Driven tool clamping chuck

Abstract

The driven tool clamping chuck is characterized in that a chuck body is composed of an outer cone structure, an inner cone structure and a locking adjusting structure, the outer cone structure comprises a clamping seat and a clamping seat, the clamping seat and the clamping seat are coaxially arranged, the inner cone structure comprises a turbine and a gland, the turbine is embedded in the clamping seat, and the gland is arranged on the clamping seat. The worm wheel is connected with the clamping seat, a movable part is arranged between the worm wheel and the clamping seat, the locking adjusting structure comprises a worm used for being connected with the worm wheel, and a movable gap is formed between the clamping seat and the clamping seat. The socket rod is rotated through the hexagon wrench, the worm belongs to a driving device and drives the worm wheel after rotating, as threads are arranged in the worm wheel, the clamping seat can move inwards as long as the worm is rotated, meanwhile, the clamping head shrinks and tightly holds a workpiece on the clamping head under the action of the clamping seat, and the whole device has the advantages of high-precision clamping, uniform stress and extremely small deviation. And the stability is higher.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of fixture, concretely is a driven tool clamping chuck. BACKGROUND

[0002] The traditional grinding machine uses general manual three-jaw chuck, and the defects are that: when the chuck is repaired, the chuck is damaged, and when the repair reaches a certain stage, the chuck must be replaced, the replaced chuck and the chuck have poor matching, which causes the precision of the chuck to be lost, the stability is poor, and high-precision workpiece processing cannot be realized. UTILITY MODEL CONTENTS

[0003] In order to overcome the defects of the prior art, the utility model provides a driven tool clamping chuck, which can effectively solve the problems in the background art.

[0004] The utility model adopts the technical scheme that:

[0005] A driven tool clamping chuck, comprising a chuck body, the chuck body is composed of an outer taper structure, an inner taper structure and a locking adjusting structure, the outer taper structure comprises a clamping seat and a clamping base, the clamping seat and the clamping base are coaxially arranged, the inner taper structure comprises a turbine and a gland, the turbine is embedded in the clamping seat, and the turbine is connected with the clamping base, a movable part is arranged between the turbine and the clamping base, the locking adjusting structure comprises a worm for connecting the turbine, wherein the clamping seat and the clamping base have a movable gap, the clamping base is further provided with a connecting part and a chuck, and the turbine moves along the axial direction of the clamping base by rotating the worm.

[0006] As a further description of the above technical scheme, a through hole is formed in the middle of the turbine, a thread is arranged on the inner wall of the through hole, the clamping base is arranged in the through hole, and a connecting part is arranged at one end of the clamping base in the through hole, and the connecting part is provided with an inverted taper thread tooth matched with the thread in the through hole.

[0007] As a further description of the above technical scheme, the outer side of the clamping seat is provided with a mounting hole and a plurality of flange holes, the worm is arranged in the mounting hole and connected with the turbine in transmission, and a female gear for connecting the worm is further arranged on the turbine.

[0008] As a further description of the above technical scheme, a first inclined surface is formed at one end of the clamping seat close to the chuck, the chuck is provided with a second inclined surface and a protruding part, the first inclined surface is in contact with the second inclined surface, the chuck is provided with a workpiece, and the clamping seat moves along the second inclined surface after the first inclined surface, and the chuck is fixed with the workpiece.

[0009] As a further description of the above technical solutions, the two ends of the turbine are also provided with mounting grooves, the movable part comprises a first bearing and a second bearing, the first bearing and the second bearing are arranged in the mounting grooves respectively, the turbine is connected with the clamping base through the first bearing, and the turbine is connected with the gland through the second bearing.

[0010] As a further description of the above technical solutions, the end of the clamping base away from the clamping seat is provided with a bayonet for mounting the gland, the gland is sealingly connected with the clamping base through the bayonet, and the gland is coaxially arranged with the turbine.

[0011] As a further description of the above technical solutions, the worm is also provided with a screw thread and a hexagonal screw hole, and the worm is in a straight rod type.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] The utility model discloses a driven tool clamping chuck, which has at least one of the following beneficial effects in use:

[0014] The worm is a driving device, and rotates to drive the turbine, because the turbine has screw teeth inside, as long as the worm is rotated, the clamping seat moves into the position, and the chuck is retracted to tightly hold the workpiece on the chuck under the action of the clamping base, the whole has the advantages of high-precision clamping, uniform stress and extremely small deviation, and the stability is higher. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is an overall structure schematic view of the utility model discloses a driven tool clamping chuck.

[0016] Figure 2 It is a side structure schematic view of the utility model discloses a driven tool clamping chuck.

[0017] Figure 3 It is a cross section structure schematic view of the utility model discloses a driven tool clamping chuck.

[0018] Figure 4 It is an explosion structure schematic view of the utility model discloses a driven tool clamping chuck.

[0019] Reference numerals in the drawing:

[0020] 1, chuck body;101, workpiece;102, gland;2, outer conical structure;201, clamping seat;202, chuck;203, connecting part;204, clamping base;205, mounting hole;3, inner conical structure;301, turbine;302, first bearing;303, second bearing;4, locking and adjusting structure;401, worm. DETAILED DESCRIPTION

[0021] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0022] As shown in Figures 1-4 The utility model provides a kind of driven tool clamping chuck, including chuck body 1, the chuck body 1 is by outer cone structure 2, inner cone structure 3 and locking adjusting structure 4 composition, the outer cone structure 2 includes clamping seat 204 and clamping seat 201, the clamping seat 204 is coaxially arranged with clamping seat 201, the inner cone structure 3 includes turbine 301 and gland 102, the turbine 301 is embedded in clamping seat 204, and the turbine 301 is connected with clamping seat 201, movable piece is equipped between the turbine 301 and clamping seat 201, the locking adjusting structure 4 includes the worm 401 for connecting turbine 301, wherein the clamping seat 204 and clamping seat 201 have movable gap, the clamping seat 201 is also provided with connecting portion 203 and chuck 202, the turbine 301 moves along the axial direction of clamping seat 201 by rotating worm 401.

[0023] The utility model is W25 chuck, more use in tool grinder, have inner and outer cone structure 2, form front end conical, the purpose of conical shape is to prevent interference, the taper of triangle is favorable to greater intensity clamping, chuck 202 tail has a inverted taper thread, the function of thread can realize stable tension.

[0024] Specifically, the hole rod can be rotated by a hexagonal wrench, the worm 401 is a driving device, and the turbine 301 is driven to rotate after the worm 401 is rotated. The turbine 301 has a thread inside, and the clamping seat 201 moves inward as soon as the worm 401 is rotated. At the same time, the chuck 202 is retracted and tightly holds the workpiece 101 on the chuck 202 under the action of the clamping seat 204. The whole has the advantages of high-precision clamping, uniform stress, and extremely small deviation, and higher stability.

[0025] Further, a through hole is formed in the middle of the turbine 301, a thread is arranged on the inner wall of the through hole, the clamping seat 201 is arranged in the through hole, and a connecting portion 203 is arranged at one end of the clamping seat 201 in the through hole.

[0026] Further, a mounting hole 205 and a plurality of flange holes are arranged on the outside of the clamping seat 204, the worm 401 is arranged in the mounting hole 205 and is in transmission connection with the turbine 301, and a female gear for connecting the worm 401 is further arranged on the turbine 301.

[0027] The worm 401 is in the form of a straight rod, has a hexagonal wrench position inside, and has a circle of female rod thread teeth on the outer diameter.

[0028] Further, the first inclined surface of the clamping seat 204 is in contact with the second inclined surface of the chuck 202, and the chuck 202 is fixed with the workpiece 101.

[0029] Further, the turbine 301 is also provided with mounting grooves at both ends, the movable part includes a first bearing 302 and a second bearing 303, the first bearing 302 and the second bearing 303 are arranged in the mounting grooves respectively, the turbine 301 is connected with the clamping seat 204 through the first bearing 302, and the turbine 301 is connected with the gland 102 through the second bearing 303.

[0030] The turbine 301 is arranged at the trapezoidal step of the clamping seat 204, and the turbine 301 is provided with a circle of female gear teeth that need to be ground with high precision.

[0031] Further, the end of the clamping seat 204 away from the clamping seat 201 is provided with a bayonet for mounting the gland 102, the gland 102 is in sealing connection with the clamping seat 204 through the bayonet, and the gland 102 is coaxially arranged with the turbine 301.

[0032] Further, the worm 401 is also provided with thread teeth and a hexagonal screw hole, and the worm 401 is in the form of a straight rod.

[0033] It is apparent for those skilled in the art that the present application is not limited to the details of the foregoing exemplary embodiments, and the present application can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and non-restrictive, and the scope of the present application is defined by the appended claims rather than the foregoing description, and all changes falling within the meaning and range of equivalent elements of the claims are intended to be embraced therein. Any reference signs in the claims should not be regarded as limiting the claims to which they are concerned.

Claims

1. A driven tool clamping chuck, characterized in that, The chuck body comprises an outer conical structure, an inner conical structure, and a locking adjustment structure. The outer conical structure includes a chuck seat and a clamping seat, which are coaxially arranged. The inner conical structure includes a turbine and a pressure cap. The turbine is embedded in the chuck seat and connected to the clamping seat. A movable part is provided between the turbine and the clamping seat. The locking adjustment structure includes a worm gear for connecting the turbine. There is a movable gap between the chuck seat and the clamping seat. The clamping seat also has a connecting part and a chuck. The turbine moves along the axial direction of the clamping seat by rotating the worm gear.

2. The driven tool clamping chuck according to claim 1, characterized in that: The turbine has a through hole in the middle, and the inner wall of the through hole is threaded. The clamp is inserted into the through hole, and the clamp is provided with a connecting part at one end of the through hole. The connecting part is provided with a tapered thread that mates with the thread in the through hole.

3. The driven tool clamping chuck according to claim 1, characterized in that: The card holder has mounting holes and several flange holes on its outer side. The worm gear passes through the mounting holes and is connected to the turbine drive. The turbine is also provided with a concave gear for connecting the worm gear.

4. The driven tool clamping chuck according to claim 1, characterized in that: The chuck has a first inclined surface formed at one end near the chuck, and the chuck has a second inclined surface and a protrusion. The first inclined surface contacts the second inclined surface, the chuck has a workpiece, and the chuck is fixed to the workpiece after the chuck moves along the second inclined surface via the first inclined surface.

5. A driven tool clamping chuck according to claim 1, characterized in that: The turbine is also provided with mounting slots at both ends, wherein the movable part includes a first bearing and a second bearing, the first bearing and the second bearing are respectively provided in the mounting slot, the turbine is connected to the card seat through the first bearing, and the turbine is connected to the pressure cap through the second bearing.

6. A driven tool clamping chuck according to claim 1 or 5, characterized in that: The end of the card holder away from the clamp is provided with a slot for installing the pressure cap. The pressure cap is sealed to the card holder through the slot and is coaxially arranged with the turbine.

7. A driven tool clamping chuck according to claim 1 or 3, characterized in that: The worm gear is also provided with threaded teeth and a hexagonal screw hole, and the worm gear is in the form of a straight rod.

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