CN218410960U

CN218410960U - Lithium cell size level pressure measurement tool

Info

Publication number: CN218410960U
Application number: CN202222388020.3U
Authority: CN
Inventors: 陈祥赞; 陈龙星; 陈宗勇; 方乐; 孙迎超
Original assignee: Ebteb New Energy Technology Co ltd
Current assignee: Ebteb New Energy Technology Co ltd
Priority date: 2022-09-06
Filing date: 2022-09-06
Publication date: 2023-01-31
Anticipated expiration: 2032-09-06

Abstract

The utility model relates to a lithium battery size constant pressure measuring jig, which comprises a bottom plate which is obliquely arranged and a low force measuring digital display caliper which is arranged on the bottom plate; the pressure dial gauge at the end part of the low force measurement digital display caliper is fixedly arranged at one corner of the bottom plate; a fixed end stop block is movably arranged on a pretension clamping foot of the low force-measuring digital display caliper, and a movable end stop block is movably arranged on a vernier clamping foot. The utility model discloses battery measurement tool convenient to use, can carry out the rapid survey to the size of battery, judge and filter, and measure the size that the tool measured out with this battery, be at same pressure, the numerical value that same placing means reachs, the effectual unstable factor of having avoided leading to because of measuring gimmick and measuring pressure difference, the problem of using steel ruler or ordinary vernier digital display slide caliper rule inconvenient operation has been avoided, guarantee the uniformity of product quality when improving work efficiency, has good economic benefits, be suitable for in the conventionality, small-size lithium ion battery's management and control process.

Description

Lithium cell size level pressure measurement tool

Technical Field

The utility model relates to a lithium cell measurement field especially relates to a lithium cell size level pressure measurement tool.

Background

The soft package lithium ion battery is very important for controlling the size of the battery in the production and processing process. The length, the width, the thickness and the like of the battery are generally measured by using a vernier digital caliper, and because the soft-package lithium battery is soft, the measurement technique and the measurement pressure of the vernier digital caliper are different for each person, the detected size is unstable, so that unqualified products flow out or the qualified products are misjudged, customer complaints are increased or the efficiency is reduced, and the development of enterprises is influenced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to solve the above-mentioned problem of prior art, the utility model provides a lithium cell size level pressure measuring tool can realize fast that battery length, width size are not only stable but also accurate measuring device.

(II) technical scheme

In order to achieve the above object, the utility model discloses a main technical scheme include:

a lithium battery size constant pressure measuring jig comprises a base plate which is obliquely arranged and a low force measuring digital display caliper which is arranged on the base plate; the pressure dial gauge at the end part of the low force measurement digital display caliper is fixedly arranged at one corner of the bottom plate; a fixed end stop block is movably arranged on a pretension clamping foot of the low force-measuring digital display caliper, and a movable end stop block is movably arranged on a vernier clamping foot.

Furthermore, one end of the bottom plate is obliquely arranged behind the connecting vertical plate.

Furthermore, the upper surface of the bottom plate is provided with an insulated battery placing plate for placing a battery to be tested.

Furthermore, the main scale of the low force measuring digital display caliper is parallel to the long edge of the bottom plate.

Furthermore, the pressure scale is fixedly arranged on the bottom plate through a fixing block.

Furthermore, the middle part of the fixed block is provided with a containing groove for containing the pressure dial gauge, and the corner part is provided with a yielding groove for the fixed end stop block to extend out.

Further, the fixed block is fixedly arranged on the bottom plate through screws; and a transparent end cover is arranged at the top of the fixed block.

Furthermore, EVA foam is arranged at the bottom of the transparent end cover; the EVA bubble cotton center is equipped with the fretwork portion that is used for observing the pressure scale.

Furthermore, the cross section of the fixed end stop block is concave, and a plurality of threaded holes used for adjusting the fixed positions of the fixed end stop block and the pretension clamping pins are formed in the two opposite side faces.

Furthermore, the cross section of the movable end stop block is in a concave shape, and a plurality of threaded holes for adjusting the fixing positions of the movable end stop block and the vernier caliper are formed in the two opposite side faces.

(III) advantageous effects

The utility model has the advantages that: this tool is measured to battery convenient to use, can carry out the rapid survey to the size of battery, judge and filter, and measure the size that the tool was measured out with this battery, be at same pressure, the numerical value that same placing means reachs, the effectual unstable factor of leading to because of measuring gimmick and measuring pressure difference of having avoided using steel rule or ordinary vernier digital display caliper operation inconvenient problem, guarantee the uniformity of product quality when improving work efficiency, has good economic benefits, be suitable for in the conventionality, small-size lithium ion battery's management and control process.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a schematic view of the fixing block structure of the present invention;

FIG. 3 is a schematic view of the structure of the low force-measuring digital caliper of the present invention;

FIG. 4 is a schematic view of the end cap structure of the present invention;

FIG. 5 is a schematic view of the stopper of the present invention;

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

In the first embodiment, please refer to fig. 1-5:

the utility model provides a lithium cell size level pressure measuring tool, as figure 1, includes: riser 1, riser 1 is certain contained angle with bottom plate 2 and links to each other, make bottom plate 2 form certain slope, the contained angle of bottom plate 2 and horizontal plane is 15-45 degrees, make placing of awaiting measuring battery keep unanimous through certain contained angle, utilize the partial gravity of battery self to make its laminating in gauge claw department simultaneously, the measurement that excessive pressurization caused is used to avoid when measuring inaccurate, the battery is placed board 3 and is fixed on bottom plate 2, the battery is placed board 3 and is adopted red bakelite material or other insulating material, can prevent the short circuit of laminate lithium cell. A pressure dial gauge 53 at the end part of the low force-measuring digital display caliper 5 is fixedly arranged at one corner of the bottom plate 2; a fixed block 4 is arranged at the upper left corner of the bottom plate 2, a pressure scale 53 is arranged on the fixed block 4, an accommodating groove 41 for accommodating the pressure scale 53 is arranged in the middle of the fixed block 4, a abdicating groove 42 for extending a fixed end stop dog 7 is arranged at the corner, and the fixed block 4 is fixedly arranged on the bottom plate 2 through screws; the top of the fixed block 4 is provided with a transparent end cover 6; the bottom of the transparent end cover 6 is provided with EVA foam 61; the EVA foam 61 is provided with a hollow part 62 at the center for observing the pressure dial gauge 53; the end cover 6 is fixed on the fixed block 4, the pressure dial gauge 53 is pressed and fixed, a fixed end stop 7 is movably arranged on a pretension clamping foot 51 of the low force-measuring digital display caliper 5, and a movable end stop 8 is movably arranged on a vernier clamping foot 52; the main ruler of the low force measuring digital display caliper 5 is parallel to the long side of the bottom plate 2;

as shown in fig. 1, the battery placing plate 3 is made of red bakelite or other insulating materials to prevent short circuit of the soft package lithium battery.

As shown in fig. 2, a concave pit is processed in the middle of the fixed block 4, and notches are processed on the right side and the lower side so that the low force-measuring digital caliper 5 can be suspended and extend out.

As shown in fig. 3, the low digital measuring caliper 5 can be purchased directly from the market, and is different from the common digital measuring caliper in that a pretension clamping foot 51 is arranged beside a fixed clamping foot, a pressure scale 53 is arranged above the pretension clamping foot 51 to display the pressure applied by the vernier clamping foot 52 to the lithium battery, the scale surface of the low digital measuring caliper 5 is suspended above the battery placing plate 3 in parallel, a fixed end stop 7 is connected to the pretension clamping foot 51 of the low digital measuring caliper 5, the fixed end stop 7 can slide up and down along the pretension clamping foot 51, and a movable end stop 8 is connected to the vernier clamping foot 52 of the low digital measuring caliper 5. The movable end stop 8 can slide up and down along the cursor snap 52.

As shown in FIG. 4, the end cap 6 is a transparent acrylic plate, the surface of the end cap contacting with the low force measuring digital display caliper 5 is adhered with EVA foam 61, and the middle of the EVA foam 61 is hollowed. The pressure scale 53 of the low force measuring digital display caliper 5 can be observed conveniently.

If fig. 5, stiff end dog 7 and expansion end dog 8's cross-section are type I, and type I side is one row of screw hole, and the recess card of type I is on low dynamometry digital display slide caliper's card foot, can be according to soft packet of lithium cell's length and width along card foot sliding regulation, and stiff end dog 7 has the cuboid shelves strip of extension, stiff end dog 7 and expansion end dog 8's type I bottom surface and soft packet of lithium cell contact. And a plurality of threaded holes 91 for adjusting the fixing positions of the fixed end stop 7 and the pre-tension clamping pins 51 are arranged on two opposite side surfaces of the fixed end stop 7. And a plurality of threaded holes 91 for adjusting the fixing positions of the movable end stop 8 and the cursor clamping pin 52 are formed on the two opposite side surfaces of the movable end stop 8. Fix the dog through set up the screw in screw hole 91, the distance between dog and the card foot is adjusted to the position that sets up position and the dog of adjusting screw, realizes the regulation effect.

The measurement of a specific battery is explained as follows: as shown in fig. 1, the fixed end stopper 7 and the movable end stopper 8 are adjusted according to the length and width of the soft package lithium battery 9, the fixed end stopper 7 and the movable end stopper 8 are kept parallel, the movable end stopper 8 slidably connected to the low digital caliper 5 is in contact with the fixed end stopper 7, and when the pointer of the pressure scale on the low digital caliper 5 is at a zero position, the numerical value of the low digital caliper 5 is reset to zero. When measuring soft packet of lithium cell 9's height, need to await measuring soft packet of lithium cell 9 utmost point ear up, adjust expansion end dog 8 make soft packet of lithium cell 9's utmost point ear not with expansion end dog 8 interferes, will await measuring soft packet of lithium cell 9 and place on the board 3 is placed to the battery, soft packet of lithium cell 9's bottom side leans on stiff end dog 7, and the vernier caliper foot 52 that removes low dynamometry digital caliper 5 drives expansion end dog 8 and is close to soft packet of lithium cell 9 one side, when the directional zero bit of the pressure graduator 53 on low dynamometry digital caliper 5, just can read out soft packet of lithium cell 9's high size according to the vernier caliper foot 52 position of low dynamometry digital caliper 5.

When measuring soft packet of lithium cell 9's width or thickness, the utmost point ear of the soft packet of lithium cell 9 that will await measuring is placed outwards on the board 3 is placed to the battery, both the ground side of soft packet of lithium cell 9 leans on the scale of low dynamometry digital display slide caliper 5, removes the vernier caliper foot 52 of low dynamometry digital display slide caliper 5 and drives one side that expansion end dog 8 is close to soft packet of lithium cell 9, when the directional zero-bit of pressure scale table 53 on low dynamometry digital display slide caliper 5, just can read out soft packet of lithium cell 9's width or thickness dimension according to the vernier caliper foot 52 position of low dynamometry digital display caliper 5, and then judges whether qualified this soft packet of lithium cell length, width, thickness dimension.

The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.

Claims

1. The utility model provides a lithium cell size level pressure measurement tool which characterized in that: comprises a base plate (2) which is obliquely arranged and a low force measuring digital display caliper (5) which is arranged on the base plate; the pressure dial gauge (53) at the end part of the low force measurement digital display caliper (5) is fixedly arranged at one corner of the bottom plate (2); a fixed end stop block (7) is movably arranged on a pretension clamping foot (51) of the low force-measuring digital display caliper (5), and a movable end stop block (8) is movably arranged on a vernier clamping foot (52).

2. The lithium battery size constant-pressure measuring jig according to claim 1, characterized in that: one end of the bottom plate (2) is obliquely arranged after being connected with the vertical plate (1).

3. The lithium battery size constant-pressure measuring jig according to claim 1, characterized in that: and the upper surface of the bottom plate (2) is provided with an insulated battery placing plate (3) for placing a battery to be tested.

4. The lithium battery size constant-pressure measuring jig according to claim 1, characterized in that: the main ruler of the low force measuring digital display caliper (5) is parallel to the long edge of the bottom plate (2).

5. The lithium battery size constant-pressure measuring jig according to claim 1, characterized in that: the pressure dial gauge (53) is fixedly arranged on the bottom plate (2) through the fixing block (4).

6. The lithium battery size constant-pressure measuring jig according to claim 5, characterized in that: the middle part of the fixed block (4) is provided with a containing groove (41) for containing a pressure scale (53), and the corner part is provided with a yielding groove (42) for extending the fixed end stop block (7).

7. The lithium battery size constant-pressure measuring jig according to claim 6, characterized in that: the fixed block (4) is fixedly arranged on the bottom plate (2) through screws; and a transparent end cover (6) is arranged at the top of the fixing block (4).

8. The lithium battery size constant-pressure measuring jig according to claim 7, characterized in that: EVA foam (61) is arranged at the bottom of the transparent end cover (6); the EVA foam (61) is provided with a hollow part (62) at the center for observing a pressure dial gauge (53).

9. The lithium battery size constant-pressure measuring jig according to claim 1, characterized in that: the cross section of the fixed end stop block (7) is concave, and a plurality of threaded holes used for adjusting the fixing positions of the fixed end stop block and the pretension clamping pins (51) are formed in the two opposite side faces.

10. The lithium battery size constant-pressure measuring jig according to claim 1, characterized in that: the cross section of the movable end stop block (8) is concave, and a plurality of threaded holes for adjusting the fixing positions of the movable end stop block and the vernier caliper (52) are formed in the two opposite side faces.