CN214426580U

CN214426580U - Detection device

Info

Publication number: CN214426580U
Application number: CN202120283076.5U
Authority: CN
Inventors: 李海林; 王艺龙; 陈世林; 苏诚; 凌利润; 严政; 王俊; 党辉; 郭启军; 高云松; 高云峰
Original assignee: Han s Laser Technology Industry Group Co Ltd
Current assignee: Shenzhen Han's Lithium Battery Intelligent Equipment Co ltd
Priority date: 2021-02-01
Filing date: 2021-02-01
Publication date: 2021-10-19
Anticipated expiration: 2031-02-01

Abstract

The utility model relates to a detection device, including base plate, first measuring component and second measuring component, first measuring component with second measuring component is the contained angle and locates on the base plate, first measuring component is used for measuring the size of work piece along first direction, second measuring component is used for the size of work piece along the second direction, first measuring component with second measuring component all includes locating piece, movable element and measuring element, the locating piece is located on the base plate, measuring element locates on the movable element, movable element can be towards being close to or keeping away from the direction of locating piece removes to the size of work piece is measured to the measuring element. Above-mentioned detection device can measure the size of two at least dimensions of battery module in step, has satisfied multiple measurement demand, and occupation space is little.

Description

Detection device

Technical Field

The utility model relates to a lithium cell production technical field especially relates to a detection device.

Background

Before the battery module leaves a factory, the appearance of the battery module needs to be detected so as to determine whether the battery module meets the size design requirements of a manufacturer. The appearance of the traditional battery module is detected by manually measuring by using calipers, and a plurality of physical quantities of the battery module, such as length, width, height and the like, are measured by a substation, so that the problem of large occupied space is solved.

SUMMERY OF THE UTILITY MODEL

Based on this, provide a detection device, aim at with the measurement function integration in same station of physical quantities such as length, width and height, reduced occupation space to the utmost extent, can satisfy multiple measurement demand again.

A detection device comprises a substrate, a first measurement component and a second measurement component, wherein the first measurement component and the second measurement component are arranged on the substrate in an included angle,

the first measuring assembly is used for measuring the size of a workpiece along a first direction, the second measuring assembly is used for measuring the size of the workpiece along a second direction, the first measuring assembly and the second measuring assembly respectively comprise a positioning block, a movable element and a measuring element, the positioning block is arranged on the base plate, the measuring element is arranged on the movable element, and the movable element can move towards the direction close to or far away from the positioning block, so that the measuring element can measure the size of the workpiece.

Above-mentioned detection device can measure the size of two at least dimensions of battery module in step, has satisfied multiple measurement demand, and occupation space is little.

In one embodiment, the first measuring assembly and/or the second measuring assembly further includes a power unit disposed on the substrate for driving the movable element to move.

In one embodiment, the first measuring assembly and/or the second measuring assembly further includes a guide rail disposed on the base plate and extending along the first direction or the second direction, and the movable element is slidably disposed on the guide rail.

In one embodiment, the measuring element is a digital display dial indicator fixedly arranged on the movable element, the first measuring assembly and/or the second measuring assembly further comprises a reference block arranged on the base plate, a contact pin of the digital display dial indicator is arranged opposite to the reference block, the surface of the reference block facing the contact pin is a reference surface, and the distance between the reference surface and the positioning block is the size of the standard workpiece in the first direction or the second direction,

when the movable element is in abutment with the workpiece, the stylus is in contact with the datum surface and shows a measurement.

In one embodiment, the detecting device further includes a third measuring assembly, the third measuring assembly includes a base, a measuring ruler and a slider, the base is disposed on the substrate, the measuring ruler is vertically disposed on the base, the slider is movably disposed on the measuring ruler, and the slider can move along the measuring ruler to abut against the surface of the workpiece, so as to measure the dimension of the workpiece along a third direction.

In one embodiment, the upper surface of the substrate is a standard plane, and the detection device further comprises a feeler for measuring the distance between the bottom surface of the workpiece and the upper surface of the substrate at a plurality of positions so as to obtain the flatness of the bottom surface of the workpiece.

In one embodiment, the detection device further comprises a frame, a marble platform and a feeler gauge, wherein the marble platform is arranged on the frame, the upper surface of the marble platform is a standard plane, the workpiece is transferred onto the marble platform, and the feeler gauge can measure the distance between the bottom surface of the workpiece and the upper surface of the marble platform at a plurality of positions so as to obtain the flatness of the bottom surface of the workpiece.

In one embodiment, the substrate is movably arranged on the frame, and the distance between the substrate and the frame is larger than the thickness of the marble platform.

In one embodiment, the detection device further includes a plurality of positioning assemblies, and the positioning assemblies are disposed on the frame and used for fixing the relative positions of the substrate and the frame.

In one embodiment, the positioning assembly comprises a mounting plate, a spring and a positioning bead, the mounting plate is arranged on the frame, the mounting plate is provided with an accommodating groove, the positioning column is arranged in the accommodating groove, the spring is arranged between the inner wall of the accommodating groove and the positioning bead, the side surface of the substrate is provided with a matching groove, and the positioning bead can enter the matching groove to fix the position of the substrate.

Drawings

FIG. 1 is a schematic diagram illustrating an overall structure of a detecting apparatus according to an embodiment;

FIG. 2 is a top view of the detection device shown in FIG. 1;

FIG. 3 is a schematic view of a first measuring assembly, a second measuring assembly and a third measuring assembly of the detecting device shown in FIG. 1;

FIG. 4 is an enlarged view taken at A in FIG. 1;

fig. 5 is a schematic structural diagram of a positioning assembly in the detecting device shown in fig. 1.

The following detailed description of the invention will be made in conjunction with the above drawings.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Before the battery module leaves a factory, the appearance of the battery module needs to be detected so as to determine whether the battery module meets the size design requirements of a manufacturer. In one embodiment, the dimensions of the battery module to be measured include the length, width and height, and even the flatness of the bottom surface of the prismatic battery module.

The utility model provides a detection device can detect out the size of a plurality of dimensions of work piece in step. For the convenience of understanding the technical solution of the present application, the battery module is taken as an example for description, and it should be understood that the scope of protection of the present application is not limited thereto.

Referring to fig. 1 and 2, the detecting device 100 includes a substrate 10, a first measuring assembly 20 and a second measuring assembly 30, the first measuring assembly 20 and the second measuring assembly 30 are disposed on the substrate 10 at an included angle, the first measuring assembly 20 is used for measuring the size of the battery module 200 along a first direction, and the second measuring assembly 30 is used for measuring the size of the battery module 200 along a second direction. The first direction is set to the X direction shown in fig. 1 or 2, and the second direction is set to the Y direction shown in fig. 1 or 2. In the present embodiment, the dimension of the battery module 200 in the first direction is a width, and the dimension in the second direction is a length.

The first measuring assembly 20 and the second measuring assembly 30 each include a positioning block, a movable element and a measuring element, the positioning block is disposed on the substrate 10, the measuring element is disposed on the movable element, and the movable element can move toward a direction close to or away from the positioning block, so that the measuring element can measure the size of the battery module 200.

The positioning block of the first measuring assembly 20 is set as a first positioning block 21, and the positioning block of the second measuring assembly 30 is set as a second positioning block 31. The movable element of the first measuring assembly 20 is set to be the first movable element 22 and the movable element of the second measuring assembly 30 is set to be the second movable element 32. The measuring element of the first measuring unit 20 is set as the first measuring element 23, and the measuring element of the second measuring unit 30 is set as the second measuring element 33.

The first positioning block 21 and the second positioning block 31 serve as positioning references for the battery module 200. The first positioning block 21, the second positioning block 31, the first movable element 22 and the second movable element 32 enclose to form a measuring position. The transferring mechanism or the manual work transfers the battery module 200 from the previous process to the measuring position, and the first movable element 22 moves towards the direction close to the first positioning block 21 until the measuring element abuts against the side surface of the battery module 200, so that a first measuring value can be read; the second movable element 32 moves towards the direction close to the second positioning block 31 until the measuring element abuts against the side surface of the battery module 200, and a second measured value can be read.

The detection device 100 can synchronously measure the sizes of at least two dimensions of the battery module 200, meets the requirement of multiple measurements, and occupies a small space.

In one embodiment, the first measuring assembly 20 further includes a first power unit 24, and the first power unit 24 is disposed on the base plate 10 for driving the first movable element 22 to move. The second measuring assembly 30 further comprises a second power unit 34, and the second power unit 34 is disposed on the base plate 10 and is used for driving the second movable element 32 to move.

In other embodiments, manual measurement may be performed, specifically, the first movable element 22 or the second movable element 32 is manually pushed close to the surface of the battery module 200, and the measured value is read.

The first measuring assembly 20 further includes a first guide rail 25, the first guide rail 25 is disposed on the base plate 10 and extends along a first direction, and the first movable element 22 is slidably disposed on the first guide rail 25. The second measuring assembly 30 further includes a second guide rail 35, the second guide rail 35 is disposed on the substrate 10 and extends along the second direction, and the second movable element 32 is slidably disposed on the second guide rail 35. It will be appreciated that the number of the first/second guide rails 25/35 may be 1 or more, and the guide function can be performed during the movement of the first/second movable members 22/32.

In one embodiment, the measuring element is a digital display dial indicator, and the digital display dial indicator has the advantages of accurate display, clear reading and high precision. The digital display dial indicator is fixedly arranged on the first movable element 22 or the second movable element 32. The digital display dial indicator is a length measuring instrument which converts general linear motion into rotary motion of a pointer through a gear or a lever and then reads on a display screen. The digital display dial indicator generally comprises a measuring head, a measuring rod, a shockproof spring, a rack, a gear, a hairspring, a display screen and the like. The working principle of the digital display dial indicator is as follows: and (3) the measuring head caused by the measured dimension moves linearly and slightly, the measured dimension is amplified through gear transmission, and the size of the measured dimension is displayed through a display screen. Because the measuring range of the digital display dial indicator is small, the measured value obtained by the digital display dial indicator is the difference value between the actual value and the standard value of the size of the battery module 200.

Referring to fig. 3, the first measuring assembly 20 further includes a first reference block 27, the first reference block 27 is disposed on the substrate 10, the contact pins of the digital display dial indicator are disposed opposite to the first reference block 27, the surface of the first reference block 27 facing the contact pins is a first reference surface, and the distance from the first reference surface to the first positioning block 21 is the size of the standard battery module 200 in the first direction. When the first movable element 22 abuts against the side surface of the battery module 200, the contact pin of the digital display dial indicator comes into contact with the first reference surface and shows the measured value. The measured value is a difference between the actual width value of the battery module 200 and the standard width dimension.

Referring to fig. 2 again, the second measuring assembly 30 further includes a second reference block 37, the second reference block 37 is disposed on the substrate 10, the contact pins of the digital display dial indicator are disposed opposite to the second reference block 37, the surface of the second reference block 37 facing the contact pins is a second reference surface, and the distance from the second reference surface to the second positioning block 31 is the dimension of the standard battery module 200 in the second direction. When the second movable element 32 abuts against the side surface of the battery module 200, the contact pins of the digital display dial indicator come into contact with the second reference surface and show the measured value. The measured value is a difference between the actual length value and the standard length size of the battery module 200.

Further, the first/second movable members 22/32 include a vertically disposed horizontal plate slidably disposed on the first/second guide rails 25/35 and a vertical plate parallel to the surface of the battery module 200. When the first moving member 22/the second moving member 32 are moved to the proper positions, the vertical plates are brought into contact with the surface of the battery module 200.

In an embodiment, the detecting device 100 further includes a third measuring assembly 40, the third measuring assembly 40 includes a base 41, a measuring ruler 42 and a sliding block 43, the base 41 is disposed on the substrate 10, the measuring ruler 42 is vertically disposed on the base 41, the sliding block 43 is movably disposed on the measuring ruler 42, and the sliding block 43 can move along the measuring ruler 42 to abut against the surface of the battery module 200, so as to measure the dimension of the battery module 200 along the third direction. The third direction is the Z direction shown in fig. 3, and the dimension of the battery module 200 along the third direction is the height.

Referring to fig. 1, in an embodiment, the detecting device 100 further includes a frame 50, a marble platform 60, and a feeler gauge (not shown), wherein the marble platform 60 is disposed on the frame 50, an upper surface of the marble platform 60 is a standard plane, the battery module 200 is transferred onto the marble platform 60, and the feeler gauge can measure distances between a bottom surface of the battery module 200 and the upper surface of the marble platform 60 at a plurality of positions, so as to obtain a flatness of the bottom surface of the battery module 200.

The marble table 60 may be disposed on the frame 50 side by side with the substrate 10. Or, the substrate 10 is movably arranged on the frame 50, the distance between the substrate 10 and the frame 50 is greater than the thickness of the marble platform 60, the substrate 10 can move to the upper side of the marble platform 60, and at the moment, the substrate 10 is located at the edge of the frame 50 so as to be closely connected with other processes, so that the battery module 200 is transferred between the measuring station and other stations.

Referring to fig. 1, 4 and 5, the detecting device 100 further includes a plurality of positioning assemblies 70, and the positioning assemblies 70 are disposed on the frame 50 and used for fixing the relative positions of the substrate 10 and the frame 50. The positioning assembly 70 includes a mounting plate 71, a spring (not shown) and a positioning bead 72, the mounting plate 71 is disposed on the frame 50, the mounting plate 71 has a receiving groove, the positioning bead 72 is disposed in the receiving groove, and the spring is disposed between the inner wall of the receiving groove and the positioning bead 72. The side of the substrate 10 is opened with a matching groove 11, and the positioning bead 72 can enter the matching groove 11 to fix the position of the substrate 10. It is understood that the number of the positioning assemblies 70 can be set according to actual requirements, for example, 2 positioning assemblies 70 can be provided, and two positioning assemblies 70 are respectively located at two ends of the rack 50.

In another embodiment, the flatness of the battery module 200 may also be measured directly above the substrate 10. The upper surface of the base plate 10 is a standard plane, and the sensing device 100 further includes a feeler for measuring distances between the bottom surface of the battery module 200 and the upper surface of the base plate 10 at a plurality of positions so as to obtain the flatness of the bottom surface of the battery module 200.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A detection device is characterized by comprising a substrate, a first measurement component and a second measurement component, wherein the first measurement component and the second measurement component are arranged on the substrate in an included angle,

2. The detecting device for detecting the rotation of a motor rotor according to claim 1, wherein the first measuring assembly and/or the second measuring assembly further comprises a power unit, and the power unit is arranged on the base plate and used for driving the movable element to move.

3. The detecting device according to claim 1, wherein the first measuring assembly and/or the second measuring assembly further comprises a guide rail, the guide rail is disposed on the substrate and extends along the first direction or the second direction, and the movable element is slidably disposed on the guide rail.

4. The detection device according to claim 1, wherein the measurement element is a digital display dial indicator fixedly arranged on the movable element, the first measurement assembly and/or the second measurement assembly further comprises a reference block arranged on the base plate, a contact pin of the digital display dial indicator is arranged opposite to the reference block, the surface of the reference block facing the contact pin is a reference surface, and the distance between the reference surface and the positioning block is the size of the standard workpiece in the first direction or the second direction,

5. The inspection device of claim 1, further comprising a third measuring assembly, wherein the third measuring assembly comprises a base, a measuring ruler, and a slider, the base is disposed on the base, the measuring ruler is vertically disposed on the base, the slider is movably disposed on the measuring ruler, and the slider can move along the measuring ruler to abut against the surface of the workpiece to measure the dimension of the workpiece along the third direction.

6. The inspection apparatus of claim 1, wherein the upper surface of the substrate is a standard plane, the inspection apparatus further comprising a feeler for measuring a distance between the bottom surface of the workpiece and the upper surface of the substrate at a plurality of positions so as to derive a flatness of the bottom surface of the workpiece.

7. The inspection device of claim 1, further comprising a frame, a marble platform disposed on the frame, the marble platform having a top surface that is a standard plane, and a feeler gauge for measuring a distance between the bottom surface of the workpiece and the top surface of the marble platform at a plurality of positions to obtain a flatness of the bottom surface of the workpiece.

8. The apparatus according to claim 7, wherein the substrate is movably disposed on the frame, and a distance between the substrate and the frame is greater than a thickness of the marble platform.

9. The inspection device of claim 8, further comprising a plurality of positioning assemblies disposed on the frame for fixing the relative positions of the substrate and the frame.

10. The detecting device for detecting the rotation of the motor rotor according to the claim 9, wherein the positioning assembly comprises a mounting plate, a spring and a positioning bead, the mounting plate is arranged on the rack, the mounting plate is provided with a containing groove, the positioning bead is arranged in the containing groove, the spring is arranged between the inner wall of the containing groove and the positioning bead, the side surface of the base plate is provided with a matching groove, and the positioning bead can enter the matching groove to fix the position of the base plate.