CN103335798A - Soft package lithium battery airtightness detection machine and method - Google Patents
Soft package lithium battery airtightness detection machine and method Download PDFInfo
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- CN103335798A CN103335798A CN2013102631901A CN201310263190A CN103335798A CN 103335798 A CN103335798 A CN 103335798A CN 2013102631901 A CN2013102631901 A CN 2013102631901A CN 201310263190 A CN201310263190 A CN 201310263190A CN 103335798 A CN103335798 A CN 103335798A
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Abstract
The invention discloses a soft package lithium battery airtightness detection machine. A machine frame of the detection machine is provided with a tray loading assembly, a tray blanking assembly, an NG removing assembly, a tray conveying belt, a loading mechanical hand, a blanking mechanical hand, an airtightness test assembly, a transfer carrying mechanical hand and a code scanning assembly, wherein the code scanning assembly comprises a first CCD (charge coupled device) image sensor used for scanning a battery code of a soft package lithium battery on a tray; the airtightness test assembly comprises a vacuum leak test cavity body, a vacuum pump, a second CCD image sensor and a laser line marker; the vacuum leak test cavity body comprises a lower test cavity body and an upper test cavity body. The soft package lithium battery airtightness detection machine achieves coordination control through a main controller, can be used for efficiently finishing the airtightness detection of the soft package lithium battery, and is novel in structure design, high in automation level, stable and reliable. The invention further discloses a soft package lithium battery airtightness detection method. The method can be used for efficiently finishing the airtightness detection of the soft package lithium battery, and is stable and reliable.
Description
Technical field
The present invention relates to the pick-up unit technical field, relate in particular to a kind of Soft Roll lithium battery impermeability and detect machine and detection method thereof.
Background technology
As a kind of new-type battery structure, the Soft Roll lithium battery applications more and more widely, advantage such as for traditional lithium ion battery, the Soft Roll lithium battery has that volume is little, in light weight, specific energy is high, safe, flexible design.
For guaranteeing the product quality of Soft Roll lithium battery, in Soft Roll lithium battery production preparation process, production firm must carry out corresponding impermeability to the Soft Roll lithium battery to be detected, and namely detects the situation whether the Soft Roll lithium battery exists gas leakage.Impermeability detects as the necessary operation in the Soft Roll lithium battery process of manufacture, how effectively and rapidly the Soft Roll lithium battery is carried out impermeability and detects and become the problem that numerous production firms endeavour to solve.
Summary of the invention
The object of the present invention is to provide a kind of Soft Roll lithium battery impermeability to detect machine, this Soft Roll lithium battery impermeability detects machine can finish the detection of Soft Roll lithium battery impermeability efficiently, the structural design novelty, and automaticity is high and reliable and stable.
Another object of the present invention is to provide a kind of Soft Roll lithium battery air-tightness detection method, this Soft Roll lithium battery air-tightness detection method can be finished Soft Roll lithium battery impermeability efficiently and detect, and is reliable and stable.
For achieving the above object, the present invention is achieved through the following technical solutions.
A kind of Soft Roll lithium battery impermeability detects machine, includes frame, be installed in the charging tray material loading assembly of frame material loading side, be installed in the charging tray blanking assembly of frame blanking side, be positioned at charging tray blanking assembly side and be equiped with NG rejecting assembly, be installed in the charging tray conveying belt of frame top, feeding manipulator between the feed side of charging tray material loading assembly and charging tray conveying belt, blanking mechanical arm between the exit side of charging tray blanking assembly and charging tray conveying belt, be installed in the air tightness test assembly of frame upper end and at the middle part of charging tray conveying belt and the transfer conveying robot between the air tightness test assembly; The side of charging tray conveying belt is equiped with between feeding manipulator and transfer conveying robot and sweeps Code Element, sweeps Code Element and includes first ccd image sensor of encoding for the battery of the Soft Roll lithium battery on the scanning charging tray; The air tightness test assembly includes the vacuum leak detection cavity, the vacuum leak detection cavity is fitted with vacuum pump, the test upper cavity that the vacuum leak detection cavity includes the test lower chamber and is installed in test lower chamber top opening or closing, the test lower chamber is installed in frame, and frame is equiped with the line laser marker that second ccd image sensor and inclination are projeced into the Soft Roll lithium battery in the top of vacuum leak detection cavity; This Soft Roll lithium battery impermeability detection machine is fitted with master controller, and master controller is rejected electrical component with charging tray material loading assembly, feeding manipulator, charging tray conveying belt, first ccd image sensor, transfer conveying robot, vacuum pump, second ccd image sensor, line laser marker, blanking mechanical arm, charging tray blanking assembly, NG respectively and is connected.
Wherein, described NG rejects assembly and includes the NG output band that NG rejects mechanical arm and is positioned at the blowing side of NG rejecting mechanical arm, and NG rejects mechanical arm and is electrically connected with described main control.
Wherein, the drive motor that described charging tray material loading assembly and described charging tray blanking assembly include movable part respectively and be installed in described frame, movable part is fitted with first screw mandrel of vertical extension, the power output shaft of drive motor drives with first screw mandrel and is connected, first screw mandrel is fitted with first feed screw nut who is installed in movable part, the upper end of movable part is provided be used to the bearing surface of taking of taking material bearing disc, and drive motor is electrically connected with described master controller.
Wherein, the front of described charging tray offers two row and is even spaced apart battery standing groove, and described air tightness test assembly includes two second ccd image sensors corresponding with the Soft Roll lithium battery of corresponding line respectively.
Wherein, corresponding described first ccd image sensor of described frame and described second ccd image sensor are equiped with erecting frame respectively, erecting frame is equiped with second screw mandrel of vertical extension, second screw mandrel is fitted with folded feed screw nut, second feed screw nut is equiped with fixed block, and first ccd image sensor and second ccd image sensor are installed in corresponding fixed block respectively.
Wherein, described feeding manipulator, described blanking mechanical arm and described transfer conveying robot include the gas pawl respectively, are installed in the fixed support of described frame, each fixed support is equiped with servomotor respectively, fixed support is fitted with the 3rd screw mandrel, the power output shaft of servomotor drives with corresponding the 3rd screw mandrel and is connected, the 3rd screw mandrel is fitted with the 3rd feed screw nut, the 3rd feed screw nut is fitted with gas pawl fixed mount, the gas pawl is installed in corresponding gas pawl fixed mount, and each servomotor is electrically connected with described master controller respectively.
A kind of Soft Roll lithium battery air-tightness detection method includes following processing step, is specially:
A, Soft Roll lithium battery are positioned in the battery standing groove of charging tray, and feeding manipulator grasps charging tray and the Soft Roll lithium battery is sent to the charging tray conveying belt with charging tray;
B, charging tray move to the below of first ccd image sensor, the battery coding of the Soft Roll lithium battery in first ccd image sensor scanning charging tray battery standing groove with the charging tray conveying belt;
C, the charging tray after the scanning of first ccd image sensor move to transfer conveying robot crawl position with the charging tray conveying belt, and the transfer conveying robot grasps charging tray and is sent to the Soft Roll lithium battery in the test lower chamber of vacuum leak detection cavity with charging tray;
The test upper cavity of d, closed vacuum leak detection cavity, line laser marker are in Soft Roll lithium battery surface portrayal laser rays, and second ccd image sensor is gathered Soft Roll lithium battery surface image signal;
E, start vacuum pump and the inside of vacuum leak detection cavity is vacuumized processing, the atmospheric pressure value of vacuum leak detection inside cavity need reach-90KPa;
Soft Roll lithium battery surface image signal after f, the second ccd image sensor collection distortion, the picture signal that second ccd image sensor was gathered before and after the master controller contrast vacuumized and the horizontal-shift value △ y that calculates laser rays, wherein, calculate the change value of thickness △ x of Soft Roll lithium battery according to the crevice projection angle value β of line laser marker and according to formula △ x=△ y * tan β; When △ x>0.2mm, there is gas leakage in the Soft Roll lithium battery; When △ x<0.2mm, there is not gas leakage in the Soft Roll lithium battery;
After g, test were finished, the test upper cavity of vacuum leak detection cavity was opened, and the transfer conveying robot grasps charging tray and will be sent to the charging tray conveying belt with charging tray through the Soft Roll lithium battery after the airtight test;
H, charging tray move to blanking mechanical arm crawl position with the charging tray conveying belt, and the blanking mechanical arm grasps charging tray and the Soft Roll lithium battery is sent to charging tray blanking module position with charging tray;
I, NG reject mechanical arm and grasp the Soft Roll lithium battery of existence gas leakage according to the battery coded signal of Soft Roll lithium battery, and will exist the Soft Roll lithium battery of gas leakage to be sent to NG output band.
Wherein, time of vacuumizing of step e is less than 2s.
Beneficial effect of the present invention is: a kind of Soft Roll lithium battery impermeability of the present invention detects machine, its frame installing charging tray material loading assembly, charging tray blanking assembly, NG rejects assembly, the charging tray conveying belt, feeding manipulator, the blanking mechanical arm, the air tightness test assembly, transfer conveying robot and sweep Code Element, sweep Code Element and comprise first ccd image sensor of encoding for the battery of the Soft Roll lithium battery on the scanning charging tray, the air tightness test assembly comprises the vacuum leak detection cavity, vacuum pump, second ccd image sensor and line laser marker, vacuum leak detection cavity comprise test lower chamber and test upper cavity; This Soft Roll lithium battery impermeability detects machine by main controller controls charging tray material loading assembly, feeding manipulator, charging tray conveying belt, first ccd image sensor, transfer conveying robot, vacuum pump, second ccd image sensor, line laser marker, blanking mechanical arm, charging tray blanking assembly, NG rejecting assembly action and finishes Soft Roll lithium battery impermeability and detect automatically; So Soft Roll lithium battery impermeability of the present invention detects machine can finish the detection of Soft Roll lithium battery impermeability efficiently, the structural design novelty, automaticity is high and reliable and stable.
Another beneficial effect of the present invention is: a kind of Soft Roll lithium battery air-tightness detection method of the present invention, it includes following processing step, be specially: a, Soft Roll lithium battery are positioned in the battery standing groove of charging tray, and feeding manipulator grasps charging tray and the Soft Roll lithium battery is sent to the charging tray conveying belt with charging tray; B, charging tray move to the below of first ccd image sensor, the battery coding of the Soft Roll lithium battery in first ccd image sensor scanning charging tray battery standing groove with the charging tray conveying belt; C, the charging tray after the scanning of first ccd image sensor move to transfer conveying robot crawl position with the charging tray conveying belt, and the transfer conveying robot grasps charging tray and is sent to the Soft Roll lithium battery in the test lower chamber of vacuum leak detection cavity with charging tray; The test upper cavity of d, closed vacuum leak detection cavity, line laser marker are in Soft Roll lithium battery surface portrayal laser rays, and second ccd image sensor is gathered Soft Roll lithium battery surface image signal; E, start vacuum pump and the inside of vacuum leak detection cavity is vacuumized processing, the atmospheric pressure value of vacuum leak detection inside cavity need reach-90KPa; Soft Roll lithium battery surface image signal after f, the second ccd image sensor collection distortion, the picture signal that second ccd image sensor was gathered before and after the master controller contrast vacuumized and the horizontal-shift value △ y that calculates laser rays, wherein, calculate the change value of thickness △ x of Soft Roll lithium battery according to the crevice projection angle value β of line laser marker and according to formula △ x=△ y * tan β; When △ x>0.2mm, there is gas leakage in the Soft Roll lithium battery; When △ x<0.2mm, there is not gas leakage in the Soft Roll lithium battery; After g, test were finished, the test upper cavity of vacuum leak detection cavity was opened, and the transfer conveying robot grasps charging tray and will be sent to the charging tray conveying belt with charging tray through the Soft Roll lithium battery after the airtight test; H, charging tray move to blanking mechanical arm crawl position with the charging tray conveying belt, and the blanking mechanical arm grasps charging tray and the Soft Roll lithium battery is sent to charging tray blanking module position with charging tray; I, NG reject mechanical arm and grasp the Soft Roll lithium battery of existence gas leakage according to the battery coded signal of Soft Roll lithium battery, and will exist the Soft Roll lithium battery of gas leakage to be sent to NG output band.By above-mentioned air-tightness detection method, the present invention can finish Soft Roll lithium battery impermeability efficiently and detect, and reliable and stable.
Description of drawings
Utilize accompanying drawing to come the present invention is further detailed below, but the embodiment in the accompanying drawing does not constitute any limitation of the invention.
Fig. 1 is plan structure synoptic diagram of the present invention.
Fig. 2 is main TV structure synoptic diagram of the present invention.
Fig. 3 is left TV structure synoptic diagram of the present invention.
Fig. 4 is the structural representation of vacuum leak detection cavity of the present invention.
The work synoptic diagram that Fig. 5 detects for impermeability of the present invention.
The schematic diagram that Fig. 6 detects for impermeability of the present invention.
In Fig. 1 to Fig. 6, include:
1---frame 21---charging tray material loading assembly
22---charging tray blanking assembly 23---movable part
24---drive motor 3---NG rejects assembly
NG exports band to 31---NG rejects mechanical arm 32---
4---charging tray conveying belt 51---feeding manipulator
52---blanking mechanical arm 53---transfer conveying robot
6---sweeping Code Element 61---, first ccd image sensor
7---air tightness test assembly 71---vacuum leak detection cavity
711---test lower chamber 712---test upper cavity
72---second ccd image sensor 73---line laser marker
8---erecting frame.
Embodiment
The present invention will be described below in conjunction with concrete embodiment.
As shown in Figure 1 to Figure 3, a kind of Soft Roll lithium battery impermeability detects machine, include frame 1, also include the charging tray material loading assembly 21 that is installed in frame 1 material loading side, be installed in the charging tray blanking assembly 22 of frame 1 blanking side, be positioned at charging tray blanking assembly 22 sides and be equiped with NG rejecting assembly 3, be installed in the charging tray conveying belt 4 of frame 1 top, feeding manipulator 51 between the feed side of charging tray material loading assembly 21 and charging tray conveying belt 4, blanking mechanical arm 52 between the exit side of charging tray blanking assembly 22 and charging tray conveying belt 4, be installed in the air tightness test assembly 7 of frame 1 upper end and at the middle part of charging tray conveying belt 4 and the transfer conveying robot 53 between the air tightness test assembly 7; The side of charging tray conveying belt 4 is equiped with between feeding manipulator 51 and transfer conveying robot 53 and sweeps Code Element 6, sweeps Code Element 6 and includes first ccd image sensor 61 of encoding for the battery of the Soft Roll lithium battery on the scanning charging tray; Air tightness test assembly 7 includes vacuum leak detection cavity 71, vacuum leak detection cavity 71 is fitted with vacuum pump, the test upper cavity 712 that vacuum leak detection cavity 71 includes test lower chamber 711 and is installed in test lower chamber 711 tops opening or closing, test lower chamber 711 is installed in frame 1, frame 1 is equiped with second ccd image sensor 72 and tilts to be projeced into the Soft Roll lithium battery in the top of vacuum leak detection cavity 71 line laser marker 73; This Soft Roll lithium battery impermeability detection machine is fitted with master controller, and master controller is rejected assembly 3 and is electrically connected with charging tray material loading assembly 21, feeding manipulator 51, charging tray conveying belt 4, first ccd image sensor 61, transfer conveying robot 53, vacuum pump, second ccd image sensor 72, line laser marker 73, blanking mechanical arm 52, charging tray blanking assembly 22, NG respectively.
In the course of work of the present invention, master controller is by corresponding control program control and coordinate charging tray material loading assembly 21, feeding manipulator 51, charging tray conveying belt 4, first ccd image sensor 61, transfer conveying robot 53, vacuum pump, second ccd image sensor 72, line laser marker 73, blanking mechanical arm 52, charging tray blanking assembly 22,3 actions of NG rejecting assembly.Wherein, feeding manipulator 51 grasps via charging tray next in 21 jackings of charging tray material loading assembly, be placed with the Soft Roll lithium battery in the battery standing groove of charging tray, feeding manipulator 51 grasps charging trays and charging tray is positioned on the charging tray conveying belt 4, is positioned at Soft Roll lithium battery on the charging tray along with charging tray is transmitted together; When charging tray during through the below of first ccd image sensor 61, the battery coding of the Soft Roll lithium battery in first ccd image sensor, the 61 scanning charging tray battery standing grooves; After scanning, charging tray continues then to be grasped and be transferred in the test lower chamber 711 by transfer conveying robot 53 along with charging tray conveying belt 4 continues to move; The test upper cavity 712 of closed vacuum leak detection cavity 71 then, line laser marker 73 is in Soft Roll lithium battery surface portrayal laser rays, second ccd image sensor 72 is gathered Soft Roll lithium battery surface image signal, and the vacuum pump action also makes the vacuum tightness of vacuum leak detection cavity 71 inside reach-90KPa; Under suction function, the Soft Roll lithium battery deforms, accordingly, portray the laser rays occurrence positions skew in Soft Roll lithium battery surface, master controller is by the horizontal offset of measuring laser rays and the amounts of thickness variation that calculates the Soft Roll lithium battery in conjunction with the crevice projection angle value of line laser marker 73, when the amounts of thickness variation of Soft Roll lithium battery surpassed certain value, there was the gas leakage situation in the Soft Roll lithium battery; When the amounts of thickness variation of Soft Roll lithium battery did not surpass certain value, there was not the gas leakage situation in the Soft Roll lithium battery.
The Soft Roll lithium battery that detects after finishing through impermeability is sent to the charging tray travelling belt with charging tray by transfer conveying robot 53, then blanking mechanical arm 52 grasps charging tray and the Soft Roll lithium battery is sent to charging tray blanking assembly 22 positions, at this moment, charging tray blanking assembly 22 jacking charging trays, NG are rejected assembly 3 and will be existed the Soft Roll lithium battery of gas leakage to reject.
Comprehensive above-mentioned situation as can be known, Soft Roll lithium battery impermeability of the present invention detects machine can be automatically and finish Soft Roll lithium battery impermeability efficiently and detect automaticity, high efficiency and reliable and stable.
As preferred embodiment, NG rejects assembly 3 and includes NG and reject mechanical arm 31 and be positioned at NG output that NG rejects the blowing side of mechanical arm 31 and be with 32, NG to reject mechanical arm 31 to be electrically connected with main control.During work, NG rejects mechanical arm 31 and grasps the Soft Roll lithium battery that has gas leakage from charging tray blanking assembly 22 positions, and then, NG rejects mechanical arm 31 and will exist the Soft Roll lithium battery of gas leakage to be positioned over NG to export and be with 32.
As preferred embodiment, the drive motor 24 that charging tray material loading assembly 21 and charging tray blanking assembly 22 include movable part 23 respectively and be installed in frame 1, movable part 23 is fitted with first screw mandrel of vertical extension, the power output shaft of drive motor 24 drives with first screw mandrel and is connected, first screw mandrel is fitted with first feed screw nut who is installed in movable part 23, the upper end of movable part 23 is provided be used to the bearing surface of taking of taking material bearing disc, and drive motor 24 is electrically connected with master controller.Need further to explain, charging tray material loading assembly 21 and charging tray blanking assembly 22 have the effect of buffer memory jacking respectively, before feeding manipulator 51 grasps charging tray, the charging tray that is placed with the Soft Roll lithium battery is cached in the movable part 23 of charging tray material loading assembly 21, when feeding manipulator 51 was prepared to grasp charging tray, drive motor 24 drove the rotation of first screw mandrel and drives on the movable part 23 and moves with the jacking charging tray; Same, when the NG mechanical arm grasps the Soft Roll lithium battery that has gas leakage, drive motor 24 drives corresponding first screw mandrel rotation and makes movable part 23 keep the jacking states, and after the NG mechanical arm was finished Soft Roll lithium battery extracting operation, drive motor 24 drove movable parts 23 and moves down with the buffer memory charging tray.
As preferred embodiment, the front of charging tray of the present invention offers two row and is even spaced apart battery standing groove, and air tightness test assembly 7 includes two second ccd image sensors 72 corresponding with the Soft Roll lithium battery of corresponding line respectively; In carrying out the impermeability testing process, two second ccd image sensor, 72 synchronization actions are also gathered the surface image signal of the Soft Roll lithium battery of corresponding line simultaneously.
As preferred embodiment, frame 1 corresponding first ccd image sensor 61 and second ccd image sensor 72 are equiped with erecting frame 8 respectively, erecting frame 8 is equiped with second screw mandrel of vertical extension, second screw mandrel is fitted with folded feed screw nut, second feed screw nut is equiped with fixed block, and first ccd image sensor 61 and second ccd image sensor 72 are installed in corresponding fixed block respectively.In the course of work of the present invention, operating personnel can regulate the height of corresponding first ccd image sensor 61 and second ccd image sensor 72 as required, so that first ccd image sensor 61 and second ccd image sensor 72 can be gathered the surface image signal of Soft Roll lithium battery in all directions; Wherein, when regulating corresponding first ccd image sensor 61 and second ccd image sensor 72, operating personnel only need rotate second screw mandrel and get final product.
As preferred embodiment, feeding manipulator 51, blanking mechanical arm 52 and transfer conveying robot 53 include the gas pawl respectively, are installed in the fixed support of frame 1, each fixed support is equiped with servomotor respectively, fixed support is fitted with the 3rd screw mandrel, the power output shaft of servomotor drives with corresponding the 3rd screw mandrel and is connected, the 3rd screw mandrel is fitted with the 3rd feed screw nut, the 3rd feed screw nut is fitted with gas pawl fixed mount, the gas pawl is installed in corresponding gas pawl fixed mount, and each servomotor is electrically connected with master controller respectively.
A kind of Soft Roll lithium battery air-tightness detection method includes following processing step, is specially:
A, Soft Roll lithium battery are positioned in the battery standing groove of charging tray, and feeding manipulator 51 grasps charging tray and the Soft Roll lithium battery is sent to charging tray conveying belt 4 with charging tray;
B, charging tray move to the below of first ccd image sensor 61, the battery coding of the Soft Roll lithium battery in first ccd image sensor, the 61 scanning charging tray battery standing grooves with charging tray conveying belt 4;
C, the charging tray after 61 scannings of first ccd image sensor move to transfer conveying robot 53 crawl positions with charging tray conveying belt 4, and transfer conveying robot 53 grasps charging tray and is sent to the Soft Roll lithium battery in the test lower chamber 711 of vacuum leak detection cavity 71 with charging tray;
The test upper cavity 712 of d, closed vacuum leak detection cavity 71, line laser marker 73 are in Soft Roll lithium battery surface portrayal laser rays, and second ccd image sensor 72 is gathered Soft Roll lithium battery surface image signal;
E, start vacuum pump and the inside of vacuum leak detection cavity 71 is vacuumized processing, the atmospheric pressure value of vacuum leak detection cavity 71 inside need reach-90KPa;
F, second ccd image sensor 72 are gathered the Soft Roll lithium battery surface image signal after the distortion, the picture signal that second ccd image sensor 72 was gathered before and after the master controller contrast vacuumized and the horizontal-shift value △ y that calculates laser rays, wherein, calculate the change value of thickness △ x of Soft Roll lithium battery according to the crevice projection angle value β of line laser marker 73 and according to formula △ x=△ y * tan β; When △ x>0.2mm, there is gas leakage in the Soft Roll lithium battery; When △ x<0.2mm, there is not gas leakage in the Soft Roll lithium battery;
After g, test were finished, the test upper cavity 712 of vacuum leak detection cavity 71 was opened, and transfer conveying robot 53 grasps charging tray and will be sent to charging tray conveying belt 4 with charging tray through the Soft Roll lithium battery after the airtight test;
H, charging tray move to blanking mechanical arm 52 crawl positions with charging tray conveying belt 4, and blanking mechanical arm 52 grasps charging tray and the Soft Roll lithium battery is sent to charging tray blanking assembly 22 positions with charging tray;
I, NG reject mechanical arm 31 and grasp the Soft Roll lithium battery that has gas leakage according to the battery coded signal of Soft Roll lithium battery, and will exist the Soft Roll lithium battery of gas leakage to be sent to NG to export and be with 32.
Wherein, time of vacuumizing of step e is less than 2s.
By above-mentioned Soft Roll lithium battery air-tightness detection method, the present invention can finish Soft Roll lithium battery impermeability efficiently and detect, and reliable and stable.
Above content is preferred embodiment of the present invention only, and for those of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, this description should not be construed as limitation of the present invention.
Claims (8)
1. a Soft Roll lithium battery impermeability detects machine, include frame (1), it is characterized in that: also include the charging tray material loading assembly (21) that is installed in frame (1) material loading side, be installed in the charging tray blanking assembly (22) of frame (1) blanking side, be positioned at charging tray blanking assembly (22) side and be equiped with NG rejecting assembly (3), be installed in the charging tray conveying belt (4) of frame (1) top, be positioned at the feeding manipulator (51) between the feed side of charging tray material loading assembly (21) and charging tray conveying belt (4), be positioned at the blanking mechanical arm (52) between the exit side of charging tray blanking assembly (22) and charging tray conveying belt (4), be installed in the air tightness test assembly (7) of frame (1) upper end and be positioned at the middle part of charging tray conveying belt (4) and the transfer conveying robot (53) between the air tightness test assembly (7); The side of charging tray conveying belt (4) is equiped with between feeding manipulator (51) and transfer conveying robot (53) and sweeps Code Element (6), sweeps Code Element (6) and includes first ccd image sensor (61) of encoding for the battery of the Soft Roll lithium battery on the scanning charging tray; Air tightness test assembly (7) includes vacuum leak detection cavity (71), vacuum leak detection cavity (71) is fitted with vacuum pump, the test upper cavity (712) that vacuum leak detection cavity (71) includes test lower chamber (711) and is installed in test lower chamber (711) top opening or closing, test lower chamber (711) is installed in frame (1), frame (1) is equiped with second ccd image sensor (72) and tilts to be projeced into the Soft Roll lithium battery in the top of vacuum leak detection cavity (71) line laser marker (73); This Soft Roll lithium battery impermeability detection machine is fitted with master controller, and master controller is rejected assembly (3) and is electrically connected with charging tray material loading assembly (21), feeding manipulator (51), charging tray conveying belt (4), first ccd image sensor (61), transfer conveying robot (53), vacuum pump, second ccd image sensor (72), line laser marker (73), blanking mechanical arm (52), charging tray blanking assembly (22), NG respectively.
2. a kind of Soft Roll lithium battery impermeability according to claim 1 detects machine, it is characterized in that: described NG rejects assembly (3) and includes the NG output band (32) that NG rejects mechanical arm (31) and is positioned at the blowing side of NG rejecting mechanical arm (31), and NG rejects mechanical arm (31) and is electrically connected with described main control.
3. a kind of Soft Roll lithium battery impermeability according to claim 2 detects machine, it is characterized in that: the drive motor (24) that described charging tray material loading assembly (21) and described charging tray blanking assembly (22) include movable part (23) respectively and be installed in described frame (1), movable part (23) is fitted with first screw mandrel of vertical extension, the power output shaft of drive motor (24) drives with first screw mandrel and is connected, first screw mandrel is fitted with first feed screw nut who is installed in movable part (23), the upper end of movable part (23) is provided be used to the bearing surface of taking of taking material bearing disc, and drive motor (24) is electrically connected with described master controller.
4. a kind of Soft Roll lithium battery impermeability according to claim 3 detects machine, it is characterized in that: the front of described charging tray offers two row and is even spaced apart battery standing groove, and described air tightness test assembly (7) includes two second ccd image sensors (72) corresponding with the Soft Roll lithium battery of corresponding line respectively.
5. a kind of Soft Roll lithium battery impermeability according to claim 4 detects machine, it is characterized in that: corresponding described first ccd image sensor (61) of described frame (1) and described second ccd image sensor (72) are equiped with erecting frame (8) respectively, erecting frame (8) is equiped with second screw mandrel of vertical extension, second screw mandrel is fitted with folded feed screw nut, second feed screw nut is equiped with fixed block, and first ccd image sensor (61) and second ccd image sensor (72) are installed in corresponding fixed block respectively.
6. a kind of Soft Roll lithium battery impermeability according to claim 4 detects machine, it is characterized in that: described feeding manipulator (51), described blanking mechanical arm (52) and described transfer conveying robot (53) include the gas pawl respectively, be installed in the fixed support of described frame (1), each fixed support is equiped with servomotor respectively, fixed support is fitted with the 3rd screw mandrel, the power output shaft of servomotor drives with corresponding the 3rd screw mandrel and is connected, the 3rd screw mandrel is fitted with the 3rd feed screw nut, the 3rd feed screw nut is fitted with gas pawl fixed mount, the gas pawl is installed in corresponding gas pawl fixed mount, and each servomotor is electrically connected with described master controller respectively.
7. a Soft Roll lithium battery air-tightness detection method is characterized in that, includes following processing step, is specially:
A, Soft Roll lithium battery are positioned in the battery standing groove of charging tray, and feeding manipulator (51) grasps charging tray and the Soft Roll lithium battery is sent to charging tray conveying belt (4) with charging tray;
B, charging tray move to the below of first ccd image sensor (61), the battery coding of the Soft Roll lithium battery in first ccd image sensor (61) the scanning charging tray battery standing groove with charging tray conveying belt (4);
C, the charging tray after first ccd image sensor (61) scanning move to transfer conveying robot (53) crawl position with charging tray conveying belt (4), and transfer conveying robot (53) grasps charging tray and is sent to the Soft Roll lithium battery in the test lower chamber (711) of vacuum leak detection cavity (71) with charging tray;
The test upper cavity (712) of d, closed vacuum leak detection cavity (71), line laser marker (73) are in Soft Roll lithium battery surface portrayal laser rays, and second ccd image sensor (72) is gathered Soft Roll lithium battery surface image signal;
E, start vacuum pump and the inside of vacuum leak detection cavity (71) is vacuumized processing, the inner atmospheric pressure value of vacuum leak detection cavity (71) need reach-90KPa;
F, second ccd image sensor (72) are gathered the Soft Roll lithium battery surface image signal after the distortion, the picture signal that second ccd image sensor (72) was gathered before and after the master controller contrast vacuumized and the horizontal-shift value △ y that calculates laser rays, wherein, calculate the change value of thickness △ x of Soft Roll lithium battery according to the crevice projection angle value β of line laser marker (73) and according to formula △ x=△ y * tan β; When △ x>0.2mm, there is gas leakage in the Soft Roll lithium battery; When △ x<0.2mm, there is not gas leakage in the Soft Roll lithium battery;
After g, test were finished, the test upper cavity (712) of vacuum leak detection cavity (71) was opened, and transfer conveying robot (53) grasps charging tray and will be sent to charging tray conveying belt (4) with charging tray through the Soft Roll lithium battery after the airtight test;
H, charging tray move to blanking mechanical arm (52) crawl position with charging tray conveying belt (4), and blanking mechanical arm (52) grasps charging tray and the Soft Roll lithium battery is sent to charging tray blanking assembly (22) position with charging tray;
I, NG reject mechanical arm (31) and grasp the Soft Roll lithium battery of existence gas leakage according to the battery coded signal of Soft Roll lithium battery, and will exist the Soft Roll lithium battery of gas leakage to be sent to NG output band (32).
8. a kind of Soft Roll lithium battery air-tightness detection method according to claim 7, it is characterized in that: the time that step e vacuumizes is less than 2s.
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CN110918487A (en) * | 2019-12-16 | 2020-03-27 | 昆山华誉自动化科技有限公司 | Detection system and detection method for formed connector |
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CN112378604A (en) * | 2020-08-19 | 2021-02-19 | 万向一二三股份公司 | Device for detecting leakage condition of soft package power lithium battery and using method thereof |
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