Dimension detection equipment

Abstract

The utility model belongs to the technical field of battery production, and particularly relates to size detection equipment. Comprising a base, the upper part of which is provided with a rotating assembly, a first detection assembly and a second detection assembly; wherein the rotating end of the rotating assembly is suitable for bearing a battery; the first detection assembly and the second detection assembly are arranged on the two sides of the rotating assembly respectively. Wherein the detection end of the first detection assembly is suitable for sliding to the position above the rotating assembly to detect the plane of the battery, and the detection end of the second detection assembly is suitable for sliding to the position above the rotating assembly to detect the three-dimensional detection of the battery; two-dimensional detection is carried out on the battery through the first detection assembly, three-dimensional detection is carried out on the battery through the second detection assembly, and the detection accuracy is improved; the rotating end of the rotating assembly drives the battery to rotate, so that the battery can be subjected to multi-direction two-dimensional detection and three-dimensional detection, the occupied space of equipment is reduced, the structure of the equipment is optimized, the maintenance and use cost is reduced, and the battery detection efficiency and precision are improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of battery production, and specifically relates to size detection equipment. Background Art

[0002] With the vigorous development of new energy, battery modules, as a vital part of it, have higher and higher requirements for their quality. Battery modules need to be tested in various ways before delivery. The manual testing method in related technologies leads to low testing efficiency and unguaranteed testing quality, which increases production costs. Another related technology testing equipment has a relatively complex structure, which makes maintenance more difficult. In addition, the use of two sets of cameras and variable-distance pallets increases costs and occupies a large space.

[0003] Therefore, it is necessary to provide a size detection device that solves the problems of large space occupation, high cost and low detection efficiency of the detection device. Utility Model Content

[0004] The purpose of the utility model is to provide a size detection device.

[0005] In order to solve the above technical problems, the utility model provides a size detection device, including: a base, on the upper part of which is arranged a rotating component, a first detection component and a second detection component; wherein the rotating end of the rotating component is suitable for carrying a battery; the first detection component and the second detection component are respectively arranged on both sides of the rotating component; wherein the detection end of the first detection component is suitable for sliding to the top of the rotating component for plane detection of the battery, and the detection end of the second detection component is suitable for sliding to the top of the rotating component for three-dimensional detection of the battery.

[0006] Furthermore, the rotating assembly includes a rotating cylinder and a tray for carrying batteries; wherein the rotating cylinder is arranged on the upper part of the base; and the tray is arranged on the upper part of the turntable of the rotating cylinder.

[0007] Furthermore, the rotating assembly includes a limiting assembly and a positioning assembly which are arranged diagonally; after the battery is placed, the limiting end of the limiting assembly is suitable for pushing the battery toward the positioning end of the positioning assembly to fix the battery.

[0008] Furthermore, the limiting assembly includes at least two limiting plates, which are horizontally slidably arranged above the tray; the positioning assembly includes at least two positioning plates, which are lifted and lowered on the side walls of the tray; after the battery is placed, the positioning plate rises, and the limiting plate slides to push the battery toward the positioning plate so that the battery is supported by the positioning plate.

[0009] Further, the limit assembly includes at least two limit support plates and at least two limit cylinders; wherein the limit support plate fixes the side wall on the pallet, the limit cylinder is arranged on the upper part of the limit support plate, and the limit plate is arranged on the piston rod of the limit cylinder; the extension and retraction direction of the piston rod of the limit cylinder is parallel to the upper part of the pallet; the positioning assembly includes at least two positioning support plates and at least two positioning cylinders, the positioning support plate fixes the bottom of the pallet, the positioning cylinder is arranged on the side wall of the positioning support plate, and the positioning plate is arranged on the piston rod of the positioning cylinder; and the extension and retraction direction of the piston rod of the positioning cylinder is parallel to the side wall of the pallet.

[0010] Furthermore, the first detection assembly includes a first guide rail, a first detection board and a 2D camera; wherein

[0011] The first guide rail is arranged on the upper part of the base, the first detection plate is horizontally slidably arranged on the upper part of the first guide rail, the 2D camera is arranged on the side wall of the first detection plate; and the 2D camera is suitable for sliding to the top of the battery to perform plane detection.

[0012] Furthermore, the first detection component also includes a first linear motor and a first slider; wherein the first linear motor is arranged on the side wall of the guide rail; the first slider is connected to the driving end of the first linear motor and slides on the first guide rail; and the first detection plate is arranged on the upper part of the first slider.

[0013] Furthermore, the first detection component also includes a first lifting cylinder, a first lifting guide rail and a first lifting plate; wherein the first lifting cylinder is arranged on the upper part of the first lifting plate; the first lifting guide rail is arranged on the inner wall of the first lifting plate; the first lifting plate is connected to the output end of the first lifting cylinder; and the 2D camera is arranged on the side wall of the first lifting plate.

[0014] Furthermore, a fine tuner is provided on the side wall of the first lifting plate, and the D camera is arranged on the sliding end of the fine tuner.

[0015] Furthermore, the second detection component includes a second guide rail, a second detection plate and a 3D camera; wherein the second guide rail is arranged on the upper part of the base; the second detection plate is horizontally slidably arranged on the upper part of the second guide rail; the 3D camera is arranged on the side wall of the second detection plate; and the 3D camera is suitable for sliding to the top of the battery to perform three-dimensional detection.

[0016] Further, the second detection component includes a second linear motor and a second slider; wherein the second linear motor is arranged on the side wall of the second guide rail; the second slider is connected to the driving end of the second linear motor and slides on the second guide rail; and the second detection plate is arranged on the upper part of the second slider.

[0017] Furthermore, the second detection component includes a second lifting cylinder, a second lifting guide rail and a second lifting plate; wherein the second lifting cylinder is arranged on the upper part of the second lifting plate; the second lifting guide rail is arranged on the inner wall of the second lifting plate; the second lifting plate is connected to the output end of the second lifting cylinder; and the 3D camera is arranged on the side wall of the second lifting plate.

[0018] Furthermore, a fine tuner is provided on the side wall of the second lifting plate, and the 3D camera is arranged on the sliding end of the fine tuner.

[0019] Furthermore, a workbench is arranged on the upper part of the base, and a pair of support seats are arranged on the upper part of the workbench in a mirror image; wherein the first guide rail and the second guide rail are respectively arranged on the upper part of the support seat, and the rotating cylinder is arranged on the upper part of the workbench.

[0020] The beneficial effects of the utility model are as follows: by setting a base, the base structure is simple and reliable, and can stabilize the assumed rotating component, the first detection component and the second detection component, providing a good working environment for the size detection equipment of the utility model; when detecting the battery, the battery is placed on the rotating end of the rotating component, the detection end of the first detection component slides to the top of the battery for two-dimensional detection of the battery, and the detection end of the second detection component slides to the top of the battery for three-dimensional detection, thereby increasing the accuracy of detection; the battery is driven to rotate by the rotating end of the rotating component, so that the battery can be detected in two dimensions in multiple directions by the first detection component and in three dimensions in multiple directions by the second detection component, thereby reducing the space occupied by the equipment, optimizing the structure of the equipment, reducing the maintenance and use costs, and improving the efficiency and accuracy of battery detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0022] Figure 1 This is a schematic diagram of the axonometric structure of the dimension detection device of the utility model;

[0023] Figure 2It is a schematic diagram of the axonometric structure of the workbench, the first detection component, the second detection component and the rotating component of the utility model;

[0024] Figure 3 It is a schematic diagram of the structure of the size detection device of the utility model from a top view perspective.

[0025] In the figure:

[0026] 1. Base, 11. Workbench, 12. Support seat, 13. Battery, 2. First detection component, 21. First guide rail, 22. First detection plate, 23. 2D camera, 24. First linear motor, 25. First slider, 26. First lifting cylinder, 27. First lifting guide rail, 28. First lifting plate, 29. Fine-tuning instrument, 3. Second detection component, 31. Second guide rail, 32. Second detection plate, 33. 3D camera, 34. Second linear motor, 35. Second slider, 36. Second lifting cylinder, 37. Second lifting guide rail, 38. Second lifting plate, 4. Rotating component, 41. Rotating cylinder, 42. Pallet, 43. Limiting component, 431. Limiting plate, 432. Limiting support plate, 433. Limiting cylinder, 44. Positioning component, 441. Positioning plate, 442. Positioning support plate, 443. Positioning cylinder. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the technical solution of the utility model will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] In some embodiments, Figures 1 to 3As shown, the utility model provides a size detection device, including: a base 1, on which a rotating component 4, a first detection component 2 and a second detection component 3 are arranged; the rotating end of the rotating component 4 is suitable for carrying a battery 13; the first detection component 2 and the second detection component 3 are respectively arranged on both sides of the rotating component 4; the detection end of the first detection component 2 is suitable for sliding to the top of the rotating component 4 to perform a plane detection on the battery 13, and the detection end of the second detection component 3 is suitable for sliding to the top of the rotating component 4 to perform a three-dimensional detection on the battery 13; by setting the base 1, the base 1 has a simple and reliable structure, and can stably assume that the rotating component 4, the first detection component 2 and the second detection component Component 3 provides a good working environment for the size detection device of the utility model; when detecting the battery 13, the battery 13 is placed on the rotating end of the rotating component 4, the detection end of the first detection component 2 slides to the top of the battery 13 to perform two-dimensional detection of the battery 13, and the detection end of the second detection component 3 slides to the top of the battery 13 for three-dimensional detection, thereby improving the detection accuracy; the battery 13 is driven to rotate by the rotating end of the rotating component 4, so that the battery 13 can be detected in two dimensions in multiple directions by the first detection component 2 and in three dimensions in multiple directions by the second detection component 3, thereby reducing the space occupied by the equipment, optimizing the structure of the equipment, reducing the maintenance and use costs, and improving the detection efficiency and accuracy of the battery 13.

[0029] The rotating assembly 4 includes a rotating cylinder 41 and a tray 42 for carrying the battery 13; wherein the rotating cylinder 41 is arranged on the upper part of the base 1; the tray 42 is arranged on the upper part of the turntable of the rotating cylinder 41; the rotating cylinder 41 occupies a small space, has high working precision, and can stably drive the tray 42 to rotate; the battery 13 can be stably supported by the tray 42, avoiding the shaking of the battery 13 when rotating, thereby improving the stability and precision of detecting the battery 13;

[0030] The rotating component 4 includes a limiting component 43 and a positioning component 44 which are arranged diagonally; after the battery 13 is placed, the limiting end of the limiting component 43 is suitable for pushing the battery 13 toward the positioning end of the positioning component 44 to fix the battery 13; in order to adapt to the sizes of different batteries 13, by setting the limiting component 43 and the positioning component 44, after the battery 13 is placed on the tray 42, the positioning end line of the positioning component 44 rises on the side wall of the tray 42 and extends out of the upper part of the tray 42, and the limiting end of the limiting component 43 slides horizontally above the tray 42 to push the battery 13 to the positioning end of the positioning component 44 to complete the fixation of the battery 13 and prevent the battery 13 from shaking.

[0031] The limiting assembly 43 includes at least two limiting plates 431, which are horizontally slidably arranged above the tray 42; the positioning assembly 44 includes at least two positioning plates 441, which are raised and lowered on the side walls of the tray 42; after the battery 13 is placed, the positioning plate 441 rises, and the limiting plate 431 slides to push the battery 13 toward the positioning plate 441 so that the battery 13 is supported by the positioning plate 441; the limiting plate 431 and the positioning plate 441 are adapted to the side walls of the battery 13, and can fit the side walls of the tray to stably clamp the battery 13.

[0032] The limiting assembly 43 includes at least two limiting support plates 432 and at least two limiting cylinders 433; wherein the limiting support plate 432 fixes the side wall on the tray 42, the limiting cylinder 433 is arranged on the upper part of the limiting support plate 432, and the limiting plate 431 is arranged on the piston rod of the limiting cylinder 433; the extension direction of the piston rod of the limiting cylinder 433 is parallel to the upper part of the tray 42. The positioning assembly 44 includes at least two positioning support plates 442 and at least two positioning The cylinder 443, the positioning support plate 442 fixes the bottom of the tray 42, the positioning cylinder 443 is arranged on the side wall of the positioning support plate 442, the positioning plate 441 is arranged on the piston rod of the positioning cylinder 443; and the extension and retraction direction of the piston rod of the positioning cylinder 443 is parallel to the side wall of the tray 42; the limiting support plate 432 can stably mount the limiting cylinder 433, so that the piston rod of the limiting cylinder 433 steadily drives the limiting plate 431 to slide above the tray to push the battery 13 pack.

[0033] The first detection component 2 includes a first guide rail 21, a first detection plate 22 and a 2D camera 23; wherein the first guide rail 21 is arranged on the upper part of the base 1, the first detection plate 22 is horizontally slidably arranged on the upper part of the first guide rail 21, and the 2D camera 23 is arranged on the side wall of the first detection plate 22; and the 2D camera 23 is suitable for sliding to the top of the battery 13 to perform plane detection; the first detection plate 22 can slide steadily on the first guide rail 21 to drive the 2D camera 23 to slide to the top of the battery 13, and the 2D camera 23 can quickly obtain a two-dimensional image of the battery 13 to complete the first layer detection of the battery 13.

[0034] The first detection component 2 also includes a first linear motor 24 and a first slider 25; wherein the first linear motor 24 is arranged on the side wall of the guide rail; the first slider 25 is connected to the driving end of the first linear motor 24 and slides on the first guide rail 21; and the first detection plate 22 is arranged on the upper part of the first slider 25; the first linear motor 24 has high working precision, occupies a small space, and can stably drive the first slider 25 to slide, thereby driving the first detection plate 22 to slide.

[0035] The first detection component 2 also includes a first lifting cylinder 26, a first lifting rail 27 and a first lifting plate 28; wherein the first lifting cylinder 26 is arranged on the upper part of the first lifting plate; the first lifting rail 27 is arranged on the inner wall of the first lifting plate; the first lifting plate 28 is connected to the output end of the first lifting cylinder 26; and the 2D camera 23 is arranged on the side wall of the first lifting plate 28; in order to ensure that the 2D camera 23 is at an accurate detection height and can quickly detect the battery 13, the first lifting plate 28 is driven by the first lifting cylinder 26 to slide on the first lifting rail 27, thereby driving the 2D camera 23 to rise and fall, so that the 2D camera 23 and the battery 13 are at a suitable height position, thereby ensuring the detection accuracy.

[0036] The side wall of the first lifting plate 28 is provided with a fine tuner 29, and the 2D camera 23 is arranged on the sliding end of the fine tuner 29; by providing the fine tuner 29, the sliding end of the fine tuner 29 can more accurately drive the 2D camera 23 to rise and fall to the optimal detection distance, thereby further improving the detection accuracy of the 2D camera 23.

[0037] The second detection component 3 includes a second guide rail 31, a second detection plate 32 and a 3D camera 33; wherein the second guide rail 31 is arranged on the upper part of the base 1; the second detection plate 32 is horizontally slidably arranged on the upper part of the second guide rail 31; the 3D camera 33 is arranged on the side wall of the second detection plate 32; and the 3D camera 33 is suitable for sliding to the top of the battery 13 to perform three-dimensional detection; the second detection plate 32 can slide steadily on the second guide rail 31 to drive the 3D camera 33 to slide to the top of the battery 13, and the 3D camera 33 can quickly obtain a three-dimensional image of the battery 13 to complete the second layer detection of the battery 13; combined with the two-dimensional image formed by the 2D camera 23, the two-dimensional image is combined with the three-dimensional image to perform visual detection and judgment on the battery 13, and the result is more accurate.

[0038] The second detection component 3 includes a second linear motor 34 and a second slider 35; wherein the second linear motor 34 is arranged on the side wall of the second guide rail 31; the second slider 35 is connected to the driving end of the second linear motor 34 and slides on the second guide rail 31; and the second detection plate 32 is arranged on the upper part of the second slider 35; the second linear motor 34 has high working precision, occupies a small space, and can stably drive the second slider 35 to slide, thereby driving the second detection plate 32 to slide.

[0039] The second detection component 3 includes a second lifting cylinder 36, a second lifting rail 37 and a second lifting plate 38; wherein the second lifting cylinder 36 is arranged on the upper part of the second lifting plate; the second lifting rail 37 is arranged on the inner wall of the second lifting plate; the second lifting plate 38 is connected to the output end of the second lifting cylinder 36; and the 3D camera 33 is arranged on the side wall of the second lifting plate 38; in order to ensure that the 3D camera 33 is at an accurate detection height and can quickly detect the battery 13, the second lifting plate 38 is driven by the second lifting cylinder 36 to slide on the second lifting rail 37, thereby driving the 3D camera 33 to rise and fall, so that the 3D camera 33 and the battery 13 are at a suitable height position, thereby ensuring the detection accuracy.

[0040] The side wall of the second lifting plate 38 is provided with a fine tuner 29, and the 3D camera 33 is arranged on the sliding end of the fine tuner 29; by providing the fine tuner 29, the sliding end of the fine tuner 29 can more accurately drive the 3D camera 33 to rise and fall to the optimal detection distance, thereby further improving the detection accuracy of the 3D camera 33.

[0041] A workbench 11 is arranged on the upper part of the base 1, and a pair of support seats 12 are arranged in a mirror image on the upper part of the workbench 11; wherein the first guide rail 21 and the second guide rail 31 are respectively arranged on the upper part of the support seat 12, and the rotating cylinder 41 is arranged on the upper part of the workbench 11; the workbench 11 can stably install the support seat 12 and the rotating cylinder 41, so that the first detection component 2, the second detection component 3 and the rotating component 4 can all work steadily.

[0042] The working process of the size detection equipment of the utility model is as follows: the staff puts the battery 13 module on the tray 42, and the limit cylinder 433 and the positioning cylinder 443 work, and the limit plate 431 pushes the battery 13 and the positioning plate 441 resists to complete the fixation of the battery 13. The limit cylinder 433 and the positioning cylinder 443 ensure the accuracy of the position of the battery 13 and realize multi-size battery 13 modules, thereby improving the detection adaptability; the 2D camera 23 and the 3D camera 33 can be adjusted to a precise detection height through the fine adjustment instrument 29, thereby ensuring the accuracy of the equipment detection; after the 2D camera 23 and the 3D camera 33 complete the detection of one end of the battery 13, the rotating cylinder 41 then works to rotate the tray 42 180°, and the 2D camera 23 and the 3D camera 33 complete the other half of the detection of the battery 13, and finally the staff removes the battery 13 to complete the detection.

[0043] Based on the above ideal embodiments of the utility model, the relevant staff can make various changes and modifications without deviating from the technical concept of the utility model through the above description. The technical scope of the utility model is not limited to the content of the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. A size detection device, characterized in that: include: A base (1), the upper portion of which is provided with a rotating assembly (4), a first detection assembly (2) and a second detection assembly (3); in The rotating end of the rotating assembly (4) is suitable for carrying a battery (13); The first detection component (2) and the second detection component (3) are respectively arranged on both sides of the rotating component (4); wherein the detection end of the first detection component (2) is suitable for sliding above the rotating component (4) to perform a two-dimensional detection of the battery (13), and the detection end of the second detection component (3) is suitable for sliding above the rotating component (4) to perform a three-dimensional detection of the battery (13).

2. A size detection device as claimed in claim 1, characterized in that: The rotating assembly (4) comprises a rotating cylinder (41) and a tray (42) for carrying batteries; wherein The rotary cylinder (41) is arranged on the upper part of the base (1); The tray (42) is arranged on the upper part of the turntable of the rotary cylinder (41).

3. A size detection device as claimed in claim 2, characterized in that: The rotating assembly (4) comprises a limiting assembly (43) and a positioning assembly (44) which are arranged diagonally. After the battery (13) is placed, the limiting end of the limiting assembly (43) is suitable for pushing the battery (13) toward the positioning end of the positioning assembly (44) so ​​as to fix the battery (13).

4. A size detection device as claimed in claim 3, characterized in that: The limiting assembly (43) comprises at least two limiting plates (431), and the limiting plates (431) are horizontally slidably arranged above the tray (42); The positioning assembly (44) comprises at least two positioning plates (441), and the positioning plates (441) are arranged on the side walls of the tray (42) in a lifting manner; After the battery (13) is placed, the positioning plate (441) rises, and the limiting plate (431) slides to push the battery (13) toward the positioning plate (441) so that the battery (13) is supported by the positioning plate (441).

5. A size detection device as claimed in claim 4, characterized in that: The position limiting assembly (43) comprises at least two position limiting support plates (432) and at least two position limiting cylinders (433); wherein The limiting support plate (432) fixes the side wall of the tray (42), the limiting cylinder (433) is arranged on the upper part of the limiting support plate (432), and the limiting plate (431) is arranged on the piston rod of the limiting cylinder (433); The extension and retraction direction of the piston rod of the limiting cylinder (433) is parallel to the upper part of the tray (42); The positioning assembly (44) comprises at least two positioning support plates (442) and at least two positioning cylinders (443), the positioning support plates (442) fixing the bottom of the tray (42), the positioning cylinders (443) being arranged on the side walls of the positioning support plates (442), and the positioning plates (441) being arranged on the piston rods of the positioning cylinders (443); and The extension and retraction direction of the piston rod of the positioning cylinder (443) is parallel to the side wall of the tray (42).

6. A size detection device as claimed in claim 1, characterized in that: The first detection component (2) comprises a first guide rail (21), a first detection plate (22) and a 2D camera (23); wherein The first guide rail (21) is arranged on the upper part of the base (1), the first detection plate (22) is horizontally slidably arranged on the upper part of the first guide rail (21), and the 2D camera (23) is arranged on the side wall of the first detection plate (22); and The 2D camera (23) is suitable for sliding onto the top of the battery (13) to perform plane detection.

7. A size detection device as claimed in claim 6, characterized in that: The first detection component (2) further comprises a first linear motor (24) and a first slider (25); wherein The first linear motor (24) is arranged on a side wall of the guide rail; The first sliding block (25) is connected to the driving end of the first linear motor (24) and slides on the first guide rail (21); and The first detection plate (22) is arranged on the upper part of the first sliding block (25).

8. A size detection device as claimed in claim 7, characterized in that: The first detection assembly (2) further comprises a first lifting cylinder (26), a first lifting guide rail (27) and a first lifting plate (28); wherein The first lifting cylinder (26) is arranged on the upper part of the first lifting plate; The first lifting guide rail (27) is arranged on the inner wall of the first lifting plate; The first lifting plate (28) is connected to the output end of the first lifting cylinder (26); and The 2D camera (23) is arranged on a side wall of the first lifting plate (28).

9. A size detection device as claimed in claim 8, characterized in that: A fine tuner (29) is provided on the side wall of the first lifting plate (28), and the 2D camera (23) is arranged on the sliding end of the fine tuner (29).

10. A size detection device as claimed in claim 1, characterized in that: The second detection component (3) comprises a second guide rail (31), a second detection plate (32) and a 3D camera (33); wherein The second guide rail (31) is arranged on the upper part of the base (1); The second detection plate (32) is horizontally slidably arranged on the upper part of the second guide rail (31); The 3D camera (33) is arranged on a side wall of the second detection plate (32); and The 3D camera (33) is suitable for sliding onto the top of the battery (13) to perform three-dimensional detection.

11. A size detection device as claimed in claim 10, characterized in that: The second detection component (3) comprises a second linear motor (34) and a second slider (35); wherein The second linear motor (34) is arranged on a side wall of the second guide rail (31); The second sliding block (35) is connected to the driving end of the second linear motor (34) and slides on the second guide rail (31); and The second detection plate (32) is arranged on the upper part of the second sliding block (35).

12. A size detection device according to claim 11, characterized in that: The second detection assembly (3) comprises a second lifting cylinder (36), a second lifting guide rail (37) and a second lifting plate (38); wherein The second lifting cylinder (36) is arranged on the upper part of the second lifting plate; The second lifting guide rail (37) is arranged on the inner wall of the second lifting plate; The second lifting plate (38) is connected to the output end of the second lifting cylinder (36); and The 3D camera (33) is arranged on a side wall of the second lifting plate (38).

13. A size detection device as claimed in claim 12, characterized in that: A fine-tuning instrument (29) is provided on the side wall of the second lifting plate (38), and the 3D camera (33) is arranged on the sliding end of the fine-tuning instrument (29).

14. A size detection device according to claim 1, characterized in that: A workbench (11) is arranged on the upper part of the base (1), and a pair of support seats (12) are arranged in a mirror image on the upper part of the workbench (11); wherein The first guide rail (21) and the second guide rail (31) are respectively arranged on the upper part of the support seat (12), and the rotary cylinder (41) is arranged on the upper part of the workbench (11).

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