阅读说明：本技术 喷砂机及太阳能基板生产线 (Sand blasting machine and solar substrate production line ) 是由 罗剑伟 于 2019-04-29 设计创作，主要内容包括：本发明公开了一种喷砂机和太阳能基板的生产线,涉及太阳能电池生产技术领域。喷砂机,包括传送装置、喷砂装置、网板和升降装置,传送装置用于传送待喷砂产品,网板设于传送装置的上方,升降装置与网板连接,用于带动网板上下移动；喷砂装置设于网板的上方,且喷砂装置用于在网板覆盖在待喷砂产品上时对待喷砂产品进行喷砂处理。利用该喷砂机即可得到需要的透光产品,不需要在喷砂前进行油墨印刷和喷砂后进行药液清洗,操作简单,避免了使用油墨和药液对身体的损害和环境的污染。在产线布置时,可以取消丝网印刷设备和药液清洗设备,简化了产线布局,减少了产线占地面积,降低了装备交付成本和生产成本。(The invention discloses a sand blasting machine and a production line of a solar substrate, and relates to the technical field of solar cell production. The sand blasting machine comprises a conveying device, a sand blasting device, a screen plate and a lifting device, wherein the conveying device is used for conveying a product to be subjected to sand blasting, the screen plate is arranged above the conveying device, and the lifting device is connected with the screen plate and is used for driving the screen plate to move up and down; the sand blasting device is arranged above the screen plate and is used for performing sand blasting treatment on the product to be subjected to sand blasting when the screen plate covers the product to be subjected to sand blasting. The needed light-transmitting product can be obtained by using the sand blasting machine, ink printing and liquid medicine cleaning after sand blasting are not needed before sand blasting, the operation is simple, and the damage to the body and the environmental pollution caused by using the ink and the liquid medicine are avoided. When the production line is arranged, the screen printing equipment and the liquid medicine cleaning equipment can be cancelled, the layout of the production line is simplified, the floor area of the production line is reduced, and the equipment delivery cost and the production cost are reduced.)

1. A blasting machine, comprising: the sand blasting device comprises a conveying device, a sand blasting device, a screen plate and a lifting device, wherein the conveying device is used for conveying a product to be subjected to sand blasting, the screen plate is arranged above the conveying device, and the lifting device is connected with the screen plate and is used for driving the screen plate to move up and down; the sand blasting unit is arranged above the screen plate, and the sand blasting unit is used for covering the screen plate on the product to be sand blasted, so that the product to be sand blasted is subjected to sand blasting treatment.

2. The blasting machine according to claim 1, wherein the lower surface of the mesh plate is provided with an elastic pad on which a mesh having the same shape as the mesh plate is provided.

3. The blasting machine according to claim 1, wherein the number of the lifting means is plural, and plural lifting means are uniformly connected to the edge of the mesh plate.

4. The blasting machine according to claim 3, wherein the shape of the screen plate is rectangular, the number of the lifting devices is 4, and 4 lifting devices are respectively connected with 4 corners of the screen plate.

5. The sander of claim 1, wherein the lifting device comprises a lift cylinder, a piston rod of the lift cylinder being removably connected to the screen.

6. The sand blasting machine according to claim 5, wherein the screen plate is provided with a through hole, the lifting device further comprises a connecting rod, the connecting rod is connected with the piston rod of the lifting cylinder along the extending direction of the piston rod of the lifting cylinder, the connecting rod is provided with a thread, the piston rod penetrates through the through hole, and the two sides of the screen plate are fixed with the screen plate through nuts in threaded connection with the connecting rod.

7. The sand blasting machine according to any one of claims 1 to 6, further comprising a controller and a pressure sensor, wherein the pressure sensor is arranged on the lower surface of the screen plate and used for detecting the pressure applied to the screen plate, the controller is connected with the pressure sensor and used for judging whether the screen plate is pressed on the product to be blasted according to the pressure applied to the screen plate, and when the screen plate is pressed on the product to be blasted, the controller controls the sand blasting machine to blast sand.

8. The sandblasting machine as claimed in claim 7, wherein the controller comprises a signal receiving module, a storage module, a judging module and a control signal sending module, wherein the signal receiving module is used for receiving the pressure signal received by the screen plate; the storage module is used for storing a preset pressure value; the judging module is used for judging whether the screen plate is pressed on the product to be subjected to sand blasting or not according to the pressure signal received by the screen plate and a preset pressure value; the control signal sending module is used for sending a control signal to the sand blasting device to control the sand blasting device to open when the screen plate is tightly pressed on the sand blasting product, and sending a control signal to the lifting device to control the lifting device to drive the screen plate to descend when the screen plate is not tightly pressed on the sand blasting product.

9. A blasting machine according to claim 1 further comprising a purge means mounted above the conveyor for purging the screen and conveyor.

10. The production line of the solar substrate is characterized by comprising a feeding area, a sand blasting area, a cleaning area and a discharging area which are sequentially arranged, wherein the sand blasting area is internally provided with a sand blasting machine according to any one of claims 1 to 9.

Technical Field

Relate to solar cell production technical field, especially relate to a sand blasting machine and solar substrate production line. The invention

Background

With the increasing exhaustion of petrochemical energy and the increasing deterioration of human living environment, countries in the world have more and more support on renewable energy sources such as solar energy, wind energy and the like. The photovoltaic building integration technology integrates solar power generation products into a building, not only meets the basic requirements of the building, but also can play a role in power generation.

In the existing solar cell module, a solar cell layer is covered on a substrate to form a solar cell substrate, and then a glass cover plate is covered on the substrate to encapsulate the solar cell layer. The conventional solar cell production line involves three types of equipment: the screen printing equipment, sandblast and liquid medicine cleaning equipment, the screen printing equipment is mainly used for printing opacity product technology, pass through different shape otter board printing with printing ink on glass CIGS layer, through UV ultraviolet curing, utilize the compressed air of pipeline to carry powdered particle (320 mesh white corundum ═ 44um) material from one to another place by the sand blasting machine equipment again, in-process by kinetic energy conversion potential energy, make the high-speed sand grain that moves erode the object surface, reach the effect that the clearance improves object surface quality, remain the rete of required shape, reuse medicine washer equipment acid-base neutralization reaction and wash off the printing ink on the chip (liquid medicine case adds KOH, the printing ink is the acid material), reach the printing opacity product that we need at last. However, the screen printer needs to use printing ink which contains chemical substances such as isopropanol and the like and is harmful to the body; chemical products such as potassium hydroxide are contained in the drug washing equipment, so that environmental pollution is easily caused.

Disclosure of Invention

In order to solve the technical problems, the invention provides the sand blasting machine, a light-transmitting product can be obtained through treatment of the sand blasting machine, ink printing and liquid medicine cleaning are not needed, and body harm and environmental pollution caused by use of ink and chemical products are avoided.

The sand blasting machine comprises a conveying device, a sand blasting device, a screen plate and a lifting device, wherein the conveying device is used for conveying a product to be subjected to sand blasting, the screen plate is arranged above the conveying device, and the lifting device is connected with the screen plate and used for driving the screen plate to move up and down; the sand blasting device is arranged above the screen plate and is used for performing sand blasting treatment on the product to be subjected to sand blasting when the screen plate covers the product to be subjected to sand blasting.

When the sand blasting device is used, when a product to be subjected to sand blasting is conveyed to a sand blasting position, the lifting device drives the screen plate to descend to enable the screen plate to be attached to the product to be subjected to sand blasting, then the sand blasting device performs sand blasting on the product to be subjected to sand blasting, sand grains moving at a high speed are used for scouring the surface of the product, the exposed CIGS layer is ground, partial film layer covered by the screen plate is reserved, and a light-transmitting product in a required shape is formed. The needed light-transmitting product can be obtained by using the sand blasting machine, ink printing and liquid medicine cleaning after sand blasting are not needed before sand blasting, the operation is simple, and the damage to the body and the environmental pollution caused by using the ink and the liquid medicine are avoided. When the production line is arranged, the screen printing equipment and the liquid medicine cleaning equipment can be cancelled, the layout of the production line is simplified, the floor area of the production line is reduced, and the equipment delivery cost and the production cost are reduced.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

Drawings

The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the example serve to explain the principles of the invention and not to limit the invention.

FIG. 1 is a schematic structural diagram of a blasting machine according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a solar substrate production line according to an embodiment of the present invention.

In the figure, 1: a screen plate; 2: a lifting device; 3: a piston rod; 4: products to be sandblasted; 5: a conveying device; 100: a sand blasting area; 200: a feeding area; 300: a cleaning area; 400: a blanking area.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention without any inventive step, are within the scope of protection of the invention.

As shown in fig. 1, the sand blasting machine provided by the embodiment of the present invention includes a conveying device 5, a sand blasting device, a screen plate 1 and a lifting device 2, wherein the conveying device 5 is used for conveying a product 4 to be subjected to sand blasting, the screen plate 1 is disposed above the conveying device 5, the lifting device 2 is connected to the screen plate 1 and is used for driving the screen plate 1 to move up and down, the sand blasting device is disposed above the screen plate 1, and the sand blasting device is used for performing sand blasting on the product 4 to be subjected to sand blasting when the screen plate 1 covers the product 4 to be subjected to sand blasting.

When the sand blasting device is used, when a product 4 to be subjected to sand blasting is conveyed to a sand blasting position, the lifting device 2 drives the screen plate 1 to descend to enable the screen plate 1 to be attached to the product 4 to be subjected to sand blasting, then the sand blasting device is used for performing sand blasting on the product 4 to be subjected to sand blasting, sand grains moving at a high speed are used for scouring the surface of the product, the exposed CIGS layer is ground, and a part of film layer covered by the screen plate 1 is reserved to form a light-transmitting product in a required shape. The needed light-transmitting product can be obtained by using the sand blasting machine, ink printing and liquid medicine cleaning after sand blasting are not needed before sand blasting, the operation is simple, and the damage to the body and the environmental pollution caused by using the ink and the liquid medicine are avoided. When the production line is arranged, the screen printing equipment and the liquid medicine cleaning equipment can be cancelled, the layout of the production line is simplified, the floor area of the production line is reduced, and the equipment delivery cost and the production cost are reduced.

Further, in some embodiments of the invention, the lower surface of the mesh plate 1 is provided with an elastic pad on which a mesh having the same shape as the mesh plate 1 is disposed. The elastic cushion prevents the screen plate 1 from rigidly contacting the sand blasting product 4, and prevents the screen plate 1 from damaging the sand blasting product 4. The mesh is arranged on the elastic pad, so that the normal operation of sand blasting can be ensured.

Further, in some embodiments of the present invention, the number of the lifting devices 2 is multiple, and the plurality of lifting devices 2 are uniformly connected to the edge of the screen plate 1, when in use, the lifting devices 2 drive the screen plate 1 to move up and down, so that the screen plate 1 can be attached to the product 4 to be sandblasted or away from the product 4 to be sandblasted. The arrangement of the lifting devices 2 enables the screen plate 1 to move up and down more stably, and stability and safety of the structure of the sand blasting machine are improved. It should be noted that, in the invention, the number of the lifting devices is not limited, and the number of the lifting devices can be set reasonably according to the specification of the product to be subjected to sand blasting.

Further, in some embodiments of the present invention, the lifting device 2 includes a lifting cylinder, and a piston rod 3 of the lifting cylinder is detachably connected to the net plate 1. After sandblast many times, the easy remaining sand grain after the sandblast on otter board 1 influences subsequent sandblast effect, consequently makes detachable with otter board 1, makes things convenient for the dismantlement and the change to otter board 1.

Further, in some embodiments of the present invention, the sandblasting machine further includes a controller and a pressure sensor, the pressure sensor is disposed on the lower surface of the screen plate 1 and is used for detecting a pressure applied to the screen plate 1, the controller is connected to the pressure sensor and is used for judging whether the screen plate 1 is pressed against the product 4 to be sandblasted according to the pressure applied to the screen plate 1, and when the screen plate 1 is pressed against the product 4 to be sandblasted, the controller controls the sandblasting machine to blast sand. When the screen plate 1 is not pressed on the product 4 to be sandblasted, a sandblasting device can remove the CIGS film layer which is not removed, and a light-transmitting product with a corresponding shape cannot be obtained, so that whether the screen plate 1 is pressed on the product 4 to be sandblasted or not needs to be judged, a pressure sensor is arranged on the lower surface of the screen plate 1, the pressure applied to the lower surface of the screen plate 1 is detected through the pressure sensor, namely, the pressure applied to the product 4 to be sandblasted, and whether the screen plate 1 is pressed on the product 4 to be sandblasted or not is judged.

Further, in some embodiments of the present invention, the controller includes a signal receiving module, a storage module, a determining module and a control signal sending module, wherein the signal receiving module is configured to receive a pressure signal received by the network board 1; the storage magic cave Ordovic is used for storing a preset pressure value; the judging module is used for judging whether the screen plate 1 is pressed on the product 4 to be subjected to sand blasting or not according to the pressure signal received by the screen plate 1 and a preset pressure value; the control signal sending module is used for sending a control signal to the sand blasting device to control the sand blasting device to open when the screen plate 1 is compressed and pressed on the product 4 to be subjected to sand blasting, and sending a control signal to the lifting device 2 to control the lifting device 2 to drive the screen plate 1 to descend until the screen plate 1 is compressed and pressed on the product 4 to be subjected to sand blasting when the screen plate 1 is not compressed and pressed on the product to be subjected to sand blasting, and controlling the lifting device 2 to stop acting.

Further, in some embodiments of the present invention, the shape of the net plate 1 is rectangular, the number of the lifting devices 2 is 4, and 4 lifting devices 2 are respectively connected to 4 corners of the net plate 1. The lifting device 2 is connected with the screen plate 1 at 4 corners of the screen plate 1, and the normal sand blasting treatment of the sand blasting device on sand blasting products is not influenced.

Further, in some embodiments of the present invention, the sandblasting machine further comprises a purging device installed above the conveyor 5 for purging the mesh plate 1 and the conveyor 5. After the sand blasting is finished, the product is conveyed to the next work area for cleaning, but sand grains and dust possibly remain on the screen plate 1 and the conveying device 5 to influence the sand blasting of the following product, and the problem can be solved by adopting the blowing device to blow the screen plate 1 and the conveying device 5, so that the stability and the safety of the production line are improved.

Further, in some embodiments of the present invention, the mesh plate 1 is provided with a through hole, the lifting device 2 further includes a connecting rod, the connecting rod is connected to the piston rod 3 of the lifting cylinder along the extending direction of the piston rod 3 of the lifting cylinder, the connecting rod is provided with a thread, the piston rod 3 passes through the through hole, and the mesh plate 1 is fixed on two sides of the mesh plate 1 by nuts disposed on two sides of the mesh plate 1 and in threaded connection with the connecting rod. Due to the structure, the screen plate 1 can be detached, and the screen plate 1 is convenient to replace.

As shown in fig. 2, an embodiment of the present invention further provides a production line of a solar substrate, including a feeding area 200, a sand blasting area 100, a cleaning area 300, and a discharging area 400, which are sequentially arranged, where a sand blasting machine is arranged in the sand blasting area 100, and a desired light-transmitting product can be obtained by using the sand blasting machine, and there is no need to perform ink printing and cleaning with a liquid medicine before sand blasting, so that the operation is simple, and damage to a body and environmental pollution caused by using ink and liquid medicine are avoided. When the production line is arranged, the screen printing equipment and the liquid medicine cleaning equipment can be cancelled, the layout of the production line is simplified, the floor area of the production line is reduced, and the equipment delivery cost and the production cost are reduced.

In summary, the production line of the sand blasting machine and the solar substrate provided by the embodiment of the invention comprises a conveying device, a sand blasting device, a screen plate and a lifting device, wherein the conveying device is used for conveying a product to be subjected to sand blasting, the screen plate is arranged above the conveying device, the lifting device is connected with the screen plate and is used for driving the screen plate to move up and down, the sand blasting device is arranged above the screen plate, and the sand blasting device is used for performing sand blasting on the product to be subjected to sand blasting when the screen plate covers the product to be subjected to sand blasting. When the sand blasting device is used, when a product to be subjected to sand blasting is conveyed to a sand blasting position, the lifting device drives the screen plate to descend to enable the screen plate to be attached to the product to be subjected to sand blasting, then the sand blasting device performs sand blasting on the product to be subjected to sand blasting, sand grains moving at a high speed are used for scouring the surface of the product, the exposed CIGS layer is ground, partial film layer covered by the screen plate is reserved, and a light-transmitting product in a required shape is formed. The needed light-transmitting product can be obtained by using the sand blasting machine, ink printing and liquid medicine cleaning after sand blasting are not needed before sand blasting, the operation is simple, and the damage to the body and the environmental pollution caused by using the ink and the liquid medicine are avoided. When the production line is arranged, the screen printing equipment and the liquid medicine cleaning equipment can be cancelled, the layout of the production line is simplified, the floor area of the production line is reduced, and the equipment delivery cost and the production cost are reduced.

It is to be understood that, in the description of the present invention, the terms "connected" and "coupled", unless otherwise specified, include both direct and indirect connections.

Although the embodiments of the present invention have been described above, the above description is only for the convenience of understanding the present invention, and is not intended to limit the present invention. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.