CN107139101B - Flexible self-locking clamping device - Google Patents
Flexible self-locking clamping device Download PDFInfo
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- CN107139101B CN107139101B CN201710468939.4A CN201710468939A CN107139101B CN 107139101 B CN107139101 B CN 107139101B CN 201710468939 A CN201710468939 A CN 201710468939A CN 107139101 B CN107139101 B CN 107139101B
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- clamping
- groove
- rotating shaft
- spring
- guide rod
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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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- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
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Abstract
The invention belongs to the design of a clamping tool for pressure contact articles, and particularly relates to a flexible self-locking clamping device, which comprises components such as a clamping groove, a rotating shaft, a guide rod, a spring and the like, wherein the clamping groove comprises: the two clamping blocks wind the rotating shaft in a rotating fit mode, the bottom of the clamping groove is provided with the mounting hole of the rotating shaft, and the two ends of the guide rod are connected with the rotating shaft and the spring respectively in the vertical direction and used for controlling the clamping state of the clamping blocks on the workpiece. The assembling type is characterized in that the clamping groove is changed into an assembling body, and the assembling type is large in opening and large in initial assembling clearance, so that the assembling difficulty is greatly reduced, the manufacturing precision is reduced, the manufacturing is simple, and the cost is low; the clamping device is simple to operate, high in efficiency, good in clamping effect, and capable of flexibly clamping and preventing the clamped workpiece from being damaged.
Description
Technical Field
The invention belongs to the design of a clamping tool for pressure contact objects, and particularly relates to a flexible self-locking clamping device.
Background
At present, a gapless clamping device is widely applied, but the design and the manufacture of a tool, the specific operation and the final clamping effect are very difficult or complicated to realize. Firstly, in manufacturing, the clamping device and a clamped product or a workpiece need higher manufacturing precision to meet the requirement of final gapless clamping. Secondly, in the actual operation, the clamping device generally has a small clearance, or a contact surface with a slight inclination is adopted, so that great trouble is brought to the actual operation on site. Because the clearance is too small, the clamped object can be placed into the clamping device only by repeatedly aligning and adjusting the clamped object on the assembly decoration. Therefore, the clamping tool has high design requirement and high manufacturing cost; and the assembly efficiency is also low.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the flexible self-locking clamping device which is simple to operate, high in efficiency, good in clamping effect, simple to manufacture and low in cost.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
the invention provides a flexible self-locking clamping device, which comprises: draw-in groove, pivot, guide arm and spring, its characterized in that, wherein, the draw-in groove includes: the two clamping blocks wind the rotating shaft in rotating fit, the bottom of the clamping groove is provided with the mounting hole of the rotating shaft, and the two ends of the guide rod are respectively connected with the rotating shaft and the spring along the vertical direction and used for controlling the clamping state of the clamping blocks on the workpiece.
Further, the method also comprises the following steps: the guide rod and the spring are located in the groove.
Furthermore, the top end of the guide rod extends to the upper part of the mounting plate and is connected with the rotating shaft, the bottom end of the guide rod is connected with the top end of the spring through the stop block, and the bottom end of the spring is connected with the bottom surface of the groove.
Furthermore, the mounting hole is positioned in the middle of the clamping groove, so that the clamping force of the two clamping blocks to the workpiece is the same.
Further, the method also comprises the following steps: the two limiting pins are respectively and symmetrically arranged at the upper parts of the two sides of the mounting plate and are respectively positioned below the two clamping blocks, and when a workpiece falls and is clamped in the clamping groove, the clamping blocks are limited; the cover plate is used for sealing and locking the mounting plate.
Furthermore, the edge of the cover plate is provided with a protrusion, the edge of the mounting plate is provided with a groove in matched connection with the protrusion, and a sealing strip is arranged in the groove.
The invention at least comprises the following beneficial effects: the assembling type is characterized in that the clamping groove is changed into an assembling body, and the assembling type is large in opening and large in initial assembling clearance, so that the assembling difficulty is greatly reduced, the manufacturing precision is reduced, the manufacturing is simple, and the cost is low; the flexible clamping device is simple to operate, high in efficiency, good in clamping effect and free of damage to clamped workpieces, and the flexible clamping is achieved.
Drawings
Fig. 1 is a schematic structural view of the chucking device of the present invention.
Fig. 2 is a schematic structural view of the chucking device of the present invention before assembly.
Fig. 3 is a schematic view showing the assembled structure of the chucking device of the present invention.
The clamping device comprises a workpiece 1, a rotating shaft 2, a clamping groove 3, a clamping block 301, a limiting pin 4, a guide rod 5, a mounting plate 6, a groove 601, a spring 7 and a stop block 8.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to specific examples. The following examples are illustrative only and are not to be construed as limiting the invention. The examples, where specific techniques or conditions are not indicated, are to be construed according to the techniques or conditions described in the literature in the art or according to the product specifications.
The invention provides a flexible self-locking clamping device, according to an embodiment of the invention, fig. 1 is a schematic structural diagram of the clamping device of the invention, and as shown in fig. 1, the flexible self-locking clamping device comprises: the device comprises a clamping groove 3, a rotating shaft 2, a guide rod 5, a spring 7, a limiting pin 4, a mounting plate 6, a groove 601 and a stop block 8; according to some embodiments of the invention, the chucking device further comprises: the apron, the apron edge is equipped with the arch, the mounting panel edge be equipped with the recess that the protruding cooperation is connected be equipped with the sealing strip in the recess, the apron is used for right the mounting panel seals locking, and easy dismounting.
According to the embodiment of the invention, as shown in fig. 1, the clamping groove is formed by splicing two clamping blocks 301 with the same structure, a mounting hole of the rotating shaft is arranged in the middle of the bottom of the clamping groove, the two clamping blocks are in rotating fit around the rotating shaft, the clamping forces of the two clamping blocks on a workpiece are the same, and when the workpiece 1 is placed in the clamping groove, the self gravity of the workpiece acts on the rotating shaft to enable the two clamping blocks to rotate around the rotating shaft towards the middle to shrink and clamp the workpiece.
According to some embodiments of the present invention, the inner walls of the two sides of the slot may be vertical planes, inclined planes, or vertical curved surfaces or inclined curved surfaces.
According to another embodiment of the invention, the inner walls of the two sides of the clamping groove are provided with uneven protrusions, and the protrusions are preferably arranged on the lower half part of the inner wall and used for increasing friction force, so that the clamping force of the clamping block on a workpiece is greatly improved, and the clamping effect of the clamping device is improved.
According to the embodiment of the invention, referring to fig. 1, a groove is formed in the middle of the mounting plate, the guide rod and the spring are vertically located in the groove, specifically, the top end of the guide rod extends to the upper side of the mounting plate and is connected with the rotating shaft, the bottom end of the guide rod is connected with the top end of the spring through the stop block, and the bottom end of the spring is connected with the bottom surface of the groove; fig. 3 is a schematic structural view of the clamping device of the present invention after assembly, and as shown in fig. 3, when a workpiece is slowly placed in the clamping groove, the self-gravity of the clamped workpiece is utilized to act on the rotating shaft of the clamping device, the rotating shaft drives the guide rod and the two clamping blocks to fall, the state of the clamping blocks is controlled by the spring, and further, the clamping state of the workpiece is effectively controlled, the operation is simple, and the clamping effect is good.
According to an embodiment of the invention, referring to fig. 1, two limiting pins are respectively and symmetrically arranged at the upper parts of two sides of the mounting plate and are respectively positioned below two clamping blocks, specifically, one end of each limiting pin is positioned in the mounting plate, and the other end extends to the upper part of the mounting plate, referring to fig. 3, when a workpiece falls and is clamped in the clamping groove, the two clamping blocks rotate towards the middle around a rotating shaft until the inner wall of the clamping block contacts with the workpiece, and the two clamping blocks stop rotating under the action of the limiting pins to limit and support the clamping blocks.
According to some embodiments of the invention, the distance between the limit pin and the clamping block is set according to the clamping state, so that the clamping effect is optimal.
The inventor finds that according to the flexible self-locking clamping device, the clamping groove is changed into an assembly body, and the assembly type is large in opening and initial assembly clearance, so that the assembly difficulty is greatly reduced, the manufacturing precision is reduced, the manufacturing is simple, and the cost is low; the clamping device is simple to operate, high in efficiency, good in clamping effect, and capable of flexibly clamping and preventing the clamped workpiece from being damaged.
In the present invention, unless otherwise expressly stated or limited, the terms "connected" and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Moreover, various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without being mutually inconsistent.
Although embodiments of the present invention have been shown and described, it should be understood that they have been presented by way of example only, and not limitation, and that various changes, modifications, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (3)
1. A flexible self-locking clamping device comprising: draw-in groove, pivot, guide arm and spring, its characterized in that, wherein, the draw-in groove includes: the two clamping blocks are matched with each other in a rotating mode around the rotating shaft, the bottom of each clamping groove is provided with an installation hole of the rotating shaft, and the two ends of each guide rod are respectively connected with the rotating shaft and the spring in the vertical direction and used for controlling the clamping state of the clamping blocks on a workpiece;
further comprising: the guide rod and the spring are positioned in the groove;
the two limiting pins are symmetrically arranged at the upper parts of the two sides of the mounting plate respectively and are positioned below the two clamping blocks respectively, and when a workpiece falls and is clamped in the clamping grooves, the clamping blocks are limited;
the cover plate is used for sealing and locking the mounting plate, a first bulge is arranged at the edge of the cover plate, a first groove matched and connected with the first bulge is arranged at the edge of the mounting plate, and a sealing strip is arranged in the first groove;
the inner walls of the two sides of the clamping groove are provided with second protrusions, and the second protrusions are arranged on the lower half portion of the inner wall.
2. A flexible self-locking clamping device according to claim 1, wherein the top end of the guide rod extends above the mounting plate and is connected to the rotating shaft, the bottom end of the guide rod is connected to the top end of the spring through the stopper, and the bottom end of the spring is connected to the bottom surface of the groove.
3. The flexible self-locking clamping device according to claim 1, wherein the mounting hole is located in the middle of the clamping groove, so that the clamping forces of the two clamping blocks on the workpiece are the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710468939.4A CN107139101B (en) | 2017-06-20 | 2017-06-20 | Flexible self-locking clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710468939.4A CN107139101B (en) | 2017-06-20 | 2017-06-20 | Flexible self-locking clamping device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107139101A CN107139101A (en) | 2017-09-08 |
| CN107139101B true CN107139101B (en) | 2023-01-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710468939.4A Active CN107139101B (en) | 2017-06-20 | 2017-06-20 | Flexible self-locking clamping device |
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| CN (1) | CN107139101B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108274418B (en) * | 2018-04-13 | 2020-04-21 | 东莞市九骏精密机械设备有限公司 | Gas cap installation mounting fixture |
| CN109176351B (en) * | 2018-10-12 | 2020-12-04 | 杭州龚舒科技有限公司 | Material fixing device for machining with self-locking function |
| CN109944847A (en) * | 2019-03-30 | 2019-06-28 | 共享智能装备有限公司 | A kind of clamping fastener suitable for the multiple mould parts of fixation |
| CN110682234A (en) * | 2019-10-24 | 2020-01-14 | 嘉兴日正五金制造有限公司 | Clamping device is used in domestic electric power utensil production |
| CN111536380A (en) * | 2020-05-16 | 2020-08-14 | 成都八保舟汽车服务有限公司 | Store flow collecting device for automobile new retail and using method thereof |
| CN111687773B (en) * | 2020-06-24 | 2022-08-26 | 东风本田发动机有限公司 | Roller rocker arm mounting fixture |
| CN112548765B (en) * | 2020-12-01 | 2022-05-13 | 东莞市晶辰光学有限公司 | Optical glass piece is polished and is held clamping device tightly with self-adaptation |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200967182Y (en) * | 2006-11-24 | 2007-10-31 | 中国南车集团铜陵车辆厂 | Clamp |
| CN101712150B (en) * | 2009-11-23 | 2011-08-31 | 凯迈（洛阳）测控有限公司 | Mechanical product assembly stand |
| CN202507200U (en) * | 2012-04-16 | 2012-10-31 | 安联(郑州)工程机械有限公司 | Floating type pressure self-locking holding device for shaft parts |
| CN203873781U (en) * | 2014-05-16 | 2014-10-15 | 于钦密 | CT bed capable of clamping head of patient automatically |
| CN206825273U (en) * | 2017-06-20 | 2018-01-02 | 宁夏共享模具有限公司 | A kind of gripping mechanism of flexible self-locking |
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2017
- 2017-06-20 CN CN201710468939.4A patent/CN107139101B/en active Active
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| CN107139101A (en) | 2017-09-08 |
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Address after: 298, ningshuo South Street, Yinchuan economic and Technological Development Zone, Ningxia Hui Autonomous Region Applicant after: KOCEL INTELLIGENT EQUIPMENT Co.,Ltd. Address before: 750021 Yinchuan, the Ningxia Hui Autonomous Region Xixia District ningshuo South Street No. 298 Applicant before: NINGXIA KOCEL PATTERN Co.,Ltd. |
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Effective date of registration: 20221206 Address after: 750021 550 Beijing West Road, Xixia District, Yinchuan, the Ningxia Hui Autonomous Region Applicant after: KOCEL MACHINERY Ltd. Address before: 298, ningshuo South Street, Yinchuan economic and Technological Development Zone, Ningxia Hui Autonomous Region Applicant before: KOCEL INTELLIGENT EQUIPMENT Co.,Ltd. |
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