Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides the bus bar installation detection device of the soft package battery module.
The invention is realized by the following technical scheme: the invention provides a device for installing and detecting a bus bar of a soft package battery module, which comprises:
the battery module transmission assembly is used for transmitting the battery module, and a battery module positioning assembly is arranged on the transmission track to position the battery module;
the lug positioning assembly comprises a multi-joint mechanical arm and a positioning comb, the positioning comb is mounted on the multi-joint mechanical arm, and the positioning comb is driven by the multi-joint mechanical arm to be inserted into a gap of a lug to realize the carding positioning of the lug;
the bus bar mounting assembly comprises a support and a bus bar grabbing mechanism movably connected to the support, and the bus bar grabbing mechanism is used for grabbing the bus bar and loading the bus bar into the battery module;
the bus bar detection device is connected with the multi-joint mechanical arm, moves along with the multi-joint mechanical arm, detects the mounted bus bar and sends the judgment of whether the mounted bus bar is in place to the control device;
and the control device is in communication connection with the battery module transmission assembly, the tab positioning assembly, the bus board mounting assembly and the bus board detection device.
Further, battery module transmission subassembly includes two transmission bands, the locating component includes: the battery module lifting device comprises a jacking device arranged between the two conveying belts and clamping devices arranged on two sides of the two conveying belts, wherein the jacking device comprises a lifting cylinder and a jacking plate arranged at the piston end of the lifting cylinder, and the jacking device lifts up to jack up the battery module from the two conveying belts; the clamping device includes: two telescopic cylinder and two holders, each holder locate each telescopic cylinder's piston end, and two telescopic cylinder install respectively on the support frame in two transmission band outsides, and two holders carry out the centre gripping location to the battery module on the jacking device under two telescopic cylinder's effect.
Furthermore, the positioning comb is mounted on the multi-joint mechanical arm through a clamp, and one or more mounting parts are arranged on the clamp and used for mounting one or more positioning combs.
Further, the bracket includes: the bus bar grabbing mechanism comprises a horizontal part and a vertical part, wherein slide rails are arranged on the horizontal part and the vertical part, the bus bar grabbing mechanism is connected to the slide rails of the vertical part in a sliding mode, a sliding groove is formed in the vertical part and sleeved on the slide rails of the horizontal part, and the vertical part can slide horizontally along the slide rails of the horizontal part.
Further, the center of the bus bar grabbing mechanism is connected to a power output end of a rotating motor, and the rotating motor is fixed on the vertical portion.
Further, the cylinder manifold snatchs the mechanism and includes a carousel and locates a plurality of tongs on the carousel, each tongs includes: the clamping device comprises a gas claw and two clamping blocks arranged at two piston ends of the gas claw, wherein the two clamping blocks are opened and closed under the action of the gas claw.
Further, the bus board detection device is a distance sensor, and the distance sensor is mounted on the clamp;
furthermore, a bus board compensation piece is further installed on the clamp, the bus board compensation piece comprises an installation block and a plurality of knocking pins, the knocking pins are elastically connected to the installation block, and the installation block is fixed on the clamp.
Furthermore, the bus board compensation piece further comprises an elastic connecting piece, the elastic connecting piece is installed in the installation hole of the installation block, one end of the elastic connecting piece is fixed on the installation block, and the other end of the elastic connecting piece is connected to the knocking needle.
By adopting the scheme, the invention provides a bus bar installation detection device of a soft package battery module, which has the following beneficial effects:
(1) utilize utmost point ear locating component to comb the location to utmost point ear earlier before carrying out the cylinder manifold installation, utmost point ear and cylinder manifold mutual interference when having avoided follow-up cylinder manifold to install on the battery module, and cause the condition that the cylinder manifold installation is not in place or utmost point ear damages.
(2) The bus bar detection device is used for detecting the mounted bus bar, the bus bar which is not mounted in place is processed, the qualified mounting of the bus bar is guaranteed, and the qualification rate of products is greatly improved.
(3) Utilize the cylinder manifold compensation piece to carry out the auxiliary operation to the cylinder manifold installation, improved the qualification rate of cylinder manifold installation.
(4) Degree of automation is high, and production efficiency improves greatly, has shortened the time of cylinder manifold installation.
Detailed Description
The invention is described in detail below with reference to the figures and the specific embodiments.
According to the invention, the battery module is transmitted and positioned through the battery module transmission assembly, the lug of the positioned battery module is combed and positioned by the lug positioning assembly, then the bus bar is grabbed and installed on the battery module through the bus bar installation assembly, and finally whether the bus bar is installed in place is detected through the bus bar detection device, so that the qualification of bus bar installation is ensured. The bus bar compensation piece is arranged to compensate and correct the bus bar which is judged to be not installed qualified, and the installation qualification rate of the bus bar is further guaranteed.
The invention specifically provides a bus bar installation detection device of a soft-package battery module, please refer to fig. 1-5, and the bus bar installation detection device of the soft-package battery module comprises: battery module transmission assembly 10, tab positioning assembly 20, bus bar mounting assembly 30, bus bar detection device 40 and control device (not shown). The battery module transmission assembly 10 is used for transmitting the battery module 50, and a battery module positioning assembly is arranged on the transmission track to position the battery module 50; the tab positioning assembly 20 comprises a multi-joint mechanical arm 21 and a positioning comb 22, the positioning comb 22 is mounted on the multi-joint mechanical arm 21, and the positioning comb 22 is driven by the multi-joint mechanical arm 21 to be inserted into a gap of a tab of the battery module 50 to comb and position the tab; the bus bar mounting assembly 30 comprises a bracket 31 and a bus bar grabbing mechanism 32 movably connected to the bracket 31, wherein the bus bar grabbing mechanism 32 is used for grabbing a bus bar 60 and loading the bus bar 60 into the battery module 50; the bus bar detection device 40 is connected to the multi-joint mechanical arm 21, moves along with the multi-joint mechanical arm 21, photographs the mounted bus bar 60 and uploads the photographed image to the control device; the control device is an industrial personal computer, and the industrial personal computer is in communication connection with the battery module transmission assembly 10, the tab positioning assembly 20, the bus plate mounting assembly 30 and the bus plate detection device 40, and the communication connection can be realized by adopting a mode which can be realized by the prior art, such as a Local Area Network (LAN) or a Wide Area Network (WAN), and executes an X25 communication protocol and the like. The industrial personal computer is used for sending a control signal, controlling the operation of the battery module transmission assembly 10 (including the operation of the battery module positioning assembly), controlling the operation of the tab positioning assembly 20 to comb and position tabs, controlling the operation of the bus plate mounting assembly 30 to capture the bus plate 60 for mounting, receiving feedback information of the bus plate detection device 40, further controlling other compensation pieces to compensate and correct the bus plate which is not in place according to the feedback information, and finally enabling the bus plate to be mounted in place. The data transmission and control method between the control device and the above devices are realized by adopting the prior art.
The detailed structure of each component is described in detail below:
battery module transmission subassembly 10 includes two transmission bands 12 and battery module locating component, battery module locating component includes: a jacking device arranged between the two conveying belts 12 and clamping devices arranged at two sides of the two conveying belts 12, wherein the jacking device comprises a lifting cylinder (not shown) and a jacking plate 132 arranged at the piston end of the lifting cylinder; the clamping device includes: two telescopic cylinders 141 and two clamping members 142, each clamping member 142 is disposed at a piston end of each telescopic cylinder 141, the two telescopic cylinders 141 are respectively mounted on the support frame 15 outside the two conveyor belts 12, and the two clamping members 142 clamp and position the battery module 50 on the jacking device 13 under the action of the two telescopic cylinders 141. When the battery module 50 moves above the jacking device 13 along with the two conveyor belts 12, the control device controls the piston of the lifting cylinder to ascend to drive the jacking plate 132 above the piston to ascend, so as to jack up the battery module 50 above the jacking plate 132, and thus the battery module 50 ascends above the two conveyor belts 12 to separate from the two conveyor belts 12. At this time, the battery module 50 is still on the jacking plate 132, and the piston ends of the two telescopic cylinders 141 located at the two outer sides of the two conveyor belts 12 extend out to drive the two clamping members 142 to move in opposite directions, so that the battery module 50 is clamped and fixed on the jacking plate 132, and the battery module 50 is prevented from shaking, thereby affecting subsequent operations. As shown in fig. 1 or 3, each clamping member 142 may include two plates disposed horizontally, or may also be a plate disposed vertically, so that the clamping function of the battery module 50 can be achieved. It should be noted that the width of the jacking plate 132 is smaller than the distance between the two conveying belts 12, so that the jacking plate does not touch the two conveying belts 12 during lifting.
Further, as shown in fig. 4, the positioning comb 22 is installed on the multi-joint mechanical arm 21 through a fixture 23, the fixture 23 is L-shaped, one or more installation parts are arranged on the fixture, two installation parts are arranged in the embodiment, the positioning comb of one type is installed on each installation part, and the two positioning combs are respectively installed at two ends of the L-shaped structure, so that the integrated operation is realized for the situation that two lugs are arranged in the battery module in different sizes and directions, and after one lug is positioned and a bus bar is installed, another positioning comb is replaced to operate, the convenience of operation is greatly improved, and the operation time is saved. When carrying out utmost point ear location, articulated arm 21 drives location comb 22 inserts in the utmost point ear gap of battery module 50 from the side, realizes combing and the location to utmost point ear, makes the interval between utmost point ear be the standard value, and follow-up when passing utmost point ear with the cylinder manifold and pack into battery module, can not produce utmost point ear and the problem of cylinder manifold looks interference. It should be noted that the positioning comb 22 may be mounted on the fixture 23 by a screw mounting method, or may be mounted on the fixture 23 by an insertion method, or a push-pull groove may be formed on the fixture 23, and a push-pull block is correspondingly formed on the positioning comb 22, and the connection is realized by pushing and pulling the push-pull block into the push-pull groove from the side edge, in short, the positioning comb 22 may be detachably mounted on the fixture 23 by using the existing connection method, which all fall within the protection scope of the present invention. As can be seen from the figure, the bus board detection device 40 is also mounted on the fixture 23, the bus board detection device 40 is a distance sensor, preferably, a laser distance measuring sensor, and measures by using a phase comparison principle, and by emitting visible laser beams with different frequencies, receiving scattered laser beams returned from the bus board, comparing the received laser signals with reference signals, and finally calculating the distance corresponding to the corresponding offset by using a microprocessor, the measurement accuracy can reach mm level, so as to accurately judge whether the bus board is mounted in place. As can be further seen from fig. 4, a bus bar compensator 70 is further mounted on the clamp 23, the bus bar compensator 70 includes a mounting block 71 and a plurality of knocking pins 72, in this embodiment, two knocking pins 72 are provided, the knocking pins 72 are elastically connected to the mounting block 71, and the mounting block 71 is fixed on the clamp 23 by screws. Preferably, the bus bar compensator 70 further comprises an elastic connector (not shown) installed in the knocking pin installation hole of the installation block 71, wherein one end of the elastic connector is fixed on the installation block 71, and the other end of the elastic connector is connected to the knocking pin 72. After the bus bar is mounted on the battery module 50, the knock pin 72 is used to compress the bus bar 60, so that the bus bar is mounted in place. In addition, after the signal that the bus bar is not mounted in place is obtained, which is sent by the bus bar detection device 40, the control device controls the multi-joint robot arm 21 to move, drives the bus bar compensation piece 70 to reach the position of the bus bar 60, and then uses the knocking needle 72 to knock the bus bar from the side surface of the bus bar 60, so that the position of the bus bar is corrected, and the bus bar is mounted in place. The elastic connecting piece is arranged, so that the hardness of knocking force can be reduced during knocking operation, and the pole lugs or the bus plates cannot be damaged. Preferably, the resilient connecting member is a spring or other resilient strip.
The bus bar mounting assembly 30 includes a bracket 31 and a bus bar catching mechanism 32 movably connected to the bracket 31, where the bracket 31 includes: the bus bar grabbing mechanism 32 is connected to the slide rail of the vertical part 312 in a sliding manner, the vertical part 312 is provided with a slide groove 313, the slide groove 313 is sleeved on the slide rail of the horizontal part 311, and the vertical part 312 can slide horizontally along the slide rail of the horizontal part 311. Thereby, the movement of the bus bar catching mechanism 32 in the horizontal and vertical directions is realized. Preferably, the bus bar grabbing mechanism 32 is further connected to a driver, and the driver drives the bus bar grabbing mechanism 32 to slide along the slide rail of the vertical portion 312 to reach a proper height, so as to grab the bus bar. Similarly, the vertical portion 312 is connected to another actuator that drives the vertical portion 312 to slide along the slide rails of the horizontal portion to reach the appropriate position to grab or mount the bus bar. Further, as shown in the side view of fig. 2, the center of the bus bar grabbing mechanism 32 is connected to a power output shaft of a rotating motor 34, and the rotating motor 34 drives the bus bar grabbing mechanism 32 to rotate, and the bus bar grabbing mechanism can move back and forth under the action of the power output shaft of the bus bar grabbing mechanism, so as to reach different bus bar positions of the battery module for bus bar installation. The rotating electric machine 34 is fixed to the vertical portion 312. Preferably, the bus bar grabbing mechanism 32 includes a rotating plate 321 and a plurality of grippers 322 disposed on the rotating plate 321, in this embodiment, four grippers are disposed, and are symmetrically disposed along an outer edge of the rotating plate 321. Each hand grip 322 includes: the clamping device comprises an air claw 3221 and two clamping blocks 3222 arranged at two piston ends of the air claw 3211, wherein the two clamping blocks 3222 are opened and closed under the action of the air claw 3221 to release and grab the bus board. Preferably, a positioning rod 3223 is fixed to the bottom of each clamping block 3222, as shown in fig. 6, which is a partial enlarged view of the bus bar 60, a diameter of the positioning rod 3223 is set corresponding to a diameter of the mounting hole 61 on the bus bar 60, when the bus bar grabbing mechanism 32 moves along the bracket 31 to above the bus bar 60, the pneumatic claw 3221 drives the two clamping blocks 3222 apart, one positioning rod is inserted into the mounting hole 61 on the bus bar 60, the other positioning rod is positioned at the other side of the bus bar 60 opposite to the mounting hole 61, at this time, the pneumatic claw 3221 slowly drives the two clamping blocks 3222 to retract until the two positioning rods 3223 clamp the bus bar 60, at this time, the bus bar grabbing mechanism 32 slides along the horizontal portion 311 of the bracket to above the battery modules, the bus bar is loaded onto the battery modules 50 positioned by the positioning comb 22, then the positioning comb 22 is pulled out by the multi-joint mechanical arm 21, the pneumatic claw of the bus bar grabbing mechanism 32 is released, the bus bar grabbing mechanism 32 operates to grab the next bus bar at the bus bar grabbing position. It is worth mentioning that the cylinder manifold in this embodiment snatchs mechanism 32 and passes through the disc design to be equipped with a plurality of tongs 322, a tongs snatchs a cylinder manifold back, through rotating carousel 321, make other three tongs also snatch a cylinder manifold in cylinder manifold snatching position one after another respectively, then remove to battery module 50 top again, adorn four cylinder manifolds on battery module 50 in proper order, this setting has reduced cylinder manifold and has snatched mechanism 32 and come and go the number of times between battery module and cylinder manifold snatch position, it comes and goes once and can snatch four cylinder manifolds, accomplish the installation of four cylinder manifolds of a battery module, and work efficiency is greatly improved. It is anticipated that different numbers of fingers may be provided according to the specifications of the battery module 50 to meet the production requirements. The invention also comprises a feeding mechanism 80 of the bus board, the feeding mechanism 80 is provided with a conveyor belt, the bus board is continuously conveyed to the bus board grabbing position, the structure of the feeding mechanism 80 is realized by adopting a conveying mode which can be realized by the prior art, and the details are not repeated.
The operation of the bus board installation detection device of the soft package battery module is as follows:
when the battery module conveying assembly conveys the battery module to the position above the battery module positioning assembly, the control device controls the lifting cylinder to start, the piston end of the lifting cylinder jacks up the jacking plate to jack the battery module from the two conveying belts, then the two telescopic cylinders of the clamping device start to clamp and position the battery module between the two clamping pieces, the battery module is positioned, and the stability of the battery module in subsequent operation is ensured. The control device controls the multi-joint mechanical arm to start, the multi-joint mechanical arm drives the positioning comb to move to the position close to the battery module, the positioning comb is inserted into a gap of a lug corresponding to a first bus plate of the battery module from the side face of the battery module, the first group of lugs are combed and positioned, and the distance between the lugs is guaranteed to be a standard value. The cylinder manifold snatchs the mechanism and removes to the cylinder manifold and snatchs the position, and four tongs are accomplished the cylinder manifold and are removed to the first cylinder manifold position of battery module after snatching, pack the cylinder manifold into battery module, and so far, the installation of the first cylinder manifold of battery module is accomplished. The multi-joint mechanical arm control positioning comb is pulled out from the space between the lugs of the first bus bar, the positioning comb is compressed against the bus bar by means of knocking, the positioning comb is inserted into a gap of a second group of lugs of the battery module through the position of the second bus bar corresponding to the battery module, the second group of lugs is combed and positioned, the rotary disc rotates, another hand grab is made to reach the bottom, the previously grabbed bus bar is installed in the position of the second bus bar of the battery module, and the process is analogized until the four bus bars of the battery module are installed completely. After the bus bars of the battery module are installed, the bus bar detection device is started to detect the bus bars, whether the bus bars are installed in place is judged and sent to the control device, if the bus bars are installed in place, the bus bars are installed on the next battery module transmitted in accordance with the previous steps, if the bus bars are not installed in place, the control device controls the multi-joint mechanical arm to drive the bus bar compensation piece to knock and compensate and correct the bus bars, and the bus bars are installed in place.
In summary, the invention provides a bus bar installation detection device for a soft package battery module, which arranges and positions the tabs of the battery module before installation of the bus bar by arranging the tab positioning assembly, so that the problems that mutual interference is easily generated between the tabs during installation of the bus bar in the prior art, the bus bar is installed in place, and the tabs are damaged are solved. The bus bar mounting assembly can grab a plurality of bus bars to complete the mounting of four bus bars in one battery module by one time of reciprocating, so that the mounting efficiency is greatly improved. The bus bar mounting detection device of the soft package battery module is high in automation degree, greatly shortens the mounting time of the bus bar, greatly improves the production efficiency, and is worthy of being widely popularized and used.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.