Calibration mechanism and thickness detection device

Abstract

The utility model discloses a calibration mechanism and a thickness detection device. The calibration mechanism comprises a mounting member and an adjusting member. The mounting piece is used for being mounted on the second clamping plate, and a first threaded hole is formed in the mounting piece; the adjusting part is in threaded connection with the first threaded hole, and the adjusting part is used for being arranged opposite to the distance detection assembly so as to adjust the distance between the adjusting part and the distance detection assembly during rotation. According to the technical scheme, the adjusting precision of the calibration mechanism is improved, and the calibration efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of thickness detection devices, in particular to a calibration mechanism and a thickness detection device using the calibration mechanism. Background Art

[0002] At present, after the manufacture of products such as battery cells, thickness detection devices are usually used to detect the thickness of the battery cells to determine whether the battery cells are qualified. During the detection process, the thickness detection device needs to calibrate the laser displacement sensor to zero position through a calibration mechanism. However, the adjustment accuracy of the calibration mechanism in the related art is relatively low, which affects the calibration efficiency. Utility Model Content

[0003] The main purpose of the utility model is to provide a calibration mechanism, aiming to improve the adjustment accuracy of the calibration mechanism to improve the calibration efficiency.

[0004] To achieve the above-mentioned purpose, the calibration mechanism proposed in the utility model is characterized in that it is applied to a thickness detection device, the thickness detection device includes a first clamping plate and a second clamping plate for clamping a workpiece to be tested, and a distance detection component installed on the first clamping plate, and the calibration mechanism includes:

[0005] A mounting member, the mounting member is used to be mounted on the second clamping plate, and the mounting member is provided with a first threaded hole; and

[0006] The adjusting member is threadedly connected to the first threaded hole, and the adjusting member is used to be arranged relative to the distance detection component to adjust the distance between the adjusting member and the distance detection component when rotating.

[0007] When the calibration mechanism of the technical solution of the utility model calibrates the zero position of the distance detection component in the thickness detection device, due to the threaded connection between the adjusting member and the first threaded hole of the mounting member, the adjusting member can be gradually rotated to move the adjusting member to adjust the distance between the adjusting member and the distance detection component, thereby adjusting the adjusting member to the zero position. Moreover, during the rotation adjustment process, the adjusting member can have a relatively small amount of movement in each rotation because of the threaded cooperation with the mounting member, that is, it has a relatively high adjustment accuracy, so that the adjusting member can be accurately adjusted to the zero position without repeated adjustment back and forth. Therefore, the structural setting of the calibration mechanism in the present solution improves the adjustment accuracy of the calibration mechanism, can quickly and accurately complete the zero position calibration, and thus improves the calibration efficiency of the calibration mechanism.

[0008] Optionally, the mounting includes:

[0009] A main body portion, the main body portion is used to be mounted on the second clamping plate; and

[0010] An extension portion, the extension portion is connected to the main body portion, and is located on one side of the main body portion along a direction intersecting the rotation axis of the adjusting member, and a size of the extension portion is smaller than a size of the main body portion in a direction parallel to the rotation axis of the adjusting member;

[0011] The first threaded hole is arranged on the extension part, or on the connection between the extension part and the main body part.

[0012] Thereby, the stability of the calibration mechanism installed on the second clamping plate can be improved, and the smoothness of the calibration adjustment process can be improved.

[0013] Optionally, when the first threaded hole is provided at the connection between the extension part and the main body, a wall surface of the main body used for connecting the extension part is defined as a connecting wall surface, and the connecting wall surface is provided with an avoidance groove;

[0014] The avoidance groove is communicated with the first threaded hole and is extended in a direction parallel to the rotation axis of the adjusting member so as to avoid the adjusting member.

[0015] Therefore, the position setting of the first thread is conducive to reducing the overall volume of the calibration mechanism, so as to improve the convenience of its installation and arrangement in a limited space. The setting of the avoidance groove increases the lifting stroke of the adjustment member, which is beneficial to the calibration adjustment range of the calibration mechanism.

[0016] Optionally, the extension portion is provided with a separation groove, which is located on a side of the first threaded hole away from the main body portion and separates the extension portion into two clamping arms;

[0017] The calibration mechanism also includes a locking member, which connects the two clamping arms to drive the two clamping arms to clamp the limit adjustment member.

[0018] Therefore, the stability of the adjusting member after calibration can be further improved, so as to improve the accuracy of the result of the subsequent thickness detection device on the thickness of the workpiece to be tested.

[0019] Optionally, the locking member is a screw, one of the two clamping arms is provided with a pass hole, the other of the two clamping arms is provided with a second threaded hole, the screw passes through the pass hole, and is threadedly connected with the second threaded hole.

[0020] This helps to improve the convenience of locking and unlocking the adjusting member, so as to further improve the calibration efficiency of the calibration mechanism.

[0021] Optionally, the main body and the extension portion are arranged in an integrated structure;

[0022] And / or, the surface of the main body facing the distance detection component is defined as the first surface, the surface of the extension portion facing the distance detection component is defined as the second surface, and the second surface and the first surface are coplanar.

[0023] Therefore, the integrated structure can improve the overall strength of the mounting piece, so as to improve the installation stability of the adjusting piece on the mounting piece and the service life of the mounting piece, and at the same time it is beneficial to improve the manufacturing efficiency of the mounting piece; and the coplanar setting of the first surface and the second surface is beneficial to improve the convenience of processing and forming the first threaded hole.

[0024] Optionally, the mounting piece is provided with a mounting hole, and the calibration mechanism further comprises a fastener, which is used to pass through the mounting hole and be threadedly connected to the third threaded hole of the second clamping plate to mount the mounting piece on the second clamping plate.

[0025] Thereby, the convenience of installation and maintenance of the installation part can be improved.

[0026] Optionally, the mounting hole is extended in a direction parallel to the rotation axis of the adjusting member;

[0027] And / or, the mounting member is provided with a receiving groove, the mounting hole is provided on a groove wall of the receiving groove directly facing the groove opening of the receiving groove, and the fastener is received in the receiving groove;

[0028] And / or, the number of the mounting holes is at least two, and they are arranged sequentially in a direction intersecting the rotation axis of the adjusting member; the number of the fasteners is at least two, and one fastener is passed through one mounting hole.

[0029] Therefore, the mounting hole is set to be a long strip shape, which realizes the preliminary adjustment when calibrating the zero position, which is beneficial to further improve the calibration efficiency of the calibration mechanism; the setting of the accommodating groove improves the compactness of the distribution of the fasteners on the mounting part, which is beneficial to reduce the overall volume of the calibration mechanism; and the setting of at least two mounting holes and fasteners can improve the stability of the mounting part when installed on the second clamping plate, as well as the stability during the movement and adjustment process.

[0030] Optionally, the adjusting member comprises:

[0031] A screw rod, the screw rod and the first threaded hole being threadedly connected; and

[0032] The nut is connected to an end of the screw rod away from the mounting piece.

[0033] In this way, the laser beam emitted by the distance detection component can be reflected conveniently, and it is also convenient for personnel to hold and rotate it for adjustment.

[0034] The utility model also provides a thickness detection device, comprising the above-mentioned calibration mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0036] Figure 1 This is a schematic structural diagram of an embodiment of a thickness detection device of the utility model;

[0037] Figure 2 for Figure 1 A schematic diagram of the structure of the calibration mechanism of the medium thickness detection device;

[0038] Figure 3 for Figure 2 Schematic diagram of another perspective of the China Standardization Agency;

[0039] Figure 4 for Figure 2 Another perspective diagram of the China Standardization Agency;

[0040] Figure 5 for Figure 2 A partial structural diagram of the calibration mechanism.

[0041] Description of Figure Numbers:

[0042] Label name Label name 100 Thickness detection device 418 Clamping arm 10 First splint 419 Pass hole 20 Second splint 420 Second threaded hole 30 Distance detection component 421 Second surface 40 Calibration agency 422 Mounting holes 41 Mounting parts 423 Storage tank 411 First threaded hole 43 Adjustment parts 412 Main body 431 Screw 413 Connecting wall 433 Nut 414 Avoidance slot 45 Locking parts 415 First surface 47 fastener 416 Extension 60 Standard Parts 417 Separation slot 70 Drive parts

[0043] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0044] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0045] It should be noted that all directional indications in the embodiments of the present application (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0046] In this application, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0047] In addition, the descriptions of "first", "second", etc. in this application are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the meaning of "and / or" appearing in the full text is to include three parallel solutions. Taking "A and / or B as an example", it includes solution A, or solution B, or a solution that satisfies both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by this application.

[0048] At present, after the products such as battery cells are manufactured, they are usually tested for thickness by a thickness detection device to determine whether the battery cells are qualified. During the detection process, the thickness detection device needs to calibrate the laser displacement sensor to zero position through a calibration mechanism. After that, the laser displacement sensor detects the difference between the test piece and the determined zero position, and obtains the thickness tolerance of the test piece. The quality of the test piece is determined based on whether the displayed thickness tolerance is within the tolerance range. If it is within the tolerance range, the lithium battery is qualified, otherwise the lithium battery is unqualified.

[0049] However, the adjustment accuracy of the calibration mechanism in the related art is relatively low, so that when calibrating the zero position of the laser displacement sensor, it is necessary to adjust back and forth repeatedly, which in turn affects the calibration efficiency.

[0050] Therefore, based on the above considerations, in order to solve the problem of low calibration efficiency caused by poor adjustment accuracy of the calibration mechanism of the thickness detection device in the current industry, the present application proposes a new calibration mechanism. The calibration mechanism is innovatively configured to include a mounting member for installation and an adjusting member for adjustment, and the adjusting member and the mounting member are threadedly connected, so that in the process of zero-position calibration to adjust the distance between the adjusting member and the laser displacement sensor, the movement amount of the adjusting member each time is relatively small, thereby improving the adjustment accuracy of the calibration mechanism.

[0051] In addition, it should be noted that the thickness detection device used by the calibration mechanism proposed in this application can be used to detect the thickness of the battery cell, and of course it can also be used to detect the thickness of mobile phones or other products. This application does not limit the object of the thickness detection device to be detected.

[0052] Among them, please refer to Figure 1 The thickness detection device 100 may include a first clamping plate 10 and a second clamping plate 20. The first clamping plate 10 can cooperate with the second clamping plate 20 to clamp the battery cell or other products to be tested. The distance detection component 30 can be installed on the first clamping plate 10, and the calibration mechanism 40 proposed in the present application can be installed on the second clamping plate 20 and arranged opposite to the distance detection component 30. The distance detection component 30 can be a laser displacement sensor, or a distance sensor, which is not limited in the present application.

[0053] Furthermore, when the detection component 30 is a laser displacement sensor, the zero position calibration process of the thickness detection device 100 for the distance detection component 30 can be as follows: a standard component 60 of known thickness can be placed between the first clamping plate 10 and the second clamping plate 20, wherein the standard component 60 can simulate the standard thickness of the test piece without error, and the thickness of the standard component 60 can be defined as A1, for example: 20 mm; then the spacing between the calibration mechanism 40 and the distance detection component 30 can be adjusted, and the distance detection component 30 can be calibrated by emitting a laser beam to the calibration mechanism 40. The distance between the distance detection component 30 and the adjustment calibration mechanism 40 is calculated based on the reflected laser beam, and the distance can be defined as A2 (wherein, it should be noted that since the distance measurement principle of the distance detection component 30 is a prior art, the specific structure of the distance detection component 30 is not described in detail here.); and the controller of the thickness detection device 100 can control the display to display according to the calculation method of A2-A1; when the display shows 0, the position of the calibration mechanism 40 is defined as the zero position of the distance detection component 30 as a reference position.

[0054] In addition, the thickness detection device 100 can detect the thickness of the workpiece to be tested in the following process: place the workpiece to be tested between the first clamping plate 10 and the second clamping plate 20; then the distance detection component 30 can emit a laser beam to the calibration mechanism 40, and calculate the distance between it and the calibration mechanism 40 again according to the reflected laser beam, which can be defined as A3; and the controller of the thickness detection device 100 can control the display to display according to the A3-A1 method, that is, display the deviation value between the current position of the calibration mechanism 40 and the calibrated zero position (also known as the reference position); at this time, the deviation value is the deviation value between the thickness of the workpiece to be tested and the standard part 60 of known thickness. Whether the thickness of the workpiece to be tested is qualified can be determined based on whether the deviation value is within the thickness tolerance of the workpiece to be tested. For example: after the test, the display shows 0.03㎜, and the thickness tolerance of the workpiece to be tested is ±0.05㎜, which means that the thickness of the workpiece to be tested is qualified.

[0055] Next, the specific structure of the calibration mechanism 40 proposed in this application is explained and described by an embodiment. Figures 2 to 5 In one embodiment of the present application, the calibration mechanism 40 proposed in the present application includes a mounting member 41 and an adjusting member 43. The mounting member 41 is used to be installed on the second clamping plate 20. The mounting member 41 is provided with a first threaded hole 411. The adjusting member 43 is threadedly connected to the first threaded hole 411. The adjusting member 43 is used to be arranged relative to the distance detection component 30 to adjust the distance between the adjusting member 43 and the distance detection component 30 when rotating.

[0056] The mounting member 41 can be used to form a first threaded hole 411 to carry the adjusting member 43, and can also be used to be installed on the second clamping plate 20 of the thickness detection device 100, so as to realize the installation of the calibration mechanism 40 on the second clamping plate 20. Among them, the mounting member 41 can be a plate structure, and of course it can also be a block structure, a seat structure or a column structure. The present application does not limit the structural type and shape of the mounting member 41, and it can be used to carry the adjusting member 43 and be installed on the second clamping plate 20. Among them, the first threaded hole 411 can be through the opposite sides of the mounting member 41 to form a through hole structure. Of course, it can also be through only one side of the case to form a blind hole structure. In addition, the connection between the mounting member 41 and the second clamping plate 20 can be a threaded connection as described below, of course, it can also be a snap connection, or a fixed connection such as an adhesive connection. The present application does not limit the installation method of the mounting member 41 on the second clamping plate 20.

[0057] The adjusting member 43 can be threadedly connected to the mounting member 41 and arranged opposite to the distance detection assembly 30 on the first clamping plate 10 to receive the laser beam emitted by the distance detection assembly 30 and reflect it back to the distance detection assembly 30, so as to enable the distance detection assembly 30 to detect the distance between it and the adjusting member 43. The adjusting member 43 can include a screw rod 431 and a nut 433 as described below, or can include only a screw rod 431, or a screw rod 431 and a block or a combination of blocks connected to one end of the screw rod 431. The present application does not limit the structural type of the adjusting member 43, and it can be used for threaded connection with the mounting member 41 to adjust the distance between it and the distance detection assembly 30 during rotation.

[0058] When the calibration mechanism 40 of the technical solution of the present application calibrates the distance detection component 30 in the thickness detection device 100 to zero position, since the adjusting member 43 and the first threaded hole 411 of the mounting member 41 are threadedly connected, the adjusting member 43 can be gradually rotated to move the adjusting member 43 to adjust the spacing between it and the distance detection component 30, and then the adjusting member 43 is adjusted to zero position. Moreover, during the rotation adjustment process, because the adjusting member 43 is threadedly matched with the mounting member 41, the amount of movement of the adjusting member 43 in each rotation can be relatively small, that is, it has a relatively high adjustment accuracy, so that the adjusting member 43 can be accurately adjusted to zero position without repeated adjustment back and forth. Therefore, the structural setting of the calibration mechanism 40 in the present solution improves the adjustment accuracy of the calibration mechanism 40, and can quickly and accurately complete the zero position calibration, thereby improving the calibration efficiency of the calibration mechanism 40.

[0059] Please refer to Figures 2 to 3 ,as well as Figure 5 In one embodiment of the present application, the mounting member 41 includes a main body 412 and an extension portion 416, the main body 412 is used to be installed on the second clamping plate 20; the extension portion 416 is connected to the main body 412, and along the direction intersecting the rotation axis of the adjusting member 43, the extension portion 416 is located on one side of the main body 412, and in the direction parallel to the rotation axis of the adjusting member 43, the size of the extension portion 416 is smaller than the size of the main body 412; the first threaded hole 411 is provided in the extension portion 416, or at the connection between the extension portion 416 and the main body 412.

[0060] The main body 412 can be used as the main body of the mounting member 41, and the extension portion 416 can be protruded on one side of the main body 412. For example: when the rotation axis parallel to the adjusting member 43 is defined as the up and down direction, that is, when the rotating adjusting member 43 can be raised and lowered, the extension portion 416 can be protruded on one side of the main body 412 in the horizontal direction. Among them, the main body 412 can be any structure such as a rectangle or a square, and the extension portion 416 can also be a rectangular or square block or plate structure. However, in the direction parallel to the rotation axis of the adjusting member 43, or in the up and down direction, the size of the extension portion 416 is smaller than the size of the main body 412. At this time, the first threaded hole 411 can be completely set on the extension portion 416, of course, it can also be partially set on the extension portion 416, and the other part is set on the main body 412.

[0061] In this embodiment, the main body 412 with a relatively large size is installed on the second clamping plate 20, which can increase the stability of the calibration mechanism 40 installed on the second clamping plate 20, thereby facilitating the stability of the calibration mechanism 40 during calibration and adjustment. The first threaded hole 411 is provided through the extension 416 with a relatively small size, or the first threaded hole 411 is provided at the connection between the extension 416 and the main body 412, so that the depth of the first threaded hole 411 will not be too large, which can reduce the resistance encountered by the adjusting member 43 during rotation adjustment, that is, increase the smoothness of the adjusting member 43 during rotation adjustment, thereby facilitating further improving the calibration efficiency of the calibration mechanism 40.

[0062] Please refer to Figures 2 to 4 In one embodiment of the present application, when the first threaded hole 411 is provided at the connection between the extension portion 416 and the main body portion 412, the wall surface of the main body portion 412 used to connect the extension portion 416 is defined as the connecting wall surface 413, and the connecting wall surface 413 is provided with an avoidance groove 414; the avoidance groove 414 is connected to the first threaded hole 411, and is extended in a direction parallel to the rotation axis of the adjusting member 43 to avoid the adjusting member 43.

[0063] When the direction parallel to the rotation axis of the adjusting member 43 is defined as the up-down direction, the avoidance groove 414 can be completely set below the first threaded hole 411, or it can be partially set above the first threaded hole 411 and the other part below the threaded hole. In addition, the avoidance groove 414 can be a rectangular groove to make its shape more regular, which is conducive to improving the convenience of its processing and forming. Of course, the avoidance groove 414 can also be an arc groove. The present application does not limit the shape of the avoidance groove 414, and it can be used to avoid the adjusting member 43.

[0064] In this embodiment, the first threaded hole 411 is set at the connection between the extension part 416 and the main body 412, so that the volume of the extension part 416 does not need to be set relatively large, which is conducive to reducing the overall volume of the calibration mechanism 40, so as to improve the convenience of its installation and arrangement in a limited space. Furthermore, the setting of the avoidance groove 414 can avoid the rotating and lifting adjustment member 43, that is, to increase the lifting stroke of the adjustment member 43, which is conducive to the calibration adjustment range of the calibration mechanism 40, so as to improve the applicability of the thickness detection assembly to the workpiece to be tested.

[0065] Please refer to Figures 2 to 5 In one embodiment of the present application, the extension portion 416 is provided with a separation groove 417, which is located on the side of the first threaded hole 411 away from the main body 412 and separates the extension portion 416 to form two clamping arms 418; the calibration mechanism 40 also includes a locking member 45, which connects the two clamping arms 418 to drive the two clamping arms 418 to clamp the limit adjustment member 43.

[0066] The separation groove 417 is a groove body that separates the extension part 416. Among them, the separation groove 417 can be to separate the extension part 416 to form two completely separated clamping arms 418, and of course, it can also be to separate only the end of the extension part 416 away from the main body 412, so that the two clamping arms 418 are still connected at the end close to the main body 412. The locking member 45, as the name implies, is an object that can be used to lock the two clamping arms 418, so that the two clamping arms 418 can be clamped and limited by the adjustment member 43. Among them. The locking member 45 can be a screw as described below. Of course, the locking member 45 can also be a tightening ring, which is sleeved on the two clamping arms 418 to achieve locking of the two clamping arms 418. Therefore, the present application does not limit the structural type of the locking member 45, and it can lock and connect the two clamping arms 418 to clamp the limit adjustment member 43.

[0067] In this embodiment, the extension portion 416 is separated by the separation groove 417 to form two clamping arms 418, so that after the adjustment of the adjustment member 43 is completed, the two clamping arms 418 can be connected by the locking member 45 to drive the two clamping arms 418 to clamp the limit adjustment member 43. In this way, after the adjustment member 43 completes the zero position calibration, the limit position can be more stably performed, so as to improve the accuracy of the subsequent thickness detection result of the thickness detection device 100 on the test piece.

[0068] Please refer to Figure 5 In one embodiment of the present application, the locking member 45 is a screw, one of the two clamping arms 418 is provided with a pass hole 419, and the other one is provided with a second threaded hole 420, the screw passes through the pass hole 419 and is threadedly connected to the second threaded hole 420.

[0069] In this embodiment, the locking member 45 is set as a screw, which can make the process of locking and unlocking the two clamping arms 418 simpler, thereby facilitating the locking and unlocking of the adjustment member 43 and further improving the calibration efficiency of the calibration mechanism 40.

[0070] In one embodiment of the present application, the main body 412 and the extension portion 416 are provided in an integral structure.

[0071] The integral structure means that the main body 412 and the extension portion 416 can be manufactured by integral molding (eg, casting molding or injection molding, etc.) to directly form an inseparable whole.

[0072] In this embodiment, the main body 412 and the extension 416 are provided as an integral structure, which can enhance the strength of the connection between the two, thereby improving the overall strength of the mounting member 41, so as to improve the installation stability of the adjustment member 43 on the mounting member 41 and the service life of the mounting member 41. On the other hand, the main body 412 and the extension 416 can be directly formed as one piece, thereby omitting the subsequent assembly process, thereby improving the manufacturing efficiency of the mounting member 41.

[0073] Please refer to Figure 2 In one embodiment of the present application, the surface of the main body 412 facing the distance detection component 30 is defined as the first surface 415, and the surface of the extension portion 416 facing the distance detection component 30 is defined as the second surface 421, and the second surface 421 and the first surface 415 are coplanar.

[0074] When the direction parallel to the rotation axis of the adjusting member 43 is defined as the up-down direction, the first surface 415 may be the upper surface of the main body 412 , and the second surface 421 may be the upper surface of the extension 416 , and the two are arranged flush. The lower surface of the main body 412 may be lower than the lower surface of the extension 416 .

[0075] In this embodiment, the first surface 415 of the main body 412 and the second surface 421 of the extension portion 416 are arranged to be coplanar, so that the shape of the mounting member 41 can be more regular, thereby facilitating the setting of the first threaded hole 411. In particular, when the first threaded hole 411 is arranged at the connection between the extension portion 416 and the main body 412, the convenience of processing and forming the first threaded hole 411 can be improved.

[0076] Please refer to Figure 2In one embodiment of the present application, the mounting member 41 is provided with a mounting hole 422, and the calibration mechanism 40 further includes a fastener 47, which is used to pass through the mounting hole 422 and be threadedly connected to the third threaded hole of the second clamping plate 20 to install the mounting member 41 on the second clamping plate 20.

[0077] In this embodiment, the mounting member 41 is threadedly connected to the second clamping plate 20 through the fastener 47, which makes the mounting member 41 on the second clamping plate 20 very simple to install and can also be relatively convenient to repair and replace. When the mounting member 41 includes the main body 412 and the extension 416 as described above, the mounting hole 422 can be set on the main body 412.

[0078] Please refer to Figure 2 In one embodiment of the present application, the mounting hole 422 is extended in a direction parallel to the rotation axis of the adjusting member 43 .

[0079] In this embodiment, the mounting hole 422 is set to be long strip-shaped, so that when the zero position is calibrated by the calibration mechanism 40, the fastener 47 can be loosened and the mounting member 41 can be driven to move in a direction parallel to the rotation axis of the adjustment member 43. At this time, the preliminary adjustment when calibrating the zero position is realized, and the adjustment by rotating the adjustment member 43 described above is fine adjustment. In this way, the coordination of the preliminary adjustment and the fine adjustment is conducive to further improving the calibration efficiency of the calibration mechanism 40.

[0080] Please refer to Figure 2 and Figure 4 In one embodiment of the present application, the mounting member 41 is provided with a receiving groove 423 , the mounting hole 422 is provided on the groove wall of the receiving groove 423 facing the groove opening of the receiving groove 423 , and the fastener 47 is accommodated in the receiving groove 423 .

[0081] In this embodiment, the arrangement of the accommodating groove 423 allows the fastener 47 to be accommodated, thereby improving the compactness of the distribution of the fastener 47 on the mounting member 41, thereby facilitating the reduction of the overall volume of the calibration mechanism 40. When the mounting hole 422 extends into a strip-shaped hole in a direction parallel to the rotation axis of the adjusting member 43, the accommodating groove 423 may also be arranged to extend in a direction parallel to the rotation axis of the adjusting member 43.

[0082] Please refer to Figure 2 In one embodiment of the present application, the number of mounting holes 422 is at least two, and they are arranged sequentially in the direction intersecting the rotation axis of the adjusting member 43; the number of fasteners 47 is at least two, and one fastener 47 is passed through one mounting hole 422.

[0083] In this embodiment, the number of the mounting holes 422 and the fasteners 47 is at least two, which can improve the stability of the mounting member 41 when mounted on the second clamping plate 20, as well as the stability during the movement and adjustment process. The number of the mounting holes 422 and the fasteners 47 can be two, and of course can also be three or more. In addition, in other embodiments, the number of the mounting holes 422 and the fasteners 47 can also be one.

[0084] Please refer to Figure 2 In one embodiment of the present application, the adjusting member 43 includes a screw rod 431 and a nut 433 . The screw rod 431 is threadedly connected to the first threaded hole 411 ; the nut 433 is connected to one end of the screw rod 431 away from the mounting member 41 .

[0085] In this embodiment, the adjusting member 43 is configured to include a screw 431 and a nut 433. On the one hand, the adjusting member 43 can conveniently receive and reflect the laser beam or other medium emitted by the distance detection component 30 through the nut 433 having a larger projection on the projection surface perpendicular to the rotation axis of the adjusting member 43. On the other hand, it can also be convenient for personnel to rotate and adjust it.

[0086] Please refer to Figures 2 to 5In one embodiment of the present application, the calibration mechanism 40 includes a mounting member 41 and an adjusting member 43. The mounting member 41 is used to be mounted on the second clamping plate 20. The mounting member 41 is provided with a first threaded hole 411. The adjusting member 43 is threadedly connected to the first threaded hole 411. The adjusting member 43 is arranged opposite to the distance detection assembly 30 to adjust the distance between the adjusting member 43 and the distance detection assembly 30 during rotation. The mounting member 41 includes a main body 412 and an extension 416. The main body 412 is used to be mounted on the second clamping plate 20. The extension 416 is connected to the main body 412. The extension 416 is located on one side of the main body 412 along a direction intersecting the rotation axis of the adjusting member 43. In a direction parallel to the rotation axis of the adjusting member 43, the size of the extension 416 is smaller than the size of the main body 412. The first threaded hole 411 is provided at the connection between the extension 416 and the main body 412. The wall surface of the main body 412 used to connect the extension part 416 is defined as the connection wall surface 413, and the connection wall surface 413 is provided with an avoidance groove 414; the avoidance groove 414 is connected to the first threaded hole 411, and is extended in a direction parallel to the rotation axis of the adjustment member 43 to avoid the adjustment member 43. The extension part 416 is provided with a separation groove 417, which is located on the side of the first threaded hole 411 away from the main body 412, and separates the extension part 416 to form two clamping arms 418; the calibration mechanism 40 also includes a locking member 45, the locking member 45 connects the two clamping arms 418 to drive the two clamping arms 418 to clamp the limit adjustment member 43. The locking member 45 is a screw, one of the two clamping arms 418 is provided with a pass hole 419, and the other one is provided with a second threaded hole 420, the screw passes through the pass hole 419, and is threadedly connected with the second threaded hole 420. The main body 412 and the extension 416 are provided in an integral structure; the surface of the main body 412 facing the distance detection assembly 30 is defined as the first surface 415, and the surface of the extension 416 facing the distance detection assembly 30 is defined as the second surface 421, and the second surface 421 and the first surface 415 are provided in the same plane. The mounting member 41 is provided with a mounting hole 422, and the calibration mechanism 40 further includes a fastener 47, which is used to pass through the mounting hole 422 and be threadedly connected with the third threaded hole of the second clamping plate 20 to install the mounting member 41 on the second clamping plate 20. The mounting hole 422 is extended in a direction parallel to the rotation axis of the adjustment member 43; the mounting member 41 is provided with a receiving groove 423, and the mounting hole 422 is provided on the groove wall of the receiving groove 423 facing the notch of the receiving groove 423; the number of the mounting holes 422 is at least two, and they are arranged in sequence in the direction intersecting the rotation axis of the adjustment member 43; the number of the fasteners 47 is at least two, and one fastener 47 is provided in one mounting hole 422. The adjusting member 43 includes a screw rod 431 and a nut 433 . The screw rod 431 is threadedly connected to the first threaded hole 411 ; the nut 433 is connected to one end of the screw rod 431 away from the mounting member 41 .

[0087] Please refer to Figure 1 The present application also proposes a thickness detection device 100, which includes a calibration mechanism 40. The specific structure of the calibration mechanism 40 refers to the above embodiment. Since the thickness detection device 100 adopts all the technical solutions of all the above embodiments, it at least has all the beneficial effects brought by the technical solutions of the above embodiments, which will not be repeated here. Among them, the thickness detection device 100 may include a first clamping plate 10, a second clamping plate 20 and a distance detection component 30. The first clamping plate 10 and the second clamping plate 20 can be used to clamp the piece to be tested. The distance detection component 30 can be installed on the first clamping plate 10. The calibration mechanism 40 can be installed on the second clamping plate 20 and is arranged relative to the distance detection component 30 to serve as a distance measurement reference for the distance detection component 30. In addition, in order to complete the calibration, the thickness detection device 100 can also include a standard part 60 of known thickness as described above. The specific calibration process and the thickness detection process of the piece to be tested can refer to the above introduction. Furthermore, in order to improve the degree of automation of the thickness detection device 100, the thickness detection device 100 may also include a driving member 70, so as to drive the first clamping plate 10 to approach the second clamping plate 20 through the driving member 70, so as to achieve the cooperation of the two to clamp the workpiece to be tested. The driving member 70 may be a cylinder or a linear motor, and the present application does not limit the type of the driving member 70.

[0088] The above description is only a preferred embodiment of the present application, and does not limit the patent scope of the present application. All equivalent structural changes made by using the contents of the present application specification and drawings under the inventive concept of the present application, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present application.

Claims

1. A calibration mechanism, characterized in that: Applied to a thickness detection device, the thickness detection device includes a first clamping plate and a second clamping plate for clamping a workpiece to be tested, and a distance detection component installed on the first clamping plate, and the calibration mechanism includes: A mounting member, the mounting member is used to be mounted on the second clamping plate, the mounting member is provided with a first threaded hole; and An adjusting member is threadedly connected to the first threaded hole, and the adjusting member is used to be arranged relative to the distance detecting component to adjust the distance between the adjusting member and the distance detecting component when rotating.

2. The calibration mechanism according to claim 1, characterized in that: The mounting member comprises: a main body portion, the main body portion being used to be mounted on the second clamping plate; and An extension portion, the extension portion is connected to the main body portion, and is located at one side of the main body portion along a direction intersecting the rotation axis of the adjusting member, and the size of the extension portion is smaller than the size of the main body portion in a direction parallel to the rotation axis of the adjusting member; The first threaded hole is provided in the extension portion, or in the connection between the extension portion and the main body portion.

3. The calibration mechanism according to claim 2, characterized in that: When the first threaded hole is provided at the connection between the extension part and the main body, a wall surface of the main body used for connecting the extension part is defined as a connection wall surface, and the connection wall surface is provided with an avoidance groove; The avoidance groove is communicated with the first threaded hole and is extended in a direction parallel to the rotation axis of the adjusting member so as to avoid the adjusting member.

4. The calibration mechanism according to claim 2, characterized in that: The extension portion is provided with a separation groove, the separation groove is located on a side of the first threaded hole away from the main body portion, and separates the extension portion into two clamping arms; The calibration mechanism also includes a locking member, which connects the two clamping arms to drive the two clamping arms to clamp and limit the adjusting member.

5. The calibration mechanism according to claim 4, characterized in that: The locking member is a screw, one of the two clamping arms is provided with a clearance hole, and the other one is provided with a second threaded hole, and the screw passes through the clearance hole and is threadedly connected with the second threaded hole.

6. The calibration mechanism according to claim 2, characterized in that: The main body and the extension portion are arranged in an integrated structure; And / or, a surface of the main body facing the distance detection component is defined as a first surface, a surface of the extension portion facing the distance detection component is defined as a second surface, and the second surface and the first surface are coplanar.

7. The calibration mechanism according to any one of claims 1 to 6, characterized in that: The mounting piece is provided with a mounting hole, and the calibration mechanism further comprises a fastener, which is used to pass through the mounting hole and be threadedly connected with the third threaded hole of the second clamping plate to install the mounting piece on the second clamping plate.

8. The calibration mechanism according to claim 7, characterized in that: The mounting hole is extended in a direction parallel to the rotation axis of the adjusting member; And / or, the mounting member is provided with a receiving groove, the mounting hole is provided on a groove wall of the receiving groove directly facing the notch of the receiving groove, and the fastener is received in the receiving groove; And / or, the number of the mounting holes is at least two, and they are arranged sequentially in a direction intersecting the rotation axis of the adjusting member; the number of the fasteners is at least two, and one fastener is passed through one mounting hole.

9. The calibration mechanism according to any one of claims 1 to 6, characterized in that: The adjusting member comprises: a screw rod, the screw rod being threadedly connected to the first threaded hole; and A nut is connected to an end of the screw rod away from the mounting member.

10. A thickness detection device, characterized in that: Comprising a calibration mechanism as described in any one of claims 1 to 9.

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