CN217452452U

CN217452452U - Gear chamfering clamp

Info

Publication number: CN217452452U
Application number: CN202221098494.8U
Authority: CN
Inventors: 王成良; 孔新华; 朱绍峰; 段峰; 辛业
Original assignee: Taian Taishan Fushen Gearbox Co ltd
Current assignee: Taian Taishan Fushen Gearbox Co ltd
Priority date: 2022-05-09
Filing date: 2022-05-09
Publication date: 2022-09-20
Anticipated expiration: 2032-05-09

Abstract

The utility model discloses a gear chamfering clamp, which has the key points of the technical proposal that the gear chamfering clamp comprises a positioning shaft which is connected with a machine tool; the rotating sleeve is sleeved outside the positioning shaft and is rotationally connected with the positioning shaft; the gear sleeve is arranged outside the rotating sleeve and can rotate along with the rotating shaft; through setting up the rotation cover and the location axle for the gear can with rotate the synchronous rotation of cover in the processing, makes fish tail and damage can not appear in the hole of gear, and need not leave the clearance between gear and the rotation cover, makes the profile of tooth arris-grinding more even.

Description

Gear chamfering fixture

Technical Field

The utility model relates to a gear machining's technical field, more specifically the theory that says so, it relates to a gear chamfering anchor clamps.

Background

The tooth profile grinding edge mainly aims at eliminating stress concentration at an acute position, ensuring the quality of a gear and improving the smoothness of gear meshing, when the tooth profile grinding edge is ground, the gear needs to be driven by grinding a knife to rotate, an existing grinding edge tool is a step optical axis, after a machine tool is fixed, the gear and the tool cannot synchronously rotate, the gear and the tool are driven by grinding the knife to relatively rotate, the rotation can scratch and damage an inner hole of the gear, the technical indexes such as the size, the cylindricity and the roughness of the inner hole of the gear can be changed, the processing precision of a subsequent process is influenced, in order to realize the rotation of the gear, the gap between the inner hole and the tool is too large, the gear is unstable, the gear shakes in the working process, and the tooth profile grinding edge is not uniform.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a gear chamfering anchor clamps, it is through setting up rotation cover and location axle for the gear can rotate with the rotation cover is synchronous in processing, makes fish tail and damage can not appear in the hole of gear, and need not leave the clearance between gear and the rotation cover, makes the profile of tooth arris-grinding more even.

In order to achieve the above purpose, the utility model provides a following technical scheme: a gear chamfering fixture comprises a positioning shaft, a positioning shaft and a positioning shaft, wherein the positioning shaft is connected with a machine tool;

the rotating sleeve is sleeved outside the positioning shaft and is rotationally connected with the positioning shaft;

the gear sleeve is arranged outside the rotating sleeve and can rotate along with the rotating shaft.

Through adopting above-mentioned technical scheme, through setting up rotating sleeve and location axle for the gear can rotate with rotating sleeve synchronous when processing, makes fish tail and damage can not appear in the hole of gear, and need not leave the clearance between gear and the rotating sleeve, makes the profile of tooth arris-grinding more even.

The utility model discloses further set up to: the positioning shaft comprises a first shaft body, the first shaft body extends into the rotating sleeve, and a bearing for rotatably connecting the first shaft body and the rotating sleeve is arranged on the outer side of the first shaft body;

and a second shaft body extending from the rotating sleeve and connected to the machine tool.

Through adopting above-mentioned technical scheme, through setting up the bearing for it is more smooth and easy to rotate the rotation of cover outside the location axle.

The utility model discloses further set up to: one end of the rotating sleeve, which is close to the connecting end of the positioning shaft and the airport, is provided with a limiting groove;

the positioning shaft further comprises a third shaft body which is arranged between the first shaft body and the second shaft body and positioned in the limiting groove, and a thrust bearing which is used for rotatably connecting the third shaft body and the positioning shaft is arranged on one side of the third shaft body, which is close to the first shaft body.

The utility model discloses further set up to: and one side of the third shaft body, which is close to the first shaft body, is provided with an annular groove, one end of the thrust bearing is abutted against one side, which is far away from the first shaft body, of the annular groove, and the other end of the thrust bearing is abutted against one side, which is far away from the second shaft body, of the limiting groove.

The utility model discloses further set up to: a first dustproof groove is formed in the outer side of the limiting groove and is an annular groove, and a first dustproof felt ring which is annularly arranged is embedded in the first annular groove.

The utility model discloses further set up to: an isolation ring is arranged on the inner side of the rotating sleeve, and the isolation ring is clamped in the middle by a bearing and a thrust bearing.

The utility model discloses further set up to: and a gland is sleeved at one end of the first shaft body, which is far away from the second shaft body, and compresses the bearing on the isolating ring.

The utility model discloses further set up to: the gland outside is provided with the second dust prevention groove of seting up on rotating the cover, and the second dust prevention groove is the ring channel, and the embedding has the second dustproof felt that is the annular and sets up in the middle of the second dust prevention groove.

The utility model discloses further set up to: the outer side of the rotating sleeve is provided with a plurality of fixing steps which are annularly arranged.

The utility model discloses further set up to: still include the position sleeve, the position sleeve is provided with a plurality ofly, and the external diameter of different position sleeves is different, and the position sleeve can overlap and establish the fixed step outside that the diameter is the biggest.

Through adopting above-mentioned technical scheme, can process not unidimensional gear through setting up a plurality of fixed steps and a plurality of position sleeve.

To sum up, the utility model discloses compare and have following beneficial effect in prior art:

1. the utility model has the advantages that the gear can synchronously rotate with the rotating sleeve when being processed by arranging the rotating sleeve and the positioning shaft, so that the inner hole of the gear can not be scratched or damaged, and a gap is not required to be left between the gear and the rotating sleeve, so that the tooth profile is more uniform in edge grinding;

2. the utility model has the advantages that the bearing is arranged, so that the rotation of the rotating sleeve outside the positioning shaft is smoother;

3. the utility model discloses a set up a plurality of fixed steps and a plurality of position sleeve and can process not unidimensional gear.

Drawings

Fig. 1 is a schematic view of the overall structure of the embodiment.

In the figure: 1. positioning the shaft; 11. a first shaft body; 12. a second shaft body; 13. a third shaft body; 131. an annular groove; 2. rotating the sleeve; 21. a limiting groove; 22. a first dust-proof slot; 23. a second dust-proof slot; 24. fixing the step; 3. a bearing; 4. a thrust bearing; 5. a first dust-proof felt; 6. a second dust-proof felt; 7. a gland; 8. a bolt; 81. a flat washer; 82. a spring washer; 9. a positioning sleeve.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the following description, in combination with the drawings of the present invention, clearly and completely describes the technical solution of the present invention, and based on the embodiments in the present application, other similar embodiments obtained by those skilled in the art without making creative efforts shall all belong to the protection scope of the present application. In addition, directional terms such as "upper", "lower", "left", "right", etc. in the following embodiments are directions with reference to the drawings only, and thus, the directional terms are used for illustrating the present invention and not for limiting the present invention.

The present invention will be further described with reference to the accompanying drawings and preferred embodiments.

Example (b): a gear chamfering clamp is shown in the attached figure 1 and comprises a positioning shaft 1 connected with a machine tool and a rotating sleeve 2 sleeved on the outer side of the positioning shaft 1 and rotatably connected with the positioning shaft 1; when the gear is machined, the gear is sleeved on the outer side of the rotating sleeve 2, when the gear is machined, the gear and the rotating sleeve 2 are driven by the grinding knife to rotate on the outer side of the positioning shaft 1, and relative rotation is not generated between the gear and the rotating sleeve 2. The inner hole of the gear can not be scratched or damaged, and a gap does not need to be left between the gear and the rotating sleeve 2, so that the tooth profile grinding edge is more uniform.

Specifically, the positioning shaft 1 includes a first shaft body 11, a second shaft body 12 and a third shaft body 13; the first shaft body 11 extends into the rotating sleeve 2, and a bearing 3 which rotatably connects the first shaft body 11 and the rotating sleeve 2 is arranged outside the first shaft body 11. Through setting up bearing 3 for the rotation of rotating sleeve 2 outside location axle 1 is more smooth and easy.

Specifically, the second shaft body 12 extends from the rotating sleeve 2 and can be connected with a machine tool, and the third shaft body 13 is arranged between the first shaft body 11 and the second shaft body 12; set up first axis body 11, second axis body 12, third axis body 13 and rotate the cover 2 coaxial, set up a spacing groove 21 in the one end that rotates cover 2 and be close to second axis body 12, spacing groove 21 and the coaxial setting of rotating cover 2, spacing groove 21 and the 2 hole intercommunications of rotating cover and the diameter that spacing groove 21 external diameter is greater than the 2 holes of rotating cover. The third shaft body 13 is disposed in the rotating sleeve 2, and a thrust bearing 4 that rotatably connects the third shaft body 13 to the rotating sleeve 2 is provided at an end of the third shaft body 13 near the first shaft body 11.

Specifically, an annular groove 131 is formed at one end of the third shaft body 13 close to the first shaft body 11, one end of the thrust bearing 4 is inserted into the annular groove 131 and abuts against one side of the annular groove 131 far away from the first shaft body 11, and the other end of the thrust bearing 4 abuts against one side of the limiting groove 21 far away from the second shaft body 12.

Specifically, a first dustproof groove 22 is formed in the outer side of the limiting groove 21, the first dustproof groove 22 is an annular groove 131, and a first dustproof felt 5 which is annularly arranged is embedded in the first annular groove 131. The first dustproof felt ring 5 is fitted and sleeved on the outer side of the third shaft body 13, and through the first dustproof felt ring 5, external dust can be prevented from entering the thrust bearing 4 through the gap between the third shaft body 13 and the rotating sleeve 2.

Specifically, an isolation ring is arranged at a position, close to the limiting groove 21, on the inner side of the rotating sleeve 2, the isolation ring and the rotating sleeve 2 are coaxially arranged, one side, close to the limiting groove 21, of the isolation ring is flush with one side, close to the isolation ring, of the limiting groove 21, and the thrust bearing 4 is attached to the isolation ring; specifically, the bearing 3 is attached to one side, away from the thrust bearing 4, of the isolation ring, and the isolation ring is clamped between the bearing 3 and the thrust bearing 4.

Specifically, this embodiment still includes a gland 7, and the gland 7 cover is established in the one end of first axis body 11 keeping away from second axis body 12, can compress tightly bearing 3 on the separating ring through gland 7. Specifically, a bolt 8 is screwed to an end of the first shaft 11 away from the second shaft 12, a flat washer 81 is sleeved outside a screw of the bolt 8, the flat washer 81 can be pressed against an end of the second shaft 12 away from the gland 7, and by tightening the bolt 8, a pressure can be applied to the flat washer 81 through a head of the bolt 8, so that the gland 7 is pressed against the bearing 3 through the flat washer 81. Specifically, a spring washer 82 is sleeved on the outer side of the screw, the spring washer 82 is located on one side, away from the second shaft body 12, of the flat washer 81, and the bolt 8 can not easily fall off from the first shaft body 11 under the action of vibration due to the arrangement of the spring washer 82.

Specifically, a second dustproof groove 23 formed in the positioning sleeve 9 is formed in the outer side of the gland 7, the second dustproof groove 23 is an annular groove 131, and a second dustproof felt 6 arranged in an annular shape is embedded in the second dustproof groove 23.

Specifically, a plurality of fixing steps 24 which are annularly arranged are arranged on the outer side of the rotating sleeve 2, and the fixing steps 24 are coaxially arranged with the rotating sleeve 2; the outer diameters of the plurality of fixed steps 24 are different, and when gears with different diameters are machined, the gears can be fixed on the fixed steps 24 with corresponding diameters, so that the rotating sleeve 2 can fix the gears with different diameters. Specifically, one end of the rotating sleeve 2, which is far away from the second shaft body 12, is close to one end of the rotating sleeve 2, which is close to the second shaft body 12, the outer diameter of the fixed step 24 is gradually increased, and the fixed step 24 is arranged, so that the gear with the small diameter can be smoothly fixed on the fixed step 24 with the corresponding diameter.

Specifically, this embodiment still includes a plurality of position sleeve 9, and the internal diameter of position sleeve 9 is the same, and the external diameter is different, and position sleeve 9 can overlap the fixed step 24 outside that the external diameter is the biggest. Through setting up a plurality of position sleeves 9, can increase the model of the gear that the cover 2 can be fixed rotates for the gear of more models can be fixed and is processed on rotating cover 2.

The working principle of the gear chamfering die when in use is as follows: when the gear is machined, the gear is sleeved on the outer side of the rotating sleeve 2, when the gear is machined, the gear and the rotating sleeve 2 are driven by the knife grinder to rotate on the outer side of the positioning shaft 1, and relative rotation is not generated between the gear and the rotating sleeve 2.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a gear chamfering anchor clamps which characterized in that: comprises a positioning shaft (1) which is connected with a machine tool;

the rotating sleeve (2) is sleeved on the outer side of the positioning shaft (1) and is rotatably connected with the positioning shaft (1);

the gear is sleeved on the outer side of the rotating sleeve (2) and can rotate along with the rotating shaft.

2. The gear chamfering fixture according to claim 1, wherein: the positioning shaft (1) comprises a first shaft body (11), the first shaft body (11) extends into the rotating sleeve (2), and a bearing (3) which is used for rotatably connecting the first shaft body (11) and the rotating sleeve (2) together is arranged on the outer side of the first shaft body (11);

and a second shaft body (12) which extends from the rotating sleeve (2) and is connected to a machine tool.

3. The gear chamfering fixture according to claim 2, wherein: one end of the rotating sleeve (2) close to the connecting end of the positioning shaft (1) and the airport is provided with a limiting groove (21);

the positioning shaft (1) further comprises a third shaft body (13) which is arranged between the first shaft body (11) and the second shaft body (12) and located in the limiting groove (21), and a thrust bearing (4) which is used for rotatably connecting the third shaft body (13) with the positioning shaft (1) is arranged on one side, close to the first shaft body (11), of the third shaft body (13).

4. The gear chamfering fixture according to claim 3, wherein: an annular groove (131) is formed in one side, close to the first shaft body (11), of the third shaft body (13), one end of the thrust bearing (4) abuts against one side, away from the first shaft body (11), of the annular groove (131), and the other end of the thrust bearing abuts against one side, away from the second shaft body (12), of the limiting groove (21).

5. The gear chamfering fixture according to claim 4, wherein: first dust-proof groove (22) have been seted up to spacing groove (21) outside, and first dust-proof groove (22) are ring channel (131), and the embedding has in the middle of first ring channel (131) to be the first dustproof felt circle (5) of annular setting.

6. The gear chamfering fixture according to claim 5, wherein: the inner side of the rotating sleeve (2) is provided with an isolating ring, and the isolating ring is clamped in the middle by the bearing (3) and the thrust bearing (4).

7. The gear chamfering fixture according to claim 6, wherein: one end of the first shaft body (11) far away from the second shaft body (12) is sleeved with a gland (7), and the gland (7) compresses the bearing (3) on the isolating ring.

8. The gear chamfering fixture according to claim 7, wherein: the outer side of the gland (7) is provided with a second dustproof groove (23) formed in the rotating sleeve (2), the second dustproof groove (23) is an annular groove (131), and a second dustproof felt ring (6) arranged in an annular mode is embedded into the second dustproof groove (23).

9. The gear chamfering fixture according to claim 8, wherein: a plurality of fixing steps (24) which are annularly arranged are arranged on the outer side of the rotating sleeve (2).

10. The gear chamfering fixture according to claim 9, wherein: still include position sleeve (9), position sleeve (9) are provided with a plurality ofly, and the external diameter of different position sleeve (9) is different, and position sleeve (9) can overlap and establish the fixed step (24) outside that the diameter is the biggest.