CN112091684A - Self-attaching curved surface positioning flexible fixture - Google Patents
Self-attaching curved surface positioning flexible fixture Download PDFInfo
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- CN112091684A CN112091684A CN202010938420.XA CN202010938420A CN112091684A CN 112091684 A CN112091684 A CN 112091684A CN 202010938420 A CN202010938420 A CN 202010938420A CN 112091684 A CN112091684 A CN 112091684A
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- sliding
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- 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
- B23Q3/08—Work-clamping means other than mechanically-actuated
- B23Q3/088—Work-clamping means other than mechanically-actuated using vacuum means
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention provides a self-attaching curved surface positioning flexible clamp which comprises a positioning module, a clamping module and a limiting module, wherein the positioning module is arranged on the clamping module; the positioning module comprises a fixed block, a sliding block and a telescopic bag; the clamping module comprises a sliding rail, a screw rod, a sliding plate, a limiting plate and a rocker; the clamping module comprises a baffle plate, an air pipe, an air storage cavity and a push plate; the self-attaching curved surface positioning flexible clamp is a curved surface which is attached to a workpiece through a strip-shaped air bag, so that the curved surface workpiece is subjected to limiting processing; meanwhile, the effect of quickly and automatically matching curved surfaces can be realized by utilizing the independent strip-shaped air bags, and the use efficiency and the application range of the clamp are greatly improved.
Description
Technical Field
The invention relates to the field of clamps, in particular to a curved surface positioning clamp.
Background
The clamp is a device used for fixing a processing object in the mechanical manufacturing process to enable the processing object to occupy a correct position so as to receive construction or detection; the clamp is generally composed of a positioning element, a clamping device, a tool setting guide element, an indexing device, a connecting element, a clamp body and the like; when an existing clamp clamps a workpiece, the workpiece is required to be clamped stably only if the surface of the workpiece is smooth, so that subsequent machining operation can be performed, and therefore for the workpiece with a curved surface, if the workpiece is clamped in a normal clamping mode, the curved surface of the workpiece is extruded and deformed, so that the workpiece is scrapped; therefore, for a workpiece with a curved surface, a specific clamp is usually needed to clamp and machine the workpiece, and in such a way, a special clamp needs to be customized, so that the machining cost is high, and the clamp needs to be repeatedly positioned when in use, so that the machining efficiency is influenced; in addition, the application range of the special fixture is also low, so that the manufacturing cost is increased when small-batch curved workpieces are processed, special maintenance is required when the fixture is idle, and the use cost is increased; in summary, there are drawbacks.
Disclosure of Invention
Aiming at the problems, the invention aims to provide a self-attaching curved surface positioning flexible clamp which is attached to the curved surface of a workpiece through a strip-shaped air bag, so that the curved surface workpiece is subjected to limiting processing; meanwhile, the effect of quickly and automatically matching curved surfaces can be realized by utilizing the independent strip-shaped air bags, and the use efficiency and the application range of the clamp are greatly improved.
The technical scheme adopted by the invention for solving the technical problem is as follows: the self-attaching curved surface positioning flexible clamp comprises a positioning module, a clamping module and a limiting module; the positioning module comprises a fixed block and a sliding block, the top of the fixed block is provided with exhaust holes distributed in an array manner, the front part of the fixed block is provided with the same number and distribution of air inlets, and the air inlets are communicated with the exhaust holes through an internal cavity; the top of the sliding block is provided with exhaust holes which are the same as the fixed blocks in number and distribution, and the front part of the sliding block is also provided with air inlet holes which are the same as the fixed blocks in number and distribution; the fixed block and the sliding block are transversely arranged, and an air inlet of the fixed block is opposite to an air inlet of the sliding block; the positioning module comprises a telescopic bag, the telescopic bag adopts a strip-shaped air bag, the number of the telescopic bag is arranged corresponding to the number and the positions of the air inlet holes, one end of the telescopic bag is closed, the other end of the telescopic bag is provided with an opening, and the telescopic bag is hermetically arranged on the air inlet end of the air inlet hole through the opening; the clamping module comprises a sliding rail which is arranged at the lower end of the positioning module; the fixed block is fixedly arranged on one side of the sliding track, and the sliding block is assembled on the sliding track in a sliding mode; the clamping module comprises a screw rod, the screw rod is rotatably assembled in the sliding track, a sliding plate is assembled on the screw rod, a threaded hole is formed in the center of the sliding plate, and the top of the sliding plate is fixedly connected with the bottom of the sliding block; a limiting plate is arranged at one end of the sliding track, a limiting hole is formed in the limiting plate, the screw penetrates through the limiting hole and extends out of the sliding track, and a rocker is connected to the part, located on the outer side of the sliding track, of the screw; the clamping module comprises a baffle plate, the baffle plate is fixedly arranged on one side of the fixed block, and the width of the baffle plate is greater than the sum of the widths of the fixed block and the sliding block; the limiting module comprises air pipes, the number of the air pipes is consistent with that of the exhaust holes, one end of each air pipe is hermetically communicated with the exhaust holes, and the other end of each air pipe is hermetically connected with an air storage cavity; the gas storage device is characterized in that a sliding piston is arranged inside the gas storage cavity, one side of the piston is in sealing contact with the gas storage cavity, a push plate is arranged on the other side of the piston, and a limiting block is arranged on the push plate.
Preferably, a suction cup made of a rubber material is arranged at one closed end of the telescopic bag, and the suction direction of the suction cup is consistent with the telescopic direction of the telescopic bag.
Preferably, the push plate is provided with a tension spring, one end of the tension spring is fixedly connected with the side face of the push plate, and the other end of the tension spring is fixedly connected with the side face of the air storage cavity.
Preferably, the telescopic bag and the gas storage cavity are internally provided with cooling liquid, and the cooling liquid is machining cooling liquid.
The invention has the beneficial effects that: when the self-attaching curved surface positioning flexible clamp is used, a user places a workpiece with a curved surface between the fixed block and the sliding block, and then manually rotates the rocker to drive the screw rod to rotate; the screw rod rotates to drive the sliding plate to slide, so that the sliding block is driven to move; along with the movement of the sliding block, the telescopic bags on the fixed block and the sliding block are gradually contacted with the curved surface of the workpiece until the telescopic bags attach and clamp the two sides of the workpiece, so that the function of automatic attachment and positioning is achieved; along with the contraction of the telescopic bag, the gas in the telescopic bag is gradually pressed into the gas storage cavity, so that the piston moves; when the push plate is limited by the limiting block, the telescopic bag does not shrink any more, and the workpiece is clamped at the moment, so that the function of automatically clamping the curved surface is achieved; at the moment, one side of the workpiece is limited by the baffle plate, so that a user can cut and process the workpiece from the other side; after the workpiece is machined, the user reversely rotates the rocker, the workpiece can be withdrawn, and meanwhile, the push plate is manually pressed, so that the telescopic bag can be reset, and the workpiece can be clamped again for use.
Drawings
FIG. 1 is a front view of the self-conforming curved positioning flexible fixture of the present invention.
FIG. 2 is a front view of the self-attaching curved positioning flexible fixture of the present invention during clamping.
FIG. 3 is a front view of the self-attaching curved positioning flexible fixture limiting module of the present invention during extension.
FIG. 4 is a front view of the self-conforming curved positioning flexible fixture spacing module of the present invention as it contracts.
Detailed Description
The invention is further illustrated with reference to the following figures and examples:
as shown in the embodiments of fig. 1, 2, 3 and 4, the self-attaching curved surface positioning flexible fixture is a curved surface which is attached to a workpiece through a strip-shaped air bag, so that the curved surface workpiece is limited; meanwhile, the device can realize the effect of quickly and automatically matching curved surfaces by utilizing the independent strip-shaped air bag, greatly improves the use efficiency and the application range of the clamp, and comprises a positioning module 1, a clamping module 2 and a limiting module 3; the positioning module 1 comprises a fixed block 11 and a sliding block 111, wherein the top of the fixed block 11 is provided with exhaust holes distributed in an array manner, the front part of the fixed block 11 is provided with the same number and distribution of air inlets, and the air inlets are communicated with the exhaust holes through an internal cavity; the top of the sliding block 111 is provided with the exhaust holes which are the same as the fixed block 11 in number and distribution, and the front part of the sliding block is also provided with the air inlets which are the same as the fixed block 11 in number and distribution; the fixed block 11 and the sliding block 111 are transversely arranged, and an air inlet of the fixed block 11 is opposite to an air inlet of the sliding block 111; the positioning module 1 comprises a telescopic bag 12, the telescopic bag 12 is a strip-shaped air bag, the number of the telescopic bag 12 corresponds to the number and the position of the air inlet holes, one end of the telescopic bag 12 is closed, the other end of the telescopic bag is provided with an opening, and the telescopic bag 12 is hermetically installed on the air inlet end of the air inlet hole through the opening; the clamping module 2 comprises a sliding rail which is arranged at the lower end of the positioning module 1; the fixed block 11 is fixedly installed at one side of the sliding track, and the sliding block 111 is assembled on the sliding track in a sliding manner; the clamping module 2 comprises a screw rod 21, the screw rod 21 is rotatably assembled in the sliding track, a sliding plate is assembled on the screw rod 21, a threaded hole is formed in the center of the sliding plate, and the top of the sliding plate is fixedly connected with the bottom of the sliding block 111; a limiting plate is arranged at one end of the sliding track, a limiting hole is formed in the limiting plate, the screw 21 penetrates through the limiting hole and extends out of the sliding track, and a rocker is connected to the part, located on the outer side of the sliding track, of the screw 21; the clamping module 2 comprises a baffle 22, the baffle 22 is fixedly installed on one side of the fixed block 11, and the width of the baffle 22 is greater than the sum of the widths of the fixed block 11 and the sliding block 111; the limiting module 3 comprises air pipes 31, the number of the air pipes 31 is the same as that of the exhaust holes, one end of each air pipe 31 is hermetically communicated with the exhaust hole, and the other end of each air pipe 31 is hermetically connected with an air storage cavity; the gas storage device is characterized in that a sliding piston is arranged in the gas storage cavity, one side of the piston is in sealing contact with the gas storage cavity, the other side of the piston is provided with a push plate 32, and a limit block is arranged on the push plate 32.
When the self-attaching curved surface positioning flexible clamp is used, a user places a workpiece with a curved surface between the fixed block 11 and the sliding block 111, and then manually rotates the rocker to drive the screw rod 21 to rotate; the screw 21 rotates to drive the sliding plate to slide, so that the sliding block 111 is driven to move; along with the movement of the sliding block 111, the telescopic bag 12 on the fixed block 11 and the telescopic bag 12 of the sliding block 111 gradually contact with the curved surface of the workpiece until the telescopic bag 12 fits and clamps the two sides of the workpiece, so that the function of automatic fitting and positioning is achieved; as the bellows 12 contracts, the gas inside the bellows 12 is gradually pressed into the gas storage cavity, so that the piston moves; when the push plate 32 is limited by the limiting block, the telescopic bag 12 does not shrink any more, and the workpiece is clamped at the moment, so that the function of automatically clamping a curved surface is achieved; at the moment, one side of the workpiece is limited by the baffle plate 22, so that a user can cut and process the workpiece from the other side; after the workpiece is machined, the user reversely rotates the rocker to withdraw the workpiece, and manually presses the push plate 32 to reset the bellows 12 so as to clamp the workpiece again.
As shown in fig. 1, a suction cup 121 made of a rubber material is disposed at a closed end of the bellows 12, and a suction direction of the suction cup 121 coincides with an expansion and contraction direction of the bellows 12. When the bellows 12 is attached to a workpiece, the suction cup 121 can be attracted to the side surface of the workpiece to increase the friction force, thereby further improving the firmness of the workpiece during clamping.
As shown in fig. 3, a tension spring is arranged on the push plate 32, one end of the tension spring is fixedly connected with the outer side surface of the push plate 32, and the other end of the tension spring is fixedly connected with the outer side surface of the gas storage cavity. When the user withdraws from the workpiece, the tension spring can drive the push plate 32 to reset, so that the telescopic bag 12 is reset quickly, and the workpiece clamping efficiency is further improved.
As shown in fig. 1 and 2, a coolant is provided inside the bellows 12 and the gas storage chamber, and the coolant is a machining coolant. The cooling liquid can further enhance the stability of workpiece clamping, and can absorb the heat generated during the processing of the workpiece, thereby further improving the processing quality of the workpiece.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, but rather as the subject matter of the invention is to be construed in all aspects and as broadly as possible, and all changes, equivalents and modifications that fall within the true spirit and scope of the invention are therefore intended to be embraced therein.
Claims (4)
1. The utility model provides a from laminating curved surface location flexible clamp, it includes orientation module (1), presss from both sides tight module (2) and spacing module (3), its characterized in that: the positioning module (1) comprises a fixed block (11) and a sliding block (111), wherein the top of the fixed block (11) is provided with exhaust holes distributed in an array manner, the front part of the fixed block is provided with the same number and distribution of air inlets, and the air inlets are communicated with the exhaust holes through an internal cavity channel; the top of the sliding block (111) is provided with exhaust holes which are the same as the fixed block (11) in number and distribution, and the front part of the sliding block is also provided with air inlet holes which are the same as the fixed block (11) in number and distribution; the fixed block (11) and the sliding block (111) are transversely arranged, and an air inlet of the fixed block (11) is opposite to an air inlet of the sliding block (111); the positioning module (1) comprises a telescopic bag (12), the telescopic bag (12) uses a strip-shaped air bag, the number of the telescopic bag (12) is set corresponding to the number and the position of the air inlet holes, one end of the telescopic bag (12) is closed, the other end of the telescopic bag is set to be an opening, and the telescopic bag (12) is hermetically installed on the air inlet end of the air inlet hole through the opening; the clamping module (2) comprises a sliding track which is arranged at the lower end of the positioning module (1); the fixed block (11) is fixedly arranged on one side of the sliding track, and the sliding block (111) is assembled on the sliding track in a sliding mode; the clamping module (2) comprises a screw rod (21), the screw rod (21) is rotatably assembled in the sliding track, a sliding plate is assembled on the screw rod (21), a threaded hole is formed in the center of the sliding plate, and the top of the sliding plate is fixedly connected with the bottom of the sliding block (111); a limiting plate is arranged at one end of the sliding track, a limiting hole is formed in the limiting plate, the screw (21) penetrates through the limiting hole and extends out of the sliding track, and a rocker is connected to the part, located on the outer side of the sliding track, of the screw (21); the clamping module (2) comprises a baffle (22), the baffle (22) is fixedly installed on one side of the fixed block (11), and the width of the baffle (22) is larger than the sum of the widths of the fixed block (11) and the sliding block (111); the limiting module (3) comprises air pipes (31), the number of the air pipes (31) is consistent with that of the exhaust holes, one end of each air pipe (31) is communicated with the exhaust holes in a sealing mode, and the other end of each air pipe (31) is connected with an air storage cavity in a sealing mode; the gas storage device is characterized in that a sliding piston is arranged in the gas storage cavity, one side of the piston is in sealing contact with the gas storage cavity, the other side of the piston is provided with a push plate (32), and a limit block is arranged on the push plate (32).
2. The self-conforming curved positioning flexible fixture of claim 1, further comprising: the one end that flexible bag (12) was sealed is provided with sucking disc (121) of rubber materials preparation, the direction of attraction of sucking disc (121) with the flexible direction of flexible bag (12) is unanimous.
3. The self-conforming curved positioning flexible fixture of claim 1, further comprising: the push plate (32) is provided with a tension spring, one end of the tension spring is fixedly connected with the outer side surface of the push plate (32), and the other end of the tension spring is fixedly connected with the outer side surface of the air storage cavity.
4. The self-conforming curved positioning flexible fixture of claim 1, further comprising: and cooling liquid is arranged in the telescopic bag (12) and the gas storage cavity, and the cooling liquid is machining cooling liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010938420.XA CN112091684B (en) | 2020-09-09 | 2020-09-09 | Self-attaching curved surface positioning flexible clamp |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010938420.XA CN112091684B (en) | 2020-09-09 | 2020-09-09 | Self-attaching curved surface positioning flexible clamp |
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| CN112091684A true CN112091684A (en) | 2020-12-18 |
| CN112091684B CN112091684B (en) | 2023-08-08 |
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| CN202010938420.XA Active CN112091684B (en) | 2020-09-09 | 2020-09-09 | Self-attaching curved surface positioning flexible clamp |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112809283A (en) * | 2021-01-25 | 2021-05-18 | 朱勇杰 | Repair welding device for automobile engine compartment |
| CN115106894A (en) * | 2022-06-27 | 2022-09-27 | 江苏奥力新材料股份有限公司 | Production process of advertising cloth and polishing device thereof |
| CN117921414A (en) * | 2024-03-21 | 2024-04-26 | 常州明全机械有限公司 | Work piece fixing device is used in intelligent milling process |
| CN117961790A (en) * | 2024-03-29 | 2024-05-03 | 泰州市凯辉金属制品有限公司 | Stainless steel section shot blasting machine |
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| CN105179358A (en) * | 2015-08-06 | 2015-12-23 | 重庆煜琨珑冶金材料有限公司 | Multi-station balanced pressing mechanism for gas-liquid conversion cylinder |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115106894A (en) * | 2022-06-27 | 2022-09-27 | 江苏奥力新材料股份有限公司 | Production process of advertising cloth and polishing device thereof |
| CN117921414A (en) * | 2024-03-21 | 2024-04-26 | 常州明全机械有限公司 | Work piece fixing device is used in intelligent milling process |
| CN117921414B (en) * | 2024-03-21 | 2024-06-04 | 常州明全机械有限公司 | Work piece fixing device is used in intelligent milling process |
| CN117961790A (en) * | 2024-03-29 | 2024-05-03 | 泰州市凯辉金属制品有限公司 | Stainless steel section shot blasting machine |
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|---|---|
| CN112091684B (en) | 2023-08-08 |
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