CN216066695U

CN216066695U - Grinding clamp and machining equipment for full-filling bearing rolling element filling port

Info

Publication number: CN216066695U
Application number: CN202121720004.9U
Authority: CN
Inventors: 周云; 王建平; 唐大超; 梁道才; 戴之钧; 牛建平
Original assignee: Bahuan Technology Group Co ltd
Current assignee: Bahuan Technology Group Co ltd
Priority date: 2021-07-27
Filing date: 2021-07-27
Publication date: 2022-03-18
Anticipated expiration: 2031-07-27

Abstract

The invention relates to the field of bearings, and particularly discloses a grinding clamp and a grinding device for a full-filling bearing rolling element filling port. The grinding clamp comprises a reference part and a positioning part, wherein the position of the positioning part relative to the reference part is adjustable; the reference part comprises a bottom plate and magnetic conduction parts, and the magnetic conduction parts are distributed on the bottom plate; the magnetic conduction part is made of ferromagnetic materials, and the bottom plate is made of non-ferromagnetic materials. The grinding clamp can improve the universality of equipment, simplify the debugging program of the equipment and reduce the production cost on the premise of ensuring the processing quality.

Description

Grinding clamp and machining equipment for full-filling bearing rolling element filling port

Technical Field

The invention relates to the field of bearings, in particular to a grinding clamp and a grinding device for a full-filling bearing rolling body filling port.

Background

The bearing is used as an important supporting and transmission part in the mechanical field and is mainly used for transmitting radial load. The full complement bearing is one of the bearings, namely more rolling bodies are filled between the inner ring and the outer ring of the bearing, so that the full complement is basically realized, the gaps between the rolling bodies are reduced, and the bearing capacity of the bearing is improved.

As is well known, in the process of assembling the rolling elements of the conventional bearing, the inner ring is usually put into the outer ring, and the inner ring is offset radially relative to the inner ring, so as to leave enough space for putting all the rolling elements, then the gap between the rolling elements is gradually adjusted, and finally the cage is installed to maintain the gap between the rolling elements.

However, in a full-complement bearing, because the number of rolling elements is too large, the bearing cannot be completely assembled in a manner that the inner ring is radially offset. Therefore, the assembly of the rolling body is usually realized by adopting a form of opening the ball filling port in the full-complement bearing, namely notches are respectively processed on the outer side of the bearing inner ring and the inner side of the bearing appearance, and the two notches form the complete ball filling port together when aligned for the rolling body to pass through.

The machining of the ball-filling port usually adopts grinding type machining, and the bearing ring needs to be reliably positioned and clamped in the machining process. The bearing ring is usually machined by turning, but the clamp used in the turning is obviously not suitable for grinding the ball filling port. And because the specifications of the bearings are numerous, the size difference of the ferrules of the bearings with different specifications is large, matched clamps are required to be arranged, and the production cost is high.

Disclosure of Invention

The invention aims to provide a grinding clamp and a grinding device for a full-filling bearing rolling element filling port, which improve the universality of the device, simplify the debugging program of the device and reduce the production cost on the premise of ensuring the processing quality.

In order to solve the technical problems, the technical scheme provided by the invention is as follows: the grinding fixture for the full loading port of the bearing rolling body comprises a reference piece and a positioning piece, wherein the position of the positioning piece relative to the reference piece is adjustable; the reference part comprises a bottom plate and magnetic conduction parts, and the magnetic conduction parts are distributed on the bottom plate; the magnetic conduction part is made of ferromagnetic materials, and the bottom plate is made of non-ferromagnetic materials.

When clamping, the magnetic conduction piece is magnetized by the excitation unit and adsorbs the bearing ring. The bearing ring is clamped and fixed in a magnetic field adsorption mode, so that the universality of the clamp is improved, the equipment adjusting procedure is simplified, and the production cost is reduced on the premise of ensuring reliable clamping; the influence of the clamp on the surface finish or the whole structure of the bearing ring in the conventional clamping mode can be reduced, and the product quality is ensured to the maximum extent.

Because the bottom plate is not magnetic conductive, the magnetic field excited by the excitation unit is forced to be gathered to the magnetic conductive part area, so that the magnetic field of the magnetic conductive part area is enhanced, and the clamping reliability can be enhanced.

Preferably, the magnetic conduction member is strip-shaped, so that the coverage area of the magnetic conduction member on the reference member can be increased by using a smaller sectional area of the magnetic conduction member, and the magnetic conduction member can adapt to more product specifications on the premise of ensuring the effect of enhancing the magnetic field intensity.

Preferably, a second adjusting assembly is arranged between the positioning piece and the reference piece, the second adjusting assembly comprises a second adjusting groove and a second locking assembly, and the second adjusting groove is arranged on the positioning piece or the reference piece.

Preferably, the positioning pieces are in a strip shape, the number of the positioning pieces is at least two, the arrangement directions of at least two positioning pieces are not parallel, and the two positioning pieces are matched together to radially position the bearing ring.

Preferably, one end of the positioning piece is a contact end, and the contact end is provided with a contact.

Preferably, the contact end is provided with two clamping arms arranged in parallel, and a clamping space is formed between the two clamping arms; a third locking assembly used for adjusting the distance between the two clamping arms is also arranged between the two clamping arms; the contact portion is disposed in the clamping space.

The contact is made of a material with better wear resistance, so that the abrasion is less when the bearing ring is removed, and the positioning precision is higher. In addition, the contact is clamped by the two clamping arms, and the contact can be replaced after being worn to a certain degree.

Preferably, each positioning piece is further provided with an angle adjusting assembly, and the angle adjusting assembly comprises at least two adjusting units which are sequentially distributed along the length direction of the positioning piece; the adjusting unit comprises a jacking rod, the action end of the jacking rod faces the reference part, and the jacking rod can be axially adjusted relative to the positioning part; and between the second step and the third step, checking the joint condition of the contact position of each contact and the corresponding outer side face of the bearing ring, and adjusting the position of each jacking rod relative to the positioning piece according to the joint degree of the contact and the outer side face of the bearing ring.

The angle adjusting assembly can adjust the fitting degree of the contact and the outer side face of the bearing ring in a mode of adjusting the installation angle of the positioning piece relative to the reference piece, so that the stress condition between the contact and the bearing ring is improved, the damage of the contact to the finish degree of the outer side face of the bearing ring in the grinding process can be reduced, and the product quality is improved.

The utility model provides a full abrasive machining equipment that holds bearing rolling element and loads mouth which characterized in that: the magnetic conduction piece is corresponding to the excitation unit.

Preferably, the excitation device further comprises a base, the excitation unit is arranged on the base, and the reference piece is detachably connected with the base.

Preferably, a first adjusting assembly is arranged between the reference member and the base, the first adjusting assembly comprises a first adjusting groove and a first locking assembly, and the first adjusting groove is arranged on the reference member or the base.

Drawings

FIG. 1 is a sectional view of a grinding apparatus of this embodiment fully loaded with a loading port for a rolling element of a bearing;

FIG. 2 is a front view of the grinding device fully loaded with the loading port of the bearing rolling element according to the embodiment;

FIG. 3 is a front view of the grinding apparatus in another state in which the loading port of the rolling element of the bearing is fully loaded;

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

FIG. 5 is a schematic structural diagram of a positioning member in the grinding apparatus fully loaded with the loading port of the bearing rolling element according to the embodiment;

FIG. 6 is a schematic diagram of the operation of the angle adjusting assembly in the grinding device fully loaded with the loading port of the bearing rolling element according to the embodiment.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Examples

As shown in FIG. 1, the grinding processing equipment for the full loading bearing rolling element loading port comprises an excitation unit 1, a grinding unit 4 and a clamp 5, wherein the clamp 5 comprises a reference piece 52 and a positioning piece 51, and the position of the positioning piece 51 relative to the reference piece 52 is adjustable. The reference member 52 is made of a ferromagnetic material partially or entirely, and when clamped, the reference member 52 is magnetized by the exciting unit 1 and attracts the bearing ring 3.

As a specific embodiment, as shown in fig. 1 to 3, the reference member 52 includes a bottom plate 522 and magnetic conductive members 521, and the magnetic conductive members 521 are distributed on the bottom plate 522. The magnetic conductive member 521 is made of ferromagnetic material, and the bottom plate 522 is made of non-ferromagnetic material. Because the bottom plate 522 is not magnetically conductive, the magnetic field excited by the excitation unit 1 is forced to be gathered to the area of the magnetic conductive member 521, so that the magnetic field of the area of the magnetic conductive member 521 is enhanced, and the clamping reliability can be enhanced. Specifically, the magnetic conductive member 521 is made of silicon steel or bearing steel similar to the bearing ring, and the bottom plate 522 is made of a diamagnetic material, such as brass.

As shown in fig. 1 to fig. 3, the magnetic conductive member 521 is strip-shaped, so that the cross-sectional area of the magnetic conductive member 521 can be smaller, the coverage area of the magnetic conductive member 521 on the reference member 52 can be increased, and the magnetic field intensity can be enhanced.

The bearing ring 3 is clamped and fixed in a magnetic field adsorption mode, so that the universality of the clamp 5 is improved, the equipment adjusting procedure is simplified, and the production cost is reduced on the premise of ensuring reliable clamping. The influence of the clamp 5 on the surface finish or the whole structure of the bearing ring 3 in the conventional clamping mode can be reduced, and the product quality is ensured to the maximum extent.

As shown in fig. 1-3, the universal grinding apparatus further includes a base 2, the exciting unit 1 is disposed on the base 2, the reference member 52 is detachably connected to the base 2, and the exciting unit 1 may be an electromagnet. A first adjusting assembly 54 is arranged between the reference member 52 and the machine base 2, the first adjusting assembly 54 comprises a first adjusting groove 542 and a first locking assembly 541, and the first adjusting groove 542 is arranged on the reference member 52 or the machine base 2. In a specific embodiment, the first adjustment groove 542 is disposed on the reference member 52, and the housing 2 is provided with a threaded hole. The first locking assembly 541 includes a bolt, which is coupled to the threaded hole after passing through the first adjustment slot 542.

As shown in fig. 1 to 3, a second adjusting assembly 53 is disposed between the positioning member 51 and the reference member 52, the second adjusting assembly 53 includes a second adjusting groove 531 and a second locking assembly 532, and the second adjusting groove 531 is disposed on the positioning member 51 or the reference member 52. In a specific embodiment, the second adjustment slot 531 is disposed on the positioning member 51, the reference member 52 is provided with a threaded hole, and the second locking assembly 532 includes a bolt that passes through the second adjustment slot 531 and then is coupled to the threaded hole.

The first adjustment assembly 54 and the second adjustment assembly 53 cooperate together to achieve precise positioning and reliable clamping of the bearing ring 3.

As shown in fig. 3 and 4, the positioning members 51 are in a long strip shape, the number of the positioning members 51 is at least two, the arrangement directions of at least two of the positioning members 51 are not parallel, and the two positioning members 51 cooperate to radially position the bearing ring 3.

As shown in fig. 3 to 5, one end of the positioning member 51 is a contact end 513, the contact end 513 is provided with two parallel clamping arms 512, and a clamping space is formed between the two clamping arms 512. A third locking assembly 511 for adjusting the distance between the two clamping arms 512 is further arranged between the two clamping arms 512. The contact end 513 is provided with a contact 514, and the contact 514 is partially arranged in the clamping space and detachably connected with the positioning piece 51.

In one embodiment, as shown in fig. 3-5, the contact 514 is cylindrical, and a cylindrical mounting area is provided in the clamping space to mate with the contact 514, the cylindrical mounting area being disposed adjacent to the contact and open at the contact end 513. Corresponding contacts 514 are mounted in the cylindrical mounting region, with outer side portions of the contacts 514 exposed from the cylindrical mounting region and protruding beyond the contact end 513 for contact with the bearing ring 3. Since the contact 514 is cylindrical, when the outer side surface of the contact 514 is partially worn, the worn portion can be moved into the holding space by rotating the contact 514 while the unworn portion extends beyond the contact end 513, thereby increasing the service life of the contact 514.

The contact 514 is made of a material with better wear resistance, so that the bearing ring 3 is less worn when released, and the positioning precision is higher. In addition, the contact 514 is held by two holding arms 512, so that the contact 514 can be replaced after the contact 514 is worn to a certain extent.

As shown in fig. 6, each positioning member 51 is further provided with an angle adjustment assembly 55, and the angle adjustment assembly 55 includes at least two adjustment units sequentially distributed along the length direction of the positioning member 51. The adjustment unit comprises a lifting rod, the action end of the lifting rod is arranged towards the reference part 52, and the lifting rod can be axially adjusted relative to the positioning part 51.

The angle adjusting assembly 55 can adjust the fitting degree of the contact 514 and the outer side surface of the bearing ring 3 by adjusting the installation angle of the positioning member 51 relative to the reference member 52, so that the stress condition between the contact 514 and the bearing ring 3 is improved, the damage of the contact 514 to the finish degree of the outer side surface of the bearing ring 3 in the grinding process can be reduced, and the product quality is improved.

It should be noted that, in order to better embody the operation and adjustment effect of the angle adjustment assembly 55, an exaggerated drawing is adopted in fig. 6. In the actual production process, the clearance between the contact 514 and the outer side surface of the bearing ring 3 is small, the adjustment range of the corresponding angle adjustment assembly 55 is small, and the influence on the second adjustment assembly 53 is small.

The utility model provides a full abrasive machining anchor clamps and processing equipment that fill mouth of bearing rolling element, includes at least the following step:

step one first of all, the position of the reference member 52 with respect to the housing 2 is adjusted by means of the first adjustment assembly 54, according to the type and type of bearing. The position of the positioning member 51 relative to the reference member 52 is then adjusted by the second adjustment assembly 53 according to the type of bearing. The first adjustment assembly 54 is operative to perform a coarse adjustment of the jig 5 and the second adjustment assembly 53 is operative to perform a fine adjustment of the jig 5.

And step two, placing the bearing ring 3 to be processed into the fixture 5, wherein the reference part 52 is in contact with the end part of the bearing ring 3 to axially position the bearing ring 3, and the positioning part 51 is in contact with the outer side surface of the bearing ring 3 to radially position the bearing ring 3. The excitation unit 1 excites the magnetic field, the bottom plate 522 is matched with the magnetic conduction member 521 together, the magnetic field in the magnetic conduction member 521 area is enhanced, and the bearing ring 3 is adsorbed on the magnetic conduction member 521.

The exciting unit 1 may perform the excitation adsorption after the bearing ring 3 is positioned with respect to the jig 5, or may perform the excitation adsorption on the bearing ring 3 first and then perform the fine adjustment of the bearing ring 3 with respect to the jig 5.

And step three, grinding the bearing ring 3 by the grinding unit 4.

And step four, stopping the work of the excitation unit 1, and taking down the processed bearing ring 3.

Furthermore, between the second step and the third step, the contact condition of each contact 514 and the corresponding outer side surface of the bearing ring 3 is checked, and the position of each lifting rod relative to the positioning member 51 is adjusted according to the contact degree of each contact 514 and the outer side surface of the bearing ring 3.

In conclusion, the above description is only for the preferred embodiment of the present invention and should not be construed as limiting the present invention, and any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a full abrasive machining anchor clamps that fill mouth of bearing rolling element which characterized in that: the positioning device comprises a reference part and a positioning part, wherein the position of the positioning part relative to the reference part is adjustable; the reference part comprises a bottom plate and magnetic conduction parts, and the magnetic conduction parts are distributed on the bottom plate; the magnetic conduction part is made of ferromagnetic materials, and the bottom plate is made of non-ferromagnetic materials.

2. The abrasive machining fixture of claim 1, characterized in that: the magnetic conduction piece is strip-shaped.

3. The abrasive machining fixture of claim 1, characterized in that: the second adjusting assembly is arranged between the positioning piece and the reference piece and comprises a second adjusting groove and a second locking assembly, and the second adjusting groove is formed in the positioning piece or the reference piece.

4. The abrasive machining fixture of any one of claims 1-3, characterized in that: the positioning pieces are in a strip shape, the number of the positioning pieces is at least two, and the arrangement directions of at least two positioning pieces are not parallel.

5. The abrasive machining fixture of claim 4, characterized in that: one end of the positioning piece is a contact end, and the contact end is provided with a contact.

6. The abrasive machining fixture of claim 5, wherein: the contact end is provided with two clamping arms which are arranged in parallel, and a clamping space is formed between the two clamping arms; a third locking assembly used for adjusting the distance between the two clamping arms is also arranged between the two clamping arms; the contact portion is disposed in the clamping space.

7. The grinding jig according to claim 5 or 6, characterized in that: each positioning piece is also provided with an angle adjusting assembly, and the angle adjusting assembly comprises at least two adjusting units which are sequentially distributed along the length direction of the positioning piece; the adjusting unit comprises a jacking rod, the acting end of the jacking rod is arranged towards the reference part, and the jacking rod can be axially adjusted relative to the positioning part.

8. The utility model provides a full abrasive machining equipment that holds bearing rolling element and loads mouth which characterized in that: the grinding fixture comprises an excitation unit, a grinding unit and the grinding fixture as claimed in any one of claims 1 to 7, wherein the magnetic conduction piece corresponds to the excitation unit.

9. The abrasive machining apparatus according to claim 8, characterized in that: the excitation unit is arranged on the base, and the reference part is detachably connected with the base.

10. The abrasive machining apparatus according to claim 9, characterized in that: the first adjusting assembly is arranged between the reference piece and the base and comprises a first adjusting groove and a first locking assembly, and the first adjusting groove is formed in the reference piece or the base.