CN211199472U - Novel silicon single crystal furnace cavity welding structure - Google Patents
Novel silicon single crystal furnace cavity welding structure Download PDFInfo
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- CN211199472U CN211199472U CN201922207140.7U CN201922207140U CN211199472U CN 211199472 U CN211199472 U CN 211199472U CN 201922207140 U CN201922207140 U CN 201922207140U CN 211199472 U CN211199472 U CN 211199472U
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Abstract
The utility model discloses a novel silicon single crystal furnace cavity welded structure, including main furnace body and interior wall body, main furnace body upper end welded fastening has the upper flange, and main furnace body lower extreme welded fastening has the lower flange, interior wall body sets up in main furnace body inboard, and the inside embedding of main furnace body is provided with the sealing washer, the sealing washer is provided with the reservation recess, and reserves the recess opposite side and be provided with the water inlet, main furnace body one side has been seted up and has been reserved the fluting. This novel silicon single crystal growing furnace cavity welded structure, the wide 12mm of processing on the flange back down, dark 20 mm's reservation fluting, first is for leading to the cooling water cooling flange, second the ion arc can not pierce through during the welding, the position processing mm boss of wall plate is higher than the flange back in the welding, whole welding seam just is higher than the flange back like this, be favorable to welding protective gas protection, remove the spot and the grease of weld zone completely, the welding seam position is not divided into grooves, add no filler metal (welding wire) during the welding, direct molten metal base metal.
Description
Technical Field
The utility model relates to a single crystal silicon furnace cavity welded structure technical field specifically is a novel silicon single crystal furnace cavity welded structure.
Background
The monocrystalline silicon growing furnace is a crystal pulling device for producing monocrystalline silicon required by a solar cell and mainly comprises six parts, namely an auxiliary chamber, a plate turning box, a furnace cover, a main furnace chamber, a lower furnace chamber and a furnace bottom plate; along with the continuous increase of monocrystalline silicon solar cell demand, market competition is also fierce day by day, improves the production efficiency of monocrystalline silicon stove equipment and reduces manufacturing cost and more receives attention, the utility model discloses a can improve the main furnace chamber production efficiency in the monocrystalline silicon stove greatly.
Monocrystalline silicon furnace cavity welded structure on market, the welding part need process welding groove, increase manufacturing procedure, the processing cost increases, welding thick plate groove is great, need the multiple welding just can weld full groove, the process needs the wire, welding efficiency is low, the heat affected zone is big, welding back flange deformation is great, need the plastic after the welding, the finish machining surplus who stays also needs to be more than plasma arc welding, the back needs back chipping treatment, rewelding, increase welding procedure, and weld the uncontrollable problem of welding seam quality after back chipping, for this reason, we propose a novel silicon single crystal furnace cavity welded structure.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel silicon single crystal stove cavity welded structure, with the single crystal silicon stove cavity welded structure who proposes in solving above-mentioned background art, the welding part need process welding groove, increase manufacturing procedure, the processing cost increases, the welding thick plate groove is great, it could weld full groove to need the multiple welding, the process needs the wire, welding efficiency is low, the heat affected zone is big, the flange deformation is great after the welding, need the plastic after the welding, the finish machining surplus who stays also needs to be more than plasma arc welding, the back needs back chipping to be handled, rewelding, increase welding procedure, and the uncontrollable problem of welding seam quality after back chipping.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel silicon single crystal furnace cavity welded structure, includes main furnace body and interior wall body, main furnace body upper end welded fastening has the upper flange, and main furnace body lower extreme welded fastening has the lower flange, interior wall body sets up in main furnace body inboard, and the inside embedding of main furnace body is provided with the sealing washer, the sealing washer is provided with the reservation recess, and reserves the recess opposite side and be provided with the water inlet, the reservation fluting has been seted up to main furnace body one side.
Preferably, the upper flange forms a fixed structure through the main furnace body and the lower flange, and the upper flange and the lower flange are in a symmetrical structure about the longitudinal center line of the main furnace body.
Preferably, the outer side of the sealing ring is tightly attached to the inner side of the main furnace body, and the transverse center line of the main furnace body is completely overlapped with the transverse center line of the main furnace body.
Preferably, the longitudinal center line of the reserved groove and the longitudinal center line of the lower flange are superposed on the same straight line, and the sealing ring and the main furnace body form a clamping structure through the reserved groove.
Preferably, the aperture of the reserved slot is 12mm wide and 20mm deep, and the reserved slot is in a symmetrical structure relative to the longitudinal center line of the main furnace body.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model discloses an upper flange and lower flange adopt automatic plasma arc welding with interior wall welding, need not to process the groove, and the back does not add the liner, and the back fills argon protection, and the single face welds the whole thickness that once can weld through the metal, shortens weld time, has improved welding efficiency.
2. The utility model discloses the last flange at both ends is equipped with the reservation recess that is less than the flange face with lower flange about the main furnace body for the cooling water circulation flows, and the cooling is deepened the inside position of going up flange and lower flange, and the protection sealing washer can not appear revealing vacuum phenomenon because high temperature melts, improves this single crystal furnace chamber welded structure's stability.
3. The utility model discloses processing wide 12mm on the flange back down, dark 20 mm's reservation fluting, first is in order to lead to the cooling water cooling flange, second the ion arc can not pierce through during the welding, the position processing mm boss of wallboard is higher than the flange back in the welding, whole welding seam just is higher than the flange back like this, be favorable to welding protective gas protection, remove the spot and the grease in weld zone, the welding seam position does not open the groove, add filler metal (welding wire) during the welding, direct molten metal base metal, get rid of the oxidation color after the welding is accomplished.
Drawings
FIG. 1 is a front view of the semi-sectional structure of the present invention;
FIG. 2 is a rear view of the utility model;
fig. 3 is an enlarged schematic view of a portion a in fig. 2 according to the present invention.
In the figure: 1. a main furnace body; 2. an upper flange; 3. a lower flange; 4. an inner wall; 5. a seal ring; 6. reserving a groove; 7. a water inlet; 8. and reserving a slot.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a novel silicon single crystal furnace chamber welding structure comprises a main furnace body 1, an upper flange 2, a lower flange 3, an inner wall body 4, a sealing ring 5, a reserved groove 6, a water inlet 7 and a reserved groove 8, wherein the upper flange 2 is fixedly welded at the upper end of the main furnace body 1, the upper flange 2 forms a fixed structure through the main furnace body 1 and the lower flange 3, the upper flange 2 and the lower flange 3 are in a symmetrical structure relative to the longitudinal central line of the main furnace body 1, the upper flange 2, the lower flange 3 and the inner wall body 4 are welded by automatic plasma arc welding without processing a groove, no liner is arranged on the back, the back is filled with argon gas for protection, the whole thickness of metal can be welded through by one-time single-side welding, the welding time is shortened, the welding efficiency is improved, the lower flange 3 is fixedly welded at the lower end of the main furnace body 1, the inner wall body 4 is arranged on the inner side of the main furnace body 1, the sealing ring 5 is embedded in, the horizontal central line of the main furnace body 1 is completely coincided with the horizontal central line of the main furnace body 1, the upper flange 2 and the lower flange 3 at the upper end and the lower end of the main furnace body 1 are provided with reserved grooves 6 which are lower than the flange surfaces and are used for cooling water to flow circularly and cool the inner positions of the upper flange 2 and the lower flange 3 deeply, so that the sealing ring 5 is protected from vacuum leakage caused by high-temperature melting, the stability of the welding structure of the chamber of the single crystal furnace is improved, the sealing ring 5 is provided with the reserved grooves 6, the other side of the reserved grooves 6 is provided with a water inlet 7, the vertical central line of the reserved grooves 6 and the vertical central line of the lower flange 3 are coincided on the same straight line, the sealing ring 5 and the main furnace body 1 form a clamping structure through the reserved grooves 6, one side of the main furnace body 1 is provided with reserved grooves 8, the calibers of the reserved grooves 8, the method is characterized in that a reserved groove 8 with the width of 12mm and the depth of 20mm is machined in the back of a lower flange 3, firstly, the flange is cooled for cooling through cooling water, secondly, an ion arc cannot penetrate during welding, a boss with the thickness of 5mm is machined at the position of a welding inner wall plate and is higher than the back of the flange, so that the whole welding line is higher than the back of the flange, the protection of welding protective gas is facilitated, dirt and grease of a welding area are removed, the position of the welding line is not divided into grooves, filling metal (welding wires) are not added during welding, metal base materials are directly molten, and oxidation.
The working principle is as follows: for the novel welding structure of the silicon single crystal furnace chamber, firstly, an upper flange 2, a lower flange 3 and an inner wall body 4 are welded by adopting automatic plasma arc welding, a groove does not need to be processed, a liner is not added on the back surface, argon is filled into the back surface for protection, the integral thickness of metal can be completely welded by single-side welding, the welding time is shortened, the welding efficiency is improved, a reserved groove 6 lower than the flange surface is arranged on the upper flange 2 and the lower flange 3 at the upper end and the lower end of a main furnace body 1 for cooling water to circularly flow, the cooling water is guided into the reserved groove 6 through a water inlet 7 and is cooled to deeply penetrate into the inner positions of the upper flange 2 and the lower flange 3, a sealing ring 5 is protected from high-temperature melting, the vacuum leakage phenomenon is avoided, the stability of the welding structure of the single crystal furnace chamber is improved, a reserved groove 8 with the width of 12mm and the, and secondly, the ion arc cannot penetrate during welding, a boss with the length of 5mm is machined at the position of the inner welding wall plate and is higher than the back surface of the flange, so that the integral welding line is higher than the back surface of the flange, the protection of welding protective gas is facilitated, stains and grease in a welding area are removed, no groove is formed in the position of the welding line, no filler metal (welding wire) is added during welding, the metal base metal is directly molten, and the oxidation color is removed after the welding is finished, so that the using process of the whole novel silicon single crystal furnace cavity welding structure is finished.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a novel silicon single crystal growing furnace cavity welded structure, includes main furnace body (1) and interior wall body (4), its characterized in that: the upper end of the main furnace body (1) is welded and fixed with an upper flange (2), the lower end of the main furnace body (1) is welded and fixed with a lower flange (3), the inner wall body (4) is arranged on the inner side of the main furnace body (1), a sealing ring (5) is embedded inside the main furnace body (1), the sealing ring (5) is provided with a reserved groove (6), the other side of the reserved groove (6) is provided with a water inlet (7), and a reserved groove (8) is formed in one side of the main furnace body (1).
2. The novel chamber welding structure of the silicon single crystal furnace as claimed in claim 1, wherein: the upper flange (2) and the lower flange (3) form a fixed structure through the main furnace body (1), and the upper flange (2) and the lower flange (3) are in a symmetrical structure about the longitudinal center line of the main furnace body (1).
3. The novel chamber welding structure of the silicon single crystal furnace as claimed in claim 1, wherein: the outer side of the sealing ring (5) is tightly attached to the inner side of the main furnace body (1), and the transverse center line of the main furnace body (1) is completely overlapped with the transverse center line of the main furnace body (1).
4. The novel chamber welding structure of the silicon single crystal furnace as claimed in claim 1, wherein: the longitudinal center line of the reserved groove (6) and the longitudinal center line of the lower flange (3) are superposed on the same straight line, and the sealing ring (5) and the main furnace body (1) form a clamping structure through the reserved groove (6).
5. The novel chamber welding structure of the silicon single crystal furnace as claimed in claim 1, wherein: the caliber of the reserved slot (8) is 12mm wide and 20mm deep, and the reserved slot (8) is in a symmetrical structure relative to the longitudinal center line of the main furnace body (1).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922207140.7U CN211199472U (en) | 2019-12-11 | 2019-12-11 | Novel silicon single crystal furnace cavity welding structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922207140.7U CN211199472U (en) | 2019-12-11 | 2019-12-11 | Novel silicon single crystal furnace cavity welding structure |
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| CN211199472U true CN211199472U (en) | 2020-08-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113427165A (en) * | 2021-08-03 | 2021-09-24 | 湖南红太东方机电装备股份有限公司 | Large-diameter furnace body and water injection pressurization processing method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113427165A (en) * | 2021-08-03 | 2021-09-24 | 湖南红太东方机电装备股份有限公司 | Large-diameter furnace body and water injection pressurization processing method thereof |
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Address after: 314000 workshop 4, 333 Chuangye Road, Xindai Town, Pinghu City, Jiaxing City, Zhejiang Province Patentee after: Zhejiang Dehong Electromechanical Technology Co.,Ltd. Address before: 314000 workshop 4, 333 Chuangye Road, Xindai Town, Pinghu City, Jiaxing City, Zhejiang Province Patentee before: Zhejiang Dehong Electromechanical Technology Co.,Ltd. |