CN218841944U

CN218841944U - Pressurization type polycrystalline silicon quartz crucible mold

Info

Publication number: CN218841944U
Application number: CN202223415566.XU
Authority: CN
Inventors: 刘海花; 邓云; 张洪嘉
Original assignee: Yangzhou Jiahui New Energy Co ltd
Current assignee: Yangzhou Jiahui New Energy Co ltd
Priority date: 2022-12-20
Filing date: 2022-12-20
Publication date: 2023-04-11
Anticipated expiration: 2032-12-20

Abstract

The utility model discloses a pressurization formula polycrystalline silicon quartz crucible mould, including crucible mould body, the outside fixed mounting of crucible mould body has the water-cooling circulation cover, the first backup pad of bottom fixedly connected with of water-cooling circulation cover, the bottom fixedly connected with of first backup pad promotes the piece, promote the bottom fixedly connected with expanding spring of piece, expanding spring's outside fixedly connected with mounting groove, the spout has been seted up to the both sides of mounting groove. The utility model discloses a bottom fixed mounting at the water-cooling circulative sleeve has first backup pad, at the bottom fixedly connected with mounting groove of first backup pad, and the bottom fixed mounting who promotes the piece has the piece that promotes, promotes the both ends fixedly connected with sliding block of piece, and the sliding block passes the both ends of mounting groove and slides on the mounting groove, and the internally mounted of mounting groove has expanding spring, cushions the crucible mould, alleviates the pressure that the mould received at work, increases the life of mould.

Description

Pressurization type polycrystalline silicon quartz crucible mold

Technical Field

The utility model relates to a crucible mold technical field specifically is a pressurization formula polycrystalline silicon quartz crucible mould.

Background

Polycrystalline silicon is a form of elemental silicon. When molten elemental silicon is solidified under undercooling conditions, silicon atoms are arranged in the form of a diamond lattice into a plurality of crystal nuclei, and if the crystal nuclei grow into crystal grains with different crystal plane orientations, the crystal grains are combined and crystallized into polycrystalline silicon.

The quartz crucible can be used below 1650 ℃, and is divided into transparent and opaque parts. The translucent quartz crucible by arc process is used for drawing large diameter monocrystalline silicon, and is essential basic material for developing large scale integrated circuit. It has the advantages of high purity, strong temperature resistance, large size, high precision, good heat preservation, energy conservation, stable quality and the like.

The existing polycrystalline silicon quartz crucible mold can generate large pressure during working, the crucible mold is influenced, the pressure of the crucible mold is increased along with the long-term use of the crucible mold, and the service life of the crucible mold is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pressurization formula polycrystalline silicon quartz crucible mould to solve the current polycrystalline silicon quartz crucible mould that proposes in the above-mentioned background art, can produce great pressure carrying out the during operation, exert an influence to the crucible mould, along with the long-term use of crucible mould, the pressure that the crucible mould received increases, and the life of crucible mould produces the influence.

In order to achieve the above object, the utility model provides a following technical scheme: a pressurized polysilicon quartz crucible mold comprises a crucible mold body, wherein a water-cooling circulating sleeve is fixedly mounted on the outer side of the crucible mold body, the bottom end of the water-cooling circulating sleeve is fixedly connected with a first supporting plate, the bottom end of the first supporting plate is fixedly connected with a pushing block, the bottom end of the pushing block is fixedly connected with an expansion spring, the outer side of the expansion spring is fixedly connected with a mounting groove, and sliding grooves are formed in two sides of the mounting groove;

the crucible mold comprises a crucible mold body and is characterized in that a mold flange is highly connected to the top end of the crucible mold body, a water jacket flange is fixedly connected to the outer side of the mold flange, a mounting block is fixedly connected to the top end of the water jacket flange, a fixing block is fixedly connected to the top end of the mounting block, a connecting rod is fixedly connected to one end of the fixing block, and a handle is fixedly connected to the top end of the connecting rod.

Preferably, the connection part of the mold flange and the water jacket flange is fixedly connected with a fixing buckle, the fixing buckle is fixedly arranged around the water jacket flange, the mold flange and the water jacket flange are arranged for protection, and the positions of the mold flange and the water jacket flange are fixedly buckled, so that the internal gas cannot be leaked, and the success rate of casting molds is increased.

Preferably, the connecting rod is fixed to be interspersed in the inside of fixed block, the both ends fixedly connected with stopper of connecting rod, the junction fixedly connected with fixing bolt of stopper and fixed block, fixed link's position keeps fixed.

Preferably, a cooling cavity is formed at the joint of the crucible mold body and the water jacket flange, and water is injected into the cooling cavity to rapidly cool the mold.

Preferably, the bottom fixedly connected with evacuation pipe of spout, evacuation pipe is fixed to be interlude has first backup pad and second backup pad, plays the supporting role.

Preferably, both ends fixedly connected with sliding block of promotion piece, the one end of sliding block slides in the spout, and the spout plays limiting displacement.

Preferably, the outer side of the crucible mold body is provided with a plurality of through holes, and air is pumped out during casting, so that the purpose of pumping out air between the fused quartz sand is achieved, and the success rate of casting is increased.

Compared with the prior art, the beneficial effects of the utility model are that:

1. according to the pressurized polysilicon quartz crucible mold, a first supporting plate is fixedly arranged at the bottom end of a water-cooling circulating sleeve, a mounting groove is fixedly connected to the bottom end of the first supporting plate, a pushing block is fixedly arranged at the bottom end of the pushing block, sliding blocks are fixedly connected to two ends of the pushing block, the sliding blocks penetrate through two ends of the mounting groove and slide on the mounting groove, a telescopic spring is arranged in the mounting groove, the crucible mold is buffered, the pressure on the mold during working is reduced, and the service life of the mold is prolonged;

2. according to the pressurized polycrystalline silicon quartz crucible mold, the water-cooling circulation sleeve is fixedly arranged at the outer end of the crucible mold body, the water jacket flange is fixedly arranged at the top ends of the crucible mold body and the water-cooling circulation sleeve, the fixing buckle is fixedly connected to the top end of the water jacket flange, and the crucible mold body is rapidly cooled through the water-cooling circulation sleeve, so that the mold is rapidly cooled after casting is completed, the mold is conveniently taken out, and the working efficiency is increased;

3. this kind of pressurization formula polycrystalline silicon quartz crucible mould, through the top fixedly connected with fixed block at the water jacket flange, the one end fixedly connected with connecting rod of fixed block, the top fixedly connected with handle of connecting rod grips the handle through the arm, makes things convenient for the crucible after the casting mould is accomplished to take out, protects the staff, reduces the staff and receives the injury, has increased the security.

Drawings

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

fig. 2 is a schematic top view of the present invention;

FIG. 3 is an enlarged schematic view of the water-cooling circulation jacket of the present invention;

fig. 4 is a schematic structural view of a portion a in fig. 1 according to the present invention;

fig. 5 is a schematic view of the connecting rod structure of the present invention.

In the figure: 1. a crucible mold body; 2. a mold flange; 3. a limiting block; 4. a fixed block; 5. a cooling chamber; 6. a handle; 7. a connecting rod; 8. a water jacket flange; 9. water-cooling circulation sleeve; 10. a first connecting rod; 11, evacuating a pipe; 12. a fixing buckle; 13. mounting blocks; 14. a second connecting rod; 15. a slider; 16. a tension spring; 17. mounting grooves; 18. a pushing block; 19. a chute.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides an embodiment: referring to fig. 1, fig. 3 and fig. 4, a pressurized polysilicon quartz crucible mold, which comprises a crucible mold body 1, a water-cooling circulation sleeve 9 is fixedly mounted on the outer side of the crucible mold body 1, heat is stored during casting, the crucible mold body 1 is protected, a first bottom fixedly connected support plate 10 of the water-cooling circulation sleeve 9, a push block 18 is fixedly connected to the bottom of the first support plate 10, a telescopic spring 16 is fixedly connected to the bottom of the push block 18, a mounting groove 17 is fixedly connected to the outer side of the telescopic spring 16, sliding grooves 19 are formed in the two sides of the mounting groove 17, the mold is supported, buffering is performed during casting, sliding blocks 15 are fixedly connected to the two ends of the push block 18, one end of each sliding block 15 slides in the sliding groove 19, the sliding groove 19 plays a limiting role, a vacuumizing pipe 11 is fixedly connected to the bottom of the sliding groove 19, and a first support plate 10 and a second support plate 14 are fixedly inserted in the vacuumizing pipe 11 to play a supporting role.

Refer to fig. 1 and 5, water jacket flange 8's top fixedly connected with installation piece 13, the top fixedly connected with fixed block 4 of installation piece 13, the one end fixedly connected with connecting rod 7 of fixed block 4, the top fixedly connected with handle 6 of connecting rod 7, make things convenient for the mould to take out after the casting is accomplished, reduce the use of manpower, improve staff's security, connecting rod 7 is fixed to be interspersed in the inside of fixed block 4, the both ends fixedly connected with stopper 3 of connecting rod 7, the junction fixedly connected with fixing bolt of stopper 3 and fixed block 4, the position of fixed connection rod 7, keep fixed, make things convenient for taking out of mould.

Referring to fig. 1 and 5, a mold flange 2 is highly connected to the top end of a crucible mold body 1, a water jacket flange 8 is fixedly connected to the outer side of the mold flange 2, fixing buckles 12 are fixedly connected to the joints of the mold flange 2 and the water jacket flange 8, the fixing buckles 12 are fixedly installed around the water jacket flange 8, the mold flange 2 and the water jacket flange 8 are installed for protection, the fixing buckles 12 fix the positions of the mold flange 2 and the water jacket flange 8, so that internal gas cannot be leaked, the success rate of casting is increased, a cooling cavity 5 is formed in the joints of the crucible mold body 1 and the water jacket flange 8, water is injected into the cooling cavity 5, the mold is rapidly cooled, a plurality of through holes are formed in the outer side of the crucible mold body 1, air is extracted during casting, the purpose of extracting air between molten quartz sand is achieved, and the success rate of casting is increased.

The working principle is as follows: when the pressurized polysilicon quartz crucible mold is used, a water-cooling circulating sleeve 9 is fixedly arranged on the outer side of a crucible mold body 1, a mold flange 2 is fixedly connected to the top end of the crucible mold body 1, a water jacket flange 8 is fixedly connected to the top end of the water-cooling circulating sleeve 9, a fixing buckle 12 is fixedly connected to the top ends of the water jacket flange 8 and the water-cooling circulating sleeve 9, a cooling cavity 5 is formed between the water-cooling circulating sleeve 9 and the water jacket flange 8, a plurality of through holes are formed in the crucible mold body 1, air in the cooling cavity 5 is pumped out through an evacuation pipe 11 during casting, the through holes are communicated with a negative pressure cavity between the crucible mold body 1 and the water-cooling circulating sleeve 9, so that the purpose of pumping out air between molten quartz sand is achieved, the crucible is in a relatively transparent state, a first support plate 10 is fixedly connected to the bottom end of the water-cooling circulating sleeve 9, a bottom end of the first support plate 10 is highly connected with a mounting groove 17, an expansion spring 16 is fixedly arranged in the mounting groove 17, a top end of the expansion spring 16 is fixedly connected with a pushing block 18, sliding blocks 19 are formed at two ends of the expansion spring 16, two ends of the sliding block 15 are fixedly connected with sliding blocks 15, the sliding block 15 slides in the sliding groove 19 when the sliding block for buffering the pressure of the crucible mold, and the service life of the mold is prolonged;

afterwards, through the both ends fixed mounting at water jacket flange 8 there is installation piece 13, the top of installation piece 13 highly is connected with fixed block 4, and the inside interlude of both ends fixed block 4 has connecting rod 7, and the top fixedly connected with handle 6 of connecting rod 7 makes things convenient for the crucible mould to take out after the mould is accomplished, protects the staff, and the temperature that produces when reducing the mould burns the staff.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a pressurization formula polycrystalline silicon quartz crucible mould, includes crucible mould body (1), its characterized in that: a water-cooling circulation sleeve (9) is fixedly installed on the outer side of the crucible mold body (1), a first supporting plate (10) is fixedly connected to the bottom end of the water-cooling circulation sleeve (9), a pushing block (18) is fixedly connected to the bottom end of the first supporting plate (10), an expansion spring (16) is fixedly connected to the bottom end of the pushing block (18), an installation groove (17) is fixedly connected to the outer side of the expansion spring (16), and sliding grooves (19) are formed in two sides of the installation groove (17);

the crucible mold comprises a crucible mold body (1), and is characterized in that a mold flange (2) is highly connected to the top end of the crucible mold body (1), a water jacket flange (8) is fixedly connected to the outer side of the mold flange (2), a mounting block (13) is fixedly connected to the top end of the water jacket flange (8), a fixing block (4) is fixedly connected to the top end of the mounting block (13), a connecting rod (7) is fixedly connected to one end of the fixing block (4), and a handle (6) is fixedly connected to the top end of the connecting rod (7).

2. A pressurized polysilicon quartz crucible mold as set forth in claim 1, wherein: the die is characterized in that fixing buckles (12) are fixedly connected to the connection parts of the die flange (2) and the water jacket flange (8), and the fixing buckles (12) are fixedly arranged on the periphery of the water jacket flange (8).

3. A pressurized polysilicon quartz crucible mold as set forth in claim 1, wherein: the fixed inside of interlude at fixed block (4) of connecting rod (7), the both ends fixedly connected with stopper (3) of connecting rod (7), the junction fixedly connected with fixing bolt of stopper (3) and fixed block (4).

4. A pressurized polysilicon quartz crucible mold as set forth in claim 1, wherein: and a cooling cavity (5) is formed at the joint of the crucible mold body (1) and the water jacket flange (8).

5. A pressurized polysilicon quartz crucible mold as set forth in claim 4, wherein: the bottom end of the sliding groove (19) is fixedly connected with an evacuation pipe (11), and a first supporting plate (10) and a second supporting plate (14) are fixedly inserted into the evacuation pipe (11).

6. A pressurized polysilicon quartz crucible mold as set forth in claim 1, wherein: both ends fixedly connected with sliding block (15) of promotion piece (18), the one end of sliding block (15) slides in spout (19).

7. A pressurized polysilicon quartz crucible mold as set forth in claim 1, wherein: the outer side of the crucible mold body (1) is provided with a plurality of through holes.