CN212146084U - Self-centering detection clamp for circular disc workpieces - Google Patents
Self-centering detection clamp for circular disc workpieces Download PDFInfo
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- CN212146084U CN212146084U CN202020511033.3U CN202020511033U CN212146084U CN 212146084 U CN212146084 U CN 212146084U CN 202020511033 U CN202020511033 U CN 202020511033U CN 212146084 U CN212146084 U CN 212146084U
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Abstract
The utility model provides a circular disk class work piece is from feeling relieved and is detected anchor clamps, including bottom plate and radial synchronous guiding mechanism, radial synchronous guiding mechanism includes drive assembly, a plurality of support post and a plurality of linear guide, support post and linear guide one-to-one and sliding fit, drive assembly is used for driving a plurality of support posts along corresponding linear guide synchronous slip, and support post's top is formed with the clamping part, and the clamping part has horizontal holding surface. The utility model discloses circular dish type work piece is from centering detection anchor clamps, its radial synchronous guiding mechanism can realize that a plurality of support posts are synchronous along radial flexible removal, and the top clamping part of support post is used for the circular dish type work piece of centre gripping to can realize the support clamping and the automatic alignment center to the circular dish type work piece of equidimension not, be particularly useful for the clamping of large-scale circular dish type work piece.
Description
Technical Field
The utility model relates to a detect anchor clamps technical field, specifically a circular dish type work piece is from centering and is detected anchor clamps, is particularly useful for the clamping of large-scale circular dish type part.
Background
With the development of modern industry and the increasing requirements of people on product quality, the frequency and the number of spot checks on the size of workpieces are continuously increased, some workpieces even need to be inspected completely, and the workpieces in a factory are various in types and high in yield. This puts new higher demands on the efficiency of the clamping system, and needs to realize the rapid positioning and clamping of the workpiece.
For clamping small circular disc workpieces (the outer diameter is generally less than 400 mm), the existing three-jaw chuck can be used for clamping due to small size and light weight. With the development of modern industry, large disc parts (with the outer diameter generally larger than 400 mm) are used more and more at present, because a large three-jaw chuck or other standard fixtures matched with the large disc parts are not used for clamping in the prior art, the workpiece is mainly supported by simple upright columns for clamping the workpiece at present, the workpiece is fixed by manually adjusting the position of each supporting upright column, and most of the large disc workpieces need to be detected by matching with a rotary table, and if the workpiece needs to be concentric with the rotary table or other mechanisms, the workpiece needs to be adjusted by a three-coordinate measuring machine and the like, so that the adjustment difficulty is high; meanwhile, the positions of the supporting stand columns of workpieces with different sizes are different, the positions of the supporting stand columns need to be manually readjusted when different workpieces are clamped, the time consumption is long, the manual adjustment precision is difficult to guarantee, and the workpiece clamping efficiency is seriously influenced; in addition, the larger the outer diameter of a large disc part is, the larger the self weight is, if the number of the supporting stand columns is small (for example, three stand columns are used for three-point positioning and clamping), the workpiece is deformed due to the self weight, and the measuring result and the actual measuring result have deviation, so that the number of the supporting stand columns needs to be increased, the difficulty of workpiece clamping adjustment is further increased, and the clamping efficiency is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a circular dish type work piece is from line-up detection anchor clamps realizes the quick location clamping of circular dish type work piece, improves clamping efficiency and measurement accuracy.
For reaching above-mentioned technological effect, the utility model discloses a technical scheme be, a circular disk class work piece is from feeling relieved and is detected anchor clamps, including bottom plate and radial synchronous guiding mechanism, radial synchronous guiding mechanism establishes on the bottom plate, it includes drive assembly, along a plurality of support posts of circumference equipartition and sets firmly on the bottom plate and follow a plurality of linear guide of circumference radial extension, support post with linear guide one-to-one and sliding fit, drive assembly is used for driving a plurality ofly support post is along corresponding linear guide slides in step, support post's top is formed with the clamping part, the clamping part has horizontal holding surface.
The driving assembly comprises a plurality of screw nut pairs which are arranged in one-to-one correspondence with the plurality of supporting columns and a driving handle which is used for manually and directly driving a screw of one of the screw nut pairs to rotate, the screw in the screw nut pair is arranged along the radial direction of the circumference, a nut of the screw nut pair is fixedly connected with the corresponding supporting column into a whole, a first bevel gear which is coaxial with the circumference and can rotate is arranged on the bottom plate, a second bevel gear which is coaxial with the screw is fixedly arranged at the inner end of each screw, and the second bevel gear is meshed with the first bevel gear.
The bottom plate is also fixedly provided with an annular supporting seat coaxial with the first bevel gear, the first bevel gear and each second bevel gear are positioned in the annular supporting seat, and the inner end of each lead screw penetrates through the annular supporting seat and is supported on the annular supporting seat.
And a digital position display used for displaying the moving distance of the nut in the screw-nut pair is arranged on the screw-nut pair directly driven by the driving handle.
The linear guide rail is a double linear guide rail, and the screw nut pair is positioned in the middle of the linear guide rail.
The driving assembly comprises a plurality of screw nut pairs which are arranged in one-to-one correspondence with the plurality of supporting columns and a driving motor which is used for electrically driving a screw of one of the screw nut pairs to rotate, screws in the screw nut pairs are arranged along the radial direction of the circumference, nuts of the screw nut pairs are fixedly connected with the supporting columns corresponding to the screw nut pairs into a whole, a first bevel gear which is coaxial with the circumference and can rotate is arranged on the bottom plate, a second bevel gear which is coaxial with the screw nut is fixedly arranged at the inner end of each screw, and the second bevel gear is meshed with the first bevel gear.
Each supporting upright column comprises an upright column part, a supporting part and at least one precision gasket, wherein the supporting part is positioned above the upright column part and is detachably connected with the upright column part into a whole, the upright column parts are in one-to-one corresponding sliding fit with the linear guide rails, the opposite surfaces of the supporting part and the upright column part are horizontal planes, the horizontal supporting planes are formed on the supporting part, and the precision gasket is used for being clamped between the supporting part and the upright column part.
And the supporting part and/or the upright post part are/is provided with a positioning structure for positioning the supporting part.
The number of the supporting upright columns is 4-6.
The bottom plate is a circular plate coaxial with the circumference, and a plurality of lifting lugs are uniformly distributed on the bottom plate along the circumference.
Compared with the prior art, the utility model has the advantages of it is following and positive effect:
the utility model discloses circular dish class work piece is from feeling relieved detects anchor clamps, its radial synchronous guiding mechanism includes drive assembly, a plurality of support posts along the circumference equipartition with set firmly on the bottom plate and along a plurality of linear guide of this circumference radial extension, support post and linear guide one-to-one and sliding fit, drive assembly can drive a plurality of support posts along corresponding linear guide synchronous slip, can be in order to realize a plurality of support posts along radial synchronous telescopic movement, support post's top clamping part is used for the circular dish class work piece of centre gripping, then inwards or outwards slide in step through a plurality of support posts, can realize support clamping and automatic alignment center to the circular dish class work piece of equidimension not, be particularly useful for the clamping of large-scale circular dish class work piece.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic view of the overall structure of a self-centering detection clamp for a circular disc workpiece in an embodiment of the present invention;
FIG. 2 is a view of the overall structure of the supporting column of the self-centering detection fixture for circular disc workpieces and the nut of the screw nut pair in the embodiment of the present invention;
fig. 3 is an exploded view of the support column of fig. 2.
Detailed Description
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other; the terms "inner" and "outer" are used herein to describe the direction radially inward toward the center of the circle and outward away from the center of the circle. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other. Putongtong (common general)
Referring to fig. 1 and 2, the self-centering detection fixture for circular disc workpieces of the present embodiment includes a bottom plate 100 and a radial synchronous adjusting mechanism 200, where the radial synchronous adjusting mechanism 200 is disposed on the bottom plate 100, and includes a driving assembly 210, a plurality of supporting columns 220 uniformly distributed along a circumference a, and a plurality of linear guide rails 230 fixedly disposed on the bottom plate 100 and extending along the circumference a in a radial direction, the supporting columns 220 and the linear guide rails 230 are disposed in a one-to-one correspondence, and the supporting columns 220 are in sliding fit with the linear guide rails 230, that is, the supporting columns 220 can slide along the extending direction of the linear guide rails 230, and the linear guide rails 230 play a guiding role; the driving assembly 210 is used for driving the plurality of supporting columns 220 to synchronously slide along the corresponding linear guide rails 230, the top ends of the supporting columns 220 are provided with clamping parts 221, the clamping parts 221 are provided with horizontal supporting surfaces 221A, and the clamping parts 221 of the plurality of supporting columns 220 and the horizontal supporting surfaces 221A jointly form clamping for circular disc type workpieces. When the driving assembly 210 drives the plurality of support columns 220 to synchronously slide along the linear guide rails 230 corresponding to the support columns, the plurality of support columns 220 are synchronously slid inwards or outwards along the radial direction of the circumference A to adapt to circular disc-shaped workpieces with different sizes, and the workpieces are automatically centered.
Specifically, as shown in fig. 2, a sliding block 222 is disposed on a bottom surface of the supporting upright 220, the sliding block 222 is provided with a sliding slot adapted to the linear guide 230, and the linear guide 230 is engaged with the sliding slot, so that the supporting upright 220 can only slide along the linear guide 230.
Further, in this embodiment, as shown in fig. 1, the driving assembly 210 includes a plurality of screw nut pairs 211 corresponding to the plurality of supporting columns 220 one by one, and a driving handle 212 for manually and directly driving a screw 211A of one of the screw nut pairs 211 to rotate, the screw 211A of the screw nut pair 211 is disposed along a radial direction of a circumference a, a nut 211B of the screw nut pair 211 is fixedly connected with the corresponding supporting column 220 to form a whole, a first bevel gear 240 coaxial with the circumference a and rotatable is disposed on the bottom plate 100, a second bevel gear 250 coaxial with the inner end of each screw 211A is fixedly disposed on the inner end of each screw 211A, and the second bevel gear 250 is engaged with the first bevel gear 240. When the driving handle 212 is manually rotated to drive the corresponding lead screw 211A to rotate, and the second bevel gears 250 on the inner ends of the lead screws 211A synchronously rotate, the first bevel gear 240 is driven to rotate, the first bevel gear 240 rotates to synchronously rotate the other second bevel gears 250, the lead screws 211A corresponding to the other second bevel gears 250 synchronously rotate, that is, the lead screws 211 of all the lead screw nut pairs 211 synchronously rotate, so that all the supporting upright columns 210 synchronously move inwards or outwards along the corresponding linear guide rails 230 in the radial direction. The manual driving by the driving handle 212 is easy to realize and has cost advantage.
In order to reliably support all the lead screws 211A, a supporting structure is respectively disposed on the bottom plate 100 corresponding to the inner end and the outer end of each lead screw 211, for example, a supporting block 110 for supporting the outer end of the lead screw 211A in fig. 1, an annular supporting seat 120 coaxial with the first bevel gear 240 is further fixedly disposed on the bottom plate 100, the first bevel gear 240 and each second bevel gear 250 are disposed inside the annular supporting seat 120, and the inner end of each lead screw 211A passes through the annular supporting seat 120 and is supported on the annular supporting seat 120. The inner ends of the lead screws 211A are commonly supported on an annular support base 120, which is beneficial to saving space and easy to assemble. Of course, the supporting block 110 and the annular supporting seat 120 are respectively connected with the inner end and the outer end of the screw 211A through bearings.
In order to display the moving distance of the supporting upright 220 in real time by manual driving, in this embodiment, as shown in fig. 1, a digital position display 300 for displaying the moving distance of the nut 211B in the screw nut pair 211 is provided on the screw nut pair 211 directly driven by the driving handle 212, so as to indirectly display the moving distance of the supporting upright 220.
Further, the linear guide 230 is preferably a double linear guide, and the lead screw nut pair 211 is located at the middle position of the linear guide 230 to make the support column 220 move smoothly.
Of course, the driving assembly 210 may also be controlled by electric synchronization, specifically, different from the manual driving, the driving assembly 210 includes a plurality of screw nut pairs 211 corresponding to the plurality of supporting columns 220 one to one and a driving motor for driving a screw in one of the screw nut pairs 211 to rotate, in the same way as the manual driving, a screw 211A in the screw nut pair 211 is arranged along a radial direction of the circumference a, a nut 211B of the screw nut pair 211 is fixedly connected with the corresponding supporting column 220 to form a whole, the bottom plate 100 is provided with a first bevel gear 240 coaxial and rotatable with the circumference a, the inner end of each screw 211A is fixedly provided with a second bevel gear 250 coaxial with the screw 211A, and the second bevel gear 250 is engaged with the first bevel gear 240. When the motor drives the corresponding screw 211A to rotate, the second bevel gears 250 on the inner ends of the screw 211A rotate synchronously, so as to drive the first bevel gears 240 to rotate, the first bevel gears 240 rotate to drive the other second bevel gears 250 to rotate synchronously, the screw 211A corresponding to the other second bevel gears 250 rotate synchronously, that is, the screw 211 of all screw nut pairs 211 rotate synchronously, and thus all the support columns 210 move inwards or outwards along the corresponding linear guide rails 230 in a radial direction synchronously.
In the present embodiment, as shown in fig. 3, each supporting column 220 includes a column portion 223, a supporting portion 224 and at least one precision washer 225, the supporting portion 224 is located above the column portion 223 and detachably connected with the column portion 223 as a whole, the column portions 223 and the linear guide rails 230 are in one-to-one correspondence and sliding fit, that is, the supporting column 220 is in sliding fit with the linear guide rails 230 by virtue of the column portion 223 at the lower portion thereof, the slider 222 is disposed at the bottom end of the column portion 223, and the opposite surfaces of the supporting portion 224 and the column portion 223 are horizontal planes, and a horizontal support surface 221A is formed on the support portion 224, and a precision washer 225 is used to be sandwiched between the support portion 224 and the column portion 223. The precision gasket 225 is made of precision steel strips with high precision, high hardness and high toughness through heat treatment and fine grinding, the thickness of the precision steel strips can be selected from more than 50 thicknesses from 0.001-3.00mm, and the height of the supporting upright column 220 can be adjusted by increasing or decreasing the precision gasket 225, so that 6 horizontal supporting surfaces 221A are ensured to be on the same horizontal plane.
In order to position the support portion 224 and improve the adjustment efficiency of the support column 220, a positioning structure for positioning the support portion 224 is provided on the support portion 224 and/or the column portion 223. As shown in fig. 3, in the present embodiment, two positioning holes (not shown in the drawings for the reason of viewing angle) are disposed on the bottom surface of the supporting portion 224, and two positioning posts 226 are disposed on the top surface of the column portion 223, so that the supporting portion 224 is positioned by the positioning posts 226 matching with the positioning holes, and the supporting portion and the column portion 223 can be detachably connected through countersunk screws.
The number of the supporting columns 220 is preferably 4-6, and the larger the size of the circular disc-like workpiece is, the larger the number of the supporting columns 220 is, and the multi-point supporting is performed by multiple workpieces so as to avoid the deformation of the workpiece due to the self weight as much as possible.
In this embodiment, the bottom plate 100 is a circular plate coaxial with the circumference a, that is, the first bevel gear 240 is located at the center of the bottom plate 100, and a plurality of lifting lugs 130 are uniformly distributed on the bottom plate 100 along the circumference, so as to facilitate lifting to be matched with the measuring machine.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. The utility model provides a circular disk class work piece is from feeling relieved and is detected anchor clamps, its characterized in that, includes bottom plate and radial synchronous guiding mechanism, radial synchronous guiding mechanism establishes on the bottom plate, it includes drive assembly, along a plurality of support posts of circumference equipartition and sets firmly on the bottom plate and follow a plurality of linear guide of circumference radial extension, support post with linear guide one-to-one and sliding fit, drive assembly is used for driving a plurality of support post is along corresponding linear guide slides in step, support post's top is formed with the clamping part, the clamping part has the horizontal holding surface.
2. The self-centering detection clamp for the circular disc-like workpiece according to claim 1, wherein the driving assembly comprises a plurality of lead screw nut pairs which are arranged in one-to-one correspondence with the plurality of support columns and a driving handle which is used for manually and directly driving a lead screw of one of the lead screw nut pairs to rotate, the lead screw in the lead screw nut pair is arranged along the radial direction of the circumference, a nut of the lead screw nut pair is fixedly connected with the corresponding support column into a whole, a first bevel gear which is coaxial and rotatable with the circumference is arranged on the bottom plate, a second bevel gear which is coaxial with the inner end of each lead screw is fixedly arranged on the inner end of each lead screw, and the second bevel gear is meshed with the first bevel gear.
3. The self-centering detection clamp for the circular disc-like workpiece according to claim 2, wherein an annular support seat coaxial with the first bevel gear is further fixedly arranged on the bottom plate, the first bevel gear and the second bevel gears are located inside the annular support seat, and an inner end of each lead screw penetrates through the annular support seat and is supported on the annular support seat.
4. The self-centering detection clamp for the circular disc-like workpiece according to claim 2, wherein a digital position display for displaying the moving distance of the nut in the screw-nut pair is arranged on the screw-nut pair directly driven by the driving handle.
5. The self-centering detection clamp for the circular disc-shaped workpiece according to claim 2, wherein the linear guide rail is a double linear guide rail, and the screw-nut pair is located in the middle of the linear guide rail.
6. The self-centering detection clamp for the circular disc-like workpiece according to claim 1, wherein the driving assembly comprises a plurality of lead screw nut pairs which are arranged in one-to-one correspondence with the plurality of support columns and a driving motor for electrically driving a lead screw of one of the lead screw nut pairs to rotate, the lead screw of the lead screw nut pair is arranged along the radial direction of the circumference, a nut of the lead screw nut pair is fixedly connected with the corresponding support column into a whole, a first bevel gear which is coaxial and rotatable with the circumference is arranged on the bottom plate, a second bevel gear which is coaxial with the lead screw is fixedly arranged at the inner end of each lead screw, and the second bevel gear is meshed with the first bevel gear.
7. The self-centering detection clamp for the circular disc-like workpiece as claimed in any one of claims 1 to 6, wherein each support column comprises a column portion, a support portion and at least one precision gasket, the support portion is located above the column portion and is detachably connected with the column portion into a whole, the column portions are in one-to-one corresponding sliding fit with the linear guide rails, the opposite surfaces of the support portion and the column portion are horizontal surfaces, the horizontal support surfaces are formed on the support portion, and the precision gasket is used for being clamped between the support portion and the column portion.
8. The self-centering detection clamp for the circular disc-like workpiece according to claim 7, wherein the supporting portion and/or the column portion is provided with a positioning structure for positioning the supporting portion.
9. The self-centering detection clamp for the circular disc-like workpiece as claimed in claim 7, wherein the number of the support columns is 4-6.
10. The self-centering detection clamp for the circular disc-shaped workpiece according to claim 1, wherein the bottom plate is a circular plate coaxial with the circumference, and a plurality of lifting lugs are uniformly distributed on the bottom plate along the circumference.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020511033.3U CN212146084U (en) | 2020-04-09 | 2020-04-09 | Self-centering detection clamp for circular disc workpieces |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020511033.3U CN212146084U (en) | 2020-04-09 | 2020-04-09 | Self-centering detection clamp for circular disc workpieces |
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| CN212146084U true CN212146084U (en) | 2020-12-15 |
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| CN202020511033.3U Active CN212146084U (en) | 2020-04-09 | 2020-04-09 | Self-centering detection clamp for circular disc workpieces |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112917206A (en) * | 2021-05-12 | 2021-06-08 | 新乡职业技术学院 | Self-centering clamping device for numerical control machine tool |
| CN113528770A (en) * | 2021-07-22 | 2021-10-22 | 洛阳升华感应加热股份有限公司 | Hydraulic clamping device for large-scale ferrule parts |
| CN113997069A (en) * | 2021-11-02 | 2022-02-01 | 中国工程物理研究院激光聚变研究中心 | Optical element suspension assembly system |
| CN114714191A (en) * | 2022-04-27 | 2022-07-08 | 浙江万丰奥威汽轮股份有限公司 | Deburring device |
| CN115847124A (en) * | 2022-11-17 | 2023-03-28 | 哈尔滨工业大学 | High-precision self-centering device for available outer circle or inner circle surface |
| CN117443627A (en) * | 2023-12-22 | 2024-01-26 | 崇义县百利通汽车服务有限公司 | Auto-parts regulation formula anchor clamps that spray paint |
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2020
- 2020-04-09 CN CN202020511033.3U patent/CN212146084U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112917206A (en) * | 2021-05-12 | 2021-06-08 | 新乡职业技术学院 | Self-centering clamping device for numerical control machine tool |
| CN113528770A (en) * | 2021-07-22 | 2021-10-22 | 洛阳升华感应加热股份有限公司 | Hydraulic clamping device for large-scale ferrule parts |
| CN113997069A (en) * | 2021-11-02 | 2022-02-01 | 中国工程物理研究院激光聚变研究中心 | Optical element suspension assembly system |
| CN113997069B (en) * | 2021-11-02 | 2022-12-27 | 中国工程物理研究院激光聚变研究中心 | Optical element suspension assembly system |
| CN114714191A (en) * | 2022-04-27 | 2022-07-08 | 浙江万丰奥威汽轮股份有限公司 | Deburring device |
| CN114714191B (en) * | 2022-04-27 | 2023-06-23 | 浙江万丰奥威汽轮股份有限公司 | Deburring device |
| CN115847124A (en) * | 2022-11-17 | 2023-03-28 | 哈尔滨工业大学 | High-precision self-centering device for available outer circle or inner circle surface |
| CN117443627A (en) * | 2023-12-22 | 2024-01-26 | 崇义县百利通汽车服务有限公司 | Auto-parts regulation formula anchor clamps that spray paint |
| CN117443627B (en) * | 2023-12-22 | 2024-04-09 | 崇义县百利通汽车服务有限公司 | Auto-parts regulation formula anchor clamps that spray paint |
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Effective date of registration: 20230726 Address after: No. 885 Huaguan Road, High tech Zone, Qingdao, Shandong Province, 266101 Patentee after: Haikeshong manufacturing intelligent technology (Qingdao) Co.,Ltd. Address before: No. 188, Zhuzhou Road, Laoshan District, Qingdao City, Shandong Province 266100 Patentee before: HEXAGON METROLOGY (QINGDAO) Co.,Ltd. |
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