CN105479205A - Long-stroke self-centering clamping device - Google Patents
Long-stroke self-centering clamping device Download PDFInfo
- Publication number
- CN105479205A CN105479205A CN201511018097.XA CN201511018097A CN105479205A CN 105479205 A CN105479205 A CN 105479205A CN 201511018097 A CN201511018097 A CN 201511018097A CN 105479205 A CN105479205 A CN 105479205A
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- CN
- China
- Prior art keywords
- connecting rod
- rod mechanism
- self
- clamping device
- work piece
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
-
- 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
- B23Q2703/00—Work clamping
- B23Q2703/02—Work clamping means
- B23Q2703/10—Devices for clamping workpieces of a particular form or made from a particular material
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention discloses a long-stroke self-centering clamping device. The long-stroke self-centering clamping device is suitable for a rotation workpiece and comprises a first connecting rod mechanism, a second connecting rod mechanism and a third connecting rod mechanism. The three connecting rod mechanisms all comprise sliding rails, sliding blocks and connecting rods. The sliding block of each connecting rod mechanism is arranged on the corresponding sliding rail in a sliding manner. The moving axes of the sliding blocks of the three connecting rod mechanisms are crossed at one point. The connecting rods of the connecting rod mechanisms are equal in length. The rotation workpiece is provided with three hinge points. The distances between the hinge points and the center of the rotation workpiece are equal. The sliding blocks of the connecting rod mechanisms are hinged to one ends of the connecting rods. When the rotation workpiece needs to be centered, the other ends of the connecting rods of the three connecting rod mechanisms are hinged to the three hinge points on the rotation workpiece respectively. According to the technical scheme, the multiple connecting rods are utilized, the problems that a current mainstream self-centering clamping structure wedge block is high in machining cost, and the stroke is too short are solved, and the long-stroke self-centering clamping structure low in price, efficient and reliable is provided.
Description
Technical field
The invention belongs to mechanical field, relate to a kind of clamping device, particularly a kind of self-centering clamping device of Long travel.
Background technology
Three of rotary work piece refers to clamping device, generally all needs higher centering precision, mostly adopts the structure of tapered wedges to realize centering at present.Adopt wedge structure centering precision high, clamping force is large.But its manufacturing cost is high, clamping stroke is short, inapplicable in specific automation application.
Therefore, self-centering clamping structure general in prior art utilizes tapered wedges structure to realize self-centering, can realize reliable self-centering clamping.But the large cost of voussoir difficulty of processing is high.Further, by voussoir size impact, general clamping stroke is less.Above problem all can not meet in current Automated assembly and requires Long travel, the requirement of high-adaptability.
Summary of the invention
In view of this, the invention provides a kind of self-centering clamping device of Long travel.
For achieving the above object, concrete technical scheme is as follows:
A kind of self-centering clamping device of Long travel, be applicable to rotary work piece, comprise first connecting rod mechanism, second connecting rod mechanism and third connecting rod mechanism, described first connecting rod mechanism, second connecting rod mechanism and third connecting rod mechanism comprise slide rail respectively, slide block and connecting rod, the slide block of each linkage is slidably located on described slide rail, described first connecting rod mechanism, the axis of movement of the slide block of second connecting rod mechanism and third connecting rod mechanism meets at a bit, the connecting rod of each linkage is mutually isometric, described rotary work piece is provided with three pin joints, the distance at the center of each pin joint distance rotary work piece is equal, slide block in each linkage and one end of connecting rod hinged, when rotary work piece being felt relieved, described first connecting rod mechanism, the other end of the connecting rod of second connecting rod mechanism and third connecting rod mechanism is hinged with the pin joint of three on rotary work piece respectively.
It is characterized in that, between the slide block in each linkage and slide rail, also comprise clamp system.
It is characterized in that, also comprise driving mechanism, when clamping described rotary work piece when feeling relieved, described driving mechanism is connected with rotary work piece.
It is characterized in that, described driving mechanism comprises connected driving element and drive rod, and described drive rod is connected with rotary work piece.
It is characterized in that, described driving element is hydraulic cylinder, cylinder or motor.
It is characterized in that, described first connecting rod mechanism, second connecting rod mechanism and third connecting rod mechanism are uniformly distributed in the surrounding of described rotary work piece.
It is characterized in that, in described first connecting rod mechanism, second connecting rod mechanism and third connecting rod mechanism, the axis of movement of slide block at grade.
It is characterized in that, in described first connecting rod mechanism, second connecting rod mechanism and third connecting rod mechanism, the axis of movement of slide block intersects between two in 120 degree of angles.
It is characterized in that, described rotary work piece is wheel hub.
It is characterized in that, described wheel hub is of a size of 15-20 cun.
Relative to prior art, technical scheme of the present invention utilizes multi link to achieve self-centering Long travel clamping structure, solve current main flow self-centering clamping structure voussoir processing cost high, and the problem such as stroke is too short, provide a kind of Cheap highly effective reliable Long travel self-centering clamping structure.
Accompanying drawing explanation
The accompanying drawing forming a part of the present invention is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of embodiments of the invention;
Fig. 2 is the structural representation of practical application of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
It should be noted that, when not conflicting, the embodiment in the present invention and the feature in embodiment can combine mutually.
Below with reference to accompanying drawing, concrete explaination is done to embodiments of the invention.
As shown in Figures 1 and 2, the self-centering clamping device of a kind of Long travel of the embodiment of the present invention, is applicable to rotary work piece 1, comprises first connecting rod mechanism 2, second connecting rod mechanism 3, third connecting rod mechanism 4, clamp system, driving mechanism 5.
First connecting rod mechanism 2, second connecting rod mechanism 3 and third connecting rod mechanism 4 comprise slide rail 6, slide block 7 and connecting rod 8 respectively.The slide block 7 of each linkage is slidably located on slide rail 6.The axis of movement of the slide block 7 of first connecting rod mechanism, second connecting rod mechanism and third connecting rod mechanism meets at a bit.The connecting rod 8 of each linkage is mutually isometric.
Rotary work piece 1 is provided with three pin joints, the distance at the center of each pin joint distance rotary work piece 1 is equal, slide block 7 in each linkage and one end of connecting rod 8 hinged, when rotary work piece being felt relieved, the other end of the connecting rod 8 of first connecting rod mechanism, second connecting rod mechanism and third connecting rod mechanism is hinged with the pin joint of three on rotary work piece 1 respectively.
Clamp system is located between slide block in each linkage and slide rail.
When clamping rotary work piece when feeling relieved, driving mechanism 5 is connected with rotary work piece 1.
In an embodiment of the present invention, preferred drive mechanism 5 comprises connected driving element and drive rod, and drive rod is connected with rotary work piece.Driving element is hydraulic cylinder, cylinder or motor.
And preferably first connecting rod mechanism, second connecting rod mechanism and third connecting rod mechanism are uniformly distributed in the surrounding of rotary work piece.The axis of movement of slide block at grade, intersects between two in 120 degree of angles.
Preferred rotary work piece is wheel hub.
Embodiments of the invention, by single driving element, realize set action.In first connecting rod mechanism, the gyration of connecting rod drives the slide block action in second connecting rod mechanism.The axis of movement of three groups of slide blocks meets at a bit, drives realize self-centering by waiting long connecting rod.And can self-centering clamping be realized by the clamp system that slide block is installed.Finally, the parameters such as the long and angle of the bar by changing connecting rod, can obtain required stroke range.
The present invention, by single driving element, utilizes three groups of linkages, achieves self-centering clamp system on-off action.Bar linkage structure, processes and assembles simple, economical and efficient; By regulating the clamping stroke of the large-scale adjust structure of each length of connecting rod, meet the requirement of Long Distances.
As shown in Figure 2, in the example of automation wheel hub polishing, wheel hub specification is from 15 cun to 20 cun, and size span is large, needs stroke to be greater than the clamping structure of 135mm to meet instructions for use.Utilize the structure provided in the present invention, the Long travel clamping of high centering precision can be realized, meet the requirement of present case.
Be described in detail specific embodiments of the invention above, but it is just as example, the present invention is not restricted to specific embodiment described above.To those skilled in the art, any equivalent modifications that the present invention is carried out and substituting also all among category of the present invention.Therefore, equalization conversion done without departing from the spirit and scope of the invention and amendment, all should contain within the scope of the invention.
Claims (10)
1. the self-centering clamping device of a Long travel, be applicable to rotary work piece, it is characterized in that, comprise first connecting rod mechanism, second connecting rod mechanism and third connecting rod mechanism, described first connecting rod mechanism, second connecting rod mechanism and third connecting rod mechanism comprise slide rail respectively, slide block and connecting rod, the slide block of each linkage is slidably located on described slide rail, described first connecting rod mechanism, the axis of movement of the slide block of second connecting rod mechanism and third connecting rod mechanism meets at a bit, the connecting rod of each linkage is mutually isometric, described rotary work piece is provided with three pin joints, the distance at the center of each pin joint distance rotary work piece is equal, slide block in each linkage and one end of connecting rod hinged, when rotary work piece being felt relieved, described first connecting rod mechanism, the other end of the connecting rod of second connecting rod mechanism and third connecting rod mechanism is hinged with the pin joint of three on rotary work piece respectively.
2. the self-centering clamping device of Long travel according to claim 1, is characterized in that, also comprises clamp system between the slide block in each linkage and slide rail.
3. the self-centering clamping device of Long travel according to claim 2, is characterized in that, also comprise driving mechanism, and when clamping described rotary work piece when feeling relieved, described driving mechanism is connected with rotary work piece.
4. the self-centering clamping device of Long travel according to claim 3, is characterized in that, described driving mechanism comprises connected driving element and drive rod, and described drive rod is connected with rotary work piece.
5. the self-centering clamping device of Long travel according to claim 4, is characterized in that, described driving element is hydraulic cylinder, cylinder or motor.
6. the self-centering clamping device of Long travel according to claim 5, is characterized in that, described first connecting rod mechanism, second connecting rod mechanism and third connecting rod mechanism are uniformly distributed in the surrounding of described rotary work piece.
7. the self-centering clamping device of Long travel according to claim 6, is characterized in that, in described first connecting rod mechanism, second connecting rod mechanism and third connecting rod mechanism, the axis of movement of slide block at grade.
8. the self-centering clamping device of Long travel according to claim 7, is characterized in that, in described first connecting rod mechanism, second connecting rod mechanism and third connecting rod mechanism, the axis of movement of slide block intersects between two in 120 degree of angles.
9. the self-centering clamping device of Long travel according to claim 1, is characterized in that, described rotary work piece is wheel hub.
10. the self-centering clamping device of Long travel according to claim 9, is characterized in that, described wheel hub is of a size of 15-20 cun.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511018097.XA CN105479205A (en) | 2015-12-29 | 2015-12-29 | Long-stroke self-centering clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511018097.XA CN105479205A (en) | 2015-12-29 | 2015-12-29 | Long-stroke self-centering clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105479205A true CN105479205A (en) | 2016-04-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511018097.XA Pending CN105479205A (en) | 2015-12-29 | 2015-12-29 | Long-stroke self-centering clamping device |
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| CN (1) | CN105479205A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109382863A (en) * | 2018-09-14 | 2019-02-26 | 芜湖美奥机械科技有限公司 | A kind of air-conditioner compressor outer housing detection punch device |
| CN110883587A (en) * | 2019-12-16 | 2020-03-17 | 张烁 | Full-automatic numerical control machine tool |
| CN111299878A (en) * | 2020-04-18 | 2020-06-19 | 杨林 | A metal pipe fitting presss from both sides and gets lift anchor clamps for laser cutting machine |
| CN111331385A (en) * | 2018-12-18 | 2020-06-26 | 旭正机械股份有限公司 | Wheel frame drilling and milling machine |
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| US20030222415A1 (en) * | 2002-06-03 | 2003-12-04 | Smc Corporation | Three directional opening/closing chuck |
| CN201115875Y (en) * | 2007-10-30 | 2008-09-17 | 国营红阳机械厂 | Large diameter fast positioning clamping chuck |
| CN101664906A (en) * | 2009-09-27 | 2010-03-10 | 济南德佳机器有限公司 | Synchronous centering and positioning device |
| CN102554299A (en) * | 2010-12-15 | 2012-07-11 | 贺自清 | Self-centering power chuck for swing rod |
| CN103786042A (en) * | 2012-10-31 | 2014-05-14 | 苏州久工自动化科技有限公司 | Three-jaw clamp holder |
| CN205437836U (en) * | 2015-12-29 | 2016-08-10 | 上海发那科机器人有限公司 | Long stroke from centering clamping device |
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2015
- 2015-12-29 CN CN201511018097.XA patent/CN105479205A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030222415A1 (en) * | 2002-06-03 | 2003-12-04 | Smc Corporation | Three directional opening/closing chuck |
| CN201115875Y (en) * | 2007-10-30 | 2008-09-17 | 国营红阳机械厂 | Large diameter fast positioning clamping chuck |
| CN101664906A (en) * | 2009-09-27 | 2010-03-10 | 济南德佳机器有限公司 | Synchronous centering and positioning device |
| CN102554299A (en) * | 2010-12-15 | 2012-07-11 | 贺自清 | Self-centering power chuck for swing rod |
| CN103786042A (en) * | 2012-10-31 | 2014-05-14 | 苏州久工自动化科技有限公司 | Three-jaw clamp holder |
| CN205437836U (en) * | 2015-12-29 | 2016-08-10 | 上海发那科机器人有限公司 | Long stroke from centering clamping device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109382863A (en) * | 2018-09-14 | 2019-02-26 | 芜湖美奥机械科技有限公司 | A kind of air-conditioner compressor outer housing detection punch device |
| CN111331385A (en) * | 2018-12-18 | 2020-06-26 | 旭正机械股份有限公司 | Wheel frame drilling and milling machine |
| CN110883587A (en) * | 2019-12-16 | 2020-03-17 | 张烁 | Full-automatic numerical control machine tool |
| CN110883587B (en) * | 2019-12-16 | 2021-07-02 | 张烁 | Full-automatic numerical control machine tool |
| CN111299878A (en) * | 2020-04-18 | 2020-06-19 | 杨林 | A metal pipe fitting presss from both sides and gets lift anchor clamps for laser cutting machine |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160413 |
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| RJ01 | Rejection of invention patent application after publication |