CN201841402U - Lithium battery capping machine - Google Patents

Abstract

The utility model relates to a lithium battery capping machine, which comprises a frame and a workbench arranged on the frame, and a battery top cover assembly feeding device for transporting the battery top cover assembly to the capping station is sequentially arranged on the workbench. Mechanism, the battery steel case assembly feeding mechanism that transports the battery steel case assembly to the capping station, and the capping mechanism that assembles the battery top cover assembly and presses it into the battery steel case assembly, and the above mechanisms are connected to the main control circuit. The utility model has a reasonable structural design, realizes automatic feeding and capping of the battery top cover assembly and the battery steel shell assembly, has accurate gland position, high production efficiency, high safety factor, greatly saves labor force and production cost, and is suitable for large batches The need for assembly of battery top cover components and battery steel case components improves the market competitiveness of enterprises. In addition, the battery top cover assembly is automatically corrected during the feeding process and the battery steel shell assembly is automatically detected during the feeding process, which improves product quality and reduces scrap rate.

Description

Lithium battery capping machine

technical field

The utility model relates to a machining device, in particular to a top cover component welded with a current collecting column and a battery steel shell with a bottom film, an edge film, tetrafluoroethylene, carbon beads and a top cover film pressed into it. Automatic equipment for automatic feeding and capping of components.

Background technique

Due to the advantages of high working voltage, small size, light weight, high energy, no pollution, small self-discharge, and long cycle life, cylindrical lithium batteries are widely used in power tools, electric vehicles, military equipment, aerospace and other fields . With the growth of social demand and the increasing difficulty of lithium battery manufacturing process, enterprises have put forward higher requirements for the production of lithium batteries.

At present, the lid of the lithium battery top cover is a combination of manual and semi-automatic equipment. The assembly efficiency is low, the labor intensity is high, the quality of the assembled product is difficult to guarantee, and there are safety hazards. The market competitiveness of enterprises.

Utility model content

The purpose of the utility model is to provide a lithium battery capping machine to realize automatic feeding and capping of products, improve production efficiency, and reduce production cost and labor intensity.

In order to solve the above technical problems, the utility model adopts the following technical solutions:

A lithium battery capping machine, comprising a frame and a workbench arranged on the frame, the workbench is sequentially provided with a battery top cover assembly feeding mechanism for transporting the battery top cover assembly to the capping station, The battery steel case assembly feeding mechanism that transports the battery steel case assembly to the capping station and the capping mechanism that assembles the battery top cover assembly and presses it into the battery steel case assembly are connected to the main control circuit.

The above-mentioned feeding mechanism includes a battery top cover assembly feeding mechanism and a battery steel shell assembly feeding mechanism. The battery top cover assembly feeding mechanism includes a vibrating plate on which the battery top cover assembly is placed, a feeding track connected to the vibrating plate, and a battery that transports the feeding track down. The top cover assembly is pushed to the feeding cylinder 1 on the conveying track 1 and the feeding cylinder 2 is used to transport the battery top cover assembly forward. At the end of the conveying track 1 on the workbench, there is a feeding cylinder 3, and a push block is connected to the feeding cylinder 3 , the push block pushes the battery top cover assembly at one end of the conveying track to the capping mechanism; the battery steel shell assembly feeding mechanism includes the second conveying track for conveying the steel shell jig with the battery steel shell assembly placed on it and the steel shell jig for conveying the steel shell jig forward Cylinder one is pushed, and a positioning cylinder for positioning steel shell fixtures is arranged below the gland mechanism on the workbench.

The above-mentioned capping mechanism includes a fixed seat installed on the workbench. A movable plate is installed in the fixed seat. A stamping cylinder is connected to the movable plate. A gland spindle is connected to the bottom of the movable plate. A gear is installed in the middle of the gland spindle. A rack meshed with the gear is installed in the fixed seat, and the rack is driven by the rack cylinder installed on one side of the fixed seat. The meshing between the rack and the gear drives the gland main shaft to rotate; Driven by the rotation of the main shaft of the gland and the work of the stamping cylinder, the punch sucks the battery top cover assembly and rotates to the top of the battery steel case assembly to assemble and press the battery top cover assembly into the battery steel case assembly.

A limit block for limiting the rotation stroke of the gland main shaft is installed above the gear on the cap main shaft.

The end of the conveying track 2 is provided with a push cylinder 2 that pushes the steel shell fixture out of the conveying track 2.

At the starting end of the second conveying track, there is also a sensor for detecting whether the steel shell of the battery steel shell assembly is equipped with a top cover film of the battery steel shell assembly.

The workbench is also equipped with a correction mechanism for correcting whether the current collecting column of the battery top cover assembly is qualified. The conveying track passes through the correction mechanism. The correction mechanism includes a base and a guide block installed in the base. A compression cylinder connected to the guide block is installed on the top of the base, a pressure head is installed on the bottom surface of the guide block, a correction block is installed under the guide block, and a correction block is installed on one side of the base to push the battery top cover assembly into place. Corrected calibration cylinder.

There is also a waste ejection cylinder installed between the correction mechanism and the gland mechanism on the workbench, a waste material discharge channel is provided between the conveying track 1 and conveying track 2, and a recovery box is set under the workbench, and the waste material is pushed out by the cylinder. The unqualified battery top cover assembly calibrated by the correction mechanism is pushed to the waste material discharge channel, and the unqualified battery top cover assembly falls into the recycling box from the waste material discharge channel.

The utility model has a reasonable structural design, and the battery top cover assembly welded with the current collecting column and the battery steel shell assembly with the bottom film, side film, tetrafluoroethylene, carbon beads, and top cover film pressed inside are transported to the gland through the feeding mechanism. The capping station of the mechanism, the capping mechanism assembles the battery top cover assembly and presses it into the battery steel case assembly, so as to realize automatic feeding and capping of the battery top cover assembly and battery steel case assembly, the position of the cap is accurate, and the production efficiency is high , high safety factor, greatly saving labor and production costs, suitable for the assembly of large quantities of battery top cover components and battery steel shell components, and improving the market competitiveness of enterprises. In addition, the battery top cover assembly is automatically corrected during the feeding process and the battery steel case assembly is automatically detected during the feeding process, which improves product quality and reduces scrap rate.

Description of drawings

Accompanying drawing 1 is the three-dimensional structure schematic diagram of the present utility model;

Accompanying drawing 2 is the utility model top view structure schematic diagram;

Accompanying drawing 3 is the schematic diagram of the top view state of the internal structure of the utility model;

Accompanying drawing 4 is the schematic diagram of the three-dimensional structure of the capping mechanism of the present utility model;

Accompanying drawing 5 is the schematic diagram of the front structure of the capping mechanism of the present utility model;

Accompanying drawing 6 is the three-dimensional structure diagram of the correction mechanism of the utility model.

Detailed ways

In order to facilitate the understanding of those skilled in the art, the structural principle of the utility model will be further described in detail below in conjunction with specific embodiments and accompanying drawings:

As shown in Figures 1-6, a lithium battery capping machine includes a frame and a workbench 1 arranged on the frame, and the workbench 1 is provided with a battery top cover assembly feeding mechanism 2 and a battery steel case assembly in sequence. The feeding mechanism 3, the correction mechanism 7 and the capping mechanism 4, the battery top cover assembly feeding mechanism 2 transports the battery top cover assembly 5 to the capping station of the capping mechanism 4, the battery top cover assembly 5 includes a top cover and a current collecting post , the current collecting column is welded on the top cover, the battery steel case assembly feeding mechanism 3 transports the battery steel case assembly 6 to the capping station of the capping mechanism 4, the battery steel case assembly 6 includes a steel case, a bottom film, and an edge film , PTFE, carbon beads, top cover film, bottom film, edge film, PTFE, carbon beads, and top cover film are pressed into the steel case in sequence, and the capping mechanism 4 assembles the battery top cover assembly 5 and presses it into the battery steel case assembly In 6, the above-mentioned mechanism is connected with the main control circuit.

Wherein, the above-mentioned battery top cover assembly feeding mechanism 2 includes a vibrating plate 21 on which the battery top cover assembly 5 is placed, a feeding track 22 connected to the vibrating plate 21, a delivery track 1 23, a feeding cylinder 1 24, a feeding cylinder 2 25, and a battery top cover assembly. The cover assembly 5 is transported from the feeding track 22 to the feeding cylinder one 24 through the vibrating plate 21, the feeding cylinder one 24 pushes the battery top cover assembly 5 onto the delivery track 23, and the feeding cylinder two 25 pushes the battery top cover assembly 5 on the delivery track one 23 forward transport; on the workbench 1, the end of the conveying track one 23 is provided with a feeding cylinder three 26, and the feeding cylinder three 26 is connected with a push block 27, and the push block 27 will convey the battery top cover assembly 5 at the end of the track one 23 Push towards the capping mechanism 4. The battery steel shell assembly feeding mechanism 3 includes a conveying track 2 32 for conveying the steel shell fixture 31 and a pushing cylinder 1 33. The battery steel shell assembly 6 is placed on the steel shell fixture 31, and the pushing cylinder 1 33 is installed at the starting end of the conveying track 2 32 , promote cylinder one 33 and steel shell fixture 31 is transported forward on conveying track two 32; Be provided with the positioning cylinder 34 of positioning steel shell fixture 31 below the gland mechanism 4 on workbench 1; Set at the end of conveying track two 32 There is a push cylinder 2 35, which pushes the steel shell fixture 31 delivered from the delivery track 2 32 out of the delivery track 2 32; at the starting end of the delivery track 2 32, there is a steel shell for detecting whether the steel shell assembly 6 of the battery is The sensor 8 equipped with the top cover film of the steel case assembly 6 of the battery. When the sensor 8 senses that there is no top cover film in the steel shell of the battery steel shell assembly 6, the positioning cylinder 34 does not work, and the steel shell clamp 31 continues to be transported to the end of the transport track 2 32 and is pushed out of the transport track 2 32 by the push cylinder 2 35 ; When the sensor 8 senses that there is a roof film in the steel shell of the battery steel shell assembly 6, the positioning cylinder 34 works to position the steel shell clamp 31, and the pressing mechanism 4 works to assemble the battery top cover assembly 5 into the battery In the steel shell assembly 6 , then, the steel shell clamp 31 continues to be transported to the end of the second conveying track 32 and is pushed out of the second conveying track 32 by the pushing cylinder 2 35 .

The above-mentioned capping mechanism 4 includes a fixed seat 41 installed on the workbench 1. A movable plate 42 is installed in the fixed seat 41. A stamping cylinder 43 is connected to the movable plate 42. The stamping cylinder 43 is fixed on the fixed seat 41. The following of plate 42 is connected with gland main shaft 44, and stamping cylinder 43 works to drive movable plate 42 and gland main shaft 44 to move up and down; The meshed rack 46 is driven by the rack cylinder 47 installed on the side of the fixed seat 41. The rack cylinder 47 drives the rack 46 to drive the gear 45 to rotate, and the gear 45 meshes with the rack 46 to drive the gland main shaft 44 rotations; a magnetic punch 48 is installed on the bottom of the gland main shaft 44, the punch 48 can hold the battery top cover assembly 5, and the punch 48 is driven by the rotation of the gland main shaft 44 and the work of the stamping cylinder 43 Suction the battery top cover assembly 5 and rotate to the top of the battery steel case assembly 6 to assemble and press the battery top cover assembly 5 into the battery steel case assembly 6 . In order to prevent the excessive rotation stroke of the gland main shaft 44 from affecting the accurate assembly of the glands of the battery top cover assembly 5 and the battery steel case assembly 6 , a limit block 49 is installed above the gear 45 on the gland main shaft 44 .

In addition, the above-mentioned workbench 1 is also equipped with a correction mechanism 7 for correcting whether the current collecting column of the battery top cover assembly 5 is qualified. The conveying track 1 23 traverses the correction mechanism 7. The base 71 and the guide block 72 installed in the base 71 are installed with a compression cylinder 73 connected with the guide block 72 on the top of the base 71, and the bottom surface of the guide block 72 is equipped with a pressure head 74, on the guide block 27 A correction block 75 is installed below, and a correction cylinder 76 for pushing the battery top cover assembly 5 into the correction block 75 for correction is installed on one side of the base 71 . When the battery top cover assembly 5 is transported to the correction mechanism 7 on the delivery track one 23, the pressing cylinder 73 works and moves downward to drive the correction block 75 to move and position the battery top cover assembly 5, and the pressure head 74 presses the battery top cover assembly 5 At the same time, the calibration cylinder 76 drives the battery top cover assembly 5 to be pressed into the calibration block 75, thereby correcting the current collecting post of the battery top cover assembly 5, improving product quality and reducing scrap rate.

In addition, between the correcting mechanism 7 and the gland mechanism 4 on the workbench 1, a waste material ejection cylinder 9 is also installed, and a waste material unloading channel 91 is provided between the conveying track one 23 and the conveying track two 32, on the workbench 1 There is a recycling box underneath. The unqualified battery top cover assembly 5 calibrated by the correction mechanism 7 continues to be transported on the conveying track 1 23. When the unqualified battery top cover assembly 5 passes through the waste material and is pushed out of the cylinder 9, the waste material is pushed out of the cylinder 9 to push the battery top cover assembly 5 to the waste material The unqualified battery top cover assembly 5 falls into the recovery box from the waste material unloading channel 91.

In order to better control the connection work of each mechanism, sensors can be set on each mechanism.

The specific operation process of the utility model is described in the following: first, start the main control circuit, and the battery top cover assembly 5 welded with the current collecting column is transported from the feeding track 22 to the feeding cylinder one 24 through the vibrating plate 21, and the feeding cylinder one 24 will The battery top cover assembly 5 is pushed onto the conveying track 23 . Then, the feeding cylinder 2 25 transports the battery top cover assembly 5 forward on the delivery track 1 23. When the battery top cover assembly 5 is delivered to the correction mechanism 7, the pressing cylinder 73 drives the correction block 75 downward to move and position the battery top. cover assembly 5, at the same time, the pressure head 74 presses the battery top cover assembly 5, and the calibration cylinder 76 drives the battery top cover assembly 5 to press into the calibration block 75, thereby automatically correcting the current collecting post of the battery top cover assembly 5. The battery top cover assembly 5 continues to be transported on the conveying track one 23 under the push of the feeding cylinder two 25, and when the unqualified battery top cover assembly 5 calibrated by the correction mechanism 7 is pushed out of the cylinder 9 through waste materials, the main control circuit controls the waste materials to be pushed out of the cylinder 9 Work pushes the unqualified battery top cover assembly 5 to the waste material discharge channel 91, and the unqualified battery top cover assembly 5 falls into the recovery box from the waste material discharge channel 91. The battery top cover assembly 5 calibrated and qualified by the calibration mechanism 7 continues to be transported on the conveying track one 23. When the battery top cover assembly 5 is transported to the end of the conveying track one 23, the main control circuit controls the feeding cylinder three 26 to work through the push block 27. The battery top cover assembly 5 is pushed toward the cap pressing mechanism 4 .

While the battery top cover assembly 5 is feeding, push the cylinder one 33 to transport the steel shell fixture 31 forward on the conveying track two 32, and the sensor 8 detects whether the steel shell of the battery steel shell assembly 6 is equipped with a battery steel shell assembly 6 roof film, when the sensor 8 senses that there is no roof film in the steel shell of the battery steel shell assembly 6, the positioning cylinder 34 does not work, and the steel shell clamp 31 continues to be transported to the end of the delivery track 2 32 and is pushed by the cylinder 2 35 Directly push out the delivery track 2 32; when the sensor 8 senses that there is a top cover film in the steel shell of the battery steel shell assembly 6, the positioning cylinder 34 works to position the steel shell clamp 31. Then, the rack cylinder 47 works to push the rack 46 to move forward, the rack 46 drives the gear 45 to rotate forward, the gear 4 drives the capping main shaft 44 to rotate, and the capping main shaft 44 drives the punch 48 to rotate until the feeding cylinder 3 26 pushes it over At this time, the stamping cylinder 43 works to drive the movable plate 42 to move downward, thereby driving the gland main shaft 44 and the punch 48 installed on the gland main shaft 44 to move downward, and the punch 48 sucks Hold the battery top cover assembly 5, the stamping cylinder 43 returns upward to drive the punch 48 to move upward, and the rack cylinder 47 returns to work to push the rack 46 to move backward, the rack 46 drives the gear 45 to rotate in the opposite direction, and the gear 4 drives the gland main shaft 44 rotates, the gland main shaft 44 drives the punch 48 sucked with the battery top cover assembly 5 to rotate to the top of the battery steel case assembly 6, and the stamping cylinder 43 continues to work to drive the movable plate 42 to move downward, thereby driving the gland main shaft 44 and the punch The head 48 moves downward, thereby fitting and pressing the battery top cover assembly 5 into the battery steel casing assembly 6 . Finally, the positioning cylinder 34 returns to the position, and the steel shell clamp 31 continues to be transported on the second delivery track 32. When the steel shell clamp 31 is delivered to the end of the second delivery track 32, the second delivery track 32 is pushed out by the second cylinder 35. Such reciprocation realizes the automatic feeding and capping of the battery top cover assembly 5 and the battery steel case assembly 6. The capping position is accurate, the production efficiency is high, and the safety factor is high, which greatly saves labor and production costs, and is suitable for large-scale battery production. The need for assembly of the top cover assembly 5 and the battery steel case assembly 6 improves the market competitiveness of the enterprise. In addition, the battery top cover assembly 5 is automatically corrected during the feeding process and the battery steel case assembly 6 is automatically detected during the feeding process, which improves product quality and reduces scrap rate.

The above-mentioned embodiments are only preferred implementation modes of the present utility model, in addition, the present utility model may also have other implementation modes. That is to say, on the premise of not departing from the inventive concept of the present utility model, any obvious replacement shall fall within the protection scope of the present utility model.

Claims (8)

1. lithium battery capping machine, comprise frame and the workbench (1) that is located on the frame, it is characterized in that: be provided with in regular turn on the described workbench with battery cap assembly (5) be delivered to the gland station battery cap assembly feed mechanism (2), battery steel shell assembly (6) is delivered to the battery steel shell assembly feed mechanism (3) of gland station and the battery cap component assembling is pressed into cover pressing mechanism (4) in the battery steel shell assembly, said mechanism is connected with governor circuit.

2. lithium battery capping machine according to claim 1, it is characterized in that: described battery cap assembly feed mechanism comprises the vibrating disc (21) of placing the battery cap assembly, the feeding track that is connected with vibrating disc (22) and carry the battery cap assembly that gets off to push away feeding cylinder one (24) on the delivery track one (23) and the feeding cylinder two (25) that the battery cap assembly is fed forward the feeding track, the end of delivery track one is provided with feeding cylinder three (26) on workbench, be connected with pushing block (27) on the feeding cylinder three, pushing block is pushed the battery cap assembly of delivery track one end to cover pressing mechanism; Described battery steel shell assembly feed mechanism comprises the delivery track two (32) of carrying the box hat anchor clamps (31) that are placed with the battery steel shell assembly and the promotion cylinder one (33) that the box hat anchor clamps are fed forward, and is provided with the positioning cylinder (34) of location box hat anchor clamps below workbench upper press cover mechanism.

3. lithium battery capping machine according to claim 2, it is characterized in that: described cover pressing mechanism (4) comprises the holder (41) that is installed on the workbench, one portable plate (42) is installed in the holder, be connected with stamping cylinder (43) above the portable plate, be connected with gland main shaft (44) below the portable plate, the middle part of gland main shaft is equipped with gear (45), tooth bar (46) with gears engaged is installed in holder, tooth bar is by being installed on tooth bar cylinder (47) the driving work of holder one side, and the rack and pinion engagement drives the gland main axis rotation; The bottom of gland main shaft is equipped with magnetic drift (48), drift hold the battery cap assembly under the rotation of gland main shaft drives and under the work of stamping cylinder and rotate to the battery steel shell assembly above the battery cap component assembling is pressed in the battery steel shell assembly.

4. lithium battery capping machine according to claim 3 is characterized in that: the gland main shaft cog above the limited block (49) of restriction gland main axis rotation stroke is installed.

5. lithium battery capping machine according to claim 3 is characterized in that: the end at delivery track two is provided with the promotion cylinder two (35) of the box hat anchor clamps being released delivery track two.

6. according to each described lithium battery capping machine in the claim 1～5, it is characterized in that: the initiating terminal at delivery track two also is provided with the inductor (8) that whether is equipped with battery steel shell assembly tectorial membrane in the box hat that detects the battery steel shell assembly.

7. lithium battery capping machine according to claim 6, it is characterized in that: whether qualified afflux post the aligning gear (7) of proofreading and correct the battery cap assembly also be installed on the described workbench, delivery track one passes across aligning gear, this aligning gear comprises pedestal (71) and is installed on the interior guide pad (72) of pedestal, one clamping cylinder that is connected with guide pad (73) is installed at the pedestal top, the bottom surface of guide pad is equipped with pressure head (74), correcting block (75) is installed below guide pad, the correction cylinder (76) that advances correcting block to proofread and correct the battery cap assembly is installed in a side of pedestal.

8. according to the lithium battery capping machine described in the claim 7, it is characterized in that: waste material also is installed between aligning gear on the workbench and cover pressing mechanism releases cylinder (9), between delivery track one and delivery track two, be provided with waste material blanking channel (91), below workbench, be provided with the recovery box, waste material release cylinder is proofreaied and correct underproof battery cap assembly with aligning gear and is pushed the waste material blanking channel to, and defective battery cap assembly is fallen into from the waste material blanking channel and reclaimed the box.

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