CN117086660A - Clamping mechanism for positioning straight-line ball channel - Google Patents
Clamping mechanism for positioning straight-line ball channel Download PDFInfo
- Publication number
- CN117086660A CN117086660A CN202311349957.2A CN202311349957A CN117086660A CN 117086660 A CN117086660 A CN 117086660A CN 202311349957 A CN202311349957 A CN 202311349957A CN 117086660 A CN117086660 A CN 117086660A
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- China
- Prior art keywords
- positioning
- base
- shaped
- clamping mechanism
- bar
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- Granted
Links
- 244000043261 Hevea brasiliensis Species 0.000 claims description 5
- 239000004831 Hot glue Substances 0.000 claims description 5
- 229920003052 natural elastomer Polymers 0.000 claims description 5
- 229920001194 natural rubber Polymers 0.000 claims description 5
- 238000009826 distribution Methods 0.000 claims description 3
- 125000006850 spacer group Chemical group 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000003754 machining Methods 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 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
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 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
Abstract
The invention discloses a clamping mechanism for positioning a linear ball channel, which comprises the following components: a base; the circumference sets up on the base a plurality of reference columns, and the circumference is equipped with a plurality of constant head tanks on the base, and the lower extreme of reference column is fixed in the constant head tank, and is equipped with the elastic component between the outer wall of reference column and the inner wall of constant head tank, and the hardness of elastic component is less than the hardness of reference column and base. According to the clamping mechanism for positioning the linear ball channel, the elastic piece with smaller hardness is arranged between the positioning column and the positioning groove, so that the clamping mechanism is inserted into the bell-shaped shell, when the positioning column is matched with the linear inner ball channel, the position of the positioning column can be automatically and finely adjusted, the positioning column is completely matched with the linear inner ball channel, the elastic piece provides pretightening force for the bell-shaped shell, and therefore accurate positioning of the bell-shaped shell is achieved, the appearance machining precision of the bell-shaped shell is higher, the yield is higher, and the economic benefit is higher.
Description
Technical Field
The invention relates to the technical field of bell housing processing, in particular to a clamping mechanism for positioning a linear ball channel.
Background
During power transmission, a universal joint transmission mechanism is used. The bell housing is an important component of the universal joint transmission and is machined to require clamping with a specific clamp. Six straight inner ball tracks are uniformly distributed on the circumference of the inner wall of the bell-shaped shell, and when the outer part of the bell-shaped shell is processed, the bell-shaped shell is required to be positioned by matching the clamping mechanism with the inner ball tracks, and the positioning precision is higher.
The existing clamping mechanism comprises a base and six independent cylinders, and each positioning cylinder is fastened on the base through a fastening screw. The cylinder is in rigid fit with the straight inner ball channel of the bell-shaped shell, so that the coaxiality of the processed outer contour of the bell-shaped shell is easy to exceed an error, and the rejection rate is high; the processing cost is increased, and the production efficiency is reduced.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a clamping mechanism for positioning a linear ball channel.
In order to achieve the above purpose, the invention adopts the following technical scheme:
a clamping mechanism for locating a linear lane, comprising:
a base;
the positioning columns are circumferentially arranged on the base, a plurality of positioning grooves are circumferentially formed in the base, the lower ends of the positioning columns are fixed in the positioning grooves, elastic pieces are arranged between the outer walls of the positioning columns and the inner walls of the positioning grooves, and the hardness of the elastic pieces is smaller than that of the positioning columns and that of the base.
Preferably, the elastic member is an annular gasket.
Preferably, the elastic member is made of natural rubber or hot melt adhesive.
Preferably, the elastic piece is adhered and fixed with the inner wall of the positioning groove.
Preferably, a strip-shaped positioning hole is formed in the positioning groove, a strip-shaped positioning block is arranged at the lower end of the positioning column, and the strip-shaped positioning block is embedded into the strip-shaped positioning hole.
Preferably, the height of the bar-shaped positioning block is H1, and the height of the elastic piece is H2, which satisfies the following relationship: 0.8H2H 1 is less than or equal to H2.
Preferably, the clamping mechanism further comprises a fastener, and the fastener is fixedly connected with the strip-shaped positioning block from the lower part of the strip-shaped positioning hole.
Preferably, the base is provided with 6 positioning grooves, and the positioning grooves comprise four first positioning grooves with an included angle of 90 degrees and two second positioning grooves which form isosceles triangle distribution with one of the first positioning grooves.
Preferably, the axes of all the strip-shaped positioning holes intersect at the center of the base.
Preferably, the base is further provided with a plurality of base fixing holes, wherein a central connecting line of the two base fixing holes is overlapped with an axis of one of the second positioning grooves and passes through the center of the base.
Compared with the prior art, the invention has the beneficial effects that:
according to the clamping mechanism for positioning the linear ball channel, the elastic piece with smaller hardness is arranged between the positioning column and the positioning groove, so that the clamping mechanism is inserted into the bell-shaped shell, when the positioning column is matched with the linear inner ball channel, the position of the positioning column can be automatically and finely adjusted, the positioning column is completely matched with the linear inner ball channel, the elastic piece provides pretightening force for the bell-shaped shell, and therefore accurate positioning of the bell-shaped shell is achieved, the appearance machining precision of the bell-shaped shell is higher, the yield is higher, and the economic benefit is higher.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic view of a structure of a bell housing;
FIG. 2 is a schematic view of a chuck and bell housing according to an embodiment of the present invention;
FIG. 3 is a schematic view of a clamping mechanism and an alternative angle of the outer race according to an embodiment of the present invention;
FIG. 4 is a schematic cross-sectional view of a chuck positioning bell housing according to an embodiment of the present invention;
FIG. 5 is a schematic structural view of a clamping mechanism according to an embodiment of the present invention;
FIG. 6 is a schematic top view of a base according to an embodiment of the invention;
FIG. 7 is a schematic cross-sectional view of a base at A-A according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a positioning column according to an embodiment of the invention.
Reference numerals:
10. a bell housing; 11. a stem portion; 12. a head; 13. a straight inner lane; 20. a base; 21. a positioning groove; 211. strip-shaped positioning holes; 212. a first positioning groove; 213. a second positioning groove; 22. a circular groove; 23. a base fixing hole; 231. a center fixing hole; 232. a peripheral fixing hole; 30. positioning columns; 31. a strip-shaped positioning block; 32. a threaded hole; 33. an annular groove; 40. an elastic member; 50. a fastener.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1, the outer shell 10 includes a shaft 11 and a head 12, and has a plurality of straight inner ball grooves 13 therein, and when the outer shape of the outer shell 10 is processed, the outer shell 10 needs to be positioned by matching the clamping mechanism with the straight inner ball grooves 13, and the clamping mechanism affects the positioning accuracy of the outer shell 10, thereby affecting the processing accuracy and rejection rate of the outer shape of the outer shell 10.
Based on this, as shown in fig. 2, the embodiment of the present invention discloses a clamping mechanism for positioning a linear ball channel, which comprises a base 20 and a plurality of positioning columns 30, wherein the base 20 is used for fixedly connecting with a processing device, the positioning columns 30 are used for positioning a bell housing 10, and specifically, the positioning columns 30 are circumferentially arranged on the base 20. As shown in fig. 3, in use, the positioning post 30 extends into the outer race 10 and the sidewall engages the linear inner race 13, thereby producing a circumferential restraining force against the inner wall of the outer race 10. The base 20 is circumferentially provided with a plurality of positioning grooves 21, the lower end of the positioning column 30 is fixed in the positioning grooves 21, an elastic piece 40 is arranged between the outer wall of the positioning column 30 and the inner wall of the positioning groove 21, and the hardness of the elastic piece 40 is smaller than that of the positioning column 30 and the base 20, so that when the positioning column 30 stretches into the bell housing 10, as shown in fig. 4, the distance from one or more straight inner ball tracks 13 to the center of the bell housing 10 is smaller than that from the corresponding positioning column 30 to the center of the base 20, the side wall of the positioning column 30 is attached to the straight inner ball tracks 13 through the tiny deformation of the elastic piece 40, and the positioning column 30 cannot move greatly due to the fact that the lower end of the positioning column 30 is fixed in the positioning groove 21, meanwhile, the elastic piece 40 can provide a certain pretightening force, so that the contact between the positioning column 30 and the straight inner ball tracks 13 is more stable, the whole clamping mechanism applies more uniform force to the bell housing 10, and positioning is more accurate, and contour machining of the bell housing 10 is facilitated.
The hardness of the elastic member 40 may be in the range of 40-80 shore a, so that the elastic member 40 can generate micro deformation, and also can not generate larger deformation due to the influence of vibration of processing equipment in the subsequent processing process of the bell housing 10, thereby affecting the positioning stability of the clamping mechanism on the bell housing 10. The elastic piece 40 is made of natural rubber or hot melt adhesive, the hardness of the natural rubber and the hot melt adhesive is moderate, the natural rubber has higher mechanical strength, good flexural fatigue resistance and small hysteresis loss; the hot melt adhesive has similar advantages and better plasticity.
Preferably, as shown in fig. 5, the elastic member 40 in this embodiment is an annular spacer, which can generate a circumferential and uniform pre-tightening force on the positioning post 30, so that the whole clamping mechanism applies a more uniform force to the bell housing 10, and the positioning is more accurate.
When the bell housing 10 is processed, vibration of processing equipment increases the acting force of the bell housing 10 on the positioning post 30 and also increases the acting force of the elastic member 40, so that deformation of the elastic member 40 becomes larger and possibly is separated from the positioning groove 21, therefore, the elastic member 40 is adhered and fixed or in interference fit with the inner wall of the positioning groove 21, the connection firmness of the elastic member 40 and the positioning groove 21 is improved, and further the reaction force on the positioning post 30 is improved, so that the cooperation of the positioning post 30 and the bell housing 10 is more stable.
Due to the elastic member 40, the positioning post 30 is slightly displaced under the action of the bell housing 10, as shown in fig. 6, the positioning groove 21 of the present embodiment is provided with a bar-shaped positioning hole, as shown in fig. 8, at the lower end of the positioning post 30, the bar-shaped positioning block is embedded in the bar-shaped positioning hole, and the size of the bar-shaped positioning hole 211 is slightly larger than that of the bar-shaped positioning block 31, so that the moving direction of the positioning post 30 can be limited, preferably, the axes of all the bar-shaped positioning holes intersect at the center of the base 20, so that the positioning post 30 moves towards the center of the base 20 even if slightly moves, and the center of the bell housing 10 coincides with the center of the base 20, thereby being beneficial to improving the processing precision of the bell housing 10.
As shown in fig. 4, the strip-shaped positioning block 31 is rigidly connected to the strip-shaped positioning groove 21, the portion of the positioning column 30 above the strip-shaped positioning block 31 is in elastic contact with the elastic member 40, the rigid connection ensures the connection strength, and the elastic contact can finely adjust the positioning column 30, so that, in order to achieve balance, the height of the strip-shaped positioning block in the embodiment is H1, and the height of the elastic member 40 is H2, thereby satisfying the following relationship: 0.8H2 is less than or equal to H1 is less than or equal to H2, for example, H1=10mm, H2=9mm, and the problem that elastic contact cannot be effective due to overlarge rigid connection strength is avoided, the positioning column 30 is directly fixed in the positioning groove 21, and the problem that too much movement of the positioning column 30 is caused due to small rigid connection strength is also avoided, so that a good positioning effect cannot be achieved. As shown in fig. 8, the positioning column 30 is provided with an annular groove 33 at a portion above the strip-shaped positioning block 31, the elastic member 40 is sleeved on the outer wall of the annular groove 33, the upper surface of the elastic member 40 can be abutted against the side wall of the annular groove 33, the side wall of the annular groove 33 can limit the elastic member 40, the elastic member 40 is prevented from moving upwards along the positioning column 30, the positioning column 30 sleeved with the elastic member 40 is prevented from being oversized, the corresponding positioning groove 21 is oversized, and the mechanical strength of the base 20 is reduced.
In order to position the elastic member 40, as shown in fig. 7, the positioning groove 21 of the present embodiment is stepped, and the upper portion is a circular groove 22 for accommodating the elastic member 40, the lower surface of the elastic member 40 is attached to the upper surface of the circular groove 22, and the upper surface of the elastic member 40 is flush with the upper surface of the base 20, i.e. the depth of the circular groove 22 is the height H2 of the elastic member 40; the middle part is provided with a strip-shaped positioning hole 211, a strip-shaped positioning block 31 on the positioning column 30 is embedded in the strip-shaped positioning hole 211, the depth of the strip-shaped positioning hole 211 is slightly smaller than the height of the strip-shaped positioning block 31, for example, the height of the strip-shaped positioning block 31 is 9mm, and the depth of the strip-shaped positioning hole 211 is 8.9mm; the lower part of the positioning groove 21 is used for accommodating the fastener 50, so that the fastener can be fastened and connected with the strip-shaped positioning block 31, and the fastener cannot protrude out of the bottom surface of the base 20, and the flatness of the base 20 when being fixed with processing equipment is affected.
In this embodiment, as shown in fig. 4, the fixing manner of the positioning post 30 and the positioning groove 21 is that the positioning post 30 is inserted into the elastic member 40 in the positioning groove 21 from top to bottom, and then continues to move downward until the strip-shaped positioning block 31 of the positioning post 30 is inserted into the strip-shaped positioning hole 211 of the positioning groove 21, then the fastener 50 is fixedly connected with the strip-shaped positioning block 31 from below the strip-shaped positioning hole 211, the fastener 50 can comprise a screw and a gasket, the gasket is sleeved on the screw, as shown in fig. 8, the bottom of the strip-shaped positioning hole 211 is provided with a threaded hole 32, the screw is in threaded connection with the threaded hole 32 at the bottom of the strip-shaped positioning hole 211, and simultaneously the gasket is clamped, so that the fixing of the positioning post 30 and the positioning groove 21 is realized.
The number of straight inner lanes 13 is also different in the different types of outer race 10, and thus the distribution angle of the corresponding straight inner lanes 13 is also different. As shown in fig. 6, in this embodiment, 6 positioning grooves 21 are provided, the distances between the centers of all the positioning grooves 21 and the center of the base 20 are equal, and the number of the positioning grooves 21 is equal to or greater than the number of the positioning posts 30, so that the positioning manner of the bell housing 10 is also multiple, and the bell housing 10 with the number of ball tracks 13 in different straight lines can be adapted. Based on different setting angles and positions, the positioning groove 21 of the present embodiment includes four first positioning grooves 212 having an included angle of 90 ° and two second positioning grooves 213 forming an isosceles triangle with one of the first positioning grooves 212, the included angle between the two second positioning grooves 213 is 90 °, and the included angle between the second positioning groove 213 and the first positioning groove 212 forming an isosceles triangle therewith is 135 °. When four positioning columns 30 are adopted, the positioning columns 30 are respectively fixed in the first positioning grooves 212; when three positioning columns 30 are adopted, two positioning columns are respectively positioned in the second positioning grooves 213, and the rest positioning column 30 is positioned in the first positioning groove 212 forming an isosceles triangle with the second positioning groove 213; thereby widening the application scene and suitability of the clamping mechanism.
As shown in fig. 6, in this embodiment, the base 20 is further provided with a plurality of base fixing holes 23, including a central fixing hole 231 located at the center of the base 20 and a peripheral fixing hole 232 located at the outer side of the positioning slot 21, where the central connecting line of two base fixing holes 23 coincides with the axis of one of the second positioning slots 213 and passes through the center of the base 20, and the connecting lines of the other base fixing holes 20 and the centers of the two base fixing holes 23 form an included angle, so that the stability of the base 20 is improved and the processing precision is further improved.
The above embodiments are only preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present invention are intended to be within the scope of the present invention as claimed.
Claims (10)
1. A clamping mechanism for locating straight lane, characterized by, include:
a base;
the positioning columns are circumferentially arranged on the base, a plurality of positioning grooves are circumferentially formed in the base, the lower ends of the positioning columns are fixed in the positioning grooves, elastic pieces are arranged between the outer walls of the positioning columns and the inner walls of the positioning grooves, and the hardness of the elastic pieces is smaller than that of the positioning columns and that of the base.
2. The chuck of claim 1, wherein the resilient member is an annular spacer.
3. The chuck of claim 1, wherein the resilient member is made of natural rubber or hot melt adhesive.
4. The clamping mechanism of claim 1, wherein the elastic member is adhesively secured or interference fit with the inner wall of the positioning slot.
5. The clamping mechanism according to any one of claims 1 to 4, wherein a bar-shaped positioning hole is formed in the positioning groove, a bar-shaped positioning block is arranged at the lower end of the positioning column, and the bar-shaped positioning block is embedded into the bar-shaped positioning hole.
6. The chuck of claim 5, wherein the height of the bar-shaped positioning block is H1 and the height of the elastic member is H2, satisfying the following relationship: 0.8H2H 1 is less than or equal to H2.
7. The chuck of claim 5, further comprising a fastener fixedly coupled to the bar-shaped positioning block from below the bar-shaped positioning hole.
8. The clamping mechanism of claim 5, wherein the base is provided with 6 positioning grooves, and the 6 positioning grooves comprise four first positioning grooves with an included angle of 90 degrees and two second positioning grooves which form isosceles triangle distribution with one of the first positioning grooves; the number of the positioning grooves is greater than or equal to the number of the positioning columns.
9. The chuck of claim 8, wherein the axes of all of the bar-shaped alignment holes intersect at the center of the base.
10. The chuck of claim 7, wherein the base is further provided with a plurality of base fixing holes, and wherein a center line of the two base fixing holes coincides with an axis of one of the second positioning grooves and passes through a center of the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311349957.2A CN117086660B (en) | 2023-10-18 | 2023-10-18 | Clamping mechanism for positioning straight-line ball channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311349957.2A CN117086660B (en) | 2023-10-18 | 2023-10-18 | Clamping mechanism for positioning straight-line ball channel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117086660A true CN117086660A (en) | 2023-11-21 |
| CN117086660B CN117086660B (en) | 2023-12-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311349957.2A Active CN117086660B (en) | 2023-10-18 | 2023-10-18 | Clamping mechanism for positioning straight-line ball channel |
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| CN (1) | CN117086660B (en) |
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| CN204053536U (en) * | 2014-08-29 | 2014-12-31 | 常州超宇机械制造有限公司 | A kind of positioning tool being applicable to processing BJ type clutch can |
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| CN212653092U (en) * | 2020-06-19 | 2021-03-05 | 吉林北方捷凯传动轴有限公司 | Positioning mould for machining bell-shaped shell |
| CN212652712U (en) * | 2020-06-19 | 2021-03-05 | 吉林北方捷凯传动轴有限公司 | Positioning expanding tire for machining of bell-shaped shell precision forging piece |
| CN113751733A (en) * | 2021-09-27 | 2021-12-07 | 吉林北方捷凯传动轴有限公司 | Workpiece positioning and clamping device for bell-shaped shell turning machine tool |
| CN115673838A (en) * | 2021-07-30 | 2023-02-03 | 上海纳铁福传动系统有限公司 | High-speed universal joint material loading fine positioning seat |
| US20230045564A1 (en) * | 2019-12-06 | 2023-02-09 | Ntn Corporation | Method for gripping constant-velocity universal joint component |
| CN219685344U (en) * | 2023-05-31 | 2023-09-15 | 台州宏利汽车零部件有限公司 | Bell shell tool clamp for automobile outer wheel ball cage |
| CN219837510U (en) * | 2023-05-12 | 2023-10-17 | 江苏森威精锻有限公司 | Numerical control machining clamp for spherical channel inner cavity bell-shaped shell |
-
2023
- 2023-10-18 CN CN202311349957.2A patent/CN117086660B/en active Active
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| JPH11254258A (en) * | 1998-03-04 | 1999-09-21 | Toyota Motor Corp | Machining jig for constant velocity universal joint |
| JP2002205234A (en) * | 2001-01-10 | 2002-07-23 | Honda Motor Co Ltd | Machining method of constant velocity joint, and positioning jig used therefor |
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| CN104875058A (en) * | 2015-05-27 | 2015-09-02 | 杭州锐冠科技有限公司 | Bell housing roller path positioning device |
| CN204893507U (en) * | 2015-05-27 | 2015-12-23 | 杭州锐冠科技有限公司 | Bell shell raceway positioner |
| CN106808233A (en) * | 2017-03-16 | 2017-06-09 | 重庆市永川区邦威机械制造有限公司 | Constant velocity cardan joint clutch can inner support clamp |
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| CN210702633U (en) * | 2019-07-02 | 2020-06-09 | 湖北洪湖昶润汽车零部件制造有限公司 | Finish turning clamping tool for bell-shaped shell |
| US20230045564A1 (en) * | 2019-12-06 | 2023-02-09 | Ntn Corporation | Method for gripping constant-velocity universal joint component |
| CN212653092U (en) * | 2020-06-19 | 2021-03-05 | 吉林北方捷凯传动轴有限公司 | Positioning mould for machining bell-shaped shell |
| CN212652712U (en) * | 2020-06-19 | 2021-03-05 | 吉林北方捷凯传动轴有限公司 | Positioning expanding tire for machining of bell-shaped shell precision forging piece |
| CN115673838A (en) * | 2021-07-30 | 2023-02-03 | 上海纳铁福传动系统有限公司 | High-speed universal joint material loading fine positioning seat |
| CN113751733A (en) * | 2021-09-27 | 2021-12-07 | 吉林北方捷凯传动轴有限公司 | Workpiece positioning and clamping device for bell-shaped shell turning machine tool |
| CN219837510U (en) * | 2023-05-12 | 2023-10-17 | 江苏森威精锻有限公司 | Numerical control machining clamp for spherical channel inner cavity bell-shaped shell |
| CN219685344U (en) * | 2023-05-31 | 2023-09-15 | 台州宏利汽车零部件有限公司 | Bell shell tool clamp for automobile outer wheel ball cage |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117086660B (en) | 2023-12-29 |
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