CN220977223U - Lifting structure of silicon carbide crystal growth furnace - Google Patents

Abstract

The utility model discloses a silicon carbide crystal growth furnace lifting structure, which comprises a base, wherein a furnace body is arranged above the base, a furnace cover is arranged at the top of the furnace body, a stand column is fixedly arranged on the base and positioned at one side of the furnace body, a cavity is arranged in the stand column, a sliding column is slidably arranged in the cavity, and a connecting frame is arranged at the top of the sliding column.

Description

Lifting structure of silicon carbide crystal growth furnace

Technical Field

The utility model relates to the technical field of crystal growth furnaces, in particular to a silicon carbide crystal growth furnace lifting structure.

Background

The crystal growth furnace is a device for producing silicon carbide single crystals, and high-purity silicon carbide micro powder and seed crystals are respectively placed in a crucible in the crystal growth furnace, and the temperature in the crucible is controlled to produce silicon carbide crystals.

At present, a furnace cover of a crystal growth furnace is lifted upwards in a lifting mode, a sling is easy to fall off or deviate in the lifting process, so that gravity center deviation occurs in the lifting process, the lifting is unstable, and the use is inconvenient.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model provides a silicon carbide crystal growth furnace lifting structure, which solves the problem of unstable lifting in the prior art.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a long brilliant stove hoisting structure of carborundum, includes the base, the base top is equipped with the furnace body, the furnace body top is equipped with the bell, be located furnace body one side department on the base and fixedly be equipped with the stand, be equipped with the cavity in the stand, sliding mounting has the traveller in the cavity, the link is installed at the traveller top, link internal rotation installs a pair of minor axis, a pair of fixed mounting has the roll-over stand between the minor axis, the link outer wall is equipped with first motor, first motor drive end and one side minor axis fixed connection, clamping assembly is installed to roll-over stand one end, be equipped with on the stand with the drive assembly that the traveller is connected.

Preferably, the driving assembly comprises a screw rod which is rotationally arranged at the bottom of the cavity, the sliding column is connected with the screw rod in a screwed mode through a screw hole, a second motor is arranged on the outer wall of the upright column, the driving end of the second motor stretches into the cavity and is fixedly provided with a main gear, and a pinion which is meshed with the main gear is sleeved on the screw rod.

Preferably, the clamping assembly comprises a mounting frame fixedly arranged at one end of the roll-over stand, a shell is arranged on the upper wall of the mounting frame, an electric cylinder is arranged at the top of the shell, the telescopic end of the electric cylinder stretches into the shell and is fixedly provided with a connecting block, two pairs of sliding grooves are formed in the upper wall of the mounting frame, two pairs of sliding blocks are arranged in the sliding grooves, the connecting block is hinged with the sliding blocks through two pairs of connecting rods, and a clamping plate for clamping a furnace cover is arranged on the lower wall of the sliding block.

Preferably, the two pairs of sliding grooves are distributed on the mounting frame in an annular array shape.

Preferably, a guide groove is formed in the inner wall of the cavity, and a guide block matched with the guide groove is arranged on the side wall of the sliding column.

Preferably, the mounting frame is of a disc-shaped structure.

Advantageous effects

The utility model discloses a silicon carbide crystal growth furnace lifting structure, which has the following beneficial effects: this device compact structure drives the connecting block motion through electronic jar, makes two pairs of connecting rods drive two pairs of splint tightly press from both sides the bell all around, and cooperation drive assembly can realize the promotion of bell, compares in traditional hoist and mount's mode, has improved stability greatly, simultaneously, and first motor can drive the roll-over stand and overturn, makes the bell overturn to vertical state by the level, makes the furnace body expose completely to make things convenient for follow-up staff to operate, brought the convenience for people's use.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic view of a partial top cross-sectional structure of the present utility model.

In the figure: 1. a base; 2. a furnace body; 3. a furnace cover; 4. a column; 5. a spool; 6. a connecting frame; 7. a short shaft; 8. a roll-over stand; 9. a first motor; 10. a screw; 11. a second motor; 12. a main gear; 13. a pinion gear; 14. a mounting frame; 15. a housing; 16. an electric cylinder; 17. a connecting block; 18. a chute; 19. a slide block; 20. a connecting rod; 21. a clamping plate; 22. a guide groove; 23. and a guide block.

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. 1-2, the present utility model provides a technical solution: the utility model provides a silicon carbide long crystal furnace hoisting structure, includes base 1, base 1 top is equipped with furnace body 2, the furnace body 2 top is equipped with bell 3, be located furnace body 2 one side department on base 1 and fixedly be equipped with stand 4, be equipped with the cavity in the stand 4, sliding fit has slide 5 in the cavity, link 6 is installed at slide 5 top, link 6 internally mounted has a pair of minor axis 7, a pair of fixed mounting has roll-over stand 8 between the minor axis 7, link 6 outer wall is equipped with first motor 9, first motor 9 drive end and one side short axis 7 fixed connection, clamping assembly is installed to roll-over stand 8 one end, be equipped with on the stand 4 with the drive assembly that slide 5 is connected.

The embodiment is further configured in that the driving assembly comprises a screw 10 rotatably arranged at the bottom of the cavity, the sliding column 5 is screwed with the screw 10 through a screw hole, a second motor 11 is arranged on the outer wall of the upright column 4, the driving end of the second motor 11 extends into the cavity and is fixedly provided with a main gear 12, and a secondary gear 13 meshed with the main gear 12 is sleeved on the screw 10.

The embodiment is further configured in that the clamping assembly comprises a mounting frame 14 fixedly arranged at one end of the roll-over stand 8, a shell 15 is arranged on the upper wall of the mounting frame 14, an electric cylinder 16 is arranged at the top of the shell 15, the telescopic end of the electric cylinder 16 stretches into the shell 15 and is fixedly provided with a connecting block 17, two pairs of sliding grooves 18 are formed in the upper wall of the mounting frame 14, two pairs of sliding blocks 19 are arranged in the sliding grooves 18, the connecting block 17 is hinged to the sliding blocks 19 through two pairs of connecting rods 20, and a clamping plate 21 used for clamping the furnace cover 3 is arranged on the lower wall of the sliding blocks 19.

The present embodiment is further configured such that two pairs of the sliding grooves 18 are disposed on the mounting frame 14 in an annular array.

The embodiment is further configured that the inner wall of the cavity is provided with a guide groove 22, and the side wall of the sliding column 5 is provided with a guide block 23 matched with the guide groove 22.

The present embodiment is further configured such that the mounting frame 14 has a disc-shaped structure.

The components in this case are connected in sequence by a person skilled in the art, and specific connection and operation sequence should be referred to the following working principle, and the detailed connection means are known in the art, and the following working principle and process are mainly described.

Examples: when the furnace cover 3 needs to be lifted, the electric cylinder 16 drives the connecting block 17 to lift, the two pairs of connecting rods 20 hinged to the side walls of the connecting block 17 drive the two pairs of sliding blocks 19 to move inwards in the sliding grooves 18, so that the two pairs of clamping plates 21 clamp the furnace cover 3, the second motor 11 is started to drive the main gear 12 to rotate, the secondary gear 13 meshed with the main gear drives the screw 10 to rotate synchronously, the sliding column 5 screwed on the screw 10 slides upwards along the cavity under the cooperation of the guide groove 22 and the guide block 23, the furnace cover 3 is lifted, and when the mounting frame 14 needs to be overturned, the second motor 11 can be started to drive the short shaft 7 and the overturning frame 8 to rotate, so that the furnace cover is overturned from a horizontal state to a vertical state, different working condition requirements are conveniently met, and the furnace cover lifting device is convenient to use.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The term "comprising" an element defined by the term "comprising" does not exclude the presence of other identical elements in a process, method, article or apparatus that comprises the element.

Although embodiments of the present utility model 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 therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a silicon carbide long crystal furnace lifting structure, includes base (1), base (1) top is equipped with furnace body (2), furnace body (2) top is equipped with bell (3), a serial communication port, be located furnace body (2) one side department fixed be equipped with stand (4) on base (1), be equipped with the cavity in stand (4), slidable mounting has traveller (5) in the cavity, link (6) are installed at traveller (5) top, link (6) internally mounted has a pair of minor axis (7), a pair of fixed mounting has roll-over stand (8) between minor axis (7), link (6) outer wall is equipped with first motor (9), first motor (9) drive end and one side minor axis (7) fixed connection, centre gripping subassembly is installed to roll-over stand (8) one end, be equipped with on stand (4) with the drive assembly that traveller (5) are connected.

2. The silicon carbide crystal growth furnace lifting structure according to claim 1, wherein the driving assembly comprises a screw (10) rotatably arranged at the bottom of the cavity, the sliding column (5) is screwed with the screw (10) through a screw hole, a second motor (11) is arranged on the outer wall of the upright column (4), the driving end of the second motor (11) extends into the cavity and is fixedly provided with a main gear (12), and a secondary gear (13) meshed with the main gear (12) is sleeved on the screw (10).

3. The silicon carbide crystal growth furnace lifting structure according to claim 2, wherein the clamping assembly comprises a mounting frame (14) fixedly arranged at one end of the turnover frame (8), a shell (15) is arranged on the upper wall of the mounting frame (14), an electric cylinder (16) is arranged at the top of the shell (15), the telescopic end of the electric cylinder (16) stretches into the shell (15) and is fixedly provided with a connecting block (17), two pairs of sliding grooves (18) are formed in the upper wall of the mounting frame (14), two pairs of sliding blocks (19) are arranged in the two pairs of sliding grooves (18), the connecting block (17) and the sliding blocks (19) are hinged through two pairs of connecting rods (20), and a clamping plate (21) for clamping the furnace cover (3) is arranged on the lower wall of the sliding block (19).

4. A silicon carbide growth furnace lifting structure according to claim 3, wherein two pairs of said runners (18) are arranged in an annular array on the mounting frame (14).

5. The silicon carbide crystal growth furnace lifting structure according to claim 1, wherein guide grooves (22) are formed in the inner wall of the cavity, and guide blocks (23) matched with the guide grooves (22) are formed in the side walls of the sliding columns (5).

6. A silicon carbide growth furnace lifting structure according to claim 3, wherein the mounting frame (14) is of disc-shaped construction.