CN216991319U - Potentiometer running-in device for induction resistance type pressure sensor - Google Patents
Potentiometer running-in device for induction resistance type pressure sensor Download PDFInfo
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- CN216991319U CN216991319U CN202221278014.6U CN202221278014U CN216991319U CN 216991319 U CN216991319 U CN 216991319U CN 202221278014 U CN202221278014 U CN 202221278014U CN 216991319 U CN216991319 U CN 216991319U
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- potentiometer
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- pressure sensor
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Abstract
The utility model provides a potentiometer running-in device for an induction resistance type pressure sensor, which comprises a workbench, a clamping seat for clamping a potentiometer and a cloth wheel for running in the potentiometer, wherein the clamping seat is arranged on the workbench in a moving mode along a linear direction, the cloth wheel is rotatably arranged on the workbench and driven by a driving motor, a potentiometer clamping station is arranged on the clamping seat, a probe for transmitting a resistance signal of the potentiometer is arranged on the clamping seat corresponding to the potentiometer clamping station, and a display for displaying a measured value of the probe is arranged on the workbench. The resistance signal of the potentiometer is monitored in real time through the probe and the display, so that the potentiometer can be accurately run in, and the resistance value of the potentiometer after running in is controlled.
Description
Technical Field
The utility model relates to a running-in device, in particular to a potentiometer running-in device for an induction resistance type pressure sensor.
Background
The sensing resistance type pressure sensor is characterized in that a potentiometer formed by winding a wire diameter micron-sized wire is arranged in a component of the sensing resistance type pressure sensor, the potentiometer mainly plays a role of sliding resistance change, in the production process, a sliding surface of the potentiometer needs to be in running-in, firstly, slurry is wrapped on the wire in order to remove the sliding surface, the sliding resistance change is guaranteed, secondly, the smooth finish of the sliding surface is in running-in to a mirror surface level, the phenomenon that the wire is broken due to mutual friction and further the function of a product fails is prevented, and thirdly, the resistance of the potentiometer is in running-in to a specified value.
After investigation, no suitable potentiometer running-in device is available on the market at present, and the cloth wheel can be clamped and fixed only by using a high-speed bench drilling machine, and then an operator holds the potentiometer to tightly attach the cloth wheel rotating at high speed to realize running-in of the potentiometer. The running-in mode has very big defects, firstly, the running-in degree is not easy to control, and the conditions of uneven running-in, inconsistency and even broken lines occur, so that the product quality is influenced; secondly, the resistance value is not easy to detect and control during running-in, and the resistance value is easy to be out of tolerance after running-in, thereby causing scrappage; thirdly, work efficiency is low, and the in-process that breaks in needs the manual work to constantly detect the resistance value, prevents the overproof, has increased more cost of labor.
SUMMERY OF THE UTILITY MODEL
The utility model provides a potentiometer running-in device for an induction resistance type pressure sensor, aiming at realizing accurate running-in of a potentiometer and controlling the resistance value of the potentiometer after running-in.
The utility model provides a potentiometre running-in device for induction resistance formula pressure sensor, includes the workstation, is used for the grip slipper of centre gripping potentiometre and is used for running-in the cloth wheel of potentiometre, the grip slipper removes along the rectilinear direction and sets up on the workstation, the cloth wheel rotates to be installed on the workstation and by driving motor be provided with potentiometre centre gripping station on the grip slipper correspond the position of potentiometre centre gripping station is provided with the probe that is used for transmitting potentiometre resistance signal be provided with on the workstation and be used for showing the display of probe measured value.
The working principle of the utility model is as follows: the potentiometer is clamped on a potentiometer clamping station on the clamping seat, the potentiometer is moved to a cloth wheel to be in running-in, a display is concerned at any time when the potentiometer is in running-in, after the number on the display meets the requirement, the clamping seat is far away from the clamping seat, the potentiometer is separated from the cloth wheel, and another potentiometer is replaced on the potentiometer clamping station to be in running-in.
In order to conveniently clamp the potentiometer, further: the clamping seat comprises a bottom plate and a push-pull type pressing clamp fixedly mounted at the left end of the bottom plate, an ejector rod of the push-pull type pressing clamp is arranged along the length direction of the bottom plate and extends to the right end of the bottom plate, a positioning block is fixedly connected to the position, corresponding to the ejector rod, of the right end of the bottom plate, a positioning groove with three openings in three sides is formed in the upper portion of the positioning block, an upper side opening of the positioning groove is located on the upper side face of the positioning block, a left side opening of the positioning groove is located on the left side face of the positioning block and corresponds to the right end face of the ejector rod, and a front side opening of the positioning groove is located on the front side face of the positioning block and corresponds to the cloth wheel; the positioning groove is the potentiometer clamping station, the two probes are respectively positioned at the left end and the right end of the bottom surface of the positioning groove, and the probes downwards sequentially penetrate through the positioning block and the bottom plate and are fixedly connected to the bottom plate.
Further: the linear guide rail is fixedly arranged on the workbench, the clamping seat is slidably arranged on the linear guide rail, a linear driving assembly is arranged on the linear guide rail, and the linear driving assembly is used for driving the clamping seat to move back and forth along the linear guide rail.
In order to realize the running-in automation of the potentiometer, further: the cloth wheel is fixedly sleeved on a driving shaft of the driving motor, the cloth wheel is positioned above one end part of the linear guide rail, a travel switch is fixedly arranged on the workbench at a position corresponding to the clamping seat, the travel switch is close to the driving motor, and the travel switch, the probe, the driving motor and the linear driving assembly are all electrically connected with the controller. After the potentiometer is manually clamped on the potentiometer clamping station, the controller controls the driving motor to rotate to a set rotating speed, the linear driving assembly controls the clamping seat to move towards the cloth wheel, the travel switch acts and stops the clamping seat after the clamping seat moves to a set position, the cloth wheel rubs the front side of the potentiometer at the front side of the positioning groove, and when the probe detects that the resistance value of the potentiometer reaches a set value, the clamping seat is controlled to move reversely and the potentiometer is separated from the cloth wheel.
Further: the display is an ohmmeter.
The utility model has the beneficial effects that: the resistance signal of the potentiometer is monitored in real time through the probe and the display, so that the potentiometer can be accurately run in, and the resistance value of the potentiometer after running in is controlled.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the holder of the present invention.
In the figure, 1, a workbench; 2. a linear guide rail; 21. a linear drive assembly; 3. a drive motor; 4. a cloth wheel; 5. a clamping seat; 51. a base plate; 52. push-pull type pressing tongs; 521. a top rod; 53. positioning blocks; 531. positioning a groove; 54. a probe; 6. a potentiometer; 7. a travel switch.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings. Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative only and should not be construed as limiting the utility model. The terms of orientation such as left, center, right, up, down, etc. in the examples of the present invention are only relative to each other or are referred to the normal use state of the product, and should not be considered as limiting.
A potentiometer running-in device for an induction resistance type pressure sensor is shown in a combined drawing 1 and a drawing 2 and comprises a workbench 1, a clamping seat 5 used for clamping a potentiometer 6 and a cloth wheel 4 used for running in the potentiometer 6, wherein the clamping seat 5 is arranged on the workbench 1 in a moving mode along a linear direction, the cloth wheel 4 is rotatably arranged on the workbench 1 and driven by a driving motor 3, a potentiometer clamping station is arranged on the clamping seat 5, a probe 54 used for transmitting a resistance signal of the potentiometer 6 is arranged on the clamping seat 5 corresponding to the potentiometer clamping station, a display used for displaying a measured value of the probe 54 is arranged on the workbench 1, and the display is a resistance meter.
The clamping seat 5 comprises a bottom plate 51 and a push-pull type pressing clamp 52 fixedly mounted at the left end of the bottom plate 51, a push rod 521 of the push-pull type pressing clamp 52 is arranged along the length direction of the bottom plate 51 and extends to the right end of the bottom plate 51, a positioning block 53 is fixedly connected to the right end of the bottom plate 51 corresponding to the position of the push rod 521, a positioning groove 531 with three side openings is formed in the upper part of the positioning block 53, the upper side opening of the positioning groove 531 is located on the upper side surface of the positioning block 53, the left side opening of the positioning groove 531 is located on the left side surface of the positioning block 53 and corresponds to the right end surface of the push rod 521, and the front side opening of the positioning groove 531 is located on the front side surface of the positioning block 53 and corresponds to the cloth wheel 4; the positioning groove 531 is the potentiometer clamping station, the two probes 54 are respectively located at the left end and the right end of the bottom surface of the positioning groove 531, and the probes 54 sequentially penetrate through the positioning block 53 and the bottom plate 51 downwards and are fixedly connected to the bottom plate 51. The workbench 1 is fixedly provided with a linear guide rail 2, the clamping base 5 is slidably mounted on the linear guide rail 2, the linear guide rail 2 is provided with a linear driving assembly 21, and the linear driving assembly 21 is used for driving the clamping base 5 to move back and forth along the linear guide rail 2. The cloth wheel 4 is fixedly sleeved on the driving shaft of the driving motor 3, the cloth wheel 4 is positioned above the end part of one end of the linear guide rail 2, a travel switch 7 is fixedly arranged on the workbench 1 corresponding to the clamping seat 5, the travel switch 7 is close to the driving motor 3, and the travel switch 7, the probe 54, the driving motor 3 and the linear driving assembly 21 are all electrically connected with a controller. After the potentiometer 6 is manually clamped on the potentiometer clamping station, the controller controls the driving motor 3 to rotate to a set rotating speed, the linear driving assembly 21 controls the clamping seat 5 to move towards the cloth wheel 4, the travel switch 7 acts and stops the clamping seat 5 after the clamping seat 5 moves to a set position, at the moment, the cloth wheel performs running-in on the front side of the potentiometer 6 at the front side of the positioning groove 531, and when the probe detects that the resistance value of the potentiometer 6 reaches a set value, the clamping seat 5 is controlled to move reversely and the potentiometer 6 is separated from the cloth wheel 4.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a potentiometre running-in device for induction resistance formula pressure sensor, includes the workstation, is used for the grip slipper of centre gripping potentiometre and is used for running-in the cloth wheel of potentiometre, the grip slipper removes along the rectilinear direction and sets up on the workstation, the cloth wheel rotates to be installed on the workstation and by driving motor drive, its characterized in that: the device comprises a worktable and a potentiometer, and is characterized in that a potentiometer clamping station is arranged on the clamping seat, a probe used for transmitting a potentiometer resistance signal is arranged at a position, corresponding to the potentiometer clamping station, on the clamping seat, and a display used for displaying a probe measured value is arranged on the worktable.
2. A potentiometer break-in device for an inductive resistive pressure sensor according to claim 1, characterized in that: the clamping seat comprises a bottom plate and a push-pull type pressing clamp fixedly mounted at the left end of the bottom plate, a push rod of the push-pull type pressing clamp is arranged along the length direction of the bottom plate and extends to the right end of the bottom plate, a positioning block is fixedly connected to the position, corresponding to the push rod, of the right end of the bottom plate, a positioning groove with three open sides is formed in the upper portion of the positioning block, the upper side opening of the positioning groove is located on the upper side face of the positioning block, the left side opening of the positioning groove is located on the left side face of the positioning block and corresponds to the right end face of the push rod, and the front side opening of the positioning groove is located on the front side face of the positioning block and corresponds to the cloth wheel; the positioning groove is the potentiometer clamping station, the two probes are respectively positioned at the left end and the right end of the bottom surface of the positioning groove, and the probes downwards sequentially penetrate through the positioning block and the bottom plate and are fixedly connected to the bottom plate.
3. A potentiometer run-in apparatus for an inductive resistive pressure sensor as defined in claim 2 wherein: the linear guide rail is fixedly arranged on the workbench, the clamping seat is slidably arranged on the linear guide rail, a linear driving assembly is arranged on the linear guide rail, and the linear driving assembly is used for driving the clamping seat to move back and forth along the linear guide rail.
4. A potentiometer run-in apparatus for an inductive resistive pressure sensor as defined in claim 3 wherein: the cloth wheel is fixedly sleeved on a driving shaft of the driving motor and is positioned above the end part of one end of the linear guide rail, a travel switch is fixedly arranged on the workbench at a position corresponding to the clamping seat, the travel switch is close to the driving motor, and the travel switch, the probe, the driving motor and the linear driving assembly are all electrically connected with the controller.
5. A potentiometer run-in apparatus for an inductive resistive pressure sensor as defined in claim 1 wherein: the display is an ohmmeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221278014.6U CN216991319U (en) | 2022-05-26 | 2022-05-26 | Potentiometer running-in device for induction resistance type pressure sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221278014.6U CN216991319U (en) | 2022-05-26 | 2022-05-26 | Potentiometer running-in device for induction resistance type pressure sensor |
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| Publication Number | Publication Date |
|---|---|
| CN216991319U true CN216991319U (en) | 2022-07-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221278014.6U Active CN216991319U (en) | 2022-05-26 | 2022-05-26 | Potentiometer running-in device for induction resistance type pressure sensor |
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| CN (1) | CN216991319U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117929903A (en) * | 2024-03-18 | 2024-04-26 | 深圳市南海核电技术有限公司 | Method for testing performance of valve position feedback device of electric valve |
-
2022
- 2022-05-26 CN CN202221278014.6U patent/CN216991319U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117929903A (en) * | 2024-03-18 | 2024-04-26 | 深圳市南海核电技术有限公司 | Method for testing performance of valve position feedback device of electric valve |
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