CN111168596B - Pneumatic clamp device with sensor control - Google Patents
Pneumatic clamp device with sensor control Download PDFInfo
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- CN111168596B CN111168596B CN201910963504.6A CN201910963504A CN111168596B CN 111168596 B CN111168596 B CN 111168596B CN 201910963504 A CN201910963504 A CN 201910963504A CN 111168596 B CN111168596 B CN 111168596B
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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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Abstract
The invention relates to the field of automatic control of weighing sensor production, in particular to a pneumatic clamp device with sensor control. The utility model provides a take sensor control's air jig device, includes lower plate and upper plate, lower plate and upper plate between connect through the stand, the upper plate on install the cylinder, the piston rod of cylinder pass and be connected with the roof behind the upper plate, the lower plate on be provided with the sensor that is used for measuring the clamp force that is pressed from both sides the object by the clamp, the sensor on be provided with the clamp plate that is used for placing the object by the clamp. The invention has high production efficiency and low cost, and is beneficial to mass production of the sensor.
Description
Technical Field
The invention relates to the field of automatic control of weighing sensor production, in particular to a pneumatic clamp device with sensor control.
Background
In the production process of the weighing sensor, after the strain gauge is pasted and clamped by a standard clamping force value, the strain gauge enters a high-temperature oven for solidification, the currently used clamps are mostly used for clamping a spring clamp by using one sensor, and a part of the currently used clamps are used for a simple solidification clamping cushion block without a spring control force value.
For example, Chinese patent publication numbers are: CN204724885U, an interior clamp type spring clamp announced in 2015 10, month 28, which belongs to the technical field of machining clamps. The inner clamping type spring clamp comprises a clamping head and a clamping rod, wherein the lower part of the clamping head is fixed on a machining table of a machine tool, the upper part of the clamping head comprises at least two spring pieces matched with the shapes of a pull head at the upper end of the clamping rod, the clamping rod comprises a pull head at the upper end and a pull rod at the lower end, the pull rod penetrates through the clamping head and is connected to an axial power mechanism in the machining table, and the axial power mechanism applies pressure to the pull rod to enable the spring pieces to expand outwards to clamp a workpiece. Although the inner clamping type spring clamp cannot damage the surface of a product, the clamp is low in production efficiency and high in cost, and mass production of the sensor is not facilitated.
Disclosure of Invention
The invention mainly aims at solving the problems that the existing clamp has low production efficiency and high cost and is not beneficial to mass production of sensors, and provides the pneumatic clamp device with the sensor control, which has high production efficiency and low cost and is beneficial to mass production of the sensors.
The purpose of the invention is mainly realized by the following scheme: the utility model provides a take sensor control's air jig device, includes lower plate and upper plate, lower plate and upper plate between connect through the stand, the upper plate on install the cylinder, the piston rod of cylinder pass and be connected with the roof behind the upper plate, the lower plate on be provided with the sensor that is used for measuring the clamp force that is pressed from both sides the object by the clamp, the sensor on be provided with the clamp plate that is used for placing the object by the clamp. The lower bottom plate is connected with the upper bottom plate through the stand column, the cylinder is installed on the upper bottom plate, a piston rod of the cylinder is connected with the top plate after penetrating through the upper bottom plate, a sensor used for measuring the clamping force applied to a clamped object is arranged on the lower bottom plate, a pressing plate used for placing the clamped object is arranged on the sensor, the top plate is pressed tightly to the clamped object through the descending of the piston rod on the cylinder, the clamping force value of the top plate is controlled by the output force value of the sensor, the clamping force applied to the clamped object can be adjusted and controlled along with the output force value of the sensor, the production efficiency is improved, and the mass production of.
Preferably, guide rods are installed on two sides of the top plate, and the guide rods penetrate through the top plate and are in sliding connection with the top plate. Guide rods are installed on two sides of the top plate and penetrate through the top plate and are in sliding connection with the top plate, and the top plate is guaranteed to move along the direction of the guide rods in the lifting process.
Preferably, the number of the upright posts is four. The quantity of stand is four, connects fixedly through four stands between upper plate and the lower plate, and stability is good.
Preferably, the pressing plate is provided with a clamping device for preventing the clamped object from deviating, the clamping device comprises a clamping shell, a clamping groove for placing the clamped object is formed in the clamping shell, an air storage shell is arranged in the clamping shell, an air cavity is formed in the air storage shell, a piston is arranged in the air cavity, a translation rod extending to the clamping groove is connected to the piston, a clamping block is arranged at one end, away from the piston, of the translation rod, a guide arc surface matched with the clamped object is arranged at one side, away from the translation rod, of the clamping block, an air outlet communicated with the air cavity is formed in one end, away from the translation rod, of the air storage shell, a clamping air bag is arranged on the clamping shell along the side wall of the clamping groove, and the clamping air bag is connected with the air outlet through an air guide tube. The clamping device comprises a clamping shell, a clamping groove for placing the clamped object is arranged on the clamping shell, an air storage shell is arranged in the clamping shell, an air cavity is arranged in the air storage shell, a piston is arranged in the air cavity, a translation rod extending to the clamping groove is connected to the piston, a clamping block is arranged at one end of the translation rod, far away from the piston, a guide arc surface matched with the clamped object is arranged at one side of the clamping block, far away from the translation rod, an air outlet hole communicated with the air cavity is arranged at one end of the air storage shell, far away from the translation rod, the clamping shell is provided with the clamping air bag along the side wall of the clamping groove, the clamping air bag is connected with the air outlet hole through the air guide tube, when the clamping shell is produced, a clamped object is placed in the clamping groove and is abutted against the guide arc surface, then the clamping block is stressed to drive the translation rod and the piston to move in the air cavity, when the piston moves, gas in the air cavity can be squeezed into the clamping air bag through the air guide tube, so that the clamping air bag expands and clamps the clamped object, and the clamped object can be prevented from being deviated when being clamped by the top plate through the double clamping action of the clamping block and the clamping air bag, so that the accuracy of clamping force output is ensured, the production quality is improved, and the arrangement of the clamping air bag can adapt to clamped objects of different specifications; the clamping blocks and the gas storage shell can be arranged in a plurality along the peripheral direction of the side wall of the clamping groove, so that the stability of the clamped object in production and processing is effectively ensured.
Preferably, a return spring is connected between one end of the piston, which is far away from the translation rod, and the side wall of the air cavity. The piston is connected with reset spring between the one end of keeping away from the translation pole and the lateral wall of air cavity, and reset spring's setting can make fixture block automatic re-setting after having processed by the clamp object and breaking away from the chucking groove to help in time carrying out the processing operation of next product, the practicality is strong.
Preferably, the clamping air bag is arranged on one side of the fixture block away from the sensor. The clamping air bag is arranged on one side, far away from the sensor, of the clamping block, so that a clamped object can firstly penetrate through the clamping air bag when being placed into the clamping groove and then is supported on the clamping block, and the clamping air bag is prevented from expanding at first and leading to the fact that the clamped object is not easily placed into the clamping groove.
Preferably, the sensor is a weighing load cell. The sensor is a weighing force measuring sensor, the use is convenient, and the accuracy of an output value is high.
Preferably, a cushion block is arranged between the sensor and the lower bottom plate. A cushion block is arranged between the sensor and the lower bottom plate, so that the sensor is convenient to mount.
Therefore, the pneumatic clamp device with sensor control of the invention has the following advantages: the clamping device is simple in structure, controlled by the air cylinder and the sensors, accurate in clamping force value, capable of clamping a plurality of sensors by using one set of clamp through clamping force between the top plate and the pressing plate, high in production efficiency, low in investment cost, capable of preventing a clamped object from shifting during machining and capable of improving accuracy of output clamping force.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a right side view of the present invention.
Fig. 3 is a schematic view of the construction of the chucking device of the present invention.
Illustration of the drawings: 1-sensor, 2-pressing plate, 3-clamping device, 4-top plate, 5-guide rod, 6-cylinder, 7-upper bottom plate, 8-upright post, 9-lower bottom plate, 10-cushion block, 11-clamping shell, 12-air cavity, 13-clamping block, 14-guide arc surface, 15-translation rod, 16-piston, 17-reset spring, 18-air storage shell, 19-air outlet hole, 20-air duct, 21-clamping air bag and 22-clamping groove.
Detailed Description
The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.
Example 1:
as shown in figure 1 of the drawings, in which, 2 it is shown, a take pneumatic fixture device of sensor 1 control, including lower plate 9 and upper plate 7, connect through stand 8 between lower plate 9 and the upper plate 7, install cylinder 6 on the upper plate 7, be connected with roof 4 after the piston 16 pole of cylinder 6 passes upper plate 7, be provided with the sensor 1 that is used for measuring the clamp force that the object that is pressed from both sides receives on the lower plate 9, sensor 1 is weighing force cell sensor 1, high in use, output value's accuracy, be provided with the clamp plate 2 that is used for placing the object that is pressed from both sides on the sensor 1, roof 4 descends through the piston 16 pole on the cylinder 6 and compresses tightly the object that is pressed from both sides, obtain the clamp force value that sensor 1 output value comes control roof 4, the clamp force size that the object that is pressed from both sides receives along with the adjustable and control of the size of sensor 1 output value, thereby production efficiency is improved, be favorable to sensor.
The clamp plate 2 is provided with a clamping device 3 for preventing the clamped object from deviating, the clamped object may deviate when being clamped by the top plate 4, so that the output of the clamping force is inaccurate, the clamped object may have different sizes and shapes due to different specifications, and no suitable device for preventing the clamped object from deviating exists in the market at present, as shown in fig. 3, the clamping device 3 comprises a clamping housing 11, a clamping groove 22 for placing the clamped object is provided on the clamping housing 11, an air storage housing 18 is provided in the clamping housing 11, an air chamber 12 is provided in the air storage housing 18, a piston 16 is provided in the air chamber 12, a translation rod 15 extending to the clamping groove 22 is connected to the piston 16, a clamping block 13 is provided at one end of the translation rod 15, which is far away from the piston 16, a guide arc surface 14 matched with the clamped object is provided at one side of the clamping block 13, which is far away from the translation rod 15, an air outlet 19 communicated with the air cavity 12 is arranged at one end of the air storage shell 18 far away from the translation rod 15, a clamping air bag 21 is arranged on the clamping shell 11 along the side wall of a clamping groove 22, the clamping air bag 21 is connected with the air outlet 19 through an air duct 20, during production, the clamped object is placed in the clamping groove, the clamped object is pressed against the guide cambered surface 14, then the fixture block 13 is stressed to drive the translation rod 15 and the piston 16 to move in the air cavity 12, when the piston 16 moves, the air in the air cavity 12 can be squeezed into the clamping air bag 21 through the air duct 20, thereby expanding the clamping air bag 21 and clamping the clamped object, preventing the clamped object from shifting when being clamped by the top plate 4 through the double clamping action of the clamping block 13 and the clamping air bag 21, therefore, the accuracy of clamping force output is ensured, the production quality is improved, and the clamping air bag 21 can adapt to clamped objects of different specifications; a plurality of clamping blocks 13 and a plurality of gas storage shells 18 can be arranged along the peripheral direction of the side wall of the clamping groove 22, so that the stability of the clamped object during production and processing is effectively ensured.
A return spring 17 is connected between one end of the piston 16, which is far away from the translation rod 15, and the side wall of the air cavity 12, and the return spring 17 is arranged to enable the fixture block 13 to automatically reset after the clamped object is machined and separated from the clamping groove 22, so that the machining operation of the next product is facilitated, and the practicability is high.
The clamping air bag 21 is arranged on one side, far away from the sensor 1, of the fixture block 13, so that a clamped object can firstly penetrate through the clamping air bag 21 when being placed in the clamping groove 22 and then abuts against the fixture block 13, and the clamping air bag 21 is prevented from being expanded in one step firstly to prevent the clamped object from being placed in the clamping groove 22 difficultly.
A cushion block 10 is arranged between the sensor 1 and the lower bottom plate 9, so that the sensor 1 can be conveniently installed.
It should be understood that this example is only for illustrating the present invention and is not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.
Claims (7)
1. A pneumatic clamp device controlled by a sensor comprises a lower bottom plate and an upper bottom plate, and is characterized in that the lower bottom plate is connected with the upper bottom plate through a stand column, a cylinder is installed on the upper bottom plate, a piston rod of the cylinder penetrates through the upper bottom plate and then is connected with a top plate, the lower bottom plate is provided with the sensor for measuring the clamping force applied to a clamped object, and the sensor is provided with a pressing plate for placing the clamped object; the clamping device comprises a clamping shell, a clamping groove for placing a clamped object is formed in the clamping shell, a gas storage shell is arranged in the clamping shell, a gas cavity is formed in the gas storage shell, a piston is arranged in the gas cavity, a translation rod extending to the clamping groove is connected to the piston, a clamping block is arranged at one end, away from the piston, of the translation rod, a guide arc surface matched with the clamped object is arranged at one side, away from the translation rod, of the clamping block, a gas outlet communicated with the gas cavity is formed in one end, away from the translation rod, of the gas storage shell, a clamping airbag is arranged on the clamping shell along the side wall of the clamping groove, and the clamping airbag is connected with the gas outlet through a gas guide tube.
2. The sensor-controlled pneumatic clamp apparatus of claim 1, wherein guide rods are mounted on both sides of the top plate, and the guide rods penetrate through the top plate and are slidably connected with the top plate.
3. The sensor-controlled air jig apparatus of claim 1 wherein the number of columns is four.
4. The sensor-controlled pneumatic clamp apparatus according to claim 1, wherein a return spring is connected between an end of the piston away from the translation rod and a side wall of the air chamber.
5. The sensor-controlled pneumatic clamping device as claimed in claim 1, wherein the clamping air bag is disposed on a side of the clamping block away from the sensor.
6. A sensor controlled air jig apparatus according to claim 1, 2 or 3 wherein the sensor is a load cell.
7. The sensor-controlled pneumatic clamp apparatus according to claim 1, 2 or 3, wherein a spacer is disposed between the sensor and the lower base plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910963504.6A CN111168596B (en) | 2019-10-11 | 2019-10-11 | Pneumatic clamp device with sensor control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910963504.6A CN111168596B (en) | 2019-10-11 | 2019-10-11 | Pneumatic clamp device with sensor control |
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| Publication Number | Publication Date |
|---|---|
| CN111168596A CN111168596A (en) | 2020-05-19 |
| CN111168596B true CN111168596B (en) | 2021-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910963504.6A Active CN111168596B (en) | 2019-10-11 | 2019-10-11 | Pneumatic clamp device with sensor control |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115056001A (en) * | 2022-08-18 | 2022-09-16 | 高邮市北方动力机械有限公司 | Clamping device of mini-tiller chain wheel box |
| CN118636083B (en) * | 2024-08-16 | 2024-10-29 | 江苏峰拓新材料科技有限公司 | Magnetic shoe bonding positioning fixture |
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| CN109894896A (en) * | 2019-04-02 | 2019-06-18 | 鲍存明 | A kind of fixed device of bearing machining |
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2019
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| CN101176967A (en) * | 2007-12-10 | 2008-05-14 | 广州市嘉特斯机电制造有限公司 | Bearing press-in device and method of use thereof |
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| CN111168596A (en) | 2020-05-19 |
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