CN212330806U - Clamp for processing disc hub - Google Patents

Abstract

The utility model provides an anchor clamps are used in processing of dish hub belongs to mechanical technical field. It has solved the current dish hub processing with anchor clamps high in manufacturing cost scheduling problem. The fixture for processing the hub comprises a chuck body, wherein the chuck body comprises a positioning sleeve and a chuck, the positioning sleeve is provided with a first through hole which is coaxially arranged with the chuck, the chuck is provided with a second through hole which is coaxially arranged with the chuck, the positioning sleeve and the chuck are coaxially arranged and detachably connected, an orifice of the second through hole, which is far away from the positioning sleeve, is in a reaming shape, and the outer end, which is far away from the positioning sleeve, of the chuck is provided with a notch structure which enables the end to have elasticity. The utility model has the advantages of convenient processing, low manufacturing cost, low use cost and the like.

Description

Clamp for processing disc hub

Technical Field

The utility model belongs to the technical field of machinery, a anchor clamps, in particular to anchor clamps are used in processing of dish hub are related to.

Background

The jig is a device for fixing a processing object to occupy a correct position for receiving construction or inspection in a machine manufacturing process. The hub requires a fixture for fixing during machining.

For example, the applicant originally designed a jig for machining a hub reference surface and applied for a patent [ application No.: 201920591919.0, respectively; authorization notice number: CN209717118U ], which includes a flange-shaped connection pad and a straight rod-shaped pull rod, the pull rod is disposed coaxially with the connection pad and can move axially in a reciprocating manner, the outer end of the pull rod penetrates through the connection pad, the connection pad is fixedly connected with a chuck body for the pull rod to axially penetrate, the outer end of the pull rod extending out of the chuck body is connected with a chuck, the outer end of the chuck body is cylindrical and is sleeved with a cylindrical jacket, the jacket has a notch structure which makes the jacket have elasticity, the outer end of the jacket extends out of the chuck body, the outer peripheral surface of the chuck has a conical surface one and the diameter of the conical surface one is larger closer to the outer end of the chuck, the outer peripheral surface of the chuck body has a conical surface two and the outer diameter of the conical surface two is smaller closer to the jacket, the inner wall of the outer end of the jacket is a conical surface three matched with the conical surface one, the inner.

Foretell dish hub reference surface processing usefulness anchor clamps can improve production efficiency and guarantee the machining precision, but its chuck body formula structure as an organic whole, it is inconvenient to process, moreover to the dish hub of equidimension not, the chuck body of a plurality of adaptations need be prepared, the chuck body consumptive material of integral type is many, and manufacturing cost is high, through pressing from both sides the cover, each conical surface cooperation so that press from both sides the cover and support the disk hub, the structure is complicated, also makes manufacturing cost high.

Disclosure of Invention

The utility model aims at providing a processing is convenient, low in manufacturing cost and use cost's anchor clamps are used in dish hub processing to the above-mentioned problem that exists among the prior art.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides a disc hub adds clamping apparatus for processing, includes the chuck body, its characterized in that, the chuck body include position sleeve and chuck, the position sleeve have rather than coaxial setting through-hole one, the chuck have rather than coaxial setting through-hole two, position sleeve and chuck coaxial setting and detachably connect, through-hole two keep away from the drill way of position sleeve and be the reaming form, the chuck keeps away from the outer end of position sleeve and has and make this end have elastic notch structure.

In foretell anchor clamps for disk hub processing, notch structure include a plurality of circumference equipartition and radial open slot that runs through, each open slot extends to chuck outer end department from chuck middle part axial, the inner intercommunication of open slot have radial round hole and the outer end of open slot be the opening of opening that communicates the chuck outer end.

In the above-mentioned disk hub machining clamp, a circumferential limiting structure for limiting circumferential rotation of the chuck is arranged between the positioning sleeve and the chuck.

In the above-mentioned disk hub adds clamping apparatus for processing, the inner of chuck insert the position sleeve in, the position sleeve has the fender shoulder that supplies chuck inner to support to lean on, and circumference limit structure includes that the key piece that chuck inner outer wall inlayed and is equipped with, the inner wall of position sleeve have the cooperation groove that holds the key piece.

In the above-mentioned disk hub processing clamp, the locating sleeve and the chuck are fixedly connected through a plurality of screws. Thus, the arrangement and the assembly and disassembly are convenient.

In the above-mentioned disk hub processing anchor clamps, the fender shoulder have a plurality of circumference equipartition wear to establish the hole, the screw passes the wear to establish the hole and with chuck threaded connection. The screw is not exposed to the outside, and interference and damage are avoided.

In the above-mentioned disk hub processing anchor clamps, the position sleeve have a plurality of circumference equipartition and axial through's connecting hole, all have axial through's screw hole between the adjacent connecting hole. The connecting hole is convenient for the position sleeve to be fixedly connected with the connecting disc through a bolt, the threaded hole is convenient for the position sleeve to be connected with the supporting sleeve, and the connection is convenient.

Compared with the prior art, the fixture positioning sleeve and the chuck for machining the disc hub are processed in a split mode, machining precision is high, connection is convenient, manufacturing cost is low, and using cost is low.

Drawings

Fig. 1 is a sectional view of the disk hub machining jig.

Fig. 2 is a front view of the positioning sleeve of the disk hub machining jig.

Fig. 3 is a structural sectional view of the section a-a in fig. 2.

Fig. 4 is a front view of the structure of the chuck in the disk hub machining jig.

Fig. 5 is a side view showing the structure of a chuck in the disk hub machining jig.

In the figure, 1, a positioning sleeve; 2. a chuck; 3. a first through hole; 4. a second through hole; 5. an open slot; 6. a circular hole; 7. a shoulder block; 8. a key block; 9. a mating groove; 10. perforating holes; 11. connecting holes; 12. a threaded bore.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1, the fixture for processing the hub comprises a fixture body, wherein the fixture body comprises a positioning sleeve 1 and a fixture 2, the positioning sleeve 1 is provided with a first through hole 3 coaxially arranged with the positioning sleeve, the fixture 2 is provided with a second through hole 4 coaxially arranged with the fixture 2, the positioning sleeve 1 and the fixture 2 are coaxially arranged and detachably connected, an orifice of the second through hole 4, which is far away from the positioning sleeve 1, is in a reaming shape, and the outer end of the fixture 2, which is far away from the positioning sleeve 1, is provided with a notch structure enabling the end to have elasticity.

The chuck body in the chuck for processing the disc hub is of a split structure, the positioning sleeve 1 and the chuck 2 are processed in a split mode, the processing precision is high, only the adaptive chuck 2 needs to be processed aiming at the disc hubs with different sizes, the positioning sleeve 1 does not need to be processed, the purpose of saving materials is achieved, the manufacturing cost is reduced, the adaptive chuck 2 and the positioning sleeve 1 are selected to be assembled according to the size of the disc hub to be processed before use, the operation is convenient, the damaged chuck 2 can be replaced independently, and the use cost is reduced; this anchor clamps for hub processing use, position sleeve 1 is fixed on the connection pad, through-hole one 3 and through-hole two 4 all supply the pull rod to pass, the round platform form tip that the drill way adaptation that is the reaming form that through-hole two 4 have had in the pull rod, the internal contraction of pull rod makes the tip of round platform form act on the drill way of reaming form, make chuck 2 keep away from the outside expansion of outer end of position sleeve 1, thereby support the fixed disk hub, otherwise the pull rod is overhanging, chuck 2 resets, the hub application of force is not, the disk hub can shirk.

Further saying, as shown in fig. 4, the notch structure includes four circumference equipartitions and radial open slot 5 that runs through, each open slot 5 extends to 2 outer ends departments of chuck from 2 middle parts of chuck, the inner intercommunication of open slot 5 has radial round hole 6 that runs through and the outer end of open slot 5 is the opening of 2 outer ends of intercommunication chuck, 5 circumference equipartitions of each open slot for 2 outer ends of chuck atress are even, 2 outer ends of chuck radially expand outward or reset steadily, the inner fracture of open slot 5 is avoided to round hole 6, and service life is prolonged.

Be equipped with restriction chuck 2 circumferential direction's circumference limit structure between position sleeve 1 and the chuck 2, circumference limit structure makes chuck 2 can not have enough to meet the need, and the position sleeve 1 of being convenient for and chuck 2 loading and unloading have improved the structural stability moreover, and chuck 2 job stabilization nature is good. As shown in fig. 1, fig. 3 and fig. 5, in this embodiment, the inner end of the collet 2 is inserted into the positioning sleeve 1, the positioning sleeve 1 has a shoulder 7 for the inner end of the collet 2 to abut against, the circumferential limiting structure includes a key block 8 embedded in the outer wall of the inner end of the collet 2, the inner wall of the positioning sleeve 1 has a matching groove 9 for accommodating the key block 8, the circumferential limiting of the collet 2 and the positioning sleeve 1 is realized through the matching of the key block 8, the manufacturing is convenient, and the structural stability is good.

For convenience of connection, the positioning sleeve 1 and the chuck 2 are fixedly connected through four screws, the retaining shoulder 7 is provided with four circumferentially and uniformly distributed through holes 10, and the screws penetrate through the through holes 10 and are in threaded connection with the chuck 2; as shown in fig. 2, the positioning sleeve 1 has four circumferentially uniformly distributed and axially penetrating connecting holes 11, and axially penetrating threaded holes 12 are formed between adjacent connecting holes 11.

Those not described in detail in this specification are within the skill of the art. The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims (6)

1. The utility model provides a disc hub is anchor clamps for processing, includes chuck body, its characterized in that, chuck body include position sleeve (1) and chuck (2), position sleeve (1) have rather than coaxial setting through-hole (3), chuck (2) have rather than coaxial setting through-hole two (4), position sleeve (1) and chuck (2) coaxial setting and detachably connect, through-hole two (4) keep away from the drill way of position sleeve (1) and be the reaming form, the outer end that position sleeve (1) was kept away from in chuck (2) has and makes this end have elastic notch structure.

2. The clamp for processing the disc hub as claimed in claim 1, wherein the notch structure comprises a plurality of open grooves (5) which are circumferentially and uniformly distributed and radially penetrate through, each open groove (5) axially extends from the middle of the chuck (2) to the outer end of the chuck (2), the inner ends of the open grooves (5) are communicated with a circular hole (6) which radially penetrates through, and the outer ends of the open grooves (5) are open openings communicated with the outer end of the chuck (2).

3. A disc hub machining clamp according to claim 2, characterized in that a circumferential limiting structure for limiting circumferential rotation of the chuck (2) is arranged between the locating sleeve (1) and the chuck (2), the inner end of the chuck (2) is inserted into the locating sleeve (1), the locating sleeve (1) is provided with a retaining shoulder (7) for abutting against the inner end of the chuck (2), the circumferential limiting structure comprises a key block (8) embedded in the outer wall of the inner end of the chuck (2), and the inner wall of the locating sleeve (1) is provided with a matching groove (9) for accommodating the key block (8).

4. A disc hub machining clamp according to claim 3, characterized in that the locating sleeve (1) and the clamping head (2) are fixedly connected through a plurality of screws.

5. A disc hub machining clamp according to claim 4, characterized in that the retaining shoulder (7) is provided with a plurality of circumferentially and uniformly distributed through holes (10), and screws penetrate through the through holes (10) and are in threaded connection with the chuck (2).

6. A disc hub machining clamp according to claim 5, characterized in that the locating sleeve (1) is provided with a plurality of connecting holes (11) which are uniformly distributed in the circumferential direction and axially penetrate through, and threaded holes (12) which axially penetrate through are formed between every two adjacent connecting holes (11).

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