CN212390926U - Measuring and positioning device - Google Patents

Abstract

The application provides a measure positioner includes: the surface of the object stage is distributed with first adsorption holes, a vacuum channel is arranged in the object stage, and the vacuum channel adsorbs and fixes a target object through the first adsorption holes; the fixing clamp is movably arranged on the objective table and used for fixing the target object; and a scale disposed on the stage for measuring a size of the target object. According to the technical scheme, the measuring and positioning device improves the measuring precision of the pole piece and the adapter piece, avoids pole piece damage, improves the measuring efficiency and enables operation to tend to be standardized.

Description

Measuring and positioning device

Technical Field

The application relates to the technical field of energy storage device measurement, in particular to a measurement positioning device.

Background

In the manufacturing process of the lithium battery, the pole piece cutting quality needs to be detected when the lamination process cuts the pole piece, such as the size, the thickness, burrs and the like of the pole piece. In the adapter welding process, the welding quality needs to be detected, such as weld width. During sampling inspection or full inspection, the traditional method is to manually and randomly sample, measure by using a tool, and influence the precision and the efficiency due to the lack of a special and standard measuring jig.

For example, when measuring the burr and the size of a pole piece, the pole piece is in a free state, the position is not fixed, the pole piece is deformed, the measurement error is large, and the risk of damaging the pole piece is caused when the pole piece is fixed by a pressing object. If the width of melting after measuring the switching piece laser welding is wide, usually the destruction tensile test has been carried out, leads to the shape of switching piece irregular, lacks special fixed tool when measuring, leads to measuring not to operate well, consumes the manpower.

SUMMERY OF THE UTILITY MODEL

The technical problem that this application will be solved provides a multi-functional measurement tool to in measurement, and can raise the efficiency and the precision.

In order to solve the above technical problem, the present application provides a measurement positioning device, including: the surface of the object stage is distributed with first adsorption holes, a vacuum channel is arranged in the object stage, and the vacuum channel adsorbs and fixes a target object through the first adsorption holes; the fixing clamp is movably arranged on the objective table and used for fixing the target object; and a scale disposed on the stage for measuring a size of the target object.

In an embodiment of the present application, the vacuum channel includes: the vacuum pipeline is arranged in the objective table, and second adsorption holes are distributed on the pipe wall of the vacuum pipeline and are aligned with the first adsorption holes; and the air pipe joint is connected with the air suction port of the vacuum pipeline.

In the embodiment of the present application, the measuring and positioning device further includes a screw plug, and the screw plug is used for sealing the vacuum pipeline.

In an embodiment of the present application, the fixing clip includes: the clamp base is movably arranged on the objective table; and the fixed clamp is arranged on the clamp base.

In an embodiment of the application, the fixing clip comprises a first clamping portion and a second clamping portion hinged to each other, the second clamping portion being mounted on the clip base.

In this application embodiment, the fixation clamp still includes first magnetism spare and second magnetism spare, the spacing groove has been seted up on the objective table, first magnetism spare with the second magnetism spare is located respectively the relative two sides of spacing groove just passes through magnetic force fixedly, the clip base with first magnetism spare passes through magnetic force fixedly.

In this application embodiment, the spacing groove runs through the objective table, just the spacing groove includes communicating first spacing groove and second spacing groove, the width of first spacing groove is greater than the width of second spacing groove, first magnetism spare inlays to be located in the first spacing groove and be located on the second spacing groove.

In the embodiment of the present application, the scale is movably disposed on the stage.

In an embodiment of the present application, the measurement positioning apparatus further includes a base, and the base is configured to support the stage.

In the embodiment of the application, handles are further arranged on two sides of the object stage.

Compared with the prior art, the measuring and positioning device of the technical scheme at least has the following beneficial effects:

the measurement positioning device of the technical scheme can quickly position the pole piece, conveniently measure burrs of the pole piece and the size of the pole piece, can quickly position the adapter piece, and is convenient for measure the fusion width.

The opportunity of direct contact with the pole piece is reduced, manual intervention is not needed after one-time positioning, the operation difficulty is reduced, the measurement precision is improved, the damage to the pole piece is reduced, and the rejection rate of the pole piece is reduced.

Multiple functions are integrated in one measuring jig, the assembly is common and easy to purchase, and the rejection rate of the pole piece can be reduced, so that the production cost of the battery can be greatly reduced.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a diagram illustrating an assembly relationship of a measurement positioning apparatus according to an embodiment of the present application;

FIG. 2 is a schematic structural diagram of a vacuum channel of a measurement positioning apparatus according to an embodiment of the present application;

FIG. 3 is a side view of the measurement positioning device installed in the assembled relationship of FIG. 1;

fig. 4 is a schematic structural view of a limiting groove.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present application, it is to be understood that the terms "upper", "lower", "top", "bottom", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. Moreover, the terms "first," "second," and the like are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

Referring to fig. 1, an embodiment of the present application provides a measuring and positioning device, which can be used to measure the size and burr of a pole piece, the weld width of an interposer after laser welding, and the like. The measurement positioning device includes: objective table 1, fixation clamp 2 and scale 3.

Objective table 1 can provide measuring platform for target object (for example, pole piece), and metal or organic glass, transparent and opaque all can be selected for use to objective table 1's material, objective table 1's size can be adjusted as required. First adsorption holes 11 are distributed on the surface of the objective table 1, a vacuum channel is arranged in the objective table and adsorbs and fixes a target object through the first adsorption holes 11, so that the measurement error caused by the deformation of the target object is reduced, and the problem of pole piece damage caused by the fixation of a pressing object is avoided. The position and number of the first adsorption holes 11 can be adjusted according to actual conditions.

In conjunction with fig. 1 and 2, in some embodiments, the vacuum channel may include a vacuum conduit 12 and a gas nipple 13. The vacuum pipeline 12 is arranged inside the objective table 1, second adsorption holes 14 are distributed on the pipe wall of the vacuum pipeline 12, the second adsorption holes 14 are aligned with the first adsorption holes 11, and the air pipe joint 13 is connected with an air suction port 121 of the vacuum pipeline 12. When the target object needs to be adsorbed, a vacuum-pumping device (e.g. a vacuum pump) is connected to the air pipe joint 13, air in the vacuum pipe 12 is pumped, and since the second adsorption hole 14 of the pipe wall of the vacuum pipe 12 is aligned with the first adsorption hole 11, air between the first adsorption hole 11 and the target object is also pumped into the vacuum pipe 12 to generate an air flow, so that the target object is adsorbed on the surface of the stage 1.

In some embodiments, a plurality of nozzles 122 may be further disposed on the vacuum pipe 12, and the nozzles 122 may be plugged by a screw plug 123 in order to seal the vacuum pipe 12.

Referring to fig. 1 and 3, the fixing clip 2 is movably mounted on the stage 1 for fixing a target object, for example, the fixing clip 2 may clamp and fix a pole piece to measure the thickness of the pole piece, or clamp and fix an interposer after a tensile test to measure the fusion width of the interposer. In some embodiments, the fixing clip 2 may include a clip base 21 and a fixing clip 22, the clip base 21 being movably mounted on the stage 1, the fixing clip 22 being mounted on the clip base 21.

The retaining clip 22 may be any structure known in the art that performs a retaining function. In the embodiment of the present application, the fixing clip 22 includes a first clamping portion 221 and a second clamping portion 222 hinged to each other, the second clamping portion 222 is mounted on the clip base 21, and the second clamping portion 222 may be fixed on the clip base 21 by a rivet 223, for example.

With reference to fig. 1, the fixing clip 2 further includes a first magnetic member 23 and a second magnetic member 24, the object stage 1 is provided with a limiting groove 15, the first magnetic member 23 and the second magnetic member 24 are respectively located on two opposite sides of the limiting groove 15 and are fixed by magnetic force, for example, the first magnetic member 23 and the second magnetic member 24 are respectively located on the upper surface and the lower surface of the limiting groove 15, and the first magnetic member 23 and the second magnetic member 24 are attracted by magnetism. The first magnetic member 23 and the second magnetic member 24 may be common strong magnets, and the shape thereof is not particularly limited, such as circular, square, and the like.

Referring to fig. 4, in some embodiments, the limiting groove 15 may penetrate the object stage 1 and include a first limiting groove 151 and a second limiting groove 152 that are communicated with each other, a width of the first limiting groove 151 is greater than a width of the second limiting groove 152, the first magnetic member 23 is embedded in the first limiting groove 151 and located above the second limiting groove 152, the second magnetic member 24 is located below the second limiting groove 152, and the first magnetic member 23 and the second magnetic member 24 are fixed on the object stage 1 by attracting each other.

In other embodiments, the limiting groove 15 may not be provided, and a plurality of positioning through holes may be provided on the stage 1, the first magnetic member 23 is located above the positioning through holes, and the second magnetic member 24 is located below the positioning through holes.

The clip base 21 may also be made of a magnetic material, and the clip base 21 and the first magnetic member 23 are fixed by magnetic force. Through adjusting first magnetic part 23 with second magnetic part 24 is in position in the spacing logical groove 15, and then adjust clip base 21 and fixation clamp 22 and be in position on the objective table 1, fixation clamp 2 of this application embodiment is very suitable to be used as the adaptor and surveys the mounting fixture when melting wide, and it is all very convenient to take, adjust, and low in manufacturing cost.

The measuring and positioning device further comprises a graduated scale 3, wherein the graduated scale 3 is configured on the objective table 1 and used for measuring the size of a target object. The graduated scale 3 can be designed to be higher than a target object or be flush with the target object. The scale 3 can be designed to be movably adjustable. The number of the graduated scales 3 can be configured according to actual conditions, in the embodiment of the application, only one graduated scale is respectively arranged in the length direction and the width direction, and in other embodiments, the graduated scales 3 can be configured all around. The length of the scale 3 can be adjusted according to the size of the target object. The material of the graduated scale 3 can be stainless steel or other metal materials, and can be transparent or opaque.

In the embodiment of the application, the measuring and positioning device further comprises a base 4, wherein the base 4 is used for supporting the object stage 1, and handles can be further arranged on two sides of the object stage 1, so that the measuring and positioning device is convenient to carry.

The working method of the measurement positioning device according to the embodiment of the present application is described in detail as follows:

(1) placing the pole piece at a proper position of an objective table, fixing the pole piece by vacuum adsorption, and placing burrs of the pole piece under a microscope;

(2) after burrs are measured, slightly adjusting the position of the pole piece, and quickly reading the size of the pole piece on the graduated scale;

(3) breaking vacuum, clamping the pole piece on a fixing clamp, and measuring the thickness of the pole piece by adopting a dry dividing ruler;

(4) and slightly shaping the adapter sheet after the tension test, clamping the adapter sheet on a fixing clamp, and measuring the fusion width of the adapter sheet by using a vernier caliper.

By adopting the measuring and positioning device of the embodiment of the application, the times of manual contact with the pole piece can be reduced, and the damage to the pole piece can be reduced; the pole pieces are fixed by vacuum adsorption, so that the measurement error caused by the deformation of the pole pieces is reduced, the measurement precision is improved, and the pole pieces are prevented from being damaged by the fixation of a pressing object; the efficiency of measuring the size of the pole piece is improved, the length and the width can be read quickly and conveniently, and the operation standardization is facilitated; the fixing difficulty of the adapter plate in measuring the melt width is reduced, the positioning is fast, and the efficiency is improved; the fixation clamp is fixed by the upper and lower strong magnets in an adsorption manner, the position is adjustable, and the fixation clamp is convenient to disassemble.

In conclusion, upon reading the present detailed disclosure, those skilled in the art will appreciate that the foregoing detailed disclosure can be presented by way of example only, and not limitation. Those skilled in the art will appreciate that the present application is intended to cover various reasonable variations, adaptations, and modifications of the embodiments described herein, although not explicitly described herein. Such alterations, improvements, and modifications are intended to be suggested by this disclosure, and are within the spirit and scope of the exemplary embodiments of this disclosure.

Furthermore, certain terminology has been used in this application to describe embodiments of the disclosure. For example, "one embodiment," "an embodiment," and/or "some embodiments" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the present disclosure. Therefore, it is emphasized and should be appreciated that two or more references to "an embodiment" or "one embodiment" or "an alternative embodiment" in various portions of this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined as suitable in one or more embodiments of the disclosure.

It should be appreciated that in the foregoing description of embodiments of the disclosure, various features are sometimes grouped together in a single embodiment, figure, or description thereof for the purpose of streamlining the disclosure aiding in the understanding of the subject disclosure. Alternatively, various features may be dispersed throughout several embodiments of the application. This is not to be taken as an admission that any of the features of the claims are essential, and it is fully possible for a person skilled in the art to extract some of them as separate embodiments when reading the present application. That is, embodiments in the present application may also be understood as an integration of multiple sub-embodiments. And each sub-embodiment described herein is equally applicable to less than all features of a single foregoing disclosed embodiment.

In some embodiments, numbers expressing quantities or properties used to describe and claim certain embodiments of the application are to be understood as being modified in certain instances by the term "about", "approximately" or "substantially". For example, "about," "approximately," or "substantially" can mean a ± 20% variation of the value it describes, unless otherwise specified. Accordingly, in some embodiments, the numerical parameters set forth in the written description and attached claims are approximations that may vary depending upon the desired properties sought to be obtained by a particular embodiment. In some embodiments, numerical parameters should be construed in light of the number of reported significant digits and by applying ordinary rounding techniques. Notwithstanding that the numerical ranges and parameters setting forth the broad scope of the embodiments of the application are approximations, the numerical values set forth in the specific examples are reported as precisely as possible.

Each patent, patent application, publication of a patent application, and other material, such as articles, books, descriptions, publications, documents, articles, and the like, cited herein is hereby incorporated by reference. All matters hithertofore set forth herein except as related to any prosecution history, may be inconsistent or conflicting with this document or any prosecution history which may have a limiting effect on the broadest scope of the claims. Now or later associated with this document. For example, if there is any inconsistency or conflict in the description, definition, and/or use of terms associated with any of the included materials with respect to the terms, descriptions, definitions, and/or uses associated with this document, the terms in this document are used.

Finally, it should be understood that the embodiments of the application disclosed herein are illustrative of the principles of the embodiments of the present application. Other modified embodiments are also within the scope of the present application. Accordingly, the disclosed embodiments are presented by way of example only, and not limitation. Those skilled in the art may implement the present application in alternative configurations according to the embodiments of the present application. Thus, embodiments of the present application are not limited to those embodiments described with accuracy in the application.

Claims (10)

1. A measurement positioning device, comprising:

the surface of the object stage is distributed with first adsorption holes, a vacuum channel is arranged in the object stage, and the vacuum channel adsorbs and fixes a target object through the first adsorption holes;

the fixing clamp is movably arranged on the objective table and used for fixing the target object;

and a scale disposed on the stage for measuring a size of the target object.

2. The measurement positioning apparatus of claim 1, wherein the vacuum channel comprises:

the vacuum pipeline is arranged in the objective table, and second adsorption holes are distributed on the pipe wall of the vacuum pipeline and are aligned with the first adsorption holes;

and the air pipe joint is connected with the air suction port of the vacuum pipeline.

3. The measurement positioning apparatus according to claim 2, further comprising a screw plug for sealing the vacuum pipe.

4. The measurement positioning apparatus of claim 1, wherein the retaining clip comprises:

the clamp base is movably arranged on the objective table;

and the fixed clamp is arranged on the clamp base.

5. The measurement positioning device according to claim 4, wherein the fixing clip comprises a first clamping portion and a second clamping portion hinged to each other, the second clamping portion being mounted on the clip base.

6. The measuring and positioning device according to claim 4, wherein the fixing clip further comprises a first magnetic member and a second magnetic member, a limiting groove is formed in the stage, the first magnetic member and the second magnetic member are respectively located on two opposite sides of the limiting groove and fixed through magnetic force, and the clip base and the first magnetic member are fixed through magnetic force.

7. The measurement positioning device according to claim 6, wherein the limiting groove penetrates through the stage, the limiting groove comprises a first limiting groove and a second limiting groove which are communicated with each other, the width of the first limiting groove is larger than that of the second limiting groove, and the first magnetic member is embedded in the first limiting groove and positioned on the second limiting groove.

8. A measurement positioning apparatus according to claim 1 in which the scale is movably disposed on the stage.

9. The measurement positioning apparatus of claim 1, further comprising a base for supporting the stage.

10. The measurement positioning apparatus according to claim 1, wherein the stage is further provided with handles on both sides.

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