CN202087989U - Cam type three-point self-centering positioning disc - Google Patents
Cam type three-point self-centering positioning disc Download PDFInfo
- Publication number
- CN202087989U CN202087989U CN2011201829714U CN201120182971U CN202087989U CN 202087989 U CN202087989 U CN 202087989U CN 2011201829714 U CN2011201829714 U CN 2011201829714U CN 201120182971 U CN201120182971 U CN 201120182971U CN 202087989 U CN202087989 U CN 202087989U
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- cam
- pin
- locating piece
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Abstract
The utility model discloses a cam type three-point self-centering positioning disc, which comprises a positioning cover plate, a triangular cam and isometric radial extension pins. The positioning cover plate is in the shape of a short cylinder, each of the isometric radial extension pin consists of a positioning support pin, a positioning block and a return spring, the three positioning support pins are guided by the aid of the positioning blocks, the positioning blocks are fixed on a clamp by the aid of bolts and distributed on the same circumference by the interval of the central angle of 120 degrees, the return springs are fixedly mounted at the front ends of the positioning support pins, the axis of the positioning cover plate in the shape of the short cylinder is coaxial with the circumference wherein the positioning blocks are distributed, and the triangular cam and a cam mandrel are arranged in the middle of the three positioning blocks below the positioning cover plate. The cam type three-point self-centering positioning disc is simple in design, reasonable in structure and low in positioning accuracy and solves the problem of one-way deviation of a workpiece caused by the position error of an inner bore of the workpiece relative to the profile thereof positioned from three lateral sides by clamps.
Description
Technical field
The utility model relates to the clamp technology field, specifically belongs to 3 self-centering positioning disks of a kind of cam-type.
Background technology
In the processing of foundry machinery parts, when hole site in the workpiece blank because the site error of cast blank profile and inner chamber existence when bigger than normal, adopt location, the full side of profile must cause the deviation of the outer relatively shaped position of blanking inner hole excessive, and then cause total pore-forming boring allowance skewness of next procedure and the excessive mass defect of ovality.
The utility model content
The purpose of this utility model provides 3 self-centering positioning disks of a kind of cam-type, has solved the problem of the unidirectional biasing of the relative profile site error of the important endoporus of workpiece of three lateral registers generations of anchor clamps, simplicity of design, and rational in infrastructure, the accurate positioning error is little.
The technical solution adopted in the utility model is as follows:
3 self-centering positioning disks of a kind of cam-type, comprise the positioning disk cover plate, triangular cam, Deng radially flexible pin, described location cover plate is a short cylindrical shape, sell by the positioning supports pin Deng radially flexible, locating piece, return spring is formed, three positioning supports pins are guiding with the pin-and-hole of locating piece, locating piece is distributed on the circumference by being bolted on the clamp body and with 120 ° at interval central angle, positioning supports pin tail end is set with return spring, the front end sphere of three positioning supports pins is its location working portions, the outermost end place horizontal distribution circumference of three positioning supports pin spheres on its axis is circle in the blank that is positioned during location work, the face of cylinder of location cover plate is coaxial with this circle, the effect of location cover plate is that its axis represents three positioning supports pin sphere end points after the workpiece blank hole is located, the position at this circumferential axis place, location, thereby for the position of determining workpiece coordinate system on the vertical machining centre lathe provides the centering benchmark, and function is the tool setting element on the anchor clamps, three locating piece middle parts below the cover plate of location are provided with triangular cam and cam axle, form three radially-protruding driving mechanisms such as positioning supports pin.
Be provided with baffle plate between the described adjacent positioned piece, wait the central angle distribution that mounting condition is provided in horizontal plane, becoming 120 ° on three locating pieces between the positioning supports pin-and-hole axis.
Compared with the prior art, the beneficial effects of the utility model are as follows:
Positioning disk of the present utility model is being positioned at blanking inner hole on the blank shape lateral symmetry center line under the condition, make that this operation can be the tool setting element with the cover plate Short Cylinder Surface, with its center of circle is to add the initial point of determining workpiece coordinate system XY plane coordinates man-hour, reach the unidirectional biasing of the unlikely generation in position of the relative blank hole of actual Working position of each working position, thereby overcome the shortcoming of the unidirectional biasing of workpiece profile error of three lateral registers generations of existing anchor clamps.The 2nd,, the XY coordinate position that has guaranteed the relative blanking inner hole of technology dowel hole that this operation is processed is correct, chipping allowance when the relative blanking inner hole of the technology dowel hole position of processing can guarantee that this macropore is processed in the boring of postorder assembly under this location is even, thereby for reaching precision, macropore processing created condition, the uneven ellipse that produces of allowance during postorder boring blanking inner hole that the unidirectional biasing of workpiece profile error of having avoided existing anchor clamps to produce because of full lateral register causes.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
The specific embodiment
Referring to accompanying drawing, 3 self-centering positioning disks of a kind of cam-type, comprise positioning disk cover plate 1, triangular cam 2, form Deng radially flexible pin and additional structure, location cover plate 1 is a short cylindrical shape, sell by positioning supports pin 3 Deng radially flexible, locating piece 4, return spring 5 is formed, three positioning supports pins 3 are guiding with the pin-and-hole of locating piece 4, locating piece 4 is distributed on the circumference by being bolted on the clamp body and being separated with 120 ° at interval central angle by baffle plate 6, positioning supports pin 3 tail ends are set with return spring 5, location cover plate 1 short cylindrical axis is coaxial with this distribution circumference, with this axis is axis, three locating piece 4 middle parts below the cover plate 1 of location are provided with triangular cam 2 and cam axle, during forward rotation triangular cam 2, triangular cam 2 working curved surfaces promote radially flexible pin such as three grades simultaneously, till three positioning supports pin 3 heads all withstood the inner wall surface of workpiece blank endoporus, simultaneously, return spring 5 was compressed; During the backward rotation triangular cam, realize radially flexible pin withdrawal such as three grades under return spring 5 thrust, three positioning supports pin 3 heads leave the workpiece inner wall surface.
Claims (2)
1. 3 self-centering positioning disks of a cam-type, comprise the positioning disk cover plate, triangular cam, Deng radially flexible pin, it is characterized in that: described location cover plate is a short cylindrical shape, sell by the positioning supports pin Deng radially flexible, locating piece, return spring is formed, three positioning supports pins are guiding with the pin-and-hole of locating piece, locating piece is distributed on the circumference by being bolted on the clamp body and with 120 ° at interval central angle, positioning supports pin tail end is set with return spring, location cover plate short cylindrical axis is coaxial with this distribution circumference, with this axis is axis, and three locating piece middle parts below the cover plate of location are provided with triangular cam and cam axle.
2. according to 3 self-centering positioning disks of the described a kind of cam-type of claim 1, it is characterized in that: be provided with baffle plate between the described adjacent positioned piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201829714U CN202087989U (en) | 2011-06-01 | 2011-06-01 | Cam type three-point self-centering positioning disc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201829714U CN202087989U (en) | 2011-06-01 | 2011-06-01 | Cam type three-point self-centering positioning disc |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202087989U true CN202087989U (en) | 2011-12-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201829714U Expired - Fee Related CN202087989U (en) | 2011-06-01 | 2011-06-01 | Cam type three-point self-centering positioning disc |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202087989U (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102717331A (en) * | 2012-05-25 | 2012-10-10 | 胜方精密机械（浙江）有限公司 | Grinding clamp for determining surface by three points and locating along with shape and grinding method employing clamp |
| CN104259876A (en) * | 2014-08-15 | 2015-01-07 | 深圳市速优精密机械有限公司 | Self-centering clamp |
| CN104308740A (en) * | 2014-11-07 | 2015-01-28 | 南京市锅炉压力容器检验研究院 | Grinding deviation preventing device for automatically grinding active safety valve seat by driving grinding head with motor |
| CN104858689A (en) * | 2015-06-12 | 2015-08-26 | 常州信息职业技术学院 | Box inner hole centered positioning and clamping device and use method thereof |
| CN105112607A (en) * | 2015-08-21 | 2015-12-02 | 河北钢铁股份有限公司邯郸分公司 | Device for quickly replacing wire guide tubes of refining furnace |
| CN108705355A (en) * | 2018-07-31 | 2018-10-26 | 中信戴卡股份有限公司 | It improves wheel machining center and turns material positioning device |
| CN108972910A (en) * | 2018-08-07 | 2018-12-11 | 望江县天长光学仪器有限公司 | Positioning component for eyeglass chamfered edge device |
| CN109175802A (en) * | 2018-09-28 | 2019-01-11 | 中国核工业二三建设有限公司 | A kind of welding anti-deformation supporting device |
| CN110508991A (en) * | 2019-08-09 | 2019-11-29 | 曾凌坤 | A kind of short shape pipeline welding support |
| CN111390206A (en) * | 2020-03-05 | 2020-07-10 | 烟台艾迪精密机械股份有限公司 | Numerical control blade blank and method for quickly aligning inscribed circle thereof |
| CN111681573A (en) * | 2018-12-04 | 2020-09-18 | 项炜涛 | Three-side turning billboard device |
| CN112092042A (en) * | 2020-09-14 | 2020-12-18 | 天长市永南橡塑制品有限公司 | Tire cutting device |
-
2011
- 2011-06-01 CN CN2011201829714U patent/CN202087989U/en not_active Expired - Fee Related
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102717331A (en) * | 2012-05-25 | 2012-10-10 | 胜方精密机械（浙江）有限公司 | Grinding clamp for determining surface by three points and locating along with shape and grinding method employing clamp |
| CN104259876A (en) * | 2014-08-15 | 2015-01-07 | 深圳市速优精密机械有限公司 | Self-centering clamp |
| CN104308740A (en) * | 2014-11-07 | 2015-01-28 | 南京市锅炉压力容器检验研究院 | Grinding deviation preventing device for automatically grinding active safety valve seat by driving grinding head with motor |
| CN104858689A (en) * | 2015-06-12 | 2015-08-26 | 常州信息职业技术学院 | Box inner hole centered positioning and clamping device and use method thereof |
| CN105112607A (en) * | 2015-08-21 | 2015-12-02 | 河北钢铁股份有限公司邯郸分公司 | Device for quickly replacing wire guide tubes of refining furnace |
| CN108705355A (en) * | 2018-07-31 | 2018-10-26 | 中信戴卡股份有限公司 | It improves wheel machining center and turns material positioning device |
| CN108705355B (en) * | 2018-07-31 | 2023-11-03 | 中信戴卡股份有限公司 | Improved turning positioning device for wheel machining center |
| CN108972910A (en) * | 2018-08-07 | 2018-12-11 | 望江县天长光学仪器有限公司 | Positioning component for eyeglass chamfered edge device |
| CN108972910B (en) * | 2018-08-07 | 2024-06-04 | 望江县天长光学仪器有限公司 | Positioning assembly for lens edging device |
| CN109175802A (en) * | 2018-09-28 | 2019-01-11 | 中国核工业二三建设有限公司 | A kind of welding anti-deformation supporting device |
| CN111681573B (en) * | 2018-12-04 | 2021-12-28 | 项炜涛 | Three-side turning billboard device |
| CN111681573A (en) * | 2018-12-04 | 2020-09-18 | 项炜涛 | Three-side turning billboard device |
| CN110508991A (en) * | 2019-08-09 | 2019-11-29 | 曾凌坤 | A kind of short shape pipeline welding support |
| CN110508991B (en) * | 2019-08-09 | 2021-04-13 | 义乌市义心科技有限责任公司 | Short pipeline welding support |
| CN111390206B (en) * | 2020-03-05 | 2021-07-09 | 烟台艾迪精密机械股份有限公司 | Numerical control blade blank and method for quickly aligning inscribed circle thereof |
| CN111390206A (en) * | 2020-03-05 | 2020-07-10 | 烟台艾迪精密机械股份有限公司 | Numerical control blade blank and method for quickly aligning inscribed circle thereof |
| CN112092042A (en) * | 2020-09-14 | 2020-12-18 | 天长市永南橡塑制品有限公司 | Tire cutting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111228 Termination date: 20140601 |