CN220971542U - Clamping device for processing shaft end internal spline - Google Patents

Abstract

The utility model provides a clamping device for processing an internal spline of a shaft end, which comprises a workbench, a supporting plate, a support and a fixing structure, wherein the supporting plate and the support are arranged on the workbench, the fixing structure is arranged on the support and is used for fixing the upper end of a part to be processed, and a first clamping hole matched with the part to be processed is formed in the supporting plate. According to the clamping device, the long shaft type part to be machined is clamped on the supporting plate through the clamping device, the upper end of the long shaft type part to be machined passes through the supporting seat and is fixed through the clamping jaw, the clamping jaw can be pneumatically and conveniently controlled, the problems that the part clamping alignment is time and labor consuming or the clamping is unstable and unreliable are solved, a process clamping step is not required to be left, the weight of a blank is saved, the concave gear time formed between the machining process step and the conical surface of the part can be reduced, the process of turning the process step at last is omitted, the cost is saved, and the labor intensity is reduced.

Description

Clamping device for processing shaft end internal spline

Technical Field

The utility model relates to the technical field of shaft part spline machining, in particular to a clamping device for machining an inner spline of a shaft end.

Background

Various spline should be processed on the axle type part, especially at both ends, need carry out clamping with axle type part, because the clamping position and the elasticity of part directly influence the processingquality and the precision of part, consequently, the clamping of part is vital.

The spline at the other end can be directly clamped by the chuck for the part with the shorter shaft, and the middle step is required to be clamped for the part with the longer shaft, so that the influence of vibration on precision during processing is reduced. For the long shaft type part with no step in the middle part, in order to be well clamped, a process step needs to be machined in the middle part, after machining is finished, the process step needs to be machined again, so that the machining time is long, the efficiency is low, the step is arranged in the middle and clamped by clamping, a tangential component force exists during machining, the clamping of a chuck is not very stable, a sizing block is used for supporting after the clamping, the clamping is performed in a pressing plate pressing mode, but the alignment is time and labor-consuming, the alignment is only suitable for single-piece production, and the production progress is severely restricted.

Disclosure of utility model

The utility model provides a clamping device for processing an internal spline of a shaft end, which aims at the problems that a step is required to be designed for clamping an end spline of a part with a relatively long shaft at present, the step is required to be processed, the step is required to be removed after the spline is processed, so that time is wasted, and the step is possibly unstable after being clamped.

In order to achieve the above object, the present utility model provides the following technical solutions:

The utility model provides a clamping device for processing of axle head internal spline, includes workstation, backup pad, support and fixed knot construct, backup pad and support are installed on the workstation, fixed knot constructs and installs on the support, fixed knot constructs and is used for fixing the upper end of waiting to process the part, be equipped with in the backup pad with wait to process the first draw-in hole of part matching.

According to the application, the supporting plate, the support and the fixing structure are directly arranged on the workbench, one side of the long shaft part which is not required to be processed is clamped into the first clamping hole, the upper end of the long shaft part is fixed through the fixing structure, and then the inner spline at the top of the long shaft part is processed, so that steps are not required to be processed on the long shaft part, the time is saved, the upper end and the lower end of the long shaft part are fixed, and the situation of unstable clamping during processing is avoided.

Preferably, the workbench is provided with a first groove, a cover plate is arranged in the first groove, and the support plate is arranged on the cover plate. Firstly, a cover plate is arranged on a workbench, a supporting plate is arranged on the cover plate, so that the supporting plate is convenient to replace according to different long shaft parts, the supporting plate is aligned to be concentric with the workbench and then fastened, and the spline at the same end for processing parts in the same batch only needs to be aligned once without finding each time.

Preferably, one side of the supporting plate is provided with a first clamping hole, the other side of the supporting plate is provided with a second clamping hole, and different first clamping holes and second clamping holes are respectively formed in the front side and the back side of the same supporting plate, so that long shaft parts with different splines at two ends can be obtained, and one part only needs one supporting plate.

Preferably, the support comprises a bottom plate, an inner cylinder, an outer cylinder and a top plate, the bottom plate is connected with the workbench, and the fixing structure is mounted on the top plate. The upper and lower parts of the inner cylinder and the outer cylinder are respectively connected with the bottom plate and the top plate, so that the strength is better, the weight is reduced, and the labor is saved when the supporting plate is replaced.

Preferably, a reinforcing plate is connected between the top plate and the bottom plate, and the reinforcing plate is located outside the outer cylinder.

Preferably, the T-shaped groove is formed in the top plate, so that the fixing structure is convenient to install.

Preferably, the reinforcing plate is provided with a lifting hole, and the whole support and the parts above the support can be lifted through the lifting hole after one end of the reinforcing plate is processed.

Preferably, the fixed knot constructs including chuck and jack catch, the chuck is installed on the support, be equipped with at least three jack catch on the chuck, the outside of chuck is equipped with the cushion, install T type piece in the T type inslot, double-end screw bolt one end is connected with T type piece, and the other end passes the clamp plate and passes through T type nut with the chuck fastening on the support.

Compared with the prior art, the utility model has the beneficial effects that: according to the clamping device, the long shaft type part to be machined is clamped on the supporting plate through the clamping device, the upper end of the long shaft type part to be machined passes through the supporting seat and is fixed through the clamping jaw, the problems that the clamping of the part is time-consuming and labor-consuming or the clamping is unstable and unreliable are solved, a process clamping step is not required to be left, the weight of a blank is saved, the concave gear time formed between the machining process step and the conical surface of the part can be reduced, the process of turning the process step finally is omitted, the cost is saved, and the labor intensity is reduced.

Description of the drawings:

FIG. 1 is a schematic view of a clamping device for shaft end internal spline machining provided by the application;

fig. 2 is a schematic structural view of a support plate;

fig. 3 is a schematic structural view of the stand.

The marks in the figure: the device comprises a 1-workbench, a 2-supporting plate, a 3-cover plate, a 4-support, a 5-chuck, a 6-claw, a 7-T-shaped block, an 8-T-shaped nut, a 9-backing plate, a 10-pressing plate, an 11-stud, a 12-second bolt, a 13, a first bolt, a 14-first clamping hole, a 15-second clamping hole, a 16-bottom plate, a 17-inner cylinder, a 18-outer cylinder, a 19-top plate, a 20-reinforcing plate, a 21-lifting hole and a 22-T-shaped groove.

Detailed Description

The present utility model will be described in detail with reference to the accompanying drawings.

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

In the description of the present utility model, unless otherwise specified and defined, it should be noted that the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, mechanical or electrical, or may be in communication with each other between two elements, directly or indirectly through intermediaries, as would be understood by those skilled in the art, in view of the specific meaning of the terms described above.

As shown in fig. 1, the application provides a clamping device for shaft end internal spline machining, which comprises a workbench 1, a cover plate 3, a supporting plate 2, a support 4 and a fixing structure, wherein the supporting plate 2 and the support 4 are arranged on the workbench 1, the fixing structure is arranged on the support 4, and the fixing structure is used for fixing the upper end of a part to be machined.

The center of the workbench 1 is hollow, a first groove is formed in the center of the top of the workbench 1, the cover plate 3 is installed in the first groove, so that the cover plate 3 is positioned, the support plate 2 is aligned and then concentric with the workbench 1, and then the cover plate 3 is installed through a first bolt 13.

As shown in fig. 2, a first clamping hole 14 matched with the part to be processed is formed in one side of the supporting plate 2, a second clamping hole 15 is formed in the other side of the supporting plate, the sizes of the first clamping hole 14 and the second clamping hole 15 are matched with the sizes of two end parts of the long shaft type part, the inner diameters of the first clamping hole 14 and the second clamping hole 15 are slightly larger than the outer diameter of the part, and small clearance fit is achieved. The first clamping holes 14 and the second clamping holes 15 are respectively formed in two sides of the same supporting plate 2, and only one supporting plate 2 is needed for parts with different sizes at two ends, so that management is convenient.

As shown in fig. 3, the support 4 includes a bottom plate 16, an inner cylinder 17, an outer cylinder 18, a top plate 19, and a reinforcing plate 20, the bottom plate 16 is connected to the table 1 by a second bolt 12, and the fixing structure is mounted on the top plate 19. The upper and lower both ends of reinforcing plate 20 are connected with roof 19 and bottom plate 16 respectively, reinforcing plate 20 is located the outside of outer cylinder 18 still is equipped with lifting eye 21 on the reinforcing plate 20, conveniently transfers whole support 4 to change backup pad 2 after leaving workstation 1. The fixing structure comprises a chuck 5 and clamping jaws 6, the chuck 5 is arranged on a support 4, at least three clamping jaws 6 are arranged on the chuck 5, a T-shaped groove 22 is formed in a top plate 19, a T-shaped block 7 is arranged in the T-shaped groove 22, one end of a stud 11 is connected with the T-shaped block 7, the other end of the stud passes through a pressing plate 10 to fasten the chuck 5 on the support 4 through a T-shaped nut 8, and the outer side of the pressing plate 10 is supported through a backing plate 9.

The working process comprises the following steps: firstly, installing a cover plate 3 into a first groove of a workbench 1, then, after finding out a position concentric with the workbench 1, fixing a supporting plate 2 on the cover plate 3, after installing a fixing structure and a support 4, hoisting the whole support 4 on the workbench 1, fixing the whole support through a second bolt 12, inserting one end of a long shaft part into a first clamping hole 14, fixing the upper end after adjusting and aligning through a clamping jaw 6, and then processing the long shaft part; after one end is machined, the whole support 4 is adjusted away from the workbench 1, the supporting plate 2 is turned over, and the other side of the long shaft part is repeatedly machined.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (8)

1. A clamping device for processing of an internal spline of a shaft end is characterized by comprising a workbench (1), a supporting plate (2), a support (4) and a fixing structure, wherein the supporting plate (2) and the support (4) are installed on the workbench (1), the fixing structure is installed on the support (4), the fixing structure is used for fixing the upper end of a part to be processed, and a first clamping hole (14) matched with the part to be processed is formed in the supporting plate (2).

2. Clamping device for shaft end internal spline machining according to claim 1, characterized in that the working table (1) is provided with a first groove, a cover plate (3) is arranged in the first groove, and the supporting plate (2) is arranged on the cover plate (3).

3. Clamping device for shaft end internal spline machining according to claim 1 or 2, characterized in that the support plate (2) is provided with a first clamping hole (14) on one side and a second clamping hole (15) on the other side.

4. Clamping device for internal spline machining of shaft ends according to claim 1, characterized in that the support (4) comprises a bottom plate (16), an inner cylinder (17), an outer cylinder (18) and a top plate (19), the bottom plate (16) being connected to the table (1), the fixing structure being mounted on the top plate (19).

5. Clamping device for shaft end internal spline machining according to claim 4, characterized in that a reinforcing plate (20) is connected between the top plate (19) and the bottom plate (16), the reinforcing plate (20) being located outside the outer cylinder (18).

6. Clamping device for shaft end internal spline machining according to claim 4, characterized in that the top plate (19) is provided with a T-shaped groove (22).

7. Clamping device for shaft end internal spline machining according to claim 5, characterized in that lifting holes (21) are provided on the reinforcing plate (20).

8. Clamping device for shaft end internal spline machining according to claim 6, characterized in that the fixing structure comprises a chuck (5) and clamping jaws (6), the chuck (5) is mounted on the support (4), at least three clamping jaws (6) are arranged on the chuck (5), a cushion block (9) is arranged on the outer side of the chuck (5), a T-shaped block (7) is mounted in a T-shaped groove (22), one end of a stud (11) is connected with the T-shaped block (7), and the other end penetrates through a pressing plate (10) to fasten the chuck (5) on the support (4) through a T-shaped nut (8).