CN104003192A - Method and device for silver mesh conveying and pick-and-place in automatic production line for cathode pieces - Google Patents

Abstract

The invention provides a method and a device for silver mesh conveying and pick-and-place in an automatic production line for cathode pieces. The device for silver mesh conveying and pick-and-place in the automatic production line for cathode pieces comprises a synchronous belt, wherein the synchronous belt is connected with a drive motor and a transmission respectively; the rotary shaft of the transmission is connected with a silver mesh rotary disc; the drive motor is fixed on a seat; the seat is located on a silver mesh rotary table support; a plurality of silver mesh placement stations are arranged on the silver mesh rotary disc; a main conveying line follow fixture is arranged on a main assembly line for the cathode pieces; a conveying support is arranged on the main assembly line for the cathode pieces; a manipulator conveying belt wheel and a first guide rail are arranged on the conveying support; a conveying belt is fixedly connected with a grabbing manipulator; the grabbing manipulator is capable of moving back and forth between silver mesh conveying stations on the main assembly line for the cathode pieces and the silver mesh placement stations on the silver mesh rotary disc along the first guide rail under the driving of the conveying belt. The method and the device provided by the invention are capable of realizing fully-automatic silver mesh conveying and pick-and-place, thus reducing the labour intensity of workers.

Description

Silver mesh conveying and picking method and device for automatic negative electrode sheet production line

technical field

The invention relates to a method and device for conveying and picking silver nets used in an automatic production line for negative electrodes.

Background technique

The negative electrode is the key component of the zinc-silver battery, and the silver mesh is an important conductive part for the forming of the zinc-silver negative electrode. In the automatic forming production line of the zinc-silver negative electrode, the silver mesh transportation link is very important. The accuracy of the silver mesh transportation position is high or low, and the absorption The stability of the silver grid is directly related to the production quality of the negative electrode sheet. This method of picking and placing the silver grid and the special equipment for picking and placing the position have high accuracy, good stability during picking and placing, and are not easy to drop, which can reduce the randomness of workers placing the silver grid manually , Instability, improve the production quality of the negative electrode, reduce the harm of the toxic substances in the negative electrode product to the worker's body, and can also be used for the pick-and-place and transportation of other similar raw materials.

Zinc-silver negative electrode batteries are widely used in aerospace and military fields. Silver mesh is the key conductive part of zinc-silver negative electrode sheet. It is composed of silver mesh skeleton and tremella welding. Its material is soft, thin, easy to bend and deform, and has a mesh structure. It is not easy to absorb, and the welding size accuracy of the silver mesh itself is not high. In the automatic forming production line of the zinc-silver negative electrode sheet, it is required to be accurately placed in the mold frame for forming the negative electrode sheet. Inaccurate placement will directly lead to the scrapping of the negative electrode sheet. Conveying and pick-and-place is the key process of negative electrode sheet forming, which is directly related to the quality of negative electrode sheet forming. Therefore, it is urgent to develop a stable, efficient, and high-precision automatic special equipment for conveying and picking and placing silver screens.

Contents of the invention

The technical problem to be solved by the present invention is to provide a special automation equipment for picking, placing and transporting the silver net of the negative electrode, so as to improve the conveying efficiency and precision of the silver net, finally ensure the stable quality of the negative electrode forming and avoid toxic substances from harming the health of the workers. s damage.

In order to solve the above-mentioned technical problems, the present invention provides a silver mesh conveying pick-and-place device for the negative electrode sheet automatic production line, which is characterized in that it includes a manipulator conveyor pulley, a main conveyor line accompanying clamp, a conveyor belt, a grabbing manipulator, and a first guide rail , vacuum nozzle, silver screen turntable, synchronous belt, indexing sensor, drive motor and machine base, the synchronous belt is respectively connected to the drive motor and gearbox, the rotating shaft of the gearbox is connected to the silver screen turntable, and the drive motor is fixed on the machine base. The seat is located on the support of the silver mesh turntable, and there are multiple silver mesh placement stations on the silver mesh turntable. Equipped with a manipulator conveyor pulley and a first guide rail, the conveyor belt is driven by the motor-driven manipulator conveyor pulley, the conveyor belt is fixedly connected to the grabbing manipulator, and the grabbing manipulator can be driven by the conveyor belt along the first guide rail on the silver mesh conveyor on the main flow line of the negative electrode sheet Move back and forth between the station and the silver screen placement station on the silver screen turntable, and a vacuum nozzle is provided at the lower end of the grasping manipulator.

Preferably, the grabbing manipulator includes a grabbing manipulator body, the grabbing manipulator body is fixedly connected to a delivery slider, and the delivery slider is arranged on the first guide rail and can be transported along the first guide rail on the silver net on the main flow line of the negative electrode sheet The station moves back and forth between the station and the silver mesh placement station on the silver mesh turntable. The upper and lower ends of the grasping manipulator body are respectively provided with a pulley support seat, and a pulley is provided on the pulley support seat, and one of the pulleys is connected The motor shaft of the stepping motor has a belt on the pulley, and a grabbing slider is fixed on the belt. The grabbing slider is located on the guide rail and can slide up and down freely along the second guide rail. The grabbing slider is connected to the slider, and the slider The connection plate is connected, the connection plate is connected with the positioning mechanism and the vacuum suction nozzle, the vacuum joint is located on the connection plate and communicates with the vacuum suction nozzle, and the vacuum joint is connected with the vacuum pump.

More preferably, the positioning mechanism includes a transition plate, the transition plate is connected to the connecting plate, the transition plate is connected to the guide post, the guide post is connected to the positioning plate, a positioning taper pin is arranged on the lower side of the positioning plate, and a spring is wound around the outer ring of the guide post.

More preferably, a limit sensor is provided on the top of the grasping manipulator body, and the movement sensing part of the limit sensor is located on the conveying slider.

Preferably, an indexing sensor is also provided on the support of the silver mesh turntable, and the indexing sensor corresponds to the station of the rotating shaft of the driving motor.

Preferably, the silver net turntable is evenly equipped with 20 silver net placing stations, the silver net is located on the silver net placing stations, and the position of the tremella faces inward.

The present invention also provides a silver net automatic grabbing and conveying method, which is characterized in that, using the above-mentioned silver net conveying pick-and-place device for the negative electrode sheet automatic production line, the specific steps include:

Step 1: Put the silver net on each silver net placement station on the silver net turntable for positioning; start the drive motor and stepping motor, grab the manipulator and the silver net turntable back to the initial position, turn on the vacuum pump, at this time The grabbing manipulator is located directly above the silver net;

Step 2: When the mainstream waterline accompanying jig transports the mold frame to the silver screen conveying station, it sends a grabbing signal to the grabbing manipulator. At this time, the stepping motor drives the belt and the grabbing slider to move down along the second guide rail, and When the positioning mechanism connected with the slide bar and the vacuum nozzle move down to the preset position, the positioning taper pin will fix the relative position of the silver net and the grabbing manipulator, and then the vacuum nozzle will open to suck the whole silver net to the grabbing manipulator. The vacuum nozzle of the grasping manipulator and the silver mesh it sucks move upward to reach the upper limit position;

Step 3: The conveyor belt wheel of the manipulator drives the conveyor belt, slides on the first guide rail through the conveying slider, and transports the grasping manipulator to the position directly above the mold frame, and moves downward according to the preset position. When reaching the lower limit position, the vacuum nozzle Close and place the silver net accurately in the mold frame;

Step 4: The stepping motor drives the belt and the grabbing slider to move up to the initial position along the second guide rail, and the conveyor belt wheel of the manipulator drives the conveyor belt, slides on the first guide rail through the conveying slider, and transports the grabbing manipulator back to the initial position , the drive motor drives the synchronous belt to rotate, the silver screen turntable just rotates to the next silver screen conveying station, the indexing sensor generates a signal, the drive motor stops moving, and is ready to transport the next silver screen.

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

The invention can realize the automatic conveying and grabbing of silver nets, reduce the labor intensity of workers, avoid the problems of inaccurate and random placement of silver nets by hand, improve the forming quality of negative electrodes, and effectively reduce the formation of negative electrodes. Process workers are exposed to harmful substances when placing silver screens, which greatly improves production quality and efficiency.

Description of drawings

Fig. 1 is a schematic diagram of the bank network structure;

Fig. 2 is the schematic diagram of the structure of the silver mesh conveying pick-and-place device used for the negative plate automatic production line;

Fig. 3 is the front view of grabbing manipulator;

Figure 4 is a side view of the grasping manipulator;

Fig. 5 is a principle diagram of the bank net grasping and positioning correction of the present invention.

In the figure: 1- Conveyor pulley of manipulator; 2- Accompanying fixture of main conveying line; 3- Mold frame; 4- Conveyor belt; -silver mesh turntable; 10-synchronous belt; 11-division sensor; 12-drive motor; 13-base; 14-limit sensor; 15-grab slider; -belt wheel; 19-sliding rod; 20-pulley support seat; 21-connecting plate; 22-stepper motor; 23-transport slider; 24-guide column; 25-spring; plate; 28-transition plate; 29-locating taper pin, 30-mesh skeleton, 31-white fungus.

Detailed ways

Below in conjunction with specific embodiment, further illustrate the present invention. These examples are only for illustrating the present invention and are not intended to limit the scope of the present invention. In addition, it should be understood that after reading the teachings of the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the appended claims of the present application.

Example 1

As shown in Figure 1, it is a schematic diagram of the silver mesh structure, and the silver mesh includes a mesh skeleton 30 and tremella 31, and as shown in Figure 2, it is a schematic structural diagram of a silver mesh conveying pick-and-place device used for the negative plate automatic production line, so The above-described silver mesh conveying pick-and-place device for the negative electrode automatic production line is mainly composed of a manipulator conveyor pulley 1, a main conveying line accompanying fixture 2, a conveyor belt 4, a grabbing manipulator 6, a guide rail 7, a vacuum nozzle 8, and a silver mesh turntable 9, Synchronous belt 10, indexing sensor 11, drive motor 12 and frame 13 are composed, and described synchronous belt 10 is respectively connected with drive motor 12 and gearbox, and the rotating shaft of gearbox is connected with silver screen turntable 9, and drive motor 12 is fixed on frame 13, the machine base 13 is located on the silver mesh turntable support, the silver mesh turntable 9 is provided with a plurality of silver mesh placement stations, and the accompanying fixture 2 of the main conveying line is arranged on the main flow line of the negative electrode sheet. With a bracket, the transmission bracket is provided with a manipulator conveyor pulley 1 and a first guide rail 7, the conveyor belt 4 is driven by the motor-driven manipulator conveyor pulley 1, and the conveyor belt 4 is fixedly connected to the grasping manipulator 6, and the grasping manipulator 6 can be driven by the conveyor belt 4. Move back and forth along the first guide rail 7 between the silver mesh conveying station on the main flow line of the negative electrode sheet and the silver mesh placing station on the silver mesh turntable 9, and a vacuum suction nozzle 8 is provided at the lower end of the grasping manipulator 6 . An indexing sensor 11 is also arranged on the silver screen turntable support, and the indexing sensor 11 corresponds to the station of the driving motor 12 rotating shafts. Described silver mesh turntable 9 is evenly provided with 20 silver mesh placement stations, and silver mesh 5 is positioned on each station of silver mesh turntable 9, and the position of white fungus faces inward. The silver net 5 is pre-placed on the 20 silver net placement stations of the silver net turntable 9, and the silver net turntable 9 performs 20 graduations through the indexing sensor 11, that is, conveys a piece of silver net 5, rotates 30°, and transfers the next silver net The placing station turns to the conveying position. When the silver screen turntable 9 rotates to the conveying station, the grasping manipulator 6 moves vertically downward. At this time, the positioning taper pin 29 and the positioning hole of the silver screen 5 are used to position and cooperate to determine the silver screen. 5 and the relative position of the grasping manipulator 6. At this time, the positioning of the silver net transportation is completed, and then the vacuum suction nozzle 8 on the grasping manipulator 6 absorbs the tremella 31, and the whole piece of silver net 5 is adsorbed on the grasping manipulator 6, Complete the grab action.

As shown in Figure 3 , the grabbing manipulator 6 includes a grabbing manipulator body, the grabbing manipulator body is fixedly connected to the delivery slider 23, and the delivery slider 23 is arranged on the first guide rail 7 and can be moved along the first guide rail 7 at the negative pole. Move back and forth between the silver net conveying station on the film main flow line and the silver net placement station on the silver net turntable 9, and grab the upper and lower ends of the manipulator body respectively to be provided with a belt wheel support seat, set on the belt wheel support seat. Pulley 18 is arranged, and as shown in Figure 4, wherein a pulley 18 connects the motor shaft of stepper motor 22, is provided with belt 17 on the pulley 18, is fixed with grab slide block 15 on the belt 17, grabs slide block 15 Located on the guide rail 16 and can freely slide up and down along the second guide rail 16, the grab slider 15 is connected to the slide bar 19, the slide bar 19 is fixedly connected to the connecting plate 21, the connecting plate 21 is connected to the positioning mechanism and the vacuum nozzle 8, and the vacuum joint 26 is located on the The connecting plate 21 communicates with the vacuum nozzle 8, and the vacuum joint 26 is connected with a vacuum pump. Described positioning mechanism comprises transition plate 28, and transition plate 28 connects connecting plate 21, and transition plate 28 connects guide post 24, and guide post 24 connects positioning plate 27, and the lower side of positioning plate 27 is provided with positioning taper pin 29, and outside guide post 24 A spring 25 is coiled, and a limit sensor 14 is provided on the top of the grasping manipulator body, and the movement sensing part of the limit sensor 14 is located on the conveying slider 15 .

Using the above-mentioned silver mesh conveying pick-and-place device for the negative electrode sheet automatic production line to carry out the silver mesh automatic grabbing and conveying method, the specific steps are:

Step 1: Preparatory actions before silver net grabbing and conveying: Before starting silver net grabbing and transporting, first turn on the switching power supply, turn on the vacuum pump switch, and put the silver net 5 on each silver net placement station on the silver net turntable 9 Start the drive motor 12 and the stepper motor 22, grab the manipulator 6 and the silver screen turntable 9 back to the initial position, turn on the vacuum pump, and now grab the manipulator 6 and be positioned at the top of the silver screen 5;

Step 2: After the preparatory action before the silver net grabbing and conveying is completed, and the mainstream water line gives the silver net conveying signal, the silver net grabbing action is started, as follows: the main stream line accompanying fixture 2 transports the mold frame 3 to the silver net conveying worker When in position, give grabbing manipulator 6 grabbing signal, and stepping motor 22 drives belt 17 and grabbing slider 15 to move down along second guide rail 16 at this moment, the positioning mechanism that links to each other with slide bar 18 and vacuum suction nozzle 8 When moving down to the preset position, the positioning taper pin 29 fixes the relative position of the silver screen 5 and the grasping manipulator 6, and then the vacuum nozzle 8 is opened to suck the whole silver net 5 onto the grasping manipulator 6, as shown in Figure 5 Show; grab the vacuum nozzle 8 of manipulator 6 and the silver net 5 that it sucks moves upwards, when reaching the upper limit position, the whole grab manipulator completes the silver net grasping action.

The third step: after completing the silver net grabbing action, then carry out the delivery and placement of the silver net, as follows: the conveyor belt 4 is driven by the conveyor belt wheel 1 of the manipulator, and slides on the first guide rail 7 through the transport slider 23, and the grab manipulator 6 Transported to the position directly above the mold frame 3, the stepping motor 22 drives the belt 17 and the grasping slider 15 to move downward along the second guide rail 16. When the lower limit position is reached, the vacuum nozzle 8 is closed, and the silver net 5 is accurately placed on the Inside the mold frame 3;

Step 4: After completing the conveying and placing action of the silver net, return to the initial position immediately, carry out the next silver net grasping cycle, rotate the silver net turntable, and rotate the next station where the silver net is placed to the conveying position, the details are as follows: The stepping motor 22 drives the belt 17 and the grabbing slider 15 to move upwards to the initial position along the second guide rail 16, the conveyor belt 4 is driven by the conveyor belt wheel 1 of the manipulator, and slides on the first guide rail 7 through the transport slider 23, and the grabbing manipulator 6 transport back to the initial position, the drive motor 12 drives the synchronous belt 10 to rotate, the drive motor 12 rotates one circle, the silver net turntable 9 just rotates 30° to the next silver net conveying station, the indexing sensor 11 generates a signal, and the drive motor 12 stops Movement, wait for the next transmission signal of the mainstream pipeline, and prepare for the transmission of the next piece of silver net.

Claims (7)

1. the silver net for negative plate automatic production line is carried fetching device, it is characterized in that, comprise that manipulator transmits belt wheel (1), main conveyor line pallet (2), belt conveyor (4), catching robot (6), the first guide rail (7), vacuum slot (8), silver net rotating disk (9), Timing Belt (10), indexing sensor (11), drive motor (12) and support (13), Timing Belt (10) connects respectively drive motor (12) and change speed gear box, the rotating shaft of change speed gear box connects silver-colored net rotating disk (9), drive motor (12) is fixed on support (13), support (13) is positioned on silver-colored net turntable support, silver net rotating disk (9) is provided with multiple silver nets and places station, main conveyor line pallet (2) is located on negative plate main flow waterline, negative plate main flow waterline is provided with transmission support, transmission is provided with manipulator with support and transmits belt wheel (1) and the first guide rail (7), belt conveyor (4) transmits belt wheel (1) by motor driving device hand and drives, belt conveyor (4) is fixedly connected with catching robot (6), catching robot (6) can move around between the placement of the silver net on silver-colored net feed station and the silver-colored net rotating disk (9) on negative plate main flow waterline station along the first guide rail (7) under the drive of belt conveyor (4), catching robot (6) lower end is provided with vacuum slot (8).

2. the silver net for negative plate automatic production line as claimed in claim 1 is carried fetching device, it is characterized in that, described catching robot (6) comprises catching robot body, catching robot body is fixedly connected with carries slide block (23), carry slide block (23) be located at the first guide rail (7) above and can between the placement of the silver net on silver-colored net feed station and the silver-colored net rotating disk (9) on negative plate main flow waterline station, move around along the first guide rail (7), the two ends up and down of catching robot body are respectively provided with a belt wheel supporting seat, belt wheel supporting seat is provided with belt wheel (18), one of them belt wheel (18) connects the motor shaft of stepping motor (22), belt wheel (18) is provided with belt (17), on belt (17), be fixed with and capture slide block (15), capturing slide block (15) is positioned at guide rail (16) above and can freely slides up and down along the second guide rail (16), capture slide block (15) and connect slide bar (19), slide bar (19) connects connecting panel (21), connecting panel (21) connecting locating mechanism and vacuum slot (8), vacuum adapter (26) is positioned at connecting panel (21) above and communicates with vacuum slot (8), vacuum adapter (26) connects vacuum pump.

3. the silver net for negative plate automatic production line as claimed in claim 2 is carried fetching device, it is characterized in that, described detent mechanism comprises rebound (28), rebound (28) connects connecting panel (21), rebound (28) connects guide pillar (24), guide pillar (24) connected positioning plate (27), locating plate (27) downside is provided with locating taper pin (29), and guide pillar (24) outer ring is around spring (25).

4. the silver net for negative plate automatic production line as claimed in claim 2 is carried fetching device, it is characterized in that, the top of described catching robot body is provided with limit sensors (14), and the mobile sensing part of limit sensors (14) is positioned at carries on slide block (15).

5. the silver net for negative plate automatic production line as claimed in claim 1 is carried fetching device, it is characterized in that, on described silver-colored net turntable support, be also provided with indexing sensor (11), indexing sensor (11) is corresponding with the station of drive motor (12) rotating shaft.

6. the silver net for negative plate automatic production line as claimed in claim 1 is carried fetching device, it is characterized in that, described silver-colored net rotating disk (9) is evenly provided with 20 silver nets and places station, and silver-colored net (5) is positioned at silver net to be placed on station, and the position of white fungus inwardly.

7. silver-colored net automatic capturing and a carrying method, is characterized in that, adopts the silver net for negative plate automatic production line described in any one in claim 1-6 to carry fetching device, and concrete steps comprise:

The first step: silver-colored net (5) is put on each silver net placement station on silver-colored net rotating disk (9) and is positioned; Start drive motor (12) and stepping motor (22), catching robot (6) and silver-colored net rotating disk (9) are got back to initial position, vacuum pump is opened, and now catching robot (6) is positioned at directly over silver-colored net (5);

Second step: when framed (3) are transported to silver-colored net feed station by main flow waterline pallet (2), capture signal to catching robot (6), now stepping motor (22) drives belt (17) and captures slide block (15) and moves downward along the second guide rail (16), when the detent mechanism being connected with slide bar (18) and vacuum slot (8) are moved down into predeterminated position, locating taper pin (29) is reserved silver-colored net (5) and the relative position of catching robot (6), then vacuum slot (8) is opened whole silver-colored net (5) is drawn on catching robot (6), the vacuum slot (8) of catching robot (6) and silver-colored net (5) upward movement of drawing thereof arrive upper limit position,

The 3rd step: manipulator transmits belt wheel (1) and drives belt conveyor (4), by carrying slide block (23) in the upper slip of the first guide rail (7), catching robot (6) is delivered to position directly over framed (3), and move downward according to predeterminated position, while arriving lower position, vacuum slot (8) is closed, and silver-colored net (5) is accurately positioned in framed (3);

The 4th step: stepping motor (22) drives belt (17) and captures slide block (15) and moves up to initial position along the second guide rail (16), manipulator transmits belt wheel (1) and drives belt conveyor (4), by carrying slide block (23) in the upper slip of the first guide rail (7), catching robot (6) is transmitted back to initial position, drive motor (12) drives Timing Belt (10) to rotate, silver net rotating disk (9) turns to next silver-colored net feed station just, indexing sensor (11) produces signal, drive motor (12) stop motion, the conveying of lower a slice silver net is carried out in preparation.