CN221134110U - Clamp for high-precision turning tool of thin-wall part - Google Patents
Clamp for high-precision turning tool of thin-wall part Download PDFInfo
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- CN221134110U CN221134110U CN202323009544.8U CN202323009544U CN221134110U CN 221134110 U CN221134110 U CN 221134110U CN 202323009544 U CN202323009544 U CN 202323009544U CN 221134110 U CN221134110 U CN 221134110U
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- elastic chuck
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- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 238000001125 extrusion Methods 0.000 claims description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Abstract
The utility model discloses a fixture for a high-precision turning tool of a thin-wall part, which comprises a base and a connecting nut positioned at the inner side of the base, wherein the front end of the base is provided with a taper sleeve, a positioning leaning piece is arranged in the taper sleeve, the front end surface of the positioning leaning piece is tightly attached to a workpiece to position the workpiece, the front end of the connecting nut is connected with a pulling assembly which axially moves relative to the base and the taper sleeve, the front end of the pulling assembly is connected with an elastic chuck, the outer ring of the elastic chuck is matched with the inner inclined surface of the taper sleeve, the inner ring of the elastic chuck is matched with the outer ring of the workpiece, and the connecting nut enables the elastic chuck to axially move through the pulling assembly, so that the taper sleeve extrudes the elastic chuck. Through the mode, the fixture for the high-precision turning tool for the thin-walled workpiece, disclosed by the utility model, clamps the outer circle of the workpiece in a full-wrapping mode, so that the deformation phenomenon of an inner hole is effectively avoided, and the yield of the workpiece is improved.
Description
Technical Field
The utility model relates to the field of machining, in particular to a fixture for a high-precision turning tool of a thin-wall part.
Background
The ring gear is a conventional component of an automotive hybrid transmission. The machining mode of the inner bevel gear is that the outer circle of the full-packing 114 is provided with the gear by the end face of the datum A, the gear is integrally nitrided and heat treated after the gear is provided with the finish turning welding starting port, the datum of the gear is completely consistent with the clamping datum of the finish turning welding starting port, and the full-packing finish turning inner hole tool can meet the jumping requirement of 0.04.
The existing processing equipment adopts a hydraulic three-jaw clamp for clamping the outer circle of a workpiece, and because the workpiece is a thin-wall workpiece, the inner hole is good before the workpiece is dismounted after the workpiece is machined, and the inner hole becomes 3-angle ellipse after the workpiece is loosened, so that the requirement of a subsequent procedure cannot be met.
Disclosure of Invention
The utility model mainly solves the technical problem of providing the fixture for the high-precision turning tool of the thin-walled workpiece, which adopts a full-package mode to clamp the outer circle of the workpiece, thereby effectively avoiding the occurrence of the deformation phenomenon of an inner hole and improving the yield of the workpiece.
In order to solve the technical problems, the utility model adopts a technical scheme that: the utility model provides a fixture for high accuracy car processing frock of thin wall spare, including base and the coupling nut that is located the base inboard, the front end of base is equipped with the taper sleeve, the inside of taper sleeve is equipped with the location and leans on the piece, the preceding terminal surface of location leaning on the piece pastes tightly with the work piece in order to fix a position the work piece, the coupling nut front end is connected with the pulling subassembly of relative base and taper sleeve axial displacement, the collet is connected to pulling subassembly front end, the inner lane of collet cooperates with the inboard inclined plane of taper sleeve, the inner circle of collet cooperates with the outer lane of work piece, coupling nut makes collet axial displacement through pulling the subassembly to make taper sleeve extrusion collet.
In a preferred embodiment of the utility model, the pulling assembly comprises a connecting sleeve in threaded connection with a connecting nut, a plurality of equal-height sleeves are fixedly arranged at the front end of the connecting sleeve, the equal-height sleeves are movably arranged in through holes of the taper sleeve, and the elastic clamping head is fixedly connected with the front end of the equal-height sleeve.
In a preferred embodiment of the utility model, the contour sleeve, the elastic chuck and the connecting sleeve are integrally fastened through connecting bolts, and the elastic chuck is positioned on the inner side of the taper sleeve.
In a preferred embodiment of the present utility model, the number of the equal-height sleeves is 6, and the equal-height sleeves are uniformly arranged on the end surface of the connecting sleeve at intervals.
In a preferred embodiment of the present utility model, the front end of the elastic chuck has a clamping part, the inner side is a hollow structure, the clamping part is a plurality of arc chucks arranged in gaps, and the outer sides of the arc chucks are pressed by the inner inclined surfaces of the taper sleeves.
In a preferred embodiment of the present utility model, the positioning leaning piece is located on the inner side of the elastic chuck and is arranged at a distance from the elastic chuck.
In a preferred embodiment of the utility model, the positioning leaning piece is connected to the backup flange, the backup flange is fixedly connected with the taper sleeve through a screw, and the positioning leaning piece is fixed with the backup flange through the screw.
In a preferred embodiment of the utility model, the backup flange is located on the inner side of the elastic chuck and is in clearance fit with the elastic chuck.
The beneficial effects of the utility model are as follows: according to the fixture for the high-precision turning tool for the thin-wall piece, the connecting nut and the pulling assembly drive the elastic chuck to axially move, the elastic chuck is deformed to clamp the outer circle of the workpiece, the clamping force applied to the circumferential direction of the workpiece is balanced, and the deformation of the side wall of the circumferential direction of the workpiece is avoided.
The fixture for the high-precision turning tool of the thin-wall part is used for positioning the end face of the workpiece through the positioning leaning piece, controlling the axial dimension of the machined workpiece, ensuring the accurate positioning of the workpiece clamped each time and improving the yield.
The fixture for the high-precision turning tool of the thin-wall part has the advantages that the connecting nut is in transition through the connecting shaft and the equal-height sleeve, so that the connecting nut drives the taper sleeve to axially move, the installation position of the taper sleeve is accurate, the movement is stable, and the clamping effect is ensured.
Drawings
For a clearer description of the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the description below are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art, wherein:
FIG. 1 is a schematic view of a fixture for high precision turning tools for thin-walled parts according to a preferred embodiment of the present utility model;
FIG. 2 is a schematic perspective view of the spring clip;
FIG. 3 is a schematic perspective view of a workpiece;
The components in the drawings are marked as follows: 1. the device comprises a base, 2, a connecting nut, 3, a taper sleeve, 4, a positioning leaning piece, 5, a leaning flange, 6, an elastic chuck, 61, an arc chuck, 7, a connecting sleeve, 8, an equal-height sleeve, 9 and a workpiece.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below. The structures, proportions, sizes, etc. shown in the drawings are shown only in connection with the present disclosure, and are not intended to limit the scope of the utility model, since any modification, variation in proportions, or adjustment of the size, etc. of the structures, proportions, etc. should be considered as falling within the spirit and scope of the utility model, without affecting the effect or achievement of the objective. Also, the terms "upper", "lower", "left", "right", "middle", and the like are used herein for descriptive purposes only and are not intended to limit the scope of the utility model for modification or adjustment of the relative relationships thereof, as they are also considered within the scope of the utility model without substantial modification to the technical context.
Referring to fig. 1 and 2, a fixture for a high-precision turning tool for thin-walled parts includes a base 1 and a connecting nut 2 located inside the base 1. The rear end opening of the base 1 is connected with a main shaft of a numerical control lathe and is locked on the main shaft of the numerical control lathe through an inner hexagon screw. The connecting nut 2 is connected with an oil cylinder in the middle of the main shaft of the numerically controlled lathe, and the oil cylinder provides external power to enable the connecting nut 2 to move forwards and backwards.
The front end of the base 1 is provided with a taper sleeve 3, and a positioning leaning piece 4 is arranged in the taper sleeve 3. The positioning leaning piece 4 is connected to the leaning flange 5, and the leaning flange 5 is fixedly connected with the taper sleeve 3 through screws. The positioning leaning piece 4 is fixed with the backing flange 5 through screws. The front end face of the positioning leaning piece 4 is tightly attached to the workpiece 9 to position the workpiece 9, the backup flange 5 is positioned on the inner side of the elastic chuck 6 and is in clearance fit with the elastic chuck 6, the positioning leaning piece 4 is not contacted with the elastic chuck 6, the positioning leaning piece 4 and the elastic chuck 6 are not mutually interfered, and the motion independence of the elastic chuck 6 is ensured. The taper sleeve 3, the positioning leaning piece 4 and the backup flange 5 are connected into a whole, so that the positioning leaning piece 4 is ensured to be fixed in position. The positioning leaning piece 4 is used for controlling the axial dimension of the workpiece 9 to be processed, and the positioning leaning piece 4 is a hard leaning piece, so that the workpiece 9 can be ensured to lean against the same surface each time.
The front end of the connecting nut 2 is connected with a pulling component which moves axially relative to the base 1 and the taper sleeve 3, and the front end of the pulling component is connected with an elastic chuck 6. The pulling assembly comprises a connecting sleeve 7 in threaded connection with a connecting nut 2, a plurality of equal-height sleeves 8 are fixedly arranged at the front end of the connecting sleeve 7, the number of the equal-height sleeves 8 is 6, the equal-height sleeves 8 are uniformly arranged on the end face of the connecting sleeve 7 at intervals, and the equal-height sleeves 8 are movably arranged in through holes of the taper sleeve 3. The elastic chuck 6 is fixedly connected with the front end of the equal-height sleeve 8. The constant-height sleeve 8, the elastic clamp 6 and the connecting sleeve 7 are integrally fastened through connecting bolts, and the elastic clamp 6 is positioned on the inner side of the taper sleeve 3. The connecting nut 2 is fixedly connected with the connecting sleeve 7 in a threaded manner, the equal-height sleeve 8 is arranged in the through hole of the taper sleeve 3, the equal-height sleeve 8 can axially move relative to the taper sleeve 3, the positioning jacket is positioned at the front end of the equal-height sleeve 8, the installation position is ensured to be accurate by the equal-height sleeve 8, the connecting nut 2 is fixedly connected through bolts, and the positioning jacket can be driven to move back and forth when the connecting nut 2 is pulled by an external oil cylinder.
The outer ring of the elastic chuck 6 is matched with the inner inclined surface of the taper sleeve 3, the inner ring of the elastic chuck 6 is matched with the outer ring of the workpiece 9, and the connecting nut 2 enables the elastic chuck 6 to axially move by pulling the assembly, so that the taper sleeve 3 extrudes the elastic chuck 6. The front end of the elastic chuck 6 is provided with a clamping part, the inner side is of a hollow structure, the clamping part is provided with a plurality of arc chucks 61 which are arranged in gaps, and the outer sides of the arc chucks 61 are tightly pressed by the inner inclined surfaces of the taper sleeves 3. The outer ring of the elastic chuck 6 and the inner inclined surface of the taper sleeve 3 form a matched extrusion surface, when the elastic chuck 6 moves relative to the taper sleeve 3, the inner inclined surface of the taper sleeve 3 extrudes the arc-shaped chuck 61 inwards, the arc-shaped chuck 61 is pressed and deformed inwards, so that the arc-shaped chuck 61 compresses the outer circle of the workpiece 9, the stable clamping of the outer circle of the workpiece 9 is ensured, the outer circle of the workpiece 9 is clamped in a bag manner, the occurrence of the phenomena of ellipse, coaxiality and the like of an inner hole can be effectively avoided, and the structure of the workpiece 9 is shown in fig. 3.
Compared with the prior art, the fixture for the high-precision turning tool for the thin-walled workpiece is characterized in that the outer circle of the workpiece is clamped in a full-wrapping mode, so that the deformation phenomenon of an inner hole is effectively avoided, and the yield of the workpiece is improved.
The utility model and its embodiments have been described above by way of illustration and not limitation, and the utility model is illustrated in the accompanying drawings and described in the drawings in which the actual structure is not limited thereto. Therefore, if one of ordinary skill in the art is informed by this disclosure, the structural mode and the embodiments similar to the technical scheme are not creatively designed without departing from the gist of the present utility model.
Claims (8)
1. The utility model provides a fixture for high accuracy car processing frock of thin wall spare, includes the base and is located the inboard coupling nut of base, its characterized in that, the front end of base is equipped with the taper sleeve, the inside of taper sleeve is equipped with the location and leans on the piece, the preceding terminal surface of location lean on the piece is closely with the work piece in order to fix a position the work piece, the coupling nut front end is connected with the pulling subassembly of relative base and taper sleeve axial displacement, the elastic chuck is connected to pulling subassembly front end, the inner lane of elastic chuck cooperates with the inboard inclined plane of taper sleeve, the inner circle of elastic chuck cooperates with the outer lane of work piece, coupling nut makes elastic chuck axial displacement through pulling subassembly to make taper sleeve extrusion elastic chuck.
2. The fixture for the high-precision turning tool of the thin-walled workpiece according to claim 1, wherein the pulling assembly comprises a connecting sleeve in threaded connection with a connecting nut, a plurality of equal-height sleeves are fixedly arranged at the front end of the connecting sleeve, the equal-height sleeves are movably arranged in through holes of the taper sleeve, and the elastic clamping head is fixedly connected with the front ends of the equal-height sleeves.
3. The fixture for the high-precision turning tool of the thin-walled workpiece according to claim 2, wherein the contour sleeve, the elastic clamp and the connecting sleeve are integrally fastened through connecting bolts, and the elastic clamp is positioned on the inner side of the taper sleeve.
4. The fixture for the high-precision turning tool of the thin-walled workpiece according to claim 3, wherein the number of the contour sleeves is 6, and the contour sleeves are uniformly arranged on the end face of the connecting sleeve at intervals.
5. The fixture for high-precision turning tools for thin-walled workpieces according to claim 1, wherein the front end of the elastic chuck is provided with a clamping part, the inner side of the elastic chuck is of a hollow structure, the clamping part is an arc-shaped chuck with a plurality of gaps, and the outer side of the arc-shaped chuck is pressed by an inner inclined surface of a taper sleeve.
6. The fixture for high-precision turning tools for thin-walled parts according to any of claims 1-5 wherein the positioning rest is located inside the collet and spaced apart from the collet.
7. The fixture for high-precision turning tools for thin-walled parts according to claim 6, wherein the positioning leaning piece is connected to a backing flange, the backing flange is fixedly connected with a taper sleeve through a screw, and the positioning leaning piece is fixed with the backing flange through the screw.
8. The fixture for high-precision turning tools of thin-walled parts according to claim 7 wherein the backup flange is located inside the collet and is in clearance fit with the collet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323009544.8U CN221134110U (en) | 2023-11-08 | 2023-11-08 | Clamp for high-precision turning tool of thin-wall part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323009544.8U CN221134110U (en) | 2023-11-08 | 2023-11-08 | Clamp for high-precision turning tool of thin-wall part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221134110U true CN221134110U (en) | 2024-06-14 |
Family
ID=91419275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323009544.8U Active CN221134110U (en) | 2023-11-08 | 2023-11-08 | Clamp for high-precision turning tool of thin-wall part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221134110U (en) |
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2023
- 2023-11-08 CN CN202323009544.8U patent/CN221134110U/en active Active
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