CN213671497U

CN213671497U - Multi-station riveting mechanism

Info

Publication number: CN213671497U
Application number: CN202022339332.6U
Authority: CN
Inventors: 俞泳; 谭明杰; 袁谋; 廖应吉; 许东
Original assignee: Chongqing Changjiang Bearing Co Ltd
Current assignee: Chongqing Changjiang Bearing Co Ltd
Priority date: 2020-10-19
Filing date: 2020-10-19
Publication date: 2021-07-13
Anticipated expiration: 2030-10-19

Abstract

The utility model discloses a multi-station riveting mechanism, which comprises a rotating disk, wherein a plurality of mounting holes are distributed on the rotating disk along the circumferential direction of the rotating disk, and riveting modules are arranged in the mounting holes; the riveting module comprises a guide ring arranged in the mounting hole, a bottom die is connected to the guide ring, and the retainer is arranged on the bottom die. The utility model discloses on arranging the holder in the base during use, through the riveting that the mould pushed down realization holder on the press drive, whole process operate alone the riveting press can, after one of them station riveting is accomplished, it is rotatory to drive the rotary disk through exogenic action, send into another station and carry out the riveting under the last mould on the press, reduced operating personnel's quantity when eliminating the potential safety hazard, improved the riveting efficiency and the riveting quality of holder.

Description

Multi-station riveting mechanism

Technical Field

The utility model relates to a bearing assembly technical field, concretely relates to multistation riveting mechanism.

Background

In the assembly process of the deep groove ball bearing, when the metal retainer is riveted manually in the riveting process, a press machine is usually adopted to apply pressure to the riveting die, and finally the retainer is riveted in place. At present, the process is usually equipped with 2 persons for operation (one person is responsible for swinging the retainer and the other person is responsible for riveting) in manual operation, the riveting assembly efficiency is lower, the cost is higher, and meanwhile, the hand of an operator needs to stretch into the press machine in the operation process, so that certain potential safety hazards exist.

Disclosure of Invention

To the technical problem that exists at present, the utility model provides a multistation riveting mechanism to solve the problem among the prior art.

In order to achieve the purpose of the invention, the utility model provides the following technical scheme:

a multi-station riveting mechanism comprises a rotating disc, wherein a plurality of mounting holes are distributed on the rotating disc along the circumferential direction of the rotating disc, and riveting modules are mounted in the mounting holes;

the riveting module comprises a guide ring arranged in the mounting hole, a bottom die is connected to the guide ring, and the retainer is arranged on the bottom die.

Preferably, the guide ring comprises a guide ring body embedded in the mounting hole, arc through grooves are distributed on the guide ring body along the circumferential direction of the guide ring body, and the fastener penetrates through the arc through grooves to connect the guide ring with the bottom die.

This scheme is connected the guide ring with the die block through the fastener, and the fastener passes the logical groove of arc, and when wearing and tearing appear in the die block use like this, the fastener can be adjusted in the logical groove of arc and adjust the cooperation position of die block and guide ring.

Preferably, the mounting hole is a stepped hole, and a guide pin is arranged on a step of the stepped hole and extends along the axial direction of the mounting hole;

the position that corresponds this uide pin on the uide ring body is equipped with the guiding hole, during the assembly, the uide pin stretches into in this guiding hole.

According to the scheme, through the matching of the guide hole and the guide pin, the relative rotation between the rotary table and the riveting module in the use process is avoided, and the positioning precision and the riveting precision are improved.

Preferably, blind holes are distributed on the end face, facing the rotating disc, of the guide ring body along the circumferential direction of the guide ring body, springs are arranged in the blind holes, one ends of the springs abut against the blind holes, and the other ends of the springs abut against steps of the mounting holes.

According to the scheme, a certain buffering force is provided through the spring, so that the riveting module can be prevented from generating friction wear or deformation due to long-time operation and direct contact of the rotating disc.

Preferably, a pressing plane is arranged on the side surface of the bottom die and is distributed along the circumferential direction of the bottom die;

and a pressing strip is arranged between every two adjacent riveting modules and connected to the rotating disc, and two ends of the pressing strip are respectively abutted to the pressing planes on the corresponding sides.

According to the scheme, the riveting module is limited through the pressing strip, and the positioning precision and the riveting precision are further improved.

Preferably, the pressing strip is integrally in an isosceles trapezoid structure, two waists of the isosceles trapezoid structure are respectively abutted to the pressing planes on the corresponding sides, a U-shaped groove is further formed in the pressing strip, and a fastener penetrates through the U-shaped groove and then is connected with the rotating disc.

Due to the design of the U-shaped groove, when the riveting module is worn, the bottom die is adjusted on the guide ring, and the position of the pressing strip on the rotating disc can be adjusted through the U-shaped groove, so that the positioning precision and the riveting precision are improved.

Preferably, the circumference of the rotating disk is provided with grooves, the grooves are connected with limiting blocks, the limiting blocks are provided with limiting holes, and the limiting holes extend along the radial direction of the rotating disk.

According to the scheme, after the external force acts on the rotating disc to rotate in place, the external positioning mechanism stretches into the limiting hole in the limiting block to limit the rotating disc, and the phenomenon that the position is deviated in the riveting process is avoided.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses on arranging the holder in the base during use, through the riveting that the mould pushed down realization holder on the press drive, whole process operate alone the riveting press can, after one of them station riveting is accomplished, it is rotatory to drive the rotary disk through exogenic action, send into another station and carry out the riveting under the last mould on the press, reduced operating personnel's quantity when eliminating the potential safety hazard, improved the riveting efficiency and the riveting quality of holder.

Description of the drawings:

fig. 1 is a front view of the present invention;

FIG. 2 is a cross-sectional view A-A of FIG. 1;

FIG. 3 is a cross-sectional view taken along line B-B of FIG. 1;

FIG. 4 is a partial view taken along line C of FIG. 1;

FIG. 5 is a front view of the rotary disk of FIG. 1;

FIG. 6 is a front view of the rivet module of FIG. 1;

FIG. 7 is a cross-sectional view E-E of FIG. 6;

FIG. 8 is a front view of the locating block of FIG. 1;

FIG. 9 is a cross-sectional view F-F of FIG. 8;

FIG. 10 is a front view of the guide ring of FIG. 1;

FIG. 11 is a cross-sectional view taken along line D-D of FIG. 10;

FIG. 12 is a front view of the molding of FIG. 1;

fig. 13 is a side view of fig. 12.

Detailed Description

The present invention will be described in further detail with reference to test examples and specific embodiments. However, it should not be understood that the scope of the above-mentioned subject matter is limited to the following embodiments, and all the technologies realized based on the present invention are within the scope of the present invention.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, unless otherwise specified and limited, it is to be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, mechanically or electrically connected, or may be connected between two elements through an intermediate medium, or may be directly connected or indirectly connected, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.

The multi-station riveting mechanism shown in the attached figures 1-13 comprises a rotating disk 1, wherein four mounting holes 11 are distributed on the rotating disk 1 along the circumferential direction of the rotating disk, or 1 or 2 or more mounting holes can be distributed, the mounting holes 11 are selected according to actual conditions, guide pins 15 are arranged on steps of the step holes, the guide pins 15 extend along the axial direction of the mounting holes 11, riveting modules are mounted in the mounting holes 11, screw holes 12 are formed in the rotating disk 1 between the two riveting modules, the screw holes 12 are connected with pressing strips 4 through fasteners, two ends of each pressing strip 4 respectively abut against the riveting modules on the corresponding side, flange connecting holes 14 are formed in the middle of the rotating disk 1, and the multi-station riveting mechanism is connected to a press machine through an external flange 7 during use.

Evenly distributed has a plurality of recesses 13 in the periphery of rotary disk 1, and recess 13 is along the radial extension of rotary disk 1, and this recess 13 is embedded to be equipped with stopper 5, passes through bolted connection between stopper 5 and the rotary disk 1, is equipped with spacing hole 52 on stopper 5, and this spacing hole 52 is along the radial extension of rotary disk 1, and the outer tip in spacing hole 52 is the horn mouth form to make things convenient for positioning mechanism's the income of stretching into.

As can be seen from fig. 6 and 7 in combination with fig. 1, 2 and 3, the riveting module comprises a guide ring 2 and a bottom die 3, the guide ring 2 comprises a guide ring body 20 embedded in the mounting hole 11, the guide ring body 20 is disc-shaped, a guide hole 25 is formed in the position, corresponding to the guide pin 15, of the guide ring body 20, during assembly, the guide pin 15 extends into the guide hole 25, relative rotation between the guide ring 2 and the rotating disk 1 in the using process is avoided, and the positioning accuracy is improved.

Three arc-shaped through grooves 21 are uniformly distributed on the guide ring body 20 along the circumferential direction of the guide ring body, fasteners 22 penetrate through the arc-shaped through grooves 21 to connect the guide ring 2 with the bottom die 3, the fasteners 22 can be bolts or other fastening structures, and the retainer 8 is connected to the bottom die 3. The provision of the arc-shaped through slot 21 allows the position of the bottom die 3 to be adjusted when the bottom die 3 is worn. A guide sleeve 31 is also arranged on the bottom die 3, and a pin on an upper die connected on a press machine can extend into the guide sleeve 31 in the riveting process.

Blind holes 23 are uniformly distributed on the end face of one end of the guide ring body 20 facing the rotating disk 1 along the circumferential direction of the guide ring body, springs 24 are arranged in the blind holes 23, one ends of the springs 24 abut against the blind holes 23 through magnetic steel, and the other ends of the springs abut against steps of the mounting holes 11. The spring 24 is arranged to prevent the riveting module from generating friction wear or deformation due to long-time operation and direct contact with the rotating disk 1, because the riveting module is stressed and transmitted to the rotating disk 1 in direct contact with the riveting module during riveting, the spring 24 can play a role in buffering.

The lateral surface of the bottom die 3 is provided with pressing planes 32, the pressing planes 32 are distributed along the circumferential direction of the bottom die 3, the pressing planes 32 extend along a vertical surface, and two ends of the pressing strip 4 respectively abut against the pressing planes 32 on the corresponding sides.

The whole pressing strip 4 is of an isosceles trapezoid structure, two waists of the isosceles trapezoid structure are respectively abutted to the pressing planes 32 of the corresponding sides, a U-shaped groove 41 is further formed in the pressing strip 4, and a bolt or a screw penetrates through the U-shaped groove 41 and then is connected with the screw hole 12 in the rotating disc 1.

During use, the retainer 8 is arranged on the bottom die 3, the press machine drives the upper die to press downwards to achieve riveting of the retainer, after riveting of one station is completed, the rotating disc is driven to rotate by external force, the process of riveting the retainer on the other station is achieved by repeating the process just before, and the riveting of the retainers on all stations is completed.

The foregoing describes preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.

Claims

1. The utility model provides a multistation riveting mechanism which characterized in that: the riveting die comprises a rotating disk (1), wherein a plurality of mounting holes (11) are distributed on the rotating disk (1) along the circumferential direction of the rotating disk, and riveting modules are mounted in the mounting holes (11);

the riveting module comprises a guide ring (2) arranged in the mounting hole (11), a bottom die (3) is connected to the guide ring (2), and a retainer (8) is arranged on the bottom die (3).

2. The multi-station riveting mechanism according to claim 1, wherein: the guide ring (2) comprises a guide ring body (20) embedded in the mounting hole (11), an arc-shaped through groove (21) is distributed on the guide ring body (20) along the circumferential direction of the guide ring body, and a fastener (22) penetrates through the arc-shaped through groove (21) to connect the guide ring (2) with the bottom die (3).

3. The multi-station riveting mechanism according to claim 2, wherein: the mounting hole (11) is a stepped hole, a guide pin (15) is arranged on a step of the stepped hole, and the guide pin (15) extends along the axial direction of the mounting hole (11);

the position of the guide ring body (20) corresponding to the guide pin (15) is provided with a guide hole (25), and during assembly, the guide pin (15) extends into the guide hole (25).

4. A multi-station riveting mechanism according to claim 3, wherein: blind holes (23) are distributed on the end face of one end, facing the rotating disc (1), of the guide ring body (20) along the circumferential direction of the guide ring body, springs (24) are arranged in the blind holes (23), one ends of the springs (24) abut against the interior of the blind holes (23), and the other ends of the springs abut against steps of the mounting holes (11).

5. The multi-station riveting mechanism according to claim 4, wherein: a pressing plane (32) is arranged on the side surface of the bottom die (3), the pressing plane (32) is distributed along the circumferential direction of the bottom die (3),

and a pressing strip (4) is arranged between two adjacent riveting modules, the pressing strip (4) is connected to the rotating disc (1), and two ends of the pressing strip (4) respectively abut against the pressing planes (32) on the corresponding sides.

6. The multi-station riveting mechanism according to claim 5, wherein: the pressing strip (4) is integrally of an isosceles trapezoid structure, two waists of the isosceles trapezoid structure are respectively abutted to the pressing plane (32) of the corresponding side, a U-shaped groove (41) is further formed in the pressing strip (4), and a fastener penetrates through the U-shaped groove (41) and then is connected with the rotating disc (1).

7. A multistation riveting mechanism according to any of claims 1-6, characterized in that: the circumference of rotary disk (1) is upwards distributed with recess (13), and this recess (13) in-connection has stopper (5), is equipped with spacing hole (52) on this stopper (5), and this spacing hole (52) are followed the radial extension of rotary disk (1).