CN201493694U - Cardan joint star wheel car external grinding spring clip - Google Patents
Cardan joint star wheel car external grinding spring clip Download PDFInfo
- Publication number
- CN201493694U CN201493694U CN200920190929XU CN200920190929U CN201493694U CN 201493694 U CN201493694 U CN 201493694U CN 200920190929X U CN200920190929X U CN 200920190929XU CN 200920190929 U CN200920190929 U CN 200920190929U CN 201493694 U CN201493694 U CN 201493694U
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- China
- Prior art keywords
- spring clip
- wheel car
- grinding spring
- taper shank
- joint star
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- Expired - Lifetime
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Abstract
The utility model discloses a cardan joint star wheel car external grinding spring clip, mainly solving the problems that the existing inner star wheel car external grinding spring clip clamping workpiece has long production auxiliary time, low workpiece production efficiency, high production cost and poor workpiece clamping fastness. The spring clip is characterized in that the front end of a taper shank (1) is provided with a supporting sheath (3); the side wall of the supporting sheath (3) is at least provided with two through grooves (4) which are evenly distributed along the circumference of the supporting sheath (3) and internally embedded with tensioning plates (5); the outer circular arc surfaces of all the tensioning plates (5) are connected to form a concentric cylindrical surface with the same center line with the supporting sheath (3); the outer end of the inner wall of each tensioning plate (5) is matched with the outer wall conical surface of a tensioning plate (2); and the conical surface has large outer end and small inner end. The cardan joint star wheel car external grinding spring clip increases the clamping range, improves production efficiency, reduces the number of fixtures, reduces the production cost, and has the characteristics of simple structure, easy use and stable workpiece clamping.
Description
Technical field:
The utility model relates to a kind of parts machining special fixture, belongs to a kind of universal joint star-wheel car cylindrical grinding spring clip.
Background technology:
Star-wheel claims inner race again, is an assembly in the automobile rzeppa joint.Along with the arriving in personalized epoch, the production of automobile is constantly released new vehicle for satisfying the demand of society, and product type reaches several thousand kinds, and maintenance market has determined that accessory production is that small lot is multiple batches of.Star-wheel just belongs to the accessory of the multiple batches of production of this small lot, in order to improve the production efficiency of star-wheel, reduces the production non-cutting time of changing frock clamp when production batch switches, and just needs to use the extremely strong special fixture of versatility.The star-wheel car cylindrical grinding spring clip that uses is the ordinary elasticity anchor clamps at present, strain by the part during clamping is come clamping work pieces, common deflection is about 0.5mm, gripping range is little, when the different model product is produced continuously, need repeatedly change spring clip, the production of frock clamp is long non-cutting time, and production efficiency is low; The quantity of spring clip also needs with the star-wheel of different model supporting, the production cost height.The distortion of ordinary elasticity anchor clamps when clamping workpiece is to be starting point with the root, is " fan " shape with certain angle and inwardly or outwards is out of shape, and the clamping face of workpiece can not contact fully with the clamping face of anchor clamps behind the clamping, and contact area is little, and the fastness of holding workpiece is poor.
The utility model content:
Efficient long for the production non-cutting time that overcomes existing star-wheel car cylindrical grinding spring clip clamping workpiece, that produce workpiece is low, production cost is high and the deficiency of the fastness difference of holding workpiece, the utility model provides a kind of universal joint star-wheel car cylindrical grinding spring clip, this universal joint star-wheel car cylindrical grinding spring clip has improved the performance of spring clip, increased gripping range, saved production non-cutting time, improved production efficiency, reduced the quantity of anchor clamps, reduce production cost, had characteristics simple in structure, easy to use and that holding workpiece is firm.
The technical solution of the utility model is: this universal joint star-wheel car cylindrical grinding spring clip comprises taper shank and tighting rod, tighting rod is threaded with the front end of taper shank, the front end of taper shank has support set, the sidewall of support set has 2 grooves at least, groove circumferentially evenly distributes along support set, groove is embedded in the tensioner sheet, the exterior arc surface of each tensioner sheet connects can form a concentric circles cylinder with support set identical central line, the inwall outer end of each tensioner sheet cooperates with the outer wall taper seat of tighting rod 2, and big the inner, described taper seat outer end is little.
The two ends of described tensioner sheet all have limited step.
The tail end of described taper shank has screwed hole of centre.
Described taper shank is No. 4 taperings of Morse.
The quantity of described groove is 3,4,6 or 8, and the quantity of tensioner sheet is identical with the quantity of groove.
The front end of described taper shank has workpiece location datum level and the spacing plane of tensioner sheet.
The utlity model has following beneficial effect: owing to take such scheme, when inside screw-in tighting rod, each tensioner sheet expands outwardly synchronously, because each tensioner sheet is independently, can the overall radial displacement, compare with background technology bigger contact area is arranged between the utility model and the workpiece, the fastness of holding workpiece is better than background technology under identical external force effect, simultaneously can access bigger gripping range, scope relies on local elasticity to be out of shape the working range of spring clip in background technology about 4mm.Therefore, when the different model product is produced continuously, reduce the frequency of changing frock clamp, saved production non-cutting time, reduced the quantity of frock clamp, reduced production cost, improved production efficiency.Have characteristics simple in structure, easy to use and that holding workpiece is firm.
Description of drawings:
Accompanying drawing 1 is a structure cutaway view of the present utility model.
1-taper shank among the figure, 2-tighting rod, 3-support set, 4-groove, 5-tensioner sheet, 6-limited step, 7-screwed hole of centre.
The specific embodiment:
The utility model is described in further detail below in conjunction with accompanying drawing:
By shown in Figure 1, this universal joint star-wheel car cylindrical grinding spring clip comprises taper shank 1 and tighting rod 2, tighting rod 2 is threaded with the front end of taper shank 1, the front end of taper shank 1 has support set 3, the sidewall of support set 3 has 2 grooves 4 at least, groove 4 circumferentially evenly distributes along support set 3, groove 4 is embedded in tensioner sheet 5, the exterior arc surface of each tensioner sheet 5 connects can form a concentric circles cylinder with support set 3 identical central lines, the inwall outer end of each tensioner sheet 5 cooperates with the outer wall taper seat of tighting rod 2, and big the inner, described taper seat outer end is little.
The two ends of described tensioner sheet 5 all have limited step 6, and tensioner sheet 5 broke away from support set 3 when limited step 6 can be avoided changing workpiece, played position-limiting action.
The tail end of described taper shank 1 has screwed hole of centre 7, can be by the afterbody bolt tension of main shaft, and it is loosening that taper shank 1 is difficult for.
Described taper shank 1 is No. 4 taperings of Morse, is to decide by the tapered bore of machine tool spindle of this example employing, also can choose the Morse tapering of other model, but must be supporting with the machine tool chief axis hole taper of processing.
The quantity of described groove 4 is 3,4,6 or 8, and the quantity of tensioner sheet 5 is identical with the quantity of groove 4.The quantity of groove 4 and tensioner sheet 5 determines that according to the size of workpiece diameter or external diameter the numerical value that is easy to five equilibrium is as preferred.
The front end of described taper shank 1 has workpiece location datum level and tensioner sheet 5 spacing planes.During clamping workpiece, workpiece and workpiece location datum level are close to, rotation tighting rod 2, and tensioner sheet 5 limited planes are spacing, can be with tensioner sheet 5 spreadings, clamping work pieces when tighting rod 2 inwardly moves.
During actual the use, workpiece is enclosed within outside the tensioner sheet 2, when inwardly screwing in tighting rod, each tensioner sheet 2 expands outwardly synchronously, because each tensioner sheet 2 is independently, can the overall radial displacement, compare with background technology bigger contact area is arranged between the utility model and the workpiece, the fastness of holding workpiece is better than background technology under identical external force effect, simultaneously can access bigger gripping range, scope relies on local elasticity to be out of shape the working range of spring clip in background technology about 4mm.Therefore, when the different model product is produced continuously, reduced the frequency of changing frock clamp, saved production non-cutting time, the increase of gripping range has reduced the quantity of frock clamp, has reduced production cost, has improved production efficiency.
Claims (6)
1. universal joint star-wheel car cylindrical grinding spring clip, comprise taper shank (1) and tighting rod (2), tighting rod (2) is threaded with the front end of taper shank (1), it is characterized in that: the front end of taper shank (1) has support set (3), the sidewall of support set (3) has 2 grooves (4) at least, groove (4) circumferentially evenly distributes along support set (3), groove (4) is embedded in tensioner sheet (5), the exterior arc surface of each tensioner sheet (5) connects can form a concentric circles cylinder with support set (3) identical central line, the inwall outer end of each tensioner sheet (5) cooperates with the outer wall taper seat of tighting rod (2), and big the inner, described taper seat outer end is little.
2. universal joint star-wheel car cylindrical grinding spring clip according to claim 1, it is characterized in that: the two ends of tensioner sheet (5) all have limited step (6).
3. universal joint star-wheel car cylindrical grinding spring clip according to claim 1 and 2, it is characterized in that: the tail end of taper shank (1) has screwed hole of centre (7).
4. universal joint star-wheel car cylindrical grinding spring clip according to claim 1 and 2, it is characterized in that: taper shank (1) is No. 4 taperings of Morse.
5. universal joint star-wheel car cylindrical grinding spring clip according to claim 1 and 2, it is characterized in that: the quantity of groove (4) is 3,4,6 or 8, the quantity of tensioner sheet (5) is identical with the quantity of groove (4).
6. universal joint star-wheel car cylindrical grinding spring clip according to claim 1 and 2 is characterized in that: the front end of taper shank (1) has workpiece location datum level and the spacing plane of tensioner sheet (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920190929XU CN201493694U (en) | 2009-08-06 | 2009-08-06 | Cardan joint star wheel car external grinding spring clip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920190929XU CN201493694U (en) | 2009-08-06 | 2009-08-06 | Cardan joint star wheel car external grinding spring clip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201493694U true CN201493694U (en) | 2010-06-02 |
Family
ID=42436903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920190929XU Expired - Lifetime CN201493694U (en) | 2009-08-06 | 2009-08-06 | Cardan joint star wheel car external grinding spring clip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201493694U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102240944A (en) * | 2011-07-15 | 2011-11-16 | 瓦房店轴承砂轮制造有限公司 | Slide tensioning mold for constant-speed centering spheres |
| CN102672392A (en) * | 2012-05-11 | 2012-09-19 | 山东水泊焊割设备制造有限公司 | Suspension clamping device |
| CN102744629A (en) * | 2012-07-26 | 2012-10-24 | 山西浩业通用设备有限公司 | Cutter stroke-increasing arm |
| CN102922329A (en) * | 2012-11-08 | 2013-02-13 | 无锡新宏泰电器科技股份有限公司 | Fast clamping fixture for bearing processing |
| CN105149631A (en) * | 2015-10-26 | 2015-12-16 | 重庆市银钢一通科技有限公司 | Machine tool and clamp thereof |
| CN107891322A (en) * | 2017-10-17 | 2018-04-10 | 无锡艾科瑞思产品设计与研究有限公司 | Star-wheel central hole polishing device in a kind of automobile of magnetic positioning |
-
2009
- 2009-08-06 CN CN200920190929XU patent/CN201493694U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102240944A (en) * | 2011-07-15 | 2011-11-16 | 瓦房店轴承砂轮制造有限公司 | Slide tensioning mold for constant-speed centering spheres |
| CN102672392A (en) * | 2012-05-11 | 2012-09-19 | 山东水泊焊割设备制造有限公司 | Suspension clamping device |
| CN102672392B (en) * | 2012-05-11 | 2014-11-26 | 山东水泊焊割设备制造有限公司 | Suspension clamping device |
| CN102744629A (en) * | 2012-07-26 | 2012-10-24 | 山西浩业通用设备有限公司 | Cutter stroke-increasing arm |
| CN102744629B (en) * | 2012-07-26 | 2015-05-27 | 山西浩业通用设备有限公司 | Cutter stroke-increasing arm |
| CN102922329A (en) * | 2012-11-08 | 2013-02-13 | 无锡新宏泰电器科技股份有限公司 | Fast clamping fixture for bearing processing |
| CN105149631A (en) * | 2015-10-26 | 2015-12-16 | 重庆市银钢一通科技有限公司 | Machine tool and clamp thereof |
| CN107891322A (en) * | 2017-10-17 | 2018-04-10 | 无锡艾科瑞思产品设计与研究有限公司 | Star-wheel central hole polishing device in a kind of automobile of magnetic positioning |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100602 |
|
| CX01 | Expiry of patent term |