CN211477017U - Detection device for linear displacement sensor - Google Patents
Detection device for linear displacement sensor Download PDFInfo
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- CN211477017U CN211477017U CN202020488964.6U CN202020488964U CN211477017U CN 211477017 U CN211477017 U CN 211477017U CN 202020488964 U CN202020488964 U CN 202020488964U CN 211477017 U CN211477017 U CN 211477017U
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Abstract
The utility model provides a detection device for linear displacement sensor, include: host computer and detection mechanism, its characterized in that, detection mechanism includes: base, fixed platform, displacement platform and centre gripping frock. The base is provided with a pair of ball guide rails in parallel. The fixed platform is located one end of ball guide, fixed platform processing has first spout. The displacement table is connected with the ball guide rail in a sliding mode, and a second sliding groove is machined in the displacement table. The clamping tool is used for fixing a tested sensor and comprises a clamping block and a pressing plate, the clamping block is processed with a V-shaped groove, and the tested sensor is pressed against the V-shaped groove through the pressing plate. The application range is wide, and the linear displacement sensors of different types and different specifications can be tested.
Description
Technical Field
The utility model belongs to the industrial automation field especially relates to a detection device for linear displacement sensor.
Background
The linear displacement sensor is widely applied in automatic control, can measure whether a target object is located at a designated position or whether the size meets a tolerance range, and can output a judgment result and a measurement value.
SUMMERY OF THE UTILITY MODEL
For solving prior art not enough, the utility model provides a detection device for linear displacement sensor, through the linear displacement sensor of the different test distances of position detectable of adjusting the displacement platform, because of the linear displacement sensor's of different specifications overall dimension is different, can adopt the centre gripping frock to accomplish and step up fixedly to the linear displacement sensor of different overall dimensions.
In order to realize the purpose of the utility model, the following scheme is proposed:
a sensing device for a linear displacement sensor, comprising: host computer and detection mechanism, its characterized in that, detection mechanism includes: base, fixed platform, displacement platform and centre gripping frock.
The base is provided with a pair of ball guide rails in parallel.
The fixed platform is located one end of ball guide, fixed platform processing has first spout.
The displacement table is connected with the ball guide rail in a sliding mode, and a second sliding groove is machined in the displacement table.
The clamping tool is used for fixing a tested sensor and comprises a clamping block and a pressing plate, the clamping block is processed with a V-shaped groove, and the tested sensor is pressed against the V-shaped groove through the pressing plate.
Further, the base is provided with a linear motor, a stator of the linear motor is mounted on the base, a rotor of the linear motor is mounted on the displacement table, and the linear motor is used for driving the displacement table.
Furthermore, the detection mechanism further comprises a grating ruler and a reading head, and the grating ruler and the reading head are used for reading the displacement length of the displacement table.
Furthermore, both ends of the ball guide rail are provided with travel limit switches.
Furthermore, the first sliding groove and the second sliding groove are provided with a plurality of strips, and are in a vertical staggered structure respectively.
Furthermore, the clamping block is provided with a counter bore, the bottom of the counter bore is coaxially provided with a threaded hole, the major diameter of the threaded hole is smaller than the diameter of the counter bore, the pressing plate is provided with a bushing, the bushing is slidably mounted in the counter bore, the inner aperture of the bushing is larger than the major diameter of the threaded hole, the pressing plate is connected with the clamping block through a screw, and the screw is connected with the threaded hole.
Furthermore, a rectangular groove is processed in the clamping block and is located in the middle of the V-shaped groove, the V-shaped groove is divided into connecting blocks, the bottom surface of the rectangular groove and the lowest point of the V-shaped groove are located on the same plane, and the pressing plate can be in sliding fit in the rectangular groove along the direction of the axis of the counter bore.
Furthermore, the clamping block is provided with a first mounting hole and a second mounting hole, the number of the first mounting hole and the number of the second mounting hole are two, and respective connecting lines of the first mounting hole and the second mounting hole are intersected with the center line of the threaded hole.
Furthermore, the bottom of the pressing plate is provided with a rubber block, and the cross section of the rubber block along the length direction is of an inverted trapezoidal structure.
Furthermore, the first sliding groove and the second sliding groove are identical in structure and specification and are of T-shaped groove structures.
The beneficial effects of the utility model reside in that:
1. the application range is wide, and different types of linear displacement sensors with different specifications, such as distance sensors, proximity switches and the like, can be tested.
2. Through changing the interval between clamp plate and the V type groove, the centre gripping frock is applicable to not unidimensional linear displacement sensor's fixed, and fixed platform uses the centre gripping frock with the displacement bench in pairs, can ensure that fixed platform and displacement bench are surveyed the sensor highly uniform.
3. The fixed platform and the displacement platform are both provided with sliding grooves, so that clamping tools with various structures can be installed, and the application range of the detection device is enlarged.
4. The two ends of the ball guide rail are provided with limit switches which can play a stroke protection role for the displacement table.
Drawings
The drawings described herein are for illustrative purposes only of selected embodiments and not all possible implementations, and are not intended to limit the scope of the present disclosure.
Fig. 1 shows the overall construction of the present invention.
Fig. 2 shows a partial enlarged view of the bottom of the present invention.
FIG. 3 is a view showing a constitution of a clamping tool
Fig. 4 shows a cross-sectional view of the clamping tool.
Fig. 5 shows a use state diagram of the clamping tool.
The labels in the figure are: 1-detection mechanism, 10-base, 11-ball guide rail, 12-linear motor, 13-grating ruler, 14-reading head, 15-travel limit switch, 20-fixed platform, 21-first sliding groove, 30-displacement table, 31-second sliding groove, 40-clamping tool, 41-clamping block, 411-V type groove, 412-counter bore, 413-threaded hole, 414-rectangular groove, 415-first mounting hole, 416-second mounting hole, 42-pressing plate, 421-bushing, 422-rubber block and 43-screw.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings.
Examples
As shown in fig. 1 to 5, a detecting device for a linear displacement sensor includes a base 10, a fixed platform 20, a displacement table 30, and a clamping tool 40.
Specifically, the base 10 is provided with a pair of ball rails 11 in parallel. The base 10 is provided with a linear motor 12 and a grating ruler 13, a stator of the linear motor 12 is mounted on the base 10, a rotor of the linear motor 12 is mounted on the displacement table 30, and the linear motor 12 is used for driving the displacement table 30.
Specifically, the fixed platform 20 is located at one end of the ball guide 11, and the fixed platform 20 is processed with a first sliding slot 21.
Specifically, the displacement table 30 is slidably connected to the ball guide 11, and the displacement table 30 is formed with a second slide groove 31. The displacement table 30 is provided with a reading head 14, and the displacement length of the displacement table 30 is read by matching with the grating ruler 13.
Specifically, the centre gripping frock 40, first spout 21 and the equal slidable of second spout 31 are equipped with centre gripping frock 40 for fixed sensor under test, and centre gripping frock 40 includes grip block 41 and clamp plate 42, and grip block 41 processing has V type groove 411, and the sensor under test compresses tightly in V type groove 411 through clamp plate 42.
The specific implementation process comprises the following steps:
firstly, fixing a sensor to be measured and an object to be sensed on a fixed platform 20 and a displacement table 30 respectively by using a clamping tool 40, so that the height of the sensor to be measured and the height of the object to be sensed are the same; then the position of the measured sensor is set as a zero point through the upper computer, the upper computer controls the linear motor 12 to drive the displacement table 30 to move for a preset distance, the reading head 14 reads out an accurate moving value of the displacement table 30 through the grating ruler 13, meanwhile, the upper computer collects an output value of the measured sensor, the upper computer compares the output value of the measured sensor with the moving value of the displacement table 30, and whether the measured sensor is qualified or not is judged by comparing the difference value of the output value of the measured sensor and the moving value of the displacement table 30. The displacement range of the displacement table 30 is less than or equal to 1200mm, the full form displacement precision is less than or equal to 5 mu m, and the positioning precision of 0-60 mm is less than or equal to 2 mu m.
Preferably, as shown in fig. 1, in order to prevent the displacement table 30 from operating beyond the stroke range, stroke limit switches 15 are provided at both ends of the ball guide 11, and the operation is automatically stopped when the displacement table 30 contacts the stroke limit switches 15.
Preferably, as shown in fig. 3 and 5, the first slide groove 21 and the second slide groove 31 are provided in plural, transversely arranged and longitudinally arranged, and the slide grooves on the fixed platform 20 and the displacement platform 30 are perpendicular to each other. The first sliding groove 21 and the second sliding groove 31 have the same structure and specification, are all T-shaped groove structures, and can be fixed by the same T-shaped screws. The clamping block 41 is provided with a first mounting hole 415 and a second mounting hole 416, two first mounting holes 415 and two second mounting holes 416 are arranged, and the connecting lines of the first mounting holes 415 and the second mounting holes 416 intersect with the central line of the threaded hole 413. For convenience of description, in this embodiment, a sliding groove that is flat with respect to the ball guide 11 is defined as a transverse sliding groove, and a sliding groove that is perpendicular to the ball guide 11 is defined as a longitudinal sliding groove, and when the clamping tool 40 is installed on the transverse sliding groove, the clamping tool 40 is connected using the first installation hole 415, and when the clamping tool 40 is installed on the longitudinal sliding groove, the clamping tool 40 is connected using the second installation hole 416. The first sliding groove 21 and the second sliding groove 31 can also be used for installing clamping tools of other structures, and the application range of the detection device is further expanded.
Preferably, as shown in fig. 3 and 4, the clamping block 41 is processed with a counterbore 412, a threaded hole 413 is coaxially processed at the bottom of the counterbore 412, the major diameter of the threaded hole 413 is smaller than the diameter of the counterbore 412, the pressure plate 42 is provided with a bushing 421, the bushing 421 is slidably mounted in the counterbore 412, the inner diameter of the bushing 421 is larger than the major diameter of the threaded hole 413, the pressure plate 42 is connected with the clamping block 41 through a screw 43, and the screw 43 is connected with the threaded hole 413. Because the pressure plate 42 is connected with the clamping block 41 by only one screw, in order to prevent the pressure plate 42 from rotating around the axis of the measured sensor when clamping the measured sensor, a structure that the counter bore 412 and the bushing 421 are matched is designed, the bushing 421 is in sliding fit in the counter bore 412, the parallel movement of the pressure plate 42 along the axis of the counter bore 412 can be ensured, the clamping of the measured sensor is firmer, and the clamping tool 40 can clamp the measured sensors with different external dimensions by the translation of the pressure plate 42 along the counter bore 412.
More specifically, in order to further increase the application range of the clamping tool 40 and enable the clamping tool to clamp the measured sensor with a smaller overall dimension, the clamping block 41 is provided with a rectangular groove 414, the rectangular groove 414 is located in the middle of the V-shaped groove 411 and divides the V-shaped groove 411 into connected blocks, the bottom surface of the rectangular groove 414 and the lowest point of the V-shaped groove 411 are located on the same plane, the pressing plate 42 can be in sliding fit in the rectangular groove 414 along the direction of the axis of the counter bore 412, and the closer the bottom surface of the pressing plate 42 is to the bottom surface of the rectangular groove 414, the smaller the overall dimension of the measured sensor which can be clamped by.
Preferably, as shown in fig. 3, because a part of the surface of the sensor to be measured is threaded, in order to prevent the sensor to be measured from being damaged during clamping, the rubber block 422 is disposed at the bottom of the pressure plate 42, and the cross section of the rubber block 422 along the length direction is in an inverted trapezoidal structure, which can play a guiding role and help the pressure plate 42 to be smoothly inserted into the rectangular groove 414.
The foregoing is only a preferred embodiment of the invention and is not intended to be the only or limiting embodiment of the invention. It should be understood by those skilled in the art that various changes and equivalent substitutions made herein may be made without departing from the scope of the invention as defined by the appended claims.
Claims (10)
1. A sensing device for a linear displacement sensor, comprising: host computer and detection mechanism (1), its characterized in that, detection mechanism (1) includes:
the device comprises a base (10), wherein a pair of ball guide rails (11) are arranged in parallel on the base (10);
the fixed platform (20), the fixed platform (20) is positioned at one end of the ball guide rail (11), and a first sliding groove (21) is processed on the fixed platform (20);
the displacement table (30), the displacement table (30) is connected to the ball guide rail (11) in a sliding mode, and a second sliding chute (31) is machined in the displacement table (30); and
centre gripping frock (40), first spout (21) and the equal slidable of second spout (31) is equipped with centre gripping frock (40) for the fixed sensor that is surveyed, centre gripping frock (40) are including grip block (41) and clamp plate (42), grip block (41) processing has V type groove (411), measured sensor compress tightly in V type groove (411) through clamp plate (42).
2. A detecting device for a linear displacement sensor according to claim 1, characterized in that the base (10) is provided with a linear motor (12), the stator of the linear motor (12) is mounted with the base (10), the mover of the linear motor (12) is mounted with the displacement table (30), and the linear motor (12) is used for driving that displacement table (30).
3. A detecting arrangement for a linear displacement sensor according to claim 1, characterized in that the detecting mechanism (1) further comprises a grating ruler (13) and a reading head (14) for reading the displacement length of the displacement table (30).
4. A detecting device for a linear displacement sensor according to claim 2, characterized in that both ends of the ball guide (11) are provided with travel limit switches (15).
5. A detecting device for a linear displacement sensor according to claim 1, characterized in that the first runner (21) and the second runner (31) are provided in plural numbers and are in a vertically staggered configuration.
6. The detecting device for the linear displacement sensor is characterized in that a counter bore (412) is machined in the clamping block (41), a threaded hole (413) is coaxially machined in the bottom of the counter bore (412), the major diameter of the threaded hole (413) is smaller than the diameter of the counter bore (412), a bushing (421) is arranged on the pressure plate (42), the bushing (421) is slidably mounted in the counter bore (412), the inner diameter of the bushing (421) is larger than the major diameter of the threaded hole (413), the pressure plate (42) is connected with the clamping block (41) through a screw (43), and the screw (43) is connected with the threaded hole (413).
7. The detecting device for the linear displacement sensor according to claim 6, characterized in that the holding block (41) is processed with a rectangular groove (414), the rectangular groove (414) is located in the middle of the V-shaped groove (411) to divide the V-shaped groove (411) into connected blocks, the bottom surface of the rectangular groove (414) and the lowest point of the V-shaped groove (411) are in the same plane, and the pressing plate (42) can be slidably fitted in the rectangular groove (414) along the direction of the axis of the counter bore (412).
8. A detecting device for a linear displacement sensor according to claim 6, characterized in that the holding block (41) is provided with a first mounting hole (415) and a second mounting hole (416), two of the first mounting hole (415) and the second mounting hole (416) are provided, and the respective connecting lines thereof intersect with the center line of the threaded hole (413).
9. The detecting device for the linear displacement sensor according to claim 1, wherein the bottom of the pressure plate (42) is provided with a rubber block (422), and the rubber block (422) has an inverted trapezoidal structure along the section of the length direction.
10. The detecting device for the linear displacement sensor according to claim 1, wherein the first slide groove (21) and the second slide groove (31) have the same structure and the same specification, and are both T-shaped groove structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020488964.6U CN211477017U (en) | 2020-04-07 | 2020-04-07 | Detection device for linear displacement sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020488964.6U CN211477017U (en) | 2020-04-07 | 2020-04-07 | Detection device for linear displacement sensor |
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| Publication Number | Publication Date |
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| CN211477017U true CN211477017U (en) | 2020-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020488964.6U Active CN211477017U (en) | 2020-04-07 | 2020-04-07 | Detection device for linear displacement sensor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117607836A (en) * | 2023-12-05 | 2024-02-27 | 钛玛科（北京）工业科技有限公司 | Bracket capable of adjusting measurement distance and application method thereof |
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2020
- 2020-04-07 CN CN202020488964.6U patent/CN211477017U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117607836A (en) * | 2023-12-05 | 2024-02-27 | 钛玛科（北京）工业科技有限公司 | Bracket capable of adjusting measurement distance and application method thereof |
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