CN220921153U - Gear grinding clamp for shaft part with taper hole - Google Patents
Gear grinding clamp for shaft part with taper hole Download PDFInfo
- Publication number
- CN220921153U CN220921153U CN202322451086.7U CN202322451086U CN220921153U CN 220921153 U CN220921153 U CN 220921153U CN 202322451086 U CN202322451086 U CN 202322451086U CN 220921153 U CN220921153 U CN 220921153U
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- hole
- static pressure
- pressure body
- taper
- clamp
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- 230000003068 static effect Effects 0.000 claims abstract description 23
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000002452 interceptive effect Effects 0.000 abstract 1
- 238000003754 machining Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
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Abstract
The utility model discloses a gear grinding clamp for shaft parts with taper holes, which comprises an upper center arranged at the top of a machine tool and a static pressure body fixedly arranged at the bottom of the machine tool, wherein the upper center and the static pressure body are oppositely arranged, and the central shafts of the upper center and the static pressure body are positioned on the same vertical direction; the static pressure body and the upper center are used for inversely installing the parts, so that the quick production change and high-precision requirements of the parts are realized, after the clamp is installed, the inner hole of the repeated precision expansion sleeve jumps within 0.005, batch processing of shaft parts with taper holes is realized, the technical problem that the universality of the gear grinding clamp for the shaft parts is not strong in the prior art is solved, in addition, the clamp can avoid the problems of grinding the gear of the shaft teeth and interfering the clamp when the inner holes of the shaft teeth and the gear are close, the universality is good, and the grinding of the shaft parts with different inner hole structures can be considered.
Description
Technical Field
The utility model belongs to the field of machining, and relates to a gear grinding clamp, in particular to a gear grinding clamp for shaft parts with taper holes.
Background
The shaft part with the taper hole needs to grind the tooth part, and compared with the positioning tensioning of the inner hole of the shaft part with the straight hole, the structure of the shaft part is changed, and the original positioning mode cannot be used. The original clamp is a special clamp, has low universality, needs to be detached in a whole set when the diameter of the positioning outer circle is changed, cannot realize quick production change, and is difficult to adapt to batch processing of factories.
For grinding shaft teeth parts with the teeth parts and the inner holes close to each other, the grinding of the teeth parts can interfere with a clamp according to the original clamp structure, and a grinding wheel damages the base body of the clamp. If the clamp base body is lengthened on the original clamp structure, the rigidity is insufficient, and the machining of the structural parts is also required, therefore, a gear grinding clamp for shaft parts with taper holes is needed to solve the technical problem that the universality of the existing gear grinding clamp for shafts with taper holes is not strong.
Disclosure of utility model
Aiming at the defects existing in the prior art, the utility model aims to provide the gear grinding clamp for the shaft part with the taper hole, so as to solve the technical problem that the gear grinding clamp for the shaft part in the prior art is not strong in universality.
In order to solve the technical problems, the utility model adopts the following technical scheme:
The upper center and the static pressure body are oppositely arranged, and the central shafts of the upper center and the static pressure body are positioned in the same vertical direction;
The center of the static pressure body is provided with a first through hole, a second through hole, a third taper hole and a fourth through hole in sequence along the vertical direction, and the apertures of the first through hole, the second through hole, the third taper hole and the fourth through hole are sequentially reduced and communicated; the middle part of the inner wall of the first through hole is provided with a ring groove; the first through hole is internally provided with an expansion sleeve, the top of the expansion sleeve is positioned at the upper part of the annular groove, and the center of the expansion sleeve is vertically and sequentially provided with a fifth through hole and a sixth taper hole which are communicated with each other; the third taper hole is internally provided with a lower center, and the top of the lower center penetrates out of the third taper hole and the second through hole and is positioned in the sixth taper hole.
The utility model also comprises the following technical characteristics:
A plurality of vertical first bolt holes are formed in the periphery of the upper end edge of the upper center, and the upper center is fixedly mounted on the top of the machine tool through the first bolt holes and the bolts.
The middle part of top center vertically seted up a plurality of different apertures's cavity.
A plurality of vertical second bolt holes are formed in the periphery of the bottom edge of the static pressure body, and the static pressure body is fixedly installed at the bottom of the machine tool through the cooperation of the second bolt holes and bolts.
Compared with the prior art, the utility model has the beneficial technical effects that:
According to the utility model, the static pressure body and the upper center are used for inversely installing the parts, so that the requirements of quick production replacement and high precision of the parts are met, the inner hole runout of the repeated precision expansion sleeve is within 0.005 after the clamp is installed, the batch processing of shaft parts with taper holes is realized, and the technical problem of low universality of the gear grinding clamp for the shaft parts in the prior art is solved.
The fixture can avoid the problems of grinding of the shaft tooth part and fixture interference of the original fixture structure when the inner hole of the shaft tooth is close to the tooth part, has good universality and can also grind shaft parts with different inner hole structures.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
Fig. 2 is a schematic structural view of a hydrostatic body according to the present utility model.
Meaning of each reference numeral in the drawings: 1-upper center, 2-static pressure body, 3-expansion sleeve, 4-lower center, 5-first bolt hole, 6-cavity and 7-second bolt hole;
201-a first through hole, 202-a second through hole, 203-a third taper hole, 204-a fourth through hole, 205-a ring groove;
301-fifth through holes, 302-sixth taper holes.
The following examples illustrate the utility model in further detail.
Detailed Description
All parts in the present utility model are known in the art, unless otherwise specified.
The following specific embodiments of the present utility model are provided, and it should be noted that the present utility model is not limited to the following specific embodiments, and all equivalent changes made on the basis of the technical scheme of the present utility model fall within the protection scope of the present utility model.
The utility model provides a gear grinding clamp for shaft parts with taper holes, which comprises an upper center 1 arranged at the top of a machine tool and a static pressure body 2 fixedly arranged at the bottom of the machine tool, wherein the upper center 1 and the static pressure body 2 are oppositely arranged, and the central axes of the upper center 1 and the static pressure body are positioned on the same vertical direction;
The center of the static pressure body 2 is provided with a first through hole 201, a second through hole 202, a third taper hole 203 and a fourth through hole 204 in sequence along the vertical direction, and the apertures of the first through hole 201, the second through hole 202, the third taper hole 203 and the fourth through hole 204 are sequentially reduced and communicated; a ring groove 205 is formed in the middle of the inner wall of the first through hole 201; the first through hole 201 is internally provided with an expansion sleeve 3, the top of the expansion sleeve 3 is positioned at the upper part of the annular groove 205, and the center of the expansion sleeve 3 is vertically provided with a fifth through hole 301 and a sixth taper hole 302 which are communicated with each other in sequence; the third taper hole 203 is provided with a lower center 4, and the top of the lower center 4 penetrates out of the third taper hole 203 and the second through hole 202 and is positioned in the sixth taper hole 302.
In the technical scheme, the static pressure body 2 and the upper center 1 are used for inversely installing the parts, so that the requirements of quick production replacement and high precision of the parts are met, after the clamp is installed, the inner hole of the repeated precision expansion sleeve jumps within 0.005, batch processing of shaft parts with taper holes is realized, and the technical problem of poor universality of the gear grinding clamp for the parts in the prior art is solved; in addition, when the inner hole of the shaft tooth is close to the tooth, the clamp can avoid the problems of grinding of the tooth of the shaft of the original clamp structure and interference of the clamp, has good universality and can realize grinding of shaft parts with different inner hole structures.
Specifically, a plurality of vertical first bolt holes 5 are formed in a periphery of the upper end edge of the upper center 1, and the upper center 1 is fixedly mounted on the top of the machine tool through the first bolt holes 5 and bolts.
Specifically, a plurality of cavities 6 with different apertures are vertically formed in the middle of the upper center 1 and are used for reducing the dead weight of the upper center.
Specifically, a plurality of vertical second bolt holes 7 have been seted up to static pressure body 2 bottom edge a week, and static pressure body passes through second bolt hole 7 and bolt cooperation fixed mounting in the lathe bottom.
Claims (4)
1. The gear grinding clamp for the shaft parts with the taper holes comprises an upper center (1) arranged at the top of a machine tool and a static pressure body (2) fixedly arranged at the bottom of the machine tool, and is characterized in that the upper center (1) and the static pressure body (2) are oppositely arranged, and the central shafts of the upper center and the static pressure body are positioned in the same vertical direction;
The center of the static pressure body (2) is provided with a first through hole (201), a second through hole (202), a third taper hole (203) and a fourth through hole (204) in sequence along the vertical direction, and the apertures of the first through hole (201), the second through hole (202), the third taper hole (203) and the fourth through hole (204) are reduced in sequence and are communicated; the middle part of the inner wall of the first through hole (201) is provided with a ring groove (205); the first through hole (201) is internally provided with an expansion sleeve (3), the top of the expansion sleeve (3) is positioned at the upper part of the annular groove (205), and the center of the expansion sleeve (3) is provided with a fifth through hole (301) and a sixth taper hole (302) which are communicated with each other in sequence along the vertical direction; the third taper hole (203) is internally provided with a lower center (4), and the top of the lower center (4) penetrates out of the third taper hole (203) and the second through hole (202) and is positioned in the sixth taper hole (302).
2. The gear grinding clamp for shaft parts with taper holes according to claim 1, wherein a plurality of vertical first bolt holes (5) are formed in the periphery of the upper end edge of the upper center (1), and the upper center (1) is fixedly mounted on the top of a machine tool through the first bolt holes (5) in a matched mode.
3. The gear grinding clamp for shaft parts with taper holes according to claim 1, wherein a plurality of cavities (6) with different apertures are vertically formed in the middle of the upper center (1).
4. The gear grinding clamp for shaft parts with taper holes according to claim 1, wherein a plurality of vertical second bolt holes (7) are formed in the periphery of the bottom edge of the static pressure body (2), and the static pressure body is fixedly mounted at the bottom of a machine tool through the second bolt holes (7) and bolts in a matched mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322451086.7U CN220921153U (en) | 2023-09-08 | 2023-09-08 | Gear grinding clamp for shaft part with taper hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322451086.7U CN220921153U (en) | 2023-09-08 | 2023-09-08 | Gear grinding clamp for shaft part with taper hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220921153U true CN220921153U (en) | 2024-05-10 |
Family
ID=90938537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322451086.7U Active CN220921153U (en) | 2023-09-08 | 2023-09-08 | Gear grinding clamp for shaft part with taper hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220921153U (en) |
-
2023
- 2023-09-08 CN CN202322451086.7U patent/CN220921153U/en active Active
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