A multi-station battery vacuum and inflation machine

Abstract

The present invention discloses a multi-station battery vacuum pumping and inflation machine, which includes a conveying device, a battery carrier, a positioning device, a suction device and a waste liquid recovery component. The conveying device is provided with a battery carrier, and square batteries are inserted into the battery carrier at intervals. Positioning devices are provided on both sides of the conveying device, a suction device is provided above the battery carrier, and a waste liquid recovery component is also provided on the front side of the conveying device. Through the above method, the present invention has a compact structure, stable operation, can clamp and position square batteries, integrates vacuum pumping and nitrogen filling, can quickly pump out vacuum and fill with nitrogen, the elastic setting of the suction component ensures sealing, and can promptly recover the electrode liquid that was mistakenly pumped away.

Description

Technical Field

[0001] The present invention relates to the technical field of lithium battery production, and in particular to a multi-station vacuum pumping and inflating integrated machine for batteries. Background Art

[0002] During the production process of square lithium batteries, the square batteries are filled with electrode liquid. The cavities not filled with electrode liquid need to be vacuumed and filled with nitrogen, and then sealed with a rubber plug. Since there is electrolyte in the battery, it is very easy to suck up the electrolyte when vacuuming. After the vacuum extraction is completed, it needs to be filled with nitrogen. In order to ensure the amount of nitrogen in the square battery, vacuuming and nitrogen filling are required at least three times. The operation is complicated, the rhythm is slow, and switching back and forth is time-consuming and labor-intensive, which can easily damage the internal environment of the existing square battery. Based on the above defects and shortcomings, it is necessary to improve the existing technology and design a multi-station battery vacuuming and filling machine. Summary of the Invention

[0003] The main technical problem solved by the present invention is to provide a multi-station battery vacuum pumping and inflation machine with a compact structure, stable operation, the ability to clamp and position square batteries, integrating vacuum pumping and nitrogen inflation in one, capable of rapid vacuum pumping and nitrogen inflation, the elastic setting of the suction component ensures sealing, and the ability to promptly recover electrode liquid that is mistakenly extracted.

[0004] In order to solve the above technical problems, a technical solution adopted by the present invention is: to provide a multi-station battery vacuum pumping and inflation machine, which includes a conveying device, a battery carrier, a positioning device, a suction device and a waste liquid recovery component. The conveying device is equipped with a battery carrier, and square batteries are inserted at intervals in the battery carrier. Positioning devices are provided on both sides of the conveying device, a suction device is provided above the battery carrier, and a waste liquid recovery component is also provided on the front side of the conveying device.

[0005] Preferably, the suction device includes a suction bracket, a suction cylinder, a lifting frame, a guide rod, a sealing box and a suction assembly, the suction bracket is installed with the suction cylinder, the lifting frame is installed on the telescopic rod of the suction cylinder, two guide rods are installed on the lifting frame, the guide rods pass through the top plate of the suction bracket, a sealing box is installed at the bottom of the lifting frame, a suction assembly is installed in an array at the bottom of the sealing box, the sealing box is externally connected to a vacuum pump and nitrogen, and the vacuum pump and nitrogen are connected to the sealing box through a three-way pipe.

[0006] Preferably, the suction assembly includes a fixed seat, a suction nozzle, a slow-filling spring, a measuring cup storage tube and a sealing ring. The fixed seat is fixed to the bottom plate of the sealing box, a movable suction nozzle is inserted on the fixed seat, a slow-filling spring is mounted on the suction nozzle, a measuring cup storage tube communicating with the suction nozzle is installed in the sealing box above the suction nozzle, a sealing ring is mounted between the fixed seat and the suction nozzle, and the bottom of the suction nozzle is conical.

[0007] Preferably, the conveying device includes a roller conveyor, a guide partition, a fixed plate, a lifting cylinder, a lifting plate, a blocking cylinder, a blocking plate and a sensor, a guide partition is installed on the conveying bracket above the roller of the roller conveyor, a battery carrier is installed on the roller between adjacent guide partitions, a fixed plate is installed at the bottom of the roller conveyor, a lifting cylinder is installed on the fixed plate, a lifting plate is installed on the telescopic rod of the lifting cylinder, a blocking cylinder is installed at the output end of the roller conveyor, a blocking plate is installed on the telescopic rod of the blocking cylinder, and sensors are fixed on both sides of the guide partition.

[0008] Preferably, the positioning device includes a connecting plate, a finger cylinder, a connecting frame, a positioning plate, a fixed bracket, a push-pull cylinder, a push plate and a clamping plate. The two connecting plates are vertically arranged on the suction bracket of the suction device, the finger cylinder is installed on the connecting plate, the connecting frame is installed on the clamping arm relative to the finger cylinder, the positioning plate is installed on the connecting frame, fixed brackets are provided on the front and rear sides of the roller conveyor, two push-pull cylinders are installed on the vertical plate above the fixed bracket, the push plate is installed on the telescopic rod of the push-pull cylinder, the push plate and the fixed bracket are connected by a guide rod, the clamping plate is installed on the push plate, and battery grooves are provided on the opposite surfaces of the positioning plate and the clamping plate, and the battery grooves are used to clamp and position square batteries.

[0009] Preferably, the waste liquid recovery component includes a recovery cylinder and a recovery plate, the recovery cylinder is fixed to the upper end of the fixed bracket, and the recovery plate is installed on the telescopic rod of the recovery cylinder.

[0010] Compared with the prior art, the present invention has the following beneficial effects:

[0011] The transporter can transport the blocking battery carrier;

[0012] The battery grooves spaced apart on the opposite surfaces of the positioning plate and the clamping plate on the positioning device are used to clamp and position the square batteries;

[0013] The suction device can integrate vacuuming and nitrogen filling in one unit, and can quickly vacuum and fill nitrogen;

[0014] The elastic setting of the suction component ensures sealing;

[0015] The electrode liquid that is mistakenly pumped away can be recovered in time. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a structural diagram of a multi-station battery vacuum and inflation machine.

[0017] Figure 2 This is a schematic diagram of the suction device structure of a multi-station battery vacuum and inflation machine.

[0018] Figure 3This is a cross-sectional view of the suction component of a multi-station battery vacuum and inflation machine.

[0019] Figure 4 This is a first-person structural diagram of the conveying device of a multi-station battery vacuum and inflation machine.

[0020] Figure 5 This is a schematic structural diagram from the second perspective of a conveying device of a multi-station battery vacuum pumping and inflation machine.

[0021] Figure 6 This is a structural schematic diagram of the positioning device of a multi-station battery vacuum pumping and inflation machine. DETAILED DESCRIPTION

[0022] The preferred embodiments of the present invention are described in detail below with reference to the accompanying drawings so that the advantages and features of the invention can be more easily understood by those skilled in the art, thereby making a clearer and more precise definition of the protection scope of the present invention.

[0023] See also Figures 1 to 6 , embodiments of the present invention include:

[0024] A multi-station battery vacuum pumping and inflation machine includes a conveying device 1, a battery carrier 2, a positioning device 3, a suction device 4 and a waste liquid recovery component 5. The conveying device 1 is provided with a battery carrier 2, and square batteries are inserted at intervals in the battery carrier 2. Positioning devices 3 are provided on both sides of the conveying device 1, a suction device 4 is provided above the battery carrier 2, and a waste liquid recovery component 5 is also provided on the front side of the conveying device 1.

[0025] The suction device 4 includes a suction bracket 41, a suction cylinder 42, a lifting frame 43, a guide rod 44, a sealing box 45 and a suction assembly 46. The suction cylinder 42 is installed on the suction bracket 41, and the lifting frame 43 is installed on the telescopic rod of the suction cylinder 42. Two guide rods 44 are installed on the lifting frame 43. The guide rods 44 pass through the top plate of the suction bracket 41. A sealing box 45 is installed at the bottom of the lifting frame 43. A suction assembly 46 is installed in an array at the bottom of the sealing box 45. The sealing box 45 is externally connected to a vacuum pump and nitrogen, and the vacuum pump and nitrogen are connected to the sealing box 45 through a three-way pipe.

[0026] The suction assembly 46 includes a fixed seat 461, a suction nozzle 462, a slow-charging spring 463, a measuring cup storage tube 464 and a sealing ring 465. The fixed seat 461 is fixed to the bottom plate of the sealing box 45. A movable suction nozzle 462 is inserted into the fixed seat 461, and a slow-charging spring 463 is mounted on the suction nozzle 462. A measuring cup storage tube 464 communicating with the suction nozzle 462 is installed in the sealing box 45 above the suction nozzle 462. A sealing ring 465 is mounted between the fixed seat 461 and the suction nozzle 462. The bottom of the suction nozzle 462 is conical.

[0027] The conveying device 1 includes a roller conveyor 11, a guide baffle 12, a fixed plate 13, a lifting cylinder 14, a lifting plate 15, a blocking cylinder 16, a blocking plate 17 and a sensor 18. A guide baffle 12 is installed on the conveying bracket above the roller of the roller conveyor 11, and a battery carrier 2 is installed on the roller between adjacent guide baffles 12. A fixed plate 13 is installed at the bottom of the roller conveyor 11, a lifting cylinder 14 is installed on the fixed plate 13, and a lifting plate 15 is installed on the telescopic rod of the lifting cylinder 14. A blocking cylinder 16 is installed at the output end of the roller conveyor 11, and a blocking plate 17 is installed on the telescopic rod of the blocking cylinder 16. Sensors 18 are fixed on both sides of the guide baffle 12.

[0028] The positioning device 3 includes a connecting plate 31, a finger cylinder 32, a connecting frame 33, a positioning plate 34, a fixed bracket 35, a push-pull cylinder 36, a push plate 37 and a clamping plate 38. The two connecting plates 31 are vertically arranged on the suction bracket of the suction device 4. The finger cylinder 32 is installed on the connecting plate 31, and the connecting frame 33 is installed on the clamping arm relative to the finger cylinder 32. The positioning plate 34 is installed on the connecting frame 33. Fixed brackets 35 are provided on the front and rear sides of the roller conveyor 11. Two push-pull cylinders 36 are installed on the vertical plate above the fixed bracket 35. A push plate 37 is installed on the telescopic rod of the push-pull cylinder 36. The push plate 37 and the fixed bracket 35 are connected by a guide rod. A clamping plate 38 is installed on the push plate 37. Battery grooves are provided on the opposite surfaces of the positioning plate 34 and the clamping plate 38. The battery grooves are used to clamp and position square batteries.

[0029] The waste liquid recovery assembly 5 includes a recovery cylinder 51 and a recovery plate 52 . The recovery cylinder 51 is fixed to the upper end of the fixed bracket 35 , and the recovery plate 52 is installed on the telescopic rod of the recovery cylinder 51 .

[0030] When the multi-station battery vacuum pumping and inflating machine of the present invention is working, the battery carrier 2 with square batteries inserted is transported to the roller between the two guide partitions 12. When the battery carrier 2 moves to the bottom of the suction assembly 46, the telescopic rod of the lifting cylinder 14 extends to drive the lifting plate 15 to lift the battery carrier 2, and the blocking cylinder 16 drives the blocking plate 17 to rise to block the battery carrier 2. The finger cylinder 32 drives the positioning plate 34 to move toward the battery on the battery carrier 2, and the telescopic rod of the push-pull cylinder 36 extends to drive the clamping plate 38 to move backward. The battery grooves on the opposite sides of the positioning plate 34 and the clamping plate 38 clamp and position the square battery, and the telescopic rod of the suction cylinder 42 extends to drive the suction assembly 46 moves down, and the conical part at the bottom of the suction nozzle 462 moves down and is inserted into the rubber plug of the square battery. The vacuum pump works to extract the gas in the square battery. If electrolyte is adsorbed in the measuring cup storage tube 464, the suction component 46 moves up, and the telescopic rod of the recovery cylinder 51 extends to drive the recovery plate 52 forward. The electrolyte in the cup storage tube 464 falls into the recovery plate 52, and the suction nozzle 462 is reinserted into the rubber plug of the square battery. The three-way pipe switches to nitrogen, and nitrogen is filled into the square battery. Repeat the above steps until the nitrogen negative pressure in the square battery meets the requirements. After the nitrogen is filled, the suction component 46 moves up, and the telescopic rod of the recovery cylinder 51 extends to drive the recovery plate 52 forward.

[0031] The present invention discloses a multi-station battery vacuum pumping and inflation machine with a compact structure and stable operation. It can clamp and position square batteries, integrates vacuum pumping and nitrogen inflation, can quickly pump out vacuum and inflate nitrogen, and the elastic setting of the suction component ensures sealing, and can promptly recover electrode liquid that has been mistakenly pumped away.

[0032] The above descriptions are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention's description and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A multi-station battery vacuum pumping and inflating machine, characterized by: This multi-station battery vacuum pumping and inflation machine includes a conveying device, a battery carrier, a positioning device, a suction device and a waste liquid recovery component. The conveying device is equipped with a battery carrier, and square batteries are inserted into the battery carrier at intervals. Positioning devices are provided on both sides of the conveying device, a suction device is provided above the battery carrier, and a waste liquid recovery component is also provided on the front side of the conveying device. The suction device includes a suction bracket, a suction cylinder, a lifting frame, a guide rod, a sealing box and a suction assembly. The suction bracket is mounted on the suction cylinder, the lifting frame is mounted on the telescopic rod of the suction cylinder, two guide rods are mounted on the lifting frame, the guide rods pass through the top plate of the suction bracket, a sealing box is mounted at the bottom of the lifting frame, a suction assembly is mounted in an array at the bottom of the sealing box, the sealing box is externally connected to a vacuum pump and nitrogen, and the vacuum pump and nitrogen are connected to the sealing box through a three-way pipe; The suction assembly includes a fixed seat, a suction nozzle, a slow-filling spring, a measuring cup material storage tube and a sealing ring. The fixed seat is fixed to the bottom plate of the sealed box. A movable suction nozzle is inserted on the fixed seat. The suction nozzle is covered with a slow-filling spring. A measuring cup material storage tube communicating with the suction nozzle is installed in the sealed box above the suction nozzle. A sealing ring is installed between the fixed seat and the suction nozzle. The bottom of the suction nozzle is conical. The waste liquid recovery component includes a recovery cylinder and a recovery plate. The recovery cylinder is fixed to the upper end of the fixed bracket of the positioning device, and the recovery plate is installed on the telescopic rod of the recovery cylinder.

2. The multi-station battery vacuum pumping and inflating machine according to claim 1, characterized in that: The conveying device includes a roller conveyor, a guide partition, a fixed plate, a lifting cylinder, a lifting plate, a blocking cylinder, a blocking plate and a sensor. A guide partition is installed on the conveying bracket above the roller of the roller conveyor, and a battery carrier is installed on the roller between adjacent guide partitions. A fixed plate is installed at the bottom of the roller conveyor, and a lifting cylinder is installed on the fixed plate. A lifting plate is installed on the telescopic rod of the lifting cylinder. A blocking cylinder is installed at the output end of the roller conveyor, and a blocking plate is installed on the telescopic rod of the blocking cylinder. Sensors are fixed on both sides of the guide partition.

3. The multi-station battery vacuum pumping and inflating machine according to claim 1, characterized in that: The positioning device includes a connecting plate, a finger cylinder, a connecting frame, a positioning plate, a fixed bracket, a push-pull cylinder, a push plate and a clamping plate. The two connecting plates are vertically arranged on the suction bracket of the suction device. The finger cylinder is installed on the connecting plate. The connecting frame is installed on the clamping arm relative to the finger cylinder. The positioning plate is installed on the connecting frame. Fixed brackets are provided on the front and rear sides of the roller conveyor. Two push-pull cylinders are installed on the vertical plate above the fixed bracket. A push plate is installed on the telescopic rod of the push-pull cylinder. The push plate and the fixed bracket are connected by a guide rod. The clamping plate is installed on the push plate. Battery grooves are arranged on the opposite surfaces of the positioning plate and the clamping plate.

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