CN111558918B - Floating support mechanism for thin workpiece - Google Patents
Floating support mechanism for thin workpiece Download PDFInfo
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- CN111558918B CN111558918B CN202010677948.6A CN202010677948A CN111558918B CN 111558918 B CN111558918 B CN 111558918B CN 202010677948 A CN202010677948 A CN 202010677948A CN 111558918 B CN111558918 B CN 111558918B
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- thin workpiece
- workpiece
- thin
- support column
- floating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
- Container, Conveyance, Adherence, Positioning, Of Wafer (AREA)
Abstract
The invention discloses a floating support mechanism for a thin workpiece, which comprises a base, a positioning component and a support component, wherein the support component comprises a fixed support column A, a fixed support column B, a fixed support column C and at least one floating support column, the fixed support column A and the fixed support column B are positioned on one side of the geometric center of the thin workpiece and are symmetrically arranged relative to the symmetry axis of the thin workpiece, the fixed support column C is positioned on the other side of the geometric center of the thin workpiece and is positioned on the symmetry axis of the thin workpiece, the floating support column is positioned between the fixed support column C and the geometric center of the thin workpiece, the thin workpiece defines a circumference with the geometric center as the center of a circle, the fixed support column A and the fixed support column B are positioned on the circumference, and the fixed support column C. The invention can support the sunken part of the thin workpiece without affecting the flatness of the workpiece, and can support the thin workpiece under the action of a small number of floating support columns.
Description
Technical Field
The invention relates to a workpiece supporting mechanism, in particular to a thin workpiece floating supporting mechanism.
Background
When a workpiece is machined or detected, the requirement on higher flatness is generally high, generally, the support plane area is smaller and the flatness can be ensured on the premise of ensuring the support function, in the traditional mode, a three-point support mode is generally adopted, namely three support columns are adopted to support different positions of the workpiece respectively, and the three support columns are generally uniformly distributed on the circumference which takes the geometric center of the workpiece as the center of a circle. For some thin workpieces, the mechanical strength of the workpiece is insufficient due to the thin workpiece, and depressions are formed at unsupported positions, so that the flatness of the thin workpiece is affected. How to solve the above problems is a problem to be solved urgently in the field.
Disclosure of Invention
The invention aims to provide a thin workpiece floating support mechanism which can prevent local depression of a thin workpiece and ensure the flatness of the thin workpiece.
In order to achieve the purpose, the invention adopts the technical scheme that: a floating supporting mechanism for a thin workpiece comprises a base, a positioning assembly and a supporting assembly, wherein the positioning assembly is arranged on the base and used for limiting the horizontal movement of the thin workpiece, the supporting assembly is arranged on the base and used for supporting the thin workpiece, the supporting assembly comprises a fixed supporting column A, a fixed supporting column B and a fixed supporting column C which are supported on the lower side of the thin workpiece, and top supporting surfaces of the fixed supporting column A, the fixed supporting column B and the fixed supporting column C are positioned on the same horizontal plane;
the supporting component further comprises at least one floating supporting column supported on the lower side of the thin workpiece, the fixed supporting column A and the fixed supporting column B are located on one side of the geometric center of the thin workpiece and are symmetrically arranged relative to the symmetry axis of the thin workpiece, the fixed supporting column C is located on the other side of the geometric center of the thin workpiece and is located on the symmetry axis of the thin workpiece, the floating supporting column is located between the fixed supporting column C and the geometric center of the thin workpiece, the thin workpiece defines a circle with the geometric center as the circle center, the fixed supporting column A and the fixed supporting column B are located on the circle, and the fixed supporting column C is located outside the circle.
The thin workpieces above are regular shapes having an axis of symmetry and a geometric center.
Further, the floating support columns are located on the circumference.
Further, the floating support columns are located on the symmetry axis of the thin workpiece.
Furthermore, the floating support columns are respectively arranged on two sides of the symmetry axis of the thin workpiece and are symmetrically arranged relative to the symmetry axis of the thin workpiece.
Furthermore, the thin workpiece is rectangular, and the symmetry axis of the thin workpiece is the symmetry axis of the long side of the thin workpiece.
Furthermore, the fixed support column a, the fixed support column B and the fixed support column C are height-adjustable support columns.
Furthermore, the positioning assembly comprises at least one positioning unit, and each positioning unit comprises a plurality of first positioning columns arranged on the outer side of one of the opposite sides of the thin workpiece and a plurality of elastic side pushing rollers arranged on the outer side of the other side of the opposite side of the thin workpiece.
Furthermore, the thin workpiece is rectangular, the positioning assembly comprises two positioning units, and the two positioning units respectively limit the thin workpiece to move along the horizontal X-axis direction and the horizontal Y-axis direction.
Furthermore, each positioning unit also comprises a plurality of second positioning columns arranged on the outer sides of the other sides of the opposite sides of the thin workpiece.
Furthermore, the thin workpiece is a computer all-in-one machine rear shell.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages: the floating support column is arranged, so that the sunken part of the thin workpiece can be supported, and the flatness of the workpiece cannot be influenced. Through the specific position relation of the fixed supporting columns and the floating supporting columns, the thin workpiece can be supported under the action of a small number of floating supporting columns.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that some of the drawings in the following description are embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a top view of the floating support mechanism for thin workpieces (the thin workpiece is seen in perspective) of the present disclosure;
fig. 2 is a perspective view of the floating support mechanism for thin workpieces disclosed in the present invention.
10, a base; 20. a thin workpiece; 21. a geometric center; 22. an axis of symmetry; 23. a circumference; 31. fixing a support pillar A; 32. fixing a support column B; 33. fixing a support pillar C; 34. a floating support column; 41. a first positioning post; 42. elastic side-push rollers; 43. and a second positioning column.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1 and 2, as shown in the drawings, a thin workpiece floating support mechanism includes a base 10, a positioning assembly disposed on the base 10 and used for limiting horizontal movement of a thin workpiece 20, and a support assembly disposed on the base 10 and used for supporting the thin workpiece 20, where the support assembly includes a fixed support column a31, a fixed support column B32, and a fixed support column C33 supported at a lower side of the thin workpiece, and top support surfaces of the fixed support column a31, the fixed support column B32, and the fixed support column C33 are located on a same horizontal plane;
the support assembly further comprises at least one floating support column 34 supported on the lower side of the thin workpiece, a fixed support column A31 and a fixed support column B32 are located on one side of the geometric center 21 of the thin workpiece 20 and are symmetrically arranged relative to the symmetry axis 22 of the thin workpiece 20, a fixed support column C33 is located on the other side of the geometric center 21 of the thin workpiece 20 and is located on the symmetry axis 22 of the thin workpiece 20, the floating support column 34 is located between the fixed support column C33 and the geometric center 21 of the thin workpiece 20, the thin workpiece 20 defines a circle 23 with the geometric center as a center, the fixed support column A31 and the fixed support column B32 are located on the circle 23, and the fixed support column C33 is located outside the circle 23.
The positions of the fixed support column a, the fixed support column B, the fixed support column C and the floating support column can be determined according to stress analysis and experiments to obtain the optimal support position. In practical use, the thin workpiece is placed on the supporting assembly and is determined to be limited to move by the assembly, and the floating supporting columns can carry out adaptive supporting on the thin workpiece.
In the preferred embodiment of this embodiment, floating support columns 34 are located on circumference 23.
In the preferred embodiment of this embodiment, floating support column 34 is located on axis of symmetry 22 of thin workpiece 20.
In a preferred embodiment of the present embodiment, the floating support columns 34 are respectively disposed on both sides of the symmetry axis 22 of the thin workpiece 20 and are symmetrically arranged with respect to the symmetry axis 22 of the thin workpiece 20.
In a preferred embodiment of the present embodiment, the thin workpiece 20 has a rectangular shape, and the axis of symmetry of the thin workpiece 20 is the axis of symmetry of the long side of the thin workpiece 20.
In the preferred embodiment of this embodiment, the fixed support column a31, the fixed support column B32, and the fixed support column C33 are height-adjustable support columns.
In the preferred embodiment of the present invention, the positioning assembly comprises at least one positioning unit, and each positioning unit comprises a plurality of first positioning posts 41 disposed on the outer side of one of the opposite sides of the thin workpiece 20 and a plurality of elastic side pushing rollers 42 disposed on the outer side of the other of the opposite sides of the thin workpiece. The fixing device can fix the thin workpiece with a slight error in size and ensure the accuracy of the substitute processing position of the thin workpiece.
In the preferred embodiment of the present embodiment, the thin workpiece 20 is rectangular, and the positioning assembly includes two positioning units, which respectively limit the movement of the thin workpiece 20 along the horizontal X-axis direction and the horizontal Y-axis direction.
In a preferred embodiment of the present invention, each positioning unit further includes a plurality of second positioning pillars 43 disposed outside the other side of the opposite sides of the thin workpiece 20.
In the preferred embodiment of the present embodiment, the thin workpiece 20 is a computer-integrated rear housing.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. A floating supporting mechanism for a thin workpiece comprises a base, a positioning component arranged on the base and used for limiting the horizontal movement of the thin workpiece, and a supporting component arranged on the base and used for supporting the thin workpiece,
the positioning assembly comprises at least one positioning unit, and each positioning unit comprises a plurality of first positioning columns arranged on the outer side of one of the opposite sides of the thin workpiece and a plurality of elastic side pushing rollers arranged on the outer side of the other side of the opposite side of the thin workpiece;
the supporting component comprises a fixed supporting column A, a fixed supporting column B and a fixed supporting column C which are supported on the lower side of the thin workpiece, and top supporting surfaces of the fixed supporting column A, the fixed supporting column B and the fixed supporting column C are positioned on the same horizontal plane;
the supporting component is characterized by further comprising a plurality of floating supporting columns supported on the lower side of the thin workpiece, the fixed supporting columns A and the fixed supporting columns B are located on one side of the geometric center of the thin workpiece and are symmetrically arranged relative to the symmetry axis of the thin workpiece, the fixed supporting columns C are located on the other side of the geometric center of the thin workpiece and are located on the symmetry axis of the thin workpiece, the floating supporting columns are located between the fixed supporting columns C and the geometric center of the thin workpiece, the thin workpiece defines a circle with the geometric center as the circle center, the fixed supporting columns A and the fixed supporting columns B are located on the circle, and the fixed supporting columns C are located outside the circle.
2. The thin workpiece floating support mechanism of claim 1, wherein the floating support column is located on the circumference.
3. The thin workpiece floating support mechanism of claim 1, wherein the floating support column is located on an axis of symmetry of the thin workpiece.
4. The thin workpiece floating support mechanism according to claim 1, wherein a plurality of floating support columns are respectively arranged on two sides of the symmetry axis of the thin workpiece and are symmetrically arranged relative to the symmetry axis of the thin workpiece.
5. The thin workpiece floating support mechanism of claim 1, wherein the thin workpiece is rectangular and the axis of symmetry of the thin workpiece is the axis of symmetry of the long side of the thin workpiece.
6. The thin workpiece floating support mechanism of claim 1, wherein the fixed support column a, the fixed support column B and the fixed support column C are height-adjustable support columns.
7. The thin workpiece floating support mechanism of claim 1, wherein the thin workpiece is rectangular and the positioning assembly comprises two positioning units, wherein the two positioning units respectively limit the movement of the thin workpiece along the horizontal X-axis direction and the horizontal Y-axis direction.
8. The thin workpiece floating support mechanism of claim 1, wherein each positioning unit further comprises a plurality of second positioning pillars disposed outside the other side of the opposite sides of the thin workpiece.
9. The thin workpiece floating support mechanism of any one of claims 1-8, wherein the thin workpiece is a computer all-in-one machine back shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010677948.6A CN111558918B (en) | 2020-07-15 | 2020-07-15 | Floating support mechanism for thin workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010677948.6A CN111558918B (en) | 2020-07-15 | 2020-07-15 | Floating support mechanism for thin workpiece |
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| Publication Number | Publication Date |
|---|---|
| CN111558918A CN111558918A (en) | 2020-08-21 |
| CN111558918B true CN111558918B (en) | 2020-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010677948.6A Active CN111558918B (en) | 2020-07-15 | 2020-07-15 | Floating support mechanism for thin workpiece |
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Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08167553A (en) * | 1994-12-14 | 1996-06-25 | Toshiba Mach Co Ltd | Work fixing device |
| CN103167734B (en) * | 2011-12-09 | 2016-02-24 | 景硕科技股份有限公司 | Thin plate support jig |
| CN103921145B (en) * | 2014-03-25 | 2016-05-04 | 中国船舶重工集团公司第七0七研究所 | A kind of clamping method of controlling accurate lopps thin-walled parts machining distortion |
| CN203936668U (en) * | 2014-07-09 | 2014-11-12 | 西安嘉瀚机电科技有限公司 | A kind of fixture of processing sheet part |
| CN104197829A (en) * | 2014-08-01 | 2014-12-10 | 大连理工大学 | Set of pneumatic flexible assembling systems for large weakly-rigid thin-wall part |
| CN209050423U (en) * | 2018-09-21 | 2019-07-02 | 杭州联德精密机械股份有限公司 | A kind of numerical control vertical lathe lathe universal fixture |
| CN209062587U (en) * | 2018-10-23 | 2019-07-05 | 上海务本工具机械有限公司 | A kind of general milling pin fixture of sheet parts |
| CN209532737U (en) * | 2018-11-21 | 2019-10-25 | 南京迪威尔高端制造股份有限公司 | It is a kind of for processing the auxiliary device of major diameter thin slice ring |
| CN110014402A (en) * | 2019-04-02 | 2019-07-16 | 深圳市贵峰精密有限公司 | The rectangular frivolous object positioning apparatus of one kind and its operating method |
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2020
- 2020-07-15 CN CN202010677948.6A patent/CN111558918B/en active Active
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