CN209936044U - Anchor clamps suitable for multiple angle rack gear grinding processing - Google Patents
Anchor clamps suitable for multiple angle rack gear grinding processing Download PDFInfo
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- CN209936044U CN209936044U CN201920858145.3U CN201920858145U CN209936044U CN 209936044 U CN209936044 U CN 209936044U CN 201920858145 U CN201920858145 U CN 201920858145U CN 209936044 U CN209936044 U CN 209936044U
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- seat
- worm
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- adjusting seat
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Abstract
The utility model relates to an anchor clamps, concretely relates to anchor clamps suitable for multiple angle rack gear grinding processing. The base is fixedly arranged on the foundation slab, an adjusting seat is movably arranged in the base through a positioning shaft, a worm is arranged in the base on one side of the adjusting seat, a worm wheel is fixedly arranged on the adjusting seat corresponding to the worm, and the worm wheel is meshed with the worm. The fixture clamps a workpiece through the workpiece seat, during work, the adjusting seat can be driven to rotate through rotating the adjusting hand wheel, and then the workpiece is driven to rotate, so that steering gear racks with different spiral angles can be machined, the problem that when the fixture used by the traditional steering gear rack grinding machine is used for machining steering gear racks with one batch of specifications, the fixture used by the rack grinding machine corresponding to the fixture needs to be replaced, great waste can be caused, and the problems of product model replacement and inconvenience in maintenance are solved, and the fixture is particularly suitable for being assembled and used by the rack grinding machine.
Description
Technical Field
The utility model relates to an anchor clamps, concretely relates to anchor clamps suitable for multiple angle rack gear grinding processing.
Background
The steering gear rack is an important part of an automobile steering gear, and the outer diameter and the helical angle of the adopted steering gear rack are different due to different types of vehicles, so that clamps with different sizes are required to clamp the rack to be machined during machining. The fixture for the traditional steering gear rack grinding machine is usually a fixture structure corresponding to a certain product, and the fixture adopts a circumferential clamping mode, so that different types of fixtures need to be continuously replaced in the product model changing process, the fixture position needs to be adjusted, and when a batch of steering gear racks are machined, a pair of corresponding fixtures for the rack grinding machine needs to be replaced.
Disclosure of Invention
The utility model aims to provide a: the fixture capable of adjusting the angle of the fixture can meet the requirements of gear grinding processing of racks with different models and sizes and is suitable for gear grinding processing of racks with various angles.
The technical scheme of the utility model is that:
the utility model provides an anchor clamps suitable for processing of multiple angle rack gerar grinding, includes soleplate, base, adjustment seat, work piece seat, worm and turbine, its characterized in that: a base is fixedly arranged on the foundation bottom plate, an adjusting seat is movably arranged in the base through a positioning shaft, a worm is arranged in the base on one side of the adjusting seat, a worm wheel is fixedly arranged on the adjusting seat corresponding to the worm, and the worm wheel is meshed with the worm; a workpiece seat is fixedly arranged on the end face of the top of the adjusting seat through a fixing bolt, limiting blocks are symmetrically and fixedly arranged on the top of the workpiece seat through the fixing bolt, and an extrusion block is arranged between the limiting blocks through the fixing bolt.
One end of the worm extends to the outer end of the base, and an adjusting hand wheel is fixedly arranged at the end head of the worm extending to the outer end of the base.
The adjusting hand wheel is provided with an angle scale, the circumference of the angle scale is provided with a hand wheel angle value, and a hand wheel angle reference needle is arranged on a base plate on one side of the angle scale of the adjusting hand wheel.
The circumference of the adjusting seat is provided with an angle value of the adjusting seat, and the base below the angle value of the adjusting seat is provided with an angle reference needle of the adjusting seat.
The adjusting seats at the front end and the rear end of the workpiece seat are fixedly provided with locking blocks through fixing bolts, the locking blocks are symmetrically arranged, and the locking blocks are tightly and tightly connected with the workpiece seat.
The limiting blocks are L-shaped correspondingly, and the extrusion block is connected with one limiting block through a fixing bolt.
The section of the extrusion block is rectangular, and the end face of one side of the extrusion block is oblique.
The workpiece seat is in a shape of Chinese character 'zhong', and the middle part of the workpiece seat is in a convex shape.
The beneficial effects of the utility model reside in that:
this anchor clamps suitable for processing of multiple angle rack gear grinding passes through the tight work piece of work piece seat clamp, in operation, can drive the adjustment seat through rotatory adjusting hand wheel and rotate, and then drive the work piece and rotate, the steering gear rack of different spiral angles of workable from this, the steering gear rack of every processing a batch of specifications of the anchor clamps that traditional steering gear rack gear grinding machine used has been solved, just must change the anchor clamps that the corresponding rack gear grinding machine used with it, cause and to produce very big waste, and to the product remodelling, the very inconvenient problem all is maintained, this anchor clamps suitable for processing of multiple angle rack gear grinding have simple structure, rack fixed effect is good, the processing stationarity is good, convenient to use's characteristics, can satisfy the processing of the rack gear grinding of different model sizes, specially adapted rack gear grinding machine assembles the use.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic side view of the present invention;
fig. 3 is a schematic top view of the present invention;
fig. 4 is a schematic top view of the workpiece holder according to the present invention.
In the figure: 1. the device comprises a foundation bottom plate, 2, a base, 3, an adjusting seat, 4, a workpiece seat, 5, a worm, 6, a turbine, 7, a positioning shaft, 8, an adjusting hand wheel, 9, a hand wheel angle value, 10, a hand wheel angle reference needle, 11, an adjusting seat angle value, 12, an adjusting seat angle reference needle, 13, a locking block, 14, a limiting block, 15, an extrusion block, 16 and a workpiece.
Detailed Description
The fixture suitable for machining the gear grinding of the racks with various angles comprises a base plate 1, a base 2, an adjusting seat 3, a workpiece seat 4, a worm 5 and a turbine 6, wherein the base 2 is fixedly arranged on the base plate 1 through a fixing bolt, the base 2 is a circular hollow body, and a positioning shaft 7 is arranged on the base plate 1 at the center of the base 2; an adjusting seat 3 is movably mounted in the base 2 through a positioning shaft 7, the adjusting seat 3 is a T-shaped cylinder, and the upper end of the adjusting seat 3 extends to the upper part of the base 2; a worm 5 is arranged in the base 2 on one side of the adjusting seat 3, one end of the worm 5 extends to the outer end of the base 2, and an adjusting hand wheel 8 is fixedly arranged at the end of the worm 5 extending to the outer end of the base 2 through a hand wheel assembling seat. An angle scale is arranged on the adjusting hand wheel 8, a hand wheel angle value 9 is arranged on the circumference of the angle scale, and a hand wheel angle reference needle 10 is arranged on the base bottom plate 1 on one side of the angle scale of the adjusting hand wheel 8; to indicate the angle of rotation of the adjusting handwheel 8 during operation.
A worm wheel 6 (gear ring) is fixedly arranged on the adjusting seat 3 corresponding to the worm 5, and the worm wheel 6 is meshed and connected with the worm 5. An adjusting seat angle value 11 is arranged on the circumference of the adjusting seat 3, and an adjusting seat angle reference needle 12 is arranged on the base 2 below the adjusting seat angle value 11 so as to indicate the rotating angle of the adjusting seat 3 in work.
The workpiece seat 4 is fixedly arranged on the end face of the top of the adjusting seat 3 through a fixing bolt, the workpiece seat 4 is in a shape like a Chinese character 'zhong', locking blocks 13 are fixedly arranged on the adjusting seats 3 at the front end and the rear end of the workpiece seat 4 through fixing bolts, the locking blocks 13 are symmetrically arranged, and the locking blocks 13 are tightly and tightly connected with the workpiece seat 4, so that the workpiece seat 4 is limited and tightly pressed in all directions, and the workpiece seat 4 is fixed at the top of the adjusting seat 3.
The middle part of the workpiece seat 4 is convex. Limiting blocks 14 are symmetrically and fixedly arranged on the top protrusions of the workpiece seat 4 through fixing bolts, the limiting blocks 14 are correspondingly L-shaped, and extrusion blocks 15 are arranged between the limiting blocks 14 through the fixing bolts. The length of the extrusion block 15 is equal to that of the limiting block 14, the section of the extrusion block 15 is rectangular, and the end face of one side of the extrusion block 15 is oblique; the extrusion block 15 is fixedly connected with one of the limit blocks 14 through a fixing bolt. The extrusion block 15 is used for fixing workpieces 16 with different outer diameters through the inclined surface, so that the utilization rate of the limiting block 14 is realized.
When the clamp suitable for the gear grinding processing of racks with various angles is used; through the matching of the extrusion block 15 and the limiting block 14; the workpiece 16 is clamped and fixed on the workpiece seat 4, the worm 5 is driven to rotate through rotation of the adjusting hand wheel 8, the worm wheel 6 is further driven, angle adjustment of the workpiece seat 4 is achieved, fixing after angle adjustment is achieved through self-locking of the worm wheel 6 and the worm 5, and visual display can be achieved through the angle reference needle 10 and the adjusting seat angle reference needle 12 in the angle adjustment process of the workpiece seat 4. Therefore, workpieces 16 (steering gear racks) with different spiral angles can be processed, the problem that when a fixture used by a traditional steering gear rack grinding machine is used for processing a batch of steering gear racks, a pair of fixtures used by a corresponding rack grinding machine needs to be replaced, so that great waste is caused, and the fixture is inconvenient for product model changing and maintenance is solved.
Claims (8)
1. The utility model provides an anchor clamps suitable for processing of multiple angle rack gerar grinding, includes soleplate (1), base (2), adjustment seat (3), work piece seat (4), worm (5) and turbine (6), its characterized in that: a base (2) is fixedly arranged on the foundation bottom plate (1), an adjusting seat (3) is movably arranged in the base (2) through a positioning shaft (7), a worm (5) is arranged in the base (2) on one side of the adjusting seat (3), a turbine (6) is fixedly arranged on the adjusting seat (3) corresponding to the worm (5), and the turbine (6) is meshed with the worm (5); a workpiece seat (4) is fixedly arranged on the top end face of the adjusting seat (3) through a fixing bolt, limiting blocks (14) are fixedly arranged on the top of the workpiece seat (4) through symmetrical shapes of the fixing bolt, and an extrusion block (15) is arranged between the limiting blocks (14) through the fixing bolt.
2. The clamp suitable for the gear grinding processing of the racks with various angles as claimed in claim 1, wherein: one end of the worm (5) extends to the outer end of the base (2), and an adjusting hand wheel (8) is fixedly arranged at the end of the worm (5) extending to the outer end of the base (2).
3. The clamp suitable for the gear grinding processing of the racks with various angles as claimed in claim 2, wherein: an angle scale is arranged on the adjusting hand wheel (8), a hand wheel angle value (9) is arranged on the circumference of the angle scale, and a hand wheel angle reference needle (10) is arranged on the foundation bottom plate (1) on one side of the angle scale of the adjusting hand wheel (8).
4. The clamp suitable for the gear grinding processing of the racks with various angles as claimed in claim 1, wherein: the circumference of the adjusting seat (3) is provided with an adjusting seat angle value (11), and a base below the adjusting seat angle value (11) is provided with an adjusting seat angle reference needle (12).
5. The clamp suitable for the gear grinding processing of the racks with various angles as claimed in claim 1, wherein: the adjusting seats (3) at the front end and the rear end of the workpiece seat (4) are fixedly provided with locking blocks (13) through fixing bolts, the locking blocks (13) are symmetrically arranged, and the locking blocks (13) are tightly and tightly connected with the workpiece seat (4).
6. The clamp suitable for the gear grinding processing of the racks with various angles as claimed in claim 1, wherein: the limiting blocks (14) are L-shaped correspondingly, and the extrusion block (15) is connected with one of the limiting blocks (14) through a fixing bolt.
7. The clamp suitable for the gear grinding processing of the racks with various angles as claimed in claim 6, wherein: the section of the extrusion block (15) is rectangular, and the end face of one side of the extrusion block (15) is oblique.
8. The clamp suitable for the gear grinding processing of the racks with various angles as claimed in claim 5, wherein: the workpiece seat (4) is in a shape of Chinese character 'zhong', and the middle part of the workpiece seat (4) is in a convex shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920858145.3U CN209936044U (en) | 2019-06-10 | 2019-06-10 | Anchor clamps suitable for multiple angle rack gear grinding processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920858145.3U CN209936044U (en) | 2019-06-10 | 2019-06-10 | Anchor clamps suitable for multiple angle rack gear grinding processing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209936044U true CN209936044U (en) | 2020-01-14 |
Family
ID=69135469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920858145.3U Expired - Fee Related CN209936044U (en) | 2019-06-10 | 2019-06-10 | Anchor clamps suitable for multiple angle rack gear grinding processing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209936044U (en) |
-
2019
- 2019-06-10 CN CN201920858145.3U patent/CN209936044U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200114 |