Lithium battery thickness measuring equipment

Abstract

The utility model relates to a thickness measuring device for a lithium battery. The thickness measuring device comprises two clamping plates and an adjusting member. The two clamping plates are oppositely arranged, the opposite side faces of the two clamping plates are parallel, a thickness measuring channel is formed between the opposite side faces of the two clamping plates, and the adjusting piece is used for adjusting the distance between the two clamping plates and fixing the two clamping plates after adjustment. The lithium battery thickness measuring device is simple in structure and convenient to operate, the measuring precision can reach 0.001 mm, the width of the thickness measuring channel is adjusted through the adjusting piece, the lithium battery thickness measuring device can adapt to thickness measuring work of lithium batteries of different specifications, and the universality is extremely high.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium batteries, in particular to a lithium battery thickness measuring device. Background Art

[0002] Before leaving the factory, lithium battery factories need to carry out thickness measurement process to remove lithium batteries with thickness exceeding the standard value. At present, the main method of measuring the thickness of lithium batteries is to use a vernier caliper to measure the thickness of the battery. Generally, the lower jaw of the vernier caliper is used to measure the thickness of the battery and observe the length of the lower jaw. If the lithium battery cannot be inserted into the lower jaw of the vernier caliper, it can be judged that the thickness of the lithium battery exceeds the standard.

[0003] However, although measurement with a vernier caliper is quick, the accuracy of the vernier caliper is 0.01mm, and the measured thickness is not accurate enough. It can only measure the thickness of the lithium battery's periphery, and cannot measure the middle part of the battery in depth. This will cause the bulging of the middle part of the lithium battery to be ignored, and the battery cells with excessive thickness cannot be accurately screened out. If customers use bulging batteries, there will be safety risks of battery short circuit and explosion, and a large number of customer complaints will be generated later, causing damage and losses to customer safety, product quality, reputation, and corporate resources, financial resources, material resources, and human resources. Utility Model Content

[0004] Based on this, in view of the current method of measuring the thickness of lithium batteries, which is mainly measured with a vernier caliper, but the accuracy of the vernier caliper is 0.01mm, the measured thickness is not accurate enough, and the battery with bulging in the middle part may be ignored, and the technical problem of not being able to accurately screen out the battery cells with excessive thickness, it is necessary for the utility model to provide a lithium battery thickness measuring device.

[0005] The utility model provides a lithium battery thickness measuring device, which comprises two clamping plates and an adjusting member; the two clamping plates are arranged opposite to each other, the opposite sides of the two clamping plates are parallel and a thickness measuring channel is formed between the opposite sides of the two clamping plates, and the adjusting member is used to adjust the distance between the two clamping plates and fix the two clamping plates after the adjustment.

[0006] In the utility model, the distance between the two clamping plates is adjusted by the adjusting member to adjust the width of the thickness measuring channel, ensuring that the width of the thickness measuring channel is consistent with the standard thickness of the lithium battery to be measured. When measuring, the lithium battery to be measured is gently placed in the thickness measuring channel between the two clamping plates. If the lithium battery can be completely placed in the thickness measuring channel, it means that the thickness of the lithium battery meets the standard; otherwise, it means that the thickness of the lithium battery does not meet the standard. The utility model has a simple structure, is easy to operate, and has a measurement accuracy of 0.001mm.

[0007] As a further improvement of the above scheme of the utility model, the lithium battery thickness measuring device also includes a base, the base has a mounting groove with an opening at the top and an observation port connected to the bottom of the mounting groove is formed on the base, two clamps are arranged at the slot position of the mounting groove, a gap is left between the bottom of the clamp and the bottom of the mounting groove, and the bottom of the clamp is located above the observation port.

[0008] As a further improvement of the above scheme of the utility model, the base includes an upper seat body and a lower seat body which are arranged and connected up and down; an upper square groove is formed through the upper seat body, and two clamps are relatively arranged in the upper square groove; the top of the lower seat body is recessed to form a lower square groove and the lower square groove cooperates with the upper square groove to form the installation groove, and the lower seat body is provided with the observation ports on both sides of the length direction of the lower square groove.

[0009] As a further improvement of the above solution of the utility model, the upper seat body is threadedly connected with adjusting bolts at both ends of the upper square groove in the length direction, and the bottom of the adjusting bolt is threadedly connected with the lower seat body.

[0010] As a further improvement of the above solution of the utility model, the upper seat body and the lower seat body are both square structures.

[0011] As a further improvement of the above-mentioned scheme of the utility model, the adjusting part includes two micrometers, and mounting holes connected to the upper square groove are opened on the upper seat body at the middle position on both sides of the length direction of the upper square groove. The two micrometers are respectively installed in the two mounting holes and the micrometer screws of the two micrometers are respectively in contact with the two clamps.

[0012] As a further improvement of the above scheme of the utility model, the adjusting member also includes two groups of adjusting groups, which are respectively arranged on the side of the two clamps away from each other. The adjusting group includes a plurality of guide rods, one end of the guide rod is connected to the corresponding clamp and the other end thereof slides through the upper seat body and extends out of the upper seat body.

[0013] As a further improvement of the above scheme of the utility model, the adjusting member also includes two fixing groups, which are respectively arranged on the side of the two clamps away from each other. The fixing groups include a plurality of fixing bolts, which pass through the upper seat body and are threadedly connected to the corresponding clamps, and the fixing bolts are threadedly matched with the upper seat body.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1. In the present invention, the distance between the two clamping plates is adjusted by the adjusting member to adjust the width of the thickness measuring channel, ensuring that the width of the thickness measuring channel is consistent with the standard thickness of the lithium battery to be measured. When measuring, the lithium battery to be measured is gently placed in the thickness measuring channel between the two clamping plates. If the lithium battery can be completely placed in the thickness measuring channel, it means that the thickness of the lithium battery meets the standard; otherwise, it means that the thickness of the lithium battery does not meet the standard. The present invention has a simple structure, is easy to operate, and has a measurement accuracy of 0.001mm.

[0016] 2. The utility model can adjust the width of the thickness measuring channel through the adjusting piece, and can adapt to the thickness measurement of lithium batteries of different specifications, and has high versatility. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic structural diagram of a lithium battery thickness measuring device proposed in an embodiment of the utility model.

[0018] Figure numerals: 1. clamping plate; 2. observation port; 3. upper seat body; 4. lower seat body; 5. adjusting bolt; 6. micrometer; 7. guide rod; 8. fixing bolt. DETAILED DESCRIPTION

[0019] In order to facilitate the understanding of the present invention, the present invention will be described more comprehensively in conjunction with specific embodiments below. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thoroughly and comprehensively understood.

[0020] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention.

[0021] Reference Figure 1 This embodiment provides a lithium battery thickness measuring device, which includes two clamping plates 1 and an adjusting member, and may also include a base.

[0022] The base includes an upper seat body 3 and a lower seat body 4 arranged up and down. In the present embodiment, the upper seat body 3 and the lower seat body 4 are both square structures. Of course, in other embodiments, the upper seat body 3 and the lower seat body 4 may also be other shapes, such as round or trapezoidal. An upper square groove is provided through the upper seat body 3, and a lower square groove is formed at the top of the lower seat body 4. The lower square groove is adapted to the upper square groove and the length direction of the two is consistent. The upper seat body 3 is threadedly connected with two adjusting bolts 5 at both ends of the length direction of the upper square groove. The bottom of the adjusting bolt 5 is threadedly connected with the lower seat body 4, so that the lower square groove cooperates with the upper square groove to form an installation groove. By rotating the adjusting bolt 5, the distance between the upper seat body 3 and the lower seat body 4 can be adjusted, that is, the depth of the installation groove can be adjusted. For the convenience of observation, the lower seat body 4 is provided with observation ports 2 at both sides of the length direction of the lower square groove. In this embodiment, mounting holes connected to the upper square groove are provided on the upper seat body 3 at the middle positions on both sides in the length direction of the upper square groove, and screw holes are penetrated through the upper seat body 3 at both sides of each mounting hole. An assembly hole is also penetrated through the side of the screw hole away from the mounting hole, and a linear bearing is installed in the assembly hole.

[0023] The two clamps 1 are relatively arranged in the upper square groove and there is a clearance fit between the clamps 1 and the upper seat 3. The length direction of the clamps 1 is consistent with the length direction of the upper square groove. The opposite sides of the two clamps 1 are parallel and a thickness measuring channel is formed between the opposite sides of the two clamps 1.

[0024] The adjusting member is used to adjust the distance between the two clamping plates 1, that is, to adjust the width of the thickness measuring channel, and to fix the two clamping plates 1 after the adjustment. In this embodiment, the adjusting member includes two micrometers 6, two groups of adjusting groups and two groups of fixing groups. The two micrometers 6 are respectively arranged on the side away from each other of the two clamping plates 1 and the two micrometers 6 are installed in two mounting holes, and the micrometer screws of the two micrometers 6 are in contact with the two clamping plates 1 respectively. The two groups of adjusting groups are respectively arranged on the side away from each other of the two clamping plates 1 and the two groups of adjusting groups are respectively arranged corresponding to the two micrometers 6, and each adjusting group includes two guide rods 7, and the two guide rods 7 respectively penetrate the linear bearings on both sides of the corresponding micrometers 6. The two groups of fixing groups are respectively arranged on the side away from each other of the two clamping plates 1 and the two groups of adjusting groups are respectively arranged corresponding to the two micrometers 6, and each fixing group includes two fixing bolts 8, and the two fixing bolts 8 respectively penetrate the screw holes on both sides of the corresponding micrometers 6 and extend into the upper square groove to be threadedly connected with the corresponding clamping plate 1.

[0025] Through the above structural arrangement, the lithium battery thickness measuring device of this embodiment needs to be adjusted before use. The specific adjustment process is: use a wrench to rotate the adjusting bolt 5 to raise the upper seat 3 so that the depth of the mounting groove reaches more than three-quarters of the height of the battery, and keep the upper seat 3 in a horizontal state; use a vernier caliper to adjust the distance of the lower scale of the vernier caliper to the standard thickness value of a battery, and place the lower scale tightly above the two clamps 1, fix the vernier caliper with one hand, and push and pull the four guide rods 7 with the other hand to roughly adjust the width of the thickness measuring channel so that the width of the thickness measuring channel between the two clamps 1 reaches the standard thickness value of the battery on one side; after the adjustment is completed, the width of the thickness measuring channel is fine-tuned by two micrometers 6 until the distance is consistent with the standard value of the battery thickness; after the fine-tuning of the thickness measuring channel width is completed, use a wrench to tighten the fixing bolt 8 to completely fix the two clamps 1.

[0026] After adjustment, the lithium battery thickness measuring device of this embodiment can be used to measure the thickness of the lithium battery. The measuring method is: gently put the lithium battery to be tested into the thickness measuring channel between the two clamping plates 1. If the lithium battery to be tested can be put into the thickness measuring channel, it means that the thickness of the lithium battery to be tested meets the standard, otherwise it means that the thickness of the lithium battery to be tested does not meet the standard. This embodiment has a simple structure, is easy to operate, and the measurement accuracy can reach 0.001mm.

[0027] It should be noted that when a component is referred to as being "mounted on" another component, it may be directly on the other component or there may be a central component. When a component is considered to be "set on" another component, it may be directly set on the other component or there may be a central component at the same time. When a component is considered to be "fixed to" another component, it may be directly fixed on the other component or there may be a central component at the same time.

[0028] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "or / and" used herein includes any and all combinations of one or more related listed items.

[0029] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0030] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A lithium battery thickness measuring device, characterized in that: It comprises two clamping plates (1) and an adjusting member; the two clamping plates (1) are arranged opposite to each other, the opposite sides of the two clamping plates (1) are parallel and a thickness measuring channel is formed between the opposite sides of the two clamping plates (1), and the adjusting member is used to adjust the distance between the two clamping plates (1) and fix the two clamping plates (1) after the adjustment; The lithium battery thickness measuring device further comprises a base, the base having a mounting groove with an opening at the top and an observation port (2) connected to the bottom of the mounting groove formed on the base, two clamping plates (1) being arranged at the slot positions of the mounting groove, a gap being left between the bottom of the clamping plates (1) and the bottom of the mounting groove, and the bottom of the clamping plates (1) being located above the observation port (2); The adjusting member comprises two micrometers (6). The upper seat body (3) is provided with mounting holes connected to the upper square groove at the middle positions on both sides in the length direction of the upper square groove. The two micrometers (6) are respectively mounted in the two mounting holes, and the micrometer screws of the two micrometers (6) are respectively in contact with the two clamping plates (1).

2. The lithium battery thickness measuring device according to claim 1, characterized in that: The base comprises an upper seat body (3) and a lower seat body (4) which are arranged and connected up and down; an upper square groove is formed through the upper seat body (3), and two clamping plates (1) are arranged relatively in the upper square groove; the top of the lower seat body (4) is recessed to form a lower square groove, and the lower square groove cooperates with the upper square groove to form the installation groove; the lower seat body (4) is provided with the observation ports (2) at both sides of the lower square groove in the length direction.

3. The lithium battery thickness measuring device according to claim 2, characterized in that: The upper seat body (3) is threadedly connected with adjusting bolts (5) at both ends of the upper square groove in the length direction, and the bottom of the adjusting bolt (5) is threadedly connected with the lower seat body (4).

4. The lithium battery thickness measuring device according to claim 2, characterized in that: The upper seat body (3) and the lower seat body (4) both have a square structure.

5. The lithium battery thickness measuring device according to claim 1, characterized in that: The adjusting member further comprises two adjusting groups, the two adjusting groups being respectively arranged on the sides of the two clamping plates (1) away from each other, the adjusting groups comprising a plurality of guide rods (7), one end of the guide rods (7) being connected to the corresponding clamping plates (1) and the other end of the guide rods (7) slidingly passing through the upper seat body (3) and extending out of the upper seat body (3).

6. The lithium battery thickness measuring device according to claim 1, characterized in that: The adjusting member further comprises two fixing groups, the two fixing groups being respectively arranged on the sides of the two clamping plates (1) away from each other, the fixing groups comprising a plurality of fixing bolts (8), the fixing bolts (8) passing through the upper seat body (3) and being threadedly connected to the corresponding clamping plates (1), and the fixing bolts (8) being threadedly matched with the upper seat body (3).

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