CN214383042U

CN214383042U - Finish turning clamp for transmission shaft gland

Info

Publication number: CN214383042U
Application number: CN202022981045.5U
Authority: CN
Inventors: 刘星; 乔茂; 刘海利
Original assignee: Baoji Fast Gear Co Ltd
Current assignee: Baoji Fast Gear Co Ltd
Priority date: 2020-12-10
Filing date: 2020-12-10
Publication date: 2021-10-12
Anticipated expiration: 2030-12-10

Abstract

The utility model discloses a finish turning clamp of a transmission shaft gland, which is used for clamping the transmission shaft gland and comprises a clamp body, wherein the bottom end of the clamp body is provided with a fixed end which is fixedly connected with a lathe spindle, and the clamp body is sequentially provided with an avoidance table, a support table and a positioning end from bottom to top along the vertical direction; the positioning end is detachably penetrated with a positioning bolt along the horizontal direction, and the positioning bolt is used for sleeving the transmission shaft gland; the end part of the positioning bolt is provided with a fastener, and the fastener is used for adjusting the distance between the positioning bolt and the positioning end to realize the fastening of the transmission shaft gland. The utility model discloses a finish turning anchor clamps of transmission shaft gland easy operation uses numerical control lathe, and processing is quick, only needs 1.5 minutes, and half limit hole size is stable, satisfies the drawing requirement. Through the clamp, the machining efficiency of the workpiece can be improved, the rejection rate can be reduced, and the workshop production requirement is met.

Description

Finish turning clamp for transmission shaft gland

Technical Field

The utility model relates to a gearbox technical field, concretely relates to finish turning anchor clamps of transmission shaft gland.

Background

With the common application of the gearboxes at home and abroad, the performance requirement of the gearboxes is greatly improved, so that the assembly size requirement of the output flange and the accessories thereof is relatively strict, and the half-edge aperture requirement D (0-0.04) is met. The conventional method for machining the half-edge hole in China uses a machining center for milling, the machining efficiency cannot meet the requirement of batch production of a production line, and repeated clamping is needed. At present, no corresponding clamp can meet the requirements of batch production and rapid processing. When the parts are usually machined, a machining center is used for milling, the machining efficiency is low, the general time is 15-20 minutes, the size of a half-edge hole is unstable, and waste products are easily generated.

SUMMERY OF THE UTILITY MODEL

To the technical problem that exists at present stage, the utility model aims at providing a finish turning anchor clamps of transmission shaft gland can improve the machining efficiency of work piece, reduces the rejection rate, satisfies workshop production demand.

In order to achieve the above object, the utility model discloses a following technical scheme:

a finish turning clamp of a transmission shaft gland is used for clamping the transmission shaft gland and comprises a clamp body, wherein the bottom end of the clamp body is provided with a fixed end which is fixedly connected with a lathe spindle, the clamp body is sequentially provided with a first avoiding platform, a second avoiding platform and a positioning end from bottom to top along the vertical direction, and the first avoiding platform and the second avoiding platform are respectively arranged on two sides of the positioning end;

the positioning end is detachably penetrated with a positioning bolt along the horizontal direction, and the positioning bolt is used for sleeving and fixing the transmission shaft gland;

the end part of the positioning bolt is provided with a fastener, and the fastener is used for adjusting the distance between the positioning bolt and the positioning end to realize the fastening of the transmission shaft gland.

Furthermore, the first avoidance table is used for reserving a working space for dismounting the fastener, and the second avoidance table is used for reserving a working space for mounting the transmission shaft gland;

the positioning end is contacted with the transmission shaft gland, and the second avoidance table is not contacted with the transmission shaft gland;

the supporting platform is higher than the avoidance platform.

Furthermore, a plurality of fixing holes are formed in the clamp body, and screws used for fixing the clamp body on a lathe spindle are arranged in the fixing holes.

More specifically, the number of screws is at least 4.

Specifically, the positioning end is provided with a positioning hole for installing a positioning bolt.

More specifically, the screw is a socket head cap screw.

More specifically, the fastener is a wing nut.

Furthermore, chamfers are arranged on the clamp body and the positioning end.

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

the utility model discloses a finish turning anchor clamps of transmission shaft gland easy operation uses numerical control lathe, and processing is quick, only needs 1.5 minutes, and half limit hole size is stable, satisfies the drawing requirement. Through the clamp, the machining efficiency of the workpiece can be improved, the rejection rate can be reduced, and the workshop production requirement is met.

Drawings

The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:

FIG. 1 is a front view of a finish turning fixture for a drive shaft gland;

FIG. 2 is a top view of a finish turning fixture for the drive shaft gland;

FIG. 3 is a schematic structural view of the body;

the reference numerals in the figures denote:

1. a body; 11. a fixed end; 12. an avoidance table; 13. a support table; 14. a positioning end; 15. positioning holes; 2. positioning the bolt; 3. a fastener; 4. and (4) screws.

Detailed Description

It should be noted that, when describing the present invention in terms of orientation, the terms "upper end", "lower end", and the like, indicate an orientation or positional relationship only for the convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation. If the particular gesture changes, the directional indication changes accordingly. In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.

In the drawings of the present invention, the broken line indicates the transmission shaft gland (part).

With reference to fig. 1-3, the present embodiment discloses a finish turning fixture for a transmission shaft gland, which is used for clamping the transmission shaft gland, and in order to realize rapid production change, a horizontal fixture structure is adopted, and specifically includes a fixture body 1, a fixed end 11 for connecting and fixing with a lathe spindle is arranged at the bottom end of the fixture body 1, and can be connected and fixed with a standard interface of a machine tool, the fixture body 1 can be rapidly installed on a numerical control horizontal lathe, the fixture body 1 is sequentially provided with a first avoiding table 12, a second avoiding table 13 and a positioning end 14 from bottom to top along a vertical direction, and the first avoiding table 12 and the second avoiding table 13 are respectively arranged at two sides of the positioning end 14;

the clamp body 1 simulates the shape of a part, and half steps are milled to form a second avoidance table 13, the second avoidance table 13 and a positioning end 14, so that the part can be quickly clamped.

The positioning end 14 is detachably provided with a positioning bolt 2 in a penetrating manner along the horizontal direction, and the positioning bolt 2 is used for sleeving and fixing the transmission shaft gland; as can be seen in fig. 1 and 2, the drive shaft gland (component) is shown in dashed lines. The part is semicircular structure, sets up the installation position on the both ends of diameter direction, is provided with 2 mounting holes on the installation position.

The end part of the positioning bolt 2 is provided with a fastener 3, and the fastener 3 is used for adjusting the distance between the positioning bolt 2 and the positioning end 14 to realize the fastening of the transmission shaft gland.

Preferably, the first avoidance table 12 is used for reserving a working space for the disassembly of the fastener;

the second avoidance table 13 is used for reserving a working space for mounting the transmission shaft gland;

the positioning end 14 is in contact with the transmission shaft gland, specifically, as shown in fig. 1, the right side surface of the positioning end is in contact with the transmission shaft gland, the second avoiding platform 13 is not in contact with the transmission shaft gland, small errors can exist in the transmission shaft gland in the casting process, the transmission shaft gland is in a tapered structure, a certain space is reserved for the transmission shaft glands with different sizes for the second avoiding platform 13, and the applicability is high.

The height of the second avoidance table 13 is higher than that of the first avoidance table 12, and the purpose of the arrangement is to increase the processing rigidity of a finish turning clamp of the transmission shaft gland. The clamp is more stable and durable, and the service life is prolonged. If the first avoidance table 12 and the second avoidance table 13 are not arranged and only the positioning end 14 is reserved, the whole fixture is weak in rigidity, low in durability and short in service life.

Furthermore, a plurality of fixing holes are formed in the clamp body 1, and screws 4 for fixing the clamp body 1 to a lathe spindle are arranged in the fixing holes. The number of screws 4 is at least 4.

Specifically, the positioning end 14 is provided with a positioning hole 15 for installing the positioning bolt 2, and the two positioning holes 15 on the two positioning bolts 2 and the clamp body 1 are in small clearance fit, so that the machining precision can be effectively ensured.

More specifically, the screw 4 is a socket head cap screw 4. 4M 16 socket head cap screws 4 connect anchor clamps body 1 on the lathe main shaft, guarantee that anchor clamps body 1 beats within 0.01 mm.

More specifically, fastener 3 is butterfly nut, corresponds with positioning bolt 2, and butterfly nut's quantity is 2, and the available hand of 2 butterfly nuts is screwed up fast, has guaranteed quick replacement part. In addition, the fastener 3 can also be selected from other components which are convenient to screw and disassemble quickly, such as a ring nut and the like.

The utility model discloses an anchor clamps can match the positioning bolt 2 of different models according to the size of a dimension of transmission shaft gland, like the difference of thickness, adjust the elasticity degree between positioning bolt 2 and the fastener 3, realize the clamp of transmission shaft gland tightly.

Furthermore, the clamp body 1 and the positioning end 14 are provided with chamfers to prevent damage to friction parts. Alternatively, a chamfer may be provided at the bottom of the fixed end 11.

To sum up, the utility model discloses a finish turning anchor clamps of transmission shaft gland concrete operation process as follows: the clamp body 1 is fixed on a lathe spindle by using a screw 4, two positioning bolts 2 penetrate through 2 mounting holes of the transmission shaft gland and two positioning holes 15 on the positioning end, the 2 mounting holes of the transmission shaft gland correspond to the two positioning holes 15 on the positioning end one by one, then two butterfly nuts are sleeved at the end parts of the positioning bolts 2, and the clamp can be processed by screwing by hands.

The clamp is simple to operate, the numerical control lathe is used, machining is quick, only 1.5 minutes are needed, the size of a half-edge hole is stable, and the drawing requirements are met. Through the clamp, the machining efficiency of the workpiece can be improved, the rejection rate can be reduced, and the workshop production requirement is met.

The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.

It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present disclosure are not described again.

In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.

Claims

1. A finish turning clamp of a transmission shaft gland is used for clamping the transmission shaft gland and is characterized by comprising a clamp body (1), wherein a fixed end (11) used for being connected and fixed with a lathe spindle is arranged at the bottom end of the clamp body (1), a first avoiding platform (12), a second avoiding platform (13) and a positioning end (14) are sequentially arranged on the clamp body (1) from bottom to top along the vertical direction, and the first avoiding platform (12) and the second avoiding platform (13) are respectively arranged on two sides of the positioning end (14);

the positioning end (14) is detachably provided with a positioning bolt (2) in a penetrating manner along the horizontal direction, and the positioning bolt (2) is used for sleeving and fixing the transmission shaft gland;

the end part of the positioning bolt (2) is provided with a fastener (3), and the fastener (3) is used for adjusting the distance between the positioning bolt (2) and the positioning end (14) to realize the fastening of the transmission shaft gland.

2. The finish turning fixture of the transmission shaft gland according to claim 1, characterized in that the first avoidance table (12) is used for reserving a working space for dismounting the fastener (3), and the second avoidance table (13) is used for reserving a working space for mounting the transmission shaft gland;

the positioning end (14) is in contact with the transmission shaft gland, and the second avoidance table (13) is not in contact with the transmission shaft gland;

the height of the second avoidance table (13) is higher than that of the first avoidance table (12).

3. The finish turning clamp of the transmission shaft gland according to the claim 1, characterized in that a plurality of fixing holes are arranged on the clamp body (1), and screws (4) for fixing the clamp body (1) on a lathe spindle are arranged in the fixing holes.

4. The finish turning jig for a drive shaft gland according to claim 3, characterized in that the number of said screws (4) is at least 4.

5. The finish turning jig for a drive shaft gland according to claim 1, characterized in that the positioning end (14) is provided with a positioning hole (15) for mounting a positioning bolt (2).

6. The finish turning jig for a drive shaft gland according to claim 3, characterized in that the screw (4) is a socket head cap screw.

7. The finish turning jig for a drive shaft gland according to claim 1, characterized in that the fastening member (3) comprises a wing nut and a ring nut.

8. The finish turning clamp of the transmission shaft gland according to claim 1, characterized in that the clamp body (1) and the positioning end (14) are provided with chamfers.