CN114714064B

CN114714064B - Knuckle bearing rolling tool

Info

Publication number: CN114714064B
Application number: CN202210497817.9A
Authority: CN
Inventors: 马西镇; 李天助; 沈慧兴; 陈光新; 张俊; 陈成; 杨骏
Original assignee: Nanjing Chenguang Group Co Ltd
Current assignee: Nanjing Chenguang Group Co Ltd
Priority date: 2022-05-06
Filing date: 2022-05-06
Publication date: 2023-07-18
Anticipated expiration: 2042-05-06
Also published as: CN114714064A

Abstract

The invention discloses a knuckle bearing rolling tool which comprises a pressure connection tool, a rolling head, a rolling cushion block and cushion blocks, wherein different rolling cushion blocks and rolling heads are designed according to the sizes of knuckle bearings of different bolt pieces, the rolling cushion blocks are detachable and replaceable, the rolling head is provided with rolling grooves with different specifications and is used in groups with the rolling cushion blocks, the pressed bolt pieces are placed between the rolling head and the rolling cushion blocks, rolling operation is completed through rotation and pressure of the rolling head, and the pressure connection tool is connected with a press head of a press machine, so that the pressure is transmitted to the rolling head through the tool, and the pressure operation is completed. The invention is mainly used for automatic rolling operation of bolt pieces, the rolling tool design adopts a generalized design concept, the existing joint bearing model is considered, the requirement of rolling of the bolt piece joint bearing on the realization of the generalization of the rolling tool of various joint bearings is met, the rolling efficiency is greatly improved, meanwhile, the design difficulty of the tool is reduced, and the tool with the corresponding model is convenient for operators to replace.

Description

Knuckle bearing rolling tool

Technical Field

The invention belongs to the field of servo mechanism assembly, and particularly relates to a knuckle bearing rolling tool.

Background

The automatic press-fitting rolling joint bearing closing technology has the advantages of automatic rolling conditions, more types of existing joint bearings and non-uniform specifications.

At present, the knuckle bearing rolling technology mainly relies on manual handling of a hand press to compress the fixed edge of the knuckle bearing, and then steel balls are used for rolling the periphery of a V-shaped groove, so that the groove edge is tightened to wrap the knuckle bearing, and the fixation of the knuckle bearing is realized. As shown in fig. 1, in the existing process method, firstly, a rolled workpiece is placed in a special rolling tool, steel balls are placed and smeared with vaseline for lubrication, then, a hand press 8 is rotated to press the pressed workpiece 9 and bear force, the rolled workpiece is rotated for three weeks, the hand press is continuously rotated to continuously bear force along with the forced deformation of the rolled workpiece, then the rolled workpiece is rotated, and after the completion, the hand press is loosened, the workpiece is taken out, cleaned and the rolling condition is checked. The process method has long operation time and poor process consistency.

Disclosure of Invention

The invention aims to provide a knuckle bearing rolling tool, which improves the knuckle bearing rolling efficiency and is suitable for the rolling effect of various knuckle bearings.

The technical solution for realizing the purpose of the invention is as follows: a knuckle bearing rolling tool comprises a pressure connection tool, a rolling head, a rolling cushion block and a cushion block; the cushion block is a rolling tool bearing body and is placed on the table top of the press; the rolling head is provided with rolling grooves of different specifications and is used with the rolling cushion blocks in groups, a pressed bolt piece is placed between the rolling head and the rolling cushion blocks, rolling operation is completed through rotation and pressure of the rolling head, a pressure connection tool is connected with a press head, pressure is transmitted to the rolling head through the tool, pressure operation is completed, and a thrust bearing is arranged inside the pressure connection tool and used for completing rotation of the rolling head in the pressure process.

Further, the pressure connection tool mainly comprises a press connector, a thrust bearing and a rotary pressure head, wherein the press connector is connected with a press, and pressure generated by the press is transmitted to the rotary pressure head through the thrust bearing and then transmitted to the press mounting tool.

Further, the rolling head is connected with the V-shaped groove of the pressed bolt.

Further, the pressed bolt piece is placed on the rolling cushion block, the outer diameter of the fixed shaft extending out of the rolling head is the same as the inner hole of the knuckle bearing, and the center of the pressed bolt piece is ensured to be coincident with the center of the rolling head.

Further, the cushion block is arranged at the center of the table top of the press machine.

Further, the top of the cushion block is provided with a mounting hole for fixing the rolling cushion block.

Furthermore, the side surface of the cushion block is provided with a pin hole, and a pin is inserted into the pin hole to prevent the bolt from driving the rolling cushion block to rotate when rolling.

Further, different rolling cushion blocks and rolling heads are designed according to the sizes of the joint bearings of different bolt pieces, and the rolling cushion blocks are detachable and replaceable.

Compared with the prior art, the invention has the remarkable advantages that: the rolling tool design adopts a generalized design concept, and the model of the existing joint bearing is considered, so that the requirement of rolling of the bolt joint bearing on the rolling tool for various joint bearings is met, the rolling efficiency is greatly improved, meanwhile, the design difficulty of the tool is reduced, and the operator can conveniently replace the tool with the corresponding model.

Drawings

Fig. 1 is a schematic diagram of a conventional knuckle bearing rolling tooling.

Fig. 2 is a structural diagram of a rolling tool.

Fig. 3 is a structural diagram of the pressure connection tooling.

Fig. 4 is a structural diagram of the rolling tool.

Fig. 5 is a structural diagram of a rolling head.

Fig. 6 is a block diagram of a block tooling.

Reference numerals illustrate: 1-press machine connecting tool 2-rolling head 3-rolling cushion block 4-cushion block 5-press machine connector 6-thrust bearing 7-rotary press head 8-hand press machine 9-pressed workpiece 13-hydraulic cushion block mounting hole 14-pin hole 15-cushion block fixing part

Detailed Description

As shown in fig. 2 to 6, the invention provides a knuckle bearing rolling tool, which mainly comprises a pressure connection tool 1, a rolling head 2, a rolling cushion block 3 and a cushion block 4; the cushion block 4 is a rolling tool bearing body and is placed at the center of a table top of the press machine, different rolling cushion blocks 3 and rolling heads 2 are designed according to the sizes of joint bearings of different bolt pieces, the rolling cushion blocks can be disassembled and replaced, in order to prevent the cushion blocks from rotating, the rolling cushion blocks 3 and the cushion blocks 4 are connected through pins, rolling heads 2 are provided with rolling grooves of different specifications, the rolling grooves are located at the bottoms of the rolling heads and are used in groups with the rolling cushion blocks 3, the pressed bolt pieces are placed between the rolling heads 2 and the rolling cushion blocks 3, rolling operation is completed through the rotation and the pressure of the rolling heads 2, the pressure connection tool 1 is connected with the press machine pressure head, the pressure is transmitted to the rolling heads 2 through the tool, the pressure operation is completed, and a thrust bearing is arranged in the pressure connection tool, and the rolling head 2 in the pressure process can be completed.

The pressure connection tool is mainly used for connecting a press machine and simultaneously transmitting pressure and mainly comprises a press machine connector 5, a thrust bearing 6, a rotary pressure head 7 and a threaded connection, wherein the press machine connector 5 is connected with the press machine, pressure generated by the press machine is transmitted to the rotary pressure head 7 through the thrust bearing 6 and then transmitted to the press mounting tool, and the press machine connector 5 cannot rotate, so that the thrust bearing 6 is additionally arranged in the middle to prevent the press machine pressure head from being damaged.

The rolling tool mainly comprises a rolling head 2 and a rolling cushion block 3, wherein the rolling head 2 is mainly used for being connected with a V-shaped groove of a bolt, pressure is applied to the rolling head 2, the rolling head 2 is rotated simultaneously, the purpose of closing up the V-shaped groove of the bolt is achieved, the bolt is placed on the rolling cushion block 3, the outer diameter of a fixing shaft extending out of the rolling head 2 is identical to that of an inner hole of a joint bearing, the center of the bolt is guaranteed to be coincident with the center of the rolling head 2, the rolling cushion block 3 is prevented from being biased, the rolling cushion block 3 is matched with the cushion block 4, and the rolling heads 2 and the rolling cushion blocks 3 of different types are only required to be replaced for adapting to rolling of bolts of different types, so that the universality of the tool is improved, and the convenience of operation is improved. Wherein the knuckle bearing is rolled into the interior of the bolt member.

The cushion part is mainly connected with the stress surface of the press, the cushion is guaranteed to be positioned at the center position relative to the stress surface of the press through the cushion fixing part 15, meanwhile, the cushion 4 is guaranteed to be relatively horizontal, the hydraulic cushion block mounting hole 13 is mainly responsible for fixing the tooling for rolling the cushion block 3, the size of the hole is fixed, when the rolling of bolt pieces of different types is replaced, an operator only needs to replace the rolling cushion block 3, the operation is convenient, meanwhile, a pin is inserted into the pin hole 14, and the bolt pieces are prevented from rotating when being rolled.

Through verification, the production efficiency is improved by 8 times after the process is optimized, and the problems of non-universality, low efficiency and the like of the knuckle bearing rolling tool are effectively solved.

The joint bearing rolling tool provided by the invention is suitable for automatic rolling of joint bearings of different types, realizes the universalization of the rolling tool of various joint bearings, greatly improves the rolling efficiency, reduces the design difficulty of the tool, and is convenient for operators to replace the tool of corresponding types.

The above embodiments are only for illustrating the technical idea of the present invention, and the protection scope of the present invention is not limited by the above embodiments, and any modification made on the basis of the technical scheme according to the technical idea of the present invention falls within the protection scope of the present invention; the technology not related to the invention can be realized by the prior art.

Claims

1. The knuckle bearing rolling tool is characterized by comprising a pressure connection tool (1), a rolling head (2), a rolling cushion block (3) and a cushion block (4); the cushion block (4) is a rolling tool bearing body and is placed on the table top of the press machine; the utility model discloses a rolling press is characterized by comprising a rolling press head (2), a rolling cushion block (4), a pin hole is formed in the side face of the rolling cushion block (4), a pin is inserted between the rolling press cushion block (3) and the cushion block (4) through pin connection, a bolt piece is prevented from driving the rolling press cushion block (3) to rotate during rolling, rolling press heads (2) are provided with rolling grooves of different specifications and are used in groups with the rolling press cushion block (3), the outer diameter of a fixed shaft extending out of the rolling press heads (2) is identical to that of an inner hole of a joint bearing, the center of the rolling press head (2) is guaranteed to coincide with the center of the rolling press head, rolling operation is completed through rotation and pressure of the rolling press heads (2), a pressure connection tool (1) is connected with a press head, pressure is transmitted to the rolling press heads (2) through the tool, and a thrust bearing (6) is arranged inside the pressure connection tool (1) and used for completing the rotation of the rolling press heads (2) in the pressure process.

2. The knuckle bearing rolling tooling according to claim 1, characterized in that the pressure connection tooling (1) mainly comprises a press connector (5), a thrust bearing (6) and a rotary press head (7), wherein the press connector (5) is connected with a press, and the pressure generated by the press is transmitted to the rotary press head (7) through the thrust bearing (6) and then to the press mounting tooling.

3. The knuckle bearing rolling tooling according to claim 1 or 2, characterized in that the rolling head (2) is connected with a V-groove of the pressed bolt.

4. The knuckle bearing rolling tooling of claim 1, wherein the spacer (4) is placed in a center position of a press table.

5. The knuckle bearing rolling tool according to claim 4, characterized in that the top of the spacer block (4) is provided with a mounting hole for fixing the rolling spacer block (3).

6. The knuckle bearing rolling tool according to claim 1 or 2, characterized in that different rolling cushion blocks (3) and rolling heads (2) are designed according to different bolt joint bearing sizes, and the rolling cushion blocks (3) are detachable and replaceable.