A 3D precision measurement device

Abstract

The present invention is applicable to the field of measuring devices, and provides a 3D precision measuring device, which includes a support plate, and further includes: an adjustment assembly, a telescopic assembly, a CCD camera, a driving assembly, a clamping block, a friction assembly, a clamping table and a support frame; the support frame is fixedly installed on the support plate, the adjustment assembly is arranged on the support frame, the telescopic assembly is arranged on the adjustment assembly, and the CCD camera is installed on the telescopic assembly. The workpiece is placed on the clamping table, the adjustment assembly adjusts the angle between the CCD camera and the workpiece, the telescopic assembly adjusts the distance between the CCD camera and the workpiece, the friction assembly restricts the rotation of the clamping table, and then the driving assembly drives the clamping block to clamp the workpiece through the friction assembly. At the same time, the driving assembly drives the clamping table to rotate, so as to obtain the three-dimensional size of the workpiece. When the measurement is completed, the friction assembly releases the clamping state of the workpiece by releasing the rotation of the clamping table, thereby facilitating the clamping and disassembly of the workpiece.

Description

Technical Field

[0001] The present invention belongs to the field of measuring devices, and particularly relates to a 3D precision measuring device. Background Art

[0002] During the equipment manufacturing process, in order to ensure the quality of workpieces, it is necessary to measure the dimensions of the produced workpieces. When measuring manually, due to the large number of workpiece size data and the large manufacturing volume of workpieces, manual measurement can no longer meet the production needs. The existing method is to use a vision measurement system to measure the 3D dimensions of workpieces through a CCD camera. The CCD camera can automatically measure the appearance dimensions of products. By taking multi-angle photos of the detected products through the CCD camera, basic values such as the length, width, and height of the products can be measured. Also, according to different product measurement requirements, by increasing the number of CCD cameras and adjusting the angles, the measurement accuracy can be improved to 0.001 mm, and the dimensions of various shaped objects can be measured simultaneously. The corresponding dimensions are obtained through database operations and compared with the inherent data in the database to determine whether the product dimensions are qualified.

[0003] During measurement, the workpiece generally needs to be fixed, and then the CCD camera is used to take multi-angle photos of the detected product. The speed of manually fixing and disassembling the workpiece is slow, resulting in low measurement efficiency. Summary of the Invention

[0004] The purpose of the embodiments of the present invention is to provide a 3D precision measuring device, aiming to solve the problem that the speed of manually fixing and disassembling the workpiece is slow, resulting in low measurement efficiency.

[0005] The present invention is implemented as follows. A 3D precision measuring device includes a support plate, and further includes:

[0006] An adjustment component, a telescopic component, a CCD camera, a driving component, a clamping block, a friction component, a clamping tabletop, and a support frame;

[0007] The support frame is fixedly installed on the support plate. The adjustment component is arranged on the support frame. The telescopic component is arranged on the adjustment component. The CCD camera is installed on the telescopic component. The clamping tabletop is rotatably connected to the support plate. A plurality of clamping blocks are provided, and the plurality of clamping blocks are arranged on the clamping tabletop through the driving component. The friction component is arranged on the support plate;

[0008] The adjustment component is used to adjust the angle between the CCD camera and the workpiece. The telescopic component is used to adjust the distance between the CCD camera and the workpiece. The friction component is used to limit the rotation of the clamping tabletop. The driving component drives the clamping blocks to clamp the workpiece through the friction component. The friction component releases the clamping state of the workpiece by releasing the rotation of the clamping tabletop.

[0009] Further technical solution: The support frame is arc-shaped.

[0010] Further technical solution: The adjusting assembly includes a first sliding groove, a first sliding block, an internal gear ring and a gear. The first sliding groove is arranged on the outer side of the support frame. The first sliding block is slidably connected in the first sliding groove. The internal gear ring is fixedly installed on the inner side of the support frame. The gear is rotatably connected in the first sliding block. And a motor is fixedly installed on the first sliding block. The rotating end of the motor is meshed and matched with the gear.

[0011] Further technical solution: The telescopic assembly includes a guide sleeve, a telescopic rod and a fastening screw. The guide sleeve and the telescopic rod are respectively fixedly connected with the first sliding block and the CCD camera. The telescopic rod is slidably connected in the guide sleeve. The fastening screw is threadedly connected in the guide sleeve. And the end of the fastening screw abuts against the telescopic rod.

[0012] Further technical solution: The driving assembly includes a driving motor, a guide rod, a first compression spring, a guide block and a rotating disc. The driving motor is fixedly installed on the support plate. A plurality of guide grooves are arranged on the support frame. A sliding block is slidably connected in the guide groove. The clamping block is fixedly connected with the sliding block. The guide rod is fixedly installed in the guide groove. The guide rod is slidably matched with the sliding block. The first compression spring is sleeved on the guide rod. The guide block is fixedly installed on the sliding block. The rotating disc is rotatably connected in the support plate. A plurality of pushing grooves are annularly arranged on the rotating disc. The guide block is slidably connected in the pushing groove. And the guide block is cylindrical.

[0013] Further technical solution: The friction assembly includes a second sliding groove, a second sliding block, a friction block and a second compression spring. The second sliding groove is arranged in the support plate. The second sliding block is slidably connected in the second sliding groove. The friction block is fixedly installed on the second sliding block. The second compression spring is arranged in the second sliding groove.

[0014] Further technical solution: A pull rope is connected to the second sliding block. The end of the pull rope is connected with a pull ring.

[0015] For a 3D precision measurement device provided by an embodiment of the present invention, in use, the workpiece is placed on the clamping tabletop. The adjusting assembly adjusts the angle between the CCD camera and the workpiece. The telescopic assembly adjusts the distance between the CCD camera and the workpiece. The friction assembly restricts the rotation of the clamping tabletop. Then the driving assembly drives the clamping block to clamp the workpiece through the friction assembly. At the same time, the driving assembly drives the clamping tabletop to rotate. Thereby, the three-dimensional size of the workpiece is obtained. When the measurement is completed, the friction assembly releases the clamping state of the workpiece by releasing the rotation of the clamping tabletop. Thereby, it is convenient to clamp and disassemble the workpiece, and the measurement speed is improved. Description of the Drawings

[0016] Figure 1 Schematic structural diagram of a 3D precision measurement device provided by an embodiment of the present invention;

[0017] Figure 2 Provided by an embodiment of the present invention Figure 1 Schematic structural diagram of the clamping tabletop in

[0018] Figure 3 Provided by an embodiment of the present invention Figure 1 Enlarged schematic structural diagram of A in

[0019] In the drawings: support plate 1, adjustment assembly 2, first chute 201, first slider 202, internal gear ring 203, gear 204, telescopic assembly 3, guide sleeve 301, telescopic rod 302, fastening screw 303, CCD camera 4, drive assembly 5, drive motor 501, guide groove 502, sliding block 503, guide rod 504, first compression spring 505, guide block 506, rotating disc 507, pushing groove 508, clamping block 6, friction assembly 7, second chute 701, second slider 702, friction block 703, second compression spring 704, pull rope 705, pull ring 706, clamping tabletop 8, support frame 9. Detailed implementation manners

[0020] In order to make the objectives, technical solutions and advantages of the present invention clearer and more understandable, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0021] The following describes in detail the specific implementation of the present invention with reference to specific embodiments.

[0022] As shown in Figure 1 and Figure 2 A 3D precision measurement device provided by an embodiment of the present invention includes a support plate 1 and further includes:

[0023] Adjustment assembly 2, telescopic assembly 3, CCD camera 4, drive assembly 5, clamping block 6, friction assembly 7, clamping tabletop 8 and support frame 9;

[0024] The support frame 9 is fixedly installed on the support plate 1, the adjustment assembly 2 is arranged on the support frame 9, the telescopic assembly 3 is arranged on the adjustment assembly 2, the CCD camera 4 is installed on the telescopic assembly 3, the clamping tabletop 8 is rotatably connected to the support plate 1, a plurality of clamping blocks 6 are provided, and the plurality of clamping blocks 6 are arranged on the clamping tabletop 8 through the drive assembly 5, and the friction assembly 7 is arranged on the support plate 1;

[0025] The adjusting assembly 2 is used to adjust the angle between the CCD camera 4 and the workpiece, the telescopic assembly 3 is used to adjust the distance between the CCD camera 4 and the workpiece, the friction assembly 7 is used to limit the rotation of the clamping table 8, the driving assembly 5 drives the clamping block 6 to clamp the workpiece through the friction assembly 7, and the friction assembly 7 releases the clamping state of the workpiece by releasing the rotation of the clamping table 8.

[0026] In the embodiment of the present invention, during use, the workpiece is placed on the clamping table 8. The adjusting assembly 2 adjusts the angle between the CCD camera 4 and the workpiece, the telescopic assembly 3 adjusts the distance between the CCD camera 4 and the workpiece, the friction assembly 7 limits the rotation of the clamping table 8, and then the driving assembly 5 drives the clamping block 6 to clamp the workpiece through the friction assembly 7. At the same time, the driving assembly 5 drives the clamping table 8 to rotate, so as to obtain the three-dimensional size of the workpiece. When the measurement is completed, the friction assembly 7 releases the clamping state of the workpiece by releasing the rotation of the clamping table 8, thereby facilitating the clamping and disassembly of the workpiece and improving the measurement speed.

[0027] As Figure 1 shown, as a preferred embodiment of the present invention, the support frame 9 is arc-shaped. The adjusting assembly 2 includes a first chute 201, a first slider 202, an internal gear ring 203, and a gear 204. The first chute 201 is arranged on the outer side of the support frame 9, the first slider 202 is slidably connected in the first chute 201, the internal gear ring 203 is fixedly installed on the inner side of the support frame 9, the gear 204 is rotatably connected in the first slider 202, and a motor is fixedly installed on the first slider 202. The rotating end of the motor is meshed and matched with the gear 204.

[0028] In the embodiment of the present invention, the motor drives the gear 204 to rotate, the gear 204 drives the first slider 202 to move in the first chute 201, thereby driving the CCD camera 4 to move, so as to adjust the shooting angle of the CCD camera 4.

[0029] As Figure 1 shown, as a preferred embodiment of the present invention, the telescopic assembly 3 includes a guide sleeve 301, a telescopic rod 302, and a fastening screw 303. The guide sleeve 301 and the telescopic rod 302 are respectively fixedly connected to the first slider 202 and the CCD camera 4. The telescopic rod 302 is slidably connected in the guide sleeve 301. The fastening screw 303 is threadedly connected in the guide sleeve 301, and the end of the fastening screw 303 abuts against the telescopic rod 302.

[0030] In the embodiment of the present invention, when it is necessary to adjust the distance between the CCD camera 4 and the workpiece, loosen the fastening screw 303, pull the telescopic rod 302 to slide in the guide sleeve 301, and tighten the fastening screw 303 after the adjustment is completed.

[0031] As Figure 1 and Figure 2 shown, as a preferred embodiment of the present invention, the driving assembly 5 includes a driving motor 501, a guide rod 504, a first compression spring 505, a guide block 506 and a rotating disc 507. The driving motor 501 is fixedly installed on the support plate 1. A plurality of guide grooves 502 are provided on the support frame 9. A sliding block 503 is slidably connected in the guide groove 502. The clamping block 6 is fixedly connected to the sliding block 503. The guide rod 504 is fixedly installed in the guide groove 502. The guide rod 504 is slidably engaged with the sliding block 503. The first compression spring 505 is sleeved on the guide rod 504. The guide block 506 is fixedly installed on the sliding block 503. The rotating disc 507 is rotatably connected in the support plate 1. A plurality of pushing grooves 508 are annularly provided on the rotating disc 507. The guide block 506 is slidably connected in the pushing groove 508, and the guide block 506 is cylindrical.

[0032] In the embodiment of the present invention, the driving motor 501 drives the rotating disc 507 to rotate. The rotating disc 507 pushes the sliding block 503 to move towards the center of the clamping table 8 through the pushing groove 508 and the guide block 506. The sliding block 503 drives the clamping block 6 to move towards the center of the clamping table 8 until the clamping block 6 clamps the workpiece. The driving motor 501 continues to rotate. The driving motor 501 drives the clamping table 8 to rotate through the rotating disc 507. When the measurement is completed, the driving motor 501 stops rotating. The friction assembly 7 releases the friction force on the clamping table 8. The first compression spring 505 pushes the guide block 506 to move towards the edge of the clamping table 8, so that the clamping block 6 releases the workpiece.

[0033] As Figure 1 and Figure 3 shown, as a preferred embodiment of the present invention, the friction assembly 7 includes a second chute 701, a second slider 702, a friction block 703 and a second compression spring 704. The second chute 701 is provided in the support plate 1. The second slider 702 is slidably connected in the second chute 701. The friction block 703 is fixedly installed on the second slider 702. The second compression spring 704 is provided in the second chute 701. A pull rope 705 is connected to the second slider 702. The end of the pull rope 705 is connected to a pull ring 706.

[0034] In an embodiment of the present invention, the second compression spring 704 pushes the second slider 702 to move leftward. The second slider 702 drives the friction block 703 to move leftward, causing the friction block 703 to contact the clamping table 8. Consequently, the friction block 703 generates a frictional force that restricts the rotation of the clamping table 8. When it is necessary to release the workpiece, the pull ring 706 is pulled. The pull ring 706 drives the second slider 702 to move in the reverse direction through the pull rope 705, and the second slider 702 causes the friction block 703 to disengage from the clamping table 8.

[0035] In the above embodiment of the present invention, a 3D precision measurement device is provided. During use, the workpiece is placed on the clamping table 8. The motor drives the gear 204 to rotate. The gear 204 drives the first slider 202 to move in the first chute 201, thereby driving the CCD camera 4 to move, and thus adjusting the shooting angle of the CCD camera 4. When it is necessary to adjust the distance between the CCD camera 4 and the workpiece, the fastening screw 303 is loosened, and the telescopic rod 302 is pulled to slide within the guide sleeve 301. After the adjustment is completed, the fastening screw 303 is tightened. The second compression spring 704 pushes the second slider 702 to move leftward. The second slider 702 drives the friction block 703 to move leftward, causing the friction block 703 to contact the clamping table 8. Consequently, the friction block 703 generates a frictional force that restricts the rotation of the clamping table 8. The driving motor 501 drives the rotating disk 507 to rotate. The rotating disk 507 pushes the sliding block 503 to move towards the center of the clamping table 8 through the pushing groove 508 and the guide block 506. The sliding block 503 drives the clamping block 6 to move towards the center of the clamping table 8 until the clamping block 6 clamps the workpiece. The driving motor 501 continues to rotate. The driving motor 501 drives the clamping table 8 to rotate through the rotating disk 507. When the measurement is completed, the driving motor 501 stops rotating. The pull ring 706 is pulled. The pull ring 706 drives the second slider 702 to move in the reverse direction through the pull rope 705, and the second slider 702 causes the friction block 703 to disengage from the clamping table 8. The first compression spring 505 pushes the guide block 506 towards the edge of the clamping table 8, causing the clamping block 6 to release the workpiece. Then, the driving assembly 5 drives the clamping block 6 to clamp the workpiece through the friction assembly 7. At the same time, the driving assembly 5 drives the clamping table 8 to rotate, thereby obtaining the three-dimensional dimensions of the workpiece. When the measurement is completed, the friction assembly 7 releases the clamping state of the workpiece by releasing the rotation of the clamping table 8, thereby facilitating the clamping and disassembly of the workpiece and improving the measurement speed.

[0036] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, and improvements made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims

1. A 3D precision measurement device, comprising a support plate, characterized in that , further comprising: an adjustment component, a telescopic component, a CCD camera, a driving component, a clamping block, a friction component, a clamping tabletop and a support frame; The support frame is fixedly installed on the support plate, the adjustment component is arranged on the support frame, the telescopic component is arranged on the adjustment component, the CCD camera is installed on the telescopic component, the clamping tabletop is rotatably connected to the support plate, a plurality of clamping blocks are provided, and the plurality of clamping blocks are arranged on the clamping tabletop through the driving component, and the friction component is arranged on the support plate; The adjustment component is used to adjust the angle between the CCD camera and the workpiece, the telescopic component is used to adjust the distance between the CCD camera and the workpiece, the friction component is used to limit the rotation of the clamping tabletop, the driving component drives the clamping block to clamp the workpiece through the friction component, and the friction component releases the clamping state of the workpiece by releasing the rotation of the clamping tabletop; The driving component includes a driving motor, a guide rod, a first compression spring, a guide block and a rotating disc. The driving motor is fixedly installed on the support plate. A plurality of guide grooves are provided on the clamping tabletop. A sliding block is slidably connected in the guide groove. The clamping block is fixedly connected to the sliding block. The guide rod is fixedly installed in the guide groove. The guide rod is slidably matched with the sliding block. The first compression spring is sleeved on the guide rod. The guide block is fixedly installed on the sliding block. The rotating disc is rotatably connected in the support plate. A plurality of pushing grooves are annularly arranged on the rotating disc. The guide block is slidably connected in the pushing groove, and the guide block is cylindrical; The friction component includes a second chute, a second slider, a friction block and a second compression spring. The second chute is arranged in the support plate. The second slider is slidably connected in the second chute. The friction block is fixedly installed on the second slider. The second compression spring is arranged in the second chute. A pull rope is connected to the second slider, and the end of the pull rope is connected to a pull ring; The second compression spring pushes the second slider to move leftward. The second slider drives the friction block to move leftward, so that the friction block contacts the clamping tabletop. The friction block generates a frictional force that restricts the rotation of the clamping tabletop. The driving motor drives the rotating disc to rotate. The rotating disc pushes the sliding block to move towards the center of the clamping tabletop through the pushing groove and the guide block. The sliding block drives the clamping block to move towards the center of the clamping tabletop until the clamping block clamps the workpiece. The driving motor continues to rotate, and the driving motor drives the clamping tabletop to rotate through the rotating disc.

2. The 3D precision measurement device according to claim 1, characterized in that , the support frame is arc-shaped.

3. The 3D precision measurement device according to claim 2, wherein , the adjustment component includes a first chute, a first slider, an internal gear ring and a gear. The first chute is arranged on the outer side of the support frame. The first slider is slidably connected in the first chute. The internal gear ring is fixedly installed on the inner side of the support frame. The gear is rotatably connected in the first slider, and a motor is fixedly installed on the first slider. The rotating end of the motor is meshed and matched with the gear.

4. The 3D precision measurement device according to claim 3, characterized in that , the telescopic component includes a guide sleeve, a telescopic rod and a fastening screw. The guide sleeve and the telescopic rod are respectively fixedly connected to the first slider and the CCD camera. The telescopic rod is slidably connected in the guide sleeve. The fastening screw is threadedly connected in the guide sleeve, and the end of the fastening screw abuts against the telescopic rod.

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