CN212705615U - Special fixture for processing end face of fork of three-fork universal joint - Google Patents

Abstract

The utility model is suitable for a trigeminal universal joint processing auxiliary technology field discloses a trigeminal universal joint fork terminal surface processing special fixture, including the processing base, processing base top middle part fixed surface installs the propulsion jar, propulsion jar top movable mounting has the catch bar, the horizontal fixed mounting in catch bar top has the lifter plate, the vertical fixed mounting in lifter plate top middle part surface has the fixed column, the equal horizontal fixed mounting in both sides surface has first supporting box about the fixed column. The utility model discloses have first support box at fixed column surface mounting to and support the box with the second through supporting spring with first support box and be connected, and then can press and move behind the fixed plate, support the box with the second and press to first support box inside, and then can change the interval between two fixed plates, and then be convenient for put into corresponding fixed column surface with the trident universal joint of different hole diameters and stabilize the installation to it, comparatively practical is fit for extensively promoting and using.

Description

Special fixture for processing end face of fork of three-fork universal joint

Technical Field

The utility model is suitable for a trigeminal universal joint processing auxiliary technology field, in particular to trigeminal universal joint fork terminal surface processing special fixture.

Background

At present, a three-fork universal joint, namely a universal joint, is a part for realizing variable-angle power transmission, is used for changing the position of a transmission axis direction, is a joint part of a universal transmission device of an automobile driving system, and is called a universal joint transmission device by combining the universal joint and a transmission shaft.

However, at present, there still exist some disadvantages in the process of processing the trifurcate universal joint: when adding man-hour to trident universal joint, need guarantee the stability of trident universal joint in the course of working, and then need carry out the centre gripping to trident universal joint fixed, nevertheless, it is fixed to simple centre gripping, can't adjust the use size of anchor clamps according to the trident universal joint of different size and size. Therefore, a special clamp for processing the end face of the three-fork universal joint fork is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a main objective provides a trident universal joint fork terminal surface processing special fixture, can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a trident universal joint fork terminal surface processing special fixture, includes the processing base, processing base top middle part fixed surface installs the propulsion jar, propulsion jar top movable mounting has the catch bar, the horizontal fixed mounting in catch bar top has the lifter plate, the vertical fixed mounting in lifter plate top middle part surface has the fixed column, the equal horizontal fixed mounting in both sides surface has first support box about the fixed column, the inside bottom fixed surface of first support box installs supporting spring, supporting spring top fixed surface installs on limiting plate bottom surface, limiting plate top middle part fixed mounting has the second to support the box, the second supports the box middle-end lateral wall and runs through movable mounting inside first support box top, the second supports box top fixed surface and installs the fixed plate.

Preferably, the vertical fixed mounting in processing base top surface has the backup pad, the inside centre gripping screw that has transversely seted up in backup pad top, the movable mounting is run through threaded connection to the centre gripping screw inside has a clamping bolt, clamping bolt top surface runs through the bearing and rotates and install inside the grip block middle-end.

Preferably, the supporting plates are distributed on the top end surface of the processing base in a symmetrical triangular array.

Preferably, the fixing plate and the clamping plate are both arc-shaped.

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

1. the utility model discloses a trident universal joint fork terminal surface processing special fixture, because there is the propulsion jar at processing base surface mounting, and install the lifter plate through the catch bar, operation drive catch bar and lifter plate that can push away the jar reciprocate, make the trident universal joint of fixing on the fixed column surface add the lift that can be quick voluntarily, and then can conveniently carry out subsequent processing to the trident universal joint, and there is first support box fixed column surface mounting, and be connected first support box with the second support box through supporting spring, and then can press behind the fixed plate, press the second support box to inside the first support box, and then can change the interval between two fixed plates, and then be convenient for put into corresponding fixed column surface with the trident universal joint of different hole diameters and stabilize the installation to it.

2. The utility model discloses a trident universal joint fork terminal surface processing special fixture owing to set up the centre gripping screw in backup pad inside to and there is the clamping bolt through threaded connection inside the centre gripping screw, and then can adjust the grip block in the position of processing base height through rotating the clamping bolt, and then guarantee that the grip block can carry out the centre gripping to the trident universal joint surface and fix.

Drawings

FIG. 1 is a schematic view of an overall front view cross-sectional structure of the special fixture for machining the end face of the three-fork universal joint fork of the present invention;

fig. 2 is the utility model discloses the whole of trident universal joint fork terminal surface processing special fixture overlooks the structural schematic diagram.

Reference numerals: 1. processing a base; 2. a pushing cylinder; 3. a push rod; 4. a lifting plate; 5. fixing a column; 6. a first support box; 7. a support spring; 8. a limiting plate; 9. a second support box; 10. a fixing plate; 11. a support plate; 12. clamping the screw hole; 13. clamping the bolt; 14. a bearing; 15. and (4) clamping the plate.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected" and "disposed" are to be interpreted broadly, and may be, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed; the utility model discloses in provide only supply the reference with the model of electrical apparatus. For those skilled in the art, different types of electrical appliances with the same function can be replaced according to actual use conditions, and for those skilled in the art, the specific meaning of the above terms in the present invention can be understood in specific situations.

As shown in fig. 1-2, a special fixture for processing an end face of a three-fork universal joint fork comprises a processing base 1, a pushing cylinder 2 is fixedly arranged on the surface of the middle part of the top end of the processing base 1, a pushing rod 3 is movably arranged at the top end of the pushing cylinder 2, a lifting plate 4 is transversely and fixedly arranged at the top end of the push rod 3, a fixing column 5 is vertically and fixedly arranged on the surface of the middle part of the top end of the lifting plate 4, the left and right side surfaces of the fixed column 5 are transversely and fixedly provided with a first supporting box 6, the bottom end surface inside the first supporting box 6 is fixedly provided with a supporting spring 7, the top end surface of the supporting spring 7 is fixedly arranged on the bottom end surface of the limiting plate 8, the middle part of the top end of the limiting plate 8 is fixedly provided with a second supporting box 9, the middle-end outer side wall of the second supporting box 9 penetrates through and is movably mounted inside the top end of the first supporting box 6, and a fixing plate 10 is fixedly mounted on the surface of the top end of the second supporting box 9.

In the present embodiment, as shown in fig. 1 and fig. 2, since the pushing cylinder 2 is installed on the surface of the processing base 1, and the lifting plate 4 is installed through the pushing rod 3, the pushing rod 3 and the lifting plate 4 can be driven to move up and down by the operation of the pushing cylinder 2, so that the three-fork universal joint fixed on the surface of the fixed column 5 can automatically and rapidly lift when being processed, further facilitating the subsequent processing of the three-fork universal joint, and installing the first supporting box 6 on the surface of the fixed column 5, connecting the first supporting box 6 with the second supporting box 9 through the supporting spring 7, further pressing the fixing plate 10, the second supporting box 9 is pressed into the first supporting box 6, and then can change the interval between two fixed plates 10, and then be convenient for put into corresponding fixed column 5 surface with the trident universal joint of different hole diameters and carry out stable installation to it.

Wherein, the vertical fixed mounting in processing 1 top surface of base has backup pad 11, centre gripping screw 12 has transversely been seted up to backup pad 11 top inside, there is clamping bolt 13 clamping bolt 12 is inside to run through movable mounting through threaded connection, clamping bolt 13 top surface runs through the rotation through bearing 14 and installs inside 15 middle-end of grip block.

In this embodiment, as shown in fig. 1, a clamping screw hole 12 is formed inside a supporting plate 11, and a clamping bolt 13 is connected inside the clamping screw hole 12 through a thread, so that the position of the clamping plate 15 at the height of the processing base 1 can be adjusted by rotating the clamping bolt 13, and it is further ensured that the clamping plate 15 can clamp and fix the surface of the trident universal joint.

Wherein, the supporting plates 11 are distributed on the top surface of the processing base 1 in a symmetrical triangular array.

In this embodiment, as shown in fig. 1 and fig. 2, the clamping plate 15 is ensured to clamp and fix the side wall of the trident universal joint.

Wherein, the fixed plate 10 and the clamping plate 15 are both arc-shaped.

In the embodiment, as shown in fig. 1, the stability of the mounting of the trifurcate universal joint is ensured.

It should be noted that the utility model relates to a special fixture for machining the end face of a trident universal joint fork, the components are all universal standard components or known by technicians in the field, the structure and principle of the special fixture are known by technical manuals or conventional experimental methods, when in use, the fixing plate 10 is pressed, the fixing plate 10 is placed on the surface of the inner hole side wall of the trident universal joint, the pushing cylinder 2 is opened through an external control switch, the height position of the trident universal joint is convenient to adjust, then the clamping bolt 12 is rotated, the clamping plate 15 is adjusted to the surface of the outer side wall of the trident universal joint to clamp and fix the trident universal joint, compared with the traditional trident universal joint machining auxiliary technology, the device is provided with the pushing cylinder 2 on the surface of the machining base 1, and the lifting plate 4 is arranged through the pushing rod 3, the pushing rod 3 and the lifting plate 4 can be driven to move up and down through the operation of the pushing, the three fork universal joint that the messenger was fixed on fixed column 5 surface can be automatic quick lift man-hour, and then can conveniently carry out subsequent processing to the three fork universal joint, and at fixed column 5 surface mounting have first support box 6, and be connected first support box 6 with second support box 9 through supporting spring 7, and then can push fixed plate 10 back, support box 9 with the second and press to first support box 6 inside, and then can change the interval between two fixed plates 10, and then be convenient for put into corresponding fixed column 5 surface with the three fork universal joint of different bore diameters and stabilize the installation to it.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (4)

1. The utility model provides a trident universal joint fork terminal surface processing special fixture, includes processing base (1), its characterized in that: a pushing cylinder (2) is fixedly arranged on the surface of the middle part of the top end of the processing base (1), a push rod (3) is movably arranged at the top end of the push cylinder (2), a lifting plate (4) is transversely and fixedly arranged at the top end of the push rod (3), a fixed column (5) is vertically and fixedly arranged on the surface of the middle part of the top end of the lifting plate (4), the surfaces of the left side and the right side of the fixed column (5) are both transversely and fixedly provided with a first supporting box (6), a supporting spring (7) is fixedly arranged on the surface of the bottom end inside the first supporting box (6), the top end surface of the supporting spring (7) is fixedly arranged on the bottom end surface of the limiting plate (8), a second supporting box (9) is fixedly arranged in the middle of the top end of the limiting plate (8), the outer side wall of the middle end of the second supporting box (9) is movably arranged in the top end of the first supporting box (6) in a penetrating way, and a fixing plate (10) is fixedly arranged on the top end surface of the second supporting box (9).

2. The special fixture for machining the end face of the three-fork universal joint fork according to claim 1, characterized in that: processing base (1) top surface vertical fixed mounting has backup pad (11), centre gripping screw (12) have transversely been seted up to backup pad (11) top inside, there are clamping bolt (13) centre gripping screw (12) inside through threaded connection through movable mounting, clamping bolt (13) top surface runs through bearing (14) to rotate and installs inside grip block (15) middle-end.

3. The special fixture for machining the end face of the three-fork universal joint fork according to claim 2, characterized in that: the supporting plates (11) are distributed on the top end surface of the processing base (1) in a symmetrical triangular array.

4. The special fixture for machining the end face of the three-fork universal joint fork according to claim 1 or 2, characterized in that: the fixing plate (10) and the clamping plate (15) are both arc-shaped.

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