CN103418947B - Battery spot welding machine - Google Patents

Abstract

The invention discloses a battery spot welding machine, which includes a frame, a spot welding device installed on it, and a fixture return belt. The spot welding device includes a conveyor belt, a spot welding frame and a spot welding machine, and the conveyor belt is located in the middle of the workbench. , passing through the spot welding frame from front to back, the welding head of the spot welding machine is located on both sides of the spot welding frame, the motor drives the screw to control the welding head to move left and right, and the spot welding can be performed when the conveyor belt transports the battery pack to the spot welding station Operation, after all the welding is completed, the pallet assembly descends and the jigs fall to the conveyor belt, and the conveyor belt continues to move forward; after the staff behind the rack takes out the welded battery pack, they put the jigs on the jig return belt to return to the The rack workbench is recyclable and has the advantages of reasonable structure, spot welding quality and high efficiency.

Description

Battery spot welder

technical field

The invention discloses a battery spot welding machine, which belongs to the technical field of spot welding equipment manufacturing according to the International Patent Classification (IPC), and is applicable to the assembly of notebook batteries or batteries of the same type.

Background technique

Traditional notebook batteries or other batteries, battery pack production lines generally use manual spot welding, the quality of battery solder joints is unstable, and assembly efficiency is low. With the improvement of spot welding equipment technology, mature spot welding machines have appeared on the market, but in the operation process of spot welding battery packs, there is no complete set of equipment to automate spot welding operations. Therefore, the industry urgently needs a set of automatic battery spot welding. welding device.

Chinese document CN200910305800.3 is a spot welder device, which is used for welding nickel sheets on battery packs. The device includes a glue dispenser, two spot welders, and a positioning jig, which can be placed in the above-mentioned fixing seat. Several welding holes are arranged on the side of the positioning jig, and the welding holes are matched with the above-mentioned nickel sheets.

Contents of the invention

Aiming at the deficiencies of the prior art, the invention provides a battery spot welder with reasonable structure and high efficiency.

To achieve the above object, the present invention is achieved through the following technical solutions:

A battery spot welding machine, comprising a frame and a spot welding device installed thereon, said spot welding device comprising a conveyor belt, a spot welding frame and a spot welding machine:

Conveyor belt, located in the middle of the workbench, passing through the spot welding frame from front to back, used to transport the battery pack;

The spot welding frame has a battery pack channel, and sensors are installed on the spot welding frame to sense the battery pack conveyed by the conveyor belt. The spot welding frame at the end of the battery pack channel is provided with a movable stopper, and the two sides of the spot welding frame are all opened. There is a spot welding port, and the welding head of the spot welding machine is provided at the position corresponding to the spot welding port. The tray assembly is installed on the spot welding frame and can lift up the battery pack on the conveyor belt for spot welding. The spot welding frame is controlled by a screw rod to move back and forth. Spot welding the solder joints arranged front and back on the battery pack;

Spot welding machine, its main machine is located above the frame, and its welding head is located on both sides of the conveyor belt. When the conveyor belt transports the battery pack to the spot welding station, the spot welding operation is performed.

Further, the starting end of the conveyor belt is docked with the workbench on the frame, the conveyor belt passes through the spot welding frame and extends to the rear side of the frame, and a jig return belt is arranged on one side of the conveyor belt, and the end of the conveyor belt is connected to the frame on the frame. Workbench docking.

Further, the movable block is controlled by a cylinder, and when the cylinder is pushed down, it blocks the forward battery pack.

Further, the sensor is a photoelectric sensor, which senses the battery pack conveyed by the conveyor belt to the spot welding station.

Further, the tray assembly is composed of a cylinder and a tray, and the cylinder lifts up the tray to lift the tray and the battery pack up and down.

Further, the spot welding frame is installed on the screw rod through the base, and the screw rod is precisely controlled by a servo motor along the direction of the conveyor belt.

Further, the spot welding machine has at least one spot welding head on each side of the conveyor belt, and the spot welding head is installed on a screw rod, and the screw rod is perpendicular to the direction of the conveyor belt and is precisely moved by a servo motor.

Further, there are two welding heads of a spot welding machine on each side of the conveyor belt to respectively spot weld two rows of welding spots on the upper and lower sides of the battery pack.

When the present invention is used, batteries and nickel sheets are arranged in an orderly manner and fixed on the jig. The jig has two rows of welding holes at the position of the target solder spot, and then the jig is placed on the conveyor belt of the frame workbench, and the equipment is started. , the conveyor belt is conveyed forward, when the spot welding station is reached, the photoelectric sensor responds, the pallet assembly lifts up the jig with the battery, and cooperates with the spot welding machine to perform spot welding operations. When the first row of solder joints is welded, the servo motor Drive the screw to move the entire battery pack forward and weld the solder joints in turn. After all the welding is completed, the tray assembly descends and the jigs fall to the conveyor belt, and the conveyor belt continues to move forward; the staff behind the rack takes out the welded battery pack. , Put the jig on the return belt to return it to the rack workbench for recycling. It has the advantages of reasonable structure, high spot welding quality and efficiency.

Description of drawings

Fig. 1 is the overall schematic diagram of the present invention;

Fig. 2 is a schematic diagram of a spot welding device and a return belt of the present invention;

Fig. 3 is another schematic diagram of Fig. 2;

Fig. 4 is a schematic diagram of spot welding device of the present invention;

Fig. 5 is a schematic diagram of removing one side plate of the spot welding device of the present invention.

detailed description

The present invention will be further described below in conjunction with accompanying drawing:

Embodiment: please refer to Fig. 1 to Fig. 5, a kind of battery spot welding machine, comprises frame 1 and the spot welding device 2 that is installed on it, described spot welding device 2 comprises conveyer belt 21, spot welding frame 22 and point Welding head 23:

Conveyor belt 21, which passes through the spot welding frame 22, the conveyor belt 21 has a gap 200 in the middle along the conveying direction, and the conveyor belt is used to convey the battery pack P;

Spot welding frame 22, it has a battery pack passage, and sensor is installed on this spot welding frame and is used for the battery pack that induction conveyer belt conveys, and the spot welding frame at battery pack channel end is provided with movable block 24, and described spot welding frame 22 two The sides are all opened with spot welds, and the position corresponding to the spot welds is provided with a spot welder welding head 23, and the tray assembly is housed on the spot welder and can jack up the battery pack on the conveyor belt to carry out spot welding operations, and the spot welder 22 is made of wire Rod 25 is controlled to move back and forth to spot-weld the solder joints arranged front and back on the battery pack;

Spot welding head 23, which is located at both sides of the conveyor belt 21, performs spot welding when the conveyor belt transports the battery pack to the spot welding station.

Please refer to Fig. 1, the starting end of the conveyor belt 21 of the present invention is docked with the workbench 100 on the frame, the conveyor belt passes through the spot welding frame and extends to the rear side of the frame, and a jig return belt 3 is provided on the conveyor belt side. The end of 3 docks with the workbench 100 on the frame.

Referring to Fig. 4, the movable block 24 on the spot welding frame 22 of the present invention is controlled by the cylinder 240, and blocks the battery pack moving forward when the cylinder is pushed down. The sensor on the spot welding frame is a photoelectric sensor, which senses the battery pack conveyed by the conveyor belt to the spot welding station.

Please refer to Fig. 4 and Fig. 5, the tray assembly of the present invention is composed of the air cylinder 26 and the tray, and the air cylinder lifts the tray so that the tray and the battery pack can be lifted up and down. The spot welding frame 22 of the present invention is installed on the screw rod 25 through the base 220 , and the screw rod is along the direction of the conveyor belt and precisely controlled by a servo motor 250 .

The spot welder horn 23 of the present invention has at least one on each side of the conveyor belt. Please refer to FIG. 2 and FIG. 3 , there are two welding heads of spot welding machines on each side of the conveyor belt to respectively weld the upper and lower rows of welding points of the battery pack P.

When the present invention is used, batteries and nickel sheets are arranged in an orderly manner and fixed on the jig. The jig has two rows of welding holes at the position of the target solder spot, and then the jig is placed on the conveyor belt of the frame workbench, and the equipment is started. , the conveyor belt is conveyed forward, when the spot welding station is reached, the photoelectric sensor responds, the pallet assembly lifts up the jig with the battery, and cooperates with the spot welding machine to perform spot welding operations. When the first row of solder joints is welded, the servo motor Drive the screw to move the entire battery pack forward and weld the solder joints in turn. After all the welding is completed, the tray assembly descends and the jigs fall to the conveyor belt, and the conveyor belt continues to move forward; the staff behind the rack takes out the welded battery pack. , Put the jig on the return belt to return to the rack workbench for recycling.

The above records are only examples of using the technical content of this creation. Any modifications and changes made by those who are familiar with this technology using this creation belong to the scope of patents claimed by this creation, and are not limited to those disclosed in the examples.

Claims (9)

1. a battery spot welding machine, it is characterised in that the spot welding device comprising frame and being mounted thereon, described spot welding device comprises travelling belt, spot welding frame and spot welding machine, wherein:

Travelling belt, is positioned in the middle of worktable, transmits from front to back through spot welding frame, for carrying series of cells;

Spot welding frame, it has a series of cells passage, this spot welding frame is installed sensor for responding to the series of cells of travelling belt conveying, spot welding erection at series of cells passage end has active block stop, described spot welding frame two sides all have a weld bond, the position of corresponding points weld bond is provided with point welding machine welding head, spot welding frame is equipped with pallet assembly and series of cells on jack-up travelling belt carries out spot welding operation, described spot welding frame is movable with the solder joint of front and back arrangement in spot welding series of cells by screw mandrel control, described pallet assembly is made up of cylinder and pallet, cylinder jack-up pallet and make pallet and series of cells lifting up and down,

Spot welding machine, its main frame is positioned at the top of frame, and its soldering tip is positioned at travelling belt both sides, when travelling belt carries series of cells to carry out spot welding operation to during spot welding station.

2. battery spot welding machine according to claim 1, it is characterized in that: the origin or beginning of described travelling belt is docked with the worktable in frame, travelling belt is through spot welding frame and extends to side after frame, is provided with in travelling belt side and controls tool loopback band, and the end of this loopback band docks with the worktable in frame.

3. battery spot welding machine according to claim 1 and 2, it is characterised in that: described active block stop by cylinder control, cylinder push away under time block the series of cells moved ahead.

4. battery spot welding machine according to claim 1, it is characterised in that: described sensor is photo-sensor, and the series of cells of its induction travelling belt conveying is to spot welding station.

5. battery spot welding machine according to claim 1, it is characterised in that: described spot welding frame is by floor installation on screw mandrel, and this screw mandrel is along travelling belt direction and accurately controls by a servomotor.

6. battery spot welding machine according to claim 1 or 2 or 4 or 5, it is characterized in that: described spot welding machine has at least a spot welding head in the every side of travelling belt, and spot welding head is arranged on screw mandrel, also accurately move by Serve Motor Control in this screw mandrel vertical conveyors direction.

7. battery spot welding machine according to claim 3, it is characterised in that: described spot welding machine has at least a spot welding head in the every side of travelling belt, and spot welding head is arranged on screw mandrel, also accurately moves by Serve Motor Control in this screw mandrel vertical conveyors direction.

8. battery spot welding machine according to claim 6, it is characterised in that: there is two point welding machine welding heads spot welding series of cells two rows solder joint respectively every side of described travelling belt.

9. battery spot welding machine according to claim 7, it is characterised in that: there is two point welding machine welding heads spot welding series of cells two rows solder joint respectively every side of described travelling belt.