CN112058714A

CN112058714A - Defective battery discharging device on battery production line and working method

Info

Publication number: CN112058714A
Application number: CN202010731765.8A
Authority: CN
Inventors: 王积相; 鲍锦超
Original assignee: Nanjing Lingque Intelligent Manufacturing Co Ltd
Current assignee: Nanjing Lingque Intelligent Manufacturing Co Ltd
Priority date: 2020-07-27
Filing date: 2020-07-27
Publication date: 2020-12-11
Also published as: WO2022021891A1

Abstract

The invention discloses a defective battery blanking device on a battery production line and a working method, wherein the battery production line blanking device is arranged on a battery conveying production line and is used for carrying out blanking operation on defective batteries which fail to pass an electrical test, and the blanking device comprises the following steps: the battery conveying device comprises a linear guide rail assembly, a mechanical arm and a special clamp, wherein the linear guide rail assembly is arranged on one side of a battery conveying machine body; and one side of the linear guide rail group is provided with a linear driving device and a positioning mechanism, and the linear driving device is communicated with a control system. The lithium battery production line and the fire fighting conveyor line are synchronously arranged, fire fighting paths and waiting time are shortened for solving the problem of fire on the production line, the distance between the clamping jaws can be adjusted by arranging the lead screw assembly on the connecting part of the special clamp, so that the clamping jaws can adapt to trays of various sizes, meanwhile, the stressed contact area of the trays is increased by synchronously taking and placing the front clamping part and the rear clamping part, the center of gravity of a battery in the tray is stabilized, and the battery is prevented from falling out of the tray.

Description

Defective battery discharging device on battery production line and working method

Technical Field

The invention belongs to the field of fire-fighting equipment, and particularly relates to a problematic battery discharging device on a battery production line and a working method.

Background

Along with the encouragement of new energy in China, the electric energy battery becomes a favorite in the market, the electric energy battery is various in variety, the electric battery is most widely used as a lithium battery, the internal resistance in the battery is small, the self-discharge is larger compared with a common battery, the internal materials are lithium manganate, cobalt lithium, lithium iron and carbon elements, no heavy metal is contained, no pollution is caused to the environment after the waste, and the charge-discharge cycle performance is good; therefore the lithium cell has received the mass production of midnight and middle-sized enterprise energetically, some current midnight and middle-sized enterprises lack in the production process and get the instrument of putting to the special use of problem lithium cell, adopt and think that the problem lithium cell then goes to the instrument of looking for the unusual battery of detachable, because the problem battery is fast after electrical test, if handle untimely can cause the intensity of a fire in later stage to stretch, secondly because the lithium cell is put the conveying on the battery tray, when putting together with battery and tray and getting, the battery that makes the burning easily falls out of the tray owing to inertia or the problem of taking the tray angle in taking trend pond in-process, cause the danger of fire fighter's burn scald, also cause certain threat to other staff in the workshop.

Disclosure of Invention

The purpose of the invention is as follows: the battery blanking device and the working method solve the problems in the prior art.

The technical scheme is as follows: the utility model provides a problem battery unloader on battery production line, sets up on battery conveying production line, carries out the unloading operation to the problem battery that does not pass electrical test, includes:

the battery conveying device comprises a linear guide rail assembly, a mechanical arm and a special clamp, wherein the linear guide rail assembly is arranged on one side of a battery conveying machine body;

and one side of the linear guide rail group is provided with a linear driving device and a positioning mechanism, and the linear driving device is communicated with a control system.

In a further embodiment, the robotic arm comprises: the clamping device comprises a base clamped on the linear guide rail, a first rotating joint component fixedly connected to the base, a hydraulic lifting rod arranged on the first rotating joint, a first rotating joint component hinged to one end of a piston rod of the hydraulic lifting rod, a rotating motor fixedly connected to one end of a second rotating joint, and a rotating arm fixedly connected to the output end of the rotating motor, wherein a special clamp is fixedly arranged at one end of the rotating arm, and the mechanical arm is driven by a linear driving device to move at a clamping position; the power of hydraulic pressure pole output drives the second and rotates the joint and rotate and the adjustment of special fixture angle, and the rotating electrical machines drives special fixture and carries out the rotation of 0 to 360 orientation.

In a further embodiment, the dedicated jig comprises: the connecting part is fixedly installed on the rotating arm, one side of the connecting part is provided with a slide rail, a screw rod assembly arranged on the connecting part, a first installation block and a second installation block which are symmetrically installed at two ends of the connecting part and installed on the screw rod assembly, the second installation block is fixedly connected with a screw rod nut, one end of the screw rod is provided with a servo motor, a power output end of the servo motor is fixedly connected with the screw rod, and the second installation block is driven by the servo motor to reciprocate on the slide rail of the connecting part along with the rotation of the screw rod; the tops of the first mounting block and the second mounting block are respectively provided with a clamping jaw assembly and a driving motor;

the jaw assembly includes: the device comprises a mounting shell fixedly mounted on a first mounting block and a second mounting block, a driving motor output shaft inserted through the mounting shell, a cam gear meshing body connected to one end of the driving motor output shaft, a first transmission shaft inserted through the cam gear meshing body, semicircular master gears arranged at two ends of the first transmission shaft, semicircular slave gears matched with the semicircular master gears, a second rotating shaft sleeved on the semicircular slave gears and arranged in parallel with the first transmission shaft, and two clamping parts connected below a semicircular combined gear set; the output shaft of the driving motor rotates to drive the cam gear meshing body to rotate, so as to drive the first transmission shaft fixedly inserted in the cam gear meshing body to rotate, and further to drive the semi-circle main gears at two sides of the first transmission shaft to drive the semi-circles to rotate in the same direction from the gears, and finally, the relative movement of two clamping parts connected below the semi-circle combined gear set is realized to clamp and place the edge of the tray row; the first transmission shaft and the second transmission shaft are both arranged in the mounting shell; the clamping parts are divided into two groups.

In a further embodiment, the battery transfer body comprises: the base, install the support on the base, fixed connection is the base plate on the conveyer belt support, fixed mounting is the assembly line transmission line on the base plate, the fire control transmission line of fixed mounting on the base member.

In a further embodiment, the pipeline transmission line comprises: the conveying device comprises a production line supporting assembly fixedly arranged on a substrate, a plurality of rolling carrier rollers inserted in the production line supporting assembly, and first conveying belt groups symmetrically arranged on two sides of the production line supporting assembly and in transmission connection with the rolling carrier rollers; one end transmission of roll bearing roller is connected first driving motor group, and then the roll bearing roller transmission that first driving motor's power passed through to the conveyer belt on for first conveyer belt group is in the circulation rotation on assembly line supporting component.

In a further embodiment, the fire delivery line includes: the fire fighting support assembly is fixedly arranged on the base, the rolling carrier rollers are inserted into the fire fighting support assembly, the second conveyor belt group is arranged on the fire fighting support assembly and is in transmission connection with the rolling carrier rollers, and the second driving motor group is in transmission connection with one end of each rolling carrier roller; and then the power of second driving motor group passes through on the roll bearing roller transmits to the second conveyer belt group for second conveyer belt group is at fire control supporting component last circulation rotation.

In a further embodiment, a temperature detection camera device is further arranged in the control system, the temperature detection camera device is a plurality of infrared cameras arranged above the transmission line of the assembly line, the infrared cameras are communicated with the control system, and then the control system tracks and positions problem points appearing in the infrared cameras, so that the position of the mechanical arm is controlled.

In a further embodiment, a conveying tray with an identification code and a positioning device for scanning the identification code are further arranged on the first conveying belt group, the positioning device is a laser scanner, the laser scanner is arranged on one side of a production line conveying line, and lithium batteries are placed on the conveying tray; and the edge of the tray is provided with a bending groove matched with the clamping part.

In a further embodiment, an explosion proof enclosure is placed on the second conveyor belt, the explosion proof enclosure comprising: the box body, the hinged door arranged on the box body and the pneumatic hinge device arranged on the other side of the hinged door; a water tank is arranged in the box body, and a barrier strip matched with the tray is arranged on the hinged door; gaps are formed between the barrier strips and the hinged door, the thickness of each gap is equal to that of the tray, and the bottom of each gap is provided with a pressure sensor; pneumatic hinge device includes: the hinge bases are symmetrically arranged on two sides in the box body, and the stroke air cylinders are connected to the hinge bases, and piston rods of the stroke air cylinders are connected to one side of the hinge door; the stroke cylinder drives the hinged door to perform reciprocating opening and closing movement; the controller is used for driving the stroke air cylinders on two sides in the pneumatic hinge device to open; the hinged door rotates inwards to enable the batteries in the tray to be automatically overturned into the water tank in the box body;

the height of the hinged door is greater than the distance from the top of the box body to the water tank, the length of the hinged door is equal to that of the box body, and a matched sealing frame is arranged at the closed position of the hinged door and the box body;

a pressing device is also arranged above the box body; the pressing device includes: the lifting cylinder is fixedly installed at the top of the box body, the pressing plate is connected to one end of a piston rod of the lifting cylinder, and the piston rod of the lifting cylinder drives the pressing plate to move up and down.

In a further embodiment, the following working steps are included:

s1, communicating a plurality of infrared cameras with an image detection system to perform temperature shooting on lithium batteries on a production line, and if abnormal temperature lithium batteries are found, positioning a tray where a problem battery is located;

s2, the image detection system marks and tracks the problem tray, the image detection system is communicated with the control system, the first driving motor set of the first conveyor belt set at the position of the problem tray is suspended for conveying, and the second driving motor set is started to drive the explosion-proof box on the second conveyor belt set to rapidly move to the position below the problem tray;

s3, the control system simultaneously controls the linear driving device to start, and the mechanical arm clamped on the linear guide rail set is operated to the problem tray;

s4, operating the mechanical arm hydraulic lifting rod and the rotating motor to the problem tray to be started simultaneously, adjusting the special clamp on the rotating arm to be positioned above the problem tray, clamping the problem tray by the special clamp, and clamping the problem tray to the hinged door to be loosened;

s5, the problem tray slides downwards along the hinged door, the problem tray slides to the bottom of the gap, the pressure sensor in the gap detects the problem tray, and then the stroke cylinder is controlled to stretch and retract to drive the hinged door to move inwards to close the hinged door, so that the lithium battery on the problem tray is turned into water;

s6, controlling the lifting cylinder to start after the hinged door is closed, driving the pressing plate to move downwards by a piston rod of the lifting cylinder, and pressing the lithium battery in water by the pressing plate; meanwhile, a second driving motor set is started to drive the explosion-proof box which is provided with the lithium battery with the problem and arranged on a second conveyor belt set to be sent out of the battery conveyor body, and a new explosion-proof box is placed on the second conveyor belt set again; and normally starting the first driving motor set to recover the first conveying belt set conveying process.

Has the advantages that: compared with the traditional lithium battery fire extinguishing device, the invention has the following advantages:

1. the distance between the clamping jaws can be adjusted by arranging the lead screw component on the connecting part of the special clamp, so that the clamping jaws are suitable for trays with various sizes, and meanwhile, the stressed contact area of the tray is increased by synchronously taking and placing the front clamping part and the rear clamping part, so that the tray is kept on a stable horizontal plane in the moving process, the gravity center of the battery is further stabilized, and the battery is prevented from falling out of the tray;

2. the battery conveying machine body is provided with the double conveying mechanisms, the lithium battery production line and the fire-fighting conveying line are synchronously arranged, the fire-fighting path and the waiting time are shortened for the fire scene of the production line, the battery conveying machine body is provided with the linear motion mechanism, and the mechanical arm is arranged on the linear guide rail assembly and is simultaneously linked with the infrared camera and the positioning mechanism in a communication way to realize the intelligent positioning and unmanned fire-fighting operation of the lithium battery with problems; meanwhile, automatic special fixtures are adopted to automatically take and place the tray where the problem battery is located;

3. set up simple structure at the fire control transfer chain, degree of automation is high and explosion-proof case of response speed, realizes automatic unloading with the arm linkage and puts out a fire, does not influence whole lithium cell production line and is producing efficiency.

Drawings

Fig. 1 is a schematic structural diagram of a battery conveyor body according to the present invention.

Fig. 2 is a schematic structural view of the linear guide rail set of the present invention.

Fig. 3 is a schematic view of the construction of the robot arm of the present invention.

Fig. 4 is a schematic structural diagram of the explosion-proof box of the invention.

Fig. 5 is a perspective view of the explosion proof tank of the present invention.

Fig. 6 is a schematic view of the construction of the hinged door of the present invention.

Figure 7 is a schematic view of the use of the tray and hinged door of the present invention.

Fig. 8 is a schematic structural view of the connecting portion of the present invention.

Figure 9 is a side view of the jaw assembly of the present invention.

Figure 10 is a schematic view of the jaw assembly of the present invention.

The reference signs are: the fire fighting equipment comprises a battery conveyor body 1, a base 10, a support 11, a base plate 12, a line conveyor line 14, a first conveyor belt group 16, a first driving motor group 17, a fire fighting conveyor line 2, a fire fighting support assembly 20, a second conveyor belt group 21, a second driving motor group 22, a linear guide rail group 30, a base 31, a robot arm 32, a first rotating joint 320, a hydraulic lifting rod 3201, a second rotating joint 321, a rotating motor 322, a rotating arm 323, a special fixture 33, a connecting part 330, a lead screw assembly 331, a first mounting block 332, a second mounting block 333, a servo motor 334, a clamping jaw assembly 335, a mounting shell 3350, a driving motor output shaft 3351, a cam gear engagement body 3352, a first driving shaft 3353, a semi-circular main gear 3354, a semi-circular slave gear 3355, a second rotating shaft 3356, a clamping part 3357, a driving motor 336, a box body 4, a hinged door 40, a pneumatic hinge device 41, a hinged seat 410, stroke cylinder 411, piston rod 412, water tank 42, pressing device 43, lifting cylinder 430, pressing plate 431, sealing frame 44, barrier strip 45, gap 46, pressure sensor 47, tray 48 and lithium battery 49.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the invention.

The rise of the power energy industry, make lithium battery power device receive popular favor, because the supervision of market supervision department to lithium battery manufacturer is poor, the manufacturer of producing lithium cell on the market is uneven, lithium cell fire accident frequently receives social attention, the most common reason of lithium cell fire reason is that the inside diaphragm that production technology leads to damages, therefore often can sieve out the lithium cell that the inside diaphragm damaged on detecting the production line, lithium cell fires at first inside burning, so inside naked eye can not be respectively the lithium cell of inferiority still convey on the production line, caused the hysteresis quality of finding problem battery processing, the applicant finds that some current small and medium-sized enterprises lack the training to staff lithium cell fire control knowledge in the production process, and then lead to the lithium cell not using the correct fire control method to put out a fire to the lithium cell that fires and the equipment that special lithium cell put out a fire is few or far away from the problem lithium cell can's unable to put out a fire when firing, the lithium cell is few Play the promptness and put out a fire, cause the intensity of a fire in later stage to stretch, secondly lithium cell burning time short speed piece, other lithium cell burning on the production line can be led to fire in the discovery untimely, and then increase the degree of difficulty of putting out a fire.

Secondly some current middle-sized and small enterprises lack the instrument of getting to the dedicated of getting of problem lithium cell in process of production, adopt and think that the problem lithium cell then goes to look for the instrument of the unusual battery of detachable, because the problem battery is combustion rate fast behind electrical property test, if handle untimely can cause the intensity of a fire in later stage to stretch, secondly because the lithium cell is put on the battery tray and is conveyed, when taking together with battery and tray, in the trend of taking the fire-fighting pond in-process because inertia or the problem of taking the tray angle makes the battery of burning drop out the tray easily outside, cause the danger of fire fighter's burn scald, also cause certain threat to other staff in the workshop.

As shown in fig. 1 to 10, the battery discharging device for battery production line with problems is used in cooperation with a battery conveying machine body, and comprises: the linear guide rail assembly 30, the base 31, the robot arm 32, the first rotary joint 320, the hydraulic lift lever 3201, the second rotary joint 321, the rotary motor 322, the rotary arm 323, the special fixture 33, the connecting part 330, the screw assembly 331, the first mounting block 332, the second mounting block 333, the servo motor 334, the jaw assembly 335, the mounting housing 3350, the driving motor output shaft 3351, the cam gear engagement body 3352, the first transmission shaft 3353, the semicircular main gear 3354, the semicircular sub gear 3355, the second rotation shaft 3356, the clamping part 3357, and the driving motor 336.

The blanking device 33 is arranged on a battery conveying production line and is used for carrying out blanking operation on the problem batteries which fail to pass the electrical property test; the battery transfer body includes: the device comprises a battery conveyor body 1, a base 10, a support 11, a base plate 12, a production line conveyor line 14, a first conveyor belt group 16, a first driving motor group 17, a fire-fighting conveyor line 2, a fire-fighting support assembly 20, a second conveyor belt group 21, a second driving motor group 22, a box body 4, a hinged door 40, a pneumatic hinge device 41, a hinged seat 410, a stroke cylinder 411, a piston rod 412, a water tank 42, a pressing device 43, a lifting cylinder 430, a pressing plate 431, a sealing frame 44, a barrier strip 45, a gap 46, a pressure sensor 47, a tray 48 and a lithium battery 49.

The linear guide rail assembly 30 is arranged on one side of the battery conveying machine body, the mechanical arm 32 is arranged on a base 31 on the linear guide rail assembly 30 in a transmission mode, and the special clamp 33 is fixedly arranged at a power output end on the mechanical arm 32; a linear driving device and a positioning mechanism are arranged on one side of the linear guide rail group 30, the positioning mechanism is a grating assembly, and the position of the mechanical arm 32 can be sent to a control system, so that the mechanical arm 32 can be positioned at high precision; the linear driving device is communicated with the control system; the lithium battery is manually placed in a special fire fighting device when the lithium battery is on fire in the existing enterprises, so that the fire fighting speed is reduced and the possibility of personal injury is caused under the condition that the ignition point is too far away from the fire fighting device, and the phenomenon can be avoided by adopting a mechanical fire fighting blanking device; the robot arm 32 includes: the clamping device comprises a first rotating joint 320 component fixedly connected to a base 31, a hydraulic lifting rod 3201 installed on the first rotating joint 320, a first rotating joint 320 component hinged to one end of a piston rod 412 of the hydraulic lifting rod 3201, a rotating motor 322 fixedly connected to one end of a second rotating joint 321, and a rotating arm 323 fixedly connected to the output end of the rotating motor 322, wherein a special clamp 33 is fixedly installed at one end of the rotating arm 323, and then the mechanical arm 32 is driven by a linear driving device to realize the movement of a clamping position; the power of hydraulic pressure lever 3201 output drives second revolute joint 321 and rotates and the adjustment of special fixture 33 angle, and rotating electrical machines 322 drives special fixture 33 and carries out the rotation of 0 to 360 orientation for the tray bottom of pressing from both sides and the hinged door 40 in the explosion-proof box correspond and place, make explosion-proof box can detect the problem battery that the conveying was come and the tray can trigger the automation equipment in the explosion-proof box.

And a linear driving device and a positioning mechanism are arranged on one side of the linear guide rail group 30, and the linear driving device is communicated with a control system. The exclusive jig 33 includes: the connecting part 330 is fixedly mounted with the rotating arm 323, one side of the connecting part 330 is provided with a slide rail, a lead screw component 331 arranged on the connecting part 330, and a first mounting block 332 and a second mounting block 333 which are symmetrically mounted at two ends of the connecting part 330 and are mounted on the lead screw component 331, the second mounting block 333 is fixedly connected with a lead screw nut, one end of the lead screw is provided with a servo motor 334, a power output end of the servo motor is fixedly connected with the lead screw, and then the second mounting block 333 reciprocates on the slide rail of the connecting part 330 along with the rotation of the lead screw under the driving of the servo motor 334; the top of the first mounting block 332 and the second mounting block 333 are mounted with a jaw assembly 335 and a drive motor 336.

Considering that the existing clamping jaw assembly is single in contact point with the tray and is difficult to adapt to clamping of trays with various sizes in the process that the battery moves along with the tray, and secondly, the contact area of the clamping jaw and the tray is small, so that the stability of the horizontal plane of the clamping jaw and the tray is difficult to ensure in the moving process, and further, whether the battery in the tray ensures a stable gravity center or not is difficult to ensure; the jaw assembly 335 includes: a mounting housing 3350 fixedly mounted to the first and

second mounting blocks

332 and 333 is inserted through the driving motor 336 of the mounting housing 3350. The output shaft 3351 is connected to the drive motor 336. A cam gear engaging body 3352 at one end of the output shaft 3351, a first transmission shaft 3353 inserted through the cam gear engaging body 3352, a semicircular master gear 3354 arranged at both ends of the first transmission shaft 3353, a semicircular slave gear 3355 adapted to the semicircular master gear 3354, a second rotating shaft 3356 sleeved on the semicircular slave gear 3355 and arranged in parallel with the first transmission shaft 3353, and two clamping parts 3357 connected below the semicircular combined gear set; thereby driving the motor 336. The output shaft 3351 rotates to drive the cam gear meshing body 3352 to rotate, so as to drive the first transmission shaft 3353 fixedly inserted in the cam gear meshing body 3352 to rotate, further drive the semi-circular main gears 3354 at two sides of the first transmission shaft 3353 to drive the semi-circular driven gears 3355 to rotate in the same direction, and finally realize the relative movement of two clamping parts 3357 connected below the semi-circular combined gear set so as to clamp the edge of the tray row; the first and second rotating

shafts

3353 and 3356 are both provided in the mounting housing 3350; the clamping portions 3357 are two sets. Through connecting portion 330 sets up the distance between the adjustable clamping jaw of lead screw assembly 331 on special fixture 33, make the clamping jaw adapt to the tray of multiple size, adopt simultaneously around the double-layered tight portion 3357 to get in step and put the atress area of contact who increases and be greater than the tray, make the tray keep stable horizontal plane at the removal in-process, and then stabilize the battery focus, prevent that the battery from dropping out the tray, reduce personnel and scald and equipment and product loss.

The battery conveying machine body 1 is used for conveying the lithium battery subjected to electrical detection, the lithium battery is electrified to cause internal temperature rise so as to expand material reaction, and a long-time external short circuit generally causes connection weak points in a circuit to be burnt, so that oxygen-free combustion in the battery is difficult to discover at first time; set up fire control transmission line 2 through the below at battery conveying organism 1 and be used for timely response lithium cell burning problem, the lithium cell of conveying is detected in the top of battery conveying organism 1 to infrared camera setting, and the one side tracking problem battery of unloader transmission installation on battery conveying organism 1 and press from both sides the problem battery to the fire control transmission line 2 of below.

Compared with the traditional battery conveying machine body 1, the fire-fighting conveying line 2 is arranged below the machine body so as to rapidly respond to a blanking device; the problem of the lithium cell when appearing on fire not use correct fire control method to put out a fire the lithium cell on fire and special lithium cell put out a fire the equipment of putting out a fire few or apart from the problem lithium cell far away can't play the timeliness and put out a fire, cause the condition that the intensity of a fire of later stage spreads is solved. The battery transfer body 1 includes: the conveying device comprises a base 10, a bracket 11 arranged on the base 10, a base plate 12 fixedly connected to the conveying belt bracket 11, a production line conveying line 14 fixedly arranged on the base plate 12, a plurality of rolling carrier rollers inserted on the production line conveying line 14, and first conveying belt groups 16 symmetrically arranged on two sides of the production line conveying line 14 and in transmission connection with the rolling carrier rollers; one end of the rolling carrier roller is in transmission connection with a first driving motor set 17, and then the rolling carrier roller through which the power of the first driving motor passes is transmitted to the conveyor belt, so that the first conveyor belt set 16 rotates on the assembly line conveyor line 14 in a circulating mode.

The fire conveyor line 2 comprises: the fire-fighting support assembly 20 is fixedly arranged on the base body, the plurality of rolling carrier rollers are inserted into the fire-fighting support assembly 20, the second conveyor belt group 21 is arranged on the fire-fighting support assembly 20 and is in transmission connection with the rolling carrier rollers, and the second driving motor group 22 is in transmission connection with one end of each rolling carrier roller; and then the power of the second driving motor group 22 is transmitted to the second conveyor belt group 21 through the rolling carrier rollers, so that the second conveyor belt group 21 circularly rotates on the fire fighting support assembly 20.

The first driving motor set 17 and the second driving motor set 22 are both communicated with a control system, and automatic intelligent management of transmission and digestion is realized.

Because the starting point of the lithium battery on fire is internal fire, and whether the battery is a problem battery is difficult to judge by naked eyes, the battery is shot by adopting an infrared camera, the battery with the overhigh temperature is screened, the infrared camera is a panoramic camera, the detection range is wide, the infrared camera is communicated with an image detection system, and the image detection system further sends detection data to a control system.

The first conveyor belt group 16 is further provided with a conveying tray with an identification code and a positioning device for scanning the identification code, the positioning device is a laser scanner, and the laser scanner is arranged on one side of the assembly line conveying line 14 and can identify and position the conveying tray; the lithium batteries are placed on the conveying trays, and then move on the first conveying belt set 16 along with the conveying trays.

Some medium and small enterprises lack the training to staff lithium cell fire control knowledge in process of production, the lithium cell belongs to anaerobic combustion when on fire, and general fire control spray can't play the effect of putting out a fire, can cause the possibility of explosion under the extreme condition, and the lithium cell that will catch fire of current fire extinguishing method is taken to the dedicated water tank 42 in workshop and is reduced the temperature, but gets to wait for, extrusion and the collision of lithium cell between putting and have the probability that probably aggravate the trigger extreme condition and take place, so getting of the lithium cell that catches fire gets and has certain danger. And the fire-fighting machine special for the lithium battery is expensive in manufacturing cost, and part of small and medium-sized enterprises are difficult to bear or small in purchase quantity.

According to the invention, the fire-fighting transmission line 2 which is simpler in manufacturing cost and is used for extinguishing fire for small and medium-sized lithium batteries is adopted, so that the fire-fighting lithium batteries can be subjected to flame retardance and cooling during the movement period of the fire-fighting lithium batteries, and the extreme phenomenon is avoided; the explosion-proof box is placed on the second conveying belt and moves below the first conveying belt group 16 along with the rotation of the second conveying belt, and the second conveying belt is also provided with a positioning mechanism to ensure the moving precision in the conveying process. The explosion-proof case includes: the box body 4, a hinged door 40 arranged on the box body 4, and a pneumatic hinge device 41 arranged on the other side of the hinged door 40; a water tank 42 is arranged in the box body 4, and a barrier strip 45 matched with the tray is arranged on the hinged door 40; gaps are formed between the barrier strips 45 and the hinged door 40, the thickness of each gap is equal to that of the tray, and the bottom of each gap is provided with a pressure sensor; a controller of the pressure sensor electric-connection explosion-proof box is used for clamping one end of the bottom of the tray to form a certain included angle with the hinged door 40 as shown in fig. 7, the special clamp 33 loosens the tray, so that the tray slides to the gap of the bottom along the hinged door 40, the pressure sensor at the bottom of the gap is triggered when the tray slides to the bottom, the pressure sensor feeds back to the controller, and the controller drives the stroke cylinders 411 at two sides in the pneumatic hinge device 41 to be opened; the hinged door 40 is rotated inwards so that the batteries in the tray are automatically turned into the water tank 42 in the box body 4;

the pneumatic hinge device 41 includes: the hinge seats 410 are symmetrically arranged at two sides in the box body, and the stroke air cylinder 411 is connected to the hinge seats 410, and a piston rod 412 of the stroke air cylinder 411 is connected to one side of the hinged door 40; the stroke cylinder 411 drives the hinged door 40 to perform reciprocating opening and closing movement;

when the placed lithium battery belongs to a small battery, the lithium battery is prevented from floating upwards and simultaneously the flame-retardant boiling water is prevented from splashing outside the hinged door or the box body; a pressing device 43 is arranged above the box body 4. The pressing device 43 includes: the lifting cylinder 430 is fixedly arranged at the top of the box body 4, and the pressing plate 431 is connected to one end of the piston rod 412 of the lifting cylinder 430, and the piston rod 412 of the lifting cylinder 430 drives the pressing plate 431 to move up and down. After the hinged door 40 is closed, the controller controls the lifting cylinder 430 to move downwards to press the lithium battery into the water. Ensuring that the lithium battery is in full contact with the water surface, and accelerating the cooling; the size of the pressing plate 431 is equal to that of the water tank, so that the fire-retardant boiling water is prevented from splashing on the hinged door and overflowing outside the box body.

The height of the hinged door 40 is larger than the distance from the top of the box body to the water tank 42, the length of the hinged door 40 is equal to that of the box body 4, and the closed part of the hinged door 40 and the box body 4 is provided with the matched sealing frame 44, so that the later supplement of oxygen is reduced, and the water boiling in the fire fighting process is prevented from overflowing to cause poor contact of equipment.

The working principle is as follows:

the infrared camera is communicated with the image detection system to carry out temperature shooting on the lithium battery on the production line, and if the lithium battery with abnormal temperature is found, the tray where the battery with the problem is located is positioned; the image detection system marks and tracks the problem tray, communicates with the control system, suspends the first driving motor set 17 of the first conveyor belt set 16 at the position of the problem tray, starts the second driving motor set 22 to drive the explosion-proof box on the second conveyor belt set 21 to rapidly move to the position below the problem tray; the control system simultaneously controls the linear driving device to start, and the mechanical arm 32 clamped on the linear guide rail group 30 is operated to the problem tray; the mechanical arm 32, which runs to the problem tray, is started by the hydraulic lifting rod 3201 and the rotating motor 322 simultaneously, the special clamp 33 on the adjusting rotating arm 323 is positioned above the problem tray, the special clamp 33 clamps the problem tray, and the problem tray is clamped to the hinged door 40 and then released; the problem tray slides downwards along the hinged door 40, the problem tray slides to the bottom of the gap, the pressure sensor in the gap detects the problem tray, and then the stroke cylinder 411 is controlled to stretch and retract to drive the hinged door 40 to move inwards to close the hinged door 40, so that the lithium battery on the problem tray is turned into water; after the hinged door 40 is closed, the lifting cylinder 430 is controlled to be started, the piston rod 412 of the lifting cylinder 430 drives the pressing plate 431 to move downwards, and the lithium battery is pressed in water by the pressing plate 431; meanwhile, a second driving motor set 22 is started to drive the explosion-proof box on the second conveyor belt set 21, which is to be provided with the lithium battery with the problem, to be sent out of the battery conveyor body 1, and a new explosion-proof box is placed on the second conveyor belt set 21 again; the first driving motor set 17 is normally started to resume the first conveyor belt set 16 conveying process.

According to the invention, a double-conveying mechanism is arranged in the battery conveying machine body 1, the production line of the lithium battery 49 and the fire-fighting conveying line are synchronously arranged, the fire-fighting path is shortened, the linear motion mechanism is arranged on the battery conveying machine body 1, the mechanical arm 32 is arranged on the linear guide rail assembly 30, and the intelligent positioning and unmanned fire-fighting operation of the lithium battery 49 with problems is realized by adopting the communication linkage with the infrared camera and the positioning mechanism; meanwhile, the tray 48 with the problem battery is automatically taken and placed by adopting the automatic special clamp 33;

the distance between the clamping jaws can be adjusted by arranging the lead screw component 331 on the connecting part 330 on the special clamp 33, so that the clamping jaws adapt to trays 48 with various sizes, and meanwhile, the stressed contact area of the tray 48 is increased by synchronously taking and placing the front clamping part 3357 and the rear clamping part 3357, so that the tray 48 is kept on a stable horizontal plane in the moving process, the gravity center of a battery is further stabilized, and the battery is prevented from falling out of the tray 48;

set up simple structure at the fire control transfer chain, degree of automation is high and the explosion-proof case of response speed, realizes automatic unloading with the arm 32 linkage and puts out a fire, does not influence whole lithium cell 49 production line and is producing efficiency.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the embodiments, and various equivalent changes can be made to the technical solution of the present invention within the technical idea of the present invention, and these equivalent changes are within the protection scope of the present invention.

Claims

1. The utility model provides a problem battery unloader on battery production line which characterized in that sets up on battery conveying production line, carries out the unloading operation to the problem battery that does not pass electrical test, includes:

2. The defective battery discharging device in a battery production line as claimed in claim 1, wherein the mechanical arm comprises: the clamping device comprises a base clamped on the linear guide rail, a first rotating joint component fixedly connected to the base, a hydraulic lifting rod arranged on the first rotating joint, a first rotating joint component hinged to one end of a piston rod of the hydraulic lifting rod, a rotating motor fixedly connected to one end of a second rotating joint, and a rotating arm fixedly connected to the output end of the rotating motor, wherein a special clamp is fixedly arranged at one end of the rotating arm, and the mechanical arm is driven by a linear driving device to move at a clamping position; the power of hydraulic pressure pole output drives the second and rotates the joint and rotate and the adjustment of special fixture angle, and the rotating electrical machines drives special fixture and carries out the rotation of 0 to 360 orientation.

3. The defective battery discharging device in battery production line as claimed in claim 1, wherein the special fixture comprises: the connecting part is fixedly installed on the rotating arm, one side of the connecting part is provided with a slide rail, a screw rod assembly arranged on the connecting part, a first installation block and a second installation block which are symmetrically installed at two ends of the connecting part and installed on the screw rod assembly, the second installation block is fixedly connected with a screw rod nut, one end of the screw rod is provided with a servo motor, a power output end of the servo motor is fixedly connected with the screw rod, and the second installation block is driven by the servo motor to reciprocate on the slide rail of the connecting part along with the rotation of the screw rod; the tops of the first mounting block and the second mounting block are respectively provided with a clamping jaw assembly and a driving motor;

4. The defective battery discharging device in battery production line as claimed in claim 1, wherein the battery conveying body comprises: the base, install the support on the base, fixed connection is the base plate on the conveyer belt support, fixed mounting is the assembly line transmission line on the base plate, the fire control transmission line of fixed mounting on the base member.

5. The defective battery discharging device in battery production line as claimed in claim 4, wherein the line conveying line comprises: the conveying device comprises a production line supporting assembly fixedly arranged on a substrate, a plurality of rolling carrier rollers inserted in the production line supporting assembly, and first conveying belt groups symmetrically arranged on two sides of the production line supporting assembly and in transmission connection with the rolling carrier rollers; one end transmission of roll bearing roller is connected first driving motor group, and then the roll bearing roller transmission that first driving motor's power passed through to the conveyer belt on for first conveyer belt group is in the circulation rotation on assembly line supporting component.

6. The defective battery discharging device of claim 4, wherein the fire-fighting conveyor line comprises: the fire fighting support assembly is fixedly arranged on the base, the rolling carrier rollers are inserted into the fire fighting support assembly, the second conveyor belt group is arranged on the fire fighting support assembly and is in transmission connection with the rolling carrier rollers, and the second driving motor group is in transmission connection with one end of each rolling carrier roller; and then the power of second driving motor group passes through on the roll bearing roller transmits to the second conveyer belt group for second conveyer belt group is at fire control supporting component last circulation rotation.

7. The device for discharging the defective battery on the battery production line according to claim 1, wherein a temperature detection camera is further disposed in the control system, the temperature detection camera is a plurality of infrared cameras disposed above the transmission line of the production line, the plurality of infrared cameras are communicated with the control system, and the control system tracks and positions the defective point appearing in the infrared camera, so as to control the position of the mechanical arm to move.

8. The defective battery discharging device in the battery production line as claimed in claim 5, wherein the first conveyor belt group is further provided with a conveying tray with an identification code and a positioning device for scanning the identification code, the positioning device is a laser scanner, the laser scanner is arranged on one side of the conveying line, and the conveying tray is used for accommodating the lithium battery; and the edge of the tray is provided with a bending groove matched with the clamping part.

9. The problematic battery discharging device of claim 6, wherein an explosion-proof box is placed on the second conveyor belt, and the explosion-proof box comprises: the box body, the hinged door arranged on the box body and the pneumatic hinge device arranged on the other side of the hinged door; a water tank is arranged in the box body, and a barrier strip matched with the tray is arranged on the hinged door; gaps are formed between the barrier strips and the hinged door, the thickness of each gap is equal to that of the tray, and the bottom of each gap is provided with a pressure sensor; pneumatic hinge device includes: the hinge bases are symmetrically arranged on two sides in the box body, and the stroke air cylinders are connected to the hinge bases, and piston rods of the stroke air cylinders are connected to one side of the hinge door; the stroke cylinder drives the hinged door to perform reciprocating opening and closing movement; the controller is used for driving the stroke air cylinders on two sides in the pneumatic hinge device to open; the hinged door rotates inwards to enable the batteries in the tray to be automatically overturned into the water tank in the box body;

10. The working method of the defective battery discharging device on the battery production line based on the claim 1 is characterized by comprising the following working steps: