CN210200688U

CN210200688U - Solar cell conveying device and annealing furnace

Info

Publication number: CN210200688U
Application number: CN201921468383.XU
Authority: CN
Inventors: Changfeng Liu; 刘长峰
Original assignee: Jinan Deweihua Intelligent Technology Co Ltd
Current assignee: Jinan Deweihua Intelligent Technology Co Ltd
Priority date: 2019-09-04
Filing date: 2019-09-04
Publication date: 2020-03-27
Anticipated expiration: 2029-09-04

Abstract

The utility model relates to a solar wafer annealing stove field. The technical scheme is as follows: the utility model provides a solar wafer conveyor, includes a plurality of conveying unit that set up along solar wafer direction of delivery, conveying unit includes the transmission roller, install on the transmission roller with wait to carry solar wafer complex flexible friction cover. Through set up flexible friction cover on the transmission roller, with the increase and the solar wafer between the friction when using the transmission roller to carry the solar wafer, prevent that conveyor vibration from causing the skew phenomenon of solar wafer to take place, and then reach and realize better treatment to the solar wafer. In order to carry out better annealing treatment on the solar cell, the scheme also provides an annealing furnace on the basis of the conveying device.

Description

Solar cell conveying device and annealing furnace

Technical Field

The utility model relates to an annealing stove field specifically is a solar wafer conveyor, still relates to an use device's annealing stove.

Background

The solar cell irradiation annealing furnace can utilize a specific light source to perform irradiation annealing treatment on a solar cell piece under a certain temperature condition, and effectively prevent the solar cell from light decay. The annealing furnace needs to utilize the conveying device to convey the solar cell when processing the solar cell, and the stable and efficient conveying can make the annealing effect of the solar cell better.

At present, conveyor in solar cell irradiation annealing furnace is because the big transmission roller that easily makes of belt conveying amplitude takes place the vibration when carrying the solar wafer to lead to the solar wafer to take place to deviate, the processing procedure because of the solar wafer is gone on from conveyor's input to output, and the skew of solar wafer can make the solar wafer when handling the illumination be heated inhomogeneous, influences the treatment effect to the solar wafer.

Therefore, in order to solve the problem that the solar cell is deviated due to vibration generated when the conveying device conveys the solar cell in the solar cell irradiation annealing furnace, the development of the conveying device capable of stably conveying the solar cell is urgently needed.

SUMMERY OF THE UTILITY MODEL

The utility model discloses can take place the vibration and lead to solar wafer to take place skew technical problem when carrying to solar wafer among the solar cell irradiation annealing furnace conveyor provides one kind and can realize the conveyor that solar wafer steadily carried.

The utility model discloses a solve the technical scheme that above-mentioned technical problem adopted and be: the utility model provides a solar wafer conveyor, includes a plurality of conveying unit that set up along solar wafer direction of delivery, conveying unit includes the transmission roller, install on the transmission roller with wait to carry solar wafer complex flexible friction cover. Through set up flexible friction cover on the transmission roller, in order to increase and solar wafer's friction when using the transmission roller to carry solar wafer, prevent that conveyor vibration from causing the skew phenomenon of solar wafer to take place, and then reach and realize better treatment to solar wafer.

Furthermore, at least one flexible friction sleeve is arranged, and the outer surface of the flexible friction sleeve is a flexible rough surface.

Further, still include the backup pad, be provided with the recess on the backup pad, the rotatable installation of conveying unit is in the recess.

Further, the conveying unit comprises a transmission roller, transmission roller steel heads and belt pulleys, wherein the transmission roller steel heads and the belt pulleys are nested at two ends of the transmission roller, the transmission roller steel heads are matched and installed with the grooves through ball bearings, and the belt pulleys are fixedly connected with the transmission roller steel heads. The purpose of convenient installation and difficult abrasion is realized by nesting the steel heads of the conveying roller at the two ends of the conveying roller.

Further, the transmission roller steel head comprises a nesting portion and a connecting portion, the nesting portion is cylindrical and is nested at the end portion of the transmission roller, the connecting portion is solid and cylindrical, the outer diameter of the connecting portion is smaller than that of the nesting portion, and the connecting portion penetrates through the ball bearing and then is fixedly connected with the belt pulley. The belt pulley drives the transmission roller to rotate, and then the solar cell is conveyed.

Furthermore, a belt wheel positioning sleeve is arranged between the belt wheel and the ball bearing. The positioning of the belt pulley is realized.

Further, the belt pulley is arranged on one of the two transmission roller steel heads and is positioned on the outer side of the supporting plate.

Furthermore, two flexible friction sleeves are arranged, and both the two flexible friction sleeves can be in contact with the solar cell to be conveyed.

In order to carry out better annealing treatment on the solar cell, the scheme also provides an annealing furnace, which comprises the solar cell conveying device, an upper hearth and a lower hearth, wherein the solar cell conveying device is positioned between the upper hearth and the lower hearth.

Furthermore, a flow guide heating device is arranged above the solar cell conveying device.

The utility model discloses an adopt above-mentioned technical scheme, have following advantage:

1. through set up flexible friction cover on the transmission roller, in order to increase and solar wafer's friction when using the transmission roller to carry solar wafer, prevent that conveyor vibration from causing the skew phenomenon of solar wafer to take place, and then reach and realize better treatment to solar wafer.

2. The purpose that the transmission roller is convenient to mount and not easy to wear is achieved through the transmission roller steel head, the vibration amplitude of the transmission roller during working is reduced through the ball bearing, and stable conveying of the transmission roller is guaranteed.

3. Realize the location to the belt pulley through the band pulley position sleeve, guarantee a plurality of belt pulleys and move on same straight line, also prevent that the belt pulley from long-time operation and the off tracking.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of the conveying device in fig. 1.

Fig. 3 is a left side view of a portion of the delivery device of fig. 2.

In the figure, the device comprises a solar cell conveying device 1, a solar cell conveying device 2, an upper hearth 3, a flow guide heating device 4, a lower hearth 5, a solar cell 11, a belt pulley 12, a belt pulley positioning sleeve 13, a supporting plate 14, a transmission roller steel head 15, a transmission roller 16, a flexible friction sleeve 17 and a ball bearing.

Detailed Description

In order to make the technical solutions in the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

Detailed description of the preferred embodiment 1

As shown in fig. 1-2, a solar cell conveying device 1 comprises a support plate 13 and a conveying unit mounted on the support plate 13, wherein two support plates 13 are arranged in a mirror image relationship, a plurality of arc-shaped grooves are uniformly formed in the support plate 13 along the longitudinal direction of the support plate, the conveying unit is rotatably mounted in the grooves and can realize limiting, the conveying unit comprises a conveying roller 15, conveying roller steel heads 14 embedded at two ends of the conveying roller 15 and a belt pulley 11, the conveying roller steel heads 14 are mounted in the grooves in the support plate 13 through ball bearings 17, the vibration amplitude of the conveying roller 15 during operation is reduced through the ball bearings 17, stable conveying of the conveying roller 15 is ensured, the belt pulley 11 is fixedly connected with one of the conveying roller steel heads 14, the belt pulley 11 is located at the outer side of the support plate 13, and the purpose of facilitating mounting of the conveying roller 15 is realized through the conveying roller steel heads 14, the steel head 14 of the conveying roller has the effect of being not easy to wear in long-time work; the transmission roller steel head 14 is divided into two ends, the two ends are different in structural shape, one end is a nesting part, the other end is a connecting part, the nesting part is cylindrical and is nested at the end of the transmission roller 15 to realize the matched installation with the transmission roller 15, the connecting part is solid cylindrical, the outer diameter of the connecting part is smaller than that of the nesting part, the connecting part penetrates through the ball bearing 17 and then is fixedly connected with the belt pulley 11 to realize the matched installation with the ball bearing 17 and the belt pulley 11, and the connecting part rotates under the driving of the belt pulley 11 to further drive the transmission roller 15 to rotate so as to realize the continuous transmission; in order to prevent the belt pulley 11 from deviating due to long-time running, a belt pulley positioning sleeve 12 is arranged between the ball bearing 17 and the belt pulley 11 to position the belt pulley 11.

In order to prevent the deviation of the solar cell 5 caused by the vibration of the conveying device, as shown in fig. 2, a flexible friction sleeve 16 matched with the solar cell 5 to be conveyed is mounted on the conveying roller 15, and the outer surface of the flexible friction sleeve 16 is a rough surface, namely a surface matched with the solar cell 5, so that a larger friction force is generated during the conveying of the solar cell 5, the deviation caused by the vibration of a machine can be prevented, the solar cell 5 is ensured to be uniformly heated by illumination during the treatment, and a better treatment effect is achieved; in this embodiment, two short flexible friction sleeves 16 are provided, and both sleeves are sleeved on the transmission roller 15 to adapt to the width of the solar cell 5.

Detailed description of the preferred embodiment 2

As shown in fig. 1, in order to perform better annealing treatment on the solar cell 5, the scheme further provides an annealing furnace, which comprises the solar cell conveying device 1, an upper hearth 2 and a lower hearth 4, wherein the solar cell conveying device 1 is located between the upper hearth 2 and the lower hearth 4. Furthermore, a flow guiding and heating device 3 is arranged above the solar cell conveying device 1.

It should be noted that the upper hearth 2, the lower hearth 4, and the flow guiding heating device 3 are all prior art, and the present scheme is not described in detail.

Although the present invention has been described in detail by referring to the drawings in conjunction with the preferred embodiments, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and substance of the present invention, and these modifications or substitutions are intended to be within the scope of the present invention/any person skilled in the art can easily conceive of changes or substitutions within the technical scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a solar wafer conveyor, characterized in that includes a plurality of conveying units that set up along solar wafer direction of delivery, conveying unit includes transmission roller (15), install on transmission roller (15) with wait to carry solar wafer complex flexible friction cover (16).

2. The solar cell conveying device according to claim 1, characterized in that at least one flexible friction sleeve (16) is provided, and the outer surface of the flexible friction sleeve (16) is a flexible rough surface.

3. The solar cell conveying device according to claim 1, further comprising a support plate (13), wherein a groove is formed in the support plate (13), and the conveying unit is rotatably mounted in the groove.

4. The solar cell conveying device according to claim 3, wherein the conveying unit comprises a conveying roller (15), conveying roller steel heads (14) embedded at two ends of the conveying roller (15), and a belt pulley (11), the conveying roller steel heads (14) are installed in a matched mode with the grooves through ball bearings (17), and the belt pulley (11) is fixedly connected with the conveying roller steel heads (14).

5. The solar cell conveying device according to claim 4, wherein the transmission roller steel head (14) comprises a nested part and a connecting part, the nested part is cylindrical and is nested at the end part of the transmission roller (15), the connecting part is solid cylindrical and has an outer diameter smaller than that of the nested part, and the connecting part is fixedly connected with the belt pulley (11) after passing through the ball bearing (17).

6. The solar cell conveying device according to claim 5, wherein a pulley locating sleeve (12) is arranged between the pulley (11) and the ball bearing (17).

7. Solar cell conveying device according to claim 4, characterized in that the belt pulley (11) is arranged on one of the two transmission roller heads (14) and is located outside the support plate (13).

8. The solar cell conveying device according to claim 2, characterized in that the number of the flexible friction sleeves (16) is two, and both of the flexible friction sleeves (16) can be in contact with the solar cell to be conveyed.

9. An annealing furnace, characterized in that, comprises the solar cell conveying device (1) of any one of claims 1-8, and further comprises an upper hearth (2) and a lower hearth (4), and the solar cell conveying device (1) is positioned between the upper hearth (2) and the lower hearth (4).

10. The annealing furnace according to claim 9, characterized in that a flow-guiding heating device (3) is arranged above the solar cell sheet conveying device (1).