CN211012827U - High-efficient fixture is used in test of nanometer displacement capacitance sensor - Google Patents
High-efficient fixture is used in test of nanometer displacement capacitance sensor Download PDFInfo
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- CN211012827U CN211012827U CN201922330513.XU CN201922330513U CN211012827U CN 211012827 U CN211012827 U CN 211012827U CN 201922330513 U CN201922330513 U CN 201922330513U CN 211012827 U CN211012827 U CN 211012827U
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Abstract
The utility model relates to a receive a little to control and high accuracy positioning technology field, and disclose a high-efficient fixture is used in test of nanometer displacement capacitance sensor, including base and capacitance sensor body, the capacitance sensor body is located the upper surface of base, the upper surface left and right sides of base is the fixed bracing piece that is equipped with all, the upper end of two bracing pieces is fixed jointly and is equipped with the backup pad, the below level of backup pad is equipped with the movable plate, the upper surface center department of movable plate inlays and is equipped with antifriction bearing, the upper surface center department of backup pad is provided with the screw rod through the screw hole screw thread, the lower extreme of screw rod extends to the below of backup pad and is connected through the rotation of antifriction bearing and the upper surface center department of movable plate, the upper end of screw rod extends to the top. The utility model discloses convenient operation can press from both sides tight frock with the capacitive sensor of different specifications, and the centre gripping stability is high.
Description
Technical Field
The utility model relates to a receive a little and control and high accuracy positioning technology field, especially relate to a high-efficient fixture is used in test of nanometer displacement capacitive sensor.
Background
With the rapid development of the manufacturing industry in China, the ultra-precise motion control platform has a fundamental status in the high-end manufacturing field, and the design and research and development of the high-precision motion control platform are not independent of high-precision measurement sensors, wherein the nano displacement capacitance sensor has the characteristics of high technical content and high precision in numerous sensors, so that in order to design a capacitance sensor with higher precision and reliability, various indexes of the newly-researched capacitance sensor need to be tested, the quality of the existing design is verified, the design is further improved, and the measurement precision of the capacitance sensor is improved.
The nanometer displacement capacitance sensor is by two kinds of structural style of flat and column, and wherein, flat capacitance sensor can pass through the screw hole connection to be fixed on test platform, but column capacitance sensor can not adopt the screw hole to connect, and at present, the precision of the device of measuring capacitance sensor who appears on the market is low, when testing to the capacitance sensor of different specifications, needs the test of multiple specification to press from both sides tight frock, uses loaded down with trivial details.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving among the prior art precision of the device of measuring capacitance sensor who appears on the market low, when testing to the capacitance sensor of different specifications, need the test of multiple specification to press from both sides tight frock, use loaded down with trivial details problem, and the test of a nanometer displacement capacitance sensor who proposes uses high-efficient fixture.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a high-efficiency clamping mechanism for testing a nanometer displacement capacitance sensor comprises a base and a capacitance sensor body, wherein the capacitance sensor body is positioned on the upper surface of the base, the left side and the right side of the upper surface of the base are fixedly provided with support rods, the upper ends of the two support rods are fixedly provided with a support plate together, a movable plate is horizontally arranged below the support plate, a rolling bearing is embedded in the center of the upper surface of the movable plate, the center of the upper surface of the support plate is provided with a screw rod through a threaded hole, the lower end of the screw rod extends to the lower part of the support plate and is rotatably connected with the center of the upper surface of the movable plate through the rolling bearing, the upper end of the screw rod extends to the upper part of the support plate and is fixedly provided with a rotating wheel, the movable plate is of a hollow structure, a fixed plate is horizontally arranged inside, it is a plurality of the inside of slide opening all slides and is provided with the tight pole in top, and is a plurality of the lower extreme of tight pole in top all runs through to the below of movable plate, and is a plurality of the pole wall of tight pole in top all fixes and is equipped with the stripper plate, and is a plurality of the pole wall of tight pole in top just is located the equal activity in top of stripper plate and has cup jointed first spring, and is a plurality of the both ends of first spring respectively with the side fixed connection of stripper plate and fixed plate, the left and right sides of movable plate all is equipped with stop gear.
Preferably, stop gear includes connecting plate, spacing slide bar and second spring, the connecting plate is fixed respectively and sets up in the left and right sides of movable plate, two the bar groove has all been seted up towards one side of movable plate to the pole wall of bracing piece, spacing slide bar is vertical fixed respectively set up in two the inside in bar groove, two the connecting plate all through spacing slide opening respectively with two the pole wall sliding connection of spacing slide bar, the second spring activity respectively cup joints on the pole wall of spacing slide bar and is located the below of connecting plate, two the both ends of second spring respectively with the downside in bar groove and the downside fixed connection of connecting plate.
Preferably, the lower end of the tightening rod is fixedly provided with a rubber jacking block.
Preferably, a placing groove is formed in the upper surface of the base, and the capacitive sensor body is located inside the placing groove.
Preferably, the base and the moving plate are both made of brass.
Compared with the prior art, the utility model provides a high-efficient fixture is used in test of nanometer displacement capacitance sensor possesses following beneficial effect:
1. this high-efficient fixture is used in test of nanometer displacement capacitance sensor through backup pad, movable plate, screw rod, runner, fixed plate, the tight pole in top, stripper plate and the first spring of setting in capacitance sensor body top, can press from both sides tight frock with the capacitance sensor of different specifications, and centre gripping stability is high.
2. This high-efficient fixture is used in test of nanometer displacement capacitance sensor through setting up connecting plate, spacing slide bar and the second spring in the movable plate both sides, not only can carry on spacingly to the movable plate, can provide the ascending power of a buffering moreover for the movable plate, avoids the screw rod to promote the phenomenon that the puller rod caused the too big damage of pressure to the capacitance sensor body.
The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses convenient operation can press from both sides tight frock with the capacitive sensor of different specifications, and the clamping stability is high.
Drawings
Fig. 1 is a schematic structural view of a high-efficiency clamping mechanism for testing a nano-displacement capacitive sensor according to the present invention;
fig. 2 is a schematic structural view of the knock-up rod and the compression plate of fig. 1.
In the figure: the device comprises a base 1, a supporting rod 2, a supporting plate 3, a moving plate 4, a screw rod 5, a rotating wheel 6, a fixing plate 7, a tightening rod 8, an extrusion plate 9, a first spring 10, a connecting plate 11, a limiting sliding rod 12, a second spring 13, a placing groove 14 and a capacitance sensor body 15.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-2, a high-efficiency clamping mechanism for testing a nanometer displacement capacitance sensor comprises a base 1 and a capacitance sensor body 15, wherein the capacitance sensor body 15 is positioned on the upper surface of the base 1, support rods 2 are fixedly arranged on the left side and the right side of the upper surface of the base 1, a support plate 3 is fixedly arranged at the upper ends of the two support rods 2, a moving plate 4 is horizontally arranged below the support plate 3, a rolling bearing is embedded in the center of the upper surface of the moving plate 4, a screw rod 5 is arranged at the center of the upper surface of the support plate 3 through a thread of a threaded hole, the lower end of the screw rod 5 extends to the lower part of the support plate 3 and is rotatably connected with the center of the upper surface of the moving plate 4 through the rolling bearing, the upper end of the screw rod 5 extends to the upper part of the support plate 3, the upper surface of the fixed plate 7 is transversely provided with a plurality of evenly distributed sliding holes, the inside of the sliding holes is provided with the puller rod 8 in a sliding manner, the lower ends of the puller rods 8 are all penetrated to the lower part of the movable plate 4, the rod walls of the puller rods 8 are all fixedly provided with the extrusion plate 9, the rod walls of the puller rods 8 are movably sleeved with the first springs 10 above the extrusion plate 9, the two ends of the first springs 10 are fixedly connected with the side surfaces of the extrusion plate 9 and the fixed plate 7 respectively, the lower end of the puller rod 8 is fixedly provided with the rubber jacking block, the phenomenon that the puller rod 8 damages the capacitance sensor body 15 can be avoided, and the left side and the right side of the movable plate 4 are provided with the limiting mechanisms.
The limiting mechanism comprises connecting plates 11, limiting slide bars 12 and second springs 13, the connecting plates 11 are respectively and fixedly arranged on the left side and the right side of the moving plate 4, strip-shaped grooves are respectively formed in one sides, facing the moving plate 4, of the rod walls of the two support rods 2, the limiting slide bars 12 are respectively and vertically and fixedly arranged inside the two strip-shaped grooves, the two connecting plates 11 are respectively and slidably connected with the rod walls of the two limiting slide bars 12 through limiting slide holes, the second springs 13 are respectively and movably sleeved on the rod walls of the limiting slide bars 12 and are positioned below the connecting plates 11, two ends of the two second springs 13 are respectively and fixedly connected with the lower sides of the strip-shaped grooves and the lower sides of the connecting plates 11, when the moving plate 4 moves downwards, the moving plate, and can provide a buffering ascending power for the movable plate 4, avoid screw 5 to promote the phenomenon that the tight pole 8 causes the damage to electric capacity sensor body 15 pressure is too big in top.
The placing groove 14 has been seted up to the upper surface of base 1, and the capacitive sensor body 15 is located the inside of placing groove 14, can place the capacitive sensor body 15 stably.
The base 1 and the moving plate 4 are both made of brass.
In the utility model, when in use, a worker places the capacitance sensor body 15 on the upper surface of the base 1, then rotates the rotating wheel 6 to make the screw rod 5 rotate and move downwards and push the moving plate 4 to move downwards, so that the plurality of tightening rods 8 can tightly press the capacitance sensor body 15 on the upper surface of the base 1, and the capacitance sensor bodies 15 with different specifications can be ensured to be quickly clamped due to the plurality of tightening rods 8; through the connecting plates 11, the limiting slide bars 12 and the second springs 13 arranged on the two sides of the moving plate 4, when the moving plate 4 moves downwards, the moving plate 4 can be limited, a buffer upward force can be provided for the moving plate 4, and the phenomenon that the screw 5 pushes the tightening rod 8 to damage the capacitance sensor body 15 due to overlarge pressure is avoided.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. A high-efficiency clamping mechanism for testing a nano displacement capacitance sensor comprises a base (1) and a capacitance sensor body (15), and is characterized in that the capacitance sensor body (15) is located on the upper surface of the base (1), supporting rods (2) are fixedly arranged on the left side and the right side of the upper surface of the base (1), a supporting plate (3) is fixedly arranged at the upper ends of the two supporting rods (2) together, a movable plate (4) is horizontally arranged below the supporting plate (3), a rolling bearing is embedded in the center of the upper surface of the movable plate (4), a screw rod (5) is arranged in the center of the upper surface of the supporting plate (3) through threads of a threaded hole, the lower end of the screw rod (5) extends to the lower portion of the supporting plate (3) and is rotatably connected with the center of the upper surface of the movable plate (4) through the rolling bearing, the upper end of the screw rod (5) extends to the upper portion of the, the movable plate (4) is of a hollow structure, a fixed plate (7) is horizontally and fixedly arranged inside the movable plate (4), a plurality of uniformly distributed sliding holes are transversely formed in the upper surface of the fixed plate (7), a plurality of tightening rods (8) are arranged inside the sliding holes in a sliding mode, the lower ends of the tightening rods (8) penetrate through the lower portion of the movable plate (4), a plurality of extrusion plates (9) are fixedly arranged on rod walls of the tightening rods (8), a plurality of first springs (10) are movably sleeved on the rod walls of the tightening rods (8) and located above the extrusion plates (9) in a sleeved mode, the two ends of the first springs (10) are fixedly connected with the side faces of the extrusion plates (9) and the fixed plate (7) respectively, and limiting mechanisms are arranged on the left side and the right side of the movable plate (4).
2. The efficient clamping mechanism for testing the nano-displacement capacitive sensor as claimed in claim 1, it is characterized in that the limiting mechanism comprises a connecting plate (11), a limiting slide rod (12) and a second spring (13), the connecting plates (11) are respectively and fixedly arranged at the left side and the right side of the moving plate (4), strip-shaped grooves are respectively arranged at one sides of the rod walls of the two supporting rods (2) facing the moving plate (4), the limiting slide bars (12) are respectively and vertically and fixedly arranged inside the two strip-shaped grooves, the two connecting plates (11) are respectively and slidably connected with the bar walls of the two limiting slide bars (12) through limiting slide holes, the second springs (13) are respectively movably sleeved on the rod wall of the limiting sliding rod (12) and located below the connecting plate (11), and two ends of the second springs (13) are respectively fixedly connected with the lower side of the strip-shaped groove and the lower side of the connecting plate (11).
3. The efficient clamping mechanism for the test of the nano-displacement capacitive sensor as claimed in claim 1, wherein a rubber top block is fixedly arranged at the lower end of the tightening rod (8).
4. The efficient clamping mechanism for the nano displacement capacitance sensor test according to claim 1, wherein a placing groove (14) is formed in the upper surface of the base (1), and the capacitance sensor body (15) is located inside the placing groove (14).
5. The efficient clamping mechanism for the test of the nano-displacement capacitance sensor as claimed in claim 1, wherein the base (1) and the moving plate (4) are made of brass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922330513.XU CN211012827U (en) | 2019-12-23 | 2019-12-23 | High-efficient fixture is used in test of nanometer displacement capacitance sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922330513.XU CN211012827U (en) | 2019-12-23 | 2019-12-23 | High-efficient fixture is used in test of nanometer displacement capacitance sensor |
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| CN211012827U true CN211012827U (en) | 2020-07-14 |
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| CN201922330513.XU Active CN211012827U (en) | 2019-12-23 | 2019-12-23 | High-efficient fixture is used in test of nanometer displacement capacitance sensor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112763652A (en) * | 2020-12-08 | 2021-05-07 | 中国电子产品可靠性与环境试验研究所（（工业和信息化部电子第五研究所）（中国赛宝实验室）） | Automatic positioning puncture clamp, internal atmosphere content analyzer and testing method thereof |
| CN117086537A (en) * | 2023-10-20 | 2023-11-21 | 山东帝盟重工机械有限公司 | Gearbox body assembly welding device |
-
2019
- 2019-12-23 CN CN201922330513.XU patent/CN211012827U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112763652A (en) * | 2020-12-08 | 2021-05-07 | 中国电子产品可靠性与环境试验研究所（（工业和信息化部电子第五研究所）（中国赛宝实验室）） | Automatic positioning puncture clamp, internal atmosphere content analyzer and testing method thereof |
| CN117086537A (en) * | 2023-10-20 | 2023-11-21 | 山东帝盟重工机械有限公司 | Gearbox body assembly welding device |
| CN117086537B (en) * | 2023-10-20 | 2024-01-02 | 山东帝盟重工机械有限公司 | Gearbox body assembly welding device |
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