CN105033893A - Workpiece centering and clamping device - Google Patents
Workpiece centering and clamping device Download PDFInfo
- Publication number
- CN105033893A CN105033893A CN201510535421.9A CN201510535421A CN105033893A CN 105033893 A CN105033893 A CN 105033893A CN 201510535421 A CN201510535421 A CN 201510535421A CN 105033893 A CN105033893 A CN 105033893A
- Authority
- CN
- China
- Prior art keywords
- jaw
- pedestal
- clamping jaw
- workpiece
- clamping
- Prior art date
- 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
Links
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
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
-
- 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
Abstract
The invention discloses a workpiece centering and clamping device which comprises a rack and clamping jaws. A clamping platform is arranged on the top face of the rack. The workpiece centering and clamping device further comprises two connecting rod sets. The clamping jaws comprise the first clamping jaw, the second clamping jaw, the third clamping jaw and the fourth clamping jaw which are distributed in a rectangular shape. A first seat body and a second seat body are connected to the clamping platform in a sliding mode, and the sliding track of the first seat body and the sliding track of the second seat body are located on the same straight line. The first clamping jaw and the second clamping jaw are arranged on the first seat body, and the third clamping jaw and the fourth clamping jaw are arranged on the second seat body. The first clamping jaw is exactly opposite to the third clamping jaw, and the second clamping jaw is exactly opposite to the fourth clamping jaw. One connecting rod set comprises two hinged connecting rods, and the two ends of the connecting rod set are in hinged joint with the first clamping jaw and the third clamping jaw respectively. The two ends of the other connecting rod set are in hinged joint with the second clamping jaw and the fourth clamping jaw respectively. The clamping jaws are symmetric about the connecting line of the hinged joint points of the connecting rods, and the connecting rods are symmetric about the connecting line of the hinged joint points of the connecting rods. By means of the workpiece centering and clamping device, the central line of a symmetric-type workpiece can be determined through the hinged joint points on the connecting rod sets while the workpiece is clamped and fixed, manual measurement is not needed, and efficiency is improved.
Description
Technical field
The present invention relates to workpiece or the clamping technical field of cutter, be specifically related to the clamping of workpiece and determine the device of center line.
Background technology
In the process that workpiece manufactures, first need workpiece to be positioned with clamping, normally realized by the jaw in frame, make it occupy correct position relative to frame or lathe, to accept processing or to detect.In machinery, the exterior contour of workpiece is mostly all along its center line symmetry, and on workpiece, structure such as corresponding groove or hole etc. is all line centered by the center line of workpiece, therefore when workpiece manufactures, usually needs to determine its center line.
Present Workpiece fixing and clamping device do not have to carry out for symmetry shape workpiece the device that center line determines specially, and what usually take is the mode of manual measurement: the mid point first measuring other both sides, and mid point is carried out line, and this line is the center line of workpiece.But adopt and need in this way to measure workpiece just can find mid point, consuming time longer, efficiency is lower.
Summary of the invention
The invention provides a kind of workpiece fixed in clamping device, do not have to carry out for symmetry shape workpiece the device that center line determines specially to solve present Workpiece fixing and clamping device, the problem of symmetry shape workpiece center line can not be determined quickly.
For achieving the above object, technical scheme of the present invention is as follows: clamping device during a kind of workpiece is fixed, comprise frame and jaw, the end face of frame is Gripping platform, also comprise two connection rod set, described jaw comprises the first jaw of rectangular distribution, second jaw, 3rd jaw and the 4th jaw, Gripping platform slidably connects the first pedestal and the second pedestal, the sliding trace of the first pedestal and the second pedestal is positioned on straight line, first pedestal is provided with the first jaw and the second jaw, second pedestal is provided with the 3rd jaw and the 4th jaw, first jaw and the 3rd jaw just right, second jaw and the 4th jaw just right, one connection rod set comprises two hinged connecting rods, the two ends of one connection rod set respectively with the first jaw and the 3rd jaw hinged, the two ends of another connection rod set respectively with the second jaw and the 4th jaw hinged, jaw and the connecting rod line all along connecting rod hinge point is symmetrical.
In this article, just to referring to that both lines are parallel with the sliding trace of the first pedestal or the second pedestal.First jaw and the 3rd jaw are just to referring to that the first jaw is parallel with the sliding trace of the first pedestal or the second pedestal with the line of the 3rd jaw.Second jaw and the 4th jaw are just to referring to that the first jaw is parallel with the sliding trace of the first pedestal or the second pedestal with the line of the 3rd jaw.
The principle of this programme is: the first pedestal and the second pedestal move according to the size of workpiece, first pedestal and the second pedestal are respectively equipped with two jaws for holding workpiece, jaw on first pedestal and the second pedestal is just to setting, connection rod set is provided with between jaw, jaw and the connecting rod line all along connecting rod hinge point is symmetrical, therefore the line of connecting rod hinge point must be the center line of symmetry shape workpiece.
Compared with prior art, the invention has the advantages that: 1, Gripping platform slidably connects the first pedestal and the second pedestal, jaw is arranged on the first pedestal and the second pedestal, the workpiece of the different size of convenient clamping.2, jaw and the connecting rod line all along connecting rod hinge point is symmetrical, and pin joint is the mid point between two jaws.3, jaw comprises the first jaw, the second jaw, the 3rd jaw and the 4th jaw, and rectangular distribution, the first jaw and the 3rd jaw just right, the second jaw and the 4th jaw just right, be hinged with connection rod set between just right jaw.The setting of jaw ensure that two connection rod set, and the pin joint in two connection rod set can determine straight line, and this straight line is the center line of symmetry shape workpiece.The present invention, while clamping and clamping workpiece, also by the center line of the pin joint determination symmetry shape workpiece in connection rod set, does not need manual measurement, and only straight-bar need be aimed at corresponding two pin joints and rule along straight-bar, consuming time shorter, efficiency is lower.
Further, described jaw is hinged on the first pedestal or the second pedestal, and jaw can according to the shape adjustment angle of workpiece outline, with holding workpiece better.
Further, also comprise two cylinders, the first pedestal and the second pedestal are respectively by two air cylinder driven, and cylinder can move back and forth, to clamp and to unclamp workpiece.
Further, described jaw is L-shaped, and jaw can two limits of holding workpiece.
Accompanying drawing explanation
Fig. 1 is the structural representation of the fixed middle non-holding workpiece of clamping device of workpiece of the present invention.
Fig. 2 has been that the middle gripping apparatus grips structural representation of workpiece determined by workpiece of the present invention.
Detailed description of the invention
Below by detailed description of the invention, the present invention is further detailed explanation:
Reference numeral in Figure of description comprises: frame 1, first jaw 2, second jaw 3, the 3rd jaw 4, the 4th jaw 5, first pedestal 6, second pedestal 7, connecting rod 8, cylinder 9.
Embodiment is substantially as shown in Figures 1 and 2: clamping device during a kind of workpiece is fixed, comprise frame 1, jaw, 8 groups, two connecting rod and two cylinders 9, jaw comprises the first jaw 2, second jaw 3 of rectangular distribution, the 3rd jaw 4 and the 4th jaw 5, above-mentioned jaw is all L-shaped, and the interior angle of jaw is towards workpiece.The end face of frame 1 is Gripping platform, Gripping platform slidably connects the first pedestal 6 and the second pedestal 7, first pedestal 6 and the second pedestal 7 all along horizontal sliding.First pedestal 6 and the second pedestal 7 are driven by two cylinders 9 respectively, and cylinder 9 can move back and forth, to clamp and to unclamp workpiece.First pedestal 6 is hinged with the first jaw 2 and the second jaw 3, second pedestal 7 is hinged with the 3rd jaw 4 and the 4th jaw 5, first jaw 2 and the 3rd jaw 4 just right, the second jaw 3 and the 4th jaw 5 are just to (namely the first jaw 2 is parallel with the sliding trace of the first pedestal 6 or the second pedestal 7 with the line of the 3rd jaw 4.First jaw 2 is parallel with the sliding trace of the first pedestal 6 or the second pedestal 7 with the line of the 3rd jaw 4).Distance between first jaw 2 and the second jaw 3 is corresponding with the side dimension of workpiece, and the distance of the 3rd jaw 4 and the 4th jaw 5 is also corresponding with the side dimension of workpiece.The two ends that one 8 groups, connecting rod comprises two hinged 8 groups, connecting rod 8, connecting rods respectively with the first jaw 2 and the 3rd jaw 4 hinged, the two ends of 8 groups, another connecting rod respectively with the second jaw 3 and the 4th jaw 5 hinged.Jaw and connecting rod 8 line all along connecting rod 8 pin joint is symmetrical, and namely on 8 groups, same connecting rod, the radius of gyration of two connecting rods 8 is equal, measure-alike just to two jaws arranged, and jaw is also identical relative to the position of the first pedestal 6 or the second pedestal 7.
During use, the marginal portion of rectangular workpiece both sides is put on the first pedestal 6 and the second pedestal 7, start cylinder 9, make the first pedestal 6 and the second pedestal 7 close to each other, until four of workpiece angles clamp by the first jaw 2, second jaw 3, the 3rd jaw 4 and the 4th jaw 5.At the first pedestal 6 and the second pedestal 7 in the process of workpiece, two connecting rods 8 on two 8 groups, connecting rods can inwardly rotate, because jaw and connecting rod 8 line all along connecting rod 8 pin joint is symmetrical, therefore the pin joint on connecting rod 8 must be in the midpoint between dual-side, the line of two groups of connecting rod 8 class mid points is the center line of rectangular piece (dotted line namely in Fig. 2).Operating personnel relatively easily can find the center line of rectangular piece.
Above-described is only embodiments of the invention, and in scheme, the general knowledge such as known concrete structure and characteristic does not do too much description at this.Should be understood that; for a person skilled in the art, without departing from the inventive concept of the premise, some distortion and improvement can also be made; these also should be considered as protection scope of the present invention, and these all can not affect effect of the invention process and practical applicability.The protection domain that this application claims should be as the criterion with the content of its claim, and the detailed description of the invention in description etc. record the content that may be used for explaining claim.
Claims (4)
1. the fixed middle clamping device of workpiece, comprise frame and jaw, the end face of frame is Gripping platform, it is characterized in that, also comprise two connection rod set, described jaw comprises the first jaw of rectangular distribution, second jaw, 3rd jaw and the 4th jaw, Gripping platform slidably connects the first pedestal and the second pedestal, the sliding trace of the first pedestal and the second pedestal is positioned on straight line, first pedestal is provided with the first jaw and the second jaw, second pedestal is provided with the 3rd jaw and the 4th jaw, first jaw and the 3rd jaw just right, second jaw and the 4th jaw just right, one connection rod set comprises two hinged connecting rods, the two ends of one connection rod set respectively with the first jaw and the 3rd jaw hinged, the two ends of another connection rod set respectively with the second jaw and the 4th jaw hinged, jaw and the connecting rod line all along connecting rod hinge point is symmetrical.
2. the fixed middle clamping device of workpiece according to claim 1, it is characterized in that, described jaw is hinged on the first pedestal or the second pedestal.
3. the fixed middle clamping device of workpiece according to claim 2, it is characterized in that, also comprise two cylinders, the first pedestal and the second pedestal are respectively by two air cylinder driven.
4. the fixed middle clamping device of workpiece according to claim 3, it is characterized in that, described jaw is L-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510535421.9A CN105033893A (en) | 2015-08-28 | 2015-08-28 | Workpiece centering and clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510535421.9A CN105033893A (en) | 2015-08-28 | 2015-08-28 | Workpiece centering and clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105033893A true CN105033893A (en) | 2015-11-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510535421.9A Pending CN105033893A (en) | 2015-08-28 | 2015-08-28 | Workpiece centering and clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105033893A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105729002A (en) * | 2016-05-08 | 2016-07-06 | 无锡奥特维智能装备有限公司 | Clamping jaw for transporting assemblies to be welded |
| CN107814151A (en) * | 2017-10-26 | 2018-03-20 | 中国农业大学 | A kind of leaf spring formula flexible multi-functional transport frock |
| CN109176337A (en) * | 2018-07-28 | 2019-01-11 | 安徽京冠派克流体科技有限公司 | A kind of processing of cleaning pipette tips is used for rapid fixing |
| CN112008631A (en) * | 2020-08-28 | 2020-12-01 | 芜湖肯昌机电有限公司 | Clamping device is used in production and processing of rectangle automobile parts |
| CN112777244A (en) * | 2020-12-23 | 2021-05-11 | 广州优尼冲压有限公司 | Automobile spare and accessory part preprocessing conveying table |
-
2015
- 2015-08-28 CN CN201510535421.9A patent/CN105033893A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105729002A (en) * | 2016-05-08 | 2016-07-06 | 无锡奥特维智能装备有限公司 | Clamping jaw for transporting assemblies to be welded |
| CN107814151A (en) * | 2017-10-26 | 2018-03-20 | 中国农业大学 | A kind of leaf spring formula flexible multi-functional transport frock |
| CN109176337A (en) * | 2018-07-28 | 2019-01-11 | 安徽京冠派克流体科技有限公司 | A kind of processing of cleaning pipette tips is used for rapid fixing |
| CN112008631A (en) * | 2020-08-28 | 2020-12-01 | 芜湖肯昌机电有限公司 | Clamping device is used in production and processing of rectangle automobile parts |
| CN112777244A (en) * | 2020-12-23 | 2021-05-11 | 广州优尼冲压有限公司 | Automobile spare and accessory part preprocessing conveying table |
| CN112777244B (en) * | 2020-12-23 | 2022-09-23 | 广州优尼冲压有限公司 | Automobile spare and accessory part preprocessing conveying table |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20151111 |
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| WD01 | Invention patent application deemed withdrawn after publication |