CN112372088B - High-precision hobbing clamp - Google Patents
High-precision hobbing clamp Download PDFInfo
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- CN112372088B CN112372088B CN202011380376.1A CN202011380376A CN112372088B CN 112372088 B CN112372088 B CN 112372088B CN 202011380376 A CN202011380376 A CN 202011380376A CN 112372088 B CN112372088 B CN 112372088B
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- gland
- sleeve
- floating
- positioning seat
- high precision
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23F—MAKING GEARS OR TOOTHED RACKS
- B23F23/00—Accessories or equipment combined with or arranged in, or specially designed to form part of, gear-cutting machines
- B23F23/02—Loading, unloading or chucking arrangements for workpieces
- B23F23/06—Chucking arrangements
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear Processing (AREA)
Abstract
The invention relates to the field of clamps, in particular to a high-precision hobbing clamp which comprises a supporting seat, a floating gland, a sleeve, a limiting block, a positioning seat and a power mechanism, wherein the power mechanism can drive the positioning seat to move, the sleeve is fixedly connected with the positioning seat, the limiting block and the upper end of the floating gland are arranged in the sleeve, a ball body is arranged between the central position of the limiting block and the central position of the positioning seat, between the edge position of the limiting block and the edge position of the floating gland, gaps are reserved between the floating gland and the limiting block and between the floating gland and the inner side wall of the sleeve, and the floating gland can be contacted with the inner side wall of the sleeve when inclined. When the technical scheme is adopted, the positioning precision of the hobbing clamp can be improved, and the gear machining quality is improved.
Description
Technical Field
The invention relates to the field of clamps, in particular to a high-precision hobbing clamp.
Background
The existing gear hobbing clamp mainly comprises a base, a pressing block and a power mechanism, wherein a workpiece is placed on the base, and the power mechanism drives the pressing block to compress the workpiece so as to perform gear hobbing on the workpiece.
But when current briquetting down pressed the work piece, when the surface unevenness of work piece was not good, or unevenness, or when inclining, the briquetting of traditional gear hobbing anchor clamps can be around the tie point swing with power unit, and radial movement can take place for the briquetting to lead to the briquetting to apply for the radial power of work piece, not only can cause the work piece to take place deformation, still can influence the gear hobbing precision of work piece because the centre gripping effect is not good, finally influence the quality of production gear.
Disclosure of Invention
The invention aims to provide a clamp which is beneficial to improving the hobbing quality.
In order to achieve the purpose, the technical scheme of the invention provides a high-precision hobbing clamp which comprises a supporting seat, a floating gland, a sleeve, a limiting block, a positioning seat and a power mechanism, wherein the power mechanism can drive the positioning seat to move, the sleeve is fixedly connected with the positioning seat, the limiting block and the upper end of the floating gland are arranged in the sleeve, a ball body is arranged between the central position of the limiting block and the central position of the positioning seat, and between the edge position of the limiting block and the edge position of the floating gland, gaps are reserved between the floating gland and the limiting block and between the floating gland and the inner side wall of the sleeve, and the floating gland can be contacted with the inner side wall of the sleeve when inclined.
The technical effect of the scheme is as follows: after the workpiece is placed on the supporting seat, the positioning seat is driven to move through the power mechanism, so that the sleeve, the limiting block and the floating gland are driven to move.
When the positioning seat moves, positive pressure is evenly transmitted to the limiting block through the sphere between the central position of the limiting block and the central position of the positioning seat, then the limiting block transmits the positive pressure to the floating gland through the sphere between the edge position of the limiting block and the edge position of the floating gland, and the floating gland transmits the positive pressure to a workpiece.
When the surface of the workpiece is not good in unevenness, or is not flat or inclined, the surface of the workpiece is compensated by rolling of the ball body in the process that the positioning seat is pressed downwards, so that the floating gland cannot be radially deflected, the workpiece cannot be deformed, the tooth tolerance of gear machining cannot be influenced, and meanwhile, the pressure transmitted to the limiting block by the positioning seat is uniformly transmitted to the floating gland through the ball body between the positioning block and the floating gland, so that the surface of the workpiece is uniformly stressed, and the workpiece cannot be deformed; moreover, as the pressure of the positioning seat is uniformly transmitted to the floating gland, the pressure of the floating gland on the workpiece is more balanced, the workpiece can be uniformly clamped in all directions, and the precision of the workpiece in the gear hobbing process is improved; in addition, when the spheroid rolls the unevenness that compensates the work piece surface, the gland that floats can take place to incline, and when the gland slope of floating contacted with the inside wall of sleeve, the sleeve can produce the sound for the in-process that the gland moved that floats to the realization is not good to the surface unevenness, or the detection of the work piece of slope, and the staff can be based on the sound and choose the work piece that has the flaw.
Furthermore, the center position of stopper and the center position of positioning seat all are equipped with V type groove, and the border position of stopper also is equipped with V type groove, and the spheroid is located V type inslot. The technical effect of the scheme is as follows: is beneficial to improving the stability of the ball body and facilitating the rolling of the ball body.
Furthermore, a spring for supporting the floating gland is arranged in the sleeve. The technical effect of the scheme is as follows: the effect of spring prevents on the one hand that floating gland, little steel ball, stopper and big steel ball fall down when the positioning seat up, prevents that floating gland, little steel ball, stopper and big steel ball from breaking away, lets floating gland, little steel ball, stopper and big steel ball keep the correct mounted state always, and on the other hand is favorable to prolonging the distance that the sleeve removed for floating the gland.
Further, still include the base, base and supporting seat fixed connection. The technical effect of the scheme is as follows: the height of the supporting seat is improved, and the workpiece can be placed manually.
Furthermore, the cross section of the supporting seat is in a cross shape. The technical effect of the scheme is as follows: the connection strength between the supporting seat and the base is improved, and meanwhile, the stability of the workpiece is improved.
Furthermore, the diameter of the ball body between the limiting block and the positioning seat is larger than that between the limiting block and the floating gland. The technical effect of the scheme is as follows: the moment transmission and the unevenness compensation of the ball are convenient.
Furthermore, gaps are reserved between the limiting blocks and the inner side walls of the positioning seats and the inner side walls of the sleeves. The technical effect of the scheme is as follows: the limiting block can be inclined conveniently.
Furthermore, a cavity is arranged in the floating gland, and the upper end of the cavity is conical. The technical effect of the scheme is as follows: the floating gland has the advantages that the material is saved, the weight of the floating gland is reduced, and meanwhile, the pressure resistance of the floating gland is improved.
Further, the sleeve is made of steel, the limiting block and the upper end of the floating gland are sleeved with rubber, and a gap is reserved between the rubber and the sleeve. The technical effect of the scheme is as follows: ensuring that the sound is more obvious when the sound is detected.
Furthermore, the cross section of the positioning seat is in a shape like a Chinese character 'tu', a sleeve is welded on the power mechanism, and the upper end of the positioning seat is inserted into the sleeve and fixedly connected with the sleeve. The technical effect of the scheme is as follows: the firmness of the connection between the positioning seat and the power mechanism is improved.
Drawings
FIG. 1 is a front cross-sectional view of an embodiment of the present invention.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the floating press cover comprises a floating press cover 1, a spring 2, a sleeve 3, a small steel ball 4, a limiting block 5, a large steel ball 6, a positioning seat 7, a workpiece 8, a supporting seat 9, a base 10 and a sleeve 11.
The first embodiment is as follows:
an embodiment substantially as shown in figure 1: the high-precision hobbing clamp shown in fig. 1 sequentially comprises a base 10, a supporting seat 9, a floating gland 1, a sleeve 3, a limiting block 5, a positioning seat 7 and a power mechanism from bottom to top, wherein the supporting seat 9, the floating gland 1, the sleeve 3, the limiting block 5 and the positioning seat 7 are made of iron and are circular. The base 10 is fixedly connected with the ground through bolts, and the base 10 is also fixedly connected with the supporting seat 9 through bolts; the cross section of the supporting seat 9 is in a cross shape.
The actuating unit can select pneumatic cylinder or cylinder, and the SC series pneumatic cylinder of preferred selection in this embodiment, and the pneumatic cylinder passes through the bolt fastening on frame or ceiling, and the output shaft and the positioning seat 7 fixed connection of pneumatic cylinder, sleeve 3 and positioning seat 7 fixed connection, fixed connection can select bolted connection or welding.
The upper ends of the limiting block 5 and the floating gland 1 are arranged in the sleeve 3, the limiting block 5 is positioned between the positioning seat 7 and the floating gland 1, V-shaped grooves are formed in the center position of the limiting block 5 and the center position of the positioning seat 7, a plurality of V-shaped grooves are formed in the edge position of the limiting block 5, a ball body is placed in each V-shaped groove, and the ball body is a steel ball in the embodiment; the diameter of the ball between the limiting block 5 and the positioning seat 7 is larger than that of the ball between the limiting block 5 and the floating gland 1, so that the steel ball between the limiting block 5 and the floating gland 1 is named as a small steel ball 4, and the steel ball between the limiting block 5 and the positioning seat 7 is named as a large steel ball 6.
Gaps are reserved between the floating gland 1 and the limiting block 5 and between the floating gland 1 and the inner side wall of the sleeve 3, and the edge of the floating gland 1 can be in contact with the inner side wall of the sleeve 3 when the floating gland 1 inclines. The bottom welding of sleeve 3 has spring 2, and the upper end of spring 2 and the welding of gland 1 that floats, spring 2 are used for supporting gland 1 that floats, and under the state that gland 1 pressed spring 2 naturally that floats, there was sufficient clearance between gland 1 and the stopper 5 that floats.
The specific implementation process is as follows:
after a workpiece 8 is placed on the supporting seat 9, the hydraulic cylinder is manually started and drives the positioning seat 7 to move downwards through the hydraulic cylinder, so that the sleeve 3, the limiting block 5 and the floating gland 1 are driven to move downwards, when the lower end of the floating gland 1 is in contact with the upper surface of the workpiece 8, the floating gland 1 is kept static, and the positioning seat 7 and the sleeve 3 move downwards relative to the floating gland 1.
When the positioning seat 7 moves downwards, positive pressure is uniformly transmitted to the limiting block 5 through the large steel ball 6, then the limiting block 5 transmits the positive pressure to the floating gland 1 through the small steel ball 4, and the floating gland 1 transmits the positive pressure to the workpiece 8, so that the workpiece 8 is uniformly stressed.
When the unevenness of work piece 8's upper surface is not good, or unevenness, or during the slope, utilize V type location principle at the in-process that positioning seat 7 pushed down, roll through big steel ball 6 and little steel ball 4 and compensate, just so can not make gland 1 that floats produce radial skew, thereby make gland 1 that floats give work piece 8 with positive pressure transmission again, can not cause work piece 8 to take place deformation, and can not influence gear machining's tooth to the tolerance simultaneously, positioning seat 7 transmits the pressure to stopper 5 and evenly transmits to gland 1 that floats through big steel ball 6, so the upper surface atress of work piece 8 is even, can not cause work piece 8 to take place deformation yet.
And because the pressure of positioning seat 7 evenly transmits to floating gland 1, floating gland 1 is more balanced to the pressure of work piece 8, can realize evenly pressing from both sides tight to work piece 8 omnidirectional, is favorable to improving the precision of work piece 8 in the gear hobbing process.
In addition, when the large steel ball 6 and the small steel ball 4 roll to compensate the unevenness of the upper surface of the workpiece 8, the floating gland 1 can incline, the edge of the floating gland 1 is in contact with the inner side wall of the sleeve 3 when the floating gland 1 inclines, and the sleeve 3 can rub or scrape to generate sound in the process of moving downwards relative to the floating gland 1, so that a worker is reminded to pick out the workpiece 8 with flaws, and the detection of the workpiece 8 with bad surface unevenness, unevenness or inclination is realized.
Example two:
on the basis of the first embodiment, gaps are also reserved between the limiting block 5 and the positioning seat 7 and between the limiting block 5 and the inner side wall of the sleeve 3. Sleeve 3 is made by the steel in this embodiment, and stopper 5 and the upper end of gland 1 that floats all overlap there is rubber, also leaves the clearance between rubber and the sleeve 3, and rubber is more obvious with sleeve 3 contact back friction sound. The floating gland 1 is internally provided with a cavity, and the upper end of the cavity is conical.
The cross section of the positioning seat 7 is in a shape like a Chinese character 'tu', a sleeve 11 is welded on an output shaft of the hydraulic cylinder, and the upper end of the positioning seat 7 is fixedly connected with the sleeve 11 through a bolt after being inserted into the sleeve.
The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.
Claims (10)
1. The utility model provides a high accuracy gear hobbing anchor clamps which characterized in that: including a supporting seat, the gland floats, the sleeve, the stopper, positioning seat and power unit, power unit can drive the positioning seat and remove, sleeve and positioning seat fixed connection, the upper end of stopper and the gland that floats sets up in the sleeve, between the central point of stopper puts and the central point of positioning seat put, and be provided with the spheroid between the marginal point of stopper and the marginal point of floating the gland, between floating the gland and the stopper, and all leave the clearance between floating the gland and the telescopic inside wall, can contact with telescopic inside wall when floating the gland slopes.
2. A high precision hobbing fixture as claimed in claim 1, characterized in that: the center position of stopper and the center position of positioning seat all are equipped with V type groove, and the border position of stopper also is equipped with V type groove, and the spheroid is located V type inslot.
3. A high precision hobbing clamp as claimed in claim 2, characterized in that: a spring for supporting the floating gland is arranged in the sleeve.
4. A high precision hobbing clamp as claimed in claim 3, characterized in that: still include the base, base and supporting seat fixed connection.
5. A high precision hobbing clamp as claimed in claim 4, characterized in that: the cross section of the supporting seat is in a cross shape.
6. A high precision hobbing clamp as claimed in claim 5, characterized in that: the diameter of the ball body between the limiting block and the positioning seat is larger than that between the limiting block and the floating gland.
7. A high precision hobbing clamp as claimed in claim 6, characterized in that: gaps are also reserved between the limiting blocks and the inner side walls of the positioning seats and the sleeves.
8. A high precision hobbing clamp as claimed in claim 7, characterized in that: the inside of the floating gland is provided with a cavity, and the upper end of the cavity is conical.
9. A high precision hobbing clamp as claimed in claim 8, characterized in that: the sleeve is made of steel, the upper ends of the limiting blocks and the floating gland are sleeved with rubber, and a gap is reserved between the rubber and the sleeve.
10. A high precision hobbing clamp as claimed in claim 9, characterized in that: the cross section of the positioning seat is in a shape like a Chinese character 'tu', a sleeve is welded on the power mechanism, and the upper end of the positioning seat is inserted into the sleeve and fixedly connected with the sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011380376.1A CN112372088B (en) | 2020-11-30 | 2020-11-30 | High-precision hobbing clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011380376.1A CN112372088B (en) | 2020-11-30 | 2020-11-30 | High-precision hobbing clamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112372088A CN112372088A (en) | 2021-02-19 |
| CN112372088B true CN112372088B (en) | 2022-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011380376.1A Active CN112372088B (en) | 2020-11-30 | 2020-11-30 | High-precision hobbing clamp |
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| Country | Link |
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| CN (1) | CN112372088B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207508734U (en) * | 2017-11-03 | 2018-06-19 | 东莞领杰金属精密制造科技有限公司 | A kind of floating type autobalance briquette structure for clamp tool |
| CN111618634A (en) * | 2020-06-30 | 2020-09-04 | 浙江佛尔泰智能设备有限公司 | Automatic telescopic pressing mechanism with inner hole self-centering function |
| CN211805014U (en) * | 2019-12-30 | 2020-10-30 | 新乡日升数控轴承装备股份有限公司 | Clamp for clamping square bearing seat |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0634489A (en) * | 1992-07-14 | 1994-02-08 | Osaka Seimitsu Kikai Kk | Ball master gear |
| DE102009005189A1 (en) * | 2009-01-20 | 2010-07-22 | Liebherr-Verzahntechnik Gmbh | Clamping device for retaining work pieces, has bearing including bearing part with bearing plane and another bearing part with another bearing plane that is partially pivotable to former bearing plane |
| CN201618893U (en) * | 2009-12-01 | 2010-11-03 | 国营长空精密机械制造公司 | Lathe jig for improving symmetry of large-gear deformed slot relative to inner hole |
| CN203636122U (en) * | 2013-11-29 | 2014-06-11 | 无锡威孚中意齿轮有限责任公司 | End-face drive roller gear fixture |
| CN104439546A (en) * | 2014-11-17 | 2015-03-25 | 江苏太平洋精锻科技股份有限公司 | Axial floating positioning mandrel clamp |
| CN205464623U (en) * | 2016-01-11 | 2016-08-17 | 重庆众青齿轮有限公司 | A set gear hobbing clamp soon remodels |
| CN206316484U (en) * | 2016-12-26 | 2017-07-11 | 无锡威孚中意齿轮有限责任公司 | End face drives small tooth axle gear grinding clamp |
| CN209902699U (en) * | 2019-03-12 | 2020-01-07 | 大连创新齿轮箱制造有限公司 | Floating assembly clamp |
| CN210615393U (en) * | 2019-09-27 | 2020-05-26 | 常州长江齿轮有限公司 | Clamp for gear floating shaving |
-
2020
- 2020-11-30 CN CN202011380376.1A patent/CN112372088B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207508734U (en) * | 2017-11-03 | 2018-06-19 | 东莞领杰金属精密制造科技有限公司 | A kind of floating type autobalance briquette structure for clamp tool |
| CN211805014U (en) * | 2019-12-30 | 2020-10-30 | 新乡日升数控轴承装备股份有限公司 | Clamp for clamping square bearing seat |
| CN111618634A (en) * | 2020-06-30 | 2020-09-04 | 浙江佛尔泰智能设备有限公司 | Automatic telescopic pressing mechanism with inner hole self-centering function |
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| CN112372088A (en) | 2021-02-19 |
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