Polycrystalline silicon rod transfer device

Abstract

The utility model relates to the technical field of polycrystalline silicon production, and discloses a polycrystalline silicon rod transfer device which comprises a transfer box, a plurality of layers of horizontally arranged drawer plates are installed in the transfer box in a longitudinal mode, the drawer plates divide the inner space of the transfer box into a plurality of storage spaces, sliding grooves are symmetrically formed in the two sides of the interior of the transfer box, and the sliding grooves are communicated with the drawer plates. The drawer plate is in sliding connection with the sliding grooves in the two sides, and the drawer plate enters and exits the transfer box through an opening formed in one side of the transfer box; air nozzles and air suction nozzles are arranged on the left and right side walls of each storage space; the air nozzle is connected with an air supply assembly for providing pressure air through a pipeline, and the air suction nozzle is connected with a negative pressure assembly for providing negative pressure through a pipeline. The transfer device provided by the utility model is provided with the cleaning part, so that the whole device can be used for transferring the silicon rods and also can be used for blowing and cleaning the transferred silicon rods, the product quality can be obviously improved, the product value can be improved, and the working efficiency can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to polycrystal silicon production technical field, concretely relates to a polycrystal silicon silicon rod transfer device. BACKGROUND

[0002] Polycrystal silicon is the basic material of solar cell piece of photovoltaic power generation. At the same time, single crystal silicon produced by taking electronic grade polycrystal silicon as raw material is the basic material of electronic information industry, and is the raw material of producing large-scale integrated circuit, semiconductor separation component and power electronic device. Polycrystal silicon is stopped in the reduction furnace after growing to a certain size, and is loaded into a silicon rod car after being discharged to be transported to the next process for further operation.

[0003] The surface silicon powder of silicon rod has a larger specific surface area after being discharged, can adsorb more metal impurities separated in the reaction process, and the adsorbed metal impurities can seriously affect product quality. Therefore, the silicon rod usually needs to be swept and dedusted after being discharged. For example, the utility model patent with publication number CN219575593U discloses a conveying device and transfer equipment, and the transfer frame at each placement area is provided with a gas jet nozzle, so that the gas jet nozzle can be used to spray high-speed gas to blow and dry the workpiece plate, so that the workpiece plate placed in the placement area almost has no water stain residue, thereby reducing the probability of water stain dropping from the workpiece plate to the AGV car body, reducing the failure rate of the AGV car body, and improving the transportation efficiency of the workpiece plate.

[0004] The conveying device has the gas jet nozzle, but is not used for blowing and sweeping the silicon rod, but is used for cleaning the transfer car. Even if the nozzle of the device can blow and sweep the workpiece, the silicon powder and other dust impurities blown down cannot be treated in time, can be raised to the air, and can affect the health of on-site operators. SUMMARY

[0005] In order to solve the problems and deficiencies in the prior art, the utility model provides a polycrystal silicon silicon rod transfer device, which has both transfer function and cleaning function, can blow and clean the transferred silicon rod in time, can significantly improve product quality, and can improve product value.

[0006] In order to realize the above-mentioned purposes, the technical scheme of the utility model is as follows:

[0007] The utility model provides a kind of polysilicon silicon rod transfer device, the device includes transfer box, drawer board of multiple horizontal arrangements is installed from top to bottom in transfer box, horizontal drawer board separates the inside space of transfer box from top to bottom into multiple storage spaces, the inside two sides of the transport box are symmetrically provided with sliding groove, drawer board is slidably connected with the sliding groove of two sides, and the drawer board enters and exits the transfer box by the opening of the side of transfer box;Left and right side walls of each storage space are provided with air jet nozzle and suction nozzle;Air jet nozzle is connected with gas supply assembly of providing pressure gas by pipeline, and suction nozzle is connected with negative pressure assembly of providing negative pressure by pipeline.

[0008] Further, as preferably, left and right side walls of each storage space are respectively provided with multiple rows of air jet nozzles.

[0009] Further, as preferably, a plurality of air jet nozzles are provided on the drawer board.

[0010] Further, as preferably, the surface of the drawer board and the inside side wall of the transfer box are both provided with polyurethane coating.

[0011] Further, as preferably, the side of the drawer board towards the opening of the transfer box is provided with a baffle, and the surface of the baffle is provided with polyurethane coating.

[0012] Further, as preferably, a transfer box cover is provided at the opening of the transfer box.

[0013] The utility model has the advantages of:

[0014] 1. The transfer box has a cleaning device, and the silicon rods can be cleaned and blown immediately in the transfer process after being put into the box, which can significantly improve product quality and product value.

[0015] 2. The side walls of the storage space are respectively provided with a plurality of air jet nozzles, which can clean the polysilicon silicon rods placed on the drawer board comprehensively, reduce the residue of silicon powder on the surface of the silicon rod as much as possible, and improve product quality.

[0016] 3. The left and right side walls of the transfer box are provided with suction nozzles, which can collect and process the silicon powder and other impurities blown off the surface of the silicon rod by negative pressure, avoid the accumulation of excessive combustible gas in the transport device, and prevent self-ignition or explosion, thereby improving the safety of operation.

[0017] 4. The drawer board for placing the silicon rod is slidably arranged in the transport box, which is more convenient for taking and placing the silicon rod and is less likely to cause surface damage.

[0018] 5、The utility model discloses a drawer board is provided with the baffle to the side of transfer case opening, the baffle not only can keep off the silicon rod, prevents its slide, and still can keep off the import and export of transport case, improves the leakproofness of transport case, avoids the silicon powder dust that sweeps down from the surface of silicon rod to the air, influences the health of on -the -spot operator.

[0019] 6、The utility model discloses a drawer board surface and the inner side wall of transport case all are provided with a layer of polyurethane coating, can prevent metal pollution in the transportation process, influence product quality.

[0020] 7、The utility model discloses a transfer case can replace the artificial silicon rod that discharges a furnace and carries out cleaning, reduces not only manual labor intensity, improves the operation efficiency. DRAWINGS

[0021] The foregoing and subsequent specific description of the utility model becomes more clear when reading in the combination of the following drawings, and the drawings are:

[0022] Figure 1 It is the utility model transfer device structure diagram;

[0023] Figure 2 It is the utility model transfer case internal structure front view.

[0024] In the drawing:

[0025] 2, transfer case; 3, baffle; 4, drawer board; 5, air injection nozzle; 6, suction nozzle. CONCRETE IMPLEMENTING METHOD

[0026] In order to make the technical personnel of the prior art better understand the technical scheme in the utility model, the following will be further explained by several specific examples to the technical scheme of realizing the utility model invention purposes, it is necessary to point out that the technical scheme of the utility model that the present application claims includes but is not limited to the following examples. Based on the embodiment in the utility model, all other examples obtained by the technical personnel in the art without making creative labor, should belong to the scope of the utility model protection.

[0027] Example 1

[0028] This embodiment discloses a kind of polycrystalline silicon silicon rod transfer device, as Figure 1As shown, the transfer device includes a transfer box 2, which is formed by a bottom plate, three side plates and an upper cover plate, and one side of the transfer box 2 is open. A plurality of drawer plates 4 are installed in the transfer box 2 in a vertical column, and the drawer plates 4 divide the internal space of the transfer box 2 into a plurality of storage spaces from top to bottom. The inner walls of the transfer box 2 are symmetrically provided with sliding grooves, and the two ends of the drawer plates 4 are slidingly arranged in the sliding grooves and are slidingly connected with the sliding grooves on both sides, so that the drawer plates 4 can be moved in and out of the transfer box 2. The open side of the transfer box 2 is the opening for the drawer plates 4 to move in and out of the transfer box 2. Further, the left and right side walls of each storage space are respectively provided with a gas jet nozzle 5 and a gas suction nozzle 6. The gas jet nozzle 5 is connected with a gas supply assembly through a pipeline, and the gas supply assembly provides pressure gas for the gas jet nozzle 5. The gas suction nozzle 6 is connected with a negative pressure assembly through a pipeline, and the negative pressure assembly provides negative pressure.

[0029] It can be understood that the uppermost storage space in the transfer box 2 is generally formed by the drawer plates 4, the left and right side plates, the rear side plate and the upper cover plate of the transfer box 2, and the middle storage space is generally formed by the upper and lower drawer plates 4 and the left and right side plates and the rear side plate of the transfer box 2. Therefore, for each storage space, the left and right side plates of the transfer box 2 are respectively provided with a gas jet nozzle 5 and a gas suction nozzle 6 at a position corresponding to each storage space. The gas jet nozzle 5 is generally provided with a plurality of gas jet nozzles, which can be arranged in one row or multiple rows, but the gas suction nozzle 6 is generally located above the uppermost row of gas jet nozzles 5.

[0030] It can be understood that the transfer box can be used in cooperation with a mobile trolley or an AGV trolley or other transport vehicles with transport function, and can also be used in cooperation with a belt conveyor or other equipment with transport function. When used in cooperation with the mobile trolley, at least one of the wheels of the mobile trolley is provided with a parking lock, and at least two of the four wheels are universal wheels. The transfer trolley locks the wheels through the parking lock when not in transfer operation, so that the wheels are fixed and cannot slide relatively, thereby ensuring the stability of the trolley.

[0031] In the embodiment described in the present application, the on-site operator manually carries the silicon rods out of the furnace into the transfer box 2, or uses a robot or a mechanical arm to transfer the polycrystalline silicon rods out of the furnace into the transfer box 2. The silicon rods are neatly laid on the drawer plates 4 (i.e. only one layer of silicon rods is placed on each drawer plate 4), and then the gas supply assembly is started. The pressure gas in the gas supply assembly is sprayed out from the gas jet nozzles 5, and the gas jet nozzles 5 on the left and right sides blow the silicon powder and other impurities remaining on the surface of the silicon rods from the side and top of the silicon rods. At the same time, the negative pressure assembly is turned on, and the negative pressure generated by the negative pressure assembly sucks away the silicon powder and other impurities blown off from the silicon rods together with the gas in the transfer box 2 through the gas suction nozzles 6.

[0032] It can be understood that in the above blowing cleaning process, the silicon rod can be transported after the silicon rod is cleaned in place, or the gas supply assembly and the negative pressure assembly can be started while the silicon rod is transported by cooperating with the trolley and other equipment.

[0033] Embodiment 2

[0034] The embodiment discloses a polycrystalline silicon silicon rod transporting device, and refers to the description of the accompanying Figure 2 As shown in the embodiment 1, on the basis of the embodiment 1, the gas supply assembly is generally composed of a structure for providing pressure gas by a gas cylinder and the like, the pressure gas in the gas supply assembly is sprayed out through the air jet nozzle 5, and then the silicon powder on the surface of the silicon rod in the transporting trolley is blown and cleaned; further, the negative pressure assembly is generally composed of a structure for providing negative pressure by a vacuum pump and the like, and the vacuum pump is generally also connected with a silicon powder collecting box, the negative pressure generated by the vacuum pump provides suction force for the air suction nozzle 6, and the silicon powder blown down from the silicon rod together with the gas in the transporting box is sucked away, and then discharged into the silicon powder collecting box for unified storage and treatment, which not only can avoid self-ignition and even explosion caused by excessive accumulation of combustible gas in the transporting device, and improve the safety of operation, but also can avoid the silicon powder dust blown down from the surface of the silicon rod into the air.

[0035] It can be understood that when the transporting box is used in cooperation with the moving trolley or the AGV trolley, the gas supply assembly and the negative pressure assembly can be respectively and individually configured on the trolley, that is, one trolley has a set of gas supply assembly and negative pressure assembly. Further, only one set of gas supply assembly and negative pressure assembly can be provided in the whole production workshop, and all the air jet nozzles 5 and the air suction nozzles 6 are connected to the set of gas supply assembly and negative pressure assembly through corresponding pipelines, and the gas pipeline of each transporting box 2 is provided with a separate valve switch for control.

[0036] Further, the upper surface (the surface in contact with the silicon rod) of the drawer plate 4 is provided with the air jet nozzle 5, and the air jet nozzle 5 on the drawer plate 4 blows the bottom of the silicon rod from below, which, in combination with the air jet nozzle 5 provided on the side wall, can more comprehensively blow and clean the silicon rod in the transporting box 2, and the cleaning effect is better.

[0037] In the embodiment depicted in the utility model, it can be understood that the upper surface of the air jet nozzle 5 provided on the drawer plate 4 is flush with or lower than the upper surface of the drawer plate 4.

[0038] Further, the surface of the drawer plate 4 and the inner side wall of the transporting box 2 are both provided with a polyurethane coating, which is used for protecting the silicon rod and preventing the silicon rod from being in contact with metal during the transportation process, so as to prevent metal pollution and affect the product quality.

[0039] Further, the drawer plate 4 is provided with a baffle plate 3 on the side opening towards the transport box 2, the baffle plate 3 is provided with a handle, facilitating the drawer plate 4 to push in and out of the transport box 2, and the surface of the baffle plate 3 is further provided with a polyurethane coating. The baffle plate 3 of the utility model not only can block the silicon rod, preventing it from falling due to shaking during the transport process, but also can block the entrance and exit of the transport box, improving the sealing performance of the transport box, and avoiding the silicon powder dust blown from the surface of the silicon rod into the air.

[0040] In the embodiment described in the utility model, the transport box 2 can be provided with an integral transport box cover at the opening, and one side of the transport box cover is hinged to the transport box 2 through a hinge, and the transport box cover is provided with a handle. Since the box cover is provided, the baffle plate 3 provided on the drawer plate 4 can be cancelled, so that the entire transport box 2 can be closed, avoiding the blowing of dust and impurities into the air.

[0041] In the description of the utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the protection scope of the utility model.

[0042] In the description of the utility model, it should be further pointed out that, unless otherwise explicitly specified and limited, the terms "provision", "installation", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0043] The above is only the preferred embodiment of the utility model, and does not limit the utility model in any form, any simple modification or equivalent change made according to the technical essence of the utility model to the above embodiment falls within the protection scope of the utility model.

Claims

1. A polysilicon silicon rod transfer device, characterized by, The utility model provides a transport case (2), the drawer board (4) of multiple layers horizontal is installed in the transport case (2) in longitudinal row, the inside space of transport case (2) is divided into multiple storage space by drawer board (4), the inside both sides of transport case (2) are symmetrically provided with sliding slot, and drawer board (4) is slidably connected with the sliding slot of both sides, and drawer board (4) goes in and out transport case (2) through the opening of transport case (2) side setting, the left and right side wall of every storage space is provided with air jet nozzle (5) and suction nozzle (6) respectively, air jet nozzle (5) is connected with the gas supply assembly of providing pressure gas through pipeline, and suction nozzle (6) is connected with the negative pressure assembly of providing negative pressure through pipeline.

2. A polysilicon silicon rod transfer device as claimed in claim 1, wherein, The left and right side wall of every storage space is provided with multiple rows of air jet nozzles (5).

3. The polysilicon silicon rod transfer device of claim 1, wherein, The drawer board (4) is provided with multiple air jet nozzles (5).

4. The polysilicon silicon rod transfer device of claim 1, wherein, The surface of the drawer board (4) and the inner side wall of the transport case (2) are provided with polyurethane coating.

5. The polysilicon silicon rod transfer device of claim 1, wherein, The side of the drawer board (4) facing the opening of the transport case (1) is provided with a baffle (3), and the surface of the baffle (3) is provided with polyurethane coating.

6. A polysilicon silicon rod transfer device as defined in claim 1, wherein, The opening of the transport case (2) is provided with a transport case cover.

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