CN110813789A - Automatic voltage measurement and code reading weighing machine for lithium ion battery and working method - Google Patents
Automatic voltage measurement and code reading weighing machine for lithium ion battery and working method Download PDFInfo
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- CN110813789A CN110813789A CN201810907183.3A CN201810907183A CN110813789A CN 110813789 A CN110813789 A CN 110813789A CN 201810907183 A CN201810907183 A CN 201810907183A CN 110813789 A CN110813789 A CN 110813789A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/16—Sorting according to weight
- B07C5/28—Sorting according to weight using electrical control means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/02—Measures preceding sorting, e.g. arranging articles in a stream orientating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
- B07C5/3412—Sorting according to other particular properties according to a code applied to the object which indicates a property of the object, e.g. quality class, contents or incorrect indication
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
- B07C5/344—Sorting according to other particular properties according to electric or electromagnetic properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/361—Processing or control devices therefor, e.g. escort memory
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/361—Processing or control devices therefor, e.g. escort memory
- B07C5/362—Separating or distributor mechanisms
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Abstract
The invention relates to a lithium ion battery automatic voltage measurement code reading weighing machine and a working method thereof. A working method of a lithium ion battery automatic voltage measurement code reading weighing machine comprises five working steps: firstly, installing and adjusting a positioning die; the second step is that: measuring voltage and internal resistance; the third step: collecting bad batteries; the fourth step: identifying a bad battery; the fifth step: and conveying the low-liquid battery to a conveyor belt for I-type qualified products. The invention can monitor the parameters of the battery such as voltage, internal resistance and weight in real time; the OCV point-to-point follow-up of the battery is realized.
Description
Technical Field
The invention relates to a processing device of a lithium ion battery, in particular to an automatic voltage measurement and code reading weighing machine of the lithium ion battery and a working method.
Background
Because the existing process does not have the voltage measurement code reading weighing and sorting equipment, the following defects exist: the voltage, internal resistance and weight of each battery cannot be visually seen; the situation of point-to-point follow-up of the liquid injection amount of the battery cannot be realized;
the cells with poor low voltage, zero voltage and code carving can not be selected; battery OCV voltage point-to-point follow-up cannot be achieved.
Disclosure of Invention
The invention aims to solve the problems and provides a lithium ion battery automatic voltage measurement and code reading weighing machine and a working method.
The technical scheme adopted by the invention is as follows:
a lithium ion battery automatic voltage measurement code reading weighing machine comprises a main rotary table, a waterwheel type feeding device, a voltage measurement internal resistance device, a code reading device, a defective product taking device, a code reading defective conveying belt, a zero-voltage and low-voltage conveying belt, an electronic scale feeding device, a qualified product taking device, a class I voltage qualified product conveying belt, a class I voltage qualified product receiving device, a weighing defective product taking device, a weighing defective product conveying belt, a class II voltage qualified product conveying belt and a class II voltage qualified product receiving device, wherein the main rotary table is provided with four stations, the waterwheel type feeding device is arranged on the outer side of a first station A of the main rotary table, the voltage measurement internal resistance device and the code reading device are arranged on the outer side of a second station B, the defective product taking device, the code reading defective conveying belt and the zero-voltage and low-voltage conveying belt 7 are arranged on the outer side of a third station C, and the electronic scale feeding device, Qualified product extracting device, class I voltage qualified product conveyer belt, class I voltage qualified product material collecting device, defective product extracting device weighs, defective product conveyer belt weighs, class II voltage qualified product conveyer belt and class II voltage qualified product material collecting device establish in the outside and the top of fourth station C.
One side of the waterwheel type feeding device is provided with a feeding device for supplying workpieces to the waterwheel type feeding device, and the other side of the waterwheel type feeding device is provided with a taking device for taking out the batteries and sending the batteries to a positioning die of the main turntable.
A working method of a lithium ion battery automatic voltage measurement code reading weighing machine comprises the following working steps:
the first step is as follows: firstly, a matched positioning die is installed and adjusted in a mode changing mode, then batteries are stacked on a carrying pallet of a waterwheel type feeding belt, the stacking height of the batteries is not more than three-fourths of the distance between the carrying pallets of the belt, a starting button is clicked, a motor drives the belt to rotate, when the batteries reach a laser sensor sensing area, the belt stops, the batteries are corrected and positioned by a top correcting and side correcting device, after two belts reach the sensing area and stop, the batteries of the two belts are simultaneously taken out by a material taking device on the side edge and sent to a positioning die of a main turntable, and after one battery is taken out, the belt rises by a battery thickness distance;
the second step is that: the battery is placed in a die, after the optical fiber sensing battery at the bottom of the die is in place, the main turntable rotates for one station to reach a second station, at the moment, the automatic code reading device reads the code of the battery, reads the battery number of the battery and the basic information of the dry weight of the battery, and then the voltage and internal resistance measuring device starts to measure the voltage and internal resistance of the battery;
the third step: when the processes of reading codes and measuring voltage are finished, the main turntable rotates to a third station, and when the condition that a low-voltage, zero-voltage and code-reading defective battery exists in the previous station is detected, the defective product taking device takes out the defective battery from the main turntable mold according to a signal given by the PLC and puts the defective battery on a defective belt to be conveyed to a defective battery collecting box;
the fourth step: when a bad battery core is taken out, the turntable rotates to a fourth station, the weighing and feeding device takes out the battery in the main turntable mold and sends the battery to the weighing electronic scale, the electronic scale uploads weighing information to the computer, the PLC automatically calculates the actual liquid injection amount of the battery according to the weight standard established by the process and the read dry weight information of the battery, and identifies the batteries with more liquid and less liquid;
the fifth step: after weighing, if there are few liquid and many liquid defective batteries, the qualified product taking device firstly sends the few liquid batteries onto the I-type qualified product conveying belt, at the moment, the weighing defective product taking device takes out the few liquid batteries and sends the few liquid batteries onto the weighing defective product conveying belt, if there are no few liquid batteries, the qualified product taking device can respectively send the batteries onto the I-type voltage qualified product receiving conveying belt and the II-type voltage qualified product receiving conveying belt according to the voltage value classification measured by the second station, and then the batteries automatically flow into the I-type voltage qualified product receiving device and the II-type voltage qualified product receiving device. Therefore, the automatic voltage measurement, code reading, weighing and sorting actions are completed.
The waterwheel type feeding device is a device with an inclined installation angle of 15 degrees, a speed regulating motor drives a belt to rotate circularly, and a battery is placed on a belt supporting plate to rotate along with the belt supporting plate. The waterwheel type feeding device adopts double synchronous belts as the load-carrying belts, the in-place precision is effectively guaranteed, four load-carrying supporting plates are arranged on each belt, the distances among the supporting plates are equal, the circular feeding can be realized, laser sensors are arranged on two sides of the top of each belt, and the automatic stopping of the battery after the battery is in place can be realized. The two sides of the top of the belt are also provided with the correcting devices, and after the battery stops in place, the battery is corrected by the correcting devices, so that the central line of the battery is effectively ensured to be parallel and level with the central line of the main turntable die.
The invention has the beneficial effects that: after the automatic voltage measurement code reading weighing machine is used, the liquid outflow defective rate of the liquid injection part is reduced from 2% to 0.2%; the fraction defective of the liquid injection part caused by zero pressure outflow is reduced from 2.5 percent to 0.5 percent; the low-pressure outflow defective rate of the liquid injection part is reduced from 2 percent to 0.8 percent; parameters such as voltage, internal resistance and weight of the battery can be monitored in real time; the OCV point-to-point follow-up of the battery is realized.
Drawings
FIG. 1 is a schematic diagram of one embodiment of the present invention.
Detailed Description
As shown in fig. 1, the present invention includes: a lithium ion battery automatic voltage measurement code reading weighing machine comprises a main rotary table 1, a waterwheel type feeding device 2, a voltage and internal resistance measurement device 4, a code reading device 3, a defective product taking device 5, a code reading defective conveying belt 6, a zero-pressure and low-pressure conveying belt 7, an electronic scale 8, an electronic scale feeding device 9, a qualified product taking device 10, a class I voltage qualified product conveying belt 11, a class I voltage qualified product receiving device 12, a weighing defective product taking device 14, a weighing defective product conveying belt 13, a class II voltage qualified product conveying belt 16 and a class II voltage qualified product receiving device 15, wherein the main rotary table 1 is provided with four stations, the waterwheel type feeding device 2 is arranged on the outer side of a first station A of the main rotary table, the voltage and internal resistance measurement device 4 and the code reading device 3 are arranged on the outer side of a second station B, the defective product taking device 5, the code reading defective conveying belt 6 and the zero-pressure and low-pressure conveying belt 7 are arranged on the outer side of a third station C, an electronic scale 8, an electronic scale feeding device 9, a qualified product taking device 10, a class I voltage qualified product conveying belt 11, a class I voltage qualified product receiving device 12, a weighing defective product taking device 14, a weighing defective product conveying belt 13, a class II voltage qualified product conveying belt 16 and a class II voltage qualified product receiving device 15 are arranged on the outer side and the upper side of the fourth station C.
One side of the waterwheel type feeding device 2 is provided with a feeding device for supplying workpieces to the waterwheel type feeding device, and the other side is provided with a taking device for taking out the batteries and sending the batteries to a positioning die of the main turntable.
A working method of a lithium ion battery automatic voltage measurement code reading weighing machine comprises the following working steps:
the first step is as follows: the method comprises the steps of firstly, installing and adjusting a matched positioning die in a remodelling mode, then stacking batteries on a carrying plate of a waterwheel type feeding belt, enabling the stacking height of the batteries to be not more than three quarters of the distance between the carrying plates of the belt, clicking a starting button, driving a belt to rotate by a motor, stopping the belt when the batteries reach a laser sensor sensing area, performing righting and positioning on the batteries by a top righting device and a side righting device, taking out the batteries of two belts singly by a material taking device on the side edge and sending the batteries to the positioning die of a main turntable when the two belts both reach the sensing area and stop, and taking one battery away, wherein the belt rises by a battery thickness distance. The feeding device adopts a waterwheel type mode, so that circular feeding can be realized; the method is inconvenient; the feeding device is provided with the side surface and the top correcting device, so that the center line of the battery after the battery is in place can be parallel and level with the center line of the die of the main turntable, and the accuracy of battery feeding is effectively guaranteed. The traditional device in the prior art is not provided with a side and top correcting device, the battery integrally inclines outwards and changes in left and right positions after moving along with a belt, and the battery is difficult to be fed into a main turntable die when being easily turned and loaded.
The second step is that: the battery is placed in the mold, after the optical fiber sensing battery at the bottom of the mold is in place, the main turntable rotates for one station to reach a second station, at the moment, the automatic code reading device reads the code of the battery, reads the battery number of the battery and the basic information of the dry weight of the battery, and then the voltage and internal resistance measuring device starts to measure the voltage and internal resistance of the battery. After the measurement is finished, the computer can automatically store the measured battery information, calculate the actual liquid injection amount of the battery and upload the obtained information to the MES system. The PLC program can automatically identify normal class I voltage and normal class II voltage, as well as low-voltage and zero-voltage batteries according to the voltage standard established by the process.
The third step: and when the processes of reading the codes and measuring the voltage are finished, the main turntable rotates to a third station, and when the condition that the front station has low voltage, zero voltage and bad battery reading codes is detected, the bad battery is taken out from the main turntable mold according to a signal given by the PLC by the bad product taking device and is placed on a bad belt to be conveyed to the bad battery collecting box. Wherein, the low-voltage and zero-voltage batteries are placed on the same conveyer belt and are manually confirmed by staff by adopting a universal meter. Therefore, the batteries with poor reading codes and low voltage can be sorted out, and the scrapping of the batteries and the complaints of the inside and the outside caused by the flowing of the poor batteries into the post process are avoided.
The fourth step: when a bad battery core is taken out, the turntable rotates to the fourth station, the battery in the main turntable mold is taken out by the weighing and feeding device and then is sent to the weighing electronic scale, the weighing information is uploaded to the computer by the electronic scale, the PLC automatically calculates the actual liquid injection amount of the battery according to the weight standard established by the process and the read dry weight information of the battery, and the multi-liquid battery and the low-liquid battery are identified. The point-to-point weighing of the liquid injection amount of the batteries can be realized, and the actual liquid injection amount of each battery can meet the process standard. The battery with more liquid and less liquid can be identified, the working procedure that defective products flow out when electrolyte is injected is avoided, the detection thickness is reduced, and the reject ratio is low.
The fifth step: after weighing, if there are few liquid and many liquid defective batteries, the qualified product taking device firstly sends the few liquid batteries onto the I-type qualified product conveying belt, at the moment, the weighing defective product taking device takes out the few liquid batteries and sends the few liquid batteries onto the weighing defective product conveying belt, if there are no few liquid batteries, the qualified product taking device can respectively send the batteries onto the I-type voltage qualified product receiving conveying belt and the II-type voltage qualified product receiving conveying belt according to the voltage value classification measured by the second station, and then the batteries automatically flow into the I-type voltage qualified product receiving device and the II-type voltage qualified product receiving device. Therefore, the automatic voltage measurement, code reading, weighing and sorting actions are completed. The battery with less liquid and more liquid can be picked out, and the outflow of defective electrolyte injection products is reduced; the classified collection can be realized according to the voltage of the battery, and the voltage condition of the battery can be well monitored; the qualified product is received and is adopted the automatic material collecting device, can realize automatic material collection, convenient operation receives the material many.
The working principle of the invention is as follows: stacking batteries on a toothed belt supporting plate, clicking a start button, driving a belt to rotate by a speed regulating motor, stopping the belt when the batteries reach a sensor sensing area, simultaneously pressing the batteries by a top correcting device and a side correcting device, taking out the batteries by a feeding and taking device on one side of a waterwheel type feeding device 2 and sending the batteries to a positioning die of a station A of a main rotary disc, rotating the rotary disc to a second station B after the sensors at the bottom of the die sense the batteries, measuring the voltage and internal resistance of the batteries by a voltage and internal resistance measuring device, reading the codes by a code reading device, simultaneously transmitting the read information to an MES system for storage, continuously rotating a third station C by the rotary disc after the station action is completed, and taking out the defective batteries from a clamp and respectively sending the defective batteries to a defective material receiving belt if the defective batteries with low voltage, zero voltage and internal resistance reading exist in the previous station, after the operation is finished, the turntable continues to rotate to a fourth station D, the battery on the die is taken out by the weighing and feeding device and is sent to the electronic scale, the electronic scale weighs the weight of the battery, the battery with less liquid and more liquid is identified, if the battery with less liquid and more liquid exists, the qualified product taking device firstly sends the battery with less liquid to the conveyor belt for the I-type qualified products, the battery with less liquid is taken out by the bad product taking device and is sent to the conveyor belt for the bad products, if the battery with less liquid exists, the qualified product taking device respectively sends the battery to the conveyor belt for the I-type voltage qualified product and the conveyor belt for the II-type voltage qualified product according to the voltage value classification measured by the second station, and then the battery automatically flows into the material receiving device for the I-type voltage qualified products and the material receiving device for the II-. At the moment, the automatic voltage measurement, code reading, weighing and sorting actions are completed.
Claims (3)
1. The utility model provides a lithium ion battery automatic voltage measurement reads sign indicating number weighing machine which characterized in that: including main carousel (1), waterwheel formula loading attachment (2), survey voltage internal resistance device (4), read yard device (3), defective products extracting device (5), read yard defective conveyer belt (6), zero-pressure and low pressure conveyer belt (7), electronic scale (8), electronic scale loading attachment (9), certified products extracting device (10), I class voltage certified products conveyer belt (11), I class voltage certified products receiving device (12), weigh defective products extracting device (14), weigh defective products conveyer belt (13), II class voltage certified products conveyer belt (16) and II class voltage certified products receiving device (15), main carousel (1) on be equipped with four stations, waterwheel formula loading attachment (2) its characterized in that: establish in the outside of the first station A of main rotary table, survey voltage internal resistance device (4) and read sign indicating number device (3) and establish in the outside of second station B, defective products extracting device (5), read sign indicating number defective conveyer belt (6) and zero pressure and low pressure conveyer belt (7) establish in the outside of third station C, electronic scale (8), electronic scale loading attachment (9), certified products extracting device (10), I type voltage certified products conveyer belt (11), I type voltage certified products material collecting device (12), weigh defective products extracting device (14), weigh defective products conveyer belt (13), II type voltage certified products conveyer belt (16) and II type voltage certified products material collecting device (15) establish in the outside and the top of fourth station C.
2. The automatic voltage measurement, code reading and weighing machine for the lithium ion battery according to claim 1, is characterized in that: one side of the waterwheel type feeding device (2) is provided with a feeding device for supplying workpieces to the waterwheel type feeding device, and the other side is provided with a taking device for taking out the batteries and sending the batteries to a positioning die of the main turntable.
3. The working method of the automatic voltage measurement and code reading weighing machine for the lithium ion battery is characterized in that: the method comprises the following working steps:
the first step is as follows: firstly, a matched positioning die is installed and adjusted in a mode changing mode, then batteries are stacked on a carrying pallet of a waterwheel type feeding belt, the stacking height of the batteries is not more than three-fourths of the distance between the carrying pallets of the belt, a starting button is clicked, a motor drives the belt to rotate, when the batteries reach a laser sensor sensing area, the belt stops, the batteries are corrected and positioned by a top correcting and side correcting device, after two belts reach the sensing area and stop, the batteries of the two belts are simultaneously taken out by a material taking device on the side edge and sent to a positioning die of a main turntable, and after one battery is taken out, the belt rises by a battery thickness distance;
the second step is that: the battery is placed in a die, after the optical fiber sensing battery at the bottom of the die is in place, the main turntable rotates for one station to reach a second station, at the moment, the automatic code reading device reads the code of the battery, reads the battery number of the battery and the basic information of the dry weight of the battery, and then the voltage and internal resistance measuring device starts to measure the voltage and internal resistance of the battery;
the third step: when the processes of reading codes and measuring voltage are finished, the main turntable rotates to a third station, and when the condition that a low-voltage, zero-voltage and code-reading defective battery exists in the previous station is detected, the defective product taking device takes out the defective battery from the main turntable mold according to a signal given by the PLC and puts the defective battery on a defective belt to be conveyed to a defective battery collecting box;
the fourth step: when a bad battery core is taken out, the turntable rotates to a fourth station, the weighing and feeding device takes out the battery in the main turntable mold and sends the battery to the weighing electronic scale, the electronic scale uploads weighing information to the computer, the PLC automatically calculates the actual liquid injection amount of the battery according to the weight standard established by the process and the read dry weight information of the battery, and identifies the batteries with more liquid and less liquid;
the fifth step: after weighing, if there are few liquid and many liquid defective batteries, the qualified product taking device firstly sends the few liquid batteries onto the I-type qualified product conveying belt, at the moment, the weighing defective product taking device takes out the few liquid batteries and sends the few liquid batteries onto the weighing defective product conveying belt, if there are no few liquid batteries, the qualified product taking device can respectively send the batteries onto the I-type voltage qualified product receiving conveying belt and the II-type voltage qualified product receiving conveying belt according to the voltage value classification measured by the second station, and then the batteries automatically flow into the I-type voltage qualified product receiving device and the II-type voltage qualified product receiving device, so that the automatic voltage measuring, code reading, weighing and sorting actions are completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810907183.3A CN110813789A (en) | 2018-08-10 | 2018-08-10 | Automatic voltage measurement and code reading weighing machine for lithium ion battery and working method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810907183.3A CN110813789A (en) | 2018-08-10 | 2018-08-10 | Automatic voltage measurement and code reading weighing machine for lithium ion battery and working method |
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| CN110813789A true CN110813789A (en) | 2020-02-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112327178A (en) * | 2020-09-29 | 2021-02-05 | 中国电子科技集团公司第十八研究所 | Battery parameter automatic acquisition system |
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2018
- 2018-08-10 CN CN201810907183.3A patent/CN110813789A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112327178A (en) * | 2020-09-29 | 2021-02-05 | 中国电子科技集团公司第十八研究所 | Battery parameter automatic acquisition system |
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