Differential shaft production clamp

Abstract

The utility model discloses a differential shaft production clamp which comprises a base, bearing seats are arranged on the two sides of the upper portion of the base, L-shaped seat bodies are arranged at the top ends of the bearing seats, a positioning seat is connected to the center of the top end of the base in a bolted mode, a linkage shaft is rotationally installed at the center of the interior of each L-shaped seat body, and a rotary disc is arranged on the surface of each linkage shaft. A three-jaw chuck is arranged on the surface of the rotating disc, a plurality of clamping jaws are arranged on the outer wall of the three-jaw chuck, a sliding groove is formed in the top of the base, sliding blocks are slidably connected to the two sides of the interior of the sliding groove, and the top ends of the sliding blocks are connected with the bottom end of the bearing base. Compared with the prior art, the double-station machining device not only can turn over a differential shaft workpiece clamped by the clamping jaws so as to easily perform all-directional machining on the outer wall of the differential shaft, but also can adjust the distance between the two three-jaw chucks as required and perform double-station machining on the differential shaft, and ensures that the clamping jaws can stably clamp the differential shaft, so that the machining efficiency is improved. Therefore, the clamping effect of the clamp on the differential shaft is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical manufacturing technical field, concretely is a differential shaft production fixture. BACKGROUND

[0002] Differential shaft as the core component in the automobile differential, its machining precision directly influences the driving stability and the control performance of vehicle, and when producing and processing differential shaft, differential shaft needs to be clamped and fixed to reduce the phenomenon that differential shaft produces displacement in the production process, thus the corresponding differential shaft production fixture needs to be used.

[0003] With reference to the announcement No. CN209140414U intermediate shaft clamp, it includes bottom plate and clamping device, the clamping device sets up on the bottom plate, the clamping device includes fixed seat, positioning rod, positioning hole, the fixed seat places on the bottom plate, the positioning hole is opened in the middle part of the fixed seat, the positioning rod is provided with two, and two positioning rods are oppositely arranged, the positioning rod is movably inserted in the fixed seat, and the end head is inserted into the positioning hole, according to the above, the clamp can be better applied, but it is usually inconvenient to turn over the shaft workpiece, and then it is not easy to process the outer wall of the shaft workpiece in all directions, to affect the production efficiency of the shaft workpiece, and often troubles the user. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a differential shaft production fixture to solve the problem that the clamp can be better applied, but it is usually inconvenient to turn over the shaft workpiece, and then it is not easy to process the outer wall of the shaft workpiece in all directions, to affect the production efficiency of the shaft workpiece.

[0005] To achieve the above object, the utility model provides the following technical scheme: a differential shaft production fixture, including base, both sides of the top of base are provided with bearing seat, the top of bearing seat is provided with L type seat body, the center position of the top of base is hinged with positioning seat, the center position of the inside of L type seat body is rotatably installed with linkage shaft, the surface of linkage shaft is provided with rotary table, the surface of rotary table is provided with three jaw chuck, the outer wall of three jaw chuck is provided with a plurality of clamping claws.

[0006] Preferably, the top of base is provided with sliding slot, both sides of the inside of sliding slot are slidably connected with sliding block, the top of sliding block is connected with the bottom end of bearing seat, through the setting of sliding block and sliding slot, the movement amplitude of bearing seat is limited.

[0007] Preferably, the outer wall behind the L-shaped seat is provided with two bases, a second threaded rod is rotatably installed on the inner wall between the bases, and one end of the second threaded rod penetrates one base and is provided with a second handle.

[0008] Preferably, the outer wall on both sides of the positioning seat is rotatably provided with a first threaded rod, one end of the first threaded rod away from the positioning seat penetrates the bearing seat and is provided with a first handle, and the first threaded rod is in threaded connection with the bearing seat, and the first handle is rotated to drive the first threaded rod to rotate.

[0009] Preferably, the end of the linkage shaft away from the rotating disc is provided with a gear, a rack is arranged below the gear, and the rack and the gear are in meshing connection, and the rack is driven to rotate by the meshing connection between the rack and the gear when the rack translates.

[0010] Preferably, a nut pair is in threaded connection on the outer wall of the second threaded rod between the bases, and the top end of the nut pair is connected with the bottom end of the rack, and the nut pair is slid on the outer wall of the second threaded rod to drive the rack to translate.

[0011] Compared with the prior art, the differential shaft production clamp can not only overturn the differential shaft workpiece clamped by the claw to facilitate the all-around machining of the outer wall of the differential shaft, but also adjust the distance between the two three-jaw chucks as required and perform double-station machining on the differential shaft, and ensures that the claw can stably clamp the differential shaft to guarantee the clamping effect of the clamp on the differential shaft.

[0012] (1) The second handle is rotated to drive the second threaded rod to rotate, and at this time, the nut pair slides on the outer wall of the second threaded rod to drive the rack to translate, and the rack drives the three-jaw chuck to rotate through the gear, so that the differential shaft workpiece clamped by the claw is overturned, and the differential shaft is easily machined in all directions, thereby improving the production efficiency of the clamp on the differential shaft during use.

[0013] (2) By arranging two three-jaw chucks, when the first handle is rotated to drive the first threaded rod to rotate, the bearing seat slides on the outer wall of the first threaded rod and drives the sliding block to slide in the sliding groove, so that the bearing seat drives the three-jaw chuck to stably horizontally move through the L-shaped seat, thereby adjusting the distance between the two three-jaw chucks as required and performing double-station machining on the differential shaft, thereby further improving the production efficiency of the differential shaft.

[0014] (3) by the differential shaft one end adhering to the surface of the three jaw chuck, namely, the differential shaft can be quickly clamped by several clamping jaws, the inner wall of the clamping jaw is provided with anti-skid hole, so as to ensure that the clamping jaw can stably clamp the differential shaft, thereby improving the convenience of the clamp in use. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a front view structural schematic diagram of the utility model;

[0016] Figure 2 It is a rear view structural schematic diagram of the utility model;

[0017] Figure 3 It is a rear view structural schematic diagram of the utility model; Figure 1 It is an enlarged structural schematic diagram of A in the utility model;

[0018] Figure 4 It is an enlarged structural schematic diagram of B in the utility model; Figure 1 It is an enlarged structural schematic diagram of B in the utility model.

[0019] In the drawing: 1, base; 2, sliding groove; 201, sliding block; 3, bearing seat; 4, L-shaped seat body; 5, positioning seat; 6, first threaded rod; 7, first rotating handle; 8, gear; 9, rack; 10, second rotating handle; 11, linkage shaft; 12, turntable; 13, three-jaw chuck; 1301, clamping jaw; 14, base; 15, second threaded rod; 16, nut pair. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0021] Please refer to Figures 1-4 The utility model provides an embodiment: a differential shaft production fixture, including base 1, the top of base 1 is provided with sliding groove 2, both sides in sliding groove 2 are slidably connected with sliding block 201, and the top of sliding block 201 is connected with the bottom of bearing seat 3;

[0022] When using, the movement amplitude of bearing seat 3 is limited by the setting of sliding block 201 and sliding groove 2;

[0023] Both sides above base 1 are provided with bearing seat 3, the top of bearing seat 3 is provided with L-shaped seat body 4, the outer wall behind L-shaped seat body 4 is provided with two bases 14, the inner wall between base 14 is rotatably installed with second threaded rod 15, and one end of second threaded rod 15 penetrates one base 14 and is installed with second rotating handle 10;

[0024] In use, the second handle 10 is rotated to drive the second threaded rod 15 to rotate;

[0025] The end of the linkage shaft 11 away from the rotating disc 12 is provided with a gear 8, and the lower side of the gear 8 is provided with a rack 9, which is in mesh with the gear 8;

[0026] In use, the rack 9 is in mesh with the gear 8 to drive the gear 8 to rotate when the rack 9 translates;

[0027] The outer wall of the second threaded rod 15 between the bases 14 is provided with a nut pair 16 in a threaded manner, and the top end of the nut pair 16 is connected with the bottom end of the rack 9;

[0028] In use, the nut pair 16 is slided on the outer wall of the second threaded rod 15 to drive the rack 9 to translate;

[0029] The top end of the base 1 is provided with a positioning seat 5 in the center, and the outer wall of the positioning seat 5 is provided with a first threaded rod 6 in a rotating manner, and the end of the first threaded rod 6 away from the positioning seat 5 penetrates through the bearing seat 3 and is provided with a first handle 7, and the first threaded rod 6 is in threaded connection with the bearing seat 3;

[0030] In use, the first handle 7 is rotated to drive the first threaded rod 6 to rotate;

[0031] The inside of the L-shaped seat body 4 is provided with a linkage shaft 11 in a rotating manner in the center, and the surface of the linkage shaft 11 is provided with a rotating disc 12, and the surface of the rotating disc 12 is provided with a three-jaw chuck 13, and the outer wall of the three-jaw chuck 13 is provided with a plurality of clamping claws 1301.

[0032] The embodiment of the application is used, first, by adhering one end of the differential shaft to the surface of the three-jaw chuck 13, the differential shaft can be quickly clamped by the plurality of clamping claws 1301, the inner wall of the clamping claw 1301 is provided with an anti-skid hole, so as to ensure that the clamping claw 1301 can stably clamp and fix the differential shaft, then two three-jaw chucks 13 are arranged, when the first handle 7 is rotated to drive the first threaded rod 6 to rotate, the bearing seat 3 is located on the outer wall of the first threaded rod 6 to slide, and the bearing seat 3 drives the sliding block 201 to slide in the inner part of the sliding groove 2, so that the bearing seat 3 drives the three-jaw chuck 13 to move stably and horizontally through the L-shaped seat body 4, the distance between the two three-jaw chucks 13 can be adjusted as required, so as to process the differential shaft in double stations, finally, the second handle 10 is rotated to drive the second threaded rod 15 to rotate, at this time, the nut pair 16 is located on the outer wall of the second threaded rod 15 to slide, so that the nut pair 16 drives the rack 9 to translate, because the rack 9 and the gear 8 are engaged with each other, the rack 9 drives the three-jaw chuck 13 to rotate through the gear 8, so that the differential shaft workpiece clamped by the clamping claw 1301 can be turned over, so that the differential shaft outer wall can be easily processed in all directions, thereby completing the use of the clamp.

[0033] It should be noted that, in this document, the terms such as first and second are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between such entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0034] Although the utility model has been described above with reference to the embodiments, various improvements can be made and equivalent parts can be replaced without departing from the scope of the utility model. In particular, as long as there is no structural conflict, the features in the embodiments disclosed by the utility model can be combined in any way, and the combinations are not described in this specification due to the consideration of omitting the length and saving resources. Therefore, the utility model is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A differential axle production fixture, characterized by: The utility model provides a kind of three-jaw chuck, including base (1), the two sides of the top of base (1) are provided with bearing seat (3), the top of bearing seat (3) is provided with L type seat body (4), the center position of the top of base (1) is bolted with positioning seat (5), the center position of inside L type seat body (4) is rotatably installed with linkage shaft (11), the surface of linkage shaft (11) is provided with rotary table (12), the surface of rotary table (12) is provided with three-jaw chuck (13), the outer wall of three-jaw chuck (13) is provided with several clamping claws (1301).

2. A differential shaft production jig according to claim 1, characterized in that: The top of base (1) is provided with chute (2), the two sides of inside chute (2) are slidably connected with sliding block (201), the top of sliding block (201) is connected with the bottom of bearing seat (3).

3. A differential shaft production jig according to claim 1, characterized in that: The outer wall of rear L type seat body (4) is provided with two pedestals (14), the inner wall between pedestal (14) is rotatably installed with second threaded rod (15), one end of second threaded rod (15) penetrates one pedestal (14) and is installed with second handle (10).

4. The differential shaft production fixture of claim 1, wherein: The outer wall of both sides of positioning seat (5) is rotatably installed with first threaded rod (6), the end of first threaded rod (6) away from positioning seat (5) penetrates bearing seat (3) and is installed with first handle (7), and first threaded rod (6) is threadedly connected with bearing seat (3).

5. A differential shaft production jig according to claim 1, characterized in that: The end of linkage shaft (11) away from rotary table (12) is provided with gear (8), the below of gear (8) is provided with rack (9), and rack (9) and gear (8) are engaged with each other.

6. A differential shaft production jig according to claim 3, characterized in that: The outer wall of second threaded rod (15) between pedestal (14) is threadedly installed with nut pair (16), and the top of nut pair (16) is connected with the bottom of rack (9).

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