A continuous-casting and continuous-rolling lead strip width measuring plate

Abstract

The utility model belongs to lead -acid battery manufacturing technical field, specifically discloses a kind of continuous casting and rolling lead tape width measurement board, including measurement board body, the upper surface and the lower surface of measurement board body are coaxially provided with convex ring structure respectively, the convex ring structure includes multiple convex rings, multiple convex rings are radially arranged with equal intervals from measurement board body surface center, and measurement groove is formed between adjacent two convex rings;The cross section shape of the convex ring is rectangle.The utility model provides a kind of continuous casting and rolling lead tape width measurement board, by being provided with convex ring structure on the upper side, lower side of measurement board body, the convex ring structure is made of multiple turns of convex ring, and measurement groove for lead tape width measurement is formed between adjacent two convex rings, whether the qualification of lead tape width can be determined in batches, using the continuous casting and rolling lead tape width measurement board provided by the utility model, detection efficiency is high, fast, detection result is accurate, avoid the problem that lead tape measurement width is difficult and not easy to measure accurately in prior art.

Description

Technical Field

[0001] This utility model belongs to the field of lead-acid battery manufacturing technology, and in particular relates to a continuous casting and rolling lead strip width measuring plate. Background Technology

[0002] In the lead-acid battery manufacturing industry, continuous casting and rolling processes are widely used in the continuous production of lead strips. In this process, the lead strip needs to be cut into strips of a specific width by a slitting machine to meet the requirements of the downstream screen stamping process. In actual production, when the lead strip is cut by the slitting machine, the accuracy of the slitting machine's spacing adjustment directly affects the consistency of the width of the cut lead strip. For example, if the slitting machine spacing is not properly adjusted, the width of the cut lead strip may be too narrow or too wide, which can lead to a chain reaction of problems in subsequent processing stages.

[0003] Specifically, lead strips, due to their material characteristics (such as thickness typically less than 2 mm, soft texture, and high ductility) and their elongated shape after processing, present significant defects in width measurement after cutting. Traditional measuring tools (such as vernier calipers) are prone to measurement errors during operation due to the soft surface of the lead strip: during measurement, the caliper jaws can easily squeeze the edge of the lead strip, causing deformation, or the caliper may tilt because the lead strip is difficult to keep straight, resulting in readings that are too high or too low. This inaccuracy makes it difficult for operators to quickly determine whether the lead strip width is up to standard, easily leading to misjudgments, and consequently, the slitting machine parameters cannot be corrected in time. Width deviations in lead strips will cause significant defects in the subsequent screen punching process: if the lead strip is too wide, it cannot pass smoothly through the punching die during screen punching; if the lead strip is too narrow, the produced screen belt is prone to skewing and misalignment during screen punching. Utility Model Content

[0004] The purpose of this invention is to provide a continuous casting and rolling lead strip width measuring plate to solve the problem of difficulty and inaccuracy in measuring lead strip width in the existing technology.

[0005] The objective of this utility model can be achieved through the following technical solutions:

[0006] A continuous casting and rolling lead strip width measuring plate includes a measuring plate body. The upper and lower surfaces of the measuring plate body are respectively coaxially provided with convex ring structures. The convex ring structures include multiple convex rings, which are arranged radially and equally spaced outward from the center of the surface of the measuring plate body. A measuring groove is formed between two adjacent convex rings.

[0007] The cross-sectional shape of the convex ring is rectangular.

[0008] Furthermore, in the convex ring structure on the upper side of the measuring plate body, the radial distance between two adjacent convex rings is d1, where d1 is the upper limit value of the lead strip width;

[0009] In the convex ring structure on the lower side of the measuring plate body, the radial distance between two adjacent convex rings is d2, where d2 is the lower limit value of the lead strip width.

[0010] According to the continuous casting and rolling lead strip width measuring plate provided by this utility model, since d1 is the upper limit value of lead strip width and d2 is the lower limit value of lead strip width, the width of lead strips cut to a specific width by a slitting machine during the continuous casting and rolling process can be quickly detected. It can quickly detect the width of multiple lead strips, with fast detection speed, simple operation, and accurate measurement, thus improving the detection speed and accuracy of lead strip width.

[0011] Furthermore, in the convex ring structure, the total number of convex rings is not less than 6.

[0012] Furthermore, the measuring plate body is made of any one of metal, ceramic, polymer, or composite material.

[0013] Furthermore, a marking area is also provided within the measuring groove.

[0014] Furthermore, at least one measuring groove is provided with an elastic pad.

[0015] Furthermore, at least one measuring groove is provided with a partition plate, which is snapped into the measuring groove.

[0016] Furthermore, the thickness of the convex ring is 0.5-1.2 mm.

[0017] Furthermore, in the convex ring structure, the length of the convex ring located at the center of the upper and lower sides of the measuring plate body is 300-400mm.

[0018] Furthermore, the measuring plate body is provided with side extension plates at both the left and right ends, and each of the two side extension plates is provided with a rotation operation component. The rotation operation component located at the right end of the measuring plate body is also provided with a rotation drive component.

[0019] A storage plate is also provided above the measuring plate body;

[0020] The rotating operating assembly includes a pneumatic gripper, a rotating connector, and a mounting bracket. The left end of the rotating connector is connected to the mounting end of the pneumatic gripper, and the rotating connector is rotatably mounted on the mounting bracket.

[0021] The pneumatic gripper is used to hold the side extension plate;

[0022] The rotary drive is used to drive the rotary connector to rotate.

[0023] According to the continuous casting and rolling lead strip width measuring plate provided by this utility model, since it is equipped with a rotation drive and a storage plate, after measuring the upper limit value of the width of multiple lead strips, the multiple lead strips can be dropped into the storage plate by rotating the measuring plate body and the storage plate. Then, by rotating the measuring plate body, the storage plate is brought close to the lower side of the measuring plate body. Then, the measuring plate body is rotated again, so that the lead strips on the storage plate fall into the lower side of the measuring plate body, thereby measuring the lower limit value of the width of the lead strips.

[0024] Compared with the prior art, the beneficial effects of this utility model are:

[0025] This invention provides a continuous casting and rolling lead strip width measuring plate. The measuring plate body has convex ring structures on both its upper and lower sides. These convex ring structures consist of multiple rings, with a measuring groove formed between adjacent rings for measuring lead strip width. This allows for batch testing of lead strip width to determine its compliance. Using this continuous casting and rolling lead strip width measuring plate results in high efficiency, speed, and accurate measurement, avoiding the difficulties and inaccuracies in measuring lead strip width in existing technologies. Attached Figure Description

[0026] The accompanying drawings, which are included to provide a further understanding of the present invention and form part of this application, illustrate exemplary embodiments of the present invention and, together with the description thereof, serve to explain the present invention and do not constitute an undue limitation thereof. In the drawings:

[0027] Figure 1 This is a structural front view of the present invention;

[0028] Figure 2 This is a top view of the measuring plate body of this utility model;

[0029] Figure 3 This is a schematic diagram of the installation structure of the measuring plate body and the storage plate of this utility model.

[0030] The reference numerals in the attached drawings are as follows: 1. Measuring plate body; 2. Convex ring structure; 3. Convex ring; 4. Measuring groove; 6. Side extension plate; 7. Rotation operation assembly; 8. Rotation drive component; 9. Storage plate; 71. Pneumatic gripper; 72. Rotation connector; 73. Mounting bracket; 74. Top support plate; 75. Bottom support; 76. Support plate. Detailed Implementation

[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0032] In the description of this utility model, it should be understood that the terms "opening", "upper", "lower", "thickness", "top", "middle", "length", "inner", "around" and other terms indicating orientation or positional relationship are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0033] In the lead-acid battery manufacturing industry, continuous casting and rolling processes are widely used in the continuous production of lead strips. In this process, the lead strip needs to be cut into strips of a specific width by a slitting machine to meet the requirements of the downstream screen stamping process. In actual production, when the lead strip is cut by the slitting machine, the accuracy of the slitting machine's spacing adjustment directly affects the consistency of the width of the cut lead strip. For example, if the slitting machine spacing is not properly adjusted, the width of the cut lead strip may be too narrow or too wide, which can lead to a chain reaction of problems in subsequent processing stages.

[0034] Specifically, lead strips, due to their material characteristics (such as thickness typically less than 2 mm, soft texture, and high ductility) and their elongated shape after processing, present significant defects in width measurement after cutting. Traditional measuring tools (such as vernier calipers) are prone to measurement errors during operation due to the soft surface of the lead strip: during measurement, the caliper jaws can easily squeeze the edge of the lead strip, causing deformation, or the caliper may tilt because the lead strip is difficult to keep straight, resulting in readings that are too high or too low. This inaccuracy makes it difficult for operators to quickly determine whether the lead strip width is up to standard, easily leading to misjudgments, and consequently, the slitting machine parameters cannot be corrected in time. Width deviations in lead strips will cause significant defects in the subsequent screen punching process: if the lead strip is too wide, it cannot pass smoothly through the punching die during screen punching; if the lead strip is too narrow, the produced screen belt is prone to skewing and misalignment during screen punching.

[0035] Based on this, the present invention provides a continuous casting and rolling lead strip width measuring plate to solve the problem of difficulty and inaccuracy in measuring the width of lead strip in the prior art.

[0036] Example 1

[0037] like Figure 1As shown, this embodiment provides a continuous casting and rolling lead strip width measuring plate, including a measuring plate body 1. The upper and lower surfaces of the measuring plate body 1 are respectively coaxially provided with a convex ring structure 2. The convex ring structure 2 includes a plurality of convex rings 3. The plurality of convex rings 3 are arranged radially outward from the center of the surface of the measuring plate body 1 at equal intervals, and a measuring groove 4 is formed between two adjacent convex rings 3.

[0038] The cross-sectional shape of the convex ring 3 is rectangular;

[0039] In the convex ring structure 2 on the upper side of the measuring plate body 1, the radial distance between two adjacent convex rings 3 is d1, where d1 is the upper limit value of the lead strip width.

[0040] In the convex ring structure 2 on the lower side of the measuring plate body 1, the radial distance between two adjacent convex rings 3 is d2, where d2 is the lower limit of the lead strip width.

[0041] In this continuous casting and rolling lead strip width measuring plate, since d1 is the upper limit of the lead strip width and d2 is the lower limit of the lead strip width, the width of lead strips cut to a specific width by a slitting machine during the continuous casting and rolling process can be quickly detected. It can quickly detect the width of multiple lead strips, with fast detection speed, simple operation, and accurate measurement, thus improving the speed and accuracy of lead strip width detection. Specifically, the detection process is as follows: The lead strip to be tested is placed into the measuring groove 4 on the upper side of the measuring plate body 1. If the lead strip can be successfully placed into the measuring groove 4 on the upper side of the measuring plate body 1, it indicates that the width value of the lead strip is not greater than the upper limit of the lead strip width, and it is judged as an upper limit qualified lead strip. The upper limit qualified lead strip is then placed into the measuring groove 4 on the lower side of the measuring plate body 1. If the upper limit qualified lead strip cannot be placed into the measuring groove 4 on the lower side of the measuring plate body 1, it indicates that the width value of the upper limit qualified lead strip is not less than the lower limit of the lead strip width, and it is judged as a qualified lead strip.

[0042] In this testing process, if the lead strip cannot be inserted into the measuring groove 4 on the upper side of the measuring plate body 1, or if the lead strip can be inserted into the measuring groove 4 on the lower side of the measuring plate body 1, it indicates that the width of the lead strip does not meet the standard requirements and is a non-conforming product.

[0043] Example 2

[0044] like Figure 1 As shown, this embodiment provides a continuous casting and rolling lead strip width measuring plate. The difference from embodiment 1 is that in this embodiment, the top of the convex ring 3 is provided with an inclined groove, which makes the inner surface of the convex ring 3 form a structure that is wider at the top and narrower at the bottom.

[0045] With this configuration, since the cross-sectional shape of the convex ring 3 is rectangular, the bottom of the convex ring 3 is a rectangular frame structure, while the top of the convex ring 3 is provided with an inclined groove. Based on this, the rectangular frame structure at the bottom of the convex ring 3 and the inclined groove structure at the top form a double limiting system. The rectangular frame structure provides a stable horizontal bearing base for the lead strip, and the slope feature of the inclined groove structure forms a progressive guide channel. That is, the upper opening end of the inclined groove structure adopts a flared design, so that when the lead strip is placed into the measuring groove 4, it can naturally slide into the lower positioning area (i.e., the rectangular frame structure at the bottom of the convex ring 3).

[0046] Example 3

[0047] like Figure 1 As shown, this embodiment provides a continuous casting and rolling lead strip width measuring plate, which differs from Embodiment 1 in that the total number of convex rings 3 in the convex ring structure 2 is not less than 6.

[0048] The design incorporates multiple convex rings 3, with a measuring groove 4 formed between adjacent convex rings 3. This geometric layout enables parallel measurement of multiple lead strip samples. Each measuring groove 4 can be used to measure the width of the lead strip sample, allowing for simultaneous measurement of multiple samples in a single operation, significantly improving detection efficiency. Furthermore, the multiple measuring grooves 4 ensure the independence of width measurements for different lead strip samples and prevent mutual interference during the measurement process, making it suitable for batch detection of lead strip widths. This design combines the advantages of compact structure and economical operation.

[0049] Example 4

[0050] like Figure 1 As shown, this embodiment provides a continuous casting and rolling lead strip width measuring plate, which differs from Embodiment 1 in that the measuring plate body 1 is made of any one of metal, ceramic, polymer, or composite material;

[0051] Specifically, the measuring plate body 1 can be made of CFRP, which is lightweight and easy to process and manufacture.

[0052] Example 5

[0053] like Figure 1 As shown, this embodiment provides a continuous casting and rolling lead strip width measuring plate, which differs from Embodiment 1 in that the measuring groove 4 is also provided with a marking area;

[0054] The marking area indicates that standard scale lines and tolerance range marks corresponding to the measuring groove 4 are etched, providing an intuitive visual reference. At the same time, the marking area is also etched with the dimensional data of the measuring groove 4, such as the length, width and depth of the measuring groove.

[0055] Example 5

[0056] like Figure 1 As shown, this embodiment provides a continuous casting and rolling lead strip width measuring plate, which differs from Embodiment 1 in that at least one measuring groove 4 is provided with an elastic pad layer;

[0057] The measuring plate is equipped with adjustable elastic pads, and the number of these pads is adjustable. This adjustable elastic pad structure effectively enables the depth of the measuring groove 4 to be adjusted. Specifically, the elastic pads are precision-made from a high-resilience material, and the depth of the measuring groove 4 can be precisely adjusted by increasing or decreasing the number of elastic pads according to the actual thickness of the lead strip being measured. This structure allows the measuring plate to be adapted to lead strips of different specifications, significantly reducing the equipment replacement costs caused by changes in specifications while ensuring measurement accuracy. In practical applications, operators only need to perform a simple layering operation of the elastic pads to quickly adapt the depth of the lead strip to the measuring groove 4, improving switching efficiency and facilitating subsequent removal of the lead strip.

[0058] Example 6

[0059] like Figure 1 As shown, this embodiment provides a continuous casting and rolling lead strip width measuring plate, which differs from Embodiment 1 in that at least one measuring groove 4 is provided with a partition plate, and the partition plate is snapped into the measuring groove 4;

[0060] A divider plate is provided for measuring lead strips of different lengths. The divider plate can be snapped into the measuring groove 4, so the divider plate can be easily installed and removed from the measuring groove 4.

[0061] Example 7

[0062] like Figures 1 to 3 As shown, this embodiment provides a continuous casting and rolling lead strip width measuring plate, which differs from Embodiment 1 in that the thickness of the convex ring 3 is 0.5-1.2mm;

[0063] In the convex ring structure 2, the length of the convex ring 3 located at the center of the upper and lower sides of the measuring plate body 1 is 300-400mm.

[0064] Example 8

[0065] like Figures 1 to 3 As shown, this embodiment provides a continuous casting and rolling lead strip width measuring plate. The difference from embodiment 1 is that the left and right ends of the measuring plate body 1 are both fixedly provided with side extension plates 6, and the two side extension plates 6 are both provided with rotating operation components 7. The rotating operation component 7 located at the right end of the measuring plate body 1 is also provided with a rotating drive component 8.

[0066] A storage plate 9 is also provided above the measuring plate body 1;

[0067] The rotary operation assembly 7 includes a pneumatic gripper 71, a rotary connector 72, and a mounting bracket 73. The left end of the rotary connector 72 is fixedly connected to the mounting end of the pneumatic gripper 71.

[0068] The rotating connector 72 located on the right end of the rotating operation assembly 7 of the measuring plate body 1 has its right end connected to the output end of the rotating drive 8;

[0069] The pneumatic gripper 71 is used to grip the edge extension plate 6;

[0070] The rotary drive component 8 is used to drive the rotary connector 72 to rotate. The rotary drive component 8 can be a drive motor.

[0071] Specifically, the mounting bracket 73 includes a top support plate 74 and a bottom support 75 fixedly connected to the bottom surface of the top support plate 74, and the mounting seat of the rotary drive component 8 is mounted on the top support plate 74.

[0072] One end of the rotating connector 72 is connected to the mounting end of the pneumatic gripper 71, and the other end of the rotating connector 72 is rotatably mounted inside the top support plate 74;

[0073] In addition, a support plate 76 is fixedly installed between the two bottom supports 75 in the two mounting brackets 73.

[0074] Because of the rotating drive component 8 and the storage plate 9, after determining the upper limit of the width of the multiple lead strips, the multiple lead strips can be dropped into the storage plate 9 by rotating the measuring plate body 1 and the storage plate 9. Then, by rotating the measuring plate body 1, the storage plate 9 is brought close to the lower side of the measuring plate body 1. Then, the measuring plate body 1 is rotated again, so that the lead strips on the storage plate 9 fall into the lower side of the measuring plate body 1, and the lower limit of the width of the lead strips is determined. Specifically, the operation procedure is as follows:

[0075] S1. Use pneumatic grippers 71 to clamp the edge extension plate 6. In the initial state, the upper side of the measuring plate body 1 is marked as surface 1#. On surface 1#, the radial distance between two adjacent convex rings 3 is d1, where d1 is the upper limit of the lead strip width. The lower side of the measuring plate body 1 is marked as surface 2#. On surface 2#, the radial distance between two adjacent convex rings 3 is d2, where d2 is the lower limit of the lead strip width. That is, in the initial state, surface 1# is above surface 2#.

[0076] S2. Place the lead strip to be tested into the measuring groove 4 on surface #1 to perform upper limit detection;

[0077] S3. Determine whether the upper limit of the lead strip width is qualified;

[0078] If the lead strip can be successfully placed into the measuring groove 4 on surface #1, it indicates that the width of the lead strip is not greater than the upper limit of the lead strip width, and it is judged to be a qualified lead strip. Proceed to step S4.

[0079] If the lead strip cannot be smoothly placed into the measuring groove 4 on surface #1, it indicates that the width value of the lead strip is not within the standard requirements and is a non-conforming product. Remove the lead strip and adjust the spacing of the slitting machine. After the adjustment is completed, continue slitting the lead strip to obtain the lead strip to be tested and return to step S1.

[0080] S5. Use the pneumatic gripper 71 to loosen the side extension plate 6, place the storage plate 9 on top of the measuring plate body 1, then use the pneumatic gripper 71 to clamp the storage plate 9 and the side extension plate 6. Start the rotation drive 8 to rotate the pneumatic gripper 71, thereby rotating the measuring plate body 1 so that surface #2 is above surface #1. Use the pneumatic gripper 71 to loosen the side extension plate 6, allowing the lead strip on surface #1 to fall onto the storage plate 9, and place the storage plate 9 on top of the carrier plate 76; use the pneumatic gripper 71 to clamp the side extension plate 6. Extend plate 6, restart the rotary drive 8 to position surface 1 above surface 2, use pneumatic gripper 71 to release the side extension plate 6, and place storage plate 9 at the bottom of surface 2; use pneumatic gripper 71 to clamp storage plate 9 and side extension plate 6, restart the rotary drive 8 to position surface 2 above surface 1, use pneumatic gripper 71 to release, and drop the lead strip on storage plate 9 onto surface 2, then move storage plate 9 onto carrier plate 76, use pneumatic gripper 71 to clamp side extension plate 6, and perform lower limit detection;

[0081] S6. If the lead strip cannot be smoothly placed into the measuring groove 4 on surface #2, it indicates that the width of the lead strip is not less than the lower limit of the lead strip width, and it is judged as a lower limit qualified lead strip.

[0082] If the lead strip can be successfully placed into the measuring groove 4 on surface #1, it indicates that the width value of the lead strip is not within the standard requirements and is a non-conforming product. Remove the lead strip and adjust the spacing of the slitting machine. After the adjustment is completed, continue to cut the lead strip to obtain the lead strip to be tested and return to step S1.

[0083] S6. The lower limit qualified lead strip in step S6 is judged as a qualified product, and the standard judgment of lead strip width is completed.

[0084] The continuous casting and rolling lead strip width measuring plate provided by this utility model has high detection efficiency, fast speed, and accurate detection results, avoiding the problems of difficulty and inaccuracy in measuring lead strip width in the prior art.

[0085] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0086] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. A continuous-casting continuous-rolling lead strip width measurement plate characterized by, The measuring plate body (1) includes a measuring plate body (1), and the upper and lower surfaces of the measuring plate body (1) are respectively provided with a convex ring structure (2) on the same axis. The convex ring structure (2) includes multiple convex rings (3). The multiple convex rings (3) are arranged radially outward from the center of the surface of the measuring plate body (1) at equal intervals, and a measuring groove (4) is formed between two adjacent convex rings (3). The cross-sectional shape of the convex ring (3) is rectangular.

2. A continuous-casting continuous-rolling lead strip width measurement plate according to claim 1, characterized in that, In the convex ring structure (2) on the upper side of the measuring plate body (1), the radial distance between two adjacent convex rings (3) is d1, where d1 is the upper limit value of the lead strip width; In the convex ring structure (2) on the lower side of the measuring plate body (1), the radial distance between two adjacent convex rings (3) is d2, where d2 is the lower limit value of the lead strip width.

3. A continuous-casting and continuous-rolling lead strip width measurement plate according to claim 1, characterized in that, In the convex ring structure (2), the total number of convex rings (3) is not less than 6.

4. A continuous-casting and continuous-rolling lead strip width measurement plate according to claim 1, characterized in that, The measuring plate body (1) is made of any one of metal, ceramic, polymer, or composite material.

5. A continuous-casting and continuous-rolling lead strip width measurement plate according to claim 1, characterized in that, The measuring groove (4) is also provided with an identification area.

6. A continuous-casting and continuous-rolling lead strip width measurement plate according to claim 1, characterized in that, At least one measuring groove (4) is provided with an elastic pad.

7. A continuous-casting and continuous-rolling lead strip width measurement plate according to claim 1, characterized in that, At least one measuring groove (4) is provided with a partition plate, which is snapped into the measuring groove (4).

8. A continuous-casting and continuous-rolling lead strip width measurement plate according to claim 1, characterized by The thickness of the convex ring (3) is 0.5-1.2 mm.

9. A continuous-casting and continuous-rolling lead strip width measurement plate according to claim 1, characterized in that, In the convex ring structure (2), the length of the convex ring (3) located at the center of the upper and lower sides of the measuring plate body (1) is 300-400mm.

10. A continuous-casting and continuous-rolling lead strip width measurement plate according to claim 1, characterized in that, The measuring plate body (1) is provided with side extension plates (6) at both the left and right ends. The two side extension plates (6) are provided with rotation operation components (7). The rotation operation component (7) located at the right end of the measuring plate body (1) is also provided with a rotation drive component (8). A storage plate (9) is also provided above the measuring plate body (1); The rotating operation assembly (7) includes a pneumatic gripper (71), a rotating connector (72), and a mounting bracket (73). The left end of the rotating connector (72) is connected to the mounting end of the pneumatic gripper (71), and the rotating connector (72) is rotatably mounted on the mounting bracket (73). The pneumatic gripper (71) is used to hold the side extension plate (6); The rotary drive (8) is used to drive the rotary connector (72) to rotate.

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