CN214770174U

CN214770174U - High-precision bearing press-fitting device

Info

Publication number: CN214770174U
Application number: CN202121084845.5U
Authority: CN
Inventors: 邓兴科; 何家宝
Original assignee: Tanac Automation Co Ltd
Current assignee: Tanac Automation Co Ltd
Priority date: 2021-05-20
Filing date: 2021-05-20
Publication date: 2021-11-19
Anticipated expiration: 2031-05-20

Abstract

A high-precision bearing press-fitting device comprises a base plate, a moving mechanism, a press-fitting mechanism and a detection mechanism. The press-fitting mechanism comprises a top plate, a sliding plate, a servo press, a pressure sensor, a press-taking assembly and a depth detection assembly. The pressure sensor is connected with the output end of the servo press and the sliding plate, so that the pressure output by the servo press can be detected. The depth detection assembly comprises a through hole, a supporting plate, a second sliding block, a second sliding rail, a connecting block and a grating ruler. The second sliding rail is arranged on the second sliding block in a sliding mode, and one end of the second sliding rail penetrates through the two through holes to be connected with the connecting block. When the pressure head component moves, the second sliding rail and the grating ruler are driven by the connecting block to move in the same track, so that the grating ruler can detect the pressing-in depth. The servo press controls the downward pressing force and depth of the bearing according to the detected force and depth, so that the bearing is accurately controlled to be pressed in by matching the force and the depth.

Description

High-precision bearing press-fitting device

Technical Field

The utility model relates to a bearing assembly technical field, in particular to bearing pressure equipment device of high accuracy.

Background

In the assembly of the bearing with the end cap, the bearing needs to be pressed into the end cap by an external force. Most of the prior art is manually assembled through a tool, and the manual press fitting causes low efficiency and low safety. Meanwhile, the press-fitting precision cannot be guaranteed, and the press-fitting depth and force of the bearing cannot be accurately controlled, so that the tightness between the press-fitted bearing and the end cover is problematic, and the product quality is affected.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a bearing pressure equipment device of high accuracy to solve above-mentioned technical problem.

A high-precision bearing press-fitting device comprises a base plate, a moving mechanism arranged on the base plate, and a press-fitting mechanism arranged on the base plate. The press-fitting mechanism comprises four guide rods arranged on the base plate, a top plate arranged at one end of each guide rod, a sliding plate arranged on the guide rods in a sliding mode, a servo press arranged on the top plate, a pressure sensor connected with the output end of the servo press and the sliding plate, a pressing and taking assembly arranged on the sliding plate and moving along with the sliding plate, and a depth detection assembly arranged on the top plate. One end of the guide rod is arranged on the base plate, and the other end of the guide rod penetrates through four corners of the sliding plate to be connected with four corners of the top plate. The output end of the servo press penetrates through the top plate to be connected with the pressure sensor, and the pressure sensor is connected with the output end of the servo press and the sliding plate and detects the pressure output by the output end of the servo press. The depth detection assembly comprises two through holes which are respectively arranged on the sliding plate and the top plate, a supporting plate arranged on the top plate, at least one second sliding block arranged on the supporting plate, a second sliding rail arranged on the second sliding block in a sliding mode, a connecting block connected with the second sliding rail and the pressing assembly, and a grating ruler which is arranged on the second sliding rail and moves along with the second sliding rail. The central axes of the two through holes are coincident with each other. The second sliding rail is arranged on the second sliding block in a sliding mode, and one end of the second sliding rail penetrates through the two through holes to be connected with the connecting block. The connecting block drives the second sliding rail and the grating ruler to move along with the pressing component, and the grating ruler detects the moving distance.

Furthermore, the high-precision bearing press-fitting device also comprises a detection mechanism arranged on the substrate, and the moving mechanism penetrates through the press-fitting mechanism and the detection mechanism.

Further, the moving mechanism comprises a bottom plate arranged on the base plate, two first sliding rails arranged on the bottom plate, a first sliding block arranged on the first sliding rails in a sliding mode, a placing seat arranged on the first sliding block, a driving motor arranged at one end of the bottom plate, and a screw rod connected with the first sliding block and the driving motor.

Further, the placing seat comprises a placing plate arranged on the first sliding block, four limiting blocks arranged on the placing plate, a positioning column arranged on the placing plate and located at the center of the four limiting blocks, and a bearing seat arranged on the placing plate.

Further, the central axis of the guide rod is perpendicular to the plane of the substrate.

Furthermore, the pressing assembly comprises four connecting rods arranged on the sliding plate, a transverse plate connected with one end of each connecting rod, an air pipe arranged on the transverse plate, and a pressing head arranged on the transverse plate. One end of the connecting rod is connected with the sliding plate, the other end of the connecting rod is connected with the transverse plate, and the air pipe is located between the transverse plate and the sliding plate.

Furthermore, the pressure head is arranged on one end face, facing the base plate, of the transverse plate, and a plurality of air suction ports communicated with the air pipe are formed in one end face, facing the base plate, of the pressure head.

Compared with the prior art, the utility model provides a bearing pressure equipment device of high accuracy passes through the control bearing pressure of pressure equipment mechanism high accuracy is packed into in the end cover. Specifically, the pressure sensor of the press-fitting mechanism is connected with the output end of the servo press and the sliding plate, so that when the press-fitting assembly can detect the press-fitting of the bearing, the pressure output by the servo press is detected and data is transmitted to the servo press. The depth detection assembly comprises two through holes, a supporting plate, a second sliding block, a second sliding rail, a connecting block and a grating ruler. The central axes of the two through holes are coincident with each other. The second sliding rail is arranged on the second sliding block in a sliding mode, and one end of the second sliding rail penetrates through the through hole to be connected with the connecting block. Because the connecting block is connected the second slide rail with the diaphragm, consequently work as the slide drives the pressure is got the subassembly and is followed when the guide arm removes, through the connecting block can drive the second slide rail with the grating chi is the motion of same orbit and speed, makes the grating chi can be in the pressure head detects the depth of impressing and gives data transmission when pushing down the bearing servo press. The servo press machine receives the pressing-in depth detected by the grating ruler and the pressing-in force detected by the pressure sensor, adjusts the force and the depth of the output end of the servo press machine according to the force and the depth, and controls the pressing-in force and the depth of the bearing, so that the force is matched with the depth, the bearing is accurately controlled to be pressed in, and the assembling precision is improved.

Drawings

Fig. 1 is the utility model provides a bearing pressure equipment device's of high accuracy structural schematic diagram.

Fig. 2 is a schematic structural view of a moving mechanism of the high-precision bearing press-fitting device of fig. 1.

Fig. 3 is a schematic structural view of a press-fitting mechanism provided in the high-precision bearing press-fitting apparatus of fig. 1.

Fig. 4 is a schematic view of another angle of the press-fitting mechanism of the high-precision bearing press-fitting device of fig. 1.

Fig. 5 is a schematic structural diagram of a depth detection assembly of the high-precision bearing press-fitting device of fig. 1.

Detailed Description

Specific examples of the present invention will be described in further detail below. It should be understood that the description herein of embodiments of the invention is not intended to limit the scope of the invention.

As shown in fig. 1 to 5, it is a schematic structural diagram of the high-precision bearing press-fitting device provided by the present invention. The high-precision bearing press-fitting device comprises a base plate 10, a moving mechanism 20 arranged on the base plate 10, a press-fitting mechanism 30 arranged on the base plate 10, and a detection mechanism 40 arranged on the base plate 10. It is contemplated that the high-precision bearing press-fitting apparatus further includes other functional modules, such as assembling components, mounting components, electrical connecting components, etc., which are well known to those skilled in the art and will not be described herein.

The base plate 10 is used for carrying the above-mentioned functional modules, i.e. the moving mechanism 20, the press-fitting mechanism 30 and the detecting mechanism 40, so that the base plate 10 is provided with a plurality of functional structures, such as screws, bolts, clamps and the like, to complete the installation and assembly of the above-mentioned functional modules, which can be arranged according to actual needs, and will not be described in detail herein.

The moving mechanism 20 includes a base plate 21 disposed on the substrate 10, two first slide rails 22 disposed on the base plate 21, a first slide block 23 slidably disposed on the first slide rails 22, a placing seat 24 disposed on the first slide block 23, a driving motor 25 disposed at one end of the base plate 21, and a screw rod 26 connecting the first slide block 23 and the driving motor 25.

The base plate 21 is used for arranging other components of the moving mechanism 20. The first slide rail 22 passes through the press-fitting mechanism 30 and the detection mechanism 40, and is used for supporting the first slide block 23 to slide, so that the first slide block 23 can slide to be right below the press-fitting mechanism 30 or the detection mechanism 40 for press-fitting or detection. The placing seat 24 moves along with the first slider 23, and includes a placing plate 241 disposed on the first slider 23, four limiting blocks 242 disposed on the placing plate 241, a positioning post 243 disposed on the placing plate 241 and located at the center of the four limiting blocks 242, and a bearing seat 244 disposed on the placing plate 241. The end cover to be press-fitted is sleeved on the positioning column 243, and the periphery of the end cover is attached to the limiting block 242, so that the end cover is fixedly arranged and prevented from moving during press-fitting. The bearing seat 244 is used for placing a bearing needing press fitting. The driving motor 25 is used for driving the lead screw 26, so that the lead screw 26 can drive the first slide block 23 to slide on the first slide rail 22.

The press-fitting mechanism 30 includes four guide rods 31 provided on the base plate 10, a top plate 32 provided at one end of the guide rods 31, a slide plate 33 slidably provided on the guide rods 31, a servo press 34 provided on the top plate 32, a pressure sensor 35 connecting an output end of the servo press 34 and the slide plate 33, a press-taking assembly 36 provided on the slide plate 33, and a depth detection assembly 37 provided on the top plate 32.

One end of the guide rod 31 is disposed on the base plate 10, and the other end thereof penetrates four corners of the sliding plate 33 to be connected with four corners of the top plate 32. The central axis of the guide rod 31 is perpendicular to the plane of the substrate 10. Four corners of the sliding plate 33 respectively penetrate through the four guide rods 31, and a guide sleeve (not labeled) is arranged between the sliding plate 33 and the guide rods 31, so that the sliding plate 33 can slide along the guide rods 31. The output end of the servo press 34 penetrates through the top plate 32 to be connected with the pressure sensor 35, and the pressure sensor 35 is connected with the output end of the servo press 34 and the sliding plate 33, so that the servo press 34 can drive the sliding plate 33 to reciprocate along the guide rail 31, and further drive the pressing and taking assembly 36 arranged on the sliding plate 33 to be close to or far away from the placing seat 24, so as to suck or press a bearing. The pressure sensor 35 can detect the pressure output by the servo press 34 and transmit the data to the servo press 34 when the press-taking assembly 36 presses the bearing.

The pressing and fetching assembly 36 includes four connecting rods 361 disposed on the sliding plate 33, a cross plate 362 connected to one end of the connecting rods 361, an air tube 363 disposed on the cross plate 362, and a pressing head 364 disposed on the cross plate 362.

The connecting rod 361 has one end connected to the sliding plate 33 and the other end connected to the transverse plate 362, and the connecting rod 361 is used to connect the sliding plate 33 and the transverse plate 362, so that the transverse plate 362 and the air tube 363 and the pressure head 364 provided on the transverse plate 362 can move together with the sliding plate 33. The air pipe 363 is located between the cross plate 362 and the sliding plate 33, and the air pipe 363 is connected with an external suction device and communicated with the pressure head 364. The pressing head 364 is provided on one end surface of the cross plate 362 facing the base plate 10, and the pressing head 364 is used for pressing down the bearing. One end surface of the pressure head 364 facing the substrate 10 is provided with a plurality of suction ports communicated with the air pipes 363, and the suction ports are used for sucking the bearings. In operation, the driving motor 25 drives the first sliding block 23 to slide, so that the bearing seat 244 moves to a position right below the pressure head 364. The servo press 34 then drives the slide plate 33 and the press assembly 36 down, causing the ram 364 to grip the bearing and the slide plate 33 to reset. Then, the driving motor 25 drives the first sliding block 23 to slide, so that the end cover sleeved on the positioning column 243 moves to a position right below the pressing head 364, the pressing head 364 presses down, the bearing is pressed into the end cover, and press-fitting is completed.

The depth detection assembly 37 includes two through holes 371 disposed on the sliding plate 33 and the top plate 32, respectively, a supporting plate 372 disposed on the top plate 32, at least one second sliding block 373 disposed on the supporting plate 372, a second sliding rail 374 slidably disposed on the second sliding block 373, a connecting block 375 connecting the second sliding rail 374 and the pressing assembly 36, and a grating ruler 376 disposed on the second sliding rail 374.

The central axes of the two through holes 371 coincide with each other. The through hole 371 is used for accommodating and providing a space for the second sliding rail 374 and the grating ruler 376 to move, so that the second sliding rail 374 and the grating ruler 376 can pass through the through hole 371. The second slider 373 is used for supporting the second slide rail 374 to slide. The second sliding rail 374 is slidably disposed on the second sliding block 373, and one end of the second sliding rail passes through the two through holes 371 to be connected to the connecting block 375. The linear scale 376 moves along with the second slide rail 374 and is used for detecting the depth of the bearing press-in. Since the connecting block 375 connects the second slide rail 374 and the cross plate 362, when the slide plate 33 drives the pressing assembly 36 to move along the guide rod 31, the second slide rail 374 and the grating scale 376 can be driven by the connecting block 375 to move at the same track and speed, so that the grating scale 376 can detect the pressing depth and transmit data to the servo press 34 when the press head 364 presses down the bearing. The servo press machine 34 receives the press-in depth detected by the grating ruler 376 and the press-in force detected by the pressure sensor 35, adjusts the force and the depth of the output end of the servo press machine 376 according to the force and the depth, and controls the press-in force and the depth of the bearing, so that the force is matched with the depth, and the press-in of the bearing is accurately controlled.

The detection mechanism 40 is disposed on the substrate 10 and located on one side of the press-fitting mechanism 20. After the press-fitting mechanism 30 is press-fitted, the driving motor 25 drives the first slider 23 to slide, so that the press-fitted bearing and the end cover move to a position right below the detection mechanism 40, and the detection mechanism 40 performs detection. Which is per se prior art and will not be described in further detail herein.

Compared with the prior art, the utility model provides a bearing pressure equipment device of high accuracy passes through the control bearing pressure of pressure equipment mechanism 30 high accuracy is packed into in the end cover. Specifically, the pressure sensor 35 of the press-fitting mechanism 30 connects the output end of the servo press 34 with the slide plate 33, so that when the press-fitting assembly 36 can detect the press-fitting of the bearing, the pressure output by the servo press 34 is detected and data is transmitted to the servo press 34. The depth detection assembly 37 includes two through holes 371, a support plate 372, a second slider 373, a second slide rail 374, a connection block 375, and a grating scale 376. The central axes of the two through holes 371 coincide with each other. The second sliding rail 374 is slidably disposed on the second sliding block 373, and one end of the second sliding rail passes through the through hole 371 to be connected to the connecting block 375. Since the connecting block 375 connects the second slide rail 374 and the cross plate 362, when the slide plate 33 drives the pressing assembly 36 to move along the guide rod 31, the second slide rail 374 and the grating scale 376 can be driven by the connecting block 375 to move at the same track and speed, so that the grating scale 376 can detect the pressing depth and transmit data to the servo press 34 when the press head 364 presses down the bearing. The servo press machine 34 receives the press-in depth detected by the grating ruler 376 and the press-in force detected by the pressure sensor 35, adjusts the force and the depth of the output end of the servo press machine 376 according to the force and the depth, and controls the press-in force and the depth of the bearing, so that the force is matched with the depth, the press-in of the bearing is accurately controlled, and the assembly precision is improved.

The above description is only for the preferred embodiment of the present invention and should not be construed as limiting the scope of the present invention, and any modification, equivalent replacement or improvement within the spirit of the present invention is encompassed by the claims of the present invention.

Claims

1. The utility model provides a bearing pressure equipment device of high accuracy which characterized in that: the high-precision bearing press-fitting device comprises a base plate, a moving mechanism arranged on the base plate, and a press-fitting mechanism arranged on the base plate, wherein the press-fitting mechanism comprises four guide rods arranged on the base plate, a top plate arranged at one end of each guide rod, a sliding plate arranged on the guide rods in a sliding manner, a servo press arranged on the top plate, a pressure sensor connected with the output end of the servo press and the sliding plate, a press-taking component arranged on the sliding plate and moving along with the sliding plate, and a depth detection component arranged on the top plate, one end of each guide rod is arranged on the base plate, the other end of each guide rod penetrates through four corners of the sliding plate to be connected with the four corners of the top plate, and the output end of the servo press penetrates through the top plate to be connected with the pressure sensor, the pressure sensor is connected with the output end of the servo press and the sliding plate and detects the pressure output by the output end of the servo press, the depth detection assembly comprises two through holes respectively arranged on the sliding plate and the top plate, a supporting plate arranged on the top plate, at least one second sliding block arranged on the supporting plate, a second sliding rail arranged on the second sliding block in a sliding manner, a connecting block connected with the second sliding rail and the pressing assembly, and a grating ruler arranged on the second sliding rail and moving along with the second sliding rail, the central axes of the two through holes are overlapped with each other, the second sliding rail is arranged on the second sliding block in a sliding manner, one end of the second sliding rail penetrates through the two through holes and is connected with the grating connecting block, and the connecting block drives the second sliding rail and the grating ruler to move along with the pressing assembly, the grating scale detects the moving distance.

2. A high precision bearing press-fitting device as set forth in claim 1, wherein: the high-precision bearing press-fitting device further comprises a detection mechanism arranged on the substrate, and the moving mechanism penetrates through the press-fitting mechanism and the detection mechanism.

3. A high precision bearing press-fitting device as set forth in claim 1, wherein: the moving mechanism comprises a bottom plate arranged on the base plate, two first sliding rails arranged on the bottom plate, a first sliding block arranged on the first sliding rails in a sliding mode, a placing seat arranged on the first sliding block, a driving motor arranged at one end of the bottom plate, and a screw rod connected with the first sliding block and the driving motor.

4. A high precision bearing press-fitting device as set forth in claim 3, wherein: the placing seat comprises a placing plate arranged on the first sliding block, four limiting blocks arranged on the placing plate, a positioning column arranged on the placing plate and positioned at the centers of the four limiting blocks, and a bearing seat arranged on the placing plate.

5. A high precision bearing press-fitting device as set forth in claim 1, wherein: the central axis of the guide rod is perpendicular to the plane of the substrate.

6. A high precision bearing press-fitting device as set forth in claim 1, wherein: the pressing component comprises four connecting rods arranged on the sliding plate, a transverse plate connected with one end of each connecting rod, an air pipe arranged on the transverse plate, and a pressing head arranged on the transverse plate, wherein one end of each connecting rod is connected with the sliding plate, the other end of each connecting rod is connected with the transverse plate, and the air pipe is located between the transverse plate and the sliding plate.

7. A high precision bearing press-fitting device as set forth in claim 6, wherein: the pressure head is arranged on one end face, facing the base plate, of the transverse plate, and a plurality of air suction ports communicated with the air pipe are formed in one end face, facing the base plate, of the pressure head.