CN216354369U

CN216354369U - Improved part of all-system cap test fixture

Info

Publication number: CN216354369U
Application number: CN202122827975.XU
Authority: CN
Inventors: 范虎斌
Original assignee: Jingmen Zhonggong Machinery Co ltd
Current assignee: Jingmen Zhonggong Machinery Co ltd
Priority date: 2021-11-17
Filing date: 2021-11-17
Publication date: 2022-04-19
Anticipated expiration: 2031-11-17

Abstract

The utility model relates to an improved part of a full-system cap testing clamp, which comprises a base, wherein a plurality of groups of positioning assemblies and a plurality of groups of clamping assemblies are arranged on the base, each positioning assembly comprises an arc-shaped positioning groove and a positioning hole, the central axis of each arc-shaped positioning groove is vertically intersected with the central axis of each positioning hole, each arc-shaped positioning groove is suitable for positioning a lithium battery, each positioning hole is suitable for positioning a battery cap, a conductive belt extends outside each lithium battery, and each clamping assembly is suitable for pressing the conductive belt at the center of the battery cap. The improved part of the full-system cap test fixture is simple in operation and convenient for rapid positioning and welding.

Description

Improved part of all-system cap test fixture

Technical Field

The utility model relates to the technical field of lithium battery cap packaging, in particular to an improvement part of a full-system cap testing clamp.

Background

A lithium battery is a type of battery using a nonaqueous electrolyte solution, using lithium metal or a lithium alloy as a positive/negative electrode material. Lithium metal batteries were first proposed and studied by Gilbert n.lewis in 1912. In the 70 s of the 20 th century, m.s.whitetingham proposed and began to study lithium ion batteries. Because the chemical characteristics of lithium metal are very active, the requirements on the environment for processing, storing and using the lithium metal are very high. With the development of scientific technology, lithium batteries have become the mainstream.

Most of the existing pressure welding devices for lithium battery caps place lithium batteries at fixed positions and then carry out pressure welding, and the lithium batteries are taken away after the pressure welding is finished. Need correspond the position between them when placing lithium cell and block, appear the dislocation phenomenon when avoiding the pressure welding. In addition, after the welding device is placed, a certain pressure needs to be applied to enable the welding position to be tightly attached, so that the welding firmness is guaranteed.

Therefore, there is a need for an improved clamp for a full-range cap testing device to solve the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides an improved part of a full-system cap test fixture aiming at the technical problems in the prior art.

The technical scheme for solving the technical problems is as follows: a whole-system cap test fixture improvement part comprises a base, wherein a plurality of groups of positioning assemblies and a plurality of groups of clamping assemblies are arranged on the base, each positioning assembly comprises an arc-shaped positioning groove and a positioning hole, the central axis of each arc-shaped positioning groove is perpendicular to the central axis of each positioning hole, each arc-shaped positioning groove is suitable for positioning a lithium battery, each positioning hole is suitable for positioning a battery cap, conductive strips extend out of the lithium battery, and each clamping assembly is suitable for pressing the conductive strips to the center of the battery cap.

Preferably, the above-mentioned all-system cap test fixture improvement part, wherein the holder mounting plate is installed on the upper side of the base, and a plurality of groups of the holding assemblies are all installed on the holder mounting plate.

Preferably, the improvement part of the full-system cap test fixture comprises a clamping assembly and a clamping device, wherein the clamping assembly comprises a first pressing plate and a second pressing plate, the first pressing plate is fixedly connected with the second pressing plate, a first cylindrical hole penetrates through the side surface of the second pressing plate, a second cylindrical hole penetrates through the side surface of the clamping member mounting plate, a plurality of rectangular grooves are formed in the clamping member mounting plate, the second pressing plate is embedded in the rectangular grooves, the second cylindrical hole is communicated with the first cylindrical hole, and a pin shaft is inserted into the second cylindrical hole and the first cylindrical hole.

Preferably, the improved fully-capped test fixture comprises a spring mounting hole formed in the upper side of the clamping member mounting plate, a spring is embedded in the spring mounting hole, and the upper end of the spring abuts against the bottom surface of the second pressure plate.

Preferably, the fully capped cap test fixture improvement part is characterized in that a plurality of magnets are embedded in the side surface of the base and are suitable for being quickly positioned and fixed on a machine table of a laser welding machine.

Preferably, the above-mentioned improved piece of the full-range cap test fixture, wherein two conductive blocks are embedded in the side surface of the base.

Preferably, the improved fully-capped cap testing fixture further comprises two conductive plates embedded in the upper side of the base, and the conductive plates are perpendicular to the central axis of the arc-shaped positioning groove.

Preferably, the above-mentioned all-round cap test fixture improvement part, wherein the conductive column is embedded inside the positioning hole.

The utility model has the beneficial effects that: through set up multiunit locating component on the base, multiunit centre gripping subassembly, fix a position the lithium cell through the arc constant head tank in the locating component, fix a position the battery block through the locating hole in the locating component, because the axis of arc constant head tank is crossing perpendicularly with the axis of locating hole, can easily place the center department at the battery block with the conduction band tip after realizing separately fixing a position, realize accurate counterpoint, compress tightly the center department at the battery block through the centre gripping subassembly after the location is accomplished, and through the current conducting plate, lead electrical pillar, the conducting block realizes the circular telegram welding. The improved part of the full-system cap test fixture is simple in operation and convenient for rapid positioning and welding.

Drawings

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

FIG. 2 is a side view of the base and clamp mounting plate;

FIG. 3 is a front view of the base;

FIG. 4 is a perspective view of the clamping assembly;

fig. 5 is a top view of the clamping assembly.

In the drawings, the components represented by the respective reference numerals are listed below:

1. the base, 2, holder mounting panel, 3, lithium cell, 4, current conducting plate, 5, conductive band, 6, first clamp plate, 7, second clamp plate, 8, first cylinder hole, 9, second cylinder hole, 10, magnet, 11, conducting block, 12, battery block, 13, locating hole, 14, bolt, 15, rectangular channel, 16, arc constant head tank, 17, lead electrical pillar.

Detailed Description

The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the utility model.

As shown in fig. 1, fig. 2, fig. 3, fig. 4, and fig. 5, the improved part of the full-system cap testing fixture comprises a base 1, wherein a plurality of groups of positioning assemblies and a plurality of groups of clamping assemblies are arranged on the base 1, a clamping member mounting plate 2 is installed on the upper side of the base 1, and the plurality of groups of clamping assemblies are all installed on the clamping member mounting plate 2.

The positioning component comprises an arc-shaped positioning groove 16 and a positioning hole 13, and the central axis of the arc-shaped positioning groove 16 is vertically intersected with the central axis of the positioning hole 13. Arc constant head tank 16 is suitable for location lithium cell 3, and lithium cell 3 is cylindricly, and lithium cell 3's cross section diameter ratio is slightly littleer than the cross section diameter of arc constant head tank 16. The battery cap 12 is circular, the positioning hole 13 is used for positioning the battery cap 12, and the diameter of the positioning hole 13 is slightly larger than that of the battery cap 12. The conductive belt 5 extends outside the lithium battery 3, the end of the conductive belt 5 needs to be welded with the central contact of the battery cap 12 before the battery cap 12 is welded, and the end of the conductive belt 5 needs to be placed in the center of the upper side of the battery cap 12 and can be welded after being aligned. Because lithium cell 3 is cylindrical, rely on self action of gravity after putting into arc constant head tank 16, its focus can fall naturally, and arc constant head tank 16's axis intersects perpendicularly with the axis of locating hole 13, but realize battery cap 12 and lithium cell 3 after the location accurate counterpoint, only need when placing lithium cell 3 with conduction band 5 upside place can, place the center department at battery cap 12 with conduction band 5 tip, compress tightly conduction band 5 in the center department of battery cap 12 through the centre gripping subassembly.

As shown in fig. 4 and 5, the clamping assembly includes a first pressing plate 6 and a second pressing plate 7, the first pressing plate 6 is fixedly connected with the second pressing plate 7 through two bolts 14, a first cylindrical hole 8 penetrates through the side surface of the second pressing plate 7, and a second cylindrical hole 9 penetrates through the side surface of the clamping member mounting plate 2. A plurality of rectangular grooves 15 are arranged on the clamping piece mounting plate 2 at equal intervals, the middle portion of the second pressing plate 7 and the first cylindrical hole 8 are embedded in the rectangular grooves 15, the second cylindrical hole 9 is aligned with and communicated with the first cylindrical hole 8, a pin shaft is inserted into the second cylindrical hole 9 and the first cylindrical hole 8, and the second cylindrical hole and the first cylindrical hole are hinged through the pin shaft, so that the clamping assembly can rotate around the pin shaft.

The upside of holder mounting panel 2 is provided with the spring mounting hole, and the inside embedding in spring mounting hole has the spring, the upper end of spring and the bottom surface butt of second clamp plate 7. The second pressing plate 7 is pressed down by a hand before the battery cap 12 and the conductive band 5 are placed, the spring shrinks at the moment, the tail end of the first pressing plate 6 tilts, the battery cap 12 is placed into the positioning hole 13, the conductive band 5 is placed at the center of the upper side of the battery cap 12, the spring rebounds after the hand is loosened, the second pressing plate 7 is jacked up, so that the tail end of the first pressing plate 6 is pressed down, and the conductive band 5 is pressed on the upper side of the battery cap 12.

The side embedding of base 1 has a plurality of magnets 10 for quick location relies on magnetic attraction to fix to the board of laser-beam welding machine. Base 1's side embedding has two conducting blocks 11, and base 1's upside embedding has two current conducting plates 4, and current conducting plate 4 is used for switching on with lithium cell 3's shell, current conducting plate 4 and arc positioning groove 16's axis mutually perpendicular. The conductive posts 17 are embedded in the positioning holes 13, after the battery cap 12 is placed in the positioning holes 13, the conductive posts 17 are located on the lower side of the battery cap 12, and the conductive posts 17 are used for being conducted with the battery cap 12. One of the conductive bumps 11 is electrically connected to the conductive plate 4, and the other conductive bump 11 is electrically connected to the conductive pillar 17. The two conductive blocks 11 are externally used for being connected with the positive electrode and the negative electrode of an external power supply, so that two paths are formed, and the paths are formed during welding, so that the conductive belt 5 is welded at the center of the battery cap 12.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", 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 invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention. Furthermore, "first" and "second" 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. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the utility model. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.

Claims

1. It improves piece to be all to block test fixture, its characterized in that: including base (1), be provided with multiunit locating component, multiunit centre gripping subassembly on base (1), locating component includes arc positioning groove (16), locating hole (13), the axis of arc positioning groove (16) with the axis of locating hole (13) is crossing perpendicularly, arc positioning groove (16) are suitable for location lithium cell (3), locating hole (13) are suitable for location battery cap (12), the outside extension of lithium cell (3) has conductive band (5), the centre gripping subassembly be suitable for with conductive band (5) are pressed the center department of battery cap (12).

2. The system cap test fixture enhancement of claim 1, wherein: holder mounting panel (2) are installed to the upside of base (1), and the multiunit the centre gripping subassembly is all installed on holder mounting panel (2).

3. The system cap test fixture enhancement of claim 2, wherein: the clamping assembly comprises a first pressing plate (6) and a second pressing plate (7), the first pressing plate (6) is fixedly connected with the second pressing plate (7), a first cylindrical hole (8) penetrates through the side face of the second pressing plate (7), a second cylindrical hole (9) penetrates through the side face of the clamping piece mounting plate (2), a plurality of rectangular grooves (15) are formed in the clamping piece mounting plate (2), the second pressing plate (7) is embedded into the rectangular grooves (15), the second cylindrical hole (9) is communicated with the first cylindrical hole (8), and a pin shaft is inserted into the second cylindrical hole (9) and the first cylindrical hole (8).

4. The system cap test fixture enhancement of claim 3, wherein: the upside of holder mounting panel (2) is provided with the spring mounting hole, the inside embedding in spring mounting hole has the spring, the upper end of spring with the bottom surface butt of second clamp plate (7).

5. The system cap test fixture enhancement of claim 1, wherein: the side of base (1) is embedded with a plurality of magnet (10), is suitable for quick location and fixes to the board of laser-beam welding machine.

6. The system cap test fixture enhancement of claim 1, wherein: two conductive blocks (11) are embedded in the side surface of the base (1).

7. The system cap test fixture enhancement of claim 6, wherein: the upside of base (1) is embedded with two current conducting plates (4), current conducting plate (4) with the axis mutually perpendicular of arc constant head tank (16).

8. The system cap test fixture enhancement of claim 6, wherein: and a conductive column (17) is embedded in the positioning hole (13).