CN223387823U

CN223387823U - Assembly fixture for bearing machining

Info

Publication number: CN223387823U
Application number: CN202422706383.6U
Authority: CN
Inventors: 赵成; 朱淋淋; 韩浩盛
Original assignee: Shanghai Bearing Technology Research Institute Co ltd
Current assignee: Shanghai Bearing Technology Research Institute Co ltd
Priority date: 2024-11-06
Filing date: 2024-11-06
Publication date: 2025-09-26
Anticipated expiration: 2034-11-06

Abstract

The utility model relates to the technical field of bearing machining and discloses an assembly fixture for bearing machining, which comprises an operation table, wherein a movable groove is formed in the operation table, a first rotating rod is rotatably arranged at the top of the movable groove, the bottom end of the first rotating rod extends out of the operation table, a third gear is fixedly sleeved on the outer wall of the first rotating rod, two first limiting grooves are formed in the inner wall of the bottom of the movable groove, and racks are respectively and slidably arranged at the tops of the two first limiting grooves. Through rotatory bull stick, bull stick one drives three rotations of gear, and gear three meshes with two racks one to drive two racks one and two grip blocks and carry out the horizontal left and right movement that is close to each other or keep away from, compare with traditional device, the design that adjusts grip block distance through rotatory bull stick one has apparent advantage, at first, it has realized quick, stepless regulation centre gripping width, need not to change anchor clamps or carries out complicated adjustment, has saved operating time and human cost greatly.

Description

Assembly fixture for bearing machining

Technical Field

The utility model relates to the technical field of bearing machining, in particular to an assembly tool for bearing machining.

Background

In the bearing processing field, the assembly fixture is used as one of key equipment, the performance and the efficiency of the assembly fixture directly influence the operation quality and the cost of the whole production line, the traditional bearing processing assembly fixture generally adopts a mode of directly placing the bearing on a stator for press mounting processing, the fixed processing mode can still show certain efficiency and stability when coping with the standardized and single-size bearing, however, as market demands are increasingly diversified, the specification and the size of the bearing also show diversified trend, the traditional assembly fixture is provided with serious challenges, the existing device always has no need of being in charge when facing the bearing with different sizes, and because the bearing with each size needs to be accurately matched with the bearing to ensure the stability and the accuracy in the press mounting process, an operator has to stop the current work to find and replace the corresponding stator when the bearing with different sizes is needed, the process is time-consuming and labor-consuming, the production cycle is increased, the overall production efficiency is influenced, and more serious, if the bearing is to be matched with the bearing with the complete size, the bearing is not needed to be mounted with the bearing, the quality is not to be completely matched with the bearing, the bearing is not damaged, and the quality is not needed to be completely, and the quality is not influenced when the bearing is mounted with the bearing with the complete size, and the bearing is required to be mounted with the bearing, and the bearing is not completely to be mounted with the bearing, and the bearing is required to be completely to be mounted with the quality.

Disclosure of utility model

In order to overcome the defects of the prior art, the utility model provides an assembly tool for bearing processing, which has the advantages of accurate positioning and rapid processing.

In order to achieve the above purpose, the assembly fixture for bearing machining comprises an operation table, wherein a movable groove is formed in the operation table, a first rotating rod is rotatably arranged at the top of the movable groove, the bottom end of the first rotating rod extends out of the operation table, a third gear is fixedly sleeved on the outer wall of the first rotating rod, two first limiting grooves are formed in the inner wall of the bottom of the movable groove, first racks are slidably arranged at the tops of the first limiting grooves respectively, the first racks are engaged with the gears in three phases, second limiting grooves are formed in the tops of the operation table, and the second limiting grooves are slidably connected with corresponding clamping blocks respectively.

As a preferable technical scheme of the utility model, an L-shaped frame is fixedly arranged at the top of the operating platform, a press fitting device is fixedly arranged on the inner wall of the top of the L-shaped frame, a mounting groove is formed in the bottom of the L-shaped frame, a rack II is slidably arranged at the top of the operating platform, a special-shaped groove is formed in the bottom of the rack II, a plurality of rotating rods II are rotatably arranged on the inner wall of the special-shaped groove, a ball is fixedly sleeved on the outer wall of the rotating rods II respectively, an arc-shaped groove is formed in the top of the operating platform, and the arc-shaped groove is slidably connected with the ball.

As a preferable technical scheme of the utility model, the top parts of the two racks are respectively and fixedly provided with a clamping block, two arc-shaped blocks are arranged between the two clamping blocks, and the clamping blocks corresponding to the two arc-shaped blocks are elastically connected through a plurality of spring damping rod assemblies.

As a preferable technical scheme of the utility model, a gear II is fixedly sleeved on the outer wall of the first rotating rod, a motor I is fixedly installed at the bottom of the operating platform, a gear I is fixedly installed on an output shaft of the motor I, and the gear I is meshed with the gear II.

As a preferable technical scheme of the utility model, a motor II is fixedly arranged on the inner wall of the top of the mounting groove, a tooth column I is fixedly arranged on the output shaft of the motor II, two T-shaped rods are rotatably arranged on the top of the operating platform, tooth columns II are fixedly sleeved on the outer walls of the two T-shaped rods respectively, the tooth column II on the left side is meshed with the tooth column I, and the two tooth columns II are meshed with the left side and the right side of the rack II.

As a preferable technical scheme of the utility model, the outer walls of the two T-shaped rods are wound with belts.

Compared with the prior art, the utility model has the following beneficial effects:

1. According to the utility model, the first rotating rod is rotated to drive the third gear to rotate, and the third gear is meshed with the first racks, so that the first racks and the second clamping blocks are driven to move horizontally and leftwards close to or far away from each other. Firstly, it has realized quick, stepless regulation centre gripping width, need not to change anchor clamps or carry out complicated adjustment, saved operating time and human cost greatly, because the continuous adjustability of centre gripping width, the device can easily adapt to the bearing of equidimension, different specifications to enlarged its range of application, improved universality and practicality, still strengthened the stability and the reliability of centre gripping in addition, in the centre gripping in-process, two grip blocks can exert force in the both sides of bearing uniformly, effectively avoided bearing damage or the machining error that leads to because of the centre gripping is uneven.

2. According to the utility model, the processing and unloading processes of the bearing can be seamlessly connected through the sliding installation design of the rack II, once the processing of the bearing is completed, the finished bearing can be easily pushed out to a designated position through driving the rack to move forwards, manual carrying is not needed, time is greatly saved, overall processing efficiency is improved, manual intervention is reduced by automatic operation, errors and delays caused by human factors are reduced, compared with a traditional device, the automatic pushing mechanism ensures that the processing position is immediately emptied after the bearing is pushed out, rapid positioning and processing of the next bearing are facilitated, disorder on a workbench is reduced, the neatness of the whole processing environment is improved, good working order is facilitated to be maintained, and working efficiency is improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the bottom structure of the present utility model;

FIG. 3 is a schematic view of an arcuate slot structure of the present utility model;

FIG. 4 is a schematic diagram of a movable trough structure according to the present utility model;

FIG. 5 is a schematic view of a clamping block according to the present utility model;

FIG. 6 is a schematic view of a left side cross-sectional structure of the present utility model;

FIG. 7 is a schematic view of a second embodiment of the rack of the present utility model;

FIG. 8 shows a variant of the utility model the groove structure is schematically shown.

The device comprises a first operating platform, a second motor, a first gear, a first 4, a first rotating rod, a second 5, a second 6, a third gear, a 7, a movable groove, a first 8, a first limiting groove, a second 9, a first rack, a 10, a clamping block, a 11, an arc-shaped block, a 12, a spring damping rod assembly, a second 13, a second limiting groove, a 14, an L-shaped frame, a 15, an installation groove, a 16, a second motor, a 17, a first tooth column, a 18, a T-shaped rod, a 19, a second tooth column, a 20, a belt, a 21, a second rack, a 22, a special-shaped groove, a 23, a second rotating rod, a 24, a ball, a 25, an arc-shaped groove, a 26 and a press fitting device.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 8, the utility model provides an assembly fixture for bearing processing, which comprises an operation table 1, wherein a movable groove 7 is formed in the operation table 1, a first rotating rod 4 is rotatably arranged at the top of the movable groove 7, the bottom end of the first rotating rod 4 extends out of the operation table 1, a third gear 6 is fixedly sleeved on the outer wall of the first rotating rod 4, two first limiting grooves 8 are formed in the inner wall of the bottom of the movable groove 7, first racks 9 are respectively and slidably arranged at the tops of the first limiting grooves 8, the first racks 9 are meshed with the third gear 6, second limiting grooves 13 are formed in the tops of the operation table 1, and the second limiting grooves 13 are in sliding connection with corresponding clamping blocks 10 respectively.

Through rotatory bull stick one 4, bull stick one 4 drives the rotation of gear three 6, and gear three 6 meshes with two racks one 9 to drive two racks one 9 and two grip blocks 10 and carry out the horizontal left and right movement that is close to each other or keep away from, compare with traditional device, the design of adjusting grip block 10 distance through rotatory bull stick one 4 has apparent advantage. Firstly, it has realized quick, stepless regulation centre gripping width, need not to change anchor clamps or carry out complicated adjustment, saved operating time and human cost greatly, because the continuous adjustability of centre gripping width, the device can easily adapt to the bearing of equidimension, different specifications, thereby enlarged its range of application, improved universality and practicality, still strengthened the stability and the reliability of centre gripping in addition, in the centre gripping in-process, two grip blocks 10 can exert the strength in the both sides of bearing uniformly, effectively avoided bearing damage or the machining error that leads to because of the centre gripping is uneven.

The processing personnel firstly place the bearing to be processed between two clamping blocks 10, in an initial state, the clamping blocks 10 are at the maximum distance to accommodate the bearing with the maximum size, the motor I2 and the motor II 16 are ensured to be in a standby state and ready to start at any time, firstly, the motor I2 is started, the output shaft of the motor I2 rotates to drive the gear I3 to rotate, the gear I3 is meshed with the gear II 5 to drive the gear II 5 and the rotating rod I4 to rotate together, the rotating rod I4 drives the gear III 6 to rotate, the gear III 6 is meshed with the two racks I9 to drive the two racks I9 to slide along the limiting groove I8, thereby driving the two clamping blocks 10 to be close to each other, in the process of the clamping blocks 10 being close, the two arc blocks 11 adapt to the size of the bearing through the elastic action of the spring damping rod piece 12, ensuring uniform clamping, after stably clamping a bearing to be processed, restarting a pressing device 26 at the top of the L-shaped frame 14, pressing the clamped bearing, wherein in the processing process, two clamping blocks 10 and an arc block 11 keep stable clamping of the bearing to prevent offset or damage, after the pressing is finished, stopping the operation of the pressing device 26, restarting a motor II 16, driving a tooth column I17 to rotate by an output shaft of the motor II 16, meshing the tooth column I17 with a tooth column II 19 at the left side, driving the tooth column II 19 at the left side to rotate, driving the tooth column II21 to slide along the top of the operating platform 1 due to the meshing of the two tooth columns II 19 with the left side and the right side of the tooth column II21, moving forwards, sliding a ball 24 at the bottom of the tooth column II21 in an arc groove 25, ensuring that the tooth column II21 moves steadily along with the forward movement of the tooth column II21, the rack II21 pushes out the finished bearing to a designated position, after the bearing is pushed out, the processing position is vacated, the rapid positioning and processing of the next bearing are facilitated, the motor II 16 can rotate reversely to drive the rack II21 to reset to the initial position, the rotating rod I4 is rotated, the clamping block 10 returns to the maximum distance, the next bearing is ready to be clamped, the steps are repeated, and the processing and pushing out of the next bearing are performed

Wherein, L type frame 14 is fixed to top fixed mounting of operation panel 1, the fixed pressure equipment ware 26 that is provided with in top inner wall of L type frame 14, mounting groove 15 has been seted up to the bottom of L type frame 14, the top slidable mounting of operation panel 1 has rack two 21, special-shaped groove 22 has been seted up to the bottom of rack two 21, rotate on the inner wall of special-shaped groove 22 and install a plurality of bull stick two 23, the fixed cover is equipped with ball 24 on the outer wall of a plurality of bull stick two 23 respectively, arc wall 25 has been seted up at the top of operation panel 1, arc wall 25 and ball 24 sliding connection.

Through the slidable mounting design of rack two 21 for the processing and the unloading process of bearing can seamless connection, once the bearing processing is accomplished, through driving rack two 21 and remove forward, can easily release finished product bearing to the assigned position, need not manual transport, time has been saved greatly, and improving whole machining efficiency, automatic operation has reduced human intervention, the mistake and the delay that lead to because of the human factor have been reduced, compare with traditional device, automatic release mechanism has ensured that the processing position is released immediately after the bearing is released, the rapid positioning and the processing of next bearing have been convenient for, not only reduced the disorder on the workstation, still promoted the clean and tidy degree of whole processing environment, be favorable to maintaining good work order and improvement work efficiency, and because rack two 21 can freely slide along preset track, consequently, can adjust its release distance and speed according to actual need, in order to the bearing processing demand of different specifications and types.

The top of each of the two racks 9 is fixedly provided with a clamping block 10, two arc-shaped blocks 11 are arranged between the two clamping blocks 10, and the clamping blocks 10 corresponding to the two arc-shaped blocks 11 are elastically connected through a plurality of spring damping rod assemblies 12.

Through being provided with two arc pieces 11 in the centre of two grip blocks 10, this design has utilized arcuate cladding nature ingeniously for the arc piece can laminate the curved surface of bearing more, increase area of contact, thereby improve the stability and the homogeneity of centre gripping, through a plurality of spring damping rod sub-assembly 12 elastic connection between two arc pieces 11 and the corresponding grip block 10, provide necessary elasticity, allow the arc piece to finely tune according to the actual size of bearing, so as to adapt to the bearing clamping requirement of different specifications, simultaneously, spring damping rod still has certain damping effect, can absorb and slow down impact and vibration at the centre gripping in-process, protect the bearing from damaging.

The outer wall of the first rotating rod 4 is fixedly sleeved with a second gear 5, the bottom of the operating platform 1 is fixedly provided with a first motor 2, the output shaft of the first motor 2 is fixedly provided with a first gear 3, and the first gear 3 is meshed with the second gear 5.

By starting the motor I2, the output shaft of the motor I2 rotates to drive the gear I3 to rotate, and the gear I3 is meshed with the gear II 5, so that the gear II 5 and the gear III 6 are driven to rotate together, and power support is provided for positioning of the device.

The motor II 16 is fixedly installed on the inner wall of the top of the installation groove 15, the first toothed column 17 is fixedly installed on the output shaft of the motor II 16, the two T-shaped rods 18 are rotatably installed on the top of the operating platform 1, the tooth column II 19 is fixedly sleeved on the outer walls of the two T-shaped rods 18 respectively, the tooth column II 19 on the left side is meshed with the tooth column I17, and the two tooth columns II 19 are meshed with the left side and the right side of the rack II 21.

By starting the motor II 16, the output shaft of the motor II 16 rotates to drive the tooth column I17 to rotate, the T-shaped rod 18 is meshed with the tooth column II 19 on the left side, so that the tooth column II 19 on the left side is driven to rotate, and the tooth column II 19 is meshed with the rack II 21 to drive the rack II 21 to move forwards and backwards in the horizontal direction.

Wherein the outer walls of both T-bars 18 are wrapped with a belt 20.

Through the design of winding belt 20 on the outer wall of two T-shaped rods 18 as transmission element, not only promoted the transmission stationarity, efficiency and the flexibility of assembly fixture for bearing processing, but also reduced noise and vibration to be convenient for follow-up maintenance and change.

The working principle and the using flow of the utility model are as follows:

The processing personnel firstly place the bearing to be processed between two clamping blocks 10, in an initial state, the clamping blocks 10 are at the maximum distance to accommodate the bearing with the maximum size, the motor I2 and the motor II 16 are ensured to be in a standby state and ready to start at any time, firstly, the motor I2 is started, the output shaft of the motor I2 rotates to drive the gear I3 to rotate, the gear I3 is meshed with the gear II 5 to drive the gear II 5 and the rotating rod I4 to rotate together, the rotating rod I4 drives the gear III 6 to rotate, the gear III 6 is meshed with the two racks I9 to drive the two racks I9 to slide along the limiting groove I8, thereby driving the two clamping blocks 10 to be close to each other, in the process of the clamping blocks 10 being close, the two arc blocks 11 adapt to the size of the bearing through the elastic action of the spring damping rod piece 12, ensuring uniform clamping, after stably clamping a bearing to be processed, restarting a pressing device 26 at the top of the L-shaped frame 14, pressing the clamped bearing, wherein in the processing process, two clamping blocks 10 and an arc block 11 keep stable clamping of the bearing to prevent offset or damage, after the pressing is finished, stopping the operation of the pressing device 26, restarting a motor II 16, driving a tooth column I17 to rotate by an output shaft of the motor II 16, meshing the tooth column I17 with a tooth column II 19 at the left side, driving the tooth column II 19 at the left side to rotate, driving the tooth column II21 to slide along the top of the operating platform 1 due to the meshing of the two tooth columns II 19 with the left side and the right side of the tooth column II21, moving forwards, sliding a ball 24 at the bottom of the tooth column II21 in an arc groove 25, ensuring that the tooth column II21 moves steadily along with the forward movement of the tooth column II21, the rack II21 pushes out the machined bearing to a designated position, after the bearing is pushed out, the machining position is vacated, the quick positioning and machining of the next bearing are facilitated, the motor II 16 can rotate reversely to drive the rack II21 to reset to the initial position, the rotating rod I4 is rotated, the clamping block 10 returns to the maximum distance, the next bearing is ready to be clamped, and the steps are repeated to machine and push out the next bearing.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The assembly fixture for machining the bearings comprises an operation table (1) and is characterized in that a movable groove (7) is formed in the operation table (1), a first rotating rod (4) is rotatably arranged at the top of the movable groove (7), the bottom end of the first rotating rod (4) extends out of the operation table (1), a third gear (6) is fixedly sleeved on the outer wall of the first rotating rod (4), two first limiting grooves (8) are formed in the inner wall of the bottom of the movable groove (7), racks (9) are respectively and slidably arranged at the tops of the first limiting grooves (8), the two first racks (9) are meshed with the third gear (6), and two second limiting grooves (13) are formed in the top of the operation table (1) and are respectively and slidably connected with corresponding clamping blocks (10).

2. The assembly fixture for bearing machining according to claim 1, wherein the L-shaped frame (14) is fixedly arranged at the top of the operating platform (1), the press-fit device (26) is fixedly arranged on the inner wall of the top of the L-shaped frame (14), the mounting groove (15) is formed in the bottom of the L-shaped frame (14), the rack II (21) is slidably arranged at the top of the operating platform (1), the special-shaped groove (22) is formed in the bottom of the rack II (21), the rotating rods II (23) are rotatably arranged on the inner wall of the special-shaped groove (22), the round balls (24) are fixedly sleeved on the outer walls of the rotating rods II (23), the arc-shaped groove (25) is formed in the top of the operating platform (1), and the arc-shaped groove (25) is slidably connected with the round balls (24).

3. The assembly fixture for bearing machining according to claim 1, wherein clamping blocks (10) are fixedly installed at the tops of the first racks (9), two arc-shaped blocks (11) are arranged between the two clamping blocks (10), and the clamping blocks (10) corresponding to the two arc-shaped blocks (11) are elastically connected through a plurality of spring damping rod assemblies (12).

4. The assembly fixture for bearing machining according to claim 1, wherein the outer wall of the first rotating rod (4) is fixedly sleeved with a second gear (5), the bottom of the operating table (1) is fixedly provided with a first motor (2), an output shaft of the first motor (2) is fixedly provided with a first gear (3), and the first gear (3) is meshed with the second gear (5).

5. The assembly fixture for bearing machining according to claim 2, wherein a motor II (16) is fixedly installed on the inner wall of the top of the installation groove (15), a tooth column I (17) is fixedly installed on an output shaft of the motor II (16), two T-shaped rods (18) are rotatably installed on the top of the operation table (1), tooth column II (19) are fixedly sleeved on the outer walls of the two T-shaped rods (18) respectively, the tooth column II (19) on the left side is meshed with the tooth column I (17), and the two tooth column II (19) are meshed with the left side and the right side of the tooth column II (21).

6. The assembly fixture for machining bearings according to claim 5, wherein the outer walls of the two T-shaped rods (18) are wound with belts (20).