Arc degree measuring device

Abstract

The utility model provides an arc degree measuring device. The arc degree measuring device comprises a mounting rack; the number of the clamping assemblies is two, and the two clamping assemblies are arranged on the mounting frame in a spaced mode in the first direction and used for clamping the two ends of the pole piece; the pull-down assembly is arranged on the mounting frame corresponding to one clamping assembly and can drive the corresponding clamping assembly to move in the second direction; the measuring assembly is arranged on the mounting frame, and at least one part of the measuring assembly can move in the third direction relative to the mounting frame. According to the utility model, the problem of poor arc degree measurement effect of the pole piece in the prior art is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a battery technical field, specifically, relate to a kind of arc degree measuring devices. BACKGROUND

[0002] In the production process of battery, winding machine is wound in the set tension positive and negative pole piece on roll core, and the edge of positive and negative pole piece is aligned with the edge of roll core. In order to make the winding machine work normally, it is necessary to ensure that the length edge of positive and negative pole piece and the edge of roll core are strictly centered, so as to avoid the shift of positive and negative pole piece when the winding machine works, and affect the performance of battery. In the prior art, the measurement of pole piece arc degree generally adopts manual visual inspection method, and the measurement of pole piece arc degree has certain subjectivity, which is difficult to analyze by MSA, and high-precision measurement cannot be realized.

[0003] Therefore, there is the problem of poor pole piece arc degree measurement effect in the prior art. UTILITY MODEL CONTENT

[0004] The main purpose of the utility model is to provide an arc degree measuring device to solve the problem of poor pole piece arc degree measurement effect in the prior art.

[0005] In order to achieve the above purpose, according to one aspect of the utility model, an arc degree measuring device is provided, which comprises: a mounting frame; a clamping assembly, the clamping assembly is two, two clamping assemblies are arranged on the mounting frame along the first direction, and the two clamping assemblies are used for clamping the two ends of the pole piece; a pull-down assembly, the pull-down assembly is arranged on the mounting frame corresponding to one of the clamping assemblies and can drive the corresponding clamping assembly to move along the second direction; a measuring assembly, the measuring assembly is arranged on the mounting frame, and at least a part of the measuring assembly can move along the third direction relative to the mounting frame.

[0006] Further, the first direction, the second direction and the third direction are perpendicular to each other.

[0007] Further, the first direction and the third direction are parallel to the horizontal plane, and the second direction is parallel to the vertical direction.

[0008] Further, the arc degree measuring device further comprises at least two over rollers, two over rollers are arranged on the mounting frame corresponding to two clamping assemblies, and the end of the pole piece is clamped by the clamping assembly after winding around the over roller.

[0009] Further, the over roller and the clamping assembly are arranged in the second direction.

[0010] Further, the measuring assembly comprises a measuring part arranged on the mounting frame, and at least a part of the measuring part is movable relative to the mounting frame along a third direction; and a limiting plate, one end of the limiting plate is connected with the measuring part and moves relative to the mounting frame along with the measuring part, and the other end of the limiting plate away from the measuring part is used to abut against the pole piece.

[0011] Further, the thickness direction of the limiting plate is parallel to the third direction.

[0012] Further, the measuring part comprises a reading box arranged on the mounting frame, and the reading box has a mounting channel extending along the third direction; and a scale, at least a part of the scale is arranged in the mounting channel and is movable relative to the reading box along the mounting channel, and at least one end of the scale close to the limiting plate protrudes out of the reading box and is connected with the limiting plate.

[0013] Further, the arc degree measuring device further comprises a slide rod arranged on the mounting frame, and the measuring part is arranged on the slide rod and is movable along the axial direction of the slide rod.

[0014] Further, the axial direction of the slide rod is parallel to the first direction.

[0015] By applying the technical scheme of the present application, the arc degree measuring device in the present application comprises a mounting frame, a clamping assembly, a pulling-down assembly and a measuring assembly. The clamping assembly is two, and the two clamping assemblies are arranged on the mounting frame along the first direction and are used to clamp the two ends of the pole piece. The pulling-down assembly is arranged on the mounting frame corresponding to one of the clamping assemblies and can drive the corresponding clamping assembly to move along the second direction. The measuring assembly is arranged on the mounting frame, and at least a part of the measuring assembly is movable relative to the mounting frame along the third direction.

[0016] When the arc degree measuring device in the present application is used to measure the pole piece, the two clamping assemblies are used to clamp the two ends of the pole piece in the length direction respectively, so as to ensure the stability between the end of the pole piece and the clamping assembly. Then, the pulling-down assembly is used to provide the clamping assembly with the acting force in the second direction. At this time, the deformation of the pole piece in the width direction is the same as or similar to the third direction. Therefore, the measuring assembly can be pushed by the pole piece at this time, or the measuring assembly is pushed and abuts against the pole piece, so as to obtain the measurement result of the arc degree of the pole piece. Therefore, when the arc degree measuring device in the present application is used to measure the arc degree of the pole piece, the measurement result is more accurate compared with the result obtained by using the visual method in the prior art. Therefore, the arc degree measuring device in the present application effectively solves the problem of poor measurement effect of the arc degree of the pole piece in the prior art. BRIEF DESCRIPTION OF DRAWINGS

[0017] The drawings constituting a part of the specification of the application serve to provide further understanding of the present application, the illustrative embodiments of the present application and the description thereof serve to explain the present application, and do not constitute an improper limitation on the present application. In the drawings:

[0018] Figure 1 A structural schematic view of the arc degree measuring device of one specific embodiment of the present application is shown;

[0019] Figure 2 A top view of the arc degree measuring device in Figure 1 is shown.

[0020] Among them, the above drawings include the following reference signs:

[0021] 10, mounting frame; 20, clamping assembly; 30, pull-down assembly; 40, measuring assembly; 41, measuring part; 411, reading box; 412, scale; 42, limiting plate; 50, pole piece; 60, passing roller; 70, sliding rod. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. The description of the at least one exemplary embodiment is actually only illustrative, and is by no means intended to limit the present application and its application or use. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without making creative efforts fall within the scope of protection of the present application.

[0023] It should be noted that the terms used herein are only for the purpose of describing specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. As used herein, the singular form is intended to include the plural form unless the context clearly indicates otherwise, and furthermore, it should be understood that when the terms "comprise" and / or "include" are used in the specification, there is a feature, step, operation, device, component and / or combination thereof.

[0024] The relative arrangement of parts and steps, numerical expressions, and numerical values set forth in the examples herein are not intended to limit the scope of the present disclosure unless specifically stated otherwise. Also, it is to be understood that the dimensions of the various parts shown in the drawings are not drawn to scale for ease of illustration. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art can not be discussed in detail, but should be considered part of the disclosure as appropriate. In all examples shown and discussed herein, any specific values are to be interpreted as merely exemplary and not limiting. Thus, other examples of the exemplary embodiments can have different values. It is to be noted that like numbers and letters refer to like elements throughout the several views of the drawings, and that the use of or reference to certain terms in various places of the specification and claims does not exclude that the same or similar terms are used in other places of the specification and claims.

[0025] In order to solve the problem of poor measurement effect of the arc degree of the pole piece 50 in the prior art, the arc degree measurement device is provided.

[0026] As shown in Figure 1 and Figure 2 , the arc degree measurement device comprises a mounting frame 10, a clamping assembly 20, a pulling-down assembly 30, and a measurement assembly 40. The clamping assembly 20 is two, and the two clamping assemblies 20 are arranged on the mounting frame 10 in a first direction and are used to clamp the two ends of the pole piece 50. The pulling-down assembly 30 is arranged on the mounting frame 10 corresponding to one of the clamping assemblies 20 and can drive the corresponding clamping assembly 20 to move in a second direction. The measurement assembly 40 is arranged on the mounting frame 10, and at least a part of the measurement assembly 40 can move in a third direction relative to the mounting frame 10.

[0027] When the arc degree measurement device is used to measure the pole piece 50, the two clamping assemblies 20 are used to clamp the two ends of the pole piece 50 in the length direction, so as to ensure the stability between the end of the pole piece 50 and the clamping assembly 20. Then, the pulling-down assembly 30 provides a second direction force to the clamping assembly 20. At this time, the deformation of the pole piece 50 in the width direction is the same as or similar to the third direction. Therefore, the measurement assembly 40 can be pushed by the pole piece 50, or the measurement assembly 40 is pushed and abuts against the pole piece 50, so as to obtain the measurement result of the arc degree of the pole piece 50. Therefore, when the arc degree measurement device is used to measure the arc degree of the pole piece 50, the measurement result is more accurate than the result obtained by using the visual method in the prior art. Therefore, the arc degree measurement device effectively solves the problem of poor measurement effect of the arc degree of the pole piece 50 in the prior art.

[0028] And, in the present application, the clamping assembly 20 can include a clamping cylinder, and the pull-down assembly 30 can include a tension cylinder.

[0029] Specifically, the first direction, the second direction and the third direction are perpendicular to each other in pairs.

[0030] In one specific embodiment of the present application, the first direction and the third direction are parallel to the horizontal plane, and the second direction is parallel to the vertical direction. By thus setting, the accuracy of the measurement result of the arc degree of the pole piece 50 by the arc degree measuring device in the present application can be effectively ensured.

[0031] Specifically, the arc degree measuring device further includes at least two passing rollers 60, the two passing rollers 60 are arranged on the mounting frame 10 corresponding to the two clamping assemblies 20, and the end of the pole piece 50 is clamped by the clamping assembly 20 after passing around the passing roller 60. In the present application, the passing roller 60 can provide a support point for the pole piece 50 and play a role in positioning the pole piece 50.

[0032] Optionally, the passing roller 60 and the clamping assembly 20 are arranged in the second direction. And, in one specific embodiment of the present application, the clamping assembly 20 is located below the passing roller 60 in the second direction. Of course, the passing roller 60 can be arranged in the first direction with the clamping assembly 20, or can coincide with the clamping assembly 20.

[0033] In one specific embodiment of the present application, the measuring assembly 40 includes a measuring part 41 and a limiting plate 42, the measuring part 41 is arranged on the mounting frame 10, and at least a part of the measuring part 41 can move along the third direction relative to the mounting frame 10; one end of the limiting plate 42 is connected with the measuring part 41 and moves with the measuring part 41 relative to the mounting frame 10, and the other end of the limiting plate 42 away from the measuring part 41 is used to abut against the pole piece 50. In the present application, by arranging the limiting plate 42, the measuring assembly 40 can more easily abut against the pole piece 50, so that the measurement result of the arc degree of the pole piece 50 can be more easily obtained.

[0034] Specifically, the thickness direction of the limiting plate 42 is parallel to the third direction. That is, in the present application, the plate surface of the limiting plate 42 is parallel to the plane in which the first direction and the second direction lie. By thus setting, the accuracy of the measurement result of the arc degree of the pole piece 50 can be effectively ensured.

[0035] In one specific embodiment of the present application, the measuring part 41 comprises a reading box 411 and a scale 412. The reading box 411 is arranged on the mounting frame 10, and the reading box 411 has a mounting channel extending along the third direction; at least a part of the scale 412 is arranged in the mounting channel and can move along the mounting channel relative to the reading box 411, and at least the scale 412 extends out of the reading box 411 and is connected with the limiting plate 42 at one end close to the limiting plate 42. In the present application, a reading opening of the mounting channel can be arranged on the top of the reading box 411, so that the scale line of the scale 412 can be observed, and a pointer can also be arranged on the reading opening so that the reading of the scale 412 can be obtained more easily. That is, when the arc degree of the pole piece 50 is measured, the scale pointed by the pointer is the arc degree of the pole piece 50.

[0036] Specifically, the arc degree measuring device further comprises a slide rod 70, the slide rod 70 is arranged on the mounting frame 10, and the measuring part 41 is arranged on the slide rod 70 and can move along the axial direction of the slide rod 70. In the present application, the reading box 411 can be arranged on the slide rod 70, so that the reading box 411 can drive the scale 412 and the limiting plate 42 to move along the axial direction of the slide rod 70, and thus the arc degree measuring device in the present application can measure different positions of the pole piece 50.

[0037] In the present application, the slide rod 70 is two, the two slide rods 70 are arranged at intervals along the third direction, and in the second direction, the two slide rods 70 are located at the same height. By arranging in this way, the stability of the reading box 411 after being mounted on the slide rod 70 can be ensured.

[0038] Optionally, the axial direction of the slide rod 70 is parallel to the first direction. By arranging in this way, the reading box 411 can be more smoothly moved along the axial direction of the slide rod 70.

[0039] From the above description, it can be seen that the embodiments of the present application realize the following technical effects:

[0040] 1. Effectively solve the problem of poor arc degree measurement effect of the pole piece 50 in the prior art;

[0041] 2. Simple structure and stable performance.

[0042] In the description of the utility model, it is understood that the orientation words such as '' front, back, up, down, left, right '' '' horizontal, vertical, perpendicular, horizontal '' and '' top, bottom '' and the like indicated orientation or positional relationship is usually based on the orientation or positional relationship shown in the drawings, only for the convenience of describing the utility model and simplifying the description, in the absence of the opposite statement, these orientation words do not indicate and imply that the device or element indicated must have a particular orientation or be constructed and operated in a particular orientation, therefore can not be understood as the limitation of the protection scope of the utility model;The orientation words '' inside, outside '' refer to the inside and outside relative to the contour of each component.

[0043] For the convenience of description, spatial relative terms such as '' above'', '' above'', '' upper surface'', '' upper '' and the like can be used here to describe the spatial position relationship of one device or feature with other devices or features as shown in the drawing. It should be understood that the spatial relative terms are intended to include different orientations in use or operation in addition to the orientation of the device described in the drawing. For example, if the device in the drawing is inverted, the device described as '' above '' or '' above '' other devices or structures will be positioned '' below '' or '' below '' other devices or structures. Thus, the exemplary term '' above '' can include both '' above '' and '' below '' orientations. The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative description used here is interpreted accordingly.

[0044] In addition, it should be noted that the use of '' first'', '' second '' and the like to limit parts is only for the convenience of distinguishing the corresponding parts, and the above words have no special meaning unless otherwise stated, therefore can not be understood as the limitation of the protection scope of the utility model.

[0045] The above only describes the preferred embodiments of the utility model, and is not used to limit the utility model, for those skilled in the art, the utility model can have various changes and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. An arc height measuring device characterized by, The arc-shaped degree measuring device comprises: a mounting rack (10); two clamping assemblies (20) which are arranged on the mounting rack (10) and are used for clamping two ends of the pole piece (50); a pulling-down assembly (30) which is arranged on the mounting rack (10) and is used for driving the corresponding clamping assembly (20) to move along a second direction; a measuring assembly (40) which is arranged on the mounting rack (10) and at least a part of which is capable of moving along a third direction relative to the mounting rack (10).

2. The arc height measuring device of claim 1, wherein The first direction, the second direction and the third direction are perpendicular to each other.

3. The arc height measuring device of claim 2, wherein The first direction and the third direction are parallel to the horizontal plane, and the second direction is parallel to the vertical direction.

4. The arc height measuring device of claim 1, wherein The arc-shaped degree measuring device further comprises at least two passing rollers (60) which are arranged on the mounting rack (10) corresponding to the two clamping assemblies (20), and the end of the pole piece (50) passes through the passing rollers (60) and is clamped by the clamping assemblies (20).

5. The arc height measuring device of claim 4, wherein The passing rollers (60) and the clamping assemblies (20) are arranged in the second direction.

6. The arc height measuring device of any one of claims 1 to 5, wherein, The measuring assembly (40) comprises: a measuring part (41) which is arranged on the mounting rack (10) and at least a part of which is capable of moving along the third direction relative to the mounting rack (10); a limiting plate (42) which is connected to the measuring part (41) and moves with the measuring part (41) relative to the mounting rack (10), and one end of the limiting plate (42) away from the measuring part (41) is used for abutting against the pole piece (50).

7. The arc height measuring device of claim 6, wherein The thickness direction of the limiting plate (42) is parallel to the third direction.

8. The arc height measuring device of claim 6, wherein The measuring part (41) comprises: a reading box (411) which is arranged on the mounting rack (10) and has a mounting channel extending along the third direction; a scale (412) at least a part of which is arranged in the mounting channel and is capable of moving along the mounting channel relative to the reading box (411), and at least one end of the scale (412) close to the limiting plate (42) extends out of the reading box (411) and is connected to the limiting plate (42).

9. The arc height measuring device of claim 6, wherein, The arc-shaped degree measuring device further comprises a slide rod (70) which is arranged on the mounting rack (10), and the measuring part (41) is arranged on the slide rod (70) and is capable of moving along the axial direction of the slide rod (70).

10. The arc height measuring device of claim 9, wherein, The axial direction of the slide rod (70) is parallel to the first direction.

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