Photovoltaic glass thickness detection device based on transmission belt

Abstract

The utility model discloses a photovoltaic glass thickness detection device based on a conveying belt, which comprises a bottom table, the bottom table is provided with the conveying belt for conveying photovoltaic glass, and the bottom table is sequentially provided with a support frame and a portal frame along the conveying direction of the conveying belt; a detection mechanism for detecting the thickness of the photovoltaic glass is arranged on the supporting frame through a telescopic assembly; a moving disc is arranged on the portal frame through an adjusting mechanism, and a discharging mechanism for discharging unqualified glass is arranged on the moving disc. The utility model relates to the technical field of detection devices. According to the photovoltaic glass thickness detection device based on the conveying belt, the photovoltaic glass is rolled through the multiple detection rollers, the thickness value is detected through the thickness sensor between the mounting plate and the pressure plate at any time, and if the detected thickness value is within the set threshold value range, the photovoltaic glass is in a qualified state; and when the detected thickness value is higher than or lower than the detection value range, the photovoltaic glass is an unqualified product.

Description

Technical Field

[0001] The utility model relates to the technical field of detection devices, in particular to a photovoltaic glass thickness detection device based on a transmission belt. Background Art

[0002] The photovoltaic glass to be tested is also called photoelectric glass. It is a special glass that has solar photovoltaic modules pressed into it, can generate electricity using solar radiation, and has related current lead-out devices and cables. It is widely used in many fields such as building curtain walls, photovoltaic roofs, and solar power generation systems.

[0003] At present, due to problems with the production process, some photovoltaic glass to be tested may have uneven surfaces. In order to ensure the quality of the products before leaving the factory, thickness testing will be carried out to eliminate unqualified products.

[0004] Therefore, the patent number "CN208254365U" provides an EVA layer thickness detection device for a solar photovoltaic glass plate, including a bracket, a base, a photovoltaic glass plate mounting mechanism and a detection and warning mechanism, wherein the bracket is fixed on the upper end surface of the base, the photovoltaic glass plate mounting mechanism is arranged in a bearing platform, the photovoltaic glass plate mounting mechanism includes a card slot, a return spring, a carrier, a slider, a slide groove, a connecting rope, an opening, a fixed pulley, a card block, a placement table and a cleaning cotton, and the detection and warning mechanism is arranged on the left side surface inside the bracket, and the detection and warning mechanism includes a lifting cylinder, a bearing platform, a guide plate, a guide groove, an alarm, a limit rubber pad, a groove body, a reset spring, a push rod and a detection probe; the device realizes the automatic cleaning function of the photovoltaic glass plate, improves the accuracy of the EVA layer thickness detection, and also realizes the limit warning function, which prolongs the service life of the detection probe;

[0005] However, the device and some existing devices that can detect the thickness of photovoltaic glass can be used on the assembly line. However, when testing the photovoltaic glass on the assembly line, photovoltaic glass that does not meet the standards will usually be detected. After detection, it is usually necessary to manually remove the unqualified photovoltaic glass from the assembly line, which increases the workload of the staff to a certain extent. Utility Model Content

[0006] In view of the shortcomings of the prior art, the utility model provides a photovoltaic glass thickness detection device based on a conveyor belt, which solves the problem that when photovoltaic glass is inspected on an assembly line, photovoltaic glass that does not meet the standards is usually detected. After detection, the unqualified photovoltaic glass usually needs to be manually removed from the assembly line, which increases the workload of the staff to a certain extent.

[0007] To achieve the above objectives, the utility model is implemented through the following technical solutions: a photovoltaic glass thickness detection device based on a conveyor belt, comprising a base, a conveyor belt for conveying photovoltaic glass is provided on the base, and a support frame and a gantry are provided on the base and in sequence along the conveying direction of the conveyor belt;

[0008] The support frame is provided with a detection mechanism for detecting the thickness of the photovoltaic glass via a telescopic assembly;

[0009] The gantry is provided with a movable plate through an adjustment mechanism, and the movable plate is provided with a material unloading mechanism for unloading unqualified glass, and the material unloading mechanism includes a lifting cylinder arranged on the movable plate, and a lifting plate is provided at the telescopic end of the lifting cylinder, and an adsorption component for adsorbing photovoltaic glass is provided at the bottom of the lifting plate;

[0010] The base platform is also provided with a collection bin with an opening on the top for centrally collecting unqualified photovoltaic glass.

[0011] Preferably, the telescopic assembly comprises a telescopic cylinder arranged on a mounting frame, and a mounting plate is provided at the telescopic end of the telescopic cylinder.

[0012] Preferably, the detection mechanism includes a pressure plate installed at the bottom of the mounting plate, and side plates arranged vertically downward are provided on opposite sides of the pressure plate. A plurality of detection rollers for detecting photovoltaic glass are rotatably connected between the side plates, and the plurality of detection rollers are equidistantly distributed in sequence. A thickness sensor is also provided between the pressure plate and the mounting plate.

[0013] Preferably, the adjustment mechanism includes a fixed plate arranged at the bottom of the gantry and arranged vertically downward, a reciprocating screw is provided between the fixed plate and the gantry, a moving platform that slides linearly along the reciprocating screw is provided on the reciprocating screw, the moving disk is installed on the moving platform, a limiting mechanism for limiting the moving platform is provided between the fixed plate and the gantry, and a driving motor for driving the reciprocating screw to rotate is provided on the gantry.

[0014] Preferably, the limiting mechanism comprises a limiting light rod arranged between the fixed plate and the gantry, and the movable platform is provided with a limiting through hole for the limiting light rod to pass through.

[0015] Preferably, the adsorption assembly includes an adsorption plate arranged at the bottom of the lifting plate, a vacuum air cavity is provided in the adsorption plate, a plurality of adsorption ports connected to the vacuum air cavity are provided on the adsorption plate, and a closing mechanism is provided between the adsorption port and the vacuum air cavity.

[0016] Preferably, the adsorption port is arranged to gradually widen from top to bottom.

[0017] Preferably, a vacuum air pump connected to the vacuum air cavity is provided on the adsorption plate, and a three-way valve is also provided between the vacuum pump and the vacuum air cavity.

[0018] Preferably, the closing mechanism includes a piston chamber arranged between the suction port and the vacuum air chamber, a vent is provided between the piston chamber, the vacuum air chamber and the suction port, a piston block is provided in the piston chamber and is lifted up and down along the piston chamber, and closing blocks are provided at both upper and lower ends of the piston block to close the vent.

[0019] Beneficial Effects

[0020] The utility model provides a photovoltaic glass thickness detection device based on a transmission belt. Compared with the prior art, it has the following beneficial effects:

[0021] (1) The photovoltaic glass thickness detection device based on the conveyor belt can drive multiple photovoltaic glasses to move through the conveyor belt. During the movement, the photovoltaic glasses are rolled by multiple detection rollers. During the rolling process, the thickness sensor arranged between the mounting plate and the pressure plate constantly detects the thickness value. If the thickness value detected is within the set threshold range, it is in a qualified state. When the detected thickness value is higher or lower than the detection value range, it indicates that the photovoltaic glass is an unqualified product. When an unqualified product is detected, the adsorption plate arranged at the bottom of the lifting plate is driven by the lifting cylinder to press the photovoltaic glass. The glass is adsorbed, and then the reciprocating screw is driven by a driving motor to rotate, so that the movable plate can move in a straight line, and then the photovoltaic glass can be placed in the collection bin with the cooperation of the lifting cylinder, the three-way valve and the venting pipe arranged on the three-way valve. The whole process can realize the unqualified photovoltaic glass unloading and centralized collection, which reduces the work intensity of the staff to a certain extent and improves the production efficiency. The specific adsorption process is that the vacuum air cavity can be evacuated through the cooperation between the vacuum air pump and the three-way valve, and then the photovoltaic glass can be adsorbed under the adsorption of multiple adsorption ports connected to the vacuum air cavity.

[0022] (2) In the photovoltaic glass thickness detection device based on the conveyor belt, when the vacuum air cavity is in the process of inhaling air, the piston block in the piston cavity has an upward force due to the negative pressure, and the upward moving closing plug will be inserted into the air vent between the piston cavity and the vacuum air cavity, thereby achieving a closing effect, effectively preventing a certain amount of dust or other impurities from being inhaled when adsorbing some smaller photovoltaic glasses, thereby extending the service life of the entire device to a certain extent. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a three-dimensional schematic diagram of the utility model;

[0024] Figure 2 It is a structural schematic diagram of the adjustment mechanism of the utility model;

[0025] Figure 3 This is a schematic diagram of the interior of the adsorption plate of the utility model;

[0026] Figure 4 Schematic diagram of different motion states of the piston block of the utility model.

[0027] In the figure: 1. base platform; 2. conveyor belt; 3. support frame; 4. gantry; 5. moving plate; 6. lifting cylinder; 7. lifting plate; 8. collecting bin; 9. telescopic cylinder; 10. mounting plate; 11. pressure plate; 12. side plate; 13. detection roller; 14. thickness sensor; 15. fixed plate; 16. reciprocating screw rod; 17. moving platform; 18. limit light rod; 19. adsorption plate; 20. vacuum air cavity; 21. adsorption port; 22. vacuum air pump; 23. piston cavity; 24. vent; 25. piston block; 26. closing plug block; 27. drive motor; 28. three-way valve. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] The utility model provides two technical solutions:

[0030] Figure 1-4 The first embodiment is shown: a photovoltaic glass thickness detection device based on a conveyor belt, comprising a base 1, a conveyor belt 2 for conveying photovoltaic glass is provided on the base 1, and a support frame 3 and a gantry frame 4 are provided on the base 1 and in sequence along the conveying direction of the conveyor belt 2;

[0031] A detection mechanism for detecting the thickness of the photovoltaic glass is provided on the support frame 3 through a telescopic assembly;

[0032] A movable plate 5 is provided on the gantry 4 through an adjustment mechanism, and a material discharge mechanism for discharging unqualified glass is provided on the movable plate 5. The material discharge mechanism includes a lifting cylinder 6 provided on the movable plate 5, and a lifting plate 7 is provided at the telescopic end of the lifting cylinder 6. An adsorption component for adsorbing photovoltaic glass is provided at the bottom of the lifting plate 7;

[0033] The base 1 is also provided with a collection bin 8 with an opening at the top for centrally collecting unqualified photovoltaic glass.

[0034] The telescopic assembly comprises a telescopic cylinder 9 arranged on a mounting frame, and a mounting plate 10 is provided at the telescopic end of the telescopic cylinder 9.

[0035] Among them, the detection mechanism includes a pressure plate 11 installed at the bottom of the mounting plate 10, and side plates 12 arranged vertically downward are provided on the opposite sides of the pressure plate 11. A plurality of detection rollers 13 for detecting photovoltaic glass are rotatably connected between the side plates 12, and the plurality of detection rollers 13 are distributed equidistantly in sequence. A thickness sensor 14 is also provided between the pressure plate 11 and the mounting plate 10; it should be noted that the thickness sensor 14 is a prior art, specifically a non-contact eddy current thickness sensor, which can be purchased on the market.

[0036] Among them, the adjustment mechanism includes a fixed plate 15 arranged at the bottom of the gantry 4 and arranged vertically downward, a reciprocating screw rod 16 is arranged between the fixed plate 15 and the gantry 4, a moving platform 17 that slides linearly along the reciprocating screw rod 16 is arranged on the reciprocating screw rod 16, the moving disk 5 is installed on the moving platform 17, a limiting mechanism for limiting the moving platform 17 is arranged between the fixed plate 15 and the gantry 4, and a driving motor 27 that drives the reciprocating screw rod 16 to rotate is arranged on the gantry 4.

[0037] The limiting mechanism includes a limiting light rod 18 arranged between the fixed plate 15 and the gantry 4 , and the moving platform 17 is provided with a limiting through hole for the limiting light rod 18 to pass through.

[0038] Among them, the adsorption component includes an adsorption plate 19 arranged at the bottom of the lifting plate 7, a vacuum air cavity 20 is provided in the adsorption plate 19, a plurality of adsorption ports 21 connected to the vacuum air cavity 20 are provided on the adsorption plate 19, and a closing mechanism is provided between the adsorption port 21 and the vacuum air cavity 20.

[0039] The suction port 21 is gradually widened from top to bottom.

[0040] Among them, a vacuum air pump 22 connected to the vacuum air cavity 20 is provided on the adsorption plate 19, and a three-way valve 28 is also provided between the vacuum pump and the vacuum air cavity 20; it should be noted that the three-way valve 28 is a prior art, and one of the ports of the three-way valve 28 is connected to the vacuum air pump 22, and the remaining two ports are one air guide port connected to the internal vacuum air cavity 20 and one air intake port. When vacuum suction is performed, the internal valve of the three-way valve 28 closes the air intake port of the three-way valve 28, and the vacuum air cavity 20 is connected to the vacuum air cavity 20. The air pump 22 is connected to achieve the effect of exhausting air; when unloading is required, the internal valve of the three-way valve 28 closes the connecting port between the three-way valve 28 and the vacuum air pump 22, allowing external air to flow in from the air inlet port and into the vacuum air cavity 20 from the air guide hole, thereby completing the unloading work; and in order to extend the service life, the air inlet port is usually connected to the air inlet pipe, and a dustproof net is installed in the air inlet pipe to prevent external dust from entering the vacuum air cavity 20, thereby extending the service life of the entire device to a certain extent.

[0041] Among them, it should be noted that a controller is also provided in the utility model, and the telescopic cylinder 9, the lifting cylinder 6, the conveyor belt 2, the thickness sensor 14, the drive motor 27 and the vacuum air pump 22 are all electrically connected to the controller, and the telescopic cylinder 9, the lifting cylinder 6, the conveyor belt 2, the thickness sensor 14, the drive motor 27 and the vacuum air pump 22 work in coordination under the control of the controller. The specific working method is as follows: the photovoltaic glass is rolled by a plurality of detection rollers 13, and during the rolling process, the thickness sensor 14 arranged between the mounting plate 10 and the pressure plate 11 detects the thickness value at all times, and the thickness value detected is in a qualified state within the set threshold range, and when the detected thickness value is higher or lower than the detection value range, it indicates that the photovoltaic glass is an unqualified product; when the detection When unqualified products are produced, the adsorption plate 19 arranged at the bottom of the lifting plate 7 is driven by the lifting cylinder 6 to adsorb the photovoltaic glass, and then the reciprocating screw 16 is driven to rotate by the driving motor 27, so that the movable plate 5 can move in a straight line, and then the photovoltaic glass can be placed in the collection bin 8 with the cooperation between the lifting cylinder 6, the three-way valve 28 and the venting pipe arranged on the three-way valve 28. The whole process can realize the unloading and centralized collection of unqualified photovoltaic glass, which reduces the work intensity of the staff to a certain extent and improves the production efficiency. The specific adsorption process is that the vacuum air pump 22 and the three-way valve 28 cooperate with each other to evacuate the vacuum air cavity 20, and then the adsorption of the photovoltaic glass can be realized under the adsorption of multiple adsorption ports 21 connected to the vacuum air cavity 20.

[0042] Figure 1 and Figure 4 A second embodiment is shown, which mainly differs from the first embodiment in that a closing mechanism includes a piston chamber 23 disposed between a suction port 21 and a vacuum air chamber 20, a vent 24 is provided between the piston chamber 23 and the vacuum air chamber 20 and the suction port 21, a piston block 25 is provided in the piston chamber 23 and is lifted up and down along the piston chamber 23, and closing plugs 26 are provided at both upper and lower ends of the piston block 25 for closing the vent 24.

[0043] When the vacuum air cavity 20 is in the process of inhaling air, the piston block 25 in the piston cavity 23 has an upward force due to the negative pressure, and the upward moving closing plug 26 will be inserted into the vent 24 between the piston cavity 23 and the vacuum air cavity 20, thereby achieving a closing effect, effectively preventing the inhalation of certain dust or other impurities when adsorbing some smaller photovoltaic glasses, thereby extending the service life of the entire device to a certain extent.

[0044] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art, and the model parameters of each electrical appliance are not specifically limited, and conventional equipment can be used.

[0045] When in use, firstly, the conveyor belt 2 can be used to drive multiple photovoltaic glasses to move, and during the movement, the photovoltaic glasses are rolled by the multiple detection rollers 13, and during the rolling process, the thickness sensor 14 arranged between the mounting plate 10 and the pressure plate 11 constantly detects the thickness value, and the thickness value detected is in a qualified state within the set threshold range, and when the detected thickness value is higher or lower than the detection value range, it indicates that the photovoltaic glass is an unqualified product; when an unqualified product is detected, the adsorption plate 19 arranged at the bottom of the lifting plate 7 is driven by the lifting cylinder 6 to adsorb the photovoltaic glass, and then the reciprocating screw 16 is driven to rotate by the driving motor 27, so that the movable plate 5 can move in a straight line, and then the lifting cylinder 6, the three-way valve 28 and the venting pipe arranged on the three-way valve 28 cooperate with each other, and the photovoltaic glass can be placed in the collection bin 8, and the whole process can be The unqualified photovoltaic glass can be unloaded and collected in a centralized manner, which reduces the work intensity of the staff to a certain extent and improves the production efficiency. The specific adsorption process is to set the vacuum air pump 22 and the three-way valve 28 to cooperate with each other, so as to evacuate the vacuum air cavity 20, and then the photovoltaic glass can be adsorbed under the adsorption of multiple adsorption ports 21 connected to the vacuum air cavity 20. In order to prevent dust from being sucked into the vacuum air cavity 20 when adsorbing some smaller photovoltaic glasses, when the vacuum air cavity 20 is in the process of suction, the piston block 25 in the piston cavity 23 has an upward force due to the negative pressure, and the upward moving closing plug 26 will be inserted into the vent 24 between the piston cavity 23 and the vacuum air cavity 20, thereby achieving a closing effect, effectively preventing the suction of certain dust or other impurities when adsorbing some smaller photovoltaic glasses, and extending the service life of the entire device to a certain extent.

[0046] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0047] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A photovoltaic glass thickness detection device based on a conveyor belt, comprising a base (1), characterized in that: A conveyor belt (2) for conveying photovoltaic glass is provided on the base platform (1), and a support frame (3) and a gantry frame (4) are provided on the base platform (1) in sequence along the conveying direction of the conveyor belt (2); The support frame (3) is provided with a detection mechanism for detecting the thickness of the photovoltaic glass via a telescopic assembly; The gantry (4) is provided with a movable plate (5) via an adjustment mechanism, the movable plate (5) is provided with a material discharge mechanism for discharging unqualified glass, the material discharge mechanism comprises a lifting cylinder (6) arranged on the movable plate (5), a lifting plate (7) is provided at the telescopic end of the lifting cylinder (6), and an adsorption component for adsorbing photovoltaic glass is provided at the bottom of the lifting plate (7); The base platform (1) is also provided with a collection bin (8) with an opening at the top for centrally collecting unqualified photovoltaic glass.

2. The photovoltaic glass thickness detection device based on a transmission belt according to claim 1, characterized in that: The telescopic assembly comprises a telescopic cylinder (9) arranged on a mounting frame, and a mounting plate (10) is provided at the telescopic end of the telescopic cylinder (9).

3. A photovoltaic glass thickness detection device based on a transmission belt according to claim 2, characterized in that: The detection mechanism comprises a pressure plate (11) installed at the bottom of the mounting plate (10), and side plates (12) arranged vertically downward are provided on opposite sides of the pressure plate (11), and a plurality of detection rollers (13) for detecting photovoltaic glass are rotatably connected between the side plates (12), and the plurality of detection rollers (13) are distributed in sequence at equal intervals, and a thickness sensor (14) is also provided between the pressure plate (11) and the mounting plate (10).

4. The photovoltaic glass thickness detection device based on a transmission belt according to claim 1, characterized in that: The adjustment mechanism comprises a fixed plate (15) arranged at the bottom of the gantry (4) and arranged vertically downward, a reciprocating screw (16) is arranged between the fixed plate (15) and the gantry (4), a moving platform (17) which slides linearly along the reciprocating screw (16) is arranged on the reciprocating screw (16), the moving plate (5) is mounted on the moving platform (17), a limiting mechanism for limiting the moving platform (17) is arranged between the fixed plate (15) and the gantry (4), and a driving motor (27) which drives the reciprocating screw (16) to rotate is arranged on the gantry (4).

5. The photovoltaic glass thickness detection device based on a transmission belt according to claim 4, characterized in that: The limiting mechanism comprises a limiting light rod (18) arranged between the fixed plate (15) and the gantry (4), and the movable platform (17) is provided with a limiting through hole for the limiting light rod (18) to pass through.

6. The photovoltaic glass thickness detection device based on a transmission belt according to claim 1, characterized in that: The adsorption assembly comprises an adsorption plate (19) arranged at the bottom of the lifting plate (7), a vacuum air cavity (20) being arranged in the adsorption plate (19), a plurality of adsorption ports (21) being arranged on the adsorption plate (19) and being connected to the vacuum air cavity (20), and a closing mechanism being arranged between the adsorption ports (21) and the vacuum air cavity (20).

7. The photovoltaic glass thickness detection device based on a transmission belt according to claim 6, characterized in that: The adsorption port (21) is arranged to gradually become wider from top to bottom.

8. The photovoltaic glass thickness detection device based on a transmission belt according to claim 6, characterized in that: The adsorption plate (19) is provided with a vacuum air pump (22) which is in communication with the vacuum air cavity (20), and a three-way valve (28) is also provided between the vacuum pump and the vacuum air cavity (20).

9. The photovoltaic glass thickness detection device based on a transmission belt according to claim 6, characterized in that: The closing mechanism comprises a piston chamber (23) arranged between the suction port (21) and the vacuum air chamber (20); a vent (24) is arranged between the piston chamber (23), the vacuum air chamber (20) and the suction port (21); a piston block (25) is arranged in the piston chamber (23) and is lifted up and down along the piston chamber (23); and closing plug blocks (26) are arranged at both upper and lower ends of the piston block (25) for closing the vent (24).

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