CN209941146U

CN209941146U - Heat preservation structure of sapphire single crystal furnace

Info

Publication number: CN209941146U
Application number: CN201920405246.5U
Authority: CN
Inventors: 赵万方; 陈兴友; 陈占阳; 朱宇; 张慧霞; 张军; 朱梅生
Original assignee: XI'AN GEMEI METAL MATERIAL CO Ltd
Current assignee: XI'AN GEMEI METAL MATERIAL CO Ltd
Priority date: 2019-03-28
Filing date: 2019-03-28
Publication date: 2020-01-14
Anticipated expiration: 2029-03-28

Abstract

The utility model discloses a heat preservation structure of a sapphire single crystal furnace, which comprises a top cover, wherein the bottom end of the top cover is provided with an extrusion plate, one side of the extrusion plate is evenly clamped with a tungsten rod, the utility model has scientific and reasonable structure and safe and convenient use, the tungsten rod, a first half copper ring and a second half copper ring are conveniently and quickly installed and disassembled by utilizing the top cover, the extrusion plate, a screw rod and a nut, the temperature range of the structure is conveniently and effectively distributed, thereby quickly improving the temperature inside the structure, improving the efficiency, further reducing the heating cost, being convenient and practical, the heat radiation of most heating elements is conveniently blocked by utilizing a protective cover, a heat preservation screen board and a protective film, the heat shield is effectively protected due to low temperature of the heat shield, the hole screen and the hole are recycled, and the heat shield can absorb 95 percent of deformation stress when being heated, therefore, the piece can maintain the shape of the piece for a long time, and is durable and does not deform.

Description

Heat preservation structure of sapphire single crystal furnace

Technical Field

The utility model relates to a sapphire single crystal growing furnace technical field specifically is a heat preservation structure of sapphire single crystal growing furnace.

Background

The heat shield is an important heat preservation structure of the sapphire single crystal furnace, the heat shield mainly has the functions of ensuring the temperature uniformity of a hearth thermal field and improving the heat energy utilization rate, the heat shield is generally divided into a side heat shield and an upper heat shield and a lower heat shield, and the heat field temperature for the growth of the sapphire single crystal exceeds 2000 ℃, so that the heat shield has higher requirements on the heat resistance and the strength of the heat shield in the use environment;

at present, the upper heat shield and the lower heat shield have higher heat resistance and thermal stability, but the upper heat shield and the lower heat shield generally do not undergo any deformation-preventing treatment process, and the upper heat shield and the lower heat shield deform due to the conditions of self expansion and contraction, non-uniform internal stress and the like, so that the temperature field is not uniform, the service life of the upper heat shield and the lower heat shield is greatly shortened, the manufacturing cost is improved invisibly, the development and progress of sapphire single crystal furnace equipment in China are also restricted, secondly, the traditional installation structure for the upper heat shield and the lower heat shield is complex, the installation is not stable enough, the upper heat shield and the lower heat shield are easy to drop and the use is influenced, and in sum, the heat-insulating structure of the sapphire single crystal furnace is urgently needed to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a heat preservation structure of sapphire single crystal growing furnace, can effectively solve the present that proposes in the above-mentioned background art, it has higher heat resistance and thermal stability to heat shield from top to bottom, but the heat shield all has not passed through any deformation treatment process of preapring for an unfavorable turn of events about general, and because heat shield self expend with heat and contract with cold and the uneven waiting condition of internal stress from top to bottom, lead to the heat shield to take place to warp about leading to, thereby it is inhomogeneous to make the temperature field, the life of heat shield from top to bottom has been shortened greatly, improved the cost of manufacture in the intangible, the development and the progress of china's sapphire single crystal growing furnace equipment are also being restricted, secondly, the traditional mounting structure to heat shield from top to bottom that adopts is more complicated, lead to when the heat shield installation is more difficult, the installation is stable inadequately, easily lead to.

In order to achieve the above object, the utility model provides a following technical scheme: a heat preservation structure of a sapphire single crystal furnace comprises a top cover, wherein an extrusion plate is arranged at the bottom end of the top cover, a tungsten rod is uniformly clamped on one side of the extrusion plate, fixing pieces are arranged on the outer side of the tungsten rod at equal distances, screw rods are uniformly arranged at the top end of the top cover, nuts are sleeved at the top ends of the screw rods, and the top cover is fixedly connected with the extrusion plate through the screw rods and the nuts;

the tungsten rod bottom is installed the installation component, the installation component includes bottom plate, mounting hole and draw-in groove, the bottom plate has been cup jointed to tungsten rod bottom outside, the mounting hole has all been seted up to bottom plate top limit portion, the draw-in groove has been seted up on the bottom plate top, first half copper ring is installed in bottom plate top one side embedding, half copper ring of second is installed in bottom plate top opposite side embedding, the through-hole has evenly been seted up on first half copper ring and the half copper ring top of second.

Preferably, the heat preservation subassembly has been cup jointed to the tungsten pole outside, the heat preservation subassembly includes guard shield, heat screen, heat preservation screen panel, hole screen, hole and protecting film, the inside joint of draw-in groove has the guard shield, the guard shield inboard bonds and has the heat screen, the inside heat preservation screen panel that has cup jointed of heat screen, the inboard porous screen of installing of heat preservation screen panel, the hole has evenly been seted up on a side surface of hole screen, the hole screen inboard bonds and has the protecting film.

Preferably, the outer surface of the top cover is coated with an antirust coating.

Preferably, the shape of the clamping groove is circular, and the diameter of the clamping groove is larger than that of the protective cover.

Preferably, the number of the mounting holes is the same as that of the tungsten rods, and the bottom ends of the tungsten rods penetrate through the first half copper ring and the second half copper ring.

Preferably, the protective film is made of a PE structure.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of being scientific and reasonable in structure, convenience safe in utilization:

1. be provided with tungsten pole, top cap and stripper plate, utilize the effect of top cap, stripper plate, screw rod and nut, be convenient for install and dismantle the tungsten pole, convenient and fast recycles the effect of tungsten pole, stationary blade, half first copper ring and half second copper ring, the temperature range of this structure of effective distribution of being convenient for to quick improvement its inside temperature, when having improved efficiency, and then reduced the heating cost, convenient and practical.

2. Be provided with the heat preservation subassembly, utilize the guard shield, the effect of heat preservation screen board and protecting film, be convenient for block the heat radiation of most heat-generating body, make the heat shield temperature not high and effectual protected the heat shield, secondly the heat reflection of this result is less than the heat reflection of heat shield far away makes the heat-generating body life-span extension greatly, recycle hole screen and hole's effect, it is when being heated to be convenient for self, self can absorb 95% deformation stress, so self shape can be lastingly maintained to this piece, durable indeformable.

3. Be provided with the installation component, utilize the effect of mounting hole, bottom plate and draw-in groove, be convenient for support the installation to this structure, the mounting structure to upper and lower heat screen of avoiding traditional adoption is complicated, when leading to the heat screen installation more difficult, the installation is stable inadequately, easily leads to the heat screen to take place to drop from top to bottom, influences the use.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the installation structure of the tungsten rod of the present invention;

FIG. 3 is a schematic view of the mounting structure of the mounting assembly of the present invention;

FIG. 4 is a schematic view of the installation structure of the heat preservation assembly of the present invention;

reference numbers in the figures: 1. a top cover; 2. a pressing plate; 3. a tungsten rod; 4. a fixing sheet; 5. a screw; 6. a nut; 7. mounting the component; 701. a base plate; 702. mounting holes; 703. a card slot; 8. a first semi-copper ring; 9. a second semi-copper ring; 10. a through hole; 11. a heat preservation assembly; 1101. a shield; 1102. a heat shield; 1103. a heat-insulating screen board; 1104. a hole screen; 1105. a hole; 1106. and (4) a protective film.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in fig. 1-4, the utility model provides a technical scheme, a heat preservation structure of sapphire single crystal growing furnace, including top cap 1, scribble anti-rust paint through 1 outside surfaces of top cap, be convenient for carry out anti-rust protection to

top cap

1, 1 bottom of top cap is provided with stripper plate 2, the even joint in 2 one sides of stripper plate has tungsten pole 3, stationary blade 4 is installed to the impartial distance in the 3 outsides of tungsten pole, screw rod 5 is evenly installed on 1 top of top cap, nut 6 has been cup jointed on 5 tops of screw rod, through screw rod 5 and nut 6 fixed connection between top cap 1 and the stripper plate 2.

The bottom end of the tungsten rod 3 is provided with a mounting assembly 7, the mounting assembly 7 comprises a bottom plate 701, mounting holes 702 and clamping grooves 703, the bottom plate 701 is sleeved outside the bottom end of the tungsten rod 3, the top end edge part of the bottom plate 701 is provided with the mounting holes 702, the number of the mounting holes 702 is the same as that of the tungsten rod 3, the bottom end of the tungsten rod 3 penetrates through the inside of the first semi-copper ring 8 and the second semi-copper ring 9, so that the bottom end of the tungsten rod 3 is sleeved inside the mounting holes 702, the clamping grooves 703 are arranged at the top end of the bottom plate 701, the first semi-copper ring 8 is embedded and mounted on one side of the top end of the bottom plate 701, the second semi-copper ring 9 is embedded and mounted on the other side of the top end of the bottom plate 701, through holes 10 are uniformly arranged at the top ends of the first semi-copper ring 8 and the second semi-copper ring 9, the heat insulation assembly 11 is sleeved outside the tungsten, shield 1101 inboard bonds has heat screen 1102, heat screen 1102 inside has cup jointed heat preservation screen board 1103, be convenient for block the heat radiation of most heat-generating body, make heat screen 1102 not high effectual protection heat screen 1102 of heat screen 1102 temperature, heat preservation screen board 1103 inboard installation is porose and has shielded 1104, hole 1105 has evenly been seted up to hole shield 1104 side surface, hole shield 1104 inboard bonds has protective film 1106, protective film 1106's material is the PE structure, the shape through draw-in groove 703 is circular, and the diameter of draw-in groove 703 is greater than the diameter of shield 1101, be convenient for block shield 1101 inside draw-in groove 703.

The utility model discloses a theory of operation and use flow: firstly, the top cover 1 and the extrusion plate 2 are installed through the screw rod 5 and the nut 6, the installation is convenient and rapid, the first half copper ring 8 and the second half copper ring 9 are sleeved outside the bottom end of the tungsten rod 3, the bottom end of the tungsten rod 3 is clamped in the installation hole 702 formed in the top end of the bottom plate 701, and then the shield 1101 is clamped in the clamping groove 703, so that the installation process is completed, the structure is conveniently supported and installed, and the problem that the upper heat shield 1102 and the lower heat shield 1102 are difficult to install due to the fact that the installation structure is complex in the traditional method is solved, the installation is not stable enough, the upper heat shield 1102 and the lower heat shield 1102 are prone to falling, and the use is affected is;

secondly, when the device is normally used, the temperature range of the structure can be effectively distributed by using the tungsten rod 3, the fixing piece 4, the first semi-copper ring 8 and the second semi-copper ring 9 in a matched mode, so that the temperature inside the structure is quickly improved, the efficiency is improved, the heating cost is further reduced, and the device is convenient and practical;

last be provided with heat preservation subassembly 11, the heat is through the inside heat preservation screen board 1103 of guard shield 1101, it can block the heat radiation of most heat-generating body, make heat shield 1102 not high effectual protection heat shield 1102 of heat shield 1102 temperature, secondly the heat reflection of this result is less than heat shield 1102's heat reflection far away makes the heat-generating body life-span lengthen greatly, recycle the effect of the hole 1105 of seting up in hole screen 1104 one side, be convenient for its self when being heated, self can absorb 95% deformation stress, so this piece can maintain self shape lastingly, durable is indeformable.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. 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. The utility model provides a heat preservation structure of sapphire single crystal growing furnace, includes top cap (1), its characterized in that: the bottom end of the top cover (1) is provided with an extrusion plate (2), one side of the extrusion plate (2) is uniformly clamped with a tungsten rod (3), fixing pieces (4) are arranged on the outer side of the tungsten rod (3) at equal distances, screw rods (5) are uniformly arranged at the top end of the top cover (1), nuts (6) are sleeved at the top ends of the screw rods (5), and the top cover (1) is fixedly connected with the extrusion plate (2) through the screw rods (5) and the nuts (6);

installation component (7) are installed to tungsten pole (3) bottom, installation component (7) include bottom plate (701), mounting hole (702) and draw-in groove (703), bottom plate (701) have been cup jointed to tungsten pole (3) bottom outside, mounting hole (702) have evenly been seted up to bottom plate (701) top limit portion, draw-in groove (703) have been seted up on bottom plate (701) top, half first copper ring (8) are installed in bottom plate (701) top one side embedding, half second copper ring (9) are installed in bottom plate (701) top opposite side embedding, through-hole (10) have evenly been seted up on half first copper ring (8) and half second copper ring (9) top.

2. The heat preservation structure of the sapphire single crystal furnace as claimed in claim 1, wherein: tungsten pole (3) outside has cup jointed heat preservation subassembly (11), heat preservation subassembly (11) include guard shield (1101), heat screen (1102), heat preservation screen board (1103), hole screen (1104), hole (1105) and protecting film (1106), the inside joint of draw-in groove (703) has guard shield (1101), guard shield (1101) inboard bonds, heat preservation screen board (1103) have been cup jointed to heat screen (1102) inside, the downthehole porose screen (1104) of installing of heat preservation screen board (1103), hole (1105) have evenly been seted up to hole screen (1104) side surface, hole screen (1104) inboard bonds and has protecting film (1106).

3. The heat preservation structure of the sapphire single crystal furnace as claimed in claim 1, wherein: and the outer side surface of the top cover (1) is coated with antirust paint.

4. The heat preservation structure of the sapphire single crystal furnace as claimed in claim 2, wherein: the clamping groove (703) is circular in shape, and the diameter of the clamping groove (703) is larger than that of the shield (1101).

5. The heat preservation structure of the sapphire single crystal furnace as claimed in claim 1, wherein: the number of the mounting holes (702) is the same as that of the tungsten rods (3), and the bottom ends of the tungsten rods (3) penetrate through the interiors of the first half copper ring (8) and the second half copper ring (9).

6. The heat preservation structure of the sapphire single crystal furnace as claimed in claim 2, wherein: the protective film (1106) is made of a PE structure.