Single crystal furnace feeding device for monocrystalline silicon production

Abstract

The utility model discloses a single crystal furnace feeding device for monocrystalline silicon production, which relates to the technical field of monocrystalline silicon production and comprises a support plate, universal wheels are mounted at four corners of the lower surface of the support plate, a fixed seat is connected onto the support plate, a through groove is formed in the side wall of the fixed seat, and a sliding seat is slidably connected into the through groove. A lifting component for adjusting the height of the sliding seat is arranged in the fixed seat, a cross beam is connected to the outer wall of the sliding seat, a U-shaped frame is slidably connected to the side wall of the cross beam, a material storage box is installed on the outer side face of the U-shaped frame, a feeding hopper is arranged on the material storage box in a communicating mode, and a discharging pipe is connected to the bottom of the material storage box in a communicating mode. The lifting component can adjust the height of the sliding seat and the height of the material storage box, the front-back position of the material storage box can be adjusted through front-back sliding of the U-shaped frame on the side wall of the cross beam, a discharging pipe at the bottom of the material storage box can be rapidly aligned with a feeding port of the single crystal furnace, workers do not need to frequently move the whole feeding device to adjust the position, and the feeding efficiency is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to single crystal silicon production technical field, concretely is a single crystal furnace feeding device for single crystal silicon production. BACKGROUND

[0002] Single crystal silicon is a kind of high-purity, with single crystal direction silicon material, transparent or dark gray, is the important cornerstone of semiconductor industry and photovoltaic industry. It is obtained by melting and slowly cooling crystallization of polycrystalline silicon, has excellent conductivity and stability, is the core raw material for manufacturing integrated circuit, solar panel and other products. Single crystal silicon production, need to use single crystal furnace heating, single crystal silicon is put into single crystal furnace, need to use feeding device.

[0003] Such as prior art publication No. CN219752485U proposes a single crystal furnace feeding device, by being provided with storage tank, spiral conveying rod, discharge frame, weighing plate and weighing sensor realizes the function of weighing and feeding of polycrystalline silicon raw material;By setting the adjusting groove, the limiting rod and the adjusting block, the height of polycrystalline silicon raw material feeding is adjusted, the applicability is stronger, and the use is convenient.

[0004] The above prior art is known through actual use, the height of single crystal silicon raw material feeding is adjusted by setting adjusting groove, limiting rod and adjusting block, but the front and rear positions of storage tank are inconvenient to adjust, when the discharge frame on the storage tank and the feeding port position of single crystal furnace exist deviation, need to move the entire feeding device to adjust the position to make it align with the feeding port of single crystal furnace, it is troublesome to operate, and the feeding efficiency is not good, therefore we improve the above prior art according to actual use. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a single crystal furnace feeding device for single crystal silicon production to solve the problems in the above background art.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] A single crystal furnace feeding device for single crystal silicon production, including support plate, the lower surface four corners of support plate are all installed universal wheel, and support plate is connected with fixed seat, the side wall of fixed seat is opened and is provided with the through groove that is vertically distributed, and the sliding seat is slidably connected in the through groove, and the lifting component that adjusts the height of sliding seat is arranged in fixed seat;

[0008] The outer wall of sliding seat is connected with crossbeam, the side wall of crossbeam is slidably connected with U type frame, and the outside of U type frame is installed with storage tank, the storage tank is equipped with the feed hopper that is communicated, the bottom of storage tank is connected with the discharge pipe that is communicated, and the electromagnetic valve is arranged on the discharge pipe.

[0009] Further, the lifting component comprises a speed reducer motor, the speed reducer motor is located at the top of the fixed base, and the output end of the speed reducer motor is connected with a lead screw, the lead screw is threadedly connected with a threaded seat, and the outer wall of the threaded seat is connected with the sliding base.

[0010] Further, the opening end of the U-shaped frame is opposite to the side wall of the cross beam, the top of the U-shaped frame is provided with a stepping motor, the output end of the stepping motor is connected with a driving shaft, the bottom end of the driving shaft is rotationally connected with the inner cavity bottom wall of the U-shaped frame through a bearing, the outer wall of the driving shaft is provided with a gear, the side wall of the cross beam is provided with a plurality of meshing grooves, and each meshing groove is meshingly connected with the gear.

[0011] Further, the top wall of the cross beam is provided with a T-shaped groove, the T-shaped groove is slidably connected with a T-shaped sliding block, the top of the T-shaped sliding block is provided with a linkage rod, and the other end of the linkage rod is connected with the top of the U-shaped frame.

[0012] Further, the outer side of the fixed base is provided with a hand pushing rod, and the hand holding end of the hand pushing rod is provided with an anti-skid rubber sleeve.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The working of the speed reducer motor on the lifting component can drive the rotation of the lead screw, the threaded seat threadedly connected with the lead screw can be adjusted in height after being limited in sliding by the through groove and the sliding base, that is, the height of the storage box can be adjusted, the working of the stepping motor can drive the rotation of the gear on the driving shaft, the gear is meshingly connected with the plurality of meshing grooves, the U-shaped frame is limited in sliding by the linkage rod, the T-shaped sliding block and the T-shaped groove, and the front and back positions of the storage box can be adjusted, the discharge pipe at the bottom of the storage box can be quickly aligned with the feeding port of the single crystal furnace, the staff need not frequently move the whole feeding device to adjust the position, and the feeding efficiency is effectively improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic view of the utility model;

[0016] Figure 2 It is a sectional view of the front connecting structure of the fixed base, the cross beam and the U-shaped frame of the utility model;

[0017] Figure 3 It is a sectional view of the front connecting structure of the fixed base, the cross beam and the U-shaped frame of the utility model; Figure 2 It is an enlarged structural schematic view of position A.

[0018] In the figure: 1, support plate; 2, fixed seat; 3, universal wheel; 4, hand push rod; 5, speed reducer motor; 6, crossbeam; 7, storage box; 8, feed hopper; 9, discharge pipe; 10, screw rod; 11, threaded seat; 12, through slot; 13, sliding seat; 14, U-shaped frame; 15, linkage rod; 16, drive shaft; 17, gear; 18, meshing groove; 19, T-shaped groove; 20, T-shaped slider; 21, stepping motor. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0020] Embodiment 1:

[0021] Please refer to Figures 1-3 The utility model provides a kind of technical scheme: a single crystal furnace feeding device for single crystal silicon production, including support plate 1, the lower surface of support plate 1 four corners is equipped with universal wheel 3, and support plate 1 is connected with fixed seat 2, the side wall of fixed seat 2 is equipped with the through slot 12 of vertical direction distribution, and sliding seat 13 is slidably connected in through slot 12, and fixed seat 2 is equipped with the lifting component of adjusting the height of sliding seat 13;When using, four groups of universal wheel 3 are rolled to move to working position, then brake pedal on universal wheel 3 is pressed, universal wheel 3 is locked, sliding is avoided, and the stability of feeding device use is improved, and the electrical end of each electrical equipment is electrically connected with the electrical end of external power supply and controller by wire, the height of sliding seat 13 can be adjusted by the action of lifting component;

[0022] The outer wall of sliding seat 13 is connected with crossbeam 6, the side wall of crossbeam 6 is slidably connected with U-shaped frame 14, and U-shaped frame 14 is equipped with storage box 7 on the outer side, storage box 7 is equipped with the feed hopper 8 of intercommunication, the bottom of storage box 7 is connected with the discharge pipe 9 of intercommunication, and discharge pipe 9 is equipped with solenoid valve;Sliding seat 13 is fixedly connected with storage box 7 by crossbeam 6, single crystal silicon is poured into storage box 7 by feed hopper 8, after solenoid valve is opened, discharge pipe 9 can be poured into single crystal furnace, the height of storage box 7 can be adjusted by the vertical sliding of sliding seat 13, the front and rear position of fixedly connected storage box 7 can be adjusted by the front and rear sliding connection of U-shaped frame 14 and crossbeam 6, so that discharge pipe 9 at the bottom of storage box 7 can be quickly aligned with the feed inlet of single crystal furnace, without the need for staff to frequently move the entire feeding device to adjust the position, effectively improve the feeding efficiency.

[0023] Preferably, the lifting component includes a reduction motor 5, which is located on the top of the fixed base 2. The output end of the reduction motor 5 is connected to a lead screw 10, and a threaded seat 11 is threadedly connected to the lead screw 10. The outer wall of the threaded seat 11 is connected to the sliding seat 13. The threaded seat 11 and the sliding seat 13 are fixedly connected. The operation of the reduction motor 5 drives the lead screw 10 to rotate. After the threaded seat 11, which is threadedly connected to the lead screw 10, is limited to sliding by the through groove 12, the sliding seat 13 can slide vertically in the through groove 12.

[0024] Preferably, the open end of the U-shaped frame 14 faces the side wall of the crossbeam 6, and a stepper motor 21 is installed on the top of the U-shaped frame 14. The output end of the stepper motor 21 is connected to a drive shaft 16. The bottom end of the drive shaft 16 is rotatably connected to the inner cavity bottom wall of the U-shaped frame 14 through a bearing. A gear 17 is installed on the outer wall of the drive shaft 16. Multiple sets of meshing grooves 18 are opened on the side wall of the crossbeam 6, and each set of meshing grooves 18 is meshed with the gear 17. The operation of the stepper motor 21 can drive the gear 17 on the drive shaft 16 to rotate. Since the gear 17 is meshed with multiple sets of meshing grooves 18, and the U-shaped frame 14 is limited by the sliding of the linkage rod 15, the T-shaped slider 20 and the T-shaped groove 19, the U-shaped frame 14 can slide back and forth on the outer wall of the crossbeam 6, thereby adjusting the front and back position of the storage box 7.

[0025] Preferably, the top wall of the crossbeam 6 is provided with a T-shaped groove 19, and a T-shaped slider 20 is slidably connected in the T-shaped groove 19. A linkage rod 15 is installed on the top of the T-shaped slider 20, and the other end of the linkage rod 15 is connected to the top of the U-shaped frame 14. The two ends of the linkage rod 15 are fixedly connected to the T-shaped slider 20 and the U-shaped frame 14 respectively. After the T-shaped slider 20 and the T-shaped groove 19 are slidably limited, the U-shaped frame 14 will not detach from the side wall of the crossbeam 6 when it moves back and forth.

[0026] Example 2:

[0027] Reference Figure 1 This embodiment differs from the first embodiment in that: a push rod 4 is installed on the outer side of the fixed base 2, and the hand-held end of the push rod 4 is covered with an anti-slip rubber sleeve; the push rod 4, in conjunction with the rolling of four sets of universal wheels 3, facilitates the movement of the feeding device to different positions, and the anti-slip rubber sleeve plays an anti-slip role, preventing the hand from slipping off when holding the push rod 4.

[0028] 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, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A single-crystal furnace feeding device for single-crystal silicon production, comprising a support plate (1), characterized in that: The support plate (1) is equipped with casters (3) at the four corners of its lower surface, and a fixed seat (2) is connected to the support plate (1). The side wall of the fixed seat (2) is provided with through grooves (12) distributed in a vertical direction, and a sliding seat (13) is slidably connected in the through grooves (12). The fixed seat (2) is provided with a lifting component for adjusting the height of the sliding seat (13). The outer wall of the sliding seat (13) is connected to a crossbeam (6), and the side wall of the crossbeam (6) is slidably connected to a U-shaped frame (14). A storage box (7) is installed on the outer side of the U-shaped frame (14). A feed hopper (8) is provided on the storage box (7). A discharge pipe (9) is provided at the bottom of the storage box (7). A solenoid valve is provided on the discharge pipe (9).

2. The single crystal furnace feeding device for single crystal silicon production according to claim 1, characterized in that: The lifting component includes a reduction motor (5), which is located on the top of the fixed base (2). The output end of the reduction motor (5) is connected to a lead screw (10), and a threaded seat (11) is threaded onto the lead screw (10). The outer wall of the threaded seat (11) is connected to the sliding seat (13).

3. The single crystal furnace feeding device for single crystal silicon production according to claim 1, characterized in that: The opening end of the U-shaped frame (14) is directly opposite the side wall of the crossbeam (6), and a stepper motor (21) is installed on the top of the U-shaped frame (14). The output end of the stepper motor (21) is connected to a drive shaft (16), and the bottom end of the drive shaft (16) is rotatably connected to the bottom wall of the inner cavity of the U-shaped frame (14) through a bearing.

4. The single crystal furnace feeding device for single crystal silicon production according to claim 3, characterized in that: The outer wall of the drive shaft (16) is fitted with a gear (17), and the side wall of the crossbeam (6) is provided with multiple sets of meshing grooves (18), and each set of meshing grooves (18) is meshed with the gear (17).

5. The single crystal furnace feeding device for single crystal silicon production according to claim 1, characterized in that: The top wall of the crossbeam (6) is provided with a T-shaped groove (19), and a T-shaped slider (20) is slidably connected in the T-shaped groove (19). A linkage rod (15) is installed on the top of the T-shaped slider (20), and the other end of the linkage rod (15) is connected to the top of the U-shaped frame (14).

6. The single crystal furnace feeding device for single crystal silicon production according to claim 1, characterized in that: A push rod (4) is installed on the outer side of the fixed base (2), and the hand-held end of the push rod (4) is covered with an anti-slip rubber sleeve.

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