CN115892989A - Silicon wafer absorbing and carrying mechanism for photovoltaic - Google Patents

Abstract

The invention relates to a silicon wafer absorbing and carrying mechanism for photovoltaic, which comprises a carrying rail, wherein rectangular boxes are fixedly arranged on the left side and the right side of the carrying rail, a driving motor is fixedly arranged in each of the left rectangular boxes, driving wheels are rotatably arranged in each of the two rectangular boxes, and a sliding groove is formed in the top of the carrying rail. This transport mechanism is absorb to photovoltaic silicon chip, through setting up conveying mechanism, at the in-process of transmission photovoltaic silicon chip, output shaft through driving motor drives the left side drive wheel and rotates, drive wheel drive transmission band rotates between two drive wheels, thereby drive two removal casees and realize the removal about, driving motor's output shaft sets up to positive and negative reciprocating rotation, absorb the photovoltaic silicon chip through absorbing the structure, after absorbing, the angle of rotating the baffle comes to protect the photovoltaic silicon chip, thereby can not receive the influence tenesmus of gravity, the perpendicular transport that changes the mode of conventional horizontal transport into.

Description

A silicon wafer suction and transport mechanism for photovoltaics

technical field

The invention relates to the technical field of photovoltaic silicon wafer production, in particular to a photovoltaic silicon wafer absorbing and transporting mechanism.

Background technique

In recent years, solar photovoltaic power generation technology has been continuously improved, production costs have been continuously reduced, and conversion efficiency has been continuously improved, making the application of photovoltaic power generation increasingly popular and developing rapidly, and gradually becoming an important source of power supply. Photovoltaic silicon wafers are the core part of solar power generation systems , is also the most valuable part of the solar power generation system. The function of photovoltaic silicon wafers is to convert solar energy into electrical energy, which is sent to storage for storage, or directly used to drive loads. The quality and cost of photovoltaic silicon wafers will directly Determine the quality and cost of the entire solar power generation system.

Photovoltaic silicon wafers are very thin semiconductor elements. During the process of using photovoltaic silicon wafers for photovoltaic cell processing, it is necessary to move the photovoltaic silicon wafers quickly and avoid damage to the silicon wafers. However, the photovoltaic silicon wafers in the prior art The wafer handling mechanism adopts a parallel movement method when transporting, and the photovoltaic silicon wafer will cut the air flow, resulting in excessive vibration, which will damage the photovoltaic silicon wafer, and when dealing with different types of photovoltaic silicon wafers, the same The stability of handling cannot be guaranteed due to the size of the handling suction cup. Therefore, a silicon wafer suction and handling mechanism for photovoltaics is proposed.

Contents of the invention

Aiming at the deficiencies of the prior art, the present invention provides a suction and transport mechanism for photovoltaic silicon wafers, which has the advantages of improving the protection of photovoltaic silicon wafers during the transportation process and improving the adsorption strength by self-adapting the adsorption points according to the size of photovoltaic silicon wafers.

In order to achieve the above object, the present invention provides the following technical solutions: a photovoltaic silicon chip suction and transport mechanism, including a transport track, the left and right sides of the transport track are fixedly equipped with rectangular boxes, and the interior of the rectangular box on the left side is fixed A driving motor is installed, and transmission wheels are installed in the inside of the two rectangular boxes, and a chute is provided on the top of the transport track, and a transmission belt is installed between the two transmission wheels, and the transmission belt Two conveying mechanisms are fixedly installed on the top, a suction structure is arranged on the front side of the conveying mechanism, a compressor is fixedly installed on the top of the conveying mechanism, and a conveying pipe is fixedly installed on the output end of the compressor;

The conveying mechanism includes a moving box, the top of the conveyor belt is fixedly installed with a moving box, the inner bottom wall of the moving box is fixedly installed with a support frame, and the inside of the support frame is movably equipped with a rotating rod. The inside of the sliding box is equipped with a push block, the outer surface of the rotating rod and the left side of the push block are fixedly equipped with transmission teeth, the inner bottom wall of the moving box is fixedly equipped with a slide rail, and the left side wall of the moving box An electric push rod is fixedly installed, and a compression rod is fixedly installed on the inner bottom wall of the moving box and on the front side of the push block;

The suction mechanism includes a baffle plate fixedly installed on the front of the rotating rod, the bottom and left and right sides of the baffle plate are fixedly installed with a mounting frame, the bottom of the mounting frame is fixedly mounted with a suction cup, and the suction cups are connected There are vacuum pipes;

The suction cup includes a casing, the bottom of the installation frame is fixedly installed with a casing, the inside of the casing is fixedly installed with a connecting pipe, the bottom of the connecting pipe is fixedly installed with a vacuum suction head, and the inside of the casing is movably installed with an inner A core, a pressure sensor is fixedly installed on the bottom of the inner core, and a connecting spring is fixedly installed between the inner core and the outer shell.

Further, an inner cavity is opened inside the conveying track, and the opposite sides of the two rectangular boxes communicate with the inner cavity.

Further, both ends of the transmission belt pass through the rectangular box and extend to the inside of the rectangular box, and the output shaft of the drive motor is fixedly connected to the left drive wheel.

Further, the moving box is slidably installed on the top of the conveying track, and the output end of the delivery pipe is fixedly connected with the suction cup.

Further, the front of the rotating rod runs through the moving box and extends to the front of the moving box, and the rotating rod and the push block are engaged with each other through transmission teeth.

Further, the side of the push block close to the rotating rod is a 60-degree slope, the outer surface of the rotating rod is covered with a limit ring, and the bottom limit ring of the compression rod is fixedly connected.

Further, the compression rod includes a telescopic rod and a compression spring arranged inside the telescopic rod, the back of the electric push rod is fixedly connected with the push block, and the bottom of the push block is slidably installed on the slide rail.

Further, the vacuum pipeline passes through the shell and is fixedly connected to the connecting pipe, the bottom of the vacuum suction head is at the bottom of the shell, and the inner core is slidably installed on the inner side of the vacuum suction head.

Further, the handling mechanism also includes a control system, the control system is composed of a single-chip microcomputer, a motor drive module, a push rod drive module, a pressure sensing module, a vacuum adsorption module and a suction cup execution module, and the single-chip microcomputer controls the motor drive module, the push rod drive module, and the push rod through a wire circuit. The rod drive module and the vacuum adsorption module, the vacuum adsorption module provides power support for the composition of the suction cup execution module, and the pressure sensing module collects the pressure data of the suction cup execution module and feeds it back to the single-chip microcomputer.

Compared with the prior art, the technical solution of the present application has the following beneficial effects:

1. The silicon wafer suction and transport mechanism for photovoltaics is equipped with a conveying mechanism. During the process of transporting photovoltaic silicon wafers, the output shaft of the drive motor drives the left transmission wheel to rotate, and the transmission wheel drives the transmission belt between the two transmission wheels. Rotate to drive the two moving boxes to move left and right, and the output shaft of the drive motor is set to reciprocate forward and reverse.

2. The silicon wafer suction and transport mechanism for photovoltaics can absorb photovoltaic silicon wafers through the suction structure. After suction, turn the angle of the baffle to protect the photovoltaic silicon wafers, so that they will not fall under the influence of gravity. The way of horizontal handling is changed to vertical handling.

3. The photovoltaic silicon wafer absorbs and transports the mechanism, and through the contact with the air through the baffle, it avoids the vibration of the cutting air during the movement of the photovoltaic silicon wafer and damages its components, thereby improving the protection effect of the photovoltaic silicon wafer handling mechanism and reducing the cost of the photovoltaic silicon wafer. Consumption caused during transportation.

4. The suction and transport mechanism for photovoltaic silicon wafers, by setting the suction structure, can also use suction cups reasonably according to the size of the transported photovoltaic silicon wafers when absorbing photovoltaic silicon wafers, and adopt rectangularly arranged suction cups to carry out photovoltaic silicon wafers. Adsorption can be intelligently arranged according to the size of the photovoltaic silicon wafer to be transported, which not only ensures the stability of adsorption, but also reduces the energy effect.

Description of drawings

Fig. 1 is a top view of a suction and transport mechanism for photovoltaic silicon wafers of the present invention;

Fig. 2 is a left sectional view of a photovoltaic silicon chip suction and transport mechanism conveying mechanism of the present invention;

Fig. 3 is a front cross-sectional view of a moving box of a silicon wafer suction and transport mechanism for photovoltaics according to the present invention;

Fig. 4 is a left view of the absorbing structure of a photovoltaic silicon wafer absorbing and transporting mechanism of the present invention;

Fig. 5 is a left cross-sectional view of a suction cup of a silicon wafer suction and transport mechanism for photovoltaics according to the present invention;

Fig. 6 is a schematic structural diagram of a control system of a photovoltaic silicon wafer suction and transport mechanism according to the present invention.

In the figure: 1, transport track; 2, rectangular box; 3, driving motor; 4, transmission wheel; 5, chute; 6, conveying mechanism; 601, moving box; 602, support frame; Push block; 605, slide rail; 606, transmission gear; 607, electric push rod; 608, compression rod; 7, transmission belt; 8, suction structure; 801, baffle plate; 802, mounting frame; Shell; 8032, connecting pipe; 8033, vacuum suction head; 8034, inner core; 8035, pressure sensor; 8036, connecting spring; 804, vacuum pipe; 9, compressor; 10, delivery pipe.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Embodiment one

Please refer to Fig. 1-6, a kind of photovoltaic silicon wafer sucking and conveying mechanism in the present embodiment comprises conveying rail 1, and the left and right sides of conveying rail 1 are all fixedly installed with rectangular box 2, and the interior of left rectangular box 2 is fixed A driving motor 3 is installed, and a transmission wheel 4 is installed in the inside of the two rectangular boxes 2, and a chute 5 is provided on the top of the transport track 1, and a transmission belt 7 is installed between the two transmission wheels 4, and the transmission belt 7 Two conveying mechanisms 6 are fixedly installed on the top, a suction structure 8 is arranged on the front side of the conveying mechanism 6, a compressor 9 is fixedly installed on the top of the conveying mechanism 6, and a conveying pipe 10 is fixedly installed on the output end of the compressor 9;

Conveyor mechanism 6 comprises moving box 601, and the top of transmission belt 7 is fixedly equipped with moving box 601, and the inner bottom wall of moving box 601 is fixedly installed with support frame 602, and the internal activity of support frame 602 is equipped with rotating rod 603, and the movable box 601 A push block 604 is slidably installed inside, a transmission tooth 606 is fixedly installed on the outer surface of the rotating rod 603 and the left side of the push block 604, a slide rail 605 is fixedly installed on the inner bottom wall of the moving box 601, and the left side wall of the moving box 601 An electric push rod 607 is fixedly installed, and a compression rod 608 is fixedly installed on the inner bottom wall of the moving box 601 and on the front side of the push block 604;

The suction mechanism 8 includes a baffle plate 801 fixedly installed on the front of the rotating rod 603, the bottom and the left and right sides of the baffle plate 801 are fixedly equipped with a mounting frame 802, and the bottom of the mounting frame 802 is fixedly equipped with a suction cup 803, and the suction cups 803 are connected. There is a vacuum pipeline 804;

The suction cup 803 includes a shell 8031, the bottom of the mounting frame 802 is fixedly equipped with a shell 8031, the inside of the shell 8031 is fixedly installed with a connecting pipe 8032, the bottom of the connecting pipe 8032 is fixedly mounted with a vacuum suction head 8033, and the inner part of the shell 8031 is movable. 8034, a pressure sensor 8035 is fixedly installed on the bottom of the inner core 8034, and a connecting spring 8036 is fixedly installed between the inner core 8034 and the outer shell 8031.

During implementation, the push block 604 is pulled by the electric push rod 607 to move to the left in the inside of the mobile box 601. During the movement, the push block 604 is an inclined plane that will squeeze the rotating rod 603, so that the position of the rotating rod 603 is within the moving box. The inside of 601 moves upwards, and the transmission teeth 606 will frictionally mesh with each other during the extrusion process, thereby driving the rotating rod 603 to rotate, and the space of 603 inside the moving box 601 is limited by the support frame 602, so that it will not follow The pushing block 604 moves forward, so that it will not fall under the influence of gravity, and the conventional horizontal conveying mode is changed into vertical conveying, and contacts with the air through the baffle plate 801 .

By adopting the above-mentioned technical scheme, in the process of transporting photovoltaic silicon wafers, the output shaft of the drive motor 3 drives the left transmission wheel 4 to rotate, and the transmission wheel 4 drives the transmission belt 7 to rotate between the two transmission wheels 4, thereby driving the two A moving box 601 realizes left and right movement, and the output shaft of the drive motor 3 is set to reciprocate forward and backward, and the photovoltaic silicon wafer is absorbed by the suction structure 8. After the absorption, the angle of the baffle plate 801 is rotated to protect the photovoltaic silicon wafer , so that it will not fall under the influence of gravity, the conventional horizontal transportation method is changed to vertical transportation, and the baffle 801 is in contact with the air, which avoids the vibration of the cutting air during the movement of the photovoltaic silicon wafer and damages its components, thereby improving The protective effect of the photovoltaic silicon wafer handling mechanism reduces the consumption caused by the photovoltaic silicon wafer handling process.

Embodiment two

In this embodiment, the control system is composed of a single-chip microcomputer, a motor drive module, a push rod drive module, a pressure sensing module, a vacuum adsorption module and a sucker execution module. module, the vacuum adsorption module provides power support for the composition of the suction cup execution module, and the pressure sensing module collects the pressure data of the suction cup execution module and feeds it back to the single-chip microcomputer.

It should be noted that the motor drive module corresponds to the drive motor 3, the push rod drive module corresponds to the electric push rod 607, the pressure sensing module corresponds to the pressure sensor 8035, the vacuum adsorption module corresponds to the compressor, and the suction cup execution module corresponds to different suction cups 803, and the single chip microcomputer It can be STC8F2K16S2-28I-SOP16.

During implementation, the photovoltaic silicon wafers are adsorbed by suction cups 803 arranged in a rectangular shape. During the working process, when the baffle 801 moves to the photovoltaic silicon wafers to be transported, the pressure sensor 8035 will be squeezed, and the inner core 8034 Will rise, and the pressure sensor 8035 feeds back the pressure data to the single-chip microcomputer. After the single-chip microcomputer receives the pressure signal, it activates the sucker 803, and the compressor 9 delivers negative pressure through the connecting pipe 8032 of the sucker 803 and the vacuum suction head 8033. The negative pressure will generate an adsorption force on the photovoltaic silicon wafer, and the photovoltaic silicon wafer will be adsorbed to the bottom of the suction cup 803 , and the suction cup 803 that does not feel the pressure will not be activated.

By adopting the above-mentioned technical solution, when absorbing photovoltaic silicon wafers, the suction cup 803 can also be reasonably used according to the size of the photovoltaic silicon wafer to be transported, and the rectangular array of suction cups 803 can be used to absorb photovoltaic silicon wafers. The intelligent arrangement of the size of the silicon wafer not only ensures the stability of the adsorption, but also reduces the effect of energy, and solves the problem that the photovoltaic silicon wafer handling mechanism in the prior art adopts a parallel movement method when handling, and the photovoltaic silicon wafer will be transported Cutting the air flow, resulting in excessive vibration, damages the photovoltaic silicon wafers, and when dealing with different types of photovoltaic silicon wafers, the handling suction cups of the same size are often used, and the stability of the handling cannot be guaranteed.

It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is a relationship between these entities or operations. There is no such actual relationship or order between them. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus comprising a set of elements includes not only those elements, but also includes elements not expressly listed. other elements of or also include elements inherent in such a process, method, article, or device. Without further limitations, an element defined by the phrase "comprising a ..." does not preclude the presence of additional identical elements in the process, method, article, or apparatus that includes the element.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications and substitutions can be made to these embodiments without departing from the principle and spirit of the present invention. and modifications, the scope of the invention is defined by the appended claims and their equivalents.

Claims (9)

1. A silicon wafer suction and transport mechanism for photovoltaics, comprising a transport track (1), characterized in that: the left and right sides of the transport track (1) are fixedly equipped with a rectangular box (2), and the rectangular box on the left side The inside of (2) is fixedly installed with driving motor (3), and the inside of two described rectangular boxes (2) is all rotatably installed with drive wheel (4), and the top of described carrying track (1) offers chute (5) ), the transmission belt (7) is installed between the two transmission wheels (4), and the top of the transmission belt (7) is fixedly equipped with two conveying mechanisms (6), and the conveying mechanism (6) A suction structure (8) is arranged on the front side, a compressor (9) is fixedly installed on the top of the delivery mechanism (6), and a delivery pipe (10) is fixedly installed at the output end of the compressor (9); The conveying mechanism (6) includes a moving box (601), the top of the conveyor belt (7) is fixedly equipped with a moving box (601), and the inner bottom wall of the moving box (601) is fixedly equipped with a support frame (602 ), the inside of the support frame (602) is equipped with a rotating rod (603), the inside of the moving box (601) is slidingly installed with a push block (604), the outer surface of the rotating rod (603) and the push Drive teeth (606) are fixedly installed on the left side of the block (604), slide rails (605) are fixedly installed on the inner bottom wall of the moving box (601), and the left side wall of the moving box (601) is fixedly installed There is an electric push rod (607), and a compression rod (608) is fixedly installed on the inner bottom wall of the moving box (601) and on the front side of the push block (604); The suction mechanism (8) includes a baffle (801) fixedly mounted on the front of the rotating rod (603), the bottom and the left and right sides of the baffle (801) are fixedly equipped with mounting brackets (802), the Suction cups (803) are fixedly installed on the bottom of the mounting frame (802), and vacuum pipelines (804) are connected between the suction cups (803); The suction cup (803) includes a casing (8031), the bottom of the installation frame (802) is fixedly equipped with a casing (8031), and the inside of the casing (8031) is fixedly installed with a connecting pipe (8032), and the connecting pipe A vacuum suction head (8033) is fixedly installed on the bottom of (8032), an inner core (8034) is movably installed inside the shell (8031), and a pressure sensor (8035) is fixedly installed on the bottom of the inner core (8034), A connection spring (8036) is fixedly installed between the inner core (8034) and the outer shell (8031). 2. A silicon wafer suction and transport mechanism for photovoltaics according to claim 1, characterized in that: an inner chamber is opened inside the transport rail (1), and the opposite sides of the two rectangular boxes (2) Both communicate with the inner cavity. 3. A silicon wafer suction and transport mechanism for photovoltaics according to claim 2, characterized in that: both ends of the conveyor belt (7) pass through the rectangular box (2) and extend to the bottom of the rectangular box (2). Inside, the output shaft of the drive motor (3) is fixedly connected with the left transmission wheel (4). 4. A silicon wafer suction and transport mechanism for photovoltaics according to claim 1, characterized in that: the moving box (601) is slidably installed on the top of the transport rail (1), and the output of the delivery pipe (10) The end is fixedly connected with the suction cup (803). 5. A photovoltaic silicon wafer suction and transport mechanism according to claim 1, characterized in that: the front of the rotating rod (603) penetrates the moving box (601) and extends to the front of the moving box (601), so The rotating rod (603) and the push block (604) are engaged with each other through transmission teeth (606). 6. A silicon wafer suction and transport mechanism for photovoltaics according to claim 1, characterized in that: the side of the push block (604) close to the rotating rod (603) is a 60-degree slope, and the rotating rod The outer surface of (603) is sheathed with a limit ring, and the bottom limit ring of the compression rod (608) is fixedly connected. 7. A photovoltaic silicon chip suction and transport mechanism according to claim 1, characterized in that: the compression rod (608) includes a telescopic rod and a compression spring arranged inside the telescopic rod, and the electric push rod (607 ) is fixedly connected with the push block (604), and the bottom of the push block (604) is slidably installed on the slide rail (605). 8. A photovoltaic silicon chip suction and transport mechanism according to claim 1, characterized in that: the vacuum pipe (804) is fixedly connected to the connecting pipe (8032) through the casing (8031), and the vacuum suction head The bottom of (8033) is at the bottom of the shell (8031), and the inner core (8034) is slidably installed on the inner side of the vacuum suction head (8033). 9. A photovoltaic silicon chip suction and transport mechanism according to any one of claims 1-8, the transport mechanism also includes a control system, characterized in that: the control system is driven by a single-chip microcomputer, a motor drive module, and a push rod Module, pressure sensing module, vacuum adsorption module and suction cup execution module. The single-chip microcomputer controls the motor drive module, push rod drive module and vacuum adsorption module through the wire circuit. The vacuum adsorption module provides power support for the suction cup execution module. The pressure sensing module Collect the pressure data of the sucker execution module and feed it back to the single-chip microcomputer.

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