CN202255335U - Lithium battery thickness measuring device - Google Patents

Abstract

The utility model relates to the technical field of lithium battery production equipment, in particular to a lithium battery thickness measuring device. The bottom is provided with a lower plate for placing lithium batteries, the upper plate and the lower plate are parallel to each other, the front end of the upper plate is provided with a distance measuring sensor for measuring the distance between the upper plate and the lower plate, and the lower end of the lower plate is connected with an upper push plate. There is a lower push plate under the upper push plate, a spring is connected between the upper push plate and the lower push plate, a push rod is set under the lower push plate, and a servo motor is connected to the push rod; Position mechanism, the front end of the thickness measuring gantry is equipped with a blanking station mechanism; the utility model can effectively avoid damage to the body of the lithium battery, ensure high test accuracy and product quality, and the structure is reasonable, the volume is small, and the space occupied Small size is convenient for equipment placement and operation.

Description

Lithium battery thickness measuring device

Technical field:

The utility model relates to the technical field of lithium battery production equipment, in particular to a lithium battery thickness measuring device.

Background technique:

Soft pack lithium battery is the third generation of power lithium battery developed on the basis of the original steel case, aluminum case and plastic case battery. It is lighter, thinner, long cycle life, good safety performance, high energy density, and discharge It has the advantages of stable platform, excellent power performance, environmental protection and no pollution, and is widely used in electric bicycles, electric motorcycles, electric vehicles, electric tools, electric toys, solar photovoltaic power generation systems, wind power generation systems, mobile communication base stations, large server backup UPS Power supply, emergency lighting, portable mobile power supply and mine safety equipment and other fields.

In the production process of soft-pack lithium batteries, it is necessary to measure the thickness of the lithium battery body, and then sort according to the measurement results to select qualified or unqualified products. In the existing lithium battery thickness measuring device, during the testing process, the power device drives the upper pressing plate to move downward, so that the upper pressing plate presses the lithium battery body placed on the lower pressing plate, and then the test is performed. The body of the battery causes damage, which not only affects the test accuracy, but also affects the product quality. In addition, due to the unreasonable structural layout, the lithium battery thickness measurement device is relatively large in size and occupies a large vertical space, which is not conducive to equipment placement. and operation.

Utility model content:

The purpose of this utility model is to provide a lithium battery thickness measuring device for the deficiencies of the prior art, which can effectively avoid damage to the lithium battery body, ensure high test accuracy and product quality, and have a reasonable structure and small volume. It takes up less space, which is conducive to equipment placement and operation.

In order to achieve the above object, the utility model adopts the following technical solutions:

Lithium battery thickness measuring device, which includes a frame and a control system, and it also includes a sliding table mechanism; the frame is equipped with a thickness measuring gantry, the thickness measuring gantry is provided with a load cell, and the load cell is provided with an upper plate, A lower plate for placing lithium batteries is provided directly below the upper plate, the upper plate and the lower plate are parallel to each other, and the front end of the upper plate is provided with a distance measuring sensor for measuring the distance between the upper plate and the lower plate. An upper push plate is connected to the lower end of the lower plate, a lower push plate is arranged under the upper push plate, a spring is connected between the upper push plate and the lower push plate, a push rod is arranged under the lower push plate, and a servo motor is connected to the push rod; The rear end of the thickness measuring gantry is provided with a feeding station mechanism, and the front end of the thickness measuring gantry is provided with a blanking station mechanism; In the position mechanism, the sliding table mechanism includes a sliding table, a guide rail plate, a driving motor and a screw rod, the guide rail plate and the driving motor are fixedly installed on the frame, the sliding table is rail-connected to the guide rail plate, and the driving motor is driven and connected to the The sliding table, the lower plate is arranged on the upper end of the sliding table; the control system is electrically connected to the load cell, the distance measuring sensor, the servo motor and the driving motor.

A limit switch is arranged on the side of the guide rail plate.

The feeding station mechanism includes a feeding base plate, a feeding gantry, a feeding guide plate and a feeding cylinder; the feeding guide plate and the feeding cylinder are fixedly installed on the frame, and the feeding gantry is rail-connected As for the feeding guide plate, the feeding bottom plate is arranged at the bottom of the feeding gantry, and the feeding cylinder is driven to connect with the feeding bottom plate.

The feeding guide plate is provided with a feeding buffer device, the feeding gantry is provided with a feeding buffer plate, and the feeding buffer device is located below the feeding buffer plate.

The feeding station mechanism is provided with a feeding manipulator.

The blanking station mechanism includes a blanking base plate, a blanking gantry, a blanking guide plate and a blanking cylinder; the blanking guide plate and the blanking cylinder are fixedly installed on the frame, and the blanking gantry is rail-connected On the blanking guide plate, the blanking bottom plate is arranged at the bottom of the blanking gantry, and the blanking cylinder is driven to connect with the blanking bottom plate.

The blanking guide plate is provided with a blanking buffer device, the blanking gantry is provided with a blanking buffer plate, and the blanking buffer device is located below the blanking buffer plate.

The blanking station mechanism is provided with a blanking manipulator.

Each of the load cell, upper plate, lower plate, distance measuring sensor, upper push plate, lower push plate, spring, ejector rod and servo motor forms a group of thickness measurement stations, and there are two groups of thickness measurement stations , two sets of thickness measuring stations are arranged side by side, two lower flat plates are arranged side by side at the front end of the sliding table, and two lower flat plates are arranged side by side at the rear end of the sliding table.

The loading gantry and the unloading gantry are respectively provided with two material holes.

The beneficial effects of the utility model are:

The lithium battery thickness measuring device described in the utility model adopts the method of placing the servo motor and the ejector pin down, so as to realize the purpose of pressing the upper plate from the bottom to the top by the lower plate to compress the lithium battery body. It has a reasonable structure layout, The volume is small, and the space occupied is small, which is conducive to the advantages of equipment placement and operation; in addition, there is a spring between the upper push plate and the lower push plate. When the servo motor drives the push rod to push the push plate up and down, the lower push plate The push plate transmits thrust to the upper push plate through the buffering effect of the spring, and then the upper push plate drives the lower plate to move from bottom to top, so that the pressure on the lower plate and the upper plate to press the lithium battery body can slowly and gradually meet the requirements. It can effectively avoid damage to the body of the lithium battery and ensure high test accuracy and product quality.

Description of drawings:

Fig. 1 is a structural representation of the utility model;

Fig. 2 is the front view of the utility model;

Fig. 3 is the right view of the utility model;

Fig. 4 is a top view of the utility model.

Detailed ways:

Below in conjunction with accompanying drawing, the utility model is further described:

As shown in Figures 1 to 4, the lithium battery thickness measuring device described in the present invention has a structure as follows: it includes a frame 1, a control system and a slide mechanism; the frame 1 is equipped with a thickness measuring gantry 5, The thickness-measuring gantry 5 is provided with a load cell 6, and the load cell 6 is provided with an upper plate 7, and directly below the upper plate 7 is provided with a lower plate 9 for placing a lithium battery, and the upper plate 7 and the lower plate 9 are parallel to each other , the front end of the upper plate 7 is provided with a distance measuring sensor 8 for measuring the distance between the upper plate 7 and the lower plate 9, the lower end surface of the lower plate 9 is connected with an upper push plate 17, and a lower push plate 17 is arranged below the upper plate 17. A push plate 15, a spring 16 is connected between the upper push plate 17 and the lower push plate 15, a push rod 14 is arranged below the lower push plate 15, and a servo motor 12 is connected to the push rod 14; the rear end of the thickness measuring gantry 5 is arranged There is a material loading station mechanism 3, and the front end of the thickness measuring gantry 5 is provided with a material unloading station mechanism 2; Inside, the sliding table mechanism includes a sliding table 10, a guide rail plate 11, a drive motor 4 and a screw rod 18, the guide rail plate 11 and the drive motor 4 are fixedly installed on the frame 1, the slide table 10 is rail-connected to the guide rail plate 11, and the drive motor 4 The sliding table 10 is driven and connected by a screw rod 18, and the lower plate 9 is arranged on the upper end of the sliding table 10; the control system is electrically connected to the load cell 6, the distance measuring sensor 8, the servo motor 12 and the driving motor 4. Further, a limit switch 19 is provided on the side of the guide rail plate 11, which is used to precisely control the moving position of the slide table 10, so that the loading, thickness measuring, and unloading stations are accurate, ensuring the smooth development and comparison of the measurement process. High measurement accuracy.

As a preferred embodiment, the feeding station mechanism 3 includes a feeding base plate 35, a feeding gantry 30, a feeding guide plate 32 and a feeding cylinder 34; the feeding guide plate 32 and the feeding cylinder 34 are fixedly installed on The frame 1, the feeding gantry 30 is rail-connected to the feeding guide plate 32, the feeding bottom plate 35 is arranged on the bottom of the feeding gantry 30, and the feeding cylinder 34 is driven to connect the upper Material bottom plate 35. During work, the feeding cylinder 34 moves, so that the feeding bottom plate 35 drives the feeding gantry 30 to move up and down along the feeding guide plate 32; Lower flat plate 9, after loading the material, loading gantry 30 moves upwards, facilitates lower flat plate 9 to move forward with slide table 10. Further, the feeding guide plate 32 is provided with a feeding buffer device 33, and the feeding gantry 30 is provided with a feeding buffer board 31, and the feeding buffer device 33 is located below the feeding buffer board 31. When the gantry 30 moves down, the loading buffer device 33 contacts the loading buffer plate 31, which can effectively play a buffering role and avoid damaging the lithium battery body and the equipment itself during loading. Further, the feeding station mechanism 3 is provided with a feeding manipulator. When feeding, the feeding manipulator automatically completes the feeding process of incoming materials, which can greatly improve the degree of automation. Further, the feeding gantry 30 is provided with two material holes 50, the body of the lithium battery passes through the material holes 50, and is placed on the lower plate 9 by the material loading manipulator, and the two material holes 50 correspond to two groups of work stations , it is convenient for two groups of stations to test the thickness of the lithium battery body at the same time, thereby greatly improving production efficiency.

As a preferred embodiment, the blanking station mechanism 2 includes a blanking bottom plate 25, a blanking gantry 20, a blanking guide plate 22 and a blanking cylinder 24; the blanking guide plate 22 and the blanking cylinder 24 are fixedly installed on The frame 1, the blanking gantry 20 are rail-connected to the blanking guide plate 22, the blanking bottom plate 25 is arranged on the bottom of the blanking gantry 20, and the blanking cylinder 24 is driven to connect the bottom Material bottom plate 25. During work, the blanking cylinder 24 moves, so that the blanking bottom plate 25 drives the blanking gantry 20 to move up and down along the blanking guide plate 22; Flat plate 9 is taken out, and after material is lowered, blanking gantry 20 moves upwards, and flat plate 9 moves backward with slide table 10 conveniently. Further, the blanking guide plate 22 is provided with a blanking buffer device 23, the blanking gantry 20 is provided with a blanking buffer plate 21, the blanking buffer device 23 is located below the blanking buffer plate 21, and When the frame 20 moves down, the blanking buffer device 23 is in contact with the blanking buffer plate 21, which can somewhat play a buffering role, so as to avoid damaging the lithium battery body and the equipment itself during blanking. The blanking station mechanism 2 is provided with a blanking manipulator. When blanking, the blanking manipulator automatically completes the blanking process of incoming materials, which can greatly improve the degree of automation. Further, the blanking gantry 20 is respectively provided with two material holes 50, the body of the lithium battery passes through the material holes 50, and is placed on the lower plate 9 by the material blanking manipulator, and the two material holes 50 correspond to two groups of workers. It is convenient for two groups of stations to test the thickness of the lithium battery body at the same time, thereby greatly improving production efficiency.

As a preferred embodiment, each of the load cell 6, the upper plate 7, the lower plate 9, the distance measuring sensor 8, the upper push plate 17, the lower push plate 15, the spring 16, the ejector rod 14 and the servo motor 12 form a There are two groups of thickness measuring stations, there are two groups of thickness measuring stations arranged side by side, a total of two groups of stations, wherein, the rear end of the slide table 10 is arranged side by side with two lower plates 9, and the slide table 10 The front end of the slide table 10 is provided with two lower plates 9 side by side, and four lithium battery bodies can be placed in total; during work, two groups of thickness measuring stations measure the thickness of the two lithium battery bodies on the two lower plates 9 at the front end of the slide table 10. Carry out the test, while the feeding station mechanism 3 can put the lithium battery body on the two lower plates 9 at the rear end of the slide table 10; after the measurement is completed, the slide table 10 moves forward, so that the two groups of thickness measuring stations can The thickness of the two lithium battery bodies on the two lower plates 9 at the rear end of the slide table 10 is tested. At the same time, the unloading station mechanism 2 can take out the upper lithium battery bodies placed on the two lower plates 9 at the front end of the slide table 10. Such an uninterrupted, double-station multi-workpiece working mode can greatly improve work efficiency.

The working principle of the lithium battery thickness measuring device described in the utility model is: when working, the equipment is in the initial position, and under the control of the control system, the feeding manipulator automatically places the material through the material hole 50 of the feeding gantry 30 On the flat plate 9, then the feeding cylinder 34 drives the feeding gantry 30 to move upward, at the same time, the driving motor 4 drives the sliding table 10 to move forward through the screw rod 18, and the driving sliding table 10 drives the lower flat plate 9 to move to the right below the upper flat plate 7 , at this time, the servo motor 12 drives the push rod 14 to move upward, and the push rod 14 lifts the lower push plate 15 upward, so that the lower push plate 15 pushes the upper push plate 17 through the compression force of the spring 16, thereby pushing the lower plate 9 toward Move up, and finally the body of the lithium battery is pressed between the lower plate 9 and the upper plate 7. At the same time, the load cell 6 measures the pressure value between the lower plate 9 and the upper plate 7, and the pressure value between the lower plate 9 and the upper plate 7 is When the pressure value reaches the set value, the load cell 6 feeds back the signal to the control system, controls the servo motor 12 to stop, and the distance measuring sensor 8 measures the distance between the upper plate 7 and the lower plate 9 at this time, that is, the body of the lithium battery Then the value is fed back to the control system and displayed. The control system analyzes the value to determine whether the thickness of the lithium battery body meets the requirements. If it meets the requirements, it is a qualified product, and if it does not meet the requirements, it is unqualified. Products, and then the body of the lithium battery is automatically sorted out from the unloading station mechanism 2 by the unloading manipulator, and enters the next process.

The above is only a preferred embodiment of the utility model, so all equivalent changes or modifications made according to the structure, features and principles described in the utility model patent application scope are all included in the utility model patent application scope .

Claims (10)

1. Lithium battery thickness measuring device, it comprises frame (1) and control system, is characterized in that: it also comprises slide mechanism; Described frame (1) is equipped with thickness measuring gantry (5), and thickness measuring gantry The frame (5) is provided with a load cell (6), and the load cell (6) is provided with an upper plate (7), and a lower plate (9) for placing a lithium battery is provided directly below the upper plate (7). The upper plate (7) and the lower plate (9) are parallel to each other, and the front end of the upper plate (7) is provided with a distance measuring sensor (8) for measuring the distance between the upper plate (7) and the lower plate (9). An upper push plate (17) is connected to the lower end surface of the lower plate (9), and a lower push plate (15) is arranged below the upper push plate (17), and a push plate (15) is connected between the upper push plate (17) and the lower push plate (15). A spring (16), a push rod (14) is arranged under the lower push plate (15), and a servo motor (12) is connected to the push rod (14); the rear end of the thickness measuring gantry (5) is provided with a feeding station mechanism (3), the front end of the thickness measuring gantry (5) is provided with a blanking station mechanism (2); In the material station mechanism (2), the sliding table mechanism includes a sliding table (10), a guide rail plate (11), a drive motor (4) and a screw rod (18), and the guide rail plate (11) and the drive motor (4) are fixedly installed On the frame (1), the slide table (10) is rail-connected to the guide rail plate (11), the drive motor (4) drives and connects the slide table (10) through a screw rod (18), and the lower plate (9 ) is arranged on the upper end of the slide table (10); the control system is electrically connected to the load cell (6), distance measuring sensor (8), servo motor (12) and drive motor (4). 2. The lithium battery thickness measuring device according to claim 1, characterized in that: a limit switch (19) is arranged on the side of the guide rail plate (11). 3. The lithium battery thickness measuring device according to claim 1, characterized in that: the feeding station mechanism (3) includes a feeding bottom plate (35), a feeding gantry (30), a feeding guide plate (32 ) and feeding cylinder (34); the feeding guide plate (32) and feeding cylinder (34) are fixedly mounted on the frame (1), and the feeding gantry (30) is rail-connected to the upper The material guide plate (32), the described material feeding bottom plate (35) is arranged on the bottom of the material feeding gantry (30), and the described material feeding cylinder (34) drives and connects the described material feeding bottom plate (35). 4. The lithium battery thickness measuring device according to claim 3, characterized in that: the feeding guide plate (32) is provided with a feeding buffer device (33), and the feeding gantry (30) is provided with a feeding A buffer plate (31), the feeding buffer device (33) is located below the feeding buffer plate (31). 5. The lithium battery thickness measuring device according to claim 4, characterized in that: the feeding station mechanism (3) is provided with a feeding manipulator. 6. The lithium battery thickness measuring device according to claim 5, characterized in that: the blanking station mechanism (2) includes a blanking bottom plate (25), a blanking gantry (20), a blanking guide plate (22 ) and the blanking cylinder (24); the blanking guide plate (22) and the blanking cylinder (24) are fixedly installed on the frame (1), and the blanking gantry (20) is rail-connected to the lower Material guide plate (22), described blanking bottom plate (25) is arranged on the bottom of blanking gantry (20), and described blanking cylinder (24) drives and connects described blanking bottom plate (25). 7. The lithium battery thickness measuring device according to claim 6, characterized in that: the blanking guide plate (22) is provided with a blanking buffer device (23), and the blanking gantry (20) is provided with a blanking A buffer plate (21), the blanking buffer device (23) is located below the blanking buffer plate (21). 8. The lithium battery thickness measuring device according to claim 7, characterized in that: the unloading station mechanism (2) is provided with a unloading manipulator. 9. The lithium battery thickness measuring device according to claim 8, characterized in that: each load cell (6), upper plate (7), lower plate (9), distance measuring sensor (8), upper Push pedal (17), lower push pedal (15), spring (16), ejector rod (14) and servo motor (12) form one group of thickness measuring station, have two groups of described thickness measuring stations, two groups of measuring The thick stations are arranged side by side, two lower flat plates (9) are arranged side by side at the front end of the sliding table (10), and two lower flat plates (9) are arranged side by side at the rear end of the sliding table (10). 10. The lithium battery thickness measuring device according to claim 9, characterized in that: the loading gantry (30) and the unloading gantry (20) are respectively provided with two material holes (50).

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