CN213561703U

CN213561703U - Oilstone chuck for super-lapping of bearing outer ring channel

Info

Publication number: CN213561703U
Application number: CN202022008125.2U
Authority: CN
Inventors: 陆程炜; 陆君周
Original assignee: Cixi Haoge Machinery Co Ltd
Current assignee: Cixi Haoge Machinery Co Ltd
Priority date: 2020-09-15
Filing date: 2020-09-15
Publication date: 2021-06-29
Anticipated expiration: 2030-09-15

Abstract

The utility model discloses a super lapping of bearing inner race channel uses whetstone chuck, including the cramping body of placing the whetstone and the clamp plate part that compresses tightly the whetstone, cramping body up end front end is equipped with the centre gripping hole, and the centre gripping hole divide into two sections, and one section is the round platform hole section, and the other end is the cylinder hole section, and cramping body rear end is equipped with the dog, can place the whetstone in the centre gripping hole, is equipped with the spout on the clamp plate part, and the spout can cooperate with fastening screw, and when the clamp plate part cooperates with the cramping body through fastening screw, the clamp plate part still cooperates with whetstone and dog respectively; the utility model has the advantages that: through making into the centre gripping hole the combination of round platform hole and cylinder hole, still make into the oilstone simultaneously with centre gripping hole complex round platform section and cylinder section, cooperate through circular shape cross-section, can realize that the oilstone is locked on the circumferencial direction, can guarantee simultaneously that the oilstone can not drop after putting into, through compressing tightly of clamp plate again, guarantee that the oilstone is locked in perpendicular working plane direction, and then the oilstone is very steady at the during operation.

Description

Oilstone chuck for super-lapping of bearing outer ring channel

Technical Field

The utility model relates to a bearing processing field especially relates to a super lapping of bearing inner race channel is with oilstone chuck.

Background

In the ultra-precision grinding processing of the deep groove ball bearing channel, in order to improve the surface quality of the bearing channel, the roughness of the deep groove ball bearing channel is improved, so that the service life of the deep groove ball bearing is prolonged; the super-finishing working procedure is the last cutting procedure of the deep groove ball bearing working procedure, and the key point is to ensure that the working end face of the oilstone can stably contact with the surface of a groove and regularly swing, and the key point influencing the stable work of the oilstone is a clamping head for clamping the oilstone.

The structure of the existing oilstone chuck for bearing outer ring ultra-fine grinding is shown in figure 1, a rectangular clamping hole 2 is arranged on the side wall of the front end of a clamping body 1, oilstones with cross sections matched with the cross sections of the clamping hole 2 are placed in the clamping hole 2, the oilstones are pressed by a pressing plate 3 at the side edge of the clamping hole 2 under the action of a fastening screw 4, at the moment, the oilstones are locked in the clamping hole 2 in the direction vertical to the pressing plate 3 and have certain shaking in the direction parallel to the pressing plate 3, meanwhile, certain sliding can be generated in the vertical direction, the fastening screw 4 on the pressing plate 3 is positioned at the side edge of the clamping hole 2, when the fastening screw 4 is pressed, as the oilstones extend out of the clamping hole 2, the pressing plate 3 and the side edge of the clamping body 1 are in an inclined state, the contact with the end face of the oilstones is changed from surface contact into line contact, the clamping effect is reduced, and the contact between the working end face of the oilstones and the surface of a channel is unstable, and further influences the processing quality of the inner surface channel of the outer ring of the deep groove ball bearing.

Disclosure of Invention

The utility model discloses to the condition among the background art, provide a bearing inner race channel oilstone chuck for super lapping, can effectively solve the problem among the above-mentioned background art.

In order to solve the technical problem, the utility model discloses a following technical scheme can solve: the utility model provides a super lapping of bearing inner race channel is with oilstone chuck, is including the centre gripping body of placing the oilstone and compress tightly the clamp plate part of oilstone, centre gripping body up end front end is equipped with the centre gripping hole, centre gripping body rear end is equipped with the dog, can place in the centre gripping hole the oilstone, clamp plate part is the L type, be equipped with the spout on the clamp plate part, the spout can with fastening screw cooperation, work as clamp plate part passes through fastening screw with when the centre gripping body cooperates, clamp plate part still respectively with the oilstone with the dog cooperation.

Preferably, the clamping hole is divided into two sections, one section is a circular truncated cone hole section, and the other end is a cylindrical hole section.

Preferably, the oilstone is divided into two sections, the upper section is a circular table section, the lower section is a cylindrical section, the lower surface of the cylindrical section is a working end surface, the circular table section can be matched with the circular table hole section, and the cylindrical section can be matched with the cylindrical hole section.

Preferably, the clamping body is further provided with a threaded hole, the threaded hole is located in the side face of the clamping body, and the threaded hole can be matched with the fastening screw.

Preferably, the stop block is divided into two sections, one section is located at the rear end of the clamping upper end face, and the other section is located at the rear end of the end face where the threaded hole is located.

Preferably, the pressing plate component comprises a pressing plate and a side connecting plate, the pressing plate is fixedly connected with the side connecting plate, and the sliding groove is formed in the side connecting plate.

Preferably, the height of the stopper is greater than the length of the sliding groove.

Preferably, the length of the cylindrical section is 1.2 to 1.5 times that of the cylindrical hole section.

The utility model has the advantages that: the clamping holes are made into the combination of the circular table holes and the cylindrical holes, the oilstone is made into the circular table section and the cylindrical section which are matched with the clamping holes, the oilstone can be locked in the circumferential direction through the matching of the circular sections, meanwhile, the large and small holes of the circular table can ensure that the oilstone cannot fall down after being placed in the circular table, and then the oilstone can be locked in the direction vertical to the working plane through the compression of the pressing plate, so that the stability of the oilstone during working is ensured; the sliding grooves are formed in the side connecting plates, so that when the height of the oilstone is different, the oilstone can be fixed through the fastening screws when the pressing plate component is matched with the oilstone by adjusting the height of the pressing plate component; meanwhile, the segmented stop blocks can be matched with the rear end of the pressing plate component all the time, and the pressing plate component is guaranteed not to incline when being fastened after being matched with the oilstone.

Drawings

Fig. 1 is a schematic structural view of a conventional oilstone chuck for ultra-lapping of a bearing outer ring.

Fig. 2 is a schematic structural diagram of the present invention.

Fig. 3 is a front sectional view of the present invention.

Fig. 4 is a schematic view of the structure of the clamping body of the present invention.

Fig. 5 is a schematic view of the structure of the pressing plate of the present invention.

Fig. 6 is a schematic view of the structure of the oilstone of the present invention.

In the figure: the clamping device comprises a clamping body 1, a clamping hole 2, a pressing plate 3, a screw 4, a stop block 5, a sliding groove 6, an oilstone 7, a circular table section 71, a cylindrical section 72, a working end face 73, a threaded hole 8, a pressing plate part 9, a side connecting plate 10 and a clamping handle 11.

Detailed Description

The technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments described in the present disclosure, all other embodiments obtained by a person skilled in the art without creative efforts are within the scope of the present disclosure.

As shown in fig. 1 to 6, the oilstone chuck for super-finishing of the bearing outer ring channel comprises a clamping body 1 for placing an oilstone 7 and a pressing plate member 9 for pressing the oilstone 7, wherein a clamping hole 2 is formed in the front end of the upper end face of the clamping body 1, the clamping hole 2 is divided into two sections, one section is a circular truncated cone hole section, the other end is a cylindrical hole section, a stopper 5 is arranged at the rear end of the clamping body 1, the oilstone 7 can be placed in the clamping hole 2, the pressing plate member 9 is L-shaped, a sliding groove 6 is formed in the pressing plate member 9, the sliding groove 6 can be matched with a fastening screw 4, and when the pressing plate member 9 is matched with the clamping body 1 through the fastening screw 4, the pressing plate member 9 is further matched with the oilstone 7 and the stopper 5 respectively.

The oilstone 7 is divided into two sections, the upper section is a circular truncated cone section 71, the lower section is a cylindrical section 72, the lower surface of the cylindrical section 72 is a working end surface 73, the circular truncated cone section 71 can be matched with the circular truncated cone hole section, and the cylindrical section 72 can be matched with the cylindrical hole section.

The clamping body 1 is further provided with a threaded hole 8, the threaded hole 8 is located in the side face of the clamping body 1, and the threaded hole 8 can be matched with the fastening screw 4.

The stop block 5 is divided into two sections, one section is positioned at the rear end of the clamping upper end face, and the other section is positioned at the rear end of the end face where the threaded hole 8 is positioned.

The pressing plate component 9 comprises a pressing plate 3 and a side connecting plate 10, the pressing plate 3 is fixedly connected with the side connecting plate 10, and the sliding groove 6 is formed in the side connecting plate 10.

The height of the stop 5 is greater than the length of the chute 6.

The length of the cylindrical section 72 is 1.2 to 1.5 times the length of the cylindrical bore section.

The rear end of the clamping body 1 is also fixedly connected with a clamping handle 11, and the clamping handle 11 can be connected with an oilstone 7 swing mechanism.

The specific working process is as follows: initial state, the clamping body 1 is in the separation state with clamp plate part 9, after oilstone 7 put into the centre gripping hole 2 on the clamping body 1, with clamp plate part 9 upside even board 10 and the 8 terminal surface laminating of clamping body 1 screw hole, simultaneously with clamp plate part 9 rear end and the laminating of dog 5, then to compressing tightly clamp plate part 9 down, guarantee that clamp plate 3 compresses tightly oilstone 7 terminal surface and be in the horizontality with oilstone 7 terminal surface, then pass spout 6 through fastening screw 4 and fix clamp plate part 9 and clamping body 1, because oilstone 7's length probably is different, can adjust clamp plate part 9 according to oilstone 7's length through spout 6, the laminating of dog 5 and clamp plate part 9 terminal surface simultaneously, can guarantee that clamp plate part 9 is in the horizontality all the time, do not produce the slope.

Claims

1. The utility model provides a super lapping of bearing inner race channel is with oilstone chuck, is including the holding body (1) of placing oilstone (7) and compress tightly clamp plate part (9) of oilstone (7), its characterized in that: the clamping device is characterized in that a clamping hole (2) is formed in the front end of the upper end face of the clamping body (1), a stop block (5) is arranged at the rear end of the clamping body (1), oilstone (7) can be placed in the clamping hole (2), the pressing plate component (9) is of an L type, a sliding groove (6) is formed in the pressing plate component (9), the sliding groove (6) can be matched with a fastening screw (4), when the pressing plate component (9) passes through the fastening screw (4) and the clamping body (1) are matched, the pressing plate component (9) is further respectively matched with the oilstone (7) and the stop block (5).

2. The oilstone chuck for super-lapping of the bearing outer ring channel as claimed in claim 1, wherein: the clamping hole (2) is divided into two sections, one section is a circular truncated cone hole section, and the other end is a cylindrical hole section.

3. The oilstone chuck for super-lapping of the bearing outer ring channel as claimed in claim 2, wherein: the oilstone (7) is divided into two sections, the upper section is a circular table section (71), the lower section is a cylindrical section (72), the lower surface of the cylindrical section (72) is a working end surface (73), the circular table section (71) can be matched with the circular table hole section, and the cylindrical section (72) can be matched with the cylindrical hole section.

4. The oilstone chuck for super-lapping of the bearing outer ring channel as claimed in claim 1, wherein: the clamping body (1) is further provided with a threaded hole (8), the threaded hole (8) is located in the side face of the clamping body (1), and the threaded hole (8) can be matched with the fastening screw (4).

5. The oilstone chuck for super-lapping of the bearing outer ring channel as claimed in claim 4, wherein: the stop block (5) is divided into two sections, one section is positioned at the rear end of the upper end surface of the clamping body (1), and the other section is positioned at the rear end of the end surface where the threaded hole (8) is positioned.

6. The oilstone chuck for super-lapping of the bearing outer ring channel as claimed in claim 1, wherein: the pressing plate component (9) comprises a pressing plate (3) and a side connecting plate (10), the pressing plate (3) is fixedly connected with the side connecting plate (10), and the sliding groove (6) is formed in the side connecting plate (10).

7. The oilstone chuck for super-lapping of the bearing outer ring channel as claimed in claim 6, wherein: the height of the stop block (5) is greater than the length of the sliding groove (6).

8. The oilstone chuck for super-lapping of the bearing outer ring channel as claimed in claim 3, wherein: the length of the cylindrical section (72) is 1.2 to 1.5 times the depth of the cylindrical hole section.