CN218097630U - Automatic clamping device based on three-dimensional appearance measurement system - Google Patents
Automatic clamping device based on three-dimensional appearance measurement system Download PDFInfo
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- CN218097630U CN218097630U CN202222398482.3U CN202222398482U CN218097630U CN 218097630 U CN218097630 U CN 218097630U CN 202222398482 U CN202222398482 U CN 202222398482U CN 218097630 U CN218097630 U CN 218097630U
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Abstract
The utility model relates to an automatic clamping device based on three-dimensional appearance measurement system, relate to three-dimensional appearance and measure technical field, the device includes the frame, driven anchor clamps, initiative anchor clamps, driven anchor clamps are fixed in the frame, initiative anchor clamps slide and set up in the frame, initiative anchor clamps pass through locking piece and frame cooperation locking and unblock, driven anchor clamps are including setting up the fixed part in the frame, with fixed part normal running fit's first drive disk, install the first clamping part on first drive disk, the central line of first clamping part and the coincidence of the rotatory central line of first drive disk, initiative anchor clamps include the support with frame sliding fit, with support normal running fit's second drive dish, install the second clamping part on the second drive dish, the drive mechanism who links to each other with the second drive dish, the central line of first clamping part, the central line of second clamping part, the coincidence of the rotation central line of second drive dish. The device can effectively ensure that the sample is measured in the axial rotation, and the appearance position is precisely determined without loss.
Description
Technical Field
The invention relates to the technical field of three-dimensional topography measurement, in particular to an automatic clamping device based on a three-dimensional topography measurement system.
Background
A three-dimensional surface topography measuring system is produced by Bruker Nano lnc and is mainly used for testing the surface three-dimensional topography, the surface roughness and the step height of various samples (transparent, impervious, coated, non-coated, reflective, weak reflective and the like). The measurement software may directly display the roughness value in the measurement area. The existing three-dimensional surface topography measurement mainly comprises Vertical Scanning (VSI) and phase offset scanning (PSI), wherein the vertical scanning utilizes the optical interference principle, namely, when the optical path difference is equal, interference fringes are generated, and the distance between a lens and a sample to be measured is changed through the driving of a motor to drive the movement of the interference fringes so as to achieve the purpose of scanning the sample. Finally obtaining the characteristics of the sample such as three-dimensional appearance, surface roughness and the like. The method is generally used for measuring samples with high and low difference values of more than 180 nm. The phase shift scanning utilizes the interference principle of light, namely the interference fringes are generated when the optical path difference is equal, and the distance between the lens and a sample to be detected is changed by the driving of the motor, so that the phase shift is generated, the movement of the interference fringes is driven, and the purpose of scanning the sample is achieved. Finally obtaining the characteristics of the sample such as three-dimensional appearance, surface roughness and the like. The method is generally used for measuring samples with high and low difference values below 130nm, measuring ultra-smooth planes and the like, and has high requirements on environment, including vibration, noise and the like.
The existing clamp is usually composed of two clamping blocks, a groove for accommodating a sample to be tested is formed in the upper end face of each clamping block, the two ends of the sample to be tested are placed on the clamping blocks, the two ends of the sample to be tested are horizontal, the existing clamp cannot achieve the function of enabling the sample to be tested to rotate, the found three-dimensional shape can be easily lost through manual rotation, and the experiment time is greatly prolonged.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an automatic clamping device based on three-dimensional appearance measurement system to solve the problem that current anchor clamps can not realize the rotatory function of sample. In order to solve the problem, the utility model relates to an automatic clamping device based on three-dimensional appearance measurement system adopts following technical scheme:
the utility model provides an automatic clamping device based on three-dimensional appearance measurement system, which comprises a frame, driven anchor clamps, initiative anchor clamps, driven anchor clamps are fixed in the frame, initiative anchor clamps slide and set up in the frame, initiative anchor clamps can follow frame rectilinear sliding in order to be close to or keep away from driven anchor clamps, the space of placing of sample has been constituted between driven anchor clamps and the initiative anchor clamps, the locking piece sets up with the relative position of initiative anchor clamps and frame with locking and unblock respectively with initiative anchor clamps and frame cooperation, driven anchor clamps are including setting up the fixed part in the frame, with fixed part normal running fit's first drive disc, install the first clamping part on first drive disc, the central line of first clamping part and the rotatory central line coincidence of first drive disc, initiative anchor clamps include with frame sliding fit's support, with support normal running fit's second drive dish, install the second clamping part on the second drive dish, the drive mechanism who links to each other with the second drive dish, the central line of first clamping part, the central line of second clamping part, the central line coincidence of second drive dish, drive mechanism is used for driving the second drive dish and rotates along the support.
Preferably, the support is provided with a first circular channel and a second circular channel communicated with the first circular channel, the center line of the first circular channel is overlapped with the center line of the second circular channel, the second transmission disc is slidably sleeved in the first circular channel and can circumferentially slide along the inner wall of the first circular channel, the inner wall of the second circular channel is provided with inner teeth circumferentially arranged along the inner wall of the second circular channel, the transmission mechanism comprises a gear and a crank, the gear is located in the second circular channel and is meshed with the second circular channel, the gear is connected with the second transmission disc, the crank is hinged to the gear, and the center line of the gear and the hinge shaft of the crank are overlapped.
Preferably, the inner wall of the first circular channel is provided with an annular channel which extends along the circumferential direction of the inner wall and is connected end to end, a ball is arranged in the annular channel, and the ball is abutted to the second transmission disc.
Preferably, the device further comprises a motor, wherein the motor is connected with a crank, and a connecting point of the crank and the motor is positioned on the center line of the second circular channel.
Preferably, set up the slide that extends along its length direction in the frame, the bottom of support is provided with the slider that matches the slide shape, and the support can reciprocate to slide along the slide, and the locking piece sets up to the screw rod, and the screw rod passes the slider and links to each other with the slider spiro union, screw rod and frame normal running fit, and user's knob screw rod can make the slider move along the slide under its cooperation with the slide.
Preferably, the second clamping part comprises a limiting rod connected with the second transmission disc and a clamping head arranged at the top end of the limiting rod, and the central line of the limiting rod is overlapped with the rotating central line of the second transmission disc.
The utility model has the advantages as follows:
the utility model provides an automatic clamping device based on three-dimensional appearance measurement system, the difference with prior art lies in, the both ends of this anchor clamps through the initiative anchor clamps that the interval set up and driven anchor clamps difference butt sample are with the radial movement of restraint sample, place in same frame through driven anchor clamps and initiative anchor clamps simultaneously, and make the second clamping part of initiative anchor clamps and the first clamping part coaxial line of driven anchor clamps so that the sample can the level place, frame horizontal migration can be followed to the initiative anchor clamps, with the length adjustment according to the sample distance between initiative anchor clamps and the driven anchor clamps, and through locking piece locking current position with the restraint sample, drive mechanism is used for driving the second transmission dish and rotates along the support. The clamp can ensure that the sample is parallel to the objective table, ensure the integrity of the appearance of the tested sample, and can rotate the sample under the condition of not damaging the surface of the sample.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings needed to be used in the embodiments are briefly described as follows:
FIG. 1 is a schematic structural diagram of an embodiment of an automated clamping device based on a three-dimensional topography measurement system;
FIG. 2 is an isometric view of the active clamp;
FIG. 3 is an isometric view of the other orientation of FIG. 2;
FIG. 4 is an isometric view of the driven clamp;
FIG. 5 is a cross-sectional view of the mating relationship of the carrier and the second drive disk.
Description of reference numerals: 1. a frame; 11. a slideway; 2. a driven clamp; 21. a fixed part; 22. a first drive disk; 23. a first clamping portion; 3. an active clamp; 31. a support; 32. a second drive plate; 33. a second clamping portion; 34. a transmission mechanism; 341. a gear; 342. a crank; 4. a locking member; 6. a ball bearing; 7. perforating; 8. an electric motor.
Detailed Description
In order to make the technical purpose, technical solutions and advantageous effects of the present invention clearer, the technical solutions of the present invention are further described below with reference to the accompanying drawings and specific embodiments.
The utility model provides an automatic clamping device based on three-dimensional appearance measurement system, as shown in the figure, automatic clamping device based on three-dimensional appearance measurement system includes frame 1, driven anchor clamps 2, initiative anchor clamps 3, driven anchor clamps 2 are fixed in frame 1, initiative anchor clamps 3 slide and set up in frame 1, the space of placing of sample has been constituted between driven anchor clamps 2 and the initiative anchor clamps 3, length direction rectilinear slide that initiative anchor clamps 3 can follow frame 1 is in order to be close to or keep away from driven anchor clamps 2, remove with restraint sample with both distances of length adjustment according to the sample. A locking member 4 is arranged in cooperation with the active clamp 3 and the chassis 1, respectively, to lock and unlock the relative position of the active clamp 3 and the chassis 1.
Driven anchor clamps 2 is including setting up fixed part 21, first drive disk 22 on frame 1, installing first clamping part 23 on first drive disk 22, first drive disk 22 and fixed part 21 normal running fit, the central line of first clamping part 23 and the coincidence of the rotation central line of first drive disk 22, first drive disk 22 can use its central line to rotate as the rotation central line. The driving clamp 3 comprises a support 31 in sliding fit with the frame 1, a second transmission disc 32 in rotating fit with the support 31, a second clamping part 33 arranged on the second transmission disc 32, and a transmission mechanism 34 connected with the second transmission disc 32, wherein a center line of the first clamping part 23, a center line of the second clamping part 33, a center line of the second transmission disc 32 and a rotating center line of the first transmission disc 22 are overlapped, the second transmission disc 32 can rotate by taking the center line thereof as a rotating center line, and the transmission mechanism 34 is used for driving the second transmission disc 32 to rotate along the support 31. When a sample is clamped on the fixture through the cooperation of the first clamping part 23 and the second clamping part 33, the driving fixture 3 works to drive the sample to rotate, the sample rotates to drive the first clamping part 23 of the driven fixture 2 to rotate, and the first clamping part 23 rotates to drive the first transmission disc 22 to rotate.
Specifically, the transmission mechanism 34 includes a gear 341 and a crank 342, the support 31 is provided with circular channels penetrating through two opposite sides of the support 31, each circular channel includes a first circular channel and a second circular channel which are communicated with each other, a center line of the first circular channel is collinear with a center line of the second circular channel, the second circular channel 32 is slidably sleeved in the first circular channel and can rotate along an inner wall of the first circular channel, the center line of the first circular channel is collinear with the center line of the second circular channel 32, inner teeth circumferentially arranged along the inner wall of the second circular channel are provided on the inner wall of the second circular channel, the gear 341 is located in the second circular channel and is meshed with the second circular channel, the center lines of the gear 341 and the second circular channel are parallel and arranged at intervals, the gear 341 is connected with the second circular channel 32, the crank 342 is hinged to the gear 341, and a hinge shaft of the crank 342 overlaps with a rotation center line of the gear 341. Further, the first circular passage protrudes outward with a stopper plate for restricting the second transmission disc 32 from sliding out of the first circular passage along the axial direction.
Offer along its inner wall circumference extension and end to end's annular channel on the inner wall of first circular passageway, be provided with a plurality of balls 6 in the annular channel, ball 6 offsets with second driving disc 32.
Offer the slide 11 that extends along its length direction on the frame 1, the bottom of support 31 is provided with the slider of the 11 shapes of matching slide, support 31 cooperation is installed in slide 11 and can be slided along slide 11 round trip, locking piece 4 sets up to the screw rod, the screw rod links to each other with the slider cooperation in proper order, frame 1 cooperation links to each other, user's knob screw rod can make the slider remove along the length direction of slide 11 under the cooperation of slider and slide 11. Further, the slide rail 11 is provided with a dovetail groove, a T-shaped groove, or the like which can limit the slider from moving out in the width direction of the slide rail 11. Furthermore, a through hole matched with the threaded rod to penetrate is formed in the sliding block, the threaded rod penetrates through the through hole and is connected with the sliding block in a matched mode, specifically, the threaded rod is connected with one of the sliding block and the rack 1 in a threaded mode, the other of the sliding block and the rack is in running fit (idle running), further, the threaded rod penetrates through the sliding block and is in running fit with the sliding block, and the threaded rod is connected with the rack 1 in a threaded mode.
The second clamping portion 33 includes a limiting rod connected to the second transmission disc 32, and a clamping head disposed at a top end of the limiting rod, and a central line of the limiting rod overlaps a rotational central line of the second transmission disc 32. Furthermore, the clamping head is detachably connected with the limiting rod in a screw connection mode, a plug-in connection mode and the like, so that the clamping head can be conveniently replaced.
The fixing portion 21 is provided with a third circular channel penetrating through the fixing portion 21, a central line of the third circular channel is collinear with a central line of the first circular channel, the first driving disk 22 is slidably sleeved in the third circular channel and can rotate along the inner wall of the third circular channel, the inner wall of the third circular channel is also provided with an annular channel which extends along the circumferential direction of the inner wall of the third circular channel and is connected end to end, balls 6 are arranged in the annular channel, the balls 6 abut against the first driving disk 22, and the structure of the first clamping portion 23 is the same as that of the second clamping portion 33.
In an alternative embodiment, the device further comprises a motor, the motor is connected to the crank 342, and the connection point of the crank 342 and the motor is located on the center line of the second circular channel. The output shaft of the motor is collinear with the center line of the second channel.
Finally, it should be noted that: the above embodiments are only used for illustration and not for limiting the technical solution of the present invention, and any equivalent substitutions and modifications or partial substitutions which do not depart from the spirit and scope of the present invention should be covered by the scope of the claims of the present invention.
Claims (5)
1. Automatic clamping device based on three-dimensional appearance measurement system, which is characterized in that, which comprises a frame, driven anchor clamps, initiative anchor clamps, driven anchor clamps are fixed in the frame, initiative anchor clamps slide and set up in the frame, initiative anchor clamps can slide in order to be close to or keep away from driven anchor clamps along the frame straight line, the space of placing of sample has been constituted between driven anchor clamps and the initiative anchor clamps, the locking piece sets up in order to lock and unlock the relative position of initiative anchor clamps and frame with initiative anchor clamps and frame cooperation respectively, driven anchor clamps include the fixed part that sets up in the frame, first drive plate with fixed part normal running fit, install the first clamping part on first drive plate, the central line of first clamping part and the rotatory central line of first drive plate coincide, initiative anchor clamps include the support with frame sliding fit, with support normal running fit's second drive plate, install the second clamping part on the second drive plate, the drive mechanism that links to each other with the second drive plate, the central line of first clamping part, the central line of second clamping part, the rotation central line coincidence of second drive plate, drive mechanism is used for driving the second drive plate and rotate along the support.
2. The automatic clamping device based on the three-dimensional topography measurement system according to claim 1, wherein the support is provided with a first circular channel and a second circular channel communicated with the first circular channel, a center line of the first circular channel is overlapped with a center line of the second circular channel, the second transmission disc is slidably sleeved in the first circular channel and can circumferentially slide along an inner wall of the first circular channel, inner teeth circumferentially arranged along the inner wall of the second circular channel are arranged on the inner wall of the second circular channel, the transmission mechanism comprises a gear and a crank, the gear is positioned in the second circular channel and is meshed with the second circular channel, the gear is connected with the second transmission disc, the crank is hinged with the gear, and the center line of the gear and the crank are overlapped with a hinged shaft of the gear.
3. The automatic clamping device based on the three-dimensional topography measurement system according to claim 2, wherein an annular channel is formed in the inner wall of the first circular channel, extends along the circumferential direction of the inner wall of the first circular channel, is connected end to end, and is internally provided with balls which abut against the second transmission disc.
4. The automatic clamping device based on the three-dimensional topography measurement system according to claim 3, further comprising a motor, wherein the motor is connected with a crank, and a connection point of the crank and the motor is located on a center line of the second circular channel.
5. The automatic clamping device based on the three-dimensional topography measurement system according to claim 4, wherein a slide way extending along the length direction of the machine frame is formed in the machine frame, a slide block matched with the shape of the slide way is arranged at the bottom of the support, the support can slide back and forth along the slide way, the locking piece is a screw rod, the screw rod penetrates through the slide block and is in threaded connection with the slide block, the screw rod is in running fit with the machine frame, and a user can move the slide block along the slide way by turning the screw rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222398482.3U CN218097630U (en) | 2022-09-09 | 2022-09-09 | Automatic clamping device based on three-dimensional appearance measurement system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222398482.3U CN218097630U (en) | 2022-09-09 | 2022-09-09 | Automatic clamping device based on three-dimensional appearance measurement system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218097630U true CN218097630U (en) | 2022-12-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222398482.3U Active CN218097630U (en) | 2022-09-09 | 2022-09-09 | Automatic clamping device based on three-dimensional appearance measurement system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218097630U (en) |
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2022
- 2022-09-09 CN CN202222398482.3U patent/CN218097630U/en active Active
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