CN115407218A - Lithium cell production is with testing arrangement who has safeguard function - Google Patents

Abstract

The invention discloses a test device with protective function for lithium battery production, which comprises a conveyor belt, a transparent protective cover and a first lifting mechanism. The front and rear sides are provided with brackets, the bracket is slidably connected to the support frame, the lower end of the support frame is provided with a first lifting mechanism, the lower end of the support frame is provided with a transparent protective cover, the transparent protective cover is provided with a second lifting mechanism, and the second lifting mechanism The right side is provided with a controller, and the corresponding lithium battery is provided with a detection mechanism on the second lifting mechanism. When the present invention is used, the lithium battery is placed in the placement seat, and the clamping mechanism is used in conjunction with the elastic potential energy of the spring in the clamping mechanism. Used in conjunction with the movable plate structure, it is convenient to clamp and fix lithium batteries of different sizes, and has strong applicability.

Description

A test device with protective function for lithium battery production

technical field

The invention relates to the technical field of lithium battery production, in particular to a test device with protection function for lithium battery production.

Background technique

Lithium battery is a battery that uses lithium metal or lithium alloy as the negative electrode material and uses non-aqueous electrolyte solution, so this battery is also called lithium metal battery. Unlike other batteries, lithium battery has high charging density, long life and high unit cost and other characteristics. According to different structural design and electrode materials, lithium batteries can generate voltages from 1.5V (equivalent to zinc-carbon or alkaline batteries) to 3.7V. It is worth noting that, according to different battery configurations, lithium batteries are divided into primary batteries and secondary battery. Early lithium batteries were primary batteries, but due to the very active chemical properties of metal lithium, its processing, storage, and use have very high environmental requirements. Therefore, lithium batteries have not been widely used after their invention. With the development of microelectronics technology at the end of the 20th century, miniaturized equipment is increasing day by day, which puts forward higher requirements for power supply. Lithium batteries have entered a large-scale practical stage. At present, the most common lithium battery structure for consumers is to use metallic lithium as the negative electrode, manganese dioxide as the positive electrode, and lithium salt dissolved in an organic solvent as the electrolyte.

As the scope of use of lithium batteries becomes larger and wider, the use safety testing of lithium batteries is also improved. However, the existing lithium battery testing operations are performed by personnel one by one or batch-by-batch random testing, which makes the testing quality and efficiency both Low, and there is no protective device when testing lithium batteries, and personnel are prone to safety hazards when testing lithium batteries. Therefore, the present invention provides a test device with protective function for lithium battery production to solve the above-mentioned problems.

Contents of the invention

The object of the present invention is to provide a test device with protective function for lithium battery production, so as to solve the problems raised in the above-mentioned background technology.

To achieve the above object, the present invention provides the following technical solutions:

A test device with protective function for lithium battery production, including a conveyor belt, a transparent protective cover and a first lifting mechanism, a number of placement seats are provided at the upper end of the conveyor belt, lithium batteries are arranged in the placement seats, and front and rear sides of the conveyor belt are provided with There is a bracket, the bracket is slidably connected to the support frame, the lower end of the support frame is provided with a first lifting mechanism, the lower end of the support frame is provided with a transparent protective cover, the transparent protective cover is provided with a second lifting mechanism, and the right side of the second lifting mechanism is provided with a controller, and the second lifting mechanism is equipped with a detection mechanism corresponding to the lithium battery, the detection mechanism is provided with two electrode heads, the second lifting mechanism is provided with a current detector, and the rear side of the current detector is provided with a voltage detector , the corresponding lithium battery in the placement seat is also provided with a clamping mechanism.

As a further solution of the present invention, the first lifting mechanism is composed of a connecting plate, a first motor, a rotating shaft, a first gear, a second gear, a rotating rod, a bearing, a support plate and a through groove, and the gap between the two brackets is Left-right symmetry is provided with connecting plate, and the left end of described connecting plate on the right side is provided with the first motor, and the left end of the first motor is provided with the rotating shaft, and the rotating shaft left end is provided with the first gear, is convenient to the fixing and installation of the first motor.

As a further solution of the present invention, the front and rear ends of the first gear mesh with the second gear, the second gear is provided with a rotating rod, and the left and right ends of the rotating rod are provided with bearings, and the ends of the two bearings that are far away from each other are connected to the The plate is fixedly connected to facilitate the installation and fixation of the rotating rod, and at the same time, the first gear is used to drive the second gear to rotate.

As a further solution of the present invention, a support plate is provided on the rotating rod, and one end of the two support plates away from each other penetrates the bracket, the upper end of the support plate is in contact with the support frame, and the support plate corresponding to the bracket is provided with a through groove, The support plate is slidably connected with the through groove, the first gear drives the second gear and the rotating rod to rotate, the rotating rod rotates to drive the support plate to rotate, and the rotation of the support plate can drive the support frame to move vertically up and down.

As a further solution of the present invention, the detection mechanism is composed of a third motor, a second threaded rod, a threaded sleeve, a connecting block and a second telescopic rod, and a third motor is symmetrically arranged on the second lifting mechanism. One end of the third motor close to each other is provided with a second threaded rod, the second threaded rod is threadedly connected with a threaded sleeve, and the other end of the threaded sleeve is provided with an electrode head, and the two electrode heads are divided into a positive electrode head and a negative electrode head , the threaded sleeve is left and right symmetrically provided with a connection block, the connection block is provided with a second telescopic rod, and the other end of the second telescopic rod is fixedly connected with the second lifting mechanism, so as to drive the two electrode heads close to each other or move away from each other , so that the distance between the two electrode heads can be adjusted according to the size of the lithium battery.

As a further solution of the present invention, the second lifting mechanism is composed of a second motor, a first threaded rod, a positioning frame, a first telescopic rod and a limit plate, and the upper end of the transparent protective cover is provided with a second motor. The lower end of the second motor is provided with a first threaded rod, the lower end of the first threaded rod runs through the transparent protective cover, and the lower end of the first threaded rod is provided with a limit plate, and the upper end of the first threaded rod is threaded with a positioning frame, and the upper end of the positioning frame is symmetrically arranged. The first telescopic rod, the upper end of the first telescopic rod is fixedly connected with the top of the transparent protective cover, which is convenient to drive the positioning frame to move vertically up and down. Rotation occurs due to the rotation of the rod.

As a further solution of the present invention, the clamping mechanism is composed of a splint, a movable plate, a slider, a slide bar, a fixed block, and a spring. The lithium battery is surrounded by a splint, and the other end of the splint is symmetrically connected to the movable plate. The other end of the movable plate is movably connected with the slider, and the other end of the slider fits with the inner wall of the placement seat, and the setting of the movable plate is convenient to drive the splint to move in the horizontal direction.

As a further solution of the present invention, the slider is provided with a slider, the slider runs through the slider, the slider and the slider are slidably connected, and the front and rear ends of the slider are provided with fixed blocks, and the fixed block is fixed to the inner wall of the placement seat. Connected, the slide bar is covered with a spring, and the two ends of the spring are fixedly connected with the two slide blocks respectively. Through the cooperation of the elastic potential energy of the spring, it is convenient to clamp and fix the lithium battery, and at the same time it is convenient for lithium batteries of different sizes. The battery is clamped and fixed, which has strong applicability.

As a further solution of the present invention, the left and right ends of the support frame are provided with limit blocks, and the bracket is provided with a limit groove corresponding to the limit block, and the limit block is slidably connected with the limit groove, so as to facilitate the limit of the support frame and ensure the support The frame moves vertically up and down on the support.

Compared with prior art, the beneficial effect of the present invention is:

1. When the present invention is used, the lithium battery is placed in the placement seat, and through the cooperation of the elastic potential energy of the spring in the clamping mechanism, the clamping mechanism is convenient for clamping and fixing the lithium battery to prevent the lithium battery from moving. The combined use of the elastic potential energy and the movable plate structure is convenient for clamping and fixing lithium batteries of different sizes, and has strong applicability.

2. When the present invention is used, the lithium battery is driven by the conveyor belt to move. When the lithium battery moves directly under the transparent protective cover, the conveyor belt stops moving, and then the first motor is started to drive the rotating shaft to rotate, and the rotating shaft drives the first gear to rotate. The first gear drives the second gear to rotate, the second gear drives the rotating rod to rotate, the rotating rod drives the support plate to rotate downward, and the support plate drives the support frame and the transparent protective cover to move downward, so that the transparent protective cover Covering the lithium battery to be tested, the setting of the transparent protective cover can provide protection when testing the lithium battery.

3. When the present invention is used, start the second motor, the second motor drives the first threaded rod to rotate, and the first threaded rod rotates to drive the positioning frame to move downward, so that the height of the detection mechanism can be adjusted according to the height of the lithium battery, which is flexible Strong.

4. When the present invention is used, start the third motor to drive the second threaded rod to rotate, cooperate with the second telescopic rod structure, the rotation of the second threaded rod drives the two threaded sleeves to move closer to each other, and the threaded sleeve drives the electrode head Moving closer to each other, the electrode heads are in contact with the positive and negative electrodes of the lithium battery respectively, and the current and voltage of the lithium battery are detected by the set current detector and voltage detector. The operation is simple and the detection efficiency is fast.

Description of drawings

Fig. 1 is a schematic structural view of a test device with protection function for lithium battery production.

Fig. 2 is a schematic structural view of the first lifting mechanism in a test device with protection function for lithium battery production.

Fig. 3 is a schematic cross-sectional structure diagram of a transparent protective cover in a test device with a protective function for lithium battery production.

Fig. 4 is a schematic diagram of an enlarged structure of a test device with a protective function for lithium battery production at point B in Fig. 3 .

Fig. 5 is a schematic cross-sectional structure diagram of a placement seat in a test device with protection function for lithium battery production.

Fig. 6 is a schematic diagram of the enlarged structure of A in Fig. 5 of a test device with protection function for lithium battery production.

In the figure: 1. Conveyor belt; 2. Placement seat; 3. Lithium battery; 4. Bracket; 5. Support frame; 501. Limit block; 502. Limit slot; ; 701, connecting plate; 702, first motor; 703, rotating shaft; 704, first gear; 705, second gear; 706, rotating rod; 707, bearing; 708, support plate; 709, through groove; Two lifting mechanisms; 801, the second motor; 802, the first threaded rod; 803, the positioning frame; 804, the first telescopic rod; 805, the limit plate; 9, the controller; 10, the clamping mechanism; 1001, the splint; 1002, movable plate; 1003, slide block; 1004, slide bar; 1005, fixed block; 1006, spring; 11, current detector; 12, voltage detector; 13, detection mechanism; 1301, the third motor; 1302, the first Two threaded rods; 1303, threaded sleeve; 1304, connection block; 1305, second telescopic rod; 14, electrode head.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Example 1

Please refer to Figures 1 to 4. In an embodiment of the present invention, a test device with a protective function for lithium battery production includes a conveyor belt 1, a transparent protective cover 6 and a first lifting mechanism 7. The upper end of the conveyor belt 1 is provided with several Seat 2, a lithium battery 3 is arranged in the placement seat 2, a support 4 is provided on the front and rear sides of the conveyor belt 1, and a support frame 5 is slidably connected to the support frame 4, and the lower end of the support frame 5 is provided with a first lifting mechanism 7, and the support frame The lower end of the 5 is provided with a transparent protective cover 6, the transparent protective cover 6 is provided with a second lifting mechanism 8, the right side of the second lifting mechanism 8 is provided with a controller 9, and the second lifting mechanism 8 is provided with a detection mechanism corresponding to the lithium battery 3 13. The detection mechanism 13 is provided with two electrode heads 14, the second lifting mechanism 8 is provided with a current detector 11, and the rear side of the current detector 11 is provided with a voltage detector 12;

The left and right ends of the support frame 5 are provided with a limit block 501, and the support 4 is provided with a limit groove 502 corresponding to the limit block 501, and the limit block 501 is slidably connected with the limit groove 502;

Described first lifting mechanism 7 is made up of connecting plate 701, first motor 702, rotating shaft 703, first gear 704, second gear 705, rotating rod 706, bearing 707, support plate 708 and through groove 709, two described A connection plate 701 is symmetrically arranged between the brackets 4, a first motor 702 is provided at the left end of the connection plate 701 on the right side, a rotating shaft 703 is provided at the left end of the first motor 702, and a first gear 704 is provided at the left end of the rotating shaft 703;

The front and rear ends of the first gear 704 mesh with the second gear 705, the second gear 705 is provided with a rotating rod 706, and the left and right ends of the rotating rod 706 are provided with bearings 707, and the ends of the two bearings 707 that are far away from each other are connected to the connecting plate. 701 fixed connection;

The rotating rod 706 is provided with a support plate 708, and one end of the two support plates 708 away from each other runs through the support 4, the upper end of the support plate 708 is in contact with the support frame 5, and the corresponding support plate 708 of the support 4 is provided with a through groove 709 , the support plate 708 is slidingly connected with the through groove 709;

The second lifting mechanism 8 is composed of a second motor 801, a first threaded rod 802, a positioning frame 803, a first telescopic rod 804 and a limit plate 805. The upper end of the transparent protective cover 6 is provided with a second motor 801. The lower end of the second motor 801 is provided with a first threaded rod 802, the lower end of the first threaded rod 802 runs through the transparent protective cover 6, and the lower end of the first threaded rod 802 is provided with a limit plate 805, and the upper end of the first threaded rod 802 is threaded to connect with the positioning frame 803 , the upper end of the positioning frame 803 is symmetrically provided with a first telescopic rod 804, and the upper end of the first telescopic rod 804 is fixedly connected to the top of the transparent protective cover 6;

The detection mechanism 13 is composed of a third motor 1301, a second threaded rod 1302, a threaded sleeve 1303, a connecting block 1304 and a second telescopic rod 1305, and the second lifting mechanism 8 is symmetrically provided with a third motor 1301 front and back, One end of the third motor 1301 close to each other is provided with a second threaded rod 1302, the threaded sleeve 1303 is threaded on the second threaded rod 1302, and the other end of the threaded sleeve 1303 is provided with an electrode head 14, and the two electrode heads 14 are divided into Positive electrode head and negative electrode head, the threaded sleeve 1303 is provided with a connection block 1304 symmetrically left and right, the connection block 1304 is provided with a second telescopic rod 1305, and the other end of the second telescopic rod 1305 is fixedly connected with the second lifting mechanism 8 .

Example 2

Please refer to Figures 5-6, in the embodiment of the present invention, the corresponding lithium battery 3 in the placement seat 2 is also provided with a clamping mechanism 10, and the clamping mechanism 10 is composed of a splint 1001, a movable plate 1002, a slider 1003, a slider Composed of a rod 1004, a fixed block 1005 and a spring 1006, the lithium battery 3 is surrounded by a splint 1001, the other end of the splint 1001 is symmetrically connected to the movable plate 1002, and the other end of the movable plate 1002 is movably connected to the slider 1003, and the slider 1003 is separately One end fits with the inner wall of the placement seat 2;

The slide bar 1003 is provided with a slide bar 1004, the slide bar 1004 runs through the slide block 1003, the slide block 1003 is slidably connected with the slide bar 1004, and the front and rear ends of the slide bar 1004 are provided with a fixed block 1005, and the fixed block 1005 is connected with the placement seat 2 The inner wall is fixedly connected, a spring 1006 is sheathed on the sliding rod 1004, and two ends of the spring 1006 are respectively fixedly connected with the two sliding blocks 1003.

The working principle of the present invention is:

When the present invention is used, the lithium battery 3 is placed in the placement seat 2, and the elastic potential energy of the spring 1006 in the clamping mechanism 10 is used in conjunction with the clamping mechanism 10 to facilitate the clamping and fixing of the lithium battery 3 to prevent the lithium battery 3 from moving , and at the same time through the elastic potential energy of the spring 1006 and the use of the movable plate 1002 structure, it is convenient to clamp and fix lithium batteries 3 of different sizes, and has strong applicability, and then drives the lithium battery 3 to move through the conveyor belt 1. When the lithium battery 3 moves When arriving directly below the transparent protective cover 6, the conveyor belt 1 stops moving, and then the first motor 702 is started to drive the rotating shaft 703 to rotate, and the rotating shaft 703 drives the first gear 704 to rotate, and the first gear 704 thus drives the second gear 705 to rotate. The second gear 705 thus drives the rotating rod 706 to rotate, and the rotating rod 706 thus drives the support plate 708 to rotate downward, and the support plate 708 thus drives the support frame 5 and the transparent protective cover 6 to move downward, so that the transparent protective cover 6 covers the The detected lithium battery 3, the setting of the transparent protective cover 6 can provide a protective effect when the lithium battery 3 is detected, and then start the second motor 801, and the second motor 801 drives the first threaded rod 802 to rotate, and the first threaded rod 802 The rotation drives the positioning frame 803 to move downward, so that the height of the detection mechanism 13 can be adjusted according to the height of the lithium battery 3, and the flexibility is strong. Then the third motor 1301 is started to drive the second threaded rod 1302 to rotate, and cooperate with the second telescopic rod 1302 to rotate. Rod 1305 structure, the rotation of the second threaded rod 1302 drives the two threaded sleeves 1303 to move closer to each other, and the threaded sleeve 1303 drives the electrode heads 14 to move closer to each other, and the electrode heads 14 are in contact with the positive and negative electrodes of the lithium battery 3 respectively. And the current and voltage of the lithium battery 3 are detected by the current detector 11 and the voltage detector 12 provided, the operation is simple, and the detection efficiency is fast.

The above is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, any person familiar with the technical field within the technical scope disclosed in the present invention, according to the technical solution of the present invention Any equivalent replacement or change of the inventive concepts thereof shall fall within the protection scope of the present invention.

Claims (9)

1. The utility model provides a lithium cell production is with testing arrangement that has safeguard function, includes conveyer belt (1), transparent safety cover (6) and first elevating system (7), its characterized in that, conveyer belt (1) upper end is equipped with a plurality of seats of placing (2), places and is equipped with lithium cell (3) in seat (2), both sides are equipped with support (4) around conveyer belt (1), sliding connection support frame (5) on support (4), and support (4) go up to correspond support frame (5) and be equipped with first elevating system (7), support frame (5) lower extreme is equipped with transparent safety cover (6), is equipped with second elevating system (8) on transparent safety cover (6), and second elevating system (8) right side is equipped with controller (9), and is equipped with detection mechanism (13) on second elevating system (8) corresponding lithium cell (3), is equipped with two electrode tips (14) on detection mechanism (13), be equipped with current detection appearance (11) on second elevating system (8), current detection appearance (11) rear side is equipped with voltage detection appearance (12), it still is equipped with fixture (10) to correspond lithium cell (3) in seat (2) to place.

2. The lithium battery production testing device with the protection function as claimed in claim 1, wherein the support frame (5) is provided with limiting blocks (501) at the left end and the right end, the limiting blocks (501) are slidably connected with the support (4), and the support (4) is provided with limiting grooves (502) corresponding to the limiting blocks (501).

3. The lithium battery production test device with the protection function according to claim 1, wherein the first lifting mechanism (7) is composed of a connecting plate (701), a first motor (702), a rotating shaft (703), a first gear (704), a second gear (705), a rotating rod (706), a bearing (707), a supporting plate (708) and a through groove (709), the connecting plates (701) are symmetrically arranged between the two supports (4) in the left-right direction, the first motor (702) is arranged at the left end of the connecting plate (701) on the right side, the rotating shaft (703) is arranged at the left end of the first motor (702), and the first gear (704) is arranged at the left end of the rotating shaft (703).

4. The lithium battery production test device with the protection function as claimed in claim 3, wherein the front end and the rear end of the first gear (704) are engaged with a second gear (705), a rotating rod (706) is arranged on the second gear (705), and the left end and the right end of the rotating rod (706) are fixedly connected with the connecting plate (701) through a bearing (707).

5. The lithium battery production test device with the protection function as claimed in claim 4, wherein a support plate (708) penetrating through the support (4) is arranged on the rotating rod (706), the upper end of the support plate (708) is in contact with the support frame (5), a through groove (709) is formed in the support (4) corresponding to the support plate (708), and the support plate (708) is in sliding connection with the through groove (709).

6. The testing device with the protection function for the lithium battery production according to claim 1, wherein the second lifting mechanism (8) is composed of a second motor (801), a first threaded rod (802), a positioning frame (803), a first telescopic rod (804) and a limiting plate (805), the second motor (801) is arranged at the upper end of the transparent protection cover (6), the first threaded rod (802) penetrating through the transparent protection cover (6) is arranged at the lower end of the second motor (801), the limiting plate (805) is arranged at the lower end of the first threaded rod (802), the positioning frame (803) is in threaded connection with the first threaded rod (802), and the first telescopic rods (804) fixedly connected with the top end of the transparent protection cover (6) are symmetrically arranged at the front and the back of the upper end of the positioning frame (803).

7. The lithium battery production test device with the protection function, according to claim 1, characterized in that the detection mechanism (13) is composed of a third motor (1301), a second threaded rod (1302), a threaded sleeve (1303), a connecting block (1304) and a second telescopic rod (1305), the third motor (1301) is symmetrically arranged on the second lifting mechanism (8) from front to back, the second threaded rod (1302) is arranged at one end of the third motor (1301) close to each other, the threaded sleeve (1303) is in threaded connection with the second threaded rod (1302), the other end of the threaded sleeve (1303) is provided with an electrode tip (14), the two electrode tips (14) are divided into a positive electrode tip and a negative electrode tip, the connecting block (1304) is symmetrically arranged on the threaded sleeve (1303) from left to right, and the second telescopic rod (1305) fixedly connected with the second lifting mechanism (8) is arranged on the connecting block (1304).

8. The testing device with the protection function for the lithium battery production according to claim 1, wherein the clamping mechanism (10) comprises a clamping plate (1001), a movable plate (1002), a sliding block (1003), a sliding rod (1004), a fixed block (1005) and a spring (1006), the clamping plate (1001) is attached to the periphery of the lithium battery (3), the movable plate (1002) is movably connected to the other end of the clamping plate (1001) in a central symmetry manner, and the sliding block (1003) attached to the inner wall of the placing seat (2) is movably connected to the other end of the movable plate (1002).

9. The testing device with the protection function for the lithium battery production as claimed in claim 8, wherein a sliding rod (1004) is arranged on the sliding block (1003), the sliding rod (1004) penetrates through the sliding block (1003), the sliding block (1003) is slidably connected with the sliding rod (1004), fixing blocks (1005) fixedly connected with the inner wall of the placing seat (2) are arranged at the front end and the rear end of the sliding rod (1004), a spring (1006) is sleeved on the sliding rod (1004), and two ends of the spring (1006) are respectively and fixedly connected with the two sliding blocks (1003).

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