阅读说明：本技术 一种切刀分离设备 (Cutter separation equipment ) 是由 马昀锋 陶斯尧 郑璐 张建文 何银凤 梁汉 杨紫琪 刘浪 雷鸣宇 顾兴 韩金豆 于 2020-06-24 设计创作，主要内容包括：本发明公开了一种切刀分离设备,包括机架以及位于机架上的：用于输送光伏组件的输送线、横向切割装置、纵向切割装置和层间切割装置；其中,所述横向切割装置用于对光伏组件的横向拼接缝进行切割；所述纵向切割装置用于对光伏组件的纵向拼接缝进行切割；所述层间切割装置用于对光伏组件中电池片层和玻璃片层之间的胶膜层进行切割剥离。本发明的切刀分离设备可以实现针对电池片层和玻璃片层的分离以及针对电池片层中若干电池片的精准分割,具有显著的分离精准、工作效率高的特点。(The invention discloses a cutter separating device, which comprises a rack and a cutter separating device, wherein the cutter separating device is positioned on the rack and comprises: the device comprises a conveying line, a transverse cutting device, a longitudinal cutting device and an interlayer cutting device, wherein the conveying line is used for conveying photovoltaic modules; the transverse cutting device is used for cutting a transverse splicing seam of the photovoltaic module; the longitudinal cutting device is used for cutting a longitudinal splicing seam of the photovoltaic module; the interlayer cutting device is used for cutting and stripping a glue film layer between a battery sheet layer and a glass sheet layer in the photovoltaic module. The cutter separation equipment provided by the invention can realize separation of the battery sheet layer and the glass sheet layer and accurate segmentation of a plurality of battery sheets in the battery sheet layer, and has the characteristics of remarkable separation accuracy and high working efficiency.)

1. A cutter separation device is used for cutting and separating photovoltaic modules and is characterized by comprising a rack (1), and a first pressure roller pair transmission device (3a), a transverse cutting device (4), a longitudinal cutting device (5), a second pressure roller pair transmission device (3b), an interlayer cutting device (6) and a third pressure roller pair transmission device (3c) which are assembled on the rack (1) and sequentially arranged along the advancing direction of the photovoltaic modules to be cut and separated; wherein:

the first pressure-pair roller conveying device (3a) is configured to convey the received photovoltaic module to be cut and separated to the transverse cutting device (4), and the transverse cutting device (4) is configured to cut a transverse splicing seam of the photovoltaic module;

a first auxiliary conveying roller (7) is arranged between the transverse cutting device (4) and the longitudinal cutting device (5), the first auxiliary conveying roller (7) is configured to convey the photovoltaic assembly cut by the transverse cutting device (4) to the longitudinal cutting device (5), and the longitudinal cutting device (5) is configured to cut a longitudinal splicing seam of the photovoltaic assembly;

the second pressure pair roller conveying device (3b) is configured to convey the photovoltaic module cut by the longitudinal cutting device (5) to the interlayer cutting device (6), the interlayer cutting device (6) is configured to cut and peel off a film layer between a battery sheet layer and a glass sheet layer in the photovoltaic module, and the third pressure pair roller conveying device (3c) is configured to convey the cut and peeled photovoltaic module out.

2. The cutter separation apparatus according to claim 1, wherein the first pressure-pair roller conveyor (3a), the second pressure-pair roller conveyor (3b) and the third pressure-pair roller conveyor (3c) each comprise: the photovoltaic module friction transmission device comprises a supporting frame, a rotatable upper roller set and a rotatable lower roller set, wherein the rotatable upper roller set and the rotatable lower roller set are arranged on the supporting frame, a traveling channel of a photovoltaic module is formed between the upper roller set and the lower roller set, and the photovoltaic module is extruded by the upper roller set and the lower roller set to realize friction transmission of the photovoltaic module.

3. The cutter separation apparatus of claim 2 wherein the gap between the upper set of rollers and the lower set of rollers is adjustable.

4. The cutter separation device according to claim 1, wherein the transverse cutting means (4) comprises: the device comprises a transverse moving assembly, a lifting assembly and a transverse cutting blade (411), wherein the transverse moving assembly drives the transverse cutting blade (411) to reciprocate along a direction parallel to the transverse splicing seam, and the lifting assembly drives the transverse cutting blade (411) to be close to or far away from a traveling channel of a photovoltaic assembly.

5. The cutter separation device according to claim 1, wherein the longitudinal cutting means (5) comprises: at least one longitudinal cutting module; the longitudinal cutting module comprises a blade seat (52) and a longitudinal cutting blade (53) arranged in the blade seat (52); the longitudinal cutting blade (53) corresponds to the longitudinal splice seam.

6. The cutter separation device according to claim 1, characterized in that the interlaminar cutting means (6) comprise: at least one interlayer cutting module, the interlayer cutting module comprises a base (69), a tool apron (611) arranged on the base (69), and at least one interlayer cutting blade (612) arranged in the tool apron (611), and when in a cutting state, the interlayer cutting blade (612) and the adhesive film layer are in the same plane.

7. The cutter separation apparatus according to claim 1, characterized in that a second auxiliary transfer roller (8) is arranged between the second pressure-pair roller transfer device (3b) and the third pressure-pair roller transfer device (3c) above the interlaminar cutting device (6).

8. The cutter separation apparatus according to claim 1, characterized in that a first inductor is provided between the first pressure-pair roller conveyor (3a) and the transverse cutting device (4); a second sensor is arranged between the second pressure pair roller conveying device (3b) and the interlayer cutting device (6).

9. The cutter separation apparatus according to claim 1, characterized in that a conveying idler (2) is connected to the input end of the first pressure-pair roller conveyor (3 a).

10. The cutter separation device of claim 1 wherein a first heating element is provided in the transverse cutting means; a second heating element is arranged in the longitudinal cutting device; and a third heating element is arranged in the interlayer cutting device.

Technical Field

The invention relates to the technical field of photovoltaic module recovery, in particular to cutter separation equipment.

Background

According to application requirements, a group of photovoltaic cells, called a photovoltaic module, with solar cells combined to a certain rated output power and output voltage. Photovoltaic modules can form arrays of various sizes depending on the size and scale of the photovoltaic power plant. The photovoltaic module is made of high-efficiency monocrystalline silicon or polycrystalline silicon photovoltaic cells, high-transmittance toughened glass, EVA (ethylene vinyl acetate), corrosion-resistant aluminum alloy multi-frame and other materials by using an advanced vacuum lamination process and a pulse welding process, and can ensure a long service life even in the harshest environment. When the service life of the photovoltaic module reaches 20 to 25 years, the conversion efficiency of the photovoltaic cell is reduced, the photovoltaic cell needs to be scrapped and updated at the moment, the scrapped photovoltaic cell is recycled, the cost can be reduced, and the photovoltaic module has great economic value and environmental protection ecological benefits. In the process of recycling scrapped photovoltaic cells, an aluminum frame, a junction box and a back plate are removed firstly, then a cell sheet layer and a glass sheet layer in a photovoltaic module and a plurality of cell sheets in the cell sheet layer are required to be separated, the current main separation mode is to manually scrape the cell sheets in the cell sheet layer, the separation mode is low in working efficiency, the manual operation intensity is high, and the safety in the working process can not be guaranteed.

Disclosure of Invention

In order to solve the problems of low working efficiency and high working strength of the existing photovoltaic component recovery and separation, the invention provides a cutter separation device capable of efficiently separating photovoltaic components.

The invention provides a cutter separation device, which is used for cutting and separating a photovoltaic module and comprises a rack, and a first pressure roller pair transmission device, a transverse cutting device, a longitudinal cutting device, a second pressure roller pair transmission device, an interlayer cutting device and a third pressure roller pair transmission device which are assembled on the rack and sequentially arranged along the advancing direction of the photovoltaic module to be cut and separated; wherein:

the first pressure roller pair conveying device is configured to convey the received photovoltaic modules to be cut and separated to the transverse cutting device, and the transverse cutting device is configured to cut transverse splicing seams of the photovoltaic modules;

a first auxiliary conveying roller is arranged between the transverse cutting device and the longitudinal cutting device, the first auxiliary conveying roller is configured to convey the photovoltaic assembly cut by the transverse cutting device to the longitudinal cutting device, and the longitudinal cutting device is configured to cut a longitudinal splicing seam of the photovoltaic assembly;

the second pressure roller pair conveying device is configured to convey the photovoltaic assembly cut by the longitudinal cutting device to the interlayer cutting device, the interlayer cutting device is configured to cut and peel off a glue film layer between a battery sheet layer and a glass sheet layer in the photovoltaic assembly, and the third pressure roller pair conveying device is configured to convey the cut and peeled photovoltaic assembly out.

Preferably, the first pressure-pair roller conveying device, the second pressure-pair roller conveying device and the third pressure-pair roller conveying device respectively comprise: the photovoltaic module friction transmission device comprises a supporting frame, a rotatable upper roller set and a rotatable lower roller set, wherein the rotatable upper roller set and the rotatable lower roller set are arranged on the supporting frame, a traveling channel of a photovoltaic module is formed between the upper roller set and the lower roller set, and the photovoltaic module is extruded by the upper roller set and the lower roller set to realize friction transmission of the photovoltaic module.

Preferably, the gap between the upper set of rollers and the lower set of rollers is adjustable.

Preferably, the transverse cutting device comprises: the transverse moving assembly drives the transverse cutting blade to reciprocate along the direction parallel to the transverse splicing seam, and the lifting assembly drives the transverse cutting blade to be close to or far away from a traveling channel of the photovoltaic assembly.

Preferably, the longitudinal cutting device comprises: at least one longitudinal cutting module; the longitudinal cutting module comprises a blade holder and a longitudinal cutting blade disposed in the blade holder; the longitudinal cutting blade corresponds to the longitudinal splicing seam.

Preferably, the interlayer cutting apparatus includes: at least one layer cutting module, layer cutting module include the base, set up in blade holder on the base, set up in at least one in the blade holder layer cutting blade, when the cutting state, layer cutting blade with the rete is in the coplanar.

Preferably, a second auxiliary conveying roller is arranged between the second pressure-pair roller conveying device and the third pressure-pair roller conveying device and above the interlayer cutting device.

Preferably, a first sensor is arranged between the first pressure pair roller conveying device and the transverse cutting device; and a second sensor is arranged between the second pressure pair roller conveying device and the interlayer cutting device.

Preferably, the input end of the first pressure pair roller conveying device is connected with a conveying idler.

Preferably, a first heating element is arranged in the transverse cutting device; a second heating element is arranged in the longitudinal cutting device; and a third heating element is arranged in the interlayer cutting device.

Compared with the existing method for manually recycling the cell pieces and the glass pieces in the photovoltaic module, when the cutter separation equipment provided by the invention is used for separating and recycling the cell pieces and the glass pieces in the photovoltaic module, the separation of the cell pieces and the glass pieces and the accurate segmentation of a plurality of cell pieces in the cell pieces can be realized, and the cutter separation equipment has the characteristics of remarkable separation accuracy and high working efficiency.

Drawings

FIG. 1 is a schematic diagram of the construction of an exemplary knife separation apparatus of the present invention;

FIG. 2 is a schematic structural view of a first pressure pair roller conveying device in the cutter separating apparatus according to embodiment 1 of the present invention;

fig. 3 is an enlarged schematic view of a connecting structure of an upper roller and a support frame in the first pressure-pair roller conveying device according to embodiment 1 of the present invention;

FIG. 4 is a schematic view showing an exemplary structure of a transverse cutting apparatus according to embodiment 1 of the present invention;

fig. 5 and 6 are schematic views showing an exemplary structure of a longitudinal cutting apparatus according to embodiment 1 of the present invention;

fig. 7 is a schematic view of an exemplary structure of an interlayer cutting apparatus according to embodiment 1 of the present invention.

Detailed Description

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the specific embodiments set forth herein. Rather, these embodiments are provided to explain the principles of the invention and its practical application to thereby enable others skilled in the art to understand the invention for various embodiments and with various modifications as are suited to the particular use contemplated.

The photovoltaic module with the aluminum frame, the junction box and the back plate removed further comprises a battery sheet layer, a glass sheet layer and a glue film layer between the battery sheet layer and the glass sheet layer. The battery sheet layer is formed by splicing and combining a plurality of battery sheets, so that the battery sheet layer is provided with a plurality of transverse splicing seams and longitudinal splicing seams. The cutter separation equipment provided by the invention is used for cutting and separating a plurality of battery pieces in the battery piece layer along the transverse splicing seam and the longitudinal splicing seam, and simultaneously separating the battery piece layer and the glass piece layer, so that the classification treatment of different materials is facilitated.

Fig. 1 is a schematic view of a structure of a cutter separating apparatus according to an exemplary embodiment of the present invention.

Referring to fig. 1, the cutter separating device of the present invention comprises a frame 1 and photovoltaic modules arranged on the frame 1 in sequence along the traveling direction of the photovoltaic modules to be cut and separated: a first pressure pair roller transmission device 3a, a first sensor, a transverse cutting device 4, a longitudinal cutting device 5, a second pressure pair roller transmission device 3b, a second sensor, an interlayer cutting device 6 and a third pressure pair roller transmission device 3 c; the first inductor is adjacently arranged in front of the transverse cutting device 4 and used for inducing a transverse splicing seam of a cell sheet layer in the photovoltaic module; the transverse cutting device 4 comprises a transverse cutting blade which can move up and down and can reciprocate along the direction parallel to the transverse splicing seam; the longitudinal cutting means 5 comprise longitudinal cutting blades; the second inductor is adjacently arranged in front of the interlayer cutting device 6 and used for inducing the photovoltaic module. Wherein the arrangement order of the transverse cutting device 4, the longitudinal cutting device 5 and the interlayer cutting device 6 is not limited.

Wherein, the transfer chain interval sets up between horizontal cutting device 4, vertical cutting device 5 and interlayer cutting device 6. Thus, the conveyor line can convey the photovoltaic module through the transverse cutting device 4, the longitudinal cutting device 5, and the interlaminar cutting device 6.

In some preferred embodiments, the conveyor line is a double-roll conveyor line, comprising a first pressure-pair-roll conveyor 3a, a second pressure-pair-roll conveyor 3b and a third pressure-pair-roll conveyor 3 c. According to photovoltaic module's transport route, cutter splitter is by frame 1 to and set gradually on the frame 1: the device comprises a first pressure pair roller transmission device, a first sensor 3a, a transverse cutting device 4, a longitudinal cutting device 5, a second pressure pair roller transmission device 3b, a second sensor, an interlayer cutting device 6 and a third pressure pair roller transmission device 3 c.

In some preferred embodiments, the upper and lower roller sets in the double-roller conveying line are made of elastic rubber.

In some preferred embodiments, the upper roller set can be adjusted up and down according to the thickness of the photovoltaic module, and the lower roller set is fixed in the radial direction.

In some preferred embodiments, the lower roller set can be adjusted up and down according to the thickness of the photovoltaic module, and the upper roller set is fixed in the radial direction.

And the transverse cutting device 4 cuts the battery sheet layer along the transverse splicing seam of the battery sheet layer. Specifically, the method comprises the following steps: when the first sensor senses the transverse splicing seam of the battery sheet layer, the conveying of the roller group conveying line is stopped, and the transverse cutting device starts to cut the battery sheet layer along the transverse splicing seam of the battery sheet layer.

In some preferred embodiments, the transverse cutting device 4 further comprises a moving assembly for driving the transverse cutting blade to reciprocate along a direction parallel to the roll axis (i.e. the transverse splicing seam direction of the battery sheet layers) and a lifting assembly for driving the transverse cutting blade to approach or move away from the conveying line.

In some preferred embodiments, the transverse cutting device 4 is further provided with a heating element, the heating element is mainly used for heating the transverse cutting blade, and the transverse cutting blade with high temperature can soften the bonding glue between the battery pieces, so that the cutting process is easier. It is noted that "elevated temperature" herein refers to a temperature above room temperature, and the most preferred temperature is the softening temperature of the adhesive.

The longitudinal cutting device 5 cuts the battery sheet layer along the longitudinal splicing seam of the battery sheet layer, and comprises at least one longitudinal cutting module, and the longitudinal cutting blade is arranged in the longitudinal cutting module. And adjusting the distance and the number of the longitudinal cutting modules according to the size of the battery pieces in the battery piece layer so as to ensure that the longitudinal cutting blades are aligned with the longitudinal splicing seams of the battery piece layer. Specifically, the method comprises the following steps: as the photovoltaic module is conveyed past the longitudinal cutting device, the longitudinal cutting blades in the longitudinal cutting device 5 begin to cut the cell layers along their longitudinal seams.

In some preferred embodiments, a heating element is further disposed in the longitudinal cutting device 5 to heat the longitudinal cutting blade, and the high-temperature longitudinal cutting blade can soften the adhesive between the battery pieces, so that the cutting process is easier. It is noted that "elevated temperature" herein refers to a temperature above room temperature, and the most preferred temperature is the softening temperature of the adhesive.

Wherein, the second inductor is used for inducing photovoltaic module.

Wherein, interlayer cutting device 6 includes interlayer cutting blade, and interlayer cutting blade cuts along the glued membrane layer to separate battery piece layer and glass piece layer. Specifically, the method comprises the following steps: when the photovoltaic module is sensed by the second sensor, conveying is stopped on the roller group conveying line, the interlayer cutting blade is aligned with or enters the adhesive film layer between the battery sheet layer and the glass sheet layer, and the interlayer cutting blade and the adhesive film layer are positioned on the same plane; and starting the pair roller group conveying line, and as the photovoltaic module continues to advance forwards, starting the interlayer cutting blade to separate the cell sheet layer and the glass sheet layer until the cell sheet layer and the glass sheet layer are completely separated.

In some preferred embodiments, a lifting assembly for driving the interlayer cutting blade to approach or depart from the roller conveying line is further arranged in the interlayer cutting device 6.

In some preferred embodiments, a heating element is further disposed in the interlayer cutting device to heat the interlayer cutting blade, and the interlayer cutting blade with high temperature can soften the adhesive glue of the adhesive film layer, so that the cutting process is easier. It is noted that "elevated temperature" herein refers to a temperature above room temperature, and the most preferred temperature is the softening temperature of the adhesive.