Feeder for GaAs single crystal production

Abstract

The utility model discloses a feeder for GaAs single crystal production, which comprises a bottom frame, side supporting frames are arranged on two sides of the top end of the bottom frame, a top frame is fixed at the top ends of the side supporting frames, limit grooves are arranged on the inner walls of the side supporting frames, a piece placing seat is arranged below the top frame between the side supporting frames, and a material injection cylinder is arranged in the piece placing seat. The two ends of the material injection barrel extend to the outside of the part containing base, a discharging opening is formed in the outer wall of one side of the lower end of the material injection barrel, a feeding box is arranged on the outer wall of the upper end of the material injection barrel, a feeding pipe opening is formed in the outer wall of one side of the feeding box, and a guide plate is arranged between the feeding pipe opening and the lower end of the interior of the feeding box. And a gear box is arranged in the transmission box. According to the feeding device, the feeding effect on GaAs single crystal materials when the feeding device is used is guaranteed, the phenomenon that the materials are scattered and lost in the feeding process of the feeding device is reduced, and the discharging speed when the feeding device is used is increased.

Description

Technical Field

[0001] The utility model relates to the technical field of feeders, in particular to a feeder for GaAs single crystal production. Background Technique

[0002] GaAs single crystal is the basic material for GaAs integrated circuits. It is mainly prepared by the LEC method and has formed an industrial production scale. When processing GaAs single crystal, it is usually necessary to inject GaAs single crystal raw materials into the single crystal furnace, so a corresponding feeder is required for the feeding operation.

[0003] Referring to a feeder for Czochralski single crystal production with the publication number CN219689930U, which includes a feeding head, an expansion tube, and a sleeve. The feeding head includes a circular tube and a frustum cylinder fixedly connected inside the circular tube. The side wall of the circular tube is provided with a first discharge port, and the side wall of the expansion tube is provided with a second discharge port. The expansion tube is arranged inside the sleeve and is slidably connected to its inner wall. The lower side wall of the expansion tube is fixedly connected with a first mounting plate, and the outer diameter of the first mounting plate is the same as the outer diameter of the sleeve. The upper end of the sleeve is fixedly connected with a feed hopper, and the sleeve is fixedly connected with a second mounting plate, and electric push rods are fixedly connected to both sides of the second mounting plate respectively. This feeder has a simple structure and effectively solves the problems in the background technique that the discharge speed cannot be controlled during feeding and the traditional feeder has only one discharge port and is easy to be blocked. According to the above, although this feeder can be well applied, it is usually not convenient for screw extrusion of materials for extrusion feeding, so that the materials are easily attached and retained in the feeding cylinder, thereby affecting its feeding efficiency, which often troubles users. Content of the Utility Model

[0004] The purpose of the utility model is to provide a feeder for GaAs single crystal production, so as to solve the problem proposed in the above background technique that although the feeder can be well applied, it is usually not convenient for screw extrusion of materials for extrusion feeding, so that the materials are easily attached and retained in the feeding cylinder, thereby affecting its feeding efficiency.

[0005] To achieve the above object, the present utility model provides the following technical solution: A feeder for GaAs single crystal production, including a chassis, on both sides of the top of the chassis are provided side support frames, the top of the side support frames is fixed with a top frame, on the inner walls of the side support frames are provided limit grooves, below the top frame between the side support frames is provided a component placement seat, inside the component placement seat is provided a material injection cylinder, both ends of the material injection cylinder extend to the outside of the component placement seat, on one outer wall of the lower end of the material injection cylinder is provided a discharge port, on the outer wall of the upper end of the material injection cylinder is provided a feed box, on one outer wall of the feed box is provided a feeding pipe orifice, between the feeding pipe orifice and the lower end inside the feed box is provided a guide plate, at the top of the material injection cylinder is provided a transmission box, inside the transmission box is provided a gear box, on the outer wall of the feed box away from the feeding pipe orifice is installed a rotary drive member through a bracket, the top of the rotary drive member is connected to one side of the bottom end of the transmission box, inside the material injection cylinder is rotatably installed a spiral roller, the top of the spiral roller is connected to the other side of the bottom end of the transmission box.

[0006] Preferably, at the center position of the top of the top frame is provided a dual-axis motor through a bracket, on both sides of the top of the top frame are provided bearing seats, both ends of the dual-axis motor are provided with rotating shafts, the ends of the rotating shafts away from the dual-axis motor are rotatably connected to the outer walls of the bearing seats. Through the setting of the dual-axis motor, it is convenient to drive the winding and unwinding roller to rotate through the rotating shafts.

[0007] Preferably, on the outer wall of one side of the rotating shaft is fixed a winding and unwinding roller, on both sides of the top of the component placement seat are provided hanging rings, on the outer wall of the winding and unwinding roller is wound a rope, one end of the rope is connected to the top of the hanging ring. Through the setting of the winding and unwinding roller, it is convenient to wind, unwind and roll the rope.

[0008] Preferably, on both sides of the bottom end of the component placement seat are provided positioning plates, on the outer walls of the positioning plates are rotatably installed linkage shafts. Through the setting of the linkage shafts, it is convenient to movably arrange the limit wheels.

[0009] Preferably, at the end of the linkage shaft away from the positioning plate is installed a limit wheel, the limit wheel is slidably connected to the limit groove. Through the setting of the limit wheel and the limit groove, it is convenient to limit the lifting range of the material injection cylinder.

[0010] Preferably, a round tube is bolted to the bottom end of the material injection cylinder, inside the round tube is provided a conical discharge pipe orifice. Through the setting of the conical discharge pipe orifice and the discharge port, the feeding rate of the feeder is improved.

[0011] Compared with the prior art, the beneficial effects of the present utility model are: This feeder for GaAs single crystal production not only ensures the feeding effect on GaAs single crystal materials during the use of the feeder, but also reduces the phenomenon of material spillage and loss during the feeding process of the feeder, and moreover improves the discharge rate during the use of the feeder;

[0012] (1) The gearbox is driven to operate by a rotation driving member, so that the gearbox drives the spiral roller to rotate. When the GaAs single crystal material is injected into the feeding cylinder, the material can be spirally extruded and conveyed downward by the spiral roller, so that the material is conveyed to the lower end inside the feeding cylinder and discharged from the discharge port or the conical discharge pipe opening, thereby reducing the adhesion and retention of the material in the feeding cylinder, and thus ensuring the feeding effect when the feeder is used;

[0013] (2) The winding and unwinding roller is driven to rotate by a double-shaft motor through a rotating shaft, so that the winding and unwinding roller unwinds the rope, so that the component placing seat drives the limiting wheel to slide downward inside the limiting groove through the linkage shaft, so that the component placing seat drives the feeding cylinder to move downward smoothly, so as to insert the lower end of the feeding cylinder into the single crystal furnace container, thereby reducing the phenomenon of material spillage and loss during the feeding process of the feeder;

[0014] (3) By bolt-connecting the round tube to the bottom end of the feeding cylinder and arranging a conical discharge pipe opening inside the round tube, the material inside the feeding cylinder can be guided and discharged from the conical discharge pipe opening, and the material can be discharged from the discharge port, so as to achieve the purpose of discharging through double ports, thereby improving the discharging rate when the feeder is used. Description of the Drawings

[0015] Figure 1 is a front view structural schematic diagram of the present utility model;

[0016] Figure 2 is a sectional view structural schematic diagram of the feeding cylinder of the present utility model;

[0017] Figure 3 is a side view enlarged structural schematic diagram of the limiting wheel of the present utility model;

[0018] Figure 4 is the present utility model Figure 2 The enlarged structural schematic diagram at position A in.

[0019] In the figure: 1, chassis; 2, side support frame; 201, limiting groove; 3, top frame; 4, double-shaft motor; 5, rotating shaft; 6, bearing seat; 7, winding and unwinding roller; 8, rope; 9, lifting ring; 10, component placing seat; 11, positioning plate; 12, linkage shaft; 13, limiting wheel; 14, feeding cylinder; 1401, discharge port; 15, feeding box; 16, feeding pipe opening; 17, transmission box; 18, rotation driving member; 19, gearbox; 20, guide plate; 21, spiral roller; 22, conical discharge pipe opening; 23, round tube. Detailed Embodiment

[0020] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0021] Please refer to Figures 1-4 , an embodiment provided by the present invention: a feeder for GaAs single crystal production, including a chassis 1, side support frames 2 are provided on both sides of the top of the chassis 1, a top frame 3 is fixed to the top of the side support frames 2, and a dual-axis motor 4 is provided through a bracket at the center position of the top of the top frame 3. Bearing seats 6 are provided on both sides of the top of the top frame 3. Rotating shafts 5 are provided at both ends of the dual-axis motor 4. The end of the rotating shaft 5 away from the dual-axis motor 4 is rotatably connected to the outer wall of the bearing seat 6;

[0022] During use, through the setting of the dual-axis motor 4, the winding and unwinding roller 7 is driven to rotate through the rotating shaft 5;

[0023] A winding and unwinding roller 7 is fixed on the outer wall of one side of the rotating shaft 5. Hoisting rings 9 are provided on both sides of the top of the component placing seat 10. A rope 8 is wound around the outer wall of the winding and unwinding roller 7. One end of the rope 8 is connected to the top of the hoisting ring 9;

[0024] During use, through the setting of the winding and unwinding roller 7, the rope 8 is wound and unwound;

[0025] Limiting grooves 201 are provided on the inner walls of the side support frames 2. A component placing seat 10 is provided below the top frame 3 between the side support frames 2. Positioning plates 11 are provided on both sides of the bottom end of the component placing seat 10. Linkage shafts 12 are rotatably installed on the outer walls of the positioning plates 11;

[0026] During use, through the setting of the linkage shaft 12, the limiting wheel 13 is movably arranged;

[0027] A limiting wheel 13 is installed at the end of the linkage shaft 12 away from the positioning plate 11. The limiting wheel 13 is slidably connected to the limiting groove 201;

[0028] During use, through the setting of the limiting wheel 13 and the limiting groove 201, the lifting amplitude of the injection cylinder 14 is limited;

[0029] An injection cylinder 14 is provided inside the component placing seat 10. Both ends of the injection cylinder 14 extend to the outside of the component placing seat 10. A circular tube 23 is bolted to the bottom end of the injection cylinder 14. A conical discharge pipe orifice 22 is provided inside the circular tube 23;

[0030] During use, through the setting of the conical discharge pipe orifice 22 and the discharge port 1401, the feeding rate of the feeder is increased;

[0031] On one side of the outer wall at the lower end of the charging cylinder 14, there is a discharge port 1401. On the outer wall at the upper end of the charging cylinder 14, there is a feed box 15. On the outer wall of one side of the feed box 15, there is a feeding pipe orifice 16. A guiding plate 20 is provided at the lower end inside the feed box 15 and the feeding pipe orifice 16. At the top of the charging cylinder 14, there is a transmission box 17. Inside the transmission box 17, there is a gear box 19. On the outer wall of the feed box 15 away from the feeding pipe orifice 16, a rotary driving member 18 is installed through a bracket. The top of the rotary driving member 18 is connected to one side of the bottom end of the transmission box 17. Inside the charging cylinder 14, a spiral roller 21 is rotatably installed. The top of the spiral roller 21 is connected to the other side of the bottom end of the transmission box 17.

[0032] When the embodiment of the present application is in use, first place the chassis 1 outside the feeding port of the single crystal furnace. Subsequently, inject the GaAs single crystal material into the feeding pipe orifice 16. After being guided by the guiding plate 20, the GaAs single crystal material falls into the charging cylinder 14. Drive the gear box 19 to operate through the rotary driving member 18, so that the gear box 19 drives the spiral roller 21 to rotate. Then the material can be spirally extruded and conveyed downward by the spiral roller 21, so that the material is conveyed to the lower end inside the charging cylinder 14 and discharged from the discharge port 1401 or the conical discharge pipe orifice 22 to achieve the purpose of charging. After that, drive the winding and unwinding roller 7 to rotate through the double-shaft motor 4 via the rotating shaft 5, so that the winding and unwinding roller 7 unwinds the rope 8, enabling the component placing seat 10 to drive the limiting wheel 13 to slide downward inside the limiting groove 201 via the linkage shaft 12. Then the component placing seat 10 can drive the charging cylinder 14 to move downward steadily, and insert the lower end of the charging cylinder 14 into the single crystal furnace container for feeding. If it is necessary to move the charging cylinder 14 upward, just wind the rope 8 by the winding and unwinding roller 7, and the charging cylinder 14 can be moved upward and reset to its original position. Finally, by bolting the round tube 23 to the bottom end of the charging cylinder 14 and arranging the conical discharge pipe orifice 22 inside the round tube 23, the material inside the charging cylinder 14 can be guided and discharged from the conical discharge pipe orifice 22, and the material can also be discharged from the discharge port 1401 to achieve the purpose of double-port discharging, thus completing the use of this feeder.

Claims

1. A feeder for GaAs single crystal production, characterized in that: It includes a chassis (1). On both sides of the top end of the chassis (1), there are side support frames (2). At the top ends of the side support frames (2), a top frame (3) is fixed. On the inner walls of the side support frames (2), there are limiting grooves (201). Below the top frame (3) between the side support frames (2), there is a component placement seat (10). Inside the component placement seat (10), there is a filling cylinder (14). Both ends of the filling cylinder (14) extend to the outside of the component placement seat (10). On one side outer wall of the lower end of the filling cylinder (14), there is a discharge port (1401). On the outer wall of the upper end of the filling cylinder (14), there is a feeding box (15). On one side outer wall of the feeding box (15), there is a feeding pipe opening (16). Between the feeding pipe opening (16) and the lower end inside the feeding box (15), there is a guiding plate (20). At the top end of the filling cylinder (14), there is a transmission box (17). Inside the transmission box (17), there is a gear box (19). On the outer wall of the feeding box (15) away from the feeding pipe opening (16), a rotary driving part (18) is installed through a bracket. The top end of the rotary driving part (18) is connected to one side of the bottom end of the transmission box (17). Inside the filling cylinder (14), a spiral roller (21) is rotatably installed. The top end of the spiral roller (21) is connected to the other side of the bottom end of the transmission box (17).

2. The feeder for GaAs single crystal production according to claim 1, characterized in that: At the central position of the top end of the top frame (3), a double-shaft motor (4) is provided through a bracket. On both sides of the top end of the top frame (3), there are bearing seats (6). At both ends of the double-shaft motor (4), there are rotating shafts (5). The ends of the rotating shafts (5) away from the double-shaft motor (4) are rotatably connected to the outer walls of the bearing seats (6).

3. The feeder for GaAs single crystal production according to claim 2, characterized in that: On the outer wall of one side of the rotating shaft (5), a winding and unwinding roller (7) is fixed. On both sides of the top end of the component placement seat (10), there are lifting rings (9). A rope (8) is wound around the outer wall of the winding and unwinding roller (7). One end of the rope (8) is connected to the top of the lifting ring (9).

4. The feeder for GaAs single crystal production according to claim 1, characterized in that: On both sides of the bottom end of the component placement seat (10), there are positioning plates (11). On the outer walls of the positioning plates (11), linkage shafts (12) are rotatably installed.

5. A feeder for GaAs single crystal production according to claim 4, characterized in that: The ends of the linkage shafts (12) away from the positioning plates (11) are provided with limiting wheels (13). The limiting wheels (13) are slidably connected to the limiting grooves (201).

6. The feeder for producing GaAs single crystal according to claim 1, wherein: The bottom end of the filling cylinder (14) is bolted with a round pipe (23). Inside the round pipe (23), there is a conical discharge pipe opening (22).

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