CN218711043U

CN218711043U - Large-diameter tellurium-zinc-cadmium crystal growth furnace

Info

Publication number: CN218711043U
Application number: CN202222980218.0U
Authority: CN
Inventors: 罗应强; 阿凤雄; 胡德升
Original assignee: Yunnan Quankong Electromechanical Co ltd
Current assignee: Yunnan Quankong Electromechanical Co ltd
Priority date: 2022-11-09
Filing date: 2022-11-09
Publication date: 2023-03-24
Anticipated expiration: 2032-11-09

Abstract

The embodiment of the utility model provides a pair of major diameter tellurium zinc cadmium crystal growth stove relates to growth stove technical field. The utility model provides a major diameter tellurium zinc cadmium crystal growth furnace, include, the front of rack is provided with the heating furnace, and be provided with the heating pipe in the inside of heating furnace, the inside of its heating pipe is provided with the push rod, the lower extreme of push rod is provided with the expansion pipe, the inside of expansion pipe is provided with the rotation axis, the below of rotation axis is provided with the screw axis, and the perpendicular relative crucible that is provided with in expansion pipe below, be connected with the connecting rod between crucible upper end and the expansion pipe lower extreme, the end opening part of expansion pipe is provided with the bottom plate, and the bottom plate is both sides open-ended charge door, can melt the back at the inside material of crucible through expansion pipe and screw axis, feed in raw material.

Description

Large-diameter tellurium-zinc-cadmium crystal growth furnace

Technical Field

The utility model relates to a growth furnace technical field especially relates to a major diameter tellurium zinc cadmium crystal growth furnace.

Background

The major diameter tellurium-zinc-cadmium crystal mainly comprises a Czochralski method and a zone melting method, wherein a CZ single crystal growth process is adopted in the preparation process of the Czochralski method, and a single crystal silicon growth furnace is required in equipment for preparing single crystal silicon by the CZ single crystal growth process. The monocrystalline silicon growth furnace comprises a crucible. When in preparation, the crucible is firstly placed in a thermal field, then the crucible is fully filled with raw materials, and then the CZ single crystal production steps of evacuation, melting, seeding, shouldering, equal diameter and the like are directly carried out on the melted raw materials in the crucible.

In the prior art, the quartz tube is composed of a cylindrical sleeve with two open ends and a conical quartz body for closing the lower end opening. The conical quartz body is fixed with a connecting rod, the connecting rod extends to the upper part of the sleeve through the inner part of the sleeve, and the solid raw material in the crucible also gradually falls down along with the continuous melting of the silicon raw material, thereby influencing the production efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a major diameter tellurium zinc cadmium crystal growth furnace can melt the back at the inside material of crucible through expanding tube and screw axis, feeds in raw material into.

The utility model provides a major diameter tellurium zinc cadmium crystal growth furnace, including the rack:

the front of the cabinet is provided with a heating furnace, a heating pipe is arranged in the heating furnace, a push rod is arranged in the heating pipe, an expansion pipe is arranged at the lower end of the push rod, a rotating shaft is arranged in the expansion pipe, a spiral shaft is arranged below the rotating shaft, and crucibles are vertically and oppositely arranged below the expansion pipe.

Furthermore, a connecting rod is connected between the upper end of the crucible and the lower end of the expansion pipe, a bottom plate is arranged at the opening of the tail end of the expansion pipe, and the bottom plate is a charging opening with openings at two sides.

Furthermore, the top of the push rod penetrates downwards into the expansion pipe and is provided with a rotating hole, and one end of the spiral shaft penetrates through the rotating hole.

Further, a motor is arranged at the upper end of the spiral shaft.

Furthermore, a rotating bin is arranged on the surface of the bottom plate on the side wall of the charging opening, a rotating plate is arranged in the rotating bin, and a baffle is fixedly arranged at the end part of the rotating plate.

Furthermore, the upper end of the baffle plate is downwards provided with a telescopic groove, a triangular plate capable of telescopic displacement is arranged in the telescopic groove, and a spring is arranged between the bottom surface of the triangular plate and the bottom surface of an inner cavity of the telescopic groove.

Further, the height of the baffle is flush with the top of the bottom plate.

Furthermore, the two sides of the front surface of the cabinet are respectively provided with a guide rod, and one pair of guide rods are arranged in parallel and opposite to each other in a cylindrical manner.

Furthermore, the upper end and the lower end of the heating furnace are respectively provided with a guide plate penetrated by a guide rod.

Furthermore, the upper end and the lower end of the heating pipe are respectively provided with a connecting seat.

The embodiment of the utility model provides a pair of major diameter tellurium zinc cadmium crystal growth furnace, material inside the crucible is in heating, when needing to feed in raw material, be located the inside screw axis of expansion this moment and rotate, along with the screw axis rotates the back, its inside material of expansion can pass through the screw axis unloading, the material carries out the unloading through the charge door afterwards, make the material can unload to the crucible inside, make it can feed in raw material when the material melts, and can place the unloading through the screw axis and appear blockking up, place in the heating tube when inside at the crucible, its rotor plate is initial to be located the charge door opening part, can carry out the separation to the inside material of expansion through the rotor plate, along with the inside reinforced time that needs of crucible, the motor operates this moment, along with the motor operation back, the screw axis of its motor output can begin to carry the material, terminal driving lever rotates and stirs the set-square simultaneously, the set-square promotes the rotor plate and can rotate afterwards, make the charge door open, and then make things convenient for reinforced of material, and in the reinforced back is informed to the material, driving lever antiport, can reversely push the set-square, make the rotor plate can close to the charge door.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic view of the overall structure of the embodiment of the present invention.

Fig. 2 is a schematic diagram of the overall explosion structure of the embodiment of the present invention.

Fig. 3 is a schematic view of a front plan structure of a heating pipe according to an embodiment of the present invention.

Fig. 4 is a schematic view of a bottom view of a push rod according to an embodiment of the present invention.

Fig. 5 isbase:Sub>A schematic structural view of the embodiment of the present invention taken along thebase:Sub>A-base:Sub>A section.

Fig. 6 is an enlarged schematic structural diagram of a point a in fig. 5 according to an embodiment of the present invention;

fig. 7 is a schematic view of a screw shaft structure according to an embodiment of the present invention.

Icon: 1-a cabinet; 2-a guide rod; 3, heating the furnace; 4-a guide plate; 5-heating the tube; 6-a connecting seat; 7-a push rod; 71-a sealing member; 72-rotating the hole; 73-an expansion tube; 74-a base plate; 741-a rotary cartridge; 742-rotating plate; 743-baffle; 744-telescopic slot; 745-a spring; 746-set square; 75-a feed inlet; 8-a rotating shaft; 81-motor; 82-a helical axis; 83-a deflector rod; 9-a crucible; 91-connecting rod.

Detailed Description

Because when the board distance of placing to placing the dough is adjusted, need adjust one by one according to the in service behavior, it is comparatively hard and time consuming to adjust when the board is more placed to the dough, and inconvenient regulation in unison. Therefore, the inventor provides a large-diameter tellurium-zinc-cadmium crystal growth furnace through research, when the fermentation cabinet body is used for assisting the cake dough fermentation, the dough can be placed in a fermentation box in the fermentation cabinet body, then the fermentation box is placed on the inner side of a support frame, the height and the distance of the support frame can be adjusted according to the estimated dough fermentation size, the moving distances of adjacent support frames are the same, the adjustment is not needed to be carried out one by one, the adjustment is convenient, and therefore the defects are overcome.

Some embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.

Please refer to fig. 1 to 4, the embodiment of the present invention provides a large-diameter te-zn-cd crystal growth furnace, which comprises a cabinet 1, wherein the cabinet 1 is made of a structure with a certain stability, and the bottom surface of the cabinet 1 extends to one side to be protruded, and simultaneously, guide rods 2 are respectively arranged on two sides of the front surface of the cabinet 1, one of the guide rods is arranged in parallel to the guide rods 2, so as to guide the heating furnace 3 on the front surface of the cabinet 1 in a lifting manner, and guide plates 4 penetrated by the guide rods 2 are respectively arranged on the upper and lower end portions of the heating furnace 3, so that the heating furnace 3 can perform limit movement on the heating furnace 3 through the guide plates 4 and the guide rods 2 after the lifting movement, and when the heating furnace 3 is lifted and moved, the stepped heating can be realized. One end of the heating furnace 3 in this embodiment is a hinged combined structure, so that the heating furnace can be rotatably opened and closed.

In the above-mentioned heating furnace 3, the heating furnace 3 is hinged to open and close the combination, so that the heating pipe 5 at the center inside the heating furnace 3 can be heated, and the heating pipe 5 is provided with a hollow structure with openings at the upper and lower ends, so that the crucible 9 inside the heating pipe 5 is heated by the heating furnace 3 after being placed. Meanwhile, the upper end and the lower end of the heating pipe 5 are respectively provided with a connecting seat 6, and the connecting seats 6 can provide supporting and limiting for the heating pipe 5. And the placing of crucible 9 and taking out through push rod 7 pulling displacement that its top is connected, push rod 7 forms the structure of difference for the upper end and lower extreme diameter simultaneously and makes, and its concrete structure is that the terminal expanding tube 73 that extends the expansion setting of push rod 7 outwards, and the bottom of expanding tube 73 upwards is the cavity form, and expanding tube 73 and crucible 9 be coaxial relative setting, makes crucible 9 inside in the heating, when needing to carry out the secondary reinforced, can feed in raw material through expanding tube 73. Meanwhile, the displacement of the crucible 9 is achieved by the connecting rod 91 connected between the upper end of the crucible 9 and the lower end of the expanding tube 73, so that when the material crystal needs to be grown, the crucible 9 can be placed inside the heating tube 5, and then heated by the heating furnace 3.

Referring to fig. 2, 4 and 7, a rotation hole 72 is formed in the top of the push rod 7 extending downward into the expansion tube 73, a rotation shaft 8 capable of rotating inside the rotation hole 72 is provided inside the rotation hole 72, the rotation shaft 8 can rotate inside the rotation hole through the space inside the rotation hole 72, a motor 81 is provided at the top end of the rotation shaft 8 coaxially with the rotation shaft 8, and the rotation of the rotation shaft 8 can be driven to rotate by the motor 81. And a screw shaft 82 is provided at an end of the rotating shaft 8 positioned inside the extension pipe 73, and the inside of the extension pipe 73 can be filled with the material for charging the crucible 9, and after the screw shaft 82 is rotated, the screw shaft 82 can discharge the material into the crucible 9.

Meanwhile, a bottom plate 74 is arranged at the opening at the tail end of the expansion pipe 73, the bottom plate 74 is a feeding port 75 with openings at two sides, when materials in the crucible 9 need to be fed in heating, the screw shaft 82 in the expansion pipe 73 rotates at the moment, the materials in the expansion pipe 73 can be fed through the screw shaft 82 after the screw shaft 82 rotates, then the materials are fed through the feeding port 75, the materials can be fed into the crucible 9, the materials can be fed while being dissolved, and the feeding can be placed through the screw shaft 82 to cause blockage.

Referring to fig. 4 to 7, a rotation chamber 741 is formed on a surface of the bottom plate 74 located on a side wall of the feeding opening 75, a rotation plate 742 capable of rotating is disposed inside the rotation chamber 741, a baffle 743 is fixed at an end of the rotation plate 742, the rotation plate 742 can be blocked by the baffle 743, an expansion slot 744 is formed downward at an upper end of the baffle 743, a triangular plate 746 capable of expanding and contracting and moving inside is disposed inside the expansion slot 744, and a spring 745 is disposed between a bottom surface of the triangular plate 746 and a bottom surface of an inner cavity of the expansion slot 744. The tail end of the spiral shaft 82 extends towards two sides to be provided with the deflector rod 83, when the crucible 9 is placed inside the heating pipe 5, the rotating plate 742 is initially positioned at the opening of the feeding port 75, materials inside the expansion pipe 73 can be separated through the rotating plate 742, when the crucible 9 needs to be fed, the motor 81 runs at the moment, after the motor 81 runs, the spiral shaft 82 at the output end of the motor 81 can start to convey the materials, meanwhile, the deflector rod 83 at the tail end of the spiral shaft 82 rotates to toggle the triangular plate 746, then the triangular plate 746 pushes the rotating plate 742 to rotate, the feeding port 75 can be opened, feeding of the materials is facilitated, and after the materials are notified to be fed, the deflector rod 83 rotates reversely, the triangular plate 746 can be pushed reversely, and the rotating plate 742 can be closed to the feeding port 75.

To sum up, the utility model discloses a major diameter tellurium zinc cadmium crystal growth furnace, material inside crucible 9 is in the heating, when needing to feed in raw material, the screw axis 82 that lies in the inside of expansion pipe 73 this moment rotates, after screw axis 82 rotates, the material of its expansion pipe 73 inside can be through screw axis 82 unloading, the material carries out the unloading through charge door 75 afterwards, make the material can unload to crucible 9 inside, make it can feed in raw material when the material melts, and can place the unloading through screw axis 82 and appear blockking up, when crucible 9 is placed inside heating pipe 5, its rotor plate 742 is originally located charge door 75 opening part, can separate the material of expansion pipe 73 inside through rotor plate 742, when needing to feed in raw material along with crucible 9 inside, motor 81 operates this moment, after motor 81 operates, the screw axis 82 of its motor 81 output can begin to carry the material, simultaneously, terminal driving lever 83 of 82 rotates and stirs set square 746, set square promotes the rotor plate 742 and can rotate, make charge door 75 can open, and then make things convenient for the material, and after the material rotates, can inform set square 746, screw axis 742, can reverse drive pole 746 can make the reverse drive pole 746, screw axis 746 can make the reverse drive pole 746.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A large-diameter cadmium zinc telluride crystal growth furnace comprises a machine cabinet (1) and is characterized by comprising:

the heating furnace (3) is arranged on the front face of the cabinet (1), the heating pipe (5) is arranged inside the heating furnace (3), the push rod (7) is arranged inside the heating pipe (5), the expansion pipe (73) is arranged at the lower end of the push rod (7), the rotating shaft (8) is arranged inside the expansion pipe (73), the screw shaft (82) is arranged below the rotating shaft (8), and the crucibles (9) are vertically and oppositely arranged below the expansion pipe (73).

2. The large-diameter tellurium-zinc-cadmium crystal growth furnace as claimed in claim 1, wherein a connecting rod (91) is connected between the upper end of the crucible (9) and the lower end of the expansion pipe (73), a bottom plate (74) is arranged at the opening of the tail end of the expansion pipe (73), and the bottom plate (74) is a charging opening (75) with two open sides.

3. The large-diameter tellurium-zinc-cadmium crystal growth furnace according to claim 2, characterized in that the top of the push rod (7) is penetrated downwards to the inside of the expanding tube (73) and is provided with a rotating hole (72), and one end of the screw shaft (82) is penetrated through the rotating hole (72).

4. The large-diameter CdZnTe crystal growth furnace according to claim 3, characterized in that the upper end of the screw shaft (82) is provided with a motor (81).

5. The crystal growth furnace of tellurium-zinc-cadmium as claimed in claim 4, wherein the surface of the bottom plate (74) of the side wall of the charging opening (75) is opened with a rotary bin (741), and a rotary plate (742) is disposed inside the rotary bin (741), and a baffle (743) is fixedly disposed at the end of the rotary plate (742).

6. The large-diameter tellurium-zinc-cadmium crystal growth furnace as claimed in claim 5, wherein the upper end of the baffle (743) is opened with a telescopic slot (744) downwards, a triangular plate (746) capable of telescopic displacement is arranged in the telescopic slot (744), and a spring (745) is arranged between the bottom surface of the triangular plate (746) and the bottom surface of the inner cavity of the telescopic slot (744).

7. The large-diameter CdZnTe crystal growth furnace according to claim 6, wherein the height of the baffle plate (743) is flush with the top of the bottom plate (74).

8. The large-diameter tellurium-zinc-cadmium crystal growth furnace as claimed in claim 1, wherein, the two sides of the front surface of the cabinet (1) are respectively provided with a guide rod (2), and a pair of the guide rods (2) are arranged in parallel and opposite to each other in a cylindrical manner.

9. The large-diameter CdZnTe crystal growth furnace according to claim 8, characterized in that the upper and lower end portions of the heating furnace (3) are respectively provided with a guide plate (4) penetrated by the guide rod (2).

10. The large-diameter tellurium-zinc-cadmium crystal growth furnace according to claim 9, characterized in that the upper and lower end portions of the heating tube (5) are respectively provided with a connecting seat (6).