CN202845959U - Automobile transmission input shaft hobbing tool - Google Patents
Automobile transmission input shaft hobbing tool Download PDFInfo
- Publication number
- CN202845959U CN202845959U CN 201220530608 CN201220530608U CN202845959U CN 202845959 U CN202845959 U CN 202845959U CN 201220530608 CN201220530608 CN 201220530608 CN 201220530608 U CN201220530608 U CN 201220530608U CN 202845959 U CN202845959 U CN 202845959U
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- Prior art keywords
- pull bar
- base
- spring housing
- spring
- centre bore
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- 230000005540 biological transmission Effects 0.000 title abstract description 4
- 230000000670 limiting effect Effects 0.000 claims abstract description 9
- 230000002950 deficient Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses an automobile transmission input shaft hobbing tool which comprises a location seat, a connection seat and a base, wherein the location seat, the connection seat and the base are sequentially arranged from top to bottom. A spring sleeve is installed inside a central hole of the connection seat. The spring sleeve is limited axially through a first set screw, and the lower portion of the spring sleeve extends into a central hole of the base and a round cavity of the upper portion of a pulling rod. The upper portion of the pulling rod is arranged inside the central hole of the base, and an axial line of the pulling rod coincides with a central line of the base. A tip is installed inside a central hole of the spring sleeve. A ring-shaped limiting boss is arranged at the lower end of an outer circle face of the tip. The limiting boss is arranged inside the round cavity of the upper portion of the pulling rod. A spring is arranged between the lower end face of the tip and the bottom of the round cavity of the pulling rod. As the tip is used for carrying out center location of work-pieces, the automobile transmission input shaft hobbing tool has the advantages of preventing eccentricity well, further preventing machined gears from being eccentric, well overcoming the shortcoming of an existing clamp, and being high in location precision, convenient to clamp and the like.
Description
Technical field
The utility model belongs to the gear hobbing tooling field, specifically, relates to a kind of gear hobbing tooling for processing automobile gearbox power shaft.
Background technology
Power shaft is one of vitals of automobile gearbox, and the spline tooth of this power shaft end links to each other with the output of engine, so as with the transmission of power of engine output in gearbox.Usually process at present the gear of power shaft end by gear-hobbing machine, power shaft (hereinafter to be referred as the workpiece) bottom that to treat gear hobbing during gear hobbing is inserted in the centre bore of gear hobbing tooling positioning seat and Connection Block, the end face close contact of the lower surface in power shaft upper stage stage and gear hobbing tooling positioning seat, end face edge at positioning seat is circumferentially with the zigzag opening, and positioning seat carries out the end face location by frictional force to workpiece.
In process, positioning accuracy was not high when we found existing gear-hobbing clamp clamping workpiece, and workpiece is prone to eccentric situation, and off-centre appears in the gear that will cause like this processing, and was badly in need of solving the problems of the technologies described above for this reason.
The utility model content
The automobile gearbox power shaft gear hobbing tooling that provides a kind of positioning accuracy high is provided technical problem to be solved in the utility model.
The technical solution of the utility model is as follows: a kind of automobile gearbox power shaft gear hobbing tooling, comprise the positioning seat (1), Connection Block (2) and the base (3) that set gradually from top to bottom, this three's center line is on the same straight line, and adjacent both are fixed together by screw; Spring housing (4) is housed in the centre bore of described Connection Block (2), this spring housing is by the first holding screw (5) axial limiting that radially is located on the Connection Block (2), and the bottom of spring housing (4) reaches in the centre bore of described base (3), and stretch in the circular cavity (6a) on pull bar (6) top, and this stretches into section and pull bar (6) is threaded connection; The top of described pull bar (6) is positioned at the centre bore of base (3), and the central lines of the axial line of pull bar (6) and base (3), it is characterized in that: be equipped with in the centre bore of described spring housing (4) top (7), the central lines of the axial line of these top (7) and spring housing (4), and top (7) are slidingly matched with spring housing (4);
Be provided with the positive stop lug boss (7a) of annular in the lower end of described top (7) periphery, this positive stop lug boss (7a) is positioned at the circular cavity (6a) on described pull bar (6) top, and positive stop lug boss (7a) is by the lower surface axial limiting of described spring housing (4), and is provided with spring (8) between circular cavity (6a) bottom of the lower surface of top (7) and pull bar (6).
The utility model is on the basis of existing structure, be equipped with in the centre bore of described spring housing (4) top (7), the central lines of the axial line of these top (7) and spring housing (4), and top (7) are slidingly matched with spring housing (4); Be provided with the positive stop lug boss (7a) of annular in the lower end of described top (7) periphery, this positive stop lug boss (7a) is positioned at the circular cavity (6a) on described pull bar (6) top, and positive stop lug boss (7a) is by the lower surface axial limiting of described spring housing (4), and is provided with spring (8) between circular cavity (6a) bottom of the lower surface of top (7) and pull bar (6).
Come clamping workpiece G by above-mentioned anchor clamps, these anchor clamps advance the capable centralized positioning of G by top (7) to workpiece, and are fully different from the end face locate mode of existing anchor clamps, and positioning accuracy is very high.After finishing processing, upper top on the gear grinding machines that come loose, this moment, workpiece G popped up under the elastic force effect of described spring (8), thus the handled easily workman unloads workpiece G.
Adopt above technical scheme, the utility model advances the capable centralized positioning of G by top (7) to workpiece, so just can prevent well by off-centre occurs, thereby guarantee that eccentric situation appears in the gear of avoiding processing, overcome well the defective of existing anchor clamps, has the positioning accuracy height, the advantages such as convenient mounting and clamping.
As preferably, the lower surface of described spring housing (4) has holding tank, and circular cavity (6a) bottom of described pull bar (6) is to having storage tank by holding tank; The upper end of described spring (8) reaches in the holding tank of spring housing (4) lower surface, and the lower end of this spring (8) reaches in the storage tank of described pull bar circular cavity bottom.
The periphery on described pull bar (6) top has limit turn trough (6b) vertically, and the inner of the second holding screw (9) is stretched in this limit turn trough (6b), and the second holding screw (9) radially is located on the described base (3); The bottom of described pull bar (6) is thread segment, and the diameter of this thread segment is less than the diameter on pull bar (6) top, and this thread segment reaches outside the centre bore of described base (3).
In above structure, described the second holding screw (9) carries out circumferentially spacing to pull bar (6), prevents that pull bar (6) from rotating, and the thread segment of pull bar (6) bottom is convenient to link to each other with drawing cylinder on the gear hobbing machine worktable.
For the ease of making, described positive stop lug boss (7a) is wholely set on top (7).
Beneficial effect: the utility model advances the capable centralized positioning of G by top (7) to workpiece, so just can prevent well by off-centre occurs, thereby guarantee that eccentric situation appears in the gear of avoiding processing, overcome well the defective of existing anchor clamps, has the positioning accuracy height, the advantages such as convenient mounting and clamping.
Description of drawings
Fig. 1 is the installation diagram of this frock.
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and Examples:
As shown in Figure 1, this frock mainly is made of positioning seat 1, Connection Block 2, base 3, spring housing 4, the first holding screw 5, pull bar 6, top 7, spring 8 and the second holding screw 9, wherein positioning seat 1, Connection Block 2 and base 3 are rotary structure, this three sets gradually from top to bottom, and this three's center line is on the same straight line.The end face of described positioning seat 1 is the plane, the equal diameters on the diameter of this positioning seat 1 bottom and Connection Block 2 tops, and the top of the bottom of positioning seat 1 and Connection Block 2 is fixed together by screw (unmarked among the figure).The diameter of described Connection Block 2 bottoms and the equal diameters on base 3 tops, and the top of the bottom of Connection Block 2 and base 3 is fixed together by screw (unmarked among the figure), and the bottom of base 3 links to each other with the workbench of gear-hobbing machine by screw (unmarked among the figure).
As can be seen from Figure 1, spring housing 4 is housed in the centre bore of described Connection Block 2, the central lines of the center line of this spring housing 4 and Connection Block 2, and the top of spring housing 4 is up big and down small tapered expansion nested structure.Described spring housing 4 is by the first holding screw 5 axial limitings, and this first holding screw 5 radially is located in the bottom of Connection Block 2.
The bottom of described spring housing 4 reaches in the centre bore of base 3, and stretches in the circular cavity 6a on pull bar 6 tops, and this internal thread that stretches on section and the circular cavity 6a sidewall links together, thereby spring housing 4 and pull bar 6 are threaded togather.
As can be seen from Figure 1, the top of described pull bar 6 is positioned at the centre bore of base 3, and the central lines of the axial line of pull bar 6 and base 3.The periphery on described pull bar 6 tops has limit turn trough 6b vertically, and the inner of the second holding screw 9 is stretched in this limit turn trough 6b, and the second holding screw 9 radially is located on the described base 3.The bottom of described pull bar 6 is thread segment, and the diameter of this thread segment is less than the diameter on pull bar 6 tops, and this thread segment reaches outside the centre bore of described base 3.
Also can find out at last from Fig. 1, as inventive point of the present utility model, special in the centre bore of described spring housing 4, be equipped with top 7, the central lines of this axial line of top 7 and spring housing 4, top 7 tapered portion up, and top 7 and spring housing 4 be slidingly matched.Be integrally formed with the positive stop lug boss 7a of annular in the lower end of described top 7 peripheries, this positive stop lug boss 7a is positioned at the circular cavity 6a on described pull bar 6 tops, and positive stop lug boss 7a is by the lower surface axial limiting of described spring housing 4.
Between the circular cavity 6a bottom of described top 7 lower surface and pull bar 6, be provided with spring 8.As preferably, the lower surface of described spring housing 4 has holding tank (unmarked among the figure), and the circular cavity 6a bottom of described pull bar 6 is to having storage tank (unmarked among the figure) by holding tank.The upper end of described spring 8 reaches in the holding tank of spring housing 4 lower surfaces, and the lower end of this spring 8 reaches in the storage tank of described pull bar circular cavity bottom, and all the other structures of the present utility model and existing structure are identical, do not do at this and give unnecessary details.
The above only is preferred embodiment of the present utility model; not take the utility model as restriction; all any modifications of within spirit of the present utility model and principle, doing, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (4)
1. automobile gearbox power shaft gear hobbing tooling, comprise the positioning seat (1), Connection Block (2) and the base (3) that set gradually from top to bottom, this three's center line is on the same straight line, and adjacent both are fixed together by screw; Spring housing (4) is housed in the centre bore of described Connection Block (2), this spring housing is by the first holding screw (5) axial limiting that radially is located on the Connection Block (2), and the bottom of spring housing (4) reaches in the centre bore of described base (3), and stretch in the circular cavity (6a) on pull bar (6) top, and this stretches into section and pull bar (6) is threaded connection; The top of described pull bar (6) is positioned at the centre bore of base (3), and the central lines of the axial line of pull bar (6) and base (3), it is characterized in that: be equipped with in the centre bore of described spring housing (4) top (7), the central lines of the axial line of these top (7) and spring housing (4), and top (7) are slidingly matched with spring housing (4);
Be provided with the positive stop lug boss (7a) of annular in the lower end of described top (7) periphery, this positive stop lug boss (7a) is positioned at the circular cavity (6a) on described pull bar (6) top, and positive stop lug boss (7a) is by the lower surface axial limiting of described spring housing (4), and is provided with spring (8) between circular cavity (6a) bottom of the lower surface of top (7) and pull bar (6).
2. automobile gearbox power shaft gear hobbing tooling according to claim 1, it is characterized in that: the lower surface of described spring housing (4) has holding tank, and circular cavity (6a) bottom of described pull bar (6) is to having storage tank by holding tank; The upper end of described spring (8) reaches in the holding tank of spring housing (4) lower surface, and the lower end of this spring (8) reaches in the storage tank of described pull bar circular cavity bottom.
3. automobile gearbox power shaft gear hobbing tooling according to claim 1 and 2, it is characterized in that: the periphery on described pull bar (6) top has limit turn trough (6b) vertically, the inner of the second holding screw (9) is stretched in this limit turn trough (6b), and the second holding screw (9) radially is located on the described base (3); The bottom of described pull bar (6) is thread segment, and the diameter of this thread segment is less than the diameter on pull bar (6) top, and this thread segment reaches outside the centre bore of described base (3).
4. automobile gearbox power shaft gear hobbing tooling according to claim 3, it is characterized in that: described positive stop lug boss (7a) is wholely set on top (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220530608 CN202845959U (en) | 2012-10-17 | 2012-10-17 | Automobile transmission input shaft hobbing tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220530608 CN202845959U (en) | 2012-10-17 | 2012-10-17 | Automobile transmission input shaft hobbing tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202845959U true CN202845959U (en) | 2013-04-03 |
Family
ID=47977195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220530608 Expired - Fee Related CN202845959U (en) | 2012-10-17 | 2012-10-17 | Automobile transmission input shaft hobbing tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202845959U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103639536A (en) * | 2013-11-19 | 2014-03-19 | 重庆市星极齿轮有限责任公司 | Hobbing tool for machining transmission shaft of automatic transmission |
| CN114054857A (en) * | 2020-07-30 | 2022-02-18 | 湖南飞阳齿轮制造有限责任公司 | A gear hobbing machine for helical gear processing and its processing method |
| CN114227331A (en) * | 2021-12-15 | 2022-03-25 | 广州市锐美汽车零部件有限公司 | Axle finish machining anchor clamps and axle machine tool |
-
2012
- 2012-10-17 CN CN 201220530608 patent/CN202845959U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103639536A (en) * | 2013-11-19 | 2014-03-19 | 重庆市星极齿轮有限责任公司 | Hobbing tool for machining transmission shaft of automatic transmission |
| CN103639536B (en) * | 2013-11-19 | 2015-11-18 | 重庆市星极齿轮有限责任公司 | A kind of gear hobbing tooling for processing automatic transmission power transmission shaft |
| CN114054857A (en) * | 2020-07-30 | 2022-02-18 | 湖南飞阳齿轮制造有限责任公司 | A gear hobbing machine for helical gear processing and its processing method |
| CN114227331A (en) * | 2021-12-15 | 2022-03-25 | 广州市锐美汽车零部件有限公司 | Axle finish machining anchor clamps and axle machine tool |
| CN114227331B (en) * | 2021-12-15 | 2024-03-15 | 广州市锐美汽车零部件有限公司 | Shaft finish machining fixture and shaft machining machine tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130403 Termination date: 20151017 |
|
| EXPY | Termination of patent right or utility model |