CN219704170U - Frock of eccentric work piece - Google Patents
Frock of eccentric work piece Download PDFInfo
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- CN219704170U CN219704170U CN202320903058.1U CN202320903058U CN219704170U CN 219704170 U CN219704170 U CN 219704170U CN 202320903058 U CN202320903058 U CN 202320903058U CN 219704170 U CN219704170 U CN 219704170U
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- eccentric
- adjusting
- screw hole
- axis
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- 230000005484 gravity Effects 0.000 claims description 24
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000003754 machining Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 7
- 238000007514 turning Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Abstract
The utility model discloses a tool for eccentric workpieces, which relates to the technical field of workpiece processing and solves the technical problem that the processing precision of the workpieces cannot meet the high precision requirement during eccentric processing; the utility model is used for processing shaft workpieces and has the advantage of high processing precision of the shaft workpieces.
Description
Technical Field
The utility model belongs to the technical field of workpiece machining, and particularly relates to the technical field of tools for eccentric workpieces.
Background
In a transmission mechanism, usually, an eccentric workpiece or a crankshaft and other workpieces are used for completing rotary motion, wherein the eccentric workpiece is a workpiece with an axis parallel to but not coincident with the axis, the workpiece with an eccentric outer circle is called an eccentric workpiece, the workpiece with an eccentric inner hole and an eccentric outer circle is called an eccentric sleeve, the distance between the axes is called an eccentric distance, the method for turning the eccentric workpiece is many, such as clamping turning of a three-jaw chuck and a four-jaw chuck, and the eccentric machining has higher precision in machining.
Eccentric parts are widely applied to mechanical equipment, but the processing technology of the eccentric parts is complex, and the main problem is that the eccentricity is difficult to grasp. During mass production, if the clamping correction is difficult to process according to the traditional method, the efficiency is low, the requirements of the size and the tolerance are not easy to be met, and the eccentric processing precision is better mastered during the processing of the crankshaft parts.
Disclosure of Invention
The utility model aims at: the utility model provides a tool for eccentric workpieces, which aims to solve the technical problem that the machining precision of the existing workpieces cannot meet the high-precision requirement during eccentric machining.
The utility model adopts the following technical scheme for realizing the purposes:
the utility model provides a frock of eccentric work piece, includes the frock body, is offered in place the groove of frock body surface processing formation, place the axis in the groove eccentric in the axis of frock body, the outer terminal surface of frock body and the periphery of placing the groove are equipped with clamping adjusting device, adjusting device supports tightly or loosens in the work piece.
Further, the clamping adjusting devices arranged on the periphery of the placement groove are distributed along the circumferential array of the outer circumferential line of the placement groove.
Further, the clamping adjusting device is provided with a fixed block and an adjusting nut, the fixed block is integrally formed on the outer end face of the tool body, the adjusting nut is connected with the fixed block through threads, and the adjusting nut is abutted or loosened on the workpiece.
Further, the tool body is provided with a first screw hole and a second screw hole, the axis of the first screw hole is eccentric to the axis of the tool body, and the axis of the second screw hole coincides with the axis of the tool body.
Further, the first screw hole is connected with a gravity adjusting piece in a threaded mode, and the second screw hole is connected with an abutting adjusting bolt in a threaded mode.
Further, the gravity adjusting piece is located in the reverse direction of the placement groove.
Further, a gap is formed between the abutting adjusting bolt and the tool body.
Further, the gravity adjusting piece is provided with a gravity block and a screw rod, and the screw rod is in threaded connection with the first screw hole.
Further, the gravity block is round, rectangular, triangular or trapezoidal in shape.
The beneficial effects of the utility model are as follows:
1. the tool body and the placing groove formed by machining the surface of the tool body are arranged, the axis of the placing groove is eccentric to the axis of the tool body, the outer end face of the tool body and the periphery of the placing groove are provided with clamping adjusting devices, the adjusting devices are abutted against or loosened on a workpiece, the workpiece is placed in the placing groove, the clamping adjusting devices are adjusted and clamped, the tool body is selected to be rotated, so that the outer end shaft of the integral crankshaft can be clamped in the placing groove, and the whole crankshaft machining precision is facilitated by rotation of the tool body.
2. The clamping adjusting devices arranged on the periphery of the placing groove are distributed along the circumferential array of the outer circumferential line of the placing groove, and the adjusting devices axially clamp the workpieces in the placing groove.
3. The clamping adjusting device is provided with the fixed block and the adjusting nut, the fixed block is integrally formed on the outer end face of the tool body, the adjusting nut is connected with the fixed block through threads, the adjusting nut is abutted against or loosened from the workpiece, and the workpiece is abutted against or loosened from the adjusting nut is specifically thinned.
4. According to the tool, the first screw hole is connected with the gravity adjusting piece in a threaded mode, the second screw hole is connected with the abutting adjusting bolt in a threaded mode, and the gravity adjusting piece is located in the reverse direction of the placement groove, so that the whole tool body does not swing radially in the rotating process.
5. The gravity adjusting piece is provided with the gravity block and the screw rod, and the screw rod is in threaded connection with the first screw hole, so that the gravity adjusting piece is convenient to detach.
6. The gravity block is round, rectangular, triangular or trapezoidal in shape, and workpieces with different qualities are processed according to the shapes of different gravity blocks.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of the present utility model;
fig. 3 is a schematic view of the structure of the weight adjuster of the present utility model.
Reference numerals: 1-frock body, 2-put groove, 3-fixed block, 4-adjusting nut, 5-adjusting bolt, 6-gravity regulating part, 61-gravity piece, 62-screw rod, 7-clearance, 8-first screw, 9-second screw, 10-screw thread head.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Example 1
As shown in fig. 1 and 2, this embodiment provides a tool for eccentric workpieces, which comprises a tool body 1 and a placement groove 2 formed by machining the surface of the tool body 1, wherein the axis of the placement groove 2 is eccentric to the axis of the tool body 1, the outer end surface of the tool body 1 and the outer periphery of the placement groove 2 are provided with clamping and adjusting devices, the clamping and adjusting devices on the outer periphery of the placement groove 2 are distributed along the circumferential array of the outer circumferential line of the placement groove 2, and the adjusting devices are abutted against or loosened on the workpieces.
The clamping adjusting device is provided with a fixed block 3 and an adjusting nut 4, the fixed block 3 is integrally formed on the outer end face of the tool body 1, the adjusting nut 4 is connected with the fixed block 3 through threads, and the adjusting nut 4 is abutted against or loosened from the workpiece.
The tool body 1 is provided with a first screw hole 8 and a second screw hole 9, the axis of the first screw hole 8 is eccentric to the axis of the tool body 1, the axis of the second screw hole 9 coincides with the axis of the tool body 1, the first screw hole 8 is in threaded connection with a gravity adjusting piece 6, the second screw hole 9 is in threaded connection with an abutting adjusting bolt 5, the gravity adjusting piece 6 is located in the reverse direction of the placement groove 2, and a gap 7 is formed between the abutting adjusting bolt 5 and the tool body 1.
The gravity adjusting piece 6 is provided with a gravity block 61 and a screw rod 62, the screw rod 62 is in threaded connection with the first screw hole 8, and the gravity block 61 is circular, rectangular, triangular or trapezoidal in shape.
Example 2
Tool bodies 1 can be symmetrically arranged at two ends of the machine tool, the placing grooves 2 can clamp the respective end shafts at two ends of the whole crankshaft in the placing grooves 2 of the tool bodies 1 at two ends respectively, the rotation of the tool bodies 1 can improve the machining precision of the whole crankshaft, and the hollow eccentric shaft workpieces can be finish machined, and the method is specifically described as follows:
the tool body 1 is provided with a thread head 10, the thread head 10 is connected to a machine tool through threads, a workpiece is placed in the placing groove 2, whether the workpiece is a solid eccentric shaft workpiece or a hollow eccentric shaft workpiece, the outer peripheral wall of the workpiece is abutted through adjustment of an adjusting nut 4 of the clamping adjusting device, and the axis of the shaft workpiece is coaxial with the axis of the placing groove 2.
After the axis of the shaft workpiece is coaxial with the axis of the placement groove 2, the workpiece is a solid eccentric shaft workpiece, and the adjusting bolt 5 does not need to be connected with the tool body 1. The workpiece is a hollow eccentric shaft workpiece (such as a hollow pipe needing turning), the workpiece is placed in the placing groove 2, adjusting bolts 5 with different sizes are selected according to different pipe wall thicknesses (one ends of the adjusting bolts 5 are required to be inserted into the second screw holes 9 to be in threaded connection with the tool body 1), the workpiece is abutted against a gap 7 between the adjusting bolts 5 and the tool body 1, the hollow eccentric shaft workpiece with different thicknesses can be arranged in the gap 7, the workpiece is arranged in the gap 7 between the adjusting bolts 5 and the tool body 1, and the adjusting bolts 5, the tool body 1 and the workpiece are in frictional contact to further prevent the workpiece from rotating in the placing groove 2.
The gravity adjusting piece 6 is located in the reverse direction of the placement groove 2, and according to different workpiece masses, the tool body 1 is detached and installed to prevent radial swing of the whole tool body 1 in the rotating process, and different shapes of the gravity block 61 can have different masses, so that the whole tool body 1 is prevented from radial swing in the rotating process according to workpieces of different masses, and the machining precision of the workpieces is improved.
The above embodiments are provided to illustrate the technical concept and features of the present utility model and are intended to enable those skilled in the art to understand the content of the present utility model and implement the same, and are not intended to limit the scope of the present utility model. All equivalent changes or modifications made in accordance with the spirit of the present utility model should be construed to be included in the scope of the present utility model.
Claims (9)
1. The utility model provides a frock of eccentric work piece which characterized in that: including frock body (1), by set up in place groove (2) of frock body (1) surface processing formation, place the axis of groove (2) eccentric in the axis of frock body (1), the outer terminal surface of frock body (1) and the periphery of placing groove (2) are equipped with clamping adjusting device, adjusting device supports tightly or loosens in the work piece.
2. The tooling for eccentric workpieces according to claim 1, wherein: the clamping adjusting devices arranged on the periphery of the placement groove (2) are distributed along the circumferential array of the outer circumferential line of the placement groove (2).
3. The tooling for eccentric workpieces according to claim 2, wherein: the clamping adjusting device is provided with a fixed block (3) and an adjusting nut (4), the fixed block (3) is integrally formed on the outer end face of the tool body (1), the adjusting nut (4) is connected with the fixed block (3) through threads, and the adjusting nut (4) is abutted against or loosened on the workpiece.
4. The tooling for eccentric workpieces according to claim 1, wherein: the tool body (1) is provided with a first screw hole (8) and a second screw hole (9), the axis of the first screw hole (8) is eccentric to the axis of the tool body (1), and the axis of the second screw hole (9) is coincident with the axis of the tool body (1).
5. The tooling for eccentric workpieces as recited in claim 4, wherein: the first screw hole (8) is in threaded connection with the gravity adjusting piece (6), and the second screw hole (9) is in threaded connection with the supporting adjusting bolt (5).
6. The tooling for eccentric workpieces as recited in claim 5, wherein: the gravity adjusting piece (6) is positioned in the reverse direction of the placement groove (2).
7. The tooling for eccentric workpieces as recited in claim 5, wherein: and a gap (7) is formed between the abutting adjusting bolt (5) and the tool body (1).
8. The tooling for eccentric workpieces as recited in claim 5, wherein: the gravity adjusting piece (6) is provided with a gravity block (61) and a screw rod (62), and the screw rod (62) is in threaded connection with the first screw hole (8).
9. The tooling for eccentric workpieces as recited in claim 8, wherein: the gravity block (61) is circular, rectangular, triangular or trapezoidal in shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320903058.1U CN219704170U (en) | 2023-04-20 | 2023-04-20 | Frock of eccentric work piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320903058.1U CN219704170U (en) | 2023-04-20 | 2023-04-20 | Frock of eccentric work piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219704170U true CN219704170U (en) | 2023-09-19 |
Family
ID=87980019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320903058.1U Active CN219704170U (en) | 2023-04-20 | 2023-04-20 | Frock of eccentric work piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219704170U (en) |
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2023
- 2023-04-20 CN CN202320903058.1U patent/CN219704170U/en active Active
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