CN209344050U - The transmission mechanism and solar battery bonding machine of cell piece - Google Patents

Abstract

The utility model discloses a battery sheet transmission mechanism and a solar battery welding machine, the solar battery welding machine includes a battery sheet transmission mechanism, the transmission mechanism is used for transporting a battery sheet group, and the battery sheet group includes a plurality of battery sheets, The transmission mechanism includes a machine base, a transmission device and a detection device. The machine base is used to carry the transmission device and the detection device. The transmission device is used to transport the cell group from the loading station to the unloading station where the solar cell welding machine production line is located. , wherein the detection device is used to detect the relative position information of the battery sheet group and the quality of each battery sheet transmitted by the transmission device, so that the quality and/or positioning of the battery sheets delivered to the production line can be guaranteed, thereby improving The transmission efficiency meets the welding process of multiple strings of solar cells.

Description

Cell transmission mechanism and solar cell welding machine

technical field

The utility model relates to the technical field of solar battery sheet welding, in particular to a battery sheet transmission mechanism and a solar battery welding machine.

Background technique

Solar energy is a kind of renewable clean energy. The use of solar energy to generate electricity has been increasingly valued and favored by people. Although solar battery strings can be automatically welded by welding machines, the existing solar battery welding machines can only achieve single-use welding. The automatic welding of solar cell strings leads to low production efficiency.

Utility model content

Aiming at the defects of the traditional solar cell welding machine, the applicant proposed a solar cell welding machine that can realize the welding of multiple strings of solar cells at the same time, and interconnection strips can be welded between the multiple strings of solar cells, so as to realize the Overall stability improvements. This welding method needs to transport a plurality of solar cell sheets to the production line sequentially in groups arranged at intervals, so as to form multiple strings of solar cell sheets arranged at intervals, so as to facilitate welding. However, this feeding method has high requirements on the quality of a single solar cell and the positioning of the spacing between multiple strings of solar cells. Therefore, in the actual production process, how to efficiently and accurately transfer the solar cells on the loading station to the production line of the solar cell welding machine is an urgent problem to be solved.

The main purpose of this utility model is to propose a transmission mechanism for solar cells and a solar cell welding machine, aiming to solve the technical problem that the transmission efficiency of the existing solar cell transmission mechanism is low and cannot meet the welding process of multiple strings of solar cells .

In order to achieve the above purpose, the utility model proposes a transmission mechanism for battery slices, which is used to transmit battery slice groups. The battery slice group includes a plurality of battery slices. The transmission mechanism includes:

Machine base;

The transmission device is arranged on the machine base, and comprises a transmission seat, a transmission belt movably installed on the transmission seat, and a first drive component, and the transmission seat has a loading station and an unloading station sequentially arranged along the transmission direction. position, the conveying belt is extended between the loading station and the unloading station, and the first driving part drives the conveying belt to move along the conveying direction, so as to move the upper The cells on the material station are transported to the unloading station; and,

The detection device is arranged on the machine base and includes a positioning component and/or a quality detection component, and the positioning component is used to obtain relative position information of the battery sheet group on the transmission belt, and the relative position information includes the battery sheet The relative position data among the plurality of battery slices in the group, the quality detection component is used to obtain the quality information of the battery slices on the transmission belt.

Further, the positioning component includes a first detection camera arranged at the unloading station, and the first detection camera is arranged above the conveyor belt for obtaining the batteries at the unloading station. The relative position information of the slice group.

Further, the quality inspection component includes a second inspection camera arranged at the loading station, and the second inspection camera is arranged above the conveyor belt to obtain the Quality information of each cell.

Further, the transmission seat is provided with a light source at the loading station and/or the unloading station, the light source is arranged under the transmission belt, and the transmission belt is at least partially made of a light-transmitting material .

Further, the second detection camera is also used to detect the initial position information of the battery sheet group at the loading station, and the transmission mechanism also includes a controller, the controller communicates with the quality detection component and the The first driving component is electrically connected to acquire the initial position information, and controls the first driving component to drive the conveyor belt to move according to a preset stroke according to the initial position information.

Further, the transport mechanism also includes a pick-up device, the pick-up device includes a pick-up component and a second drive component, the pick-up component is arranged at the loading station for picking up the battery slices, the pick-up component is movably installed The base has a vertical and lateral movable stroke, and the second drive part drives the pick-up part to move up and down and laterally, so as to remove unqualified cells from the on the transfer belt.

Further, a waste box is provided at the loading station, and the waste box is installed on one side of the transmission seat for containing the battery slices removed from the transmission belt by the pick-up device.

Further, the transmission seat also has a waiting station between the loading station and the unloading station, and the conveyor belt sequentially runs along the loading station, the waiting station and the Extended setting of unloading station.

Further, the conveying device also includes a vacuum generator, and a suction port is opened on the upper side of the transfer seat, and the suction port is communicated with the vacuum generator to generate negative pressure. The strip-shaped hole corresponding to the adsorption port, the long side of the strip-shaped hole extends along the transmission direction, wherein the adsorption ports at the loading station, the waiting station and the unloading station are respectively They communicate with the vacuum generators, and each generates negative pressure through independent switch control.

In order to achieve the above purpose, the utility model also proposes a solar cell welding machine, which includes a transmission mechanism for battery slices, and the transmission mechanism is used to transmit battery slice groups, and the battery slice groups include a plurality of battery slices, and the transmission mechanism include:

Machine base;

The transmission device is arranged on the machine base, and comprises a transmission seat, a transmission belt movably installed on the transmission seat, and a first drive component, and the transmission seat has a loading station and an unloading station sequentially arranged along the transmission direction. position, the conveying belt is extended between the loading station and the unloading station, and the first driving part drives the conveying belt to move along the conveying direction, so as to move the upper The cells on the material station are transported to the unloading station; and,

The detection device is arranged on the machine base and includes a positioning component and/or a quality detection component, and the positioning component is used to obtain relative position information of the battery sheet group on the transmission belt, and the relative position information includes the battery sheet The relative position data among the plurality of battery slices in the group, the quality detection component is used to obtain the quality information of the battery slices on the transmission belt.

In the technical solution provided by the utility model, the transmission mechanism of the solar cells is used for transporting the cell group, the cell group includes a plurality of cells, the transmission mechanism includes a frame, a transmission device and a detection device, and the frame is used to carry The transmission device and the detection device, the transmission device is used to transfer the cell group from the loading station to the unloading station where the solar cell welding machine production line is located, wherein the detection device is used for the relative The position information and the quality of each cell are detected, so that the quality and/or positioning of the cells delivered to the production line can be guaranteed, thereby improving the transmission efficiency and meeting the welding process of multiple strings of solar cells.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the accompanying drawings that need to be used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the accompanying drawings in the following description These are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to the structures shown in these drawings without creative work.

Fig. 1 is a schematic diagram of the back stereoscopic structure of an embodiment of the transmission mechanism of the battery sheet provided by the utility model;

Fig. 2 is a schematic diagram of the front three-dimensional structure of the transmission mechanism of the cell in Fig. 1;

FIG. 3 is an exploded perspective view of the three-dimensional structure of the transmission device in FIG. 1 .

Explanation of reference numbers:

label name label name 100 Cell 111 Loading station 200 battery pack 112 Cutting station 300 transmission mechanism 113 waiting station 10 transmission device twenty one positioning parts 11 Transmission seat twenty two Quality Inspection Components 12 conveyor belt twenty three first detection camera 13 first drive unit twenty four Second inspection camera 14 waste box 30 pick up device 15 Adsorption port 31 pick up parts 16 strip hole 32 second drive unit 17 light source 40 Unloading device

The realization of the purpose of the utility model, functional characteristics and advantages will be further described in conjunction with the embodiments and with reference to the accompanying drawings.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

It should be noted that if there is a directional indication (such as up, down, left, right, front, back...) in the embodiment of the present utility model, the directional indication is only used to explain the position in a certain posture (as shown in the accompanying drawing). If the relative positional relationship, movement conditions, etc. between the components shown in the figure below are changed, if the specific posture changes, the directional indication will also change accordingly.

In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present utility model, the descriptions of "first", "second", etc. Implying their relative importance or implying the number of technical features indicated. Thus, the features defined as "first" and "second" may explicitly or implicitly include at least one of these features. In addition, the technical solutions of the various embodiments can be combined with each other, but it must be based on the realization of those skilled in the art. When the combination of technical solutions is contradictory or cannot be realized, it should be considered that the combination of technical solutions does not exist , also not within the scope of protection required by the utility model.

The solar cell welding machine is mainly used to weld multiple solar cells with welding rods. Before welding, individual solar cells need to be transferred to the production line in order to arrange them according to the required solar cell specifications, and at the same time arrange the welding rods accordingly , and finally use a welding device to weld the solar cells. However, the existing solar cell welding machines can only realize the automatic welding of a single string of solar cells, resulting in low production efficiency.

In view of this, the utility model provides a solar cell welding machine, the solar cell welding machine includes a battery sheet transmission mechanism, which can sequentially transfer the battery sheets to the production line of the solar cell welding machine in groups to meet the needs of the battery sheet. Group multiple pieces side by side and weld at the same time, so as to realize the ability of multiple welding battery pieces, and solve the technical problem of low transmission efficiency in the transmission mechanism of existing solar battery pieces. The current illustration is a 3-fold design, and the actual design can be more. Based on the same principle, it will not be repeated.

1 to 3 are structural schematic diagrams of a specific embodiment of the transmission mechanism 300 of the battery slice 100 provided by the present invention.

Please refer to FIG. 1 , the transmission mechanism 300 of the battery slice 100 is used to transport the battery slice group 200 , the battery slice group 200 includes a plurality of battery slices 100 arranged at intervals, and the number of 100 battery slices in each battery slice group 200 is the same as that of solar energy Corresponds to the number of battery strings processed by the battery welding machine. In this embodiment, each set of battery slice groups 200 includes three battery slices 100. After each set of battery slice groups 200 is moved to the production line in turn, three battery slice strings are formed, and solar energy is formed after the welding process. solar panels. The transmission mechanism provided in this embodiment can directly deliver the required cell packs to the nearest preparation position, and realize short strokes and fast beats for quick pick-up.

The transmission mechanism 300 includes a base, a transmission device 10 and a detection device, and the base is used to carry the transmission device 10 and the detection device. Wherein the transmission device 10 includes a transmission base 11, a transmission belt 12 movably installed on the transmission base 11, and a first driving part 13, and the transmission base 11 has a feeding station 111 and a lower loading station arranged in sequence along the transmission direction. Material station 112, the conveyor belt 12 is extended between the loading station 111 and the unloading station 112, and the first driving part 13 drives the conveyor belt 12 to move along the transmission direction , for transporting the battery sheet 100 on the loading station 111 to the unloading station 112 . In this embodiment, the material loading worker 111 is set close to the material box for storing the solar cells 100 to be loaded, and a material loading device is arranged nearby, and the material unloading station 112 is close to the solar cell welding The production line of the machine is set, and a blanking device 40 is arranged nearby. The feeding device is used to move the cells 100 in the magazine to the conveyor belt 12 in groups, and the conveyor 10 is used to transfer the cell group 200 to the unloading station 112. The unloading device 40 It is used to move the battery sheet group 200 on the conveyor belt 12 to the production line of the solar cell welding machine, so that the solar cell welding machine can further perform procedures such as laying electrodes and welding.

Please refer to Fig. 1 and Fig. 2, the detection device is arranged on the base, and includes a positioning part 21 and/or a quality detection part 22, and the positioning part 21 is used to acquire Relative location information. The relative position information includes the relative position data among the multiple battery slices 100 of the battery slice group 200, and the relative position data includes the vertical spacing, lateral misalignment and angular alignment among the multiple battery slices 100 etc., the unloading device 40 can acquire the relative position data, and adjust the positions of the plurality of battery slices 100 in the battery slice group 200 at the unloading station 112 according to the relative position data, so as to be moved to the production line The battery sheets 100 on the screen meet the arrangement requirements required for production, for example, the spacing between the battery sheets 100 in each group of battery sheets 100 is equal, and they are aligned with each other, and are laid on the production line to form multiple required battery strings. In this embodiment, each set of battery slice groups 200 includes three battery slices 100, and each set of battery slice groups 200 is sequentially moved to the production line to form three strings of battery slices 100, which are formed after the welding process. solar panel.

The quality detection part 22 is used to obtain the quality information of the battery slice 100 on the transmission belt 12, and the quality information refers to relevant information that can reflect the quality of the battery slice 100, such as the fragment status and size of the battery slice 100, etc., so that it can Identify unqualified cells 100, so that the broken cells 100 can be replaced before the cells 100 are moved to the production line, so as to ensure that the cells 100 delivered to the production line are of qualified quality, avoid repairs, and improve the reliability of solar cells. Productivity.

In this embodiment, the transmission mechanism 300 of the solar cells 100 is used to transport the cell group 200, the cell group 200 includes a plurality of cells 100, the transmission mechanism 300 includes a base, a transmission device 10 and a detection device, the machine The seat is used to carry the transmission device 10 and the detection device. The transmission device 10 is used to transfer the battery sheet group 200 from the loading station 111 to the unloading station 112 where the solar cell welding machine production line is located, and the detection device is used for the transmission. The relative position information of the battery sheet group 200 transmitted by the device 10 and the quality of each battery sheet 100 are detected, so that the quality and/or positioning of the battery sheet 100 delivered to the production line can be guaranteed, thereby improving the transmission efficiency and satisfying A welding process for multiple strings of solar cells 100.

Further, please refer to FIG. 2 , the positioning component 21 includes a first detection camera 23 disposed at the blanking station 112, and the first detection camera 23 is disposed above the conveyor belt 12 for The relative position information of the battery sheet group 200 at the unloading station 112 is acquired. Specifically, the first detection camera 23 is used to photograph the battery sheet group 200 at the unloading station 112 to obtain the image information of the battery sheet group 200, and the positioning component 21 can analyze the image information to obtain the battery sheet group 200 Relative position data among the plurality of battery slices 100 in the group 200 . Preferably, the relative position data includes first relative position data and second relative position data, one of the battery slices 100 is used as a reference battery slice, and the offset of the reference battery slice relative to a preset position is measured as the first relative position The data is the second relative position data of the offsets of other battery slices 100 in the battery slice group 200 relative to the reference battery slice, so that the unloading device 40 can use the first relative position data and the second relative position data The position data adjusts the relative positions of the plurality of solar cells 100 in the cell group 200 at the unloading station 112, so that the arrangement of the cell groups 200 moved to the production line can meet the specific specifications of the solar cells produced. need.

Further, please refer to FIG. 2 , the quality inspection component 22 includes a second inspection camera 24 arranged at the loading station 111, and the second inspection camera 24 is arranged above the conveyor belt 12 for use in The quality information of each cell 100 at the loading station 111 is acquired. Specifically, the user of the second inspection camera 24 photographs the battery sheet group 200 at the loading station 111 to obtain image data of each battery sheet 100, and the quality inspection component 22 can analyze the image data to obtain the The quality information of the slices 100, such as the size information of each battery slice 100, the condition of fragments, etc., so that the battery slices 100 with unqualified quality can be identified. Therefore, unqualified battery pieces 100 can be replaced before the battery pieces 100 are moved to the production line, ensuring that the quality of the battery pieces 100 delivered to the production line is qualified, avoiding rework, and improving the production efficiency of solar cells.

Preferably, both the first detection camera 23 and the second detection camera 24 are CCD cameras. Please refer to FIG. 3 , the transfer seat 11 is provided with a light source 17 at the loading station 111 and/or the unloading station 112, and the light source 17 is arranged below the transfer belt 12. The strip 12 is at least partially of a light-transmitting material. Specifically, the upper side of the transmission seat 11 can be made of a transparent acrylic plate, and a light source 17 is arranged under the acrylic plate. The transmission belt 12 is light-transmitting at least at the position where the battery sheet 100 is placed, for example, it is made of a transparent or translucent material. The detection camera 24 provides suitable background light when shooting, so that the first detection camera 23 and the second detection camera 24 can obtain clearer image data, which is beneficial for analysis to obtain more accurate relative position data and/or or quality information.

Further, in order to ensure that the battery sheet group 200 at the loading station 111 can be accurately transported to the production line, the second detection camera 24 is also used to detect the initial state of the battery sheet group 200 at the loading station 111. Position information, the transmission mechanism 300 also includes a controller, the controller is electrically connected to the quality detection part 22 and the first driving part 13 to obtain the initial position information, and according to the initial position The information controls the first driving component 13 to drive the conveyor belt 12 to move according to a preset stroke. Specifically, the initial position information may be the coordinate data of the center of at least one of the battery slices 100 in the battery slice group 200 in the transport direction. A predetermined position on the production line obtains the moving distance of the battery sheet 100 in the conveying direction, and uses the distance as a preset stroke to control the first driving component 13 to drive the conveying belt 12 to move according to the preset stroke. In this way, it can be ensured that the battery sheet group 200 at the loading station 111 can be accurately transported to the production line, avoiding the situation that the solar cell production is affected due to inaccurate transport distance.

Further, please refer to FIG. 2 , the transport mechanism 300 also includes a pick-up device 30, the pick-up device 30 includes a pick-up component 31 and a second drive component 32, the pick-up component 31 is arranged at the loading station 111 to For picking up the battery sheet 100, the pick-up part 31 is movably installed on the base to have up and down and lateral movement strokes, and the second driving part 32 drives the pick-up part 3 to move up and down and laterally, so as to be used according to the The unqualified cell sheets 100 are removed from the conveyor belt 12 based on the quality information acquired by the quality inspection unit 22 . The loading station 111 is provided with a waste box 14, and the waste box 14 is installed on one side of the transmission seat 11 to accommodate the battery removed by the pick-up device 30 from the transmission belt 12. 100 pieces. In this way, unqualified battery slices 100 can be automatically and efficiently identified, and the battery slices 100 can be replaced, thereby improving production efficiency.

Preferably, referring to FIG. 3 , the transmission seat 11 also has a waiting station 113 between the loading station 111 and the unloading station 112, and the transmission belt 12 sequentially runs along the loading station. 111. The waiting station 113 and the unloading station 112 are extended. In this way, the battery sheet 100 that has been loaded and tested can be transported to the unloading station 112 after waiting at the waiting station 113. The unloading action can be carried out at the same time without mutual influence, which improves the production efficiency.

In order to conveniently fix the cell sheet 100 being transported, preferably, please refer to FIG. 3 , the transport device 10 also includes a vacuum generator, and the upper side of the transport seat 11 is provided with a suction port 15, and the suction port 15 is connected to the The vacuum generator is connected to generate negative pressure, and the conveyer belt 12 is provided with a strip-shaped hole 16 corresponding to the suction port 15, and the long side of the strip-shaped hole 16 extends along the conveying direction, wherein the The suction ports 15 at the loading station 111 , the waiting station 113 and the unloading station 112 are respectively communicated with the vacuum generator, and are controlled by independent switches to generate negative pressure. In this way, the position of the battery slice 100 is fixed by negative pressure during the transportation process, thereby preventing the battery slice 100 from shifting. And, further, the suction ports 15 at the loading station 111, the waiting station 113, and the unloading station 112 are respectively communicated with the vacuum generators, and each of them is controlled by independent switches to generate vacuum. Negative pressure, so that the negative pressure is not generated synchronously, but is controlled by the action of picking up or putting down the cell 100 at the station to control the generation or stop of the negative pressure, further improving production efficiency and avoiding damage to the cell.

The above are only preferred embodiments of the present utility model, and are not therefore limiting the patent scope of the present utility model. Under the conception of the present utility model, the equivalent structural transformations made by using the specification of the utility model and the contents of the accompanying drawings, or directly /Indirect application in other related technical fields is included in the patent protection scope of the present utility model.

Claims (10)

1. A transmission mechanism for battery slices, used to transmit battery slice groups, the battery slice group includes a plurality of battery slices, and the transmission mechanism includes: Machine base; The transmission device is arranged on the machine base, and comprises a transmission seat, a transmission belt movably installed on the transmission seat, and a first drive component, and the transmission seat has a loading station and an unloading station sequentially arranged along the transmission direction. position, the conveying belt is extended between the loading station and the unloading station, and the first driving part drives the conveying belt to move along the conveying direction, so as to move the upper The cells on the material station are transported to the unloading station; and, The detection device is arranged on the machine base and includes a positioning component and/or a quality detection component, and the positioning component is used to obtain relative position information of the battery sheet group on the transmission belt, and the relative position information includes the battery sheet The relative position data among the plurality of battery slices in the group, the quality detection component is used to obtain the quality information of the battery slices on the transmission belt. 2. The transmission mechanism of battery slices according to claim 1, wherein the positioning component includes a first detection camera set at the unloading station, and the first detection camera is set at the transmission above the belt, for obtaining the relative position information of the battery sheet group at the unloading station. 3. The transmission mechanism of battery slices according to claim 1, wherein the quality inspection component includes a second inspection camera arranged at the loading station, and the second inspection camera is arranged at the Above the conveyor belt, it is used to obtain the quality information of each cell at the loading station. 4. The transmission mechanism of battery slices according to claim 2 or 3, characterized in that, the transmission seat is provided with a light source at the loading station and/or the unloading station, and the light source is set Below the transmission belt, the transmission belt is at least partially made of light-transmitting material. 5. The transmission mechanism of battery slices according to claim 3, wherein the second detection camera is also used to detect the initial position information of the battery slice group at the loading station, and the transmission mechanism further includes a controller, the controller is electrically connected to the quality detection component and the first drive component to obtain the initial position information, and controls the first drive component to follow a preset The stroke drives the movement of the conveyor belt. 6. The transmission mechanism of battery slices according to claim 3, characterized in that, the transmission mechanism further comprises a pick-up device, the pick-up device includes a pick-up component and a second driving component, the pick-up component is arranged on the upper The material station is used to pick up battery slices. The pick-up component is movably installed on the base to have a vertical and lateral movement stroke. The second drive component drives the pick-up component to move up and down and laterally for The unqualified cells are removed from the conveyor belt based on the quality information acquired by the quality inspection component. 7. The transmission mechanism for battery slices according to claim 6, wherein a waste box is provided at the loading station, and the waste box is installed on one side of the transmission base for shelter The pick-up device removes the battery slices from the conveyor belt. 8. The transmission mechanism of battery slices according to claim 1, characterized in that, the transmission base also has a waiting station between the loading station and the unloading station, and the transmission belt sequentially Extending along the loading station, the waiting station and the unloading station. 9. The transmission mechanism of battery slices according to claim 8, wherein the transmission device further comprises a vacuum generator, and an adsorption port is opened on the upper side of the transmission seat, and the suction port is connected with the vacuum generator. connected to generate negative pressure, the conveyor belt is provided with a strip-shaped hole corresponding to the adsorption port, the long side of the strip-shaped hole extends along the transmission direction, wherein the feeding station, the The suction ports at the waiting station and the unloading station are respectively communicated with the vacuum generator, and each generates negative pressure through independent switch control. 10. A solar battery welding machine, characterized in that it comprises a transmission mechanism for battery sheets according to any one of claims 1-9.