subassembly 3, riveting subassembly 3 includes pressure head 31, pressure head 31 upper end is connected fixedly with the press output, pressure head 31 downside is equipped with a plurality of riveting arch 32, riveting arch 32 is including the lower terminal surface 321 that is located the downside and the side that is located the circumference side, the side lower edge all meets with lower terminal surface 321 edge, the side includes slope side 322, slope side 322 extends to riveting arch 32 circumference inboard by supreme gradually down, a plurality of riveting arch 32 are the annular interval who uses pressure head 31 vertical axis as the center, slope side 322 is including being located the side and the side of anticlockwise rotation direction side of the clockwise rotation direction side that uses pressure head 31 vertical axis as the center of pressure head 32 edge, slope side 322 constitutes the acute angle with lower terminal surface 321.

The pressure head 31 circumference outside cover is equipped with compression spring 33 and pressure cover 34, pressure cover 34 cross-section is the annular setting, the pressure head 31 upper end is fixed with fixed block 35, compression spring 33 upper end and the lower terminal surface contact of fixed block 35, compression spring 33 lower extreme and the contact of the upper end surface of pressure cover 34, be equipped with the limit structure who mutually supports in order to avoid pressure cover 34 to break away from pressure head 31 downwards between pressure cover 34 and pressure head 31, under compression spring 33's effect, the plane that the terminal surface place under the pressure cover 34 lies in the planar below of the terminal surface place under the riveting arch 32.

The limiting structure comprises an upper limiting block 341 arranged on the inner wall of the pressing sleeve 34 and a lower limiting block 311 arranged on the pressing head 31, the upper end of the inner wall of the pressing sleeve 34 extends towards the inner circumferential side to form the upper limiting block 341, and the position of the pressing head 31 deviating from the upper end is provided with the lower limiting block 311 which is positioned on the lower side of the upper limiting block 341 to support the upper limiting block 341. The inner wall of the pressing sleeve 34 extends towards the circumferential inner side to form the annular upper limiting block 341, the circumferential outer wall of the pressing head 31 extends towards the circumferential outer side to form the lower limiting block 311, and the outer edge of the cross section of the lower limiting block 311 and the inner edge of the cross section of the pressing sleeve 34 deviated from the upper limiting block 341 are in the same shape and are in circular arrangement.

The pressure head 31 circumference outer wall upper end is equipped with external screw thread structure 312, and the fixed block 35 cross-section is the annular setting and establishes and fix in the pressure head 31 circumference outside, fixed block 35 circumference inner wall be equipped with external screw thread structure 312 matched with internal thread structure, the axial length of external screw thread structure 312 is greater than internal thread structure's axial length.

When the device of the utility model is used, when the riveting bulge contacts with the aluminum end cover for riveting,

the aluminium product that the department of riveting is located the protruding clockwise direction of riveting and the slope side of anticlockwise relatively warp and upwards extends, because the setting on inclined plane, can the adhesion the aluminium product on inclined plane less or not, the restoration of pressure head will be more light, and the pressure head will break away from the end cover more easily to avoid the end cover to take up to break.

Claims

1. The riveting device is characterized by comprising a press, wherein a riveting component is arranged at the output end of the press, the riveting component comprises a press head, the upper end of the press head is fixedly connected with the output end of the press, a plurality of riveting protrusions are arranged on the lower side of the press head, the riveting protrusions comprise lower end faces located on the lower side and side faces located on the circumferential side, the lower edges of the side faces are connected with the edge of the lower end face, and part or all of the side faces extend from bottom to top gradually towards the circumferential inner side so as to enable part or all of the side faces to be inclined, so that an acute angle is formed between the inclined side faces and the lower.

2. The riveting device according to claim 1, wherein the plurality of riveting protrusions are annularly spaced around the vertical axis of the indenter, the side surfaces of the riveting protrusions along the clockwise rotation direction and the counterclockwise rotation direction around the vertical axis of the indenter are both obliquely arranged, and the side surfaces of the riveting protrusions along the clockwise rotation direction and the counterclockwise rotation direction and the lower end surface form the acute angle.

3. The riveting device according to claim 1, wherein a compression spring and a pressing sleeve are sleeved on the outer side of the circumferential direction of the pressing head, the cross section of the pressing sleeve is annularly arranged, a fixed block is fixed at the upper end of the pressing head, the upper end of the compression spring is in contact with the lower end face of the fixed block, the lower end of the compression spring is in contact with the upper end face of the pressing sleeve, a limiting structure is arranged between the pressing sleeve and the pressing head, the limiting structure is matched with the pressing sleeve to prevent the pressing sleeve from being separated from the pressing head downwards, and the plane of the lower end face of the pressing sleeve is located below the plane of the lower end face of the riveting protrusion under the action of.

4. The riveting and pressing device of claim 3, wherein the limiting structure comprises an upper limiting block arranged on the inner wall of the pressing sleeve and a lower limiting block arranged on the pressing head, the upper end of the inner wall of the pressing sleeve extends to the circumferential inner side to form the upper limiting block, and the pressing head is provided with the lower limiting block which is positioned at the lower side of the upper limiting block to support the upper limiting block at the position deviated from the upper end.

5. The riveting and pressing device of claim 4, wherein the inner wall of the pressing sleeve extends towards the circumferential inner side to form the upper limiting block in a ring shape, the circumferential outer wall of the pressing head extends towards the circumferential outer side to form the lower limiting block, and the outer edge of the cross section of the lower limiting block and the inner edge of the cross section of the pressing sleeve at the position deviated from the upper limiting block are in the same shape and are in circular arrangement.

6. The riveting device according to claim 3, wherein the upper end of the circumferential outer wall of the pressing head is provided with an external thread structure, the section of the fixed block is annularly arranged and sleeved on the circumferential outer side of the pressing head, the circumferential inner wall of the fixed block is provided with an internal thread structure matched with the external thread structure, and the axial length of the external thread structure is greater than that of the internal thread structure.