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CN-121972940-A - Bearing assembly fixture

CN121972940ACN 121972940 ACN121972940 ACN 121972940ACN-121972940-A

Abstract

The invention relates to the field of bearing assembly, in particular to a bearing assembly fixture. The bearing assembly tool comprises a support, a storage plate, a hydraulic system, a carrier positioning unit and a bearing positioning unit, wherein the support is provided with the storage plate and the hydraulic system is used for pressing and assembling a bearing, the carrier positioning unit consists of a first driving part and a plurality of annularly-distributed first fixing parts, each first fixing part is driven to move in the radial direction through the first driving part and position a carrier provided with the bearing, and the bearing positioning unit consists of a second driving part and the second fixing part. In the bearing assembly tool provided by the invention, the carrier positioning unit and the bearing positioning unit can respectively position the carrier and the bearing so as to improve the stability during assembly of the carrier and the bearing, and the butt joint precision between the bearing and the carrier can be further improved, so that the bearing assembly tool is more convenient to process after the bearing assembly tool is used for further improving the processing precision.

Inventors

  • Mao Saisai
  • LI HANGQI
  • MENG LULU
  • YAO WANJUAN

Assignees

  • 浙江赛赛轴承有限公司

Dates

Publication Date
20260505
Application Date
20260105

Claims (10)

  1. 1. The utility model provides a bearing assembly fixture, includes support (1), installs on support (1) and puts thing board (3) and be used for pressing the hydraulic system (2) of assembly to the bearing, its characterized in that still includes: a carrier positioning unit (4) and a bearing positioning unit (5); The carrier positioning unit (4) consists of a first driving part (41) and a plurality of annularly-distributed first fixing parts (42), and drives each first fixing part (42) to move along the radial direction through the first driving part (41) and positions a carrier provided with a bearing; The bearing positioning unit (5) is formed by combining a second driving part (51) and a second fixing part (42), and drives the second fixing part (42) to move through the second driving part (51) and positions the bearing, so that the center of the bearing completely corresponds to the center of the carrier.
  2. 2. The bearing assembly fixture according to claim 1, wherein a through hole is formed in the center of the object placing plate (3), a plurality of first sliding ways (31) which are annularly distributed with the through hole as a center are further formed in the side portion of the object placing plate (3), the first sliding ways (31) are in a strip shape, the length direction is along the radial direction of the through hole, and first sliding grooves (32) along the length direction are further formed in the inner wall of the first sliding ways (31).
  3. 3. Bearing assembly tooling according to claim 2, wherein the first drive part (41) comprises: The first motor (411) is arranged on the bracket (1), and the output end of the first motor (411) is connected with the driving chain wheel (412); the adjusting disc (413) rotates at the lower end of the object placing plate (3), a plurality of second slide ways (414) which are annularly distributed and are in one-to-one correspondence with the first slide ways (31) are arranged at the upper end of the adjusting disc (413), the second slide ways (414) are arc-shaped, one end of each second slide way is close to the center of the adjusting disc (413), and the other end of each second slide way is close to the edge of the adjusting disc (413); and a driven chain ring (415) fixed at the lower end part of the adjusting disc (413), wherein a transmission chain (416) is arranged between the driven chain ring (415) and the driving chain wheel (412).
  4. 4. A bearing assembly fixture according to claim 3, wherein the first fixing part (42) comprises: The first sliding seat (421) slides in the first sliding way (31), and the side part of the first sliding seat (421) is also provided with a first sliding rail (424) matched with the first sliding groove (32); The transmission pin (422) is vertically fixed at the lower end part of the first sliding seat (421), and the transmission pin (422) also extends into the second sliding way (414); the first pressing plate (423) is fixed on the first sliding seat (421) through bolts and is used for extruding the carrier.
  5. 5. Bearing assembly tooling according to claim 4, wherein the second drive part (51) comprises: a transmission ring (511), wherein the circumferential inner wall of the transmission ring (511) is provided with first teeth (512); The plurality of tooth rollers (514) are annularly distributed, the tooth rollers (514) are meshed with first teeth (512) on the inner wall of the transmission ring (511), and one tooth roller (514) is also coaxially fixed at the output end of the second motor (513); The transmission plates (515) are in an I shape, the transmission plates (515) are provided with second teeth (516) meshed with the tooth rollers (514), and the transmission plates (515) are driven to move along the radial direction of the transmission ring (511) through the tooth rollers (514).
  6. 6. The bearing assembly fixture according to claim 5, wherein the transmission plate (515) is located above the transmission ring (511), and the toothed roller (514) is engaged with both the transmission ring (511) and the transmission plate (515).
  7. 7. The bearing assembly tooling of claim 6, wherein the second fixing portion (52) comprises: The mounting seat (521) is fixed at one end of the transmission plate (515), a second chute (522) is additionally arranged at the position, close to the edge, of one side of the mounting seat (521), a positioning groove (523) is additionally arranged at the position, close to the center, of the mounting seat (521), and a screw (524) positioned in the positioning groove (523) is also rotationally connected to the mounting seat (521); one side of the second sliding seat (525) is provided with a second sliding rail (527) which is matched with the second sliding groove (522) and the locating groove (523), and the connecting seat (526), the screw (524) also penetrates through the connecting seat (526) and is in threaded connection with the connecting seat, and a second pressing plate (528) is also fixed on the other side of the second sliding seat (525) through bolts.
  8. 8. The bearing assembly tooling of claim 7, wherein the second platen (528) is located above the first platen (423) and the second platen (528) is further driven to move in a vertical direction by a screw (524).
  9. 9. The bearing assembly tool according to claim 8, wherein the bearing positioning unit (5) further comprises a plurality of positioning frames (53) which are annularly distributed by taking the object placing plate (3) as a circle center, the positioning frames (53) comprise foot plates (531) which are fixed on the side parts of the object placing plate (3) through bolts, one sides of the foot plates (531) are fixedly provided with support plates (532), the other ends of the support plates (532) are fixedly provided with annular limiting support plates (533), the cross section of each limiting support plate (533) is L-shaped, and a plurality of annularly distributed positioning ports (534) are additionally formed in each limiting support plate (533).
  10. 10. The bearing assembly fixture according to claim 9, wherein the transmission ring (511) rotates inside the limit supporting plate (533), and the transmission plate (515) penetrates through the positioning opening (534) and is slidably connected with the positioning opening.

Description

Bearing assembly fixture Technical Field The invention relates to the field of bearing assembly, in particular to a bearing assembly fixture. Background The bearing is a very important part in mechanical equipment, and has the functions of supporting a mechanical rotating body, reducing friction coefficient in the motion process and ensuring rotation precision. Bearings are commonly used to connect rotating and stationary components in a machine that are subject to loads from various directions, allowing the machine to operate smoothly and efficiently. And the bearing assembly fixture is a professional tool for installing, detaching and adjusting the bearing. The bearing assembly device can help workers to complete assembly work of the bearing more conveniently and efficiently, and meanwhile, the quality and the precision of assembly are guaranteed. The bearing mounting device comprises a bearing puller, a bearing press, a bearing heater, a bearing positioning tool and a bearing adjusting tool, wherein the bearing is pressed to a carrier in a hydraulic mode for the bearing press, so that the bearing is mounted. However, the following drawbacks and disadvantages exist in the implementation process: the position that corresponds the pneumatic cylinder in the bearing press sets up a plate body, and this plate body is used for putting carrier and bearing, but does not possess and carries out the structure of accurate location to carrier and bearing, consequently when initially putting, the deviation appears easily between bearing and the carrier, leads to follow-up bearing to extrude when, more laborious, influences complex precision simultaneously. Therefore, it is necessary to provide a new bearing assembly fixture to solve the above technical problems. Disclosure of Invention In order to solve the technical problems, the invention provides a bearing assembly fixture. The invention provides a bearing assembly tool, which comprises a bracket, wherein a storage plate and a hydraulic system for press-assembling a bearing are arranged on the bracket, and the bearing assembly tool further comprises: a carrier positioning unit and a bearing positioning unit; The carrier positioning unit consists of a first driving part and a plurality of first fixing parts which are annularly distributed, and drives each first fixing part to move along the radial direction through the first driving part, and positions a carrier provided with a bearing; The bearing positioning unit is composed of a second driving part and a second fixing part, drives the second fixing part to move through the second driving part, and positions the bearing so that the center of the bearing completely corresponds to the center of the carrier. Preferably, the center of the object placing plate is provided with a through hole, the side part of the object placing plate is also provided with a plurality of first slide ways which are annularly distributed by taking the through hole as a circle center, the first slide ways are in a strip shape, the length direction is along the radial direction of the through hole, and the inner wall of the first slide ways is also provided with first slide grooves along the length direction. Preferably, the first driving part includes: the first motor is arranged on the bracket, and the output end of the first motor is connected with a driving chain wheel; The adjusting plate is rotated at the lower end of the storage plate, a plurality of second slide ways which are annularly distributed and correspond to the first slide ways one by one are arranged at the upper end of the adjusting plate, the second slide ways are arc-shaped, one end of each second slide way is close to the center of the adjusting plate, and the other end of each second slide way is close to the edge of the adjusting plate; And the driven chain ring is fixed at the lower end part of the adjusting disc, and a transmission chain is further arranged between the driven chain ring and the driving chain wheel. Preferably, the first fixing part includes: The first sliding seat slides in the first sliding way, and the side part of the first sliding seat is also provided with a first sliding rail matched with the first sliding groove; The transmission pin is vertically fixed at the lower end part of the first sliding seat and also extends into the second sliding way; the first pressing plate is fixed on the first sliding seat through bolts and used for extruding the carrier. Preferably, the second driving part includes: The circumferential inner wall of the transmission ring is provided with first teeth; the plurality of tooth rollers are annularly distributed and meshed with the first teeth on the inner wall of the driving ring, and one tooth roller is also coaxially fixed at the output end of the second motor; The transmission plate is a plurality of I-shaped, is provided with second teeth meshed with the toothed rollers, and drives the transmission plate to mo