Hot-pressing and short-circuit testing mechanism of six-layer hot-pressing testing machine

Abstract

The utility model provides a hot-pressing and short-circuit testing mechanism of a six-layer hot-pressing testing machine, which comprises a servo electric cylinder, an upper large plate and a bottom plate, the upper large plate is mounted at the bottom end of the servo electric cylinder, supporting columns are arranged at four corners of the bottom plate and the outer side wall, the top ends of the supporting columns are connected with the bottom end of the upper large plate, sliding rods are arranged at four corners of the top end of the bottom plate, and sliding blocks are mounted on the sliding rods in a sliding manner. A testing mechanism is mounted on the sliding block and comprises a hot pressing assembly, a battery cell sensor, a lower hot pressing plate, a heat insulation plate, a weighing sensor, an air cylinder, a connecting plate, an upper hot pressing plate and a temperature locking plate. According to the hot-pressing and short-circuit testing mechanism of the six-layer hot-pressing testing machine, when a hot-pressing test is carried out on a battery cell, heat loss can be prevented, the effect of saving energy to reduce the working cost of detection work is achieved, hot pressing can be carried out on more battery cells, the efficiency is improved, a battery cell short-circuit test can be carried out while hot-pressing detection is carried out, and the working efficiency is improved. Two tests can be completed in one detection device.

Description

Technical Field

[0001] The utility model relates to the technical field of battery core detection, and more specifically to a hot pressing and short circuit testing mechanism of a 6-layer hot pressing testing machine. Background Art

[0002] During the hot pressure and short circuit tests, pressure needs to be applied to the battery cells. The battery cells are heated by the pressing blocks during the pressure process, and then the battery cells are powered on through the positive and negative electrodes to check whether there is a short circuit. The traditional testing method usually performs the two tests separately, first performing a pressure test and then performing a short circuit test after the pressure test is completed. There are devices in the prior art that can perform pressure tests and short circuit tests at the same time, but the testing efficiency of existing hot pressure testing machines and short circuit testing mechanisms is still low, and there is a lack of thermal insulation devices, which can easily cause heat loss during hot pressure testing, resulting in increased energy loss and increased working costs for testing work. Utility Model Content

[0003] The utility model aims to solve the technical problems raised by the above-mentioned background technology, and provides a 6-layer hot pressing test machine hot pressing and short circuit testing mechanism, which can improve the detection efficiency and reduce the working cost of the testing work.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a 6-layer hot press testing machine hot press and short circuit testing mechanism, including: a servo electric cylinder, an upper large plate and a bottom plate, the upper large plate is installed at the bottom end of the servo electric cylinder, support columns are arranged at the four corners of the bottom plate and the outer wall, the top of the support column is connected to the bottom end of the upper large plate, sliding rods are arranged at the four corners of the top end of the bottom plate, sliding blocks are slidably installed on the sliding rods, and a testing mechanism is installed on the sliding blocks.

[0005] A further preferred embodiment: the testing mechanism includes: a hot pressing assembly, a battery cell sensor, a lower hot pressing plate, an insulation plate, a weighing sensor, a cylinder, a connecting plate, an upper hot pressing plate and a temperature locking plate, wherein the insulation plate is installed at the top center of the hot pressing assembly, the lower hot pressing plate is installed at the top of the insulation plate at the top, the battery cell sensor is arranged at the top of the hot pressing assembly, the weighing sensor is arranged at the bottom center of the hot pressing assembly, the bottom of the weighing sensor is also provided with an insulation plate, the upper hot pressing plate is arranged at the bottom of the bottom insulation plate, the temperature locking plate is arranged on the outer walls of the upper hot pressing plate and the lower hot pressing plate, and the connecting plate is arranged on both sides of the bottom center of the hot pressing assembly.

[0006] A further preferred solution is that the battery cell sensor is installed on the top of the hot pressing assembly through the connecting pieces arranged in a "Z" shape on the left and right sides, and the battery cell sensor is located above the lower hot pressing plate.

[0007] A further preferred solution is that the connecting plate is arranged in an "L" shape, the top end of the connecting plate is connected to the bottom end of the hot pressing assembly, and the left and right side walls are connected to the sliding block.

[0008] A further preferred solution: the sliding block includes: a mounting plate and a clamping block, wherein one side of the mounting plate is connected to the connecting plate, and the other side is connected to the clamping block, the clamping blocks are arranged on the left and right sides of the center of one side of the mounting plate, and the distance between the clamping blocks matches the width of the sliding rod.

[0009] A further preferred solution: the test mechanism is provided with 6 layers from top to bottom, the top of the hot pressing assembly in the test mechanism at the top is connected to the servo electric cylinder through a push rod, and an insulation board and a battery cell sensor are provided at the top center of the bottom plate, a lower hot pressing plate is provided on the top of the insulation board, and a temperature locking plate is installed on the outer side wall of the lower hot pressing plate.

[0010] A further preferred solution is that the output force of the cylinders in the six-layer testing mechanism increases from the upper layer to the lower layer.

[0011] Beneficial effects:

[0012] 1. By arranging a heat insulation board and a temperature lock board in the testing mechanism, it can play a role of heat insulation when performing hot pressure test on the battery cell, prevent heat loss, save energy and reduce the cost of testing work;

[0013] 2. This device has 6 layers of detection mechanisms, which can provide more cells for hot pressing, improve efficiency, and meet the production requirements of the equipment. While performing hot pressing testing, it can also perform cell short circuit testing, and two tests can be completed in one testing device;

[0014] 3. In summary, the hot pressing and short-circuit testing mechanism of this 6-layer hot pressing testing machine, by providing a multi-layer detection mechanism and a heat insulation plate and a temperature locking plate in the detection mechanism, can play a role of heat insulation when performing hot pressing tests on battery cells, prevent heat loss, save energy and reduce costs, and can provide more battery cells for hot pressing, greatly improving efficiency and meeting the production requirements of the equipment. While performing hot pressing tests, battery cell short-circuit tests can also be performed, and two tests can be completed in one detection device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0016] Figure 2 This is a schematic diagram of the test mechanism structure of the utility model.

[0017] Figure 3 It is a bottom view structural diagram of the testing mechanism of the utility model.

[0018] Figure 4 For the utility model Figure 3 Enlarged structural diagram at A in the middle.

[0019] Figure 5 This is a schematic diagram of the sliding block structure of the utility model.

[0020] Figure 1-5 In: 1. Servo electric cylinder; 2. Upper large plate; 3. Support column; 4. Bottom plate; 6. Test mechanism; 601. Hot pressing assembly; 602. Battery sensor; 603. Lower hot pressing plate; 604. Heat insulation plate; 605. Weighing sensor; 606. Cylinder; 607. Connecting plate; 608. Upper hot pressing plate; 609. Temperature locking plate; 7. Sliding rod; 8. Sliding block; 801. Mounting plate; 802. Clamp block. DETAILED DESCRIPTION

[0021] The following will be combined with the attached embodiment of the utility model Figure 1-Figure 5 , clearly and completely describe the technical solutions in the embodiments of the utility model.

[0022] See also Figure 1-5 In the embodiment of the utility model, a 6-layer hot pressing test machine hot pressing and short circuit testing mechanism includes: a servo electric cylinder 1, an upper large plate 2 and a bottom plate 4, the upper large plate 2 is installed at the bottom end of the servo electric cylinder 1, and support columns 3 are arranged at the 4 corners of the bottom plate 4 and the outer side wall, and the top of the support column 3 is connected to the bottom end of the upper large plate 2, and sliding rods 7 are arranged at the four corners of the top end of the bottom plate 4, and sliding blocks 8 are slidably installed on the sliding rods 7, and the sliding blocks 8 are installed on the testing mechanism 6.

[0023] In the embodiment of the utility model, the testing mechanism 6 includes: a hot pressing assembly 601, a battery cell sensor 602, a lower hot pressing plate 603, a heat insulation plate 604, a weighing sensor 605, a cylinder 606, a connecting plate 607, an upper hot pressing plate 608 and a temperature locking plate 609, wherein the heat insulation plate 604 is installed at the top center of the hot pressing assembly 601, the lower hot pressing plate 603 is installed at the top of the heat insulation plate 604, the battery cell sensor 602 is set at the top of the hot pressing assembly 601, and the weighing sensor 605 is set at the top of the hot pressing assembly 601. The sensor 605 is arranged at the bottom center of the hot pressing assembly 601, and an insulation plate 604 is also arranged at the bottom of the weighing sensor 605. The upper hot pressing plate 608 is arranged at the bottom of the bottom insulation plate 604, and the temperature locking plate 609 is arranged on the outer walls of the upper hot pressing plate 608 and the lower hot pressing plate 603. The connecting plate 607 is arranged on both sides of the bottom center of the hot pressing assembly 601. The insulation plate 604 and the temperature locking plate 609 can play a role of insulation to prevent heat loss during the hot pressing detection process.

[0024] In the embodiment of the utility model, the battery cell sensor 602 is installed on the top of the hot pressing assembly 601 through the "Z"-shaped connecting parts on the left and right sides, and the battery cell sensor 602 is located above the lower hot pressing plate 603. When the battery cell is transported to the detection mechanism 6 by the transportation mechanism, the battery cell sensor 602 can sense the battery cell. After the battery cell is connected to the electrode head, the detection mechanism is started to detect the battery cell.

[0025] In the embodiment of the utility model, the connecting plate 607 is arranged in an "L" shape, the top of the connecting plate 607 is connected to the bottom of the hot pressing assembly 601, and the left and right side walls are connected to the sliding block 8, so that the detection mechanism 6 can slide up and down on the sliding rod 7 to complete the detection of the battery cell.

[0026] In an embodiment of the utility model, the sliding block 8 includes: a mounting plate 801 and a clamping block 802, wherein one side of the mounting plate 801 is connected to the connecting plate 607, and the other side is connected to the clamping block 802, the clamping blocks 802 are arranged on the left and right sides of the center of one side of the mounting plate 801, and the distance between the clamping blocks 802 matches the width of the sliding rod 7.

[0027] In the embodiment of the utility model, the test mechanism 6 is provided with 6 layers from top to bottom, and the top of the hot pressing component 601 in the test mechanism 6 at the top is connected to the servo electric cylinder 1 through a push rod, and a heat insulation plate 604 and a battery cell sensor 602 are provided at the top center of the bottom plate 4, a lower hot pressing plate 603 is provided on the top of the heat insulation plate 604, and a temperature locking plate 609 is installed on the outer wall of the lower hot pressing plate 603. The setting of the 6-layer test mechanism can provide more battery cells for hot pressing, improve efficiency, and meet the production requirements of the equipment.

[0028] In the embodiment of the utility model, the cylinder output force of the cylinder 606 in the 6-layer testing mechanism 6 increases from the upper layer to the lower layer to meet the working requirements during the actual testing process and prevent the situation where the testing mechanism 6 cannot be quickly retreated during the working process.

[0029] Working principle: When performing hot pressure test and short circuit test on battery cells, when the battery cells are transported to the detection mechanism 6 by the transport mechanism, the servo electric cylinder 1 will push the top detection mechanism 6 down through the push rod, and the upper hot pressure plate 608 and the lower hot pressure plate 603 can perform hot pressure test on the battery cells. The battery cell sensor 602 can sense the battery cells. After the battery cells are connected to the electrode heads, the detection mechanism is started to perform a short circuit test on the battery cells. After the test is completed, the cylinder 606 is started to make the detection mechanism 6 retreat.

Claims

1. A 6-layer hot pressing test machine hot pressing and short circuit testing mechanism, comprising: A servo electric cylinder (1), an upper plate (2) and a bottom plate (4), characterized in that: the upper plate (2) is installed at the bottom end of the servo electric cylinder (1), the bottom plate (4) and the four corners of the outer wall are provided with support columns (3), the top end of the support column (3) is connected to the bottom end of the upper plate (2), the top four corners of the bottom plate (4) are provided with sliding rods (7), the sliding rods (7) are slidably installed with sliding blocks (8), and the sliding blocks (8) are installed with a testing mechanism (6).

2. A 6-layer hot pressing and short circuit testing mechanism according to claim 1, characterized in that: The testing mechanism (6) comprises: a hot pressing assembly (601), a battery cell sensor (602), a lower hot pressing plate (603), a heat insulating plate (604), a weighing sensor (605), a cylinder (606), a connecting plate (607), an upper hot pressing plate (608) and a temperature locking plate (609), wherein the heat insulating plate (604) is installed at the top center of the hot pressing assembly (601), the lower hot pressing plate (603) is installed at the top of the heat insulating plate (604), and the battery cell sensor (605) is installed at the top of the hot pressing assembly (601). 02) is arranged at the top of the hot pressing assembly (601), the weighing sensor (605) is arranged at the bottom center of the hot pressing assembly (601), and the bottom of the weighing sensor (605) is also provided with an insulation board (604), the upper hot pressing plate (608) is arranged at the bottom of the bottom insulation board (604), the temperature locking plate (609) is arranged on the outer wall of the upper hot pressing plate (608) and the lower hot pressing plate (603), and the connecting plate (607) is arranged on both sides of the bottom center of the hot pressing assembly (601).

3. A 6-layer hot pressing and short circuit testing mechanism of hot pressing testing machine according to claim 2, characterized in that: The battery cell sensor (602) is installed on the top of the hot pressing assembly (601) through the connecting pieces arranged in a "Z" shape on the left and right sides, and the battery cell sensor (602) is located above the lower hot pressing plate (603).

4. The 6-layer hot pressing and short circuit testing mechanism of the hot pressing testing machine according to claim 2, characterized in that: The connecting plate (607) is arranged in an "L" shape, the top end of the connecting plate (607) is connected to the bottom end of the hot pressing assembly (601), and the left and right side walls are connected to the sliding block (8).

5. The six-layer hot pressing and short circuit testing mechanism of the hot pressing testing machine according to claim 1, characterized in that: The sliding block (8) comprises: a mounting plate (801) and a clamping block (802), wherein one side of the mounting plate (801) is connected to the connecting plate (607), and the other side is connected to the clamping block (802), the clamping blocks (802) are arranged on the left and right sides of the center of one side of the mounting plate (801), and the distance between the clamping blocks (802) matches the width of the sliding rod (7).

6. The six-layer hot pressing and short circuit testing mechanism of the hot pressing testing machine according to claim 1, characterized in that: The test mechanism (6) is provided with 6 layers from top to bottom, the top of the hot pressing component (601) in the test mechanism (6) at the top is connected to the servo electric cylinder (1) through a push rod, and a heat insulation board (604) and a battery cell sensor (602) are provided at the top center of the bottom plate (4), a lower hot pressing board (603) is provided at the top of the heat insulation board (604), and a temperature locking board (609) is installed on the outer side wall of the lower hot pressing board (603).

7. A 6-layer hot pressing and short circuit testing mechanism of hot pressing testing machine according to claim 6, characterized in that: The cylinder output force of the cylinder (606) in the six-layer testing mechanism (6) increases from the upper layer to the lower layer.

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