CN214537880U

CN214537880U - Be used for non-contact three-dimensional scanning positioner

Info

Publication number: CN214537880U
Application number: CN202120816508.4U
Authority: CN
Inventors: 李凯
Original assignee: Shaanxi Zhongji Saide Intelligent Technology Co ltd
Current assignee: Shaanxi Zhongji Saide Intelligent Technology Co ltd
Priority date: 2021-04-21
Filing date: 2021-04-21
Publication date: 2021-10-29
Anticipated expiration: 2031-04-21

Abstract

The utility model discloses a be used for non-contact three-dimensional scanning positioner relates to three-dimensional scanning technical field, including workstation and benchmark platform, the surface threaded connection of two-way lead screw has screw-nut, and the inside sliding connection of workstation has the lift axle, and the interior roof fixedly connected with coupling spring of lift axle, the inside of sliding tray are pegged graft and are had the slide bar, and the lower extreme fixedly connected with connecting rod of slide bar, a side fixedly connected with compression spring of briquetting, a side butt of briquetting are in the internal surface of fixed slot. The utility model discloses a set up two-way lead screw, screw-nut, sliding block, lift axle, transmission groove and connecting block, realize highly adjusting positioner, do not need rethread adjustment scanner to accomplish the scanning, improve convenience in use and adaptability, through setting up slide bar, telescopic link, compression spring, adjusting block, connecting rod and briquetting, prevent that the work piece from appearing rocking easily in the scanning, guarantee the scanning precision.

Description

Be used for non-contact three-dimensional scanning positioner

Technical Field

The utility model relates to a three-dimensional scanning technical field specifically is a be used for non-contact three-dimensional scanning positioner.

Background

As a scientific inspection instrument for inspecting and analyzing the shape, structure, and the like of a three-dimensional structure object, a three-dimensional scanner is widely used in the fields of industrial design, vehicle manufacturing, reverse engineering, medical inspection, robot navigation, and the like, because of its advantages of high measurement degree, low cost, high efficiency, high accuracy, and the like. The three-dimensional scanner includes a contact three-dimensional scanner and a non-contact three-dimensional scanner. When the non-contact three-dimensional scanner collects data, the scanning head is not usually contacted with a measured object, but a plurality of positioning points are arranged on the surface of the measured object before scanning, so that the positioning points are identified in the scanning process, the position of each surface of the measured object is determined, the fitting of scanning data is realized, and the scanning of the measured object is finally completed. When scanning a workpiece, the workpiece needs to be stably positioned and fixed.

At present, the current positioner who is used for non-contact three-dimensional scanning is inconvenient adjusts its height according to actual demand, still need to accomplish the scanning through adjusting the scanner, it is inconvenient a bit in the use, and it is most direct to put on the benchmark platform by the scanning work piece, the work piece appears rocking easily in the scanning, influence the scanning precision, current positioner who is used for non-contact three-dimensional scanning has inconvenient according to actual demand to its height adjust and the work piece appears rocking easily in the scanning problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a be used for non-contact three-dimensional scanning positioner, solved the problem of proposing among the above-mentioned background art to the not enough of prior art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the automatic lifting device comprises a workbench and a reference table, wherein a bidirectional screw rod is connected to the inside of the workbench in a rotating mode, a screw nut is connected to the outer surface of the bidirectional screw rod in a threaded mode, a sliding block is fixedly connected to the upper surface of the screw nut, a lifting shaft is connected to the inside of the workbench in a sliding mode, a transmission groove is formed in the lower surface of the lifting shaft, a connecting spring is fixedly connected to the inner top wall of the lifting shaft, a sliding groove is formed in the reference table, a sliding rod is inserted into the sliding groove, a telescopic rod is inserted into the sliding rod, a connecting rod is fixedly connected to the lower end of the sliding rod, a pressing block is connected to the lower portion of the connecting rod in a sliding mode, a compression spring is fixedly connected to one side face of the pressing block, a fixing groove is formed in the lower surface of the sliding groove, and one side face of the pressing block abuts against the inner surface of the fixing groove.

Optionally, the one end fixedly connected with dwang of two-way lead screw, the interior diapire and the screw-nut sliding connection of workstation, the upper surface shape of sliding block is the inclined plane type.

Optionally, the inside and the sliding block sliding connection of drive groove, the upper portion butt of sliding block in the interior roof of drive groove, the shape of drive groove is right triangle-shaped.

Optionally, the lower end of the connecting spring is fixedly connected with a connecting block, the lower end of the connecting block is fixedly connected with the workbench, and the connecting block is sleeved outside the bidirectional screw rod.

Optionally, the upper surface of the reference table is provided with a guide groove, the inner surface of the guide groove is connected with the sliding rod in a sliding manner, the cross section of the telescopic rod is in a T shape, the outer surface of the telescopic rod is fixedly connected with a stop block, and the inside of the telescopic rod is connected with the stop block in a sliding manner.

Optionally, the inner surface of the adjusting block is connected with the connecting rod in a sliding manner, the upper portion of the lifting shaft is rotatably connected with a connecting shaft, the connecting shaft is T-shaped, and the upper surface of the connecting shaft is fixedly connected with a reference table.

Advantageous effects

The utility model provides a be used for non-contact three-dimensional scanning positioner possesses following beneficial effect:

1. this be used for non-contact three-dimensional scanning positioner, through setting up two-way lead screw, screw-nut, the sliding block, the lift axle, transmission groove and connecting block, the rotation accessible screw-nut of two-way lead screw drives the sliding block and slides, thereby jack-up the lift axle upwards through the transmission groove, and the two-way lead screw of reverse rotation, connecting spring can pull the lift axle and descend, thereby realize adjusting positioner's height, need not rethread adjustment scanner to accomplish the scanning, improve convenience in use and adaptability.

2. This be used for non-contact three-dimensional scanning positioner, through setting up the slide bar, the telescopic link, compression spring, the adjusting block, connecting rod and briquetting, make connecting rod and briquetting break away from the fixed slot through upwards pulling the slide bar, can remove slide bar and telescopic link along the guide slot this moment, press from both sides the work piece tight back when three telescopic link, press down the slide bar and make connecting rod and briquetting inject the internal surface at the fixed slot again that compression spring promotes the briquetting sticiss in the fixed slot, thereby it is fixed with slide bar and telescopic link, and press from both sides tightly the work piece, prevent that the work piece from appearing rocking easily in the scanning, guarantee the scanning precision.

Drawings

FIG. 1 is a schematic view of the front perspective structure of the present invention;

FIG. 2 is a schematic side sectional view of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2 according to the present invention;

fig. 4 is a schematic view of the sectional partial structure of the datum table in front view.

In the figure: 1. a work table; 2. a bidirectional screw rod; 3. rotating the rod; 4. a reference table; 5. a guide groove; 6. a telescopic rod; 7. a slide bar; 8. a feed screw nut; 9. a slider; 10. a lifting shaft; 11. connecting blocks; 12. A connecting spring; 13. a connecting shaft; 14. fixing grooves; 15. a sliding groove; 16. a compression spring; 17. an adjusting block; 18. a connecting rod; 19. briquetting; 20. a stopper; 21. a transmission groove.

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.

Referring to fig. 1 to 4, the present invention provides a technical solution: a positioning device for non-contact three-dimensional scanning comprises a workbench 1 and a reference platform 4, wherein a bidirectional screw rod 2 is rotatably connected inside the workbench 1, a screw nut 8 is connected to the outer surface of the bidirectional screw rod 2 in a threaded manner, a sliding block 9 is fixedly connected to the upper surface of the screw nut 8, a rotating rod 3 is fixedly connected to one end of the bidirectional screw rod 2, the inner bottom wall of the workbench 1 is slidably connected with the screw nut 8, the upper surface of the sliding block 9 is in an inclined plane shape, a lifting shaft 10 is slidably connected inside the workbench 1, a transmission groove 21 is formed in the lower surface of the lifting shaft 10, the inside of the transmission groove 21 is slidably connected with the sliding block 9, the upper portion of the sliding block 9 abuts against the inner top wall of the transmission groove 21, the transmission groove 21 is in a right-angled triangle shape, a connecting spring 12 is fixedly connected to the inner top wall of the lifting shaft 10, and a connecting block 11 is fixedly connected to the lower end of the connecting spring 12, the lower end of the connecting block 11 is fixedly connected with the workbench 1, the connecting block 11 is sleeved outside the bidirectional screw rod 2, the inside of the reference table 4 is provided with a sliding groove 15, the inside of the sliding groove 15 is inserted with a sliding rod 7, the inside of the sliding rod 7 is inserted with a telescopic rod 6, the lower end of the sliding rod 7 is fixedly connected with a connecting rod 18, the lower part of the connecting rod 18 is slidably connected with a pressing block 19, one side surface of the pressing block 19 is fixedly connected with a compression spring 16, the upper surface of the reference table 4 is provided with a guide groove 5, the inner surface of the guide groove 5 is slidably connected with the sliding rod 7, the cross section of the telescopic rod 6 is in a T shape, the outer surface of the telescopic rod 6 is fixedly connected with a stop block 20, the inside of the telescopic rod 6 is slidably connected with the stop block 20, the lower surface of the sliding groove 15 is provided with a fixing groove 14, one side surface of the pressing block 19 is abutted against the inner surface of the fixing groove 14, and the inner surface of the adjusting block 17 is slidably connected with the connecting rod 18, the upper part of the lifting shaft 10 is rotatably connected with a connecting shaft 13, the connecting shaft 13 is T-shaped, and the upper surface of the connecting shaft 13 is fixedly connected with a reference table 4.

When the bidirectional screw rod positioning device is used, the rotating rod 3 is screwed to drive the bidirectional screw rod 2 to rotate, the rotation of the bidirectional screw rod 2 can drive the sliding blocks 9 to slide inwards in the transmission groove 21 through the screw rod nuts 8, so that the lifting shaft 10 is jacked upwards through the inclined plane of the transmission groove 21, the connecting springs 12 are stretched and in a stretching state, and when the bidirectional screw rod 2 is rotated reversely, the sliding blocks 9 on the two sides slide towards the two sides, and the connecting springs 12 can pull the lifting shaft 10 to descend, so that the height of the positioning device can be adjusted, scanning is not required to be completed through adjusting a scanner, and the use convenience and the adaptability are improved; make connecting rod 18 and briquetting 19 break away from fixed slot 14 through pulling up slide bar 7, can remove slide bar 7 and telescopic link 6 along guide slot 5 this moment, and drive adjusting block 17 and slide in sliding tray 15, the accessible removes three group slide bar 7 and telescopic link 6 and presss from both sides the back with the work piece clamp, then press down slide bar 7 and make connecting rod 18 and briquetting 19 inject compression spring 16 promotion briquetting 19 again in fixed slot 14 and sticis pressing at the internal surface of fixed slot 14, thereby it is fixed with slide bar 7 and telescopic link 6, and press from both sides tightly the work piece, prevent that the work piece from appearing rocking easily in the scanning, guarantee the scanning precision, and make the device can adapt to various work pieces through the flexible of adjustment telescopic link 6.

To sum up, the utility model discloses a set up two-way lead screw 2, screw-nut 8, sliding block 9, lift axle 10, transmission groove 21 and connecting block 11, the rotation of two-way lead screw 2 can drive sliding block 9 through screw-nut 8 and slide, thereby jack up lift axle 10 upwards through transmission groove 21, and the two-way lead screw 2 of reverse rotation, connecting spring 12 can pull lift axle 10 and descend, thereby realize adjusting the height of positioner, do not need to accomplish the scanning again through adjusting the scanner, improve convenience of use and adaptability, through setting up slide bar 7, telescopic link 6, compression spring 16, adjusting block 17, connecting rod 18 and briquetting 19, make connecting rod 18 and briquetting 19 break away from fixed slot 14 through pulling up slide bar 7, can remove slide bar 7 and telescopic link 6 along guide slot 5 at this moment, after three telescopic link 6 clamp the work piece, pressing down slide bar 7 makes connecting rod 18 and briquetting 19 reinsert in fixed slot 14 in compression spring 16 promotes briquetting 19 and sticiss at the internal surface of fixed slot 14 to fix slide bar 7 and telescopic link 6, and press from both sides tightly the work piece, prevent that the work piece from appearing rocking easily in the scanning, guarantee the scanning precision.

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

1. A positioning device for non-contact three-dimensional scanning, comprising a workbench (1) and a reference table (4), and is characterized in that: the automatic lifting device is characterized in that a bidirectional screw rod (2) is rotatably connected inside the workbench (1), a screw nut (8) is in threaded connection with the outer surface of the bidirectional screw rod (2), a sliding block (9) is fixedly connected to the upper surface of the screw nut (8), a lifting shaft (10) is slidably connected inside the workbench (1), a transmission groove (21) is formed in the lower surface of the lifting shaft (10), a connecting spring (12) is fixedly connected to the inner top wall of the lifting shaft (10), a sliding groove (15) is formed inside the reference table (4), a sliding rod (7) is inserted inside the sliding groove (15), a telescopic rod (6) is inserted inside the sliding rod (7), a connecting rod (18) is fixedly connected to the lower end of the sliding rod (7), a pressing block (19) is slidably connected to the lower portion of the connecting rod (18), and a compression spring (16) is fixedly connected to one side face of the pressing block (19), the lower surface of the sliding groove (15) is provided with a fixing groove (14), and one side surface of the pressing block (19) is abutted against the inner surface of the fixing groove (14).

2. A positioning device for non-contact three-dimensional scanning according to claim 1, characterized in that: one end fixedly connected with dwang (3) of two-way lead screw (2), the interior diapire and screw-nut (8) sliding connection of workstation (1), the upper surface shape of sliding block (9) is the inclined plane type.

3. A positioning device for non-contact three-dimensional scanning according to claim 1, characterized in that: the inside and sliding block (9) sliding connection of transmission groove (21), the upper portion butt in the interior roof of transmission groove (21) of sliding block (9), the shape of transmission groove (21) is right triangle-shaped.

4. A positioning device for non-contact three-dimensional scanning according to claim 1, characterized in that: the lower extreme fixedly connected with connecting block (11) of connecting spring (12), the lower extreme and workstation (1) fixed connection of connecting block (11), connecting block (11) cup joint in the outside of two-way lead screw (2).

5. A positioning device for non-contact three-dimensional scanning according to claim 1, characterized in that: guide slot (5) have been seted up to the upper surface of benchmark platform (4), guide slot (5) internal surface and slide bar (7) sliding connection, the cross sectional shape of telescopic link (6) is T shape, the external fixed surface of telescopic link (6) is connected with dog (20), the inside and dog (20) sliding connection of telescopic link (6).

6. A positioning device for non-contact three-dimensional scanning according to claim 1, characterized in that: the inner surface of adjusting block (17) and connecting rod (18) sliding connection, the upper portion of lift axle (10) is rotated and is connected with connecting axle (13), the shape of connecting axle (13) is the T type, the last fixed surface of connecting axle (13) is connected with reference platform (4).