CN221275950U - Anti-toppling crucible for horizontal Bridgman crystal growth furnace - Google Patents

Abstract

The utility model relates to the technical field of crucibles, in particular to an anti-toppling crucible for a crystal growing furnace by a horizontal Bridgman method, which comprises a box body, wherein a heating cavity is arranged in the box body, a plurality of driving rollers are arranged in the box body, the boat crucible is placed on a clamping frame and clamped by adjusting the clamping frame, when the clamping frame and a sliding rod are in a connection state, the sliding rod slides in a sliding groove when the bottom of the clamping frame is driven to move by the driving rollers when the driving rollers are started, and the boat crucible moves towards the heating cavity in the box body along with the transmission of the driving rollers and the clamping frame.

Description

Anti-toppling crucible for horizontal Bridgman crystal growth furnace

Technical Field

The utility model relates to the technical field of crucibles, in particular to an anti-toppling crucible for a horizontal Bridgman crystal growth furnace.

Background

The horizontal Bridgman method is a method for preparing large-area shaping lamellar crystals, which comprises the steps of firstly placing raw materials in a boat-shaped crucible, enabling the crucible to horizontally pass through a heating zone in a growth furnace, melting and crystallizing the raw materials, and placing seed crystals in a seed crystal groove at the top of the crucible to induce growth so as to enable crystals with strict orientation to grow.

The crystal growth furnace used by the horizontal Bridgman method in the prior art is internally provided with a transmission component, a boat-shaped crucible containing raw materials is placed at an inlet of the crystal growth furnace, the boat-shaped crucible is moved towards the inside of the equipment through the transmission component, the boat-shaped crucible is moved into a heating cavity and is heated for the raw materials in the boat-shaped crucible, the transmission component can also move the heated boat-shaped crucible out of the equipment, but a driving roller of the transmission component is higher than the bottom surface in the growth furnace, so that the height difference exists, and when the boat-shaped crucible is placed from the inlet of the crystal growth furnace, the transmission component and the bottom surface in the growth furnace incline the boat-shaped crucible, so that the raw materials in the boat-shaped crucible leak out, and the raw materials are wasted.

Disclosure of utility model

The utility model aims to overcome the defects of the prior art, and provides an anti-toppling crucible for a horizontal Bridgman crystal growth furnace, which has a simple and ingenious structure and can avoid the inclination of the crucible, so as to solve the technical problems that the boat-shaped crucible is inclined, raw materials in the boat-shaped crucible leak out and waste of the raw materials is caused by the height difference between the crystal growth furnace, a transmission assembly and the inner bottom surface in the prior art.

The aim of the utility model can be achieved by the following technical scheme: the utility model provides a horizontal Bridgman method crystal growing furnace is with preventing empting crucible, its includes the box, installs the heater on the box, is provided with the heating chamber in the box, and the heating chamber communicates with each other with the heater, install a plurality of driving rollers in the box, the spout has all been seted up to box inner wall both sides, and equal horizontal sliding fit has the slide bar in two spouts, and the slide bar all adjusts the installation with the carriage, and the carriage all cooperates with boat crucible centre gripping, and carriage and driving roller transmission cooperation.

As a further optimization or improvement of the scheme, the box body is provided with a removal box, a pressure sensor is arranged on the inner wall of the removal box, and the chute is communicated with the box body and the removal box.

As further optimization or improvement of this scheme, shift out the case lower extreme and install the telescopic link cylinder, the output fixedly connected with push pedal of telescopic link cylinder, the push pedal is parallel with the bottom surface of shifting out the case.

As a further optimization or improvement of the scheme, the box body is provided with an observation window.

As further optimization or improvement of this scheme, offered the screw hole on the slide bar, the screw is all installed to the screw hole, and the screw all runs through the screw hole and the holder rotation of slide bar and is connected.

The utility model has the beneficial effects that: through placing the boat crucible on the holder to adjust the holder, make it press from both sides tight boat crucible, because holder and slide bar are in connected state, when the driving roller starts, when driving the removal of holder bottom, slide bar be located the spout and slide, and the boat crucible is along with driving roller and holder's transmission and to the interior heating chamber direction removal of box, this scheme has abandoned the direct and driving roller driven mode of boat crucible, has used the boat crucible through the indirect and driving roller transmission contact of holder, make the whole removal process of boat crucible more stable than prior art, avoided making the crucible slope because of the difference in height of driving roller and box bottom surface, thereby cause the phenomenon that the raw materials in the boat crucible leaked.

Drawings

The utility model is further described below with reference to the accompanying drawings.

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a schematic top view of the present utility model.

Fig. 3 is a schematic cross-sectional view of the present utility model.

FIG. 4 is a view showing the cooperation of the boat crucible and the holder of the present utility model.

The drawing is marked as: 1. a case; 2. an observation window; 3. a heater; 4. a boat crucible; 5. a clamping frame; 6. a slide bar; 7. a screw; 8. a chute; 9. a pressure sensor; 10. a telescopic rod cylinder; 11. a push plate; 12. removing the box; 13. a heating chamber; 14. and a driving roller.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, an anti-toppling crucible for a horizontal Bridgman crystal growth furnace comprises a box body 1, wherein a heater 3 is arranged on the box body 1, an observation window 2 is arranged on the box body 1, a heating cavity 13 is arranged in the box body 1 and communicated with the heater 3, a plurality of driving rollers 14 are arranged in the box body 1, sliding grooves 8 are formed in two sides of the inner wall of the box body 1, sliding rods 6 are horizontally and slidably matched in the two sliding grooves 8, the sliding rods 6 are respectively formed by sliding blocks and connecting arms, the sliding rods 6 are adjusted and installed with a clamping frame 5, the clamping frame 5 is in clamping fit with a boat crucible 4, and the clamping frame 5 is in driving fit with the driving rollers 14; the heater 3 is provided to provide heat required for heating the raw material in the heating chamber 13, and the raw material in the boat crucible 4 may be heated by a resistance heating wire or the like arranged on the inner wall of the heating chamber 13; through the observation window 2, a worker can observe the crystallization state of the raw material in the boat crucible 4.

The implementation principle of the utility model is as follows: before the equipment is in a working state, the boat crucible 4 is required to be placed on the clamping frames 5, and the boat crucible 4 is clamped by the two clamping frames 5 through the adjusting screw 7, so that the boat crucible 4 is prevented from being inclined due to the height difference between the driving roller 14 and the bottom surface of the box body 1; when the equipment works, because the connecting arms of the clamping frame 5 and the sliding rod 6 are connected through the screws 7, the sliding chute 8 on the inner wall of the box body 1 is slidably mounted with the sliding block of the sliding rod 6, after the driving roller 14 is started, the driving roller 14 is in transmission fit with the bottom of the clamping frame 5, so that the driving roller 14 drives the clamping frame 5 to move towards the inside of the box body 1, at the moment, the boat crucible 4 clamped by the clamping frame 5 and the clamping frame 5 synchronously move, and meanwhile, the sliding block of the sliding rod 6 is positioned in the sliding chute 8 for sliding guide, when the boat crucible 4 moves to the position of the heating cavity 13, the heater 3 heats raw materials in the boat crucible 4 through a heating element arranged on the inner wall of the heating cavity 13, raw materials in the boat crucible 4 are crystallized, after crystallization, the boat crucible 4 is transported out of the box body 1 through the driving roller 14, and then the work is finished.

Specifically, referring to fig. 3, a removal box 12 is arranged on the box body 1, a pressure sensor 9 is installed on the inner wall of the removal box 12, the chute 8 is communicated with the box body 1 and the removal box 12, a telescopic rod cylinder 10 is installed at the lower end of the removal box 12, the output end of the telescopic rod cylinder 10 is fixedly connected with a push plate 11, and the push plate 11 is parallel to the bottom surface of the removal box 12; it should be noted that the chute 8 is opened through the case 1 and the removal case 12; the pressure sensor 9, the heater 3, the driving roller 14 and other electric components are all connected with an external controller, and the external controller is in the prior art, and the application does not improve the external controller, so that the specific mechanical structure and the circuit system are not disclosed, and the integrity of the scheme of the application is not affected; in actual use, when the driving roller 14 drives the boat crucible 4 to move towards the moving-out box 12, one end of the boat crucible 4 is abutted against and presses the pressure sensor 9 on the inner wall of the moving-out box 12, so that the pressure sensor 9 sends a signal to an external controller, the external controller controls the driving source of the driving roller 14 to be closed, namely, the driving roller 14 stops rotating, at the moment, the clamping state of the boat crucible 4 is relieved through the adjusting screw 7, at the moment, the telescopic rod cylinder 10 is started, the push plate 11 connected with the output end of the telescopic rod cylinder 10 is lifted, the boat crucible 4 is ejected out of the moving-out box 12, the boat crucible 4 is conveniently taken out, the boat crucible 4 is prevented from being toppled down when the boat crucible 4 is moved out of the moving-out box 1 due to the height difference between the driving roller 14 and the inner bottom surface of the box 1, and the push plate 11 is returned to a position parallel to the bottom surface of the moving-out box 12 along with the taking out of the boat crucible 4.

Referring to fig. 4, threaded holes are formed in the slide bar 6, screws 7 are mounted in the threaded holes, the screws 7 penetrate through the threaded holes of the slide bar 6 and are rotationally connected with the clamping frame 5, when in actual use, the screws 7 can be screwed to adjust relative movement between the clamping frames 5, the clamping state of the boat crucible 4 is achieved, when in actual use, the adjusting and mounting of the slide bar 6 and the clamping frame 5 comprises the screws 7, the relative positions of the clamping frames 5 need to be adjusted, and the boat crucible 4 is clamped.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims (5)

1. An anti-toppling crucible for a horizontal Bridgman crystal growing furnace is characterized in that: the novel heating device comprises a box body (1), wherein a heater (3) is arranged on the box body (1), a heating cavity (13) is arranged in the box body (1), the heating cavity (13) is communicated with the heater (3), a plurality of driving rollers (14) are arranged in the box body (1), sliding grooves (8) are formed in two sides of the inner wall of the box body (1), sliding rods (6) are horizontally and slidably matched in the two sliding grooves (8), the sliding rods (6) are all arranged in an adjusting mode with a clamping frame (5), the clamping frame (5) is in clamping fit with a boat crucible (4), and the bottom surface of the clamping frame (5) is flush with the top surface of the driving roller (14) and in transmission contact with the top surface of the driving rollers.

2. The anti-toppling crucible for a horizontal Bridgman crystal growth furnace according to claim 1, wherein: the automatic feeding device is characterized in that a moving-out box (12) is arranged on the box body (1), a pressure sensor (9) is arranged on the inner wall of the moving-out box (12), the pressure sensor (9) is connected with a driving roller (14), and the sliding groove (8) is communicated with the box body (1) and the moving-out box (12).

3. The anti-toppling crucible for a horizontal Bridgman crystal growth furnace according to claim 2, wherein: the telescopic rod cylinder (10) is installed at the lower end of the moving-out box (12), the push plate (11) is connected to the output end of the telescopic rod cylinder (10), and the push plate (11) is parallel to the bottom surface of the moving-out box (12).

4. The anti-toppling crucible for a horizontal Bridgman crystal growth furnace according to claim 1, wherein: an observation window (2) is arranged on the box body (1).

5. The anti-toppling crucible for a horizontal Bridgman crystal growth furnace according to claim 1, wherein: a plurality of threaded holes are formed in the sliding rod (6), screws (7) are arranged in the threaded holes, and the screws (7) penetrate through the threaded holes of the sliding rod (6) and are connected with the clamping frame (5).