Photovoltaic glass coating conveying device

Abstract

The utility model discloses a kind of photovoltaic glass coating conveying devices, including rack;Conveying mechanism, install on rack, for supporting and conveying photovoltaic glass;Wherein, conveying device is built-in integrated antistatic system, integrated antistatic system includes: integrated antistatic conveying carrier structure, the contact conveying surface of constitution conveying mechanism;Structured low resistance grounding system, conveying carrier structure is electrically connected with rack, and rack is connected to external ground electrode;Integrated active electrostatic neutralization structure, install on the designated station of rack top;Antistatic auxiliary contact component, install on rack and cooperate with conveying mechanism, for the positioning or transfer of glass.The utility model has the advantages of compact structure, electrostatic elimination high efficient and reliable, and high integration degree with conveying line body.

Description

Technical Field

[0001] This utility model relates to the field of photovoltaic glass processing and coating auxiliary conveying technology, specifically a photovoltaic glass coating conveying device. Background Technology

[0002] Photovoltaic glass coating is a key process for improving its photoelectric conversion efficiency and durability. It typically employs methods such as magnetron sputtering or chemical vapor deposition (CVD). This process requires continuous, stable, and precise transport of the glass substrate throughout the entire process before, during, and after coating. In existing technologies, antistatic treatment is an essential step to achieve glass transport that meets coating requirements. During transport, the glass is prone to generating and accumulating static charges due to friction with rollers, belts, and other components. If these static charges are not effectively eliminated, they can attract dust from the air and contaminate the glass surface, or trigger discharges during the coating process, damaging the coated or uncoated film.

[0003] However, current common conveying devices have significant inconveniences in static elimination. Their anti-static measures are mostly added later, such as setting up ion fans separately or using local and discontinuous grounding methods. These methods often result in a loose system structure, incomplete grounding circuits and unstable resistance, and low static discharge efficiency. The additional active neutralization equipment has poor integration with the conveyor line, is inconvenient to adjust the installation position, has limited coverage, and is difficult to achieve uniform and reliable full-area static neutralization. At the same time, the anti-static properties of the materials of key components such as rollers and belts that come into direct contact with the glass and the conductive continuity design of the mechanical structure are often neglected, further weakening the overall anti-static effect. Utility Model Content

[0004] The purpose of this invention is to provide a photovoltaic glass coating conveying device, which has the advantages of compact structure, efficient and reliable static elimination, and high integration with the conveying line, thus solving the problems in the prior art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: A photovoltaic glass coating conveying device includes: frame; The conveying mechanism, mounted on the frame, is used to support and convey photovoltaic glass; The conveying device has a built-in integrated anti-static system, which includes: The integrated anti-static conveyor structure forms the contact surface of the conveying mechanism; The structured low-resistance grounding system electrically connects the transmission carrier structure to the rack and connects the rack to an external grounding electrode. An integrated active electrostatic neutralization structure is installed above a designated workstation on the rack. Antistatic auxiliary contact components are mounted on the frame and cooperate with the conveying mechanism for positioning or transferring glass. The integrated anti-static transport carrier structure, the structured low-resistance grounding system, the integrated active static neutralization structure, and the anti-static auxiliary contact components together form a static elimination network covering the entire transport process.

[0006] Preferably, the integrated anti-static conveyor structure is a roller conveyor, which includes multiple conductive composite rollers arranged side by side; the conductive composite rollers have a metal core shaft and a conductive silicone layer covering the metal core shaft; the two ends of the metal core shaft are rotatably connected to the frame through conductive bearings.

[0007] It is worth noting that this conductive composite roller structure integrates anti-static function with the conveying carrier body. The conductive silicone layer provides a flexible contact surface to prevent glass scratches, while directly conducting the static charge generated by glass friction to the internal metal core. The metal core establishes a channel for discharge to the frame through conductive bearings at both ends. This design fundamentally changes the shortcomings of traditional non-conductive rollers that can only transport but not conduct static electricity. It achieves efficient discharge from the source of static electricity generation, avoids the initial accumulation of static charge on the glass surface, and provides the first guarantee for the cleanliness of subsequent processes.

[0008] Preferably, the integrated anti-static conveyor structure is a belt conveyor mechanism, which includes an annular conductive rubber belt and metal rollers supporting the belt; the conductive rubber belt forms a closed conductive loop; the metal rollers are rotatably connected to the frame through conductive bearings and their bearing seats.

[0009] It is worth noting that this belt conveyor mechanism provides another efficient anti-static solution for long-distance or specific process section conveying. The rubber belt mixed with conductive material itself forms a continuous electrostatic conductive plane. The electrical continuity of the belt loop itself is ensured by conductive joints, and then the static electricity is conducted to the frame grounding system in a multi-node, distributed manner through multiple metal idlers and conductive bearings.

[0010] Preferably, the structured low-resistance grounding system includes: a conductive connector connected between the bearing housing of the conductive bearing and the frame; and a main grounding terminal disposed on the frame for connecting an external grounding conductor.

[0011] It is worth noting that this structured low-resistance grounding system is the core guarantee for the reliability of electrostatic elimination of this device. It establishes a dedicated low-resistance path with sufficient cross-sectional area and a firm connection between the bearing housing and the frame through a pre-set conductive connector (such as copper braided tape). This path is completed synchronously with the mechanical assembly, avoiding the problem of unstable resistance caused by accidental contact of bolts in the traditional method. Combined with the main grounding terminal on the frame, a complete, pre-set, low-resistance grounding network is formed from the friction point (roller / belt) to the ground (workshop grounding electrode). This ensures that static charge can be quickly and thoroughly conducted away, solving the problem of low electrostatic elimination efficiency caused by excessively high or intermittent grounding circuit impedance.

[0012] Preferably, the conductive connector is a copper braided strip or a conductive jumper wire.

[0013] It is worth noting that using copper braided tape or dedicated conductive jumper wire as conductive connectors has significant advantages. Copper braided tape has excellent flexibility and fatigue resistance, which can compensate for slight vibrations and displacements during equipment operation, maintain the long-term reliability of grounding connection, and avoid grounding failure due to loosening of connection caused by vibration. Its multi-strand fine filament structure provides a larger surface area, which is conducive to current conduction and ensures low impedance characteristics.

[0014] Preferably, the integrated active electrostatic neutralization structure includes an ion bar, an adjustable bracket for mounting the ion bar, and an ion generator; the adjustable bracket is bolted to both sides of the frame, and the ion generator is electrically connected to the ion bar via a wire groove integrated in the frame.

[0015] It is worth noting that the bolted connection between the adjustable bracket and the frame achieves rigid fixation, ensuring the long-term stability of the ion fan bar position. Its adjustability can also finely optimize the distance and angle between the fan bar and the glass surface to achieve the best neutralization effect. The power supply and control lines are routed through the pre-installed cable trays in the frame, making the overall appearance neat and avoiding the safety hazards and interference caused by exposed cables.

[0016] Preferably, the anti-static auxiliary contact component includes a positioning block, which is U-shaped. The auxiliary contact component is made of conductive silicone and has a metal connector embedded inside, which is electrically connected to the frame.

[0017] It is worth noting that the design of the U-shaped conductive silicone positioning block cleverly combines the mechanical positioning function with the static electricity discharge function. When the glass edge contacts the block for positioning, the static charge can be directly introduced into the rack grounding system through the conductive silicone and internal metal connectors, preventing new static electricity accumulation or discharge at the positioning point. The U-shaped structure can limit the glass on both sides, and the contact area is moderate, which not only ensures the positioning effectiveness, but also avoids excessive resistance.

[0018] Preferably, the frame is made of stainless steel or aluminum alloy with conductive strips embedded in its surface.

[0019] It is worth noting that this choice of rack material is fundamental to constructing a comprehensive low-resistance grounding network. Stainless steel racks inherently possess excellent conductivity, serving as a unified grounding equipotential body. When lightweight materials such as aluminum alloys are used, a continuous, low-resistance conductive framework is artificially constructed through pre-embedded conductive strips (such as copper busbars), ensuring potential balance along the entire length of the rack. This allows current flowing smoothly from various grounding connections into the rack to the main grounding terminal, avoiding potential differences and grounding efficiency attenuation caused by uneven or excessively high rack resistance. This structurally guarantees the overall effectiveness of the grounding system.

[0020] Compared with the prior art, the beneficial effects of this utility model are as follows: 1. This utility model, by setting up an integrated anti-static conveyor structure and a structured low-resistance grounding system, constructs a preset, continuous low-resistance conductive path from the static electricity generation source (contact point) to the terminal ground (grounding electrode). The static charge generated during glass conveying can be immediately conducted to the metal core shaft or idler roller through the conductive composite roller or conductive belt in contact with it, and then into the frame through the conductive bearing and conductive connectors. Finally, it is reliably guided to the ground through the main grounding terminal. This design integrates the static electricity discharge function into the conveyor body, ensuring that the static charge is continuously and efficiently guided away from the glass surface, fundamentally solving the problems of static electricity accumulation and low discharge efficiency caused by incomplete grounding circuit and unstable resistance. 2. This utility model, by setting an integrated active electrostatic neutralization structure, rigidly installs the ion bar above the designated work position on the frame via an adjustable bracket. Its position is stable and can be finely adjusted. During use, the ion wind generated by the ion bar stably and evenly covers the glass surface below, effectively neutralizing the residual static charge that could not be completely conducted away. This integrated design solves the drawbacks of traditional external equipment, such as loose installation, uneven coverage, and lack of coordination with the conveying action. It achieves reliable supplementation and elimination of static electricity at key work positions, ensuring the effectiveness of electrostatic protection in the entire area. 3. This utility model, by setting up anti-static auxiliary contact components made of conductive materials, such as U-shaped positioning blocks, enables the static charge generated by the glass during all contact processes such as positioning and transfer to be directly introduced into the rack grounding system through the metal connectors embedded in the components. This design eliminates the hidden danger of traditional insulating auxiliary components becoming "static islands" and realizes a closed loop of anti-static function from the transport carrier to the auxiliary components, effectively preventing damage to the glass coating quality caused by electrostatic discharge or dust in local areas such as positioning points. Attached Figure Description

[0021] Figure 1 The diagram shown is a three-dimensional structural schematic of this utility model; Figure 2 The diagram shown is a three-dimensional structural schematic of the first embodiment of the integrated anti-static conveyor structure of this utility model. Figure 3 The diagram shown is a three-dimensional structural schematic of the structured low-resistance grounding system of this utility model. Figure 4 The diagram shown is a three-dimensional structural schematic of the integrated active electrostatic neutralization structure of this utility model. Figure 5 The diagram shown is a three-dimensional structural schematic of the antistatic auxiliary contact component of this utility model. Figure 6 The diagram shown is a three-dimensional structural schematic of the second embodiment of the integrated anti-static conveyor structure of this utility model.

[0022] Reference numerals: 1. Frame; 2. Roller conveyor; 3. Conductive composite roller; 301. Metal mandrel; 302. Conductive silicone layer; 303. Conductive bearing; 304. Bearing housing; 4. Structured low-resistance grounding system; 401. Conductive connector; 402. Main grounding terminal; 5. Integrated active electrostatic neutralization structure; 501. Ionizing air bar; 502. Adjustable bracket; 503. Ion generator; 6. Antistatic auxiliary contact component; 601. Positioning block; 602. Metal connector; 7. Belt conveyor mechanism; 701. Conductive rubber belt; 702. Metal idler roller. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] To address the issues of loosely structured, poorly integrated, and ineffective antistatic measures in existing technologies, the following technical solution is proposed. Please refer to [link / reference needed]. Figures 1-6 ; A photovoltaic glass coating conveying device, comprising: Rack 1; A conveying mechanism, mounted on frame 1, is used to support and convey photovoltaic glass; The conveying device has a built-in integrated anti-static system, which includes: The integrated anti-static conveyor structure forms the contact surface of the conveying mechanism; The structured low-resistance grounding system 4 electrically connects the transmission carrier structure to the frame 1 and connects the frame 1 to an external grounding electrode; An integrated active electrostatic neutralization structure 5 is installed above a designated workstation on the rack 1; Antistatic auxiliary contact component 6 is mounted on frame 1 and cooperates with the conveying mechanism for positioning or transferring glass; The integrated anti-static conveyor structure, the structured low-resistance grounding system 4, the integrated active static neutralization structure 5, and the anti-static auxiliary contact components 6 together constitute a static elimination network covering the entire conveying process.

[0025] Example 1: Please refer to Figure 2 In this embodiment, specifically: the integrated anti-static conveyor structure is a roller conveyor 2, which includes multiple conductive composite rollers 3 arranged side by side; the conductive composite roller 3 has a metal core shaft 301 and a conductive silicone layer 302 covering the metal core shaft 301; the two ends of the metal core shaft 301 are rotatably connected to the frame 1 through conductive bearings 303. This conductive composite roller 3 structure realizes the integration of conveying and static discharge. The conductive silicone layer 302 provides flexible contact and prevents glass scratches, while directly introducing triboelectric static charge into the metal core shaft 301, and then establishing an outlet channel to the frame 1 through the conductive bearings 303. This design achieves efficient source discharge from the contact point where static electricity is generated, solving the fundamental problem that traditional non-conductive rollers cannot conduct static electricity.

[0026] Example 2: Please refer to Figure 6 In this embodiment, specifically: the integrated anti-static conveyor structure is a belt conveyor mechanism 7, which includes an annular conductive rubber belt 701 and a metal idler roller 702 supporting the belt; the conductive rubber belt 701 forms a closed conductive loop; the metal idler roller 702 is rotatably connected to the frame 1 through a conductive bearing 303 and its bearing seat 304. The closed conductive loop formed by the conductive rubber belt 701 provides a continuous conductive planar convection glass for long-distance conveying. Static charge can be conducted to the metal idler roller 702 at multiple points through the conductive rubber belt 701, and then discharged through the conductive bearing 303. This design eliminates the blind spot where static electricity generated by traditional insulating belts has nowhere to be released, and is particularly suitable for the feeding or discharging section, realizing the distributed and reliable discharge of static electricity.

[0027] In this embodiment, specifically: the structured low-resistance grounding system 4 includes: a conductive connector 401, which is connected between the bearing seat 304 of the conductive bearing 303 and the frame 1; and a main grounding terminal 402, which is disposed on the frame 1 and is used to connect an external grounding conductor.

[0028] In this embodiment, specifically, the conductive connector 401 is a copper braided strip or a conductive jumper wire.

[0029] In this embodiment, specifically: the integrated active electrostatic neutralization structure 5 includes an ion bar 501, an adjustable bracket 502 for mounting the ion bar 501, and an ion generator 503; the adjustable bracket 502 is mounted on both sides of the frame 1 by bolts, and the ion generator 503 is electrically connected to the ion bar 501 through a wire groove integrated in the frame 1.

[0030] In this embodiment, specifically: the antistatic auxiliary contact component 6 includes a positioning block 601, which is U-shaped. The auxiliary contact component is made of conductive silicone and has a metal connector 602 embedded inside. The metal connector 602 is electrically connected to the frame 1.

[0031] In this embodiment, specifically: the frame 1 is made of stainless steel or aluminum alloy with conductive strips embedded in its surface.

[0032] Working principle: After the photovoltaic glass is placed on the conveying mechanism, the drive system on the frame 1 drives the conveying mechanism to run. The integrated anti-static conveying carrier structure in the conveying mechanism, namely the conductive composite roller 3 of the roller 2 or the conductive rubber belt 701 of the belt conveying mechanism 7, starts to rotate to convey the glass. When the glass comes into contact with the surface of the conductive silicone layer 302 or the conductive rubber belt 701 and generates static charge through relative movement, the static charge is immediately introduced into the surface of the conductive carrier in contact with it. In the roller conveyor 2 scheme, the charge is conducted to the metal core shaft 301 through the conductive silicone layer 302 and then discharged through the conductive bearings 303 at both ends. In the belt conveyor mechanism 7, the charge is conducted through the conductive rubber belt 701 that forms a closed conductive loop to the multiple metal rollers 702 that are in contact with it, and then discharged through the conductive bearings 303 at both ends of the metal rollers 702. Subsequently, the static charge discharged through the conductive bearing 303 flows into the frame 1, which is reliably electrically connected to the bearing housing 304 through the conductive connector 401 (such as copper braided tape), and is finally introduced into the external grounding electrode through the main grounding terminal 402 set on the frame 1, thus completing the passive discharge. Meanwhile, above key locations such as the inlet of the coating chamber or the precise positioning station, the ion wind bar 501, fixed to the frame 1 by the adjustable bracket 502, continuously blows ion wind down onto the glass surface under the drive of the ion generator 503, actively neutralizing any residual static charge. During the entire transport process, when the glass edge comes into contact with the U-shaped positioning block 601, which is made of conductive silicone and has a metal connector 602 embedded inside, the static charge generated at that point can also be conducted into the grounding system of the rack 1 through the metal connector 602. The entire process utilizes the synergistic effect of an integrated anti-static transport carrier structure, a structured low-resistance grounding system 4, an integrated active static neutralization structure 5, and anti-static auxiliary contact components 6 to form a static elimination network covering the entire transport process, ensuring that the glass is effectively protected before, during, and after coating.

[0033] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0034] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention.

Claims

1. A photovoltaic glass coating conveying device, characterized in that, include: Rack (1); A conveying mechanism, mounted on a frame (1), is used to support and convey photovoltaic glass; The conveying device has a built-in integrated anti-static system, which includes: The integrated anti-static conveyor structure forms the contact surface of the conveying mechanism; The structured low-resistance grounding system (4) electrically connects the transmission carrier structure to the frame (1) and connects the frame (1) to the external grounding electrode; An integrated active electrostatic neutralization structure (5) is installed above a designated workstation on the rack (1); An antistatic auxiliary contact component (6) is installed on the frame (1) and cooperates with the conveying mechanism for positioning or transferring glass; The integrated antistatic transport carrier structure, the structured low-resistance grounding system (4), the integrated active static neutralization structure (5), and the antistatic auxiliary contact components (6) together constitute a static elimination network covering the entire transport process.

2. The photovoltaic glass coating conveying device according to claim 1, characterized in that, The integrated antistatic conveyor structure is a roller conveyor (2), which includes multiple conductive composite rollers (3) arranged side by side; the conductive composite roller (3) has a metal core shaft (301) and a conductive silicone layer (302) covering the metal core shaft (301); the two ends of the metal core shaft (301) are rotatably connected to the frame (1) through conductive bearings (303).

3. The photovoltaic glass coating conveying device according to claim 1, characterized in that, The integrated anti-static conveyor structure is a belt conveyor mechanism (7), which includes an annular conductive rubber belt (701) and a metal roller (702) supporting the belt; the conductive rubber belt (701) forms a closed conductive loop; the metal roller (702) is rotatably connected to the frame (1) through a conductive bearing (303) and its bearing seat (304).

4. The photovoltaic glass coating conveying device according to claim 2 or 3, characterized in that, The structured low-resistance grounding system (4) includes: a conductive connector (401) connected between the bearing seat (304) of the conductive bearing (303) and the frame (1); and a main grounding terminal (402) disposed on the frame (1) for connecting an external grounding conductor.

5. The photovoltaic glass coating conveying device according to claim 4, characterized in that, The conductive connector (401) is a copper braided strip or a conductive jumper wire.

6. The photovoltaic glass coating conveying device according to claim 1, characterized in that, The integrated active electrostatic neutralization structure (5) includes an ion bar (501), an adjustable bracket (502) for mounting the ion bar (501), and an ion generator (503); the adjustable bracket (502) is bolted to both sides of the frame (1), and the ion generator (503) is electrically connected to the ion bar (501) through a wire groove integrated in the frame (1).

7. The photovoltaic glass coating conveying device according to claim 1, characterized in that, The antistatic auxiliary contact component (6) includes a positioning block (601), which is U-shaped. The auxiliary contact component is made of conductive silicone and has a metal connector (602) embedded inside. The metal connector (602) is electrically connected to the frame (1).

8. The photovoltaic glass coating conveying device according to claim 1, characterized in that, The frame (1) is made of stainless steel or aluminum alloy with conductive strips embedded in the surface.

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