Photovoltaic glass cleaning and feeding device

Abstract

The utility model relates to the technical field of photovoltaic glass cleaning and feeding, in particular to a photovoltaic glass cleaning and feeding device. The automatic feeding device comprises a machine frame, and a feeding device is installed on one side of the machine frame. The grabbing device is located in the middle of the rack; the cleaning device is located under the grabbing device; the recovery device is located at the end, away from the feeding device, of the surface of the rack. And the positioning mechanism is mounted in the feeding device. The problems that in the prior art, when photovoltaic glass is machined and produced, the photovoltaic glass plate needs to be subjected to the procedures of edge grinding, photoetching, film coating and the like, in the process, the photovoltaic glass plate needs to be cleaned firstly, and due to the fact that a glass cleaning machine needs to manually place a raw glass sheet on a transmission rolling wheel of the glass cleaning machine and then clean the raw glass sheet, the working efficiency is high, and the like are solved. And under the condition that the labor cost is increasingly increased, the cost of each piece of photovoltaic glass finished product is increased, and the labor intensity of workers is also increased.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of photovoltaic glass cleaning and feeding, and particularly relates to a photovoltaic glass cleaning and feeding device. BACKGROUND

[0002] The photovoltaic glass cleaning and feeding device is a device for cleaning photovoltaic glass, and generally comprises a cleaning device, a moving device, a control system, a power supply system and the like. The cleaning device is the core part, and uses water flow and brushes and the like to clean the dust and dirt on the surface of the photovoltaic glass. The working principle of the photovoltaic glass feeding device generally involves using a suction cup or a mechanical hand to suck or grab the glass from a storage position, and then transferring the glass to a production line through a conveyor or other moving device.

[0003] The prior art such as the utility model with the announcement number CN206981289U discloses a glass cleaning and feeding device for photovoltaic glass production. The device comprises a cart, an inlet box connected to the right side of the top of the cart, a piston connected to the inlet box in a sliding manner, a lifting mechanism connected to the right side of the top of the cart, the lifting mechanism being connected to the piston, and a discharge mechanism connected to the left side of the inlet box. The device is designed to spray deionized water and neutral cleaning agent to clean the glass.

[0004] In daily life, it is found that in the prior art, when the photovoltaic glass is processed and produced, the photovoltaic glass plate needs to be edge-ground, photoetched and coated, and in this process, the photovoltaic glass plate needs to be cleaned first. At present, the glass cleaning machine needs to be manually placed on the transmission roller of the glass cleaning machine for cleaning. In the case of increasing labor costs, the cost of each photovoltaic glass product is increased, and the labor intensity of the employees is also increased. Utility model content

[0005] One of the technical problems to be solved by the present application is that in the prior art, when the photovoltaic glass is processed and produced, the photovoltaic glass plate needs to be edge-ground, photoetched and coated, and in this process, the photovoltaic glass plate needs to be cleaned first. At present, the glass cleaning machine needs to be manually placed on the transmission roller of the glass cleaning machine for cleaning. In the case of increasing labor costs, the cost of each photovoltaic glass product is increased, and the labor intensity of the employees is also increased.

[0006] To solve the above technical problems, the present application provides a photovoltaic glass cleaning and feeding device, which comprises a rack, a feeding device installed on one side of the rack;

[0007] A grabbing device is located at the middle position of the rack.

[0008] The cleaning device is located directly below the grabbing device;

[0009] The recycling device is located at the end of the rack surface away from the feeding device;

[0010] The positioning mechanism is installed inside the feeding device; and

[0011] The limiting mechanism is provided inside the grabbing device;

[0012] The positioning mechanism includes a mounting plate, a servo cylinder is fixedly connected to the surface of the mounting plate, support rods are fixedly connected to the surface of each corner of the mounting plate, a support plate is fixedly connected to the surface of the four support rods, drive cylinders are fixedly connected to the sides of the support plate, an extrusion plate is fixedly connected to the output end of the drive cylinder, the output end of the servo cylinder is in communication with the surface of the support plate, the limiting mechanism includes a fixed frame and a guide block, the two sides of the fixed frame are provided with link holes, the surfaces of the two ends of the guide block are slidably connected to the inner walls of the link holes, link frames are fixedly connected to the two ends of the guide block, a suction cup holder is movably connected to the surface of the link frame, a fixed shaft is threadedly connected to the arc surface of the suction cup holder, and a fixed rod is threadedly penetrated through the surface of the guide block.

[0013] In some embodiments, the feeding device includes a first conveying frame, one end of the first conveying frame is fixedly connected with a second conveying frame, the upper end surface of the first conveying frame is fixedly connected with a limiting frame, and the upper surface of the first conveying frame is drivingly connected with a glass carrier plate.

[0014] In some embodiments, the grabbing device includes an X-axis translation module, one end surface of the X-axis translation module is provided with a Z-axis lifting module, a Y-axis translation module is fixedly connected to the position of the X-axis translation module on the side wall of the rack, and a carrier plate grabbing mechanism is fixedly connected to the upper end position of the recycling device on one end of the Y-axis translation module.

[0015] In some embodiments, the recycling device includes a carrier plate lifting module, one side of the carrier plate lifting module is fixedly connected to the inner wall of the rack, the carrier plate lifting module is located directly below the carrier plate grabbing mechanism, a transfer frame is fixedly connected to the bottom end of the rack, and a supporting plate holder is drivingly connected to the end of the inner wall of the transfer frame close to the carrier plate lifting module.

[0016] In some embodiments, the positioning mechanism further includes two slide rails, the two slide rails are respectively located on the two sides of the extrusion plate, the bottom surface of the slide rail is fixedly connected to the surface of the support plate, and a sliding frame is fixedly connected to the lower surface of each side of the extrusion plate.

[0017] In some embodiments, the upper surface of each end of the extrusion plate is fixedly connected with a support pad, and the support pad is a rubber pad.

[0018] In some embodiments, the output end of the servo cylinder is threadedly connected with a top plate, and the top plate is a hard alloy plate.

[0019] In some embodiments, the limiting mechanism further comprises a guide rail, a lower surface of the guide rail is fixedly connected with an inner wall of the fixed frame, an inner wall of the guide rail is slidingly connected with a lower surface of the guide block, a bottom end of the fixed rod abuts against a bottom surface of the inner wall of the guide rail, a side wall of the fixed frame is provided with a scale table, and a position corresponding to the scale table of a side wall of the connecting frame is fixedly connected with an indicating block, and a cross section of the indicating block is in a sharp cone shape.

[0020] In some embodiments, a sliding hole is provided at a position corresponding to the suction disc holder on an inner wall bottom surface of the connecting frame, a cross section of the sliding hole is in a vertical shape, and an inner wall of the sliding hole is slidingly connected with an upper end arc surface of the suction disc holder.

[0021] Through the above technical solution, in the process of producing and processing photovoltaic glass, the photovoltaic glass needs to be cleaned, at this time, the positioning mechanism and the carrier plate recycling device provided in the feeding device can be used, and the mechanical hand is used to grab the photovoltaic glass and place the glass on the cleaning device, so as to realize automatic feeding, reduce manual work, improve production efficiency, save labor cost of enterprises, and the device can be used in cleaning work after edge grinding, photoetching and film coating of the photovoltaic glass. Using the device for feeding work can reduce the adverse effects caused by human factors, is simple and easy to implement, can match the feeding tasks of various cleaning devices, and has strong universality. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0023] Figure 1 is a schematic view of a three-dimensional structure disclosed by the embodiments of the present application;

[0024] Figure 2 is a partial schematic view of a three-dimensional structure disclosed by the embodiments of the present application;

[0025] Figure 3 is a partial structure schematic view of a recycling device disclosed by the embodiments of the present application;

[0026] Figure 4 is a structure schematic view of a grabbing device disclosed by the embodiments of the present application;

[0027] Figure 5 is a structure schematic view of a positioning mechanism disclosed by the embodiments of the present application;

[0028] Figure 6Fig. 1 is a structural schematic diagram of a limiting mechanism disclosed in the embodiments of the present application.

[0029] Legend of reference signs:

[0030] 1, feeding device; 11, limiting frame; 12, first conveying frame; 13, second conveying frame; 2, grabbing device; 21, X-axis translation module; 22, Z-axis lifting module; 23, Y-axis translation module; 24, carrier plate grabbing mechanism; 3, recycling device; 31, supporting plate frame; 32, transfer frame; 33, carrier plate lifting module; 4, rack; 5, limiting mechanism; 501, fixed frame; 502, connecting frame; 503, sliding hole; 504, fixed shaft; 505, suction plate frame; 506, connecting hole; 507, guide rail; 508, guide block; 509, fixed rod; 510, scale; 511, indicating block; 6, positioning mechanism; 601, mounting plate; 602, servo cylinder; 603, supporting plate; 604, supporting rod; 605, driving cylinder; 606, extrusion plate; 607, sliding frame; 608, sliding rail; 609, supporting pad; 610, top plate; 7, glass carrier plate; 8, cleaning device. DETAILED DESCRIPTION

[0031] The embodiments of the present application will be further described in conjunction with the drawings and examples. The detailed description and drawings of the following examples are used to exemplarily illustrate the principles of the present application, but cannot be used to limit the scope of the present application, and the present application can be implemented in many different forms, and is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

[0032] The present application provides these embodiments in order to make the present application thorough and complete, and fully express the scope of the present application to those skilled in the art. It should be noted that: unless otherwise specified, the relative arrangement of components and steps, the composition of materials, numerical expressions and values set forth in these embodiments should be interpreted as merely exemplary, and not as a limitation.

[0033] It should be noted that, in the description of the present application, unless otherwise specified, the meaning of "a plurality of" is greater than or equal to two; the orientations or positional relationships indicated by the terms "upper", "lower", "left", "right", "inner", "outer" and the like are merely for the purpose of facilitating the description of the present application and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation to the present application. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0034] In addition, "first", "second", and similar words used in the present application do not represent any order, number or importance, but are only used to distinguish different parts. "Vertical" is not strictly vertical, but within the allowable range of error. "Parallel" is not strictly parallel, but within the allowable range of error. "Include" or "contain" and similar words mean that the elements before the word cover the elements listed after the word, and do not exclude the possibility of also covering other elements.

[0035] It should also be noted that in the description of the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be directly connected, or indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances. When it is described that a specific device is located between the first device and the second device, there can be or can not be an intermediate device between the specific device and the first device or the second device.

[0036] All terms used in the present application have the same meaning as understood by those skilled in the art to which the present application belongs, unless otherwise specifically defined. It should also be understood that terms defined in general dictionaries should be interpreted to have meanings consistent with their meanings in the context of the relevant art, and should not be interpreted in an idealized or excessively formalized sense, unless specifically defined here.

[0037] Techniques, methods and devices known to those skilled in the relevant art can not be discussed in detail, but in appropriate cases, the techniques, methods and devices should be considered as part of the specification.

[0038] Reference Figure 1 As shown in the utility model provides a technical scheme: photovoltaic glass cleaning feeding device, including frame 4, frame 4 one side is equipped with feeding device 1;

[0039] Grabbing device 2, grabbing device 2 is located in the middle position of frame 4;

[0040] Cleaning device 8, cleaning device 8 is located below grabbing device 2;

[0041] Recovery device 3, recovery device 3 is located at the end of frame 4 surface away from feeding device 1;

[0042] Positioning mechanism 6, positioning mechanism 6 is installed in the inside of feeding device 1;And

[0043] Limiting mechanism 5, limiting mechanism 5 is arranged in the inside of grabbing device 2.

[0044] The specific settings and functions of the limiting mechanism 5 and the positioning mechanism 6 will be described below.

[0045] Referring to Figure 2 , Figure 3 and Figure 4 , in the embodiment: the feeding device 1 comprises a first conveying frame 12, one end of the first conveying frame 12 is fixedly connected with a second conveying frame 13, the position of the glass carrier plate 7 is moved and conveyed by means of the first conveying frame 12 and the second conveying frame 13, the upper end surface of the first conveying frame 12 is fixedly connected with a limiting frame 11, the position of the glass carrier plate 7 is protected by means of the limiting frame 11, the upper surface of the first conveying frame 12 is drivingly connected with the glass carrier plate 7, the glass carrier plate 7 is used for loading the photovoltaic glass plate, the grabbing device 2 comprises an X-axis translation module 21, the suction cup can be moved horizontally by means of the X-axis translation module 21, one end surface of the X-axis translation module 21 is installed with a Z-axis lifting module 22, the Z-axis lifting module 22 can lift the position of the suction cup frame 505, the side wall of the rack 4 is fixedly connected with a Y-axis translation module 23 corresponding to the position of the X-axis translation module 21, the carrier plate can be moved longitudally by means of the carrier plate grabbing mechanism 24 by means of the Y-axis lifting module, the Y-axis translation module 23 is fixedly connected with the carrier plate grabbing mechanism 24 corresponding to the upper end position of the recycling device 3, the recycling device 3 comprises a carrier plate lifting module 33, one side of the carrier plate lifting module 33 is fixedly connected with the inner wall of the rack 4, the carrier plate lifting module 33 can lift the position of the tray frame 31, the carrier plate lifting module 33 is located directly below the carrier plate grabbing mechanism 24, the bottom end of the rack 4 is fixedly connected with a transfer frame 32, the transfer frame 32 can move and carry the stacked carrier plates, the inner wall of the transfer frame 32 is drivingly connected with the tray frame 31 near one end of the carrier plate lifting module 33, the carrier plate is supported and stacked by means of the tray frame 31.

[0046] Referring to Figure 5As shown, in the embodiment: the positioning mechanism 6 comprises a mounting plate 601, the surface of the mounting plate 601 is fixedly connected with a servo cylinder 602, the servo cylinder 602 can eject the glass carrier plate 7, the four corners of the mounting plate 601 are fixedly connected with support rods 604, the support rods 604 can protect and limit the position of the support plate 603, the surfaces of the four support rods 604 are fixedly connected with the same support plate 603, the support plate 603 can support the use of the extrusion plate 606, both sides of the support plate 603 are fixedly connected with drive cylinders 605, the drive cylinders 605 can drive the position of the extrusion plate 606 to move, the output end of the drive cylinder 605 is fixedly connected with the extrusion plate 606, and the extrusion plate 606 can clamp and fix the glass carrier plate 7, the output end of the servo cylinder 602 penetrates through the surface of the support plate 603, and the positioning mechanism 6 further comprises two slide rails 608, the two slide rails 608 are located on the two sides of the extrusion plate 606, the slide rails 608 can slide and limit the slide frames 607 on the two sides of the extrusion plate 606, so that the position deviation is avoided, the bottom surface of the slide rail 608 is fixedly connected with the surface of the support plate 603, the lower surfaces of the two sides of the extrusion plate 606 are fixedly connected with the slide frames 607, the lower surfaces of the slide frames 607 are slidably connected with the inner walls of the slide rails 608, the upper surfaces of the two ends of the extrusion plate 606 are fixedly connected with support pads 609, the support pads 609 can protect the side walls of the glass carrier plate 7, so that excessive extrusion damage is avoided, the support pads 609 are rubber pads, the output end of the servo cylinder 602 is threadedly connected with a top plate 610, the top plate 610 can more conveniently eject the glass carrier plate 7, and the top plate 610 is a hard alloy plate.

[0047] With reference to Figure 6As shown, in the embodiment: the limiting mechanism 5 includes a fixed frame 501 and a guide block 508, both sides of the fixed frame 501 are provided with an adapter hole 506, the adapter hole 506 can drive the adapter frame 502 to slide by the guide block 508, the both end surfaces of the guide block 508 are slidably connected with the inner wall of the adapter hole 506, the adapter hole 506 facilitates the sliding regulation and control of the adapter frame 502, both ends of the guide block 508 are fixedly connected with the adapter frame 502, the adapter frame 502 can fix and limit the position of the suction cup frame 505, the surface of the adapter frame 502 is movably connected with the suction cup frame 505, the suction cup frame 505 can fix the suction cups of the glass carrier plate 7, the arc surface of the suction cup frame 505 is threadedly connected with a fixed shaft 504, the surface of the guide block 508 is threadedly penetrated by a fixed rod 509, the fixed rod 509 can fix the position of the guide block 508, the limiting mechanism 5 further includes a guide rail 507, the lower surface of the guide rail 507 is fixedly connected with the inner wall of the fixed frame 501, the guide rail 507 can slide with the guide block 508, the inner wall of the guide rail 507 is slidably connected with the lower surface of the guide block 508, the bottom end of the fixed rod 509 abuts against the inner wall bottom surface of the guide rail 507, the side wall of the fixed frame 501 is provided with a scale table 510, the scale table 510 can directly observe the moving distance between the adapter frames 502, the side wall of the adapter frame 502 is fixedly connected with an indicating block 511 at the position corresponding to the scale table 510, the indicating block 511 can conveniently indicate and assist, the cross section of the indicating block 511 is in the shape of a sharp cone, the inner wall bottom surface of the adapter frame 502 is provided with a sliding hole 503 at the position corresponding to the suction cup frame 505, the cross section of the sliding hole 503 is vertically shaped, the sliding hole 503 facilitates the horizontal movement regulation and control of the position of the suction cup frame 505, the inner wall of the sliding hole 503 is slidably connected with the upper end arc surface of the suction cup frame 505.

[0048] In the process of cleaning photovoltaic glass loading operation, first, the photovoltaic glass is placed on the glass carrier plate 7 and stacked to the required height according to the production rhythm, and placed on the first conveying frame 12 by manual method, the first conveying frame 12 transports the glass carrier plate 7 to the second conveying frame 13 and to the fixed position to wait for the tray, and then manually places some glass carrier plates 7 in the fixed position of the loading belt, at this time, the glass carrier plates 7 placed on the first conveying frame 12 are all in the tray area, which can be determined according to the speed of production rhythm to determine how many to place, so as to realize the work staff to load once every half or one hour, after the glass carrier plates 7 on the second conveying frame 13 are completed, the glass carrier plates 7 on the first conveying frame 12 are automatically positioned to ensure continuous production; the lower side of the first conveying frame 12 is provided with a positioning mechanism 6, the servo cylinder 602 is fixed through the installation plate 601 in the positioning mechanism 6, the glass carrier plate 7 is lifted and separated from the first conveying frame 12 by the top plate 610 on the upper end of the servo cylinder 602, and the position of the glass carrier plate 7 can also be extruded and fixed by the extrusion plates 606 on both sides of the supporting plate 603, in this operation process, the lowermost glass carrier plate 7 is separated from the glass carrier plate 7 stack in this way to realize the tray from bottom to top, and is transported to the fixed position by the second conveying frame 13; the surface of the rack 4 at this station is provided with an X-axis translation module 21 parallel to the horizontal upper side of the cleaning device 8, the upper side of the X-axis translation module 21 is provided with a limiting mechanism 5 for sucking the glass substrate, the X-axis translation module 21 is provided with a Z-axis lifting module 22 matched therewith to realize the control of the up and down movement of the suction cup device; wherein the limiting mechanism 5 can replace or adjust the distance between the suction cups according to the size of the glass substrate to meet the automatic loading of different specifications of glass substrates; after the glass substrate is moved to the cleaning device 8, the carrier plate grabbing mechanism 24 on the Y-axis translation module 23 in the direction parallel to the cleaning device 8 runs to the fixed position, the carrier plate grabbing mechanism 24 grabs the empty glass carrier plate 7 and transfers it to the carrier plate recycling device 3 for stacking, the carrier plate recycling device 3 moves from top to bottom and drops a certain height every time a tray is placed, when the lower part of the stacked glass carrier plate 7 contacts the transfer frame 32, the transfer frame 32 runs and starts, and the empty glass carrier plate 7 is transported to the fixed position and manually removed, completing the automatic loading of the glass substrate and the collection of the empty glass carrier plate 7.

[0049] So far, the embodiments of the present application have been described in detail. In order not to obscure the concept of the present application, some details known in the art are not described. Those skilled in the art can fully understand how to implement the technical solutions disclosed herein according to the above description.

[0050] Although some specific embodiments of the present application have been described in detail by way of examples, one skilled in the art should understand that the above examples are only for the purpose of illustration, but not for the purpose of limiting the scope of the present application. One skilled in the art should understand that the above embodiments can be modified or equivalent replacements can be made to some technical features without departing from the scope and spirit of the present application. In particular, each technical feature mentioned in each embodiment can be combined in any manner as long as there is no structural conflict.

Claims

1. Photovoltaic glass cleaning and feeding device, characterized in that, The utility model relates to a glass plate loading and unloading device, including: Rack (4), one side of rack (4) is equipped with loading device (1); Grabbing device (2) is located in the middle position of rack (4); Cleaning device (8) is located below grabbing device (2); Recycling device (3) is located in the end of rack (4) surface away from loading device (1); Positioning mechanism (6) is installed in the inside of loading device (1); Limiting mechanism (5) is arranged in the inside of grabbing device (2); Wherein, positioning mechanism (6) includes mounting plate (601), the surface fixed connection of mounting plate (601) is equipped with servo cylinder (602), the surface of four around corner of mounting plate (601) is all fixedly connected with support rod (604), the surface of four support rod (604) is fixedly connected with same support plate (603), the both sides of support plate (603) are fixedly connected with drive cylinder (605), the output of drive cylinder (605) is fixedly connected with extrusion plate (606), the output of servo cylinder (602) and support plate (603) surface are through, limiting mechanism (5) includes fixed frame (501) and guide block (508), the both sides of fixed frame (501) are equipped with link hole (506), the both end surfaces of guide block (508) are slidably connected with the inner wall of link hole (506), the both ends of guide block (508) are all fixedly connected with link frame (502), the surface of link frame (502) is movably connected with sucking disc frame (505), the circular arc surface of sucking disc frame (505) is threadedly connected with fixed shaft (504), the surface of guide block (508) is threadedly penetrated with fixed rod (509).

2. The photovoltaic glass cleaning and feeding device according to claim 1, characterized in that, The loading device (1) includes a first conveying frame (12), one end of the first conveying frame (12) is fixedly connected with a second conveying frame (13), the upper end surface of the first conveying frame (12) is fixedly connected with a limiting frame (11), and the upper surface of the first conveying frame (12) is drivingly connected with a glass carrier plate (7).

3. The photovoltaic glass cleaning and feeding device according to claim 1, characterized in that, The grabbing device (2) includes an X-axis translation module (21), one end surface of the X-axis translation module (21) is provided with a Z-axis lifting module (22), a Y-axis translation module (23) is fixedly connected to the side wall of the rack (4) corresponding to the position of the X-axis translation module (21), and one end of the Y-axis translation module (23) is fixedly connected to the upper end position of the recycling device (3) and is provided with a carrier plate grabbing mechanism (24).

4. The photovoltaic glass cleaning and feeding device according to claim 1, characterized in that, The recycling device (3) includes a carrier plate lifting module (33), one side of the carrier plate lifting module (33) is fixedly connected with the inner wall of the rack (4), the carrier plate lifting module (33) is located below the carrier plate grabbing mechanism (24), and the bottom end of the rack (4) is fixedly connected with a transfer frame (32).

5. The photovoltaic glass cleaning and feeding device according to claim 1, characterized in that, The positioning mechanism (6) further comprises two slide rails (608), the two slide rails (608) are located on the two sides of the extrusion plate (606) respectively, the bottom surface of the slide rail (608) is fixedly connected with the surface of the supporting plate (603), the lower surface of the two sides of the extrusion plate (606) is fixedly connected with a slide frame (607), and the lower surface of the slide frame (607) is in sliding connection with the inner wall of the slide rail (608).

6. The photovoltaic glass cleaning and feeding device according to claim 1, characterized in that, The upper surface of the two ends of the extrusion plate (606) is fixedly connected with a supporting pad (609), and the supporting pad (609) is a rubber pad.

7. The photovoltaic glass cleaning and feeding device according to claim 1, characterized in that, The output end of the servo air cylinder (602) is threadedly connected with a top plate (610), and the top plate (610) is a hard alloy plate.

8. The photovoltaic glass cleaning and feeding device according to claim 1, characterized in that, The limiting mechanism (5) further comprises a guide rail (507), the lower surface of the guide rail (507) is fixedly connected with the inner wall of the fixed frame (501), the inner wall of the guide rail (507) is in sliding connection with the lower surface of a guide block (508), the bottom end of the fixed rod (509) is in abutment with the inner wall bottom surface of the guide rail (507), the side wall of the fixed frame (501) is provided with a scale table (510), the side wall of the connecting frame (502) is fixedly connected with an indicating block (511) in a position corresponding to the scale table (510), and the section of the indicating block (511) is in a sharp cone shape.

9. The photovoltaic glass cleaning and feeding device according to claim 1, characterized in that, A slide hole (503) is formed in the inner wall bottom surface of the connecting frame (502) in a position corresponding to the suction plate rack (505), the section of the slide hole (503) is in a vertical shape, and the inner wall of the slide hole (503) is in sliding connection with the upper end arc surface of the suction plate rack (505).

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