Bus bar transmission coating device, cloth belt device and method for coating soldering flux
Technical Field
The invention relates to a coating technology of soldering flux in the process of preparing a solar cell assembly, in particular to a bus bar transmission coating device and method and a cloth belt device of a bus bar.
Background
In the assembly preparation process, the bus bar lamination welding process is one important process, and a soldering flux is used in the bus bar lamination welding process, so that the soldering flux can help the bus bar and the battery piece to adhere to a long welding strip, and the internal stress of the bus bar can be eliminated. But when painting scaling powder, need the strap hand to pull out required length with the roll-up busbar, scribble the seal device and scribble seal scaling powder to the busbar at the in-process of busbar transmission, because the strap hand is cliied the head end of busbar, consequently the head end of strap just is difficult to scribble the scaling powder, through a large amount of experiments verification, there is a large amount of not firm and the rosin joint condition of welding of a large number of busbar head ends and battery string welding area connection, has seriously influenced solar cell's performance.
The prior art also adopts the following method to solve the technical problems, and the method is as follows: after the bus bar is cut off, the bus bar is continuously transmitted forwards to the coating device by the tape supply mechanism, after the coating device finishes spraying the head end of the bus bar, the bus bar is pulled away by the tape pulling hand, but the head end of the bus bar is easily bent and deformed when the tape pulling hand clamps the bus bar due to the fact that the bus bar is softer in texture and the lower part is free of supporting bare leakage, and the product quality can be influenced.
Disclosure of Invention
In order to overcome the technical defect that the coating device in the prior art is difficult to coat soldering flux on the head end of the bus bar, the transmission coating device and the cloth belt device for the bus bar are provided, so that the head end of the bus bar can be coated with the soldering flux, and firm welding of the head end of the bus bar and a battery series welding belt is ensured, and the specific technical scheme is as follows:
a bus bar transfer coating device structurally comprises: the driving motor is used for providing power for the transmission coating device, the lead screw is in transmission connection with the output shaft of the driving motor through the lead screw seat, the lead screw seat is in transmission connection with the driving motor, the lead screw seat is used as a starting position, the device comprises a screw rod seat, a screw rod seat and a screw rod, wherein the screw rod seat, the screw rod seat and the screw rod are sequentially arranged on the screw rod in a transmission mode from left to right, the screw rod seat is fixedly connected with the screw rod, a coating unit is fixedly connected with the screw rod seat, and the coating unit realizes reciprocating motion along the axial direction of the screw rod through the screw rod seat.
Further, the distance that the screw moved on the lead screw is the distance between the point position of the head end of the busbar and the cut-off opening, namely, when the transmission coating device moves in the direction opposite to the transmission direction of the busbar, the distance moved is the distance between the point position of the head end of the busbar and the cut-off opening, and the distance between the point position of the head end of the busbar and the cut-off opening of the busbar and the coating unit is equal.
The technical effect of this technical scheme lies in: when the bus bar is cut off in the actual production process, the coating unit is arranged at the front part of the head end of the bus bar, the driving motor drives the screw rod to rotate, the screw rod rotates to enable the screw nut to move along the screw rod, so that the coating unit can move towards the head end of the bus bar to realize the coating of soldering flux on the head end of the bus bar.
The invention also provides a cloth belt device of the bus bar, which structurally comprises: the fixing base is arranged on the drawstring cloth belt sliding rail above the fixing base, the tape supply mechanism, the clamping hand, the tape cutting hand and the drawstring cloth belt hand are sequentially arranged on the fixing base from left to right, the drawstring cloth belt hand is arranged on the drawstring cloth belt sliding rail, and the coating and printing device is transmitted.
The transmission coating device is fixed with the cutting hand through the cutting base, the cutting base is fixedly connected with the nut seat and is arranged on the drawstring cloth belt sliding rail through the sliding seat, and the transmission coating device can reciprocate along the drawstring cloth belt sliding rail. The structure of the transmission coating device in the technical scheme is as described in the technical scheme of a bus bar transmission coating device.
Further, the end part of the screw rod of the transmission coating device is fixed with the side elevation of the fixed seat through a screw rod end seat.
Further, when the transmission coating device moves in the direction opposite to the transmission direction of the bus belt, the moving distance is the distance between the point position of the head end of the bus belt, which needs to be coated with the soldering flux, and the cutting opening, and the distance between the point position and the cutting opening end of the bus belt and the coating unit are equal.
For other structural details and working principles of the tape device, reference may be made to: the publication date is 2016-3-23, and the application is entitled "automatic tape feeder and stitch welding machine in Wuxi City", with patent publication number CN 205104509U.
The technical effect of this technical scheme lies in, has installed the transmission on strap device and scribbles the seal device for the action that the busbar cuts off, the head end scribbles seal scaling powder, stretching strap, other positions scribble seal scaling powder is accomplished consecutively, when improving product quality, does not influence production festival and efficiency.
The invention also provides a method for coating soldering flux on the bus bar, which comprises the following steps: after the bus bar is cut by the tape cutting hand, the transmission coating device moves in the direction opposite to the transmission direction of the bus bar, and stops when reaching the position of the first point to be coated with the soldering flux closest to the cutting end of the bus bar, after the coating unit finishes coating the first point, the tape cutting hand clamps the cutting end of the bus bar and transports the bus bar forwards, and the coating unit sequentially coats the soldering flux on each point to be coated with the soldering flux on the bus bar.
Drawings
FIG. 1 is a schematic view showing an axial structure of a transfer printing apparatus according to the first embodiment;
FIG. 2 is a schematic view of the bottom axial side structure of FIG. 1;
FIG. 3 is a schematic view of the structure of the second embodiment, wherein the tape cutting hand and the transfer printing device are assembled and then mounted on the slide rail of the drawstring cloth tape;
FIG. 4 is a schematic view of the axial side structure of the tape device in the second embodiment;
fig. 5 is a front view of the tape device when the tape cutter has just cut the bus bar in the second embodiment;
FIG. 6 is a plan view of the tape device when the tape cutter has just cut the bus bar in the second embodiment;
FIG. 7 is an enlarged view of a portion of FIG. 5;
FIG. 8 is a front view of the tape device when the transfer printing device moves in the direction opposite to the transfer direction of the bus bar and reaches the first point where flux is to be printed nearest to the cut end of the bus bar in the second embodiment;
FIG. 9 is a top view of FIG. 8;
Fig. 10 is a partial enlarged view of fig. 9.
1. A driving motor, a screw rod seat, a screw nut and a coating unit, 7, a screw rod end seat, 30-1, a fixed seat, 30-2, a drawstring cloth belt sliding rail, 30-3 parts of tape feeding mechanism, 30-4 parts of clamping hand, 30-5 parts of tape cutting hand, 30-6 parts of tape pulling strap hand, 30-7 parts of tape cutting base, 30-8 parts of sliding seat and 40 parts of transmission coating device.
Detailed Description
The technical scheme provided by the invention is described in detail below with reference to the attached drawings and specific embodiments.
Example 1
Fig. 1 and 2 show a bus bar transfer coating device, which structurally comprises: the device comprises a driving motor 1 for supplying power to a transmission printing device, a lead screw 2 which is in transmission connection with an output shaft of the driving motor 1 through a lead screw seat 3, wherein the lead screw seat is in transmission connection with the driving motor, the lead screw seat 3 is used as a starting position, the lead screw seat 3, a nut seat 4 and a nut 5 which are installed on the lead screw 2 are sequentially transmitted from left to right, the nut seat 4 is fixedly connected with the nut 5, a printing unit 6 fixedly connected with the nut seat 4 realizes reciprocating motion along the axial direction of the lead screw through the nut seat, the distance of the nut 5 moving on the lead screw 2 is the distance between a point position of a bus belt head end to be coated with soldering flux and a cutting opening, namely, when the transmission printing device moves in the direction opposite to the transmission direction of the bus belt, the distance of the movement is the distance between the point position of the bus belt head end to be coated with the soldering flux and the cutting opening, and the distance between the point position of the bus belt head end and the cutting opening is equal to the distance between the printing unit and the cutting opening end of the bus belt.
The specific implementation mode is as follows: the driving motor 1 is started, the driving motor 1 drives the screw rod 2 to rotate, the screw rod 2 rotates to enable the screw nut 5 to move along the screw rod, the screw nut seat 4 is fixedly connected with the screw nut 5, and therefore the screw nut seat 4 and the screw nut 5 move along the screw rod together, and the coating unit 6 is driven to move. The driving motor 1 rotates positively to drive the screw rod 2 to rotate anticlockwise, and the screw nut 5 moves towards the direction close to the driving motor 1, so that the coating unit 6 moves towards the head end of the bus bar, and the purpose of coating soldering flux on the head end of the bus bar is achieved. The motor rotates reversely to drive the screw rod 2 to rotate clockwise, the screw 5 moves in a direction away from the driving motor 1, so that the coating unit 6 is reset, and the coating unit 6 sequentially completes coating of other points needing to be coated with soldering flux on the bus bar in the process of bus bar transmission.
Example two
Fig. 3 to 10 illustrate a tape device of a bus bar, the structure including: the fixing base 30-1, the drawstring strap slide rail 30-2 of setting in the fixing base top, install the confession area mechanism 30-3 on the fixing base in proper order from left to right, carry handle 30-4, cut the area hand 30-5, drawstring strap hand 30-6, wherein the drawstring strap hand is installed on the drawstring strap slide rail, the transmission scribbles seal device 40, the transmission scribbles seal device and cuts the area hand 30-5 through cutting area base 30-7 fixedly, cut area base 30-7 and screw seat 4 fixed connection and install on drawstring strap slide rail 30-2 through slide 30-8, can reciprocate along drawstring strap slide rail 30-2, the tip of the lead screw 2 of transmission scribbles seal device 40 is fixed with the side elevation of fixing base 30-1 through lead screw end seat 7.
The structure of the transfer printing device is as described in the first embodiment.
The specific implementation of this example is as follows: the operation mode and the working principle of the cloth belt device are as follows: the publication date is 2016-3-23, and the application is entitled "automatic tape feeder and stitch welding machine in Wuxi City", with patent publication number CN 205104509U. When the tape cutting hand 30-5 cuts off the previous section of bus bar, the driving motor 1 rotates forward to drive the screw rod 2 to rotate anticlockwise, and the screw 5 moves towards the direction close to the driving motor 1, so that the coating unit 6 moves towards the head end of the bus bar, and coating of soldering flux on the head end of the bus bar is realized, and the device is shown in fig. 8-10. Then the motor rotates reversely to drive the screw rod 2 to rotate clockwise, the screw nut 5 moves in a direction away from the driving motor 1, so that the coating unit 6 is reset, the drawstring strap hand 30-6 moves to a cutting point of the bus bar along the drawstring strap sliding rail 30-2, the head end of the bus bar is clamped and transmitted forwards, and in the process of bus bar transmission, the coating unit 6 sequentially completes coating of other points needing to be coated with soldering flux on the bus bar.
According to the two embodiments, the invention also provides a method for coating soldering flux on a bus bar, which specifically comprises the following steps: after the cutting hand 30-5 cuts off the bus bar, the transfer printing device 40 moves in the direction opposite to the transfer direction of the bus bar, and stops when reaching the first point position where the soldering flux needs to be coated closest to the cutting end of the bus bar, after the printing of the first point position by the printing unit 6 is finished, the tape pulling hand clamps the cutting end of the bus bar to transport forward, and the printing unit 6 sequentially coats the soldering flux on each point position where the soldering flux needs to be coated on the bus bar.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments may be modified or some or all of the technical features may be replaced equivalently, and these modifications or replacements do not make the essence of the corresponding technical scheme deviate from the scope of the technical scheme of the embodiments of the present invention.