CN111774894B - Device and method for processing and positioning gear shaft - Google Patents
Device and method for processing and positioning gear shaft Download PDFInfo
- Publication number
- CN111774894B CN111774894B CN202010670510.5A CN202010670510A CN111774894B CN 111774894 B CN111774894 B CN 111774894B CN 202010670510 A CN202010670510 A CN 202010670510A CN 111774894 B CN111774894 B CN 111774894B
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- positioning
- gear shaft
- spring
- seat
- guide rod
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 125000006850 spacer group Chemical group 0.000 claims description 7
- 238000003754 machining Methods 0.000 claims description 4
- 230000007547 defect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q2703/00—Work clamping
- B23Q2703/02—Work clamping means
- B23Q2703/10—Devices for clamping workpieces of a particular form or made from a particular material
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear Processing (AREA)
Abstract
The invention provides a device and a method for processing and positioning a gear shaft, comprising a supporting seat, wherein a flange plate is fixedly arranged at the bottom end of the supporting seat, a supporting sleeve is arranged at the center of the flange plate in a supporting manner, a guide rod is arranged at the center of the supporting sleeve in a sliding fit manner, a positioning shaft section is processed at the bottom end of the guide rod, the positioning shaft section is in axial limiting fit with the flange plate and the supporting sleeve through a spring limiting mechanism, a positioning seat is arranged in an upper cavity of the supporting seat, positioning teeth are symmetrically arranged on the supporting sleeve, and the positioning teeth and the guide rod penetrate through the positioning seat. The whole process is simple to operate, convenient to use, high in part positioning accuracy, simple to process and assemble, stable and reliable, and clamping time is saved.
Description
Technical Field
The invention belongs to the technical field of gear machining, and particularly relates to a device and a method for machining and positioning a gear shaft.
Background
When the traditional gear processing machine tool is used for processing a gear shaft, a spring chuck is adopted to clamp a part, and a three-jaw chuck is also adopted to clamp the part manually, so that the biggest defect is that when the spring chuck is adopted to clamp the part, the fixed position on the circumference cannot be ensured when the part is clamped repeatedly, namely the phase requirements of processed teeth and lugs cannot be ensured, and when the three-jaw chuck is adopted to clamp the part manually, besides the phase requirements of the processed teeth and lugs cannot be ensured, the manual clamping cannot ensure the clamping precision of the part, and each clamping needs to be aligned manually, so that the operation is very troublesome.
Disclosure of Invention
In order to solve the technical problems, the invention provides a device and a method for processing and positioning a gear shaft, which overcome the defects that a traditional gear processing machine tool adopts a spring chuck to clamp a part when processing the gear shaft, the fixed position on the circumference can not be ensured when the part is repeatedly clamped, namely the phase requirements of processed teeth and lugs can not be ensured.
In order to achieve the technical characteristics, the aim of the invention is realized in the following way: the utility model provides a device for gear shaft processing location, it includes the supporting seat, supporting seat bottom fixed mounting has the ring flange, the center support of ring flange is installed and is supported the cover, the guide bar is installed through sliding fit in the center of support cover, the bottom processing of guide bar has the location axle section, the location axle section passes through spring stop gear and constitutes axial spacing cooperation with ring flange and support cover, the positioning seat is installed to the upper portion cavity of supporting seat, the symmetry is installed and is fixed a position the tooth on the support cover, location tooth and guide bar all pass the positioning seat.
The spring limiting mechanism comprises a spacer sleeve sleeved on the positioning shaft section, the lower end face of the spacer sleeve is in contact fit with the top end of a second spring sleeved on the positioning shaft section, the bottom end of the second spring is in contact fit with a spring mounting cavity arranged at the center of the flange, and the bottom end of the positioning shaft section penetrates out of the spring mounting cavity and is fixedly provided with a nut at the bottom end of the positioning shaft section.
The outside cover of support cover is equipped with spring one, the bottom of spring one and the top contact cooperation of ring flange, the top of spring one and the lower terminal surface contact cooperation of positioning seat.
The flange plate is fixedly arranged at the bottom end of the supporting seat through a plurality of flange bolts.
The center of the positioning seat is provided with a guide hole for passing through the guide rod, and two sides of the guide hole are symmetrically provided with side holes for passing through positioning teeth; the top of the positioning seat is provided with a groove traversing the guide hole and the side hole.
The end of the positioning tooth is provided with a conical tooth end.
The method for clamping and positioning the gear shaft by the gear shaft processing and positioning device comprises the following steps:
step one: inserting the bottom end of a gear shaft part to be processed into the top of a guide rod, and positioning the gear shaft part on the guide rod through a central hole in an inner hole of the gear shaft part;
Step two: the lugs on the gear shaft parts are positioned on the grooves of the positioning seat, so that the positions of the parts in the circumferential direction are controlled, and circumferential positioning is realized;
Step three: the top end of the gear shaft part is pressed by the upper center, the gear shaft part is pressed down, the lower end face of the lug is pressed on the positioning teeth, and the part is driven to rotate during processing;
step four: after the gear shaft part is machined, the upper center moves upwards, and the gear shaft part is taken out.
The invention has the following beneficial effects:
1. By adopting the positioning device disclosed by the invention, the part is inserted into the guide rod, the central hole in the inner hole of the part is utilized to position the guide rod, the lug on the part is positioned on the groove of the positioning seat to control the position of the part in the circumferential direction, the part presses the lower end surface of the lug on the positioning teeth through the pressing of the upper center to drive the part to rotate during processing, the positioning precision is high, and the installation is convenient and quick.
2. The first spring can achieve the purpose of automatic resetting of the positioning seat. And ensures that the positioning seat can have certain displacement along the axial direction.
3. The positioning seat can be used for reliably positioning the circumferential direction of the gear shaft part through the groove.
4. The guide holes can be used for guiding the guide rods.
Drawings
The invention is further described below with reference to the drawings and examples.
Fig. 1 is a front cross-sectional view of the present invention.
FIG. 2 is a three-dimensional view of the positioning seat of the present invention.
Fig. 3 is a three-dimensional view of a positioning tooth according to the present invention.
FIG. 4 is a three-dimensional view of a gear shaft part of the present invention.
In the figure: the upper center 1, the gear shaft part 2, the guide rod 3, the positioning seat 4, the positioning teeth 5, the supporting seat 6, the supporting sleeve 7, the first spring 8, the spacer 9, the flange plate 10, the second spring 11, the nut 12, the groove 13, the side hole 14, the guide hole 15, the conical tooth end 16, the gear shaft section 17, the central hole 18, the lug 19, the flange bolt 20, the positioning shaft section 21 and the spring installation cavity 22.
Detailed Description
Embodiments of the present invention will be further described with reference to the accompanying drawings.
Example 1:
Referring to fig. 1, a device for processing and positioning a gear shaft comprises a supporting seat 6, a flange plate 10 is fixedly arranged at the bottom end of the supporting seat 6, a supporting sleeve 7 is arranged at the center of the flange plate 10 in a supporting manner, a guide rod 3 is arranged at the center of the supporting sleeve 7 in a sliding fit manner, a positioning shaft section 21 is processed at the bottom end of the guide rod 3, the positioning shaft section 21 and the flange plate 10 and the supporting sleeve 7 form an axial limiting fit through a spring limiting mechanism, a positioning seat 4 is arranged in an upper cavity of the supporting seat 6, positioning teeth 5 are symmetrically arranged on the supporting sleeve 7, and the positioning teeth 5 and the guide rod 3 penetrate through the positioning seat 4. The positioning device with the structure can be used for clamping and positioning the gear shaft part 2 in the gear machine tool machining process, can automatically realize axial and circumferential positioning of the gear shaft part 2, can also realize axial positioning, further ensures repeated positioning precision, has high positioning precision and convenient clamping, reduces the operation requirement, and is simpler to machine and assemble.
In the specific use process, the guide rod 3 can be used for positioning the center hole of the gear shaft part 2 so as to realize axis positioning, and coaxiality is ensured; axial positioning is achieved through the positioning teeth 5, circumferential positioning is achieved through the fact that the positioning teeth are matched with grooves in the positioning seat 4, and positioning accuracy is guaranteed.
Further, the spring limiting mechanism comprises a spacer bush 9 sleeved on the positioning shaft section 21, the lower end face of the spacer bush 9 is in contact fit with the top end of a second spring 11 sleeved on the positioning shaft section 21, the bottom end of the second spring 11 is in contact fit with a spring mounting cavity 22 arranged in the center of the flange plate 10, and the bottom end of the positioning shaft section 21 penetrates out of the spring mounting cavity 22 and is fixed with a nut 12 at the bottom end of the positioning shaft section. The spring limiting mechanism can be used for realizing axial stroke positioning on the guide rod 3, and can ensure that the guide rod is automatically reset, so that the guide rod can have a certain stroke along the axial direction.
In the specific clamping process, the guide rod 3 is pressed through the gear shaft part 2, the guide rod 3 moves downwards along the guide hole 15, and after unloading, the guide rod 3 automatically jacks up and resets under the action of the second spring 11.
Further, a first spring 8 is sleeved outside the supporting sleeve 7, the bottom end of the first spring 8 is in contact fit with the top end of the flange plate 10, and the top end of the first spring 8 is in contact fit with the lower end face of the positioning seat 4. The first spring 8 can achieve the purpose of automatic resetting of the positioning seat 4. And ensures that the positioning seat 4 can have a certain displacement along the axial direction.
Further, the flange plate 10 is fixedly installed at the bottom end of the supporting seat 6 through a plurality of flange bolts 20. Through foretell flange fixed mode, guaranteed the reliability that both fix.
Further, a guide hole 15 for passing through the guide rod 3 is machined in the center of the positioning seat 4, and side holes 14 for passing through the positioning teeth 5 are symmetrically machined on two sides of the guide hole 15; the top of the positioning seat 4 is provided with a groove 13 which traverses the guide hole 15 and the side hole 14. The positioning seat 4 can be used to reliably position the gear shaft part 2 in the circumferential direction through the groove 13. The guide holes 15 can be used for guiding the guide rod 3.
Further, the end of the positioning tooth 5 is provided with a conical tooth end 16. The end face positioning of the lug 19 of the gear shaft part 2 can be performed through the conical tooth end 16, and the axial positioning accuracy is further ensured.
Example 2:
The method for clamping and positioning the gear shaft by the gear shaft processing and positioning device comprises the following steps:
Step one: inserting the bottom end of the gear shaft part 2 to be processed into the top of the guide rod 3, and positioning the bottom end of the gear shaft part 2 on the guide rod 3 through a central hole 18 in an inner hole of the gear shaft part 2;
step two: the lugs 19 on the gear shaft part 2 are positioned on the grooves 13 of the positioning seat 4, so that the position of the part in the circumferential direction is controlled, and the circumferential positioning is realized;
Step three: the top end of the gear shaft part 2 is pressed by the upper center 1, the gear shaft part 2 is pressed down, the lower end face of the lug 19 is pressed on the positioning teeth 5, and the part is driven to rotate during processing;
Step four: after the gear shaft part 2 is machined, the upper center 1 moves upwards, and the gear shaft part 2 is taken out.
Claims (3)
1. A device for gear shaft processing location, its characterized in that: the novel positioning device comprises a supporting seat (6), wherein a flange plate (10) is fixedly arranged at the bottom end of the supporting seat (6), a supporting sleeve (7) is arranged at the center of the flange plate (10) in a supporting manner, a guide rod (3) is arranged at the center of the supporting sleeve (7) in a sliding fit manner, a positioning shaft section (21) is machined at the bottom end of the guide rod (3), the positioning shaft section (21) is in axial limiting fit with the flange plate (10) and the supporting sleeve (7) through a spring limiting mechanism, a positioning seat (4) is arranged in an upper cavity of the supporting seat (6), positioning teeth (5) are symmetrically arranged on the supporting sleeve (7), and the positioning teeth (5) and the guide rod (3) penetrate through the positioning seat (4);
The spring limiting mechanism comprises a spacer bush (9) sleeved on a positioning shaft section (21), the lower end face of the spacer bush (9) is in contact fit with the top end of a second spring (11) sleeved on the positioning shaft section (21), the bottom end of the second spring (11) is in contact fit with a spring mounting cavity (22) arranged in the central position of the flange plate (10), and the bottom end of the positioning shaft section (21) penetrates out of the spring mounting cavity (22) and is fixedly provided with a nut (12) at the bottom end of the positioning shaft section;
The outer part of the supporting sleeve (7) is sleeved with a first spring (8), the bottom end of the first spring (8) is in contact fit with the top end of the flange plate (10), and the top end of the first spring (8) is in contact fit with the lower end face of the positioning seat (4);
A guide hole (15) for passing through the guide rod (3) is formed in the center of the positioning seat (4), and side holes (14) for passing through the positioning teeth (5) are symmetrically formed in two sides of the guide hole (15); a groove (13) traversing the guide hole (15) and the side hole (14) is formed in the top of the positioning seat (4);
The end of the positioning tooth (5) is provided with a conical tooth end (16).
2. The device for machining and positioning of a gear shaft according to claim 1, wherein: the flange plate (10) is fixedly arranged at the bottom end of the supporting seat (6) through a plurality of flange bolts (20).
3. A method for clamping and positioning a gear shaft by adopting the gear shaft processing and positioning device as claimed in any one of claims 1-2, which is characterized by comprising the following steps:
Step one: the bottom end of a gear shaft part (2) to be processed is inserted into the top of a guide rod (3), and is positioned on the guide rod (3) through a central hole (18) in an inner hole of the gear shaft part (2);
Step two: the lugs (19) on the gear shaft part (2) are positioned on the grooves (13) of the positioning seat (4), so that the position of the part in the circumferential direction is controlled, and the circumferential positioning is realized;
Step three: the top end of the gear shaft part (2) is pressed by the upper center (1), the gear shaft part (2) is pressed down, the lower end face of the lug (19) is pressed on the positioning teeth (5), and the part is driven to rotate during processing;
step four: after the gear shaft part (2) is machined, the upper center (1) moves upwards, and the gear shaft part (2) is taken out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010670510.5A CN111774894B (en) | 2020-07-13 | 2020-07-13 | Device and method for processing and positioning gear shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010670510.5A CN111774894B (en) | 2020-07-13 | 2020-07-13 | Device and method for processing and positioning gear shaft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111774894A CN111774894A (en) | 2020-10-16 |
| CN111774894B true CN111774894B (en) | 2024-07-09 |
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ID=72767629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010670510.5A Active CN111774894B (en) | 2020-07-13 | 2020-07-13 | Device and method for processing and positioning gear shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111774894B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212444167U (en) * | 2020-07-13 | 2021-02-02 | 宜昌长机科技有限责任公司 | Device for machining and positioning gear shaft |
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| JPH1158168A (en) * | 1997-08-22 | 1999-03-02 | Komatsu Koki Kk | Phase positioning method of camshaft working machine and phase positioning device |
| DE10059116A1 (en) * | 2000-11-28 | 2002-06-06 | Reishauer Ag | Device for driving toothed workpieces on the face |
| CN104175144B (en) * | 2014-07-22 | 2017-10-20 | 浙江吉利控股集团有限公司 | Axle type gear fixture and axle type gear machining tool |
| CN204430809U (en) * | 2014-12-16 | 2015-07-01 | 重庆市星极齿轮有限责任公司 | Gear shaft fixture |
| CN204818758U (en) * | 2015-06-30 | 2015-12-02 | 冈本工机（常州）有限公司 | Processing frock of roller gear axle |
| CN106825630B (en) * | 2015-12-04 | 2018-07-13 | 温岭市明华齿轮有限公司 | The top fixture of conic section driving |
| CN206854781U (en) * | 2017-07-07 | 2018-01-09 | 唐山通力齿轮有限公司 | A kind of gear shaft gear shaping positioning, clamp special tooling |
| CN207746500U (en) * | 2017-10-19 | 2018-08-21 | 江苏沃得农业机械配件制造有限公司 | Gear-hobbing clamp for processing shaft gear |
| CN207415196U (en) * | 2017-11-07 | 2018-05-29 | 东风格特拉克汽车变速箱有限公司 | A kind of new gearbox gear wheel shaft assembling positioner |
| CN208825566U (en) * | 2018-10-15 | 2019-05-07 | 西安东龙精密工具有限公司 | A kind of working shaft-like part is top with end drive |
| CN210208939U (en) * | 2019-08-06 | 2020-03-31 | 唐山通力齿轮有限公司 | Hobbing clamp for small-modulus gear shaft |
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2020
- 2020-07-13 CN CN202010670510.5A patent/CN111774894B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212444167U (en) * | 2020-07-13 | 2021-02-02 | 宜昌长机科技有限责任公司 | Device for machining and positioning gear shaft |
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| CN111774894A (en) | 2020-10-16 |
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