CN219625190U - Integrated device for testing extrusion, needling and drawing force of battery cell - Google Patents

Abstract

The utility model proposes an integrated device for cell extrusion, acupuncture, and pull-out force testing, including a base plate, a mobile platform, an acupuncture head, an extrusion head, and mechanical claws; the base plate and the mobile platform are arranged in parallel and relatively It can be close to or away from the bottom plate, and the acupuncture head, extrusion head, and mechanical claws can all be disassembled and installed on the side of the mobile platform close to the bottom plate. The utility model can satisfy the integration of extrusion test, acupuncture test and pull-out force test of a single battery, greatly reduces equipment cost and meets test requirements.

Description

An integrated device for cell extrusion, acupuncture, and pull-out force testing

technical field

The utility model relates to the technical field of electric core testing, in particular to an integrated device for electric core extrusion, acupuncture and pulling force testing.

Background technique

With the popularization of new energy vehicles, the extrusion, acupuncture, and pull-out tests required by domestic and foreign standards are basic tests at the battery level to evaluate the safety performance of single batteries. Pull force is tested with specific equipment alone, and with the increase of the market, the test volume has also increased greatly, and a single equipment cannot meet the growing testing needs and is not economical and practical.

Utility model content

Based on the technical problems existing in the background technology, the utility model proposes an integrated device for cell extrusion, acupuncture and pulling force testing.

The utility model proposes an integrated device for cell extrusion, acupuncture, and pull-out force testing, including a base plate, a mobile platform, an acupuncture head, an extrusion head, and mechanical claws; the base plate and the mobile platform are arranged in parallel and relatively It can be close to or away from the bottom plate, and the acupuncture head, extrusion head, and mechanical claws can all be disassembled and installed on the side of the mobile platform close to the bottom plate.

Preferably, the side of the mobile platform close to the bottom plate is detachably mounted with a motherboard through bolts, and the acupuncture head, extrusion head, and mechanical claws can all be detachably mounted on the motherboard.

Preferably, the motherboard is provided with a threaded hole, the needle-punching head is provided with a first screw, and the first screw of the needle-punching head is threadedly connected with the threaded hole of the motherboard.

Preferably, the extrusion head is provided with a second screw, and the second screw of the extrusion head is threadedly connected with the threaded hole of the motherboard.

Preferably, the mechanical jaw includes two oppositely arranged jaws and an adjustment screw that runs through the two jaws, the adjustment screw is threadedly connected with the two jaws, and a third screw is provided on one of the jaws, and the third screw is connected to the female The threaded holes of the plate are threaded to fit the connection.

Preferably, it is characterized in that a sample fixing groove is provided on the side of the bottom plate close to the mobile platform, sample splints are arranged on both sides of the sample fixing groove, two sample splints are arranged in parallel, and a rotating shaft and a servo motor for driving the rotating shaft are arranged on the bottom plate , there are two threaded sections on the rotating shaft and the helical directions of the two threaded sections are opposite, and one end of the two sample splints is threadedly connected with the two threaded sections respectively; The other ends are all slidably matched with the slide bar.

Preferably, the two sample splints are provided with a mounting frame connected to the bottom plate on the side relatively far away from the base plate, and the two mounting frames are arranged in parallel and opposed to each other, and the two ends of the mobile platform are respectively slidably connected with the two mounting frames, and one of the mounting frames is installed on one of the mounting frames. The driving mechanism used to drive the mobile platform close to or away from the base plate.

Preferably, tension and pressure sensors are provided on the mobile platform, and displacement sensors are provided on one of the mounting brackets.

The utility model proposes an integrated device for cell extrusion, acupuncture, and pull-out force testing. The bottom plate and the mobile platform are arranged in parallel and oppositely, and the mobile platform can be close to or far away from the bottom plate. The acupuncture head, extrusion head, and mechanical claws are all It can be detachably installed on the side of the mobile platform close to the bottom plate to realize the integration of single battery extrusion test, acupuncture test and pull-out force test, which greatly reduces equipment costs and meets test requirements.

Description of drawings

Fig. 1 is a structural schematic diagram of an integrated device for cell extrusion, acupuncture, and pull-out force testing proposed by the utility model;

Fig. 2 is a structural schematic diagram of a mobile platform in an integrated device for cell extrusion, acupuncture, and pull-out force testing proposed by the present invention;

Fig. 3 is a structural schematic diagram of the acupuncture head in an integrated device for cell extrusion, acupuncture, and pulling force testing proposed by the utility model;

Fig. 4 is a structural schematic diagram of an extrusion head in an integrated device for cell extrusion, acupuncture, and pull-out force testing proposed by the present invention;

Fig. 5 is a structural schematic diagram of a mechanical claw in an integrated device for cell extrusion, acupuncture, and pull-out force testing proposed by the utility model.

Detailed ways

Referring to Fig. 1-Fig. 5, the utility model proposes an integrated device for cell extrusion, acupuncture, and pulling force testing, including a bottom plate 1, a mobile platform 2, an acupuncture head 3, an extrusion head 4 and a mechanical claw 5 ;in:

The bottom plate 1 is arranged parallel to the mobile platform 2 and the mobile platform 2 can be close to or away from the bottom plate 1. The acupuncture head 3, the extrusion head 4 and the mechanical claw 5 can be detachably installed on the side of the mobile platform 2 close to the bottom plate 1.

Specifically, the side of the mobile platform 2 close to the bottom plate 1 is detachably mounted with a motherboard 6 through bolts, and the motherboard 6 is provided with a threaded hole 6-1;

The acupuncture head 3 is provided with a first screw rod 3-1, and the first screw rod 3-1 of the acupuncture head 3 is threadedly connected with the threaded hole 6-1 of the motherboard 6;

The extrusion head 4 is provided with a second screw rod 4-1, and the second screw rod 4-1 of the extrusion head 4 is threadedly connected with the threaded hole 6-1 of the motherboard 6;

The mechanical jaw 5 includes two oppositely arranged jaws 5-1 and an adjusting screw 5-2 passing through the two jaws 5-1. The adjusting screw 5-2 is threadedly connected with the two jaws 5-1, and one of the jaws The claw 5-1 is provided with a third screw rod 5-3, and the third screw rod 5-3 is threadedly connected with the threaded hole 6-1 of the motherboard 6.

In a further embodiment, a sample fixing groove 1-1 is provided on the side of the bottom plate 1 close to the mobile platform 2, and sample splints 1-2 are arranged on both sides of the sample fixing groove 1-1, and the two sample splints 1-2 are arranged parallel to each other. , the bottom plate 1 is provided with a rotating shaft 1-3 and a servo motor driving the rotating shaft 1-3 to rotate, and the rotating shaft 1-3 is provided with two threaded sections and the helical directions of the two threaded sections are opposite, and one end of the two sample splints 1-2 They are threadedly connected with the two threaded segments respectively; a slide bar 1-4 parallel to the rotating shaft 1-3 is also fixed on the bottom plate 1, and the other ends of the two sample splints 1-2 are slidably fitted with the slide bar 1-4.

In a further embodiment, the two sample splints 1-2 are provided with a mounting frame 1-5 connected to the bottom plate 1 on the side relatively far away from each other, and the two mounting frames 1-5 are arranged in parallel and opposite to each other, and the two ends of the mobile platform 2 are respectively connected to the two The two mounting frames 1-5 are connected by sliding fit, and one of the mounting frames 1-5 is equipped with a driving mechanism for driving the mobile platform 2 to approach or move away from the base plate 1. The drive mechanism can adopt the hydraulic pressure and chain drive in the prior art, so I won't go into details here.

In a further embodiment, the mobile platform 2 is provided with a tension and pressure sensor 7, and one of the installation frames 1-5 is provided with a displacement sensor.

Working principle of the utility model:

Place the sample to be tested in the sample fixing groove 1-1 on the bottom plate 1, which can fix single batteries of different sizes, and then the servo motor drives the rotating shaft 1-3 to rotate, and the rotating shaft 1-3 drives the two sample splints 1-2 to approach each other Clamp the sample, and the sample fixation is completed at this time;

The extrusion head 4 is screwed on the motherboard 6 through the second screw rod 4-1, the moving platform 1 is driven down by the driving mechanism, the extrusion force of the extrusion head 4 is controlled by the pulling pressure sensor 7, and the displacement sensor controls the movement The extrusion displacement of the platform realizes the extrusion test purpose; then the extrusion head 4 is removed;

Screw the acupuncture head 3 onto the motherboard 6 through the first screw 3-1, drive the moving platform 2 down through the driving mechanism, control the acupuncture pressure of the acupuncture head 3 through the pull pressure sensor 7, and control the movement by the displacement sensor The displacement of the platform controls the acupuncture depth of the acupuncture head 3 to achieve the purpose of acupuncture testing; then remove the acupuncture head 3;

The mechanical claw 5 is screwed on the motherboard 6 through the third screw, and the mechanical claw 5 drives the two clamping claws 5-1 to move towards each other through the rotation of the adjusting screw 5-2 to clamp the sample, and drives the movement of the mobile platform 2 through the driving mechanism. Ascending, the tensile force of the mechanical claw is controlled by the pulling pressure sensor 7, and the displacement sensor controls the lifting height of the mobile platform 2, so as to realize the purpose of the pulling force test.

The utility model is an integrated device for testing the extrusion, acupuncture and pulling force of a single battery, which can meet the balance between cost and testing ability.

The above is only a preferred embodiment of the utility model, but the scope of protection of the utility model is not limited thereto. The equivalent replacement or change of the new technical solution and the concept of the utility model shall be covered by the protection scope of the utility model.

Claims (8)

1. The integrated device for testing the extrusion, needling and drawing force of the battery cell is characterized by comprising a bottom plate (1), a moving platform (2), a needling head (3), an extrusion head (4) and a mechanical claw (5); the base plate (1) and the moving platform (2) are oppositely arranged in parallel, the moving platform (2) can be close to or far away from the base plate (1), and the needling head (3), the extrusion head (4) and the mechanical claw (5) are detachably arranged on one side, close to the base plate (1), of the moving platform (2).

2. The integrated device for testing the extrusion, needling and drawing force of the battery cells according to claim 1, wherein a motherboard (6) is detachably mounted on one side of the movable platform (2) close to the bottom plate (1) through bolts, and the needling head (3), the extrusion head (4) and the mechanical claws (5) are detachably mounted on the motherboard (6).

3. The integrated device for extrusion, needling and drawing force testing of a battery cell according to claim 2, characterized in that a threaded hole (6-1) is formed in the motherboard (6), the needling head (3) is provided with a first screw (3-1), and the first screw (3-1) of the needling head (3) is in threaded fit connection with the threaded hole (6-1) of the motherboard (6).

4. A cell extrusion, needling, pullout force testing integrated apparatus as claimed in claim 3, characterized in that the extrusion head (4) is provided with a second screw (4-1), the second screw (4-1) of the extrusion head (4) being in threaded engagement with the threaded hole (6-1) of the motherboard (6).

5. A cell extrusion, needling, pullout force testing integrated device according to claim 3, characterized in that the mechanical gripper (5) comprises two oppositely arranged clamping jaws (5-1) and an adjusting screw (5-2) penetrating the two clamping jaws (5-1), the adjusting screw (5-2) is in threaded fit connection with the two clamping jaws (5-1), a third screw (5-3) is arranged on one clamping jaw (5-1), and the third screw (5-3) is in threaded fit connection with a threaded hole (6-1) of the motherboard (6).

6. The integrated device for testing the extrusion, needling and drawing force of the electric core according to any one of claims 1 to 3 is characterized in that a sample fixing groove (1-1) is formed in one side, close to a moving platform (2), of a bottom plate (1), sample clamping plates (1-2) are arranged on two sides of the sample fixing groove (1-1), the two sample clamping plates (1-2) are arranged in parallel and opposite to each other, a rotating shaft (1-3) and a servo motor for driving the rotating shaft (1-3) to rotate are arranged on the bottom plate (1), two threaded sections are arranged on the rotating shaft (1-3), the spiral directions of the two threaded sections are opposite, and one ends of the two sample clamping plates (1-2) are in threaded fit connection with the two threaded sections respectively; the bottom plate (1) is also fixed with a slide bar (1-4) parallel to the rotating shaft (1-3), and the other ends of the two sample clamping plates (1-2) are in sliding fit with the slide bar (1-4).

7. The integrated device for testing the extrusion, needling and drawing force of the battery cell according to claim 6, wherein the two sample clamping plates (1-2) are respectively provided with mounting frames (1-5) connected with the bottom plate (1) on the side which is far away from each other, the two mounting frames (1-5) are oppositely arranged in parallel, two ends of the mobile platform (2) are respectively connected with the two mounting frames (1-5) in a sliding fit manner, and a driving mechanism for driving the mobile platform (2) to be close to or far away from the bottom plate (1) is arranged on one of the mounting frames (1-5).

8. The integrated device for cell extrusion, needling and pullout force testing according to claim 7, characterized in that a pullout pressure sensor (7) is arranged on the mobile platform (2), and a displacement sensor is arranged on one of the mounting frames (1-5).