CN219083739U - Graphite boat for vacuum furnace - Google Patents
Graphite boat for vacuum furnace Download PDFInfo
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- CN219083739U CN219083739U CN202221739353.XU CN202221739353U CN219083739U CN 219083739 U CN219083739 U CN 219083739U CN 202221739353 U CN202221739353 U CN 202221739353U CN 219083739 U CN219083739 U CN 219083739U
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- boat
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The utility model discloses a graphite boat for a vacuum furnace, which relates to the technical field of graphite boats and comprises a graphite boat body formed by combining graphite boat sheets, boat legs and a graphite rod, wherein a fixing plate is arranged on the upper side of the graphite boat sheets, a clamping ring arranged on the end surface of the bottom of the fixing plate is clamped on the upper side of the graphite rod and is connected with the graphite rod through a connecting piece, the connecting piece is provided with a lower circular connecting piece and an upper circular connecting piece, and the lower circular connecting piece and the upper circular connecting piece are clamped through a clamping piece. Through addding the connecting piece, last ring connection piece and lower ring connection piece of connecting piece carry out fixed in position to the graphite pole, improve stability to go up ring connection piece and lower ring connection piece after to the equipment through addding the holder and strengthen fixedly, thereby can play dual fixed effect, prevent that fixed graphite boat piece and graphite pole from taking place not hard up easily, lead to the graphite boat piece not hard up, drop the condition that takes place the damage even and appear.
Description
Technical Field
The utility model relates to the technical field of graphite boats, in particular to a graphite boat for a vacuum furnace.
Background
The graphite boat is actually a graphite mold, the graphite mold is a carrier, raw materials and parts which need to be positioned or shaped can be placed in the graphite mold together for high-temperature sintering molding, and the graphite boat is a carrier formed by combining an outer boat piece, a secondary outer ceramic ring, a graphite rod, a graphite nut and a ceramic ring.
However, after the existing graphite boat works for a long time, the graphite rod and the graphite nut for fixing the graphite boat sheets are easy to loosen, so that the graphite sheets are loosened and even fall down to be damaged.
In China, the publication number is: CN 213184235U discloses a graphite boat and a graphite boat coating device, which relate to the technical field of solar cells and are used for solving the problem that graphite boat sheets are easy to loosen. The technical scheme comprises M graphite boat sheets and a plurality of insulating fixing pieces for fixing the M graphite boat sheets. Each column of insulating fixing piece is of an integrated structure or a split structure, the insulating fixing piece of the integrated structure comprises one insulating fixing unit, and the insulating fixing piece of the split structure comprises more than two insulating fixing units. Each insulating fixing unit is clamped with the corresponding graphite boat piece through the groove. But only adopts the clamping connection, the universality is poor because the clamping connection is fixed, and a certain pretightening force is not generated, so that the reliability of the connection and the service life of the connected connection are both certain hazards.
Disclosure of Invention
According to the graphite boat for the vacuum furnace, the connecting piece is additionally arranged, the upper circular ring connecting piece and the lower circular ring connecting piece of the connecting piece are used for fixing the position of the graphite rod, so that the stability is improved, and the clamping piece is additionally arranged for reinforcing and fixing the assembled upper circular ring connecting piece and lower circular ring connecting piece, so that a double fixing effect can be achieved, and the graphite boat sheet and the graphite rod are prevented from being easily loosened, and even falling and damage occur.
The technical aim of the utility model is realized by the following technical scheme:
the utility model provides a graphite boat for vacuum furnace, includes the graphite boat body that forms by graphite boat piece, boat foot and graphite pole combination, the graphite boat body comprises a plurality of crisscross graphite boat piece that distributes in proper order, and is adjacent concatenate each other through the graphite pole between the graphite boat piece, graphite boat piece upside is provided with the fixed plate, the bottom terminal surface welding of fixed plate is provided with the snap ring, the snap ring joint is in graphite pole upside to carry out fastening connection through the connecting piece, the connecting piece is located the both ends of graphite pole, the connecting piece is provided with down ring connection piece and goes up ring connection piece, down ring connection piece and last ring connection piece carry out the centre gripping through the holder.
By adopting the technical scheme, the upper circular ring connecting piece and the lower circular ring connecting piece of the connecting piece are used for fixing the position of the graphite rod, so that the stability is improved, the assembled upper circular ring connecting piece and lower circular ring connecting piece are reinforced and fixed by the clamping piece, the double fixing effect can be achieved, the graphite boat piece and the graphite rod are prevented from being easily loosened, the graphite boat piece is enabled to be loosened, and even the graphite boat piece falls down to be damaged.
The utility model is further provided with:
the fixed plate both ends all are provided with the otic placode, the otic placode sets up with the fixed plate integration, and whole undercut setting that becomes, the lateral wall of otic placode and the lateral wall looks butt of the outside graphite boat piece to carry out the position fixing through fastening bolt.
By adopting the technical scheme, the screw rod of the fastening bolt connecting piece is sequentially inserted into the threaded holes of the lug plate and the graphite boat body from outside to inside, and the position of the lug plate and the graphite boat body is fixed through the nuts of the fastening bolt connecting piece.
The utility model is further provided with:
the clamping rings are arranged in multiple groups and are arranged according to the number of actual graphite boat sheets, bayonets are formed in the upper sides of the clamping rings, and the clamping rings are made of insulating elastic element materials.
By adopting the technical scheme, the connection between the clamping ring and the graphite rod is realized by clamping and installing the clamping ring on the upper side of the graphite rod, and meanwhile, the clamping ring is made of an insulating elastic material, so that the ceramic ring is not required to be used for insulation.
The utility model is further provided with:
the locating column of going up the ring connection piece inserts down in the locating hole of ring connection piece, realize the block and connect, lower ring connection piece and last ring connection piece combination form the installation connecting piece to connect fixedly through the fastening screw connecting piece, go up ring connection piece and lower ring connection piece middle part all and be provided with the mounting hole, the internal thread of mounting hole carries out threaded connection with the external screw thread of graphite pole.
By adopting the technical scheme, the graphite rod is fixed in position through the upper circular ring connecting piece and the lower circular ring connecting piece, so that the stability is improved, the assembled upper circular ring connecting piece and lower circular ring connecting piece are reinforced and fixed through the clamping piece, and therefore, the double fixing effect can be achieved, the graphite boat piece and the graphite rod are prevented from being easily loosened, the graphite boat piece is enabled to be loose, and even the graphite boat piece falls down to be damaged.
The utility model is further provided with:
the lug plate is provided with a connecting piece, the connecting piece is provided with a clamping piece, the clamping piece is arranged on the left side and the right side of the installation connecting piece, the clamping piece is formed into an L-shaped plate, the inner wall of the clamping piece is abutted against the top end of the lower circular ring connecting piece, and the position of the clamping piece is fixed through a bolt connecting piece.
By adopting the technical scheme, the clamping piece is used for clamping the upper circular ring connecting piece and the lower circular ring connecting piece.
The utility model is further provided with:
the graphite boat comprises a graphite boat body, and is characterized in that an electrode block formed by combining an upper electrode block and a lower electrode block is arranged on the upper side of the graphite boat body, the upper electrode block is positioned on the upper side of a graphite boat sheet at the most center of one end of the graphite boat body, and the lower electrode block is arranged on the lower side of the upper electrode block.
By adopting the technical scheme, the lengths of the upper electrode block and the lower electrode block are 40-45mm, the lengths of the upper electrode block and the lower electrode block are shortened, and the lengths of the upper electrode block and the lower electrode block are shortened under the condition that the length of the graphite boat body is unchanged, so that the usable space can be provided for the extension of the graphite boat sheet.
The utility model is further provided with: the graphite boat is characterized in that boat legs are arranged on the upper side of the graphite boat body and are arranged on the bottom end face of the graphite boat body, each boat leg is provided with a supporting table for supporting at least one graphite boat piece, the length of each boat leg along the length direction of the graphite boat piece is 60-65mm, when the lengths of the upper electrode block and the lower electrode block are reduced, the length of each boat leg is identical to that of the prior art, so that the boat legs can be matched with the existing boat support and other equipment, and the equipment transformation cost is reduced.
The utility model is further provided with:
a plurality of inserting sheet positions are arranged on the surface of the graphite boat sheet, and a plurality of groups of clamping points are arranged on the outer ring of each inserting sheet position.
In summary, the beneficial technical effects of the utility model are as follows:
through addding the connecting piece, last ring connection piece and lower ring connection piece of connecting piece carry out fixed in position to the graphite pole, improve stability to go up ring connection piece and lower ring connection piece after to the equipment through addding the holder and strengthen fixedly, thereby can play dual fixed effect, prevent that fixed graphite boat piece and graphite pole from taking place not hard up easily, lead to the graphite boat piece not hard up, drop the condition that takes place the damage even and appear.
Drawings
FIG. 1 is a schematic overall construction of an embodiment of the present utility model;
FIG. 2 is an enlarged schematic view of an embodiment of the utility model in the A direction;
FIG. 3 is a partial schematic view of an embodiment of the present utility model;
FIG. 4 is a schematic view of a connector structure according to an embodiment of the present utility model;
FIG. 5 is a schematic view of a boat foot structure according to an embodiment of the present utility model;
fig. 6 is a front view of a connector according to one embodiment of the present utility model.
Reference numerals:
1. graphite boat sheets; 2. a stuck point; 3. the inserting piece position; 4. ear plates; 5. a clasp; 6. a fixing plate; 8. a graphite boat body; 9. A graphite rod; 10. an upper electrode block; 11. a lower electrode block; 12. boat feet; 13. a bayonet; 14. a connecting piece; 141. an upper ring connecting sheet; 142. a clamping member; 143. a lower circular ring connecting sheet; 144. a bolt connection; 145. a mounting hole; 147 fastening screw connection; 15. an electrode block.
Detailed Description
The present utility model will be described more fully hereinafter with reference to the accompanying examples.
Referring to fig. 1-6, a graphite boat for a vacuum furnace comprises a graphite boat body 8 formed by combining graphite boat sheets 1, boat feet 12 and graphite rods 9, wherein the graphite boat body 8 is composed of a plurality of graphite boat sheets 1 which are distributed in a staggered mode in sequence, the adjacent graphite boat sheets 1 are connected in series through the graphite rods 9, a fixing plate 6 is arranged on the upper side of each graphite boat sheet 1, a clamping ring 5 is arranged on the upper side of each graphite rod 9 in a welded mode on the bottom end face of each fixing plate 6, the clamping ring 5 is clamped on the upper side of each graphite rod 9, the connecting pieces 14 are connected in a fastening mode, the connecting pieces 14 are located at two ends of each graphite rod 9, and a lower circular ring connecting piece 143 and an upper circular ring connecting piece 141 are arranged on the connecting pieces, and clamped by clamping pieces 142.
As shown in fig. 3, this embodiment provides a graphite boat for a vacuum furnace, the two ends of the fixing plate 6 are provided with ear plates 4, the ear plates 4 and the fixing plate 6 are integrally arranged, and are integrally arranged in an inverted concave manner, and the side walls of the ear plates 4 are abutted against the side walls of the outermost graphite boat piece 1, and are fixed in position by fastening bolts.
Further, the screw rods of the fastening bolt connecting pieces are sequentially inserted into the threaded holes of the lug plate 4 and the graphite boat body 8 from outside to inside, and the position fixing of the lug plate and the graphite boat body 8 is realized through the nuts of the fastening bolt connecting pieces.
As shown in fig. 1, this embodiment provides a graphite boat for a vacuum furnace, the snap ring 5 is set in multiple groups, and is set according to the number of actual graphite boat sheets 1, a bayonet 13 is formed on the upper side of the snap ring 5, and the snap ring 5 is made of an insulating elastic element material.
Further, through installing snap ring 5 block in graphite pole 9 upside, realize the connection of snap ring and graphite pole, simultaneously because the snap ring adopts insulating elastic material to make, need not to use the ceramic ring to insulate from this.
As shown in fig. 4 and 5, this embodiment provides a graphite boat for a vacuum furnace, the positioning column of the upper ring connecting piece 141 is inserted into the positioning hole of the lower ring connecting piece 143, so as to realize the snap connection, the lower ring connecting piece 143 and the upper ring connecting piece 141 are combined to form a mounting connecting piece, and are connected and fixed by a fastening screw connecting piece 147, the middle parts of the upper ring connecting piece 141 and the lower ring connecting piece 143 are respectively provided with a mounting hole 145, and the internal thread of the mounting hole 145 is in threaded connection with the external thread of the graphite rod 9.
Further, the graphite rod is fixed in position through the upper circular connecting piece 141 and the lower circular connecting piece 143, so that stability is improved, and the assembled upper circular connecting piece 141 and lower circular connecting piece 143 are reinforced and fixed through the additionally arranged clamping piece 142, so that a double fixing effect can be achieved, the fixed graphite boat piece 1 and the graphite rod 9 are prevented from being loosened easily, and the graphite boat piece is loosened and even falls down to be damaged.
As shown in fig. 2 and 4, this embodiment provides a graphite boat for a vacuum furnace, the lug plate 4 is provided with a connecting piece 14, the connecting piece 14 is provided with a clamping piece 142, the clamping piece 142 is installed on the left and right sides of the installation connecting piece, the clamping piece 142 is formed into an L-shaped plate, the inner wall of the clamping piece 142 is abutted against the top end of the lower circular ring connecting piece 143, and the position is fixed through a bolt connecting piece 144.
Further, the upper ring connecting piece 141 and the lower ring connecting piece 143 are clamped by the clamp 142.
As shown in fig. 2, the present embodiment provides a graphite boat for a vacuum furnace, an electrode block formed by combining an upper electrode block 10 and a lower electrode block 11 is disposed on the upper side of the graphite boat body 8, the upper electrode block 10 is located on the upper side of a graphite boat sheet 1 at the most center of one end of the graphite boat body 8, and the lower electrode block 11 is disposed on the lower side of the upper electrode block 10.
As shown in fig. 2, the present embodiment provides a graphite boat for a vacuum furnace, where the lengths of the upper electrode block 10 and the lower electrode block 11 are 40-45mm, and the lengths of the upper electrode block 10 and the lower electrode block 11 are shortened under the condition that the lengths of the graphite boat body are unchanged, so that an available space can be provided for the extension of the graphite boat sheet 1.
Further, the graphite boat body 8 upside is provided with the boat foot 12, the boat foot 12 sets up in the bottom terminal surface of graphite boat body 8, the boat foot 12 has the brace table that supports at least one graphite boat piece, and every boat foot is 60-65mm along the length of graphite boat piece's length direction, and when last electrode piece and lower electrode piece length reduced, the length of boat foot is the same with prior art's length for the boat foot can match with equipment such as current boat support, reduces equipment transformation cost.
As shown in fig. 1, this embodiment provides a graphite boat for a vacuum furnace, a plurality of insert positions 3 are all installed on the surface of a graphite boat sheet 1, and a plurality of groups of clamping points 2 are all arranged on the outer ring of the insert positions 3.
The application flow and the working principle of the utility model are as follows:
when the graphite boat is used, firstly, graphite boat sheets are placed in a mounting fixture, then a plurality of groups of graphite boat sheets 1 are connected in series by graphite rods 9 to form a graphite boat body 8, then a fixing plate 6 is placed on the upper side of the graphite boat body 8, at the moment, a bayonet 13 of a clamping ring 5 is pressed and clamped into the upper side of the graphite rods 9, at the moment, the clamping ring 5 is made of an insulating elastic material, and therefore, the graphite boat sheets are divided without sleeving ceramic rings on the upper side of the graphite rods one by one; at the moment, a material storage space is formed between two adjacent graphite boat sheets and two adjacent graphite rods;
the other end of the graphite rod 9 penetrates through the graphite boat sheets 1 at the outermost sides of the left end and the right end of the graphite boat body 8, then the upper circular ring connecting piece 141 is screwed into the upper side of the graphite rod 9, then the lower circular ring connecting piece 143 is buckled to the upper side of the upper circular ring connecting piece 141, at the moment, the positioning column of the upper circular ring connecting piece 141 is inserted into the positioning hole of the lower circular ring connecting piece 143 to realize clamping connection, at the moment, the fastening screw connecting piece 147 is screwed into the mounting connecting piece to prevent the lower circular ring connecting piece 143 and the upper circular ring connecting piece 141 of the mounting connecting piece from being separated, then the clamping piece 142 is mounted on the left side and the right side of the mounting connecting piece, and position fixing is carried out through the bolt connecting piece 144, at the moment, the other end of the top butt of the inner wall of the clamping piece 142 is tightly abutted against the side wall of the graphite boat body 1, the clamping piece 142 is utilized to clamp the upper circular ring connecting piece 143 and the upper circular ring connecting piece 141 even if the bolts of the mounting connecting piece are loose, at the moment, the clamping piece can still be firmly fixed by the pressure applied by the clamping piece, and the clamping piece is prevented from being loose.
The above description is only a preferred embodiment of the present utility model, and is not intended to limit the scope of the present utility model. All equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (7)
1. The utility model provides a graphite boat for vacuum furnace, includes the graphite boat body that forms by graphite boat piece, boat foot and graphite pole combination, its characterized in that: graphite boat body comprises a plurality of graphite boat piece of crisscross distribution in proper order, and is adjacent concatenate each other through the graphite pole between the graphite boat piece, a plurality of inserted sheet positions are all installed to graphite boat piece surface, the outer lane at inserted sheet position all is provided with multiunit stuck point, graphite boat piece upside is provided with the fixed plate, fixed plate bottom terminal surface welding is provided with the snap ring, the snap ring joint is in the graphite pole upside to carry out fastening connection through the connecting piece, the connecting piece is located graphite pole both ends, the connecting piece is provided with down ring connection piece and last ring connection piece, ring connection piece and last ring connection piece are carried out the centre gripping through the holder down.
2. The graphite boat for vacuum furnace according to claim 1, wherein: the fixed plate both ends all are provided with the otic placode, the otic placode sets up with the fixed plate integration, and whole undercut setting that becomes, the lateral wall of otic placode and the lateral wall looks butt of the outside graphite boat piece to carry out the position fixing through fastening bolt.
3. A graphite boat for a vacuum furnace according to claim 2, wherein: be provided with the connecting piece on the otic placode, the connecting piece is provided with the clamping piece, clamping piece shaping L template sets up, clamping piece inner wall and lower ring connection piece top looks butt to carry out the position fixing through bolted connection spare.
4. The graphite boat for vacuum furnace according to claim 1, wherein: the snap ring adopts the multiunit to set up according to actual graphite boat piece's quantity, the bayonet socket has been seted up to the snap ring upside.
5. The graphite boat for vacuum furnace according to claim 1, wherein: the locating column of going up the ring connection piece inserts down in the locating hole of ring connection piece, realize the block and connect, lower ring connection piece and last ring connection piece combination form the installation connecting piece to connect fixedly through the fastening screw connecting piece, go up ring connection piece and lower ring connection piece middle part all and be provided with the mounting hole, the internal thread of mounting hole carries out threaded connection with the external screw thread of graphite pole.
6. The graphite boat for vacuum furnace according to claim 1, wherein: the graphite boat comprises a graphite boat body, and is characterized in that an electrode block formed by combining an upper electrode block and a lower electrode block is arranged on the upper side of the graphite boat body, the upper electrode block is positioned on the upper side of a graphite boat sheet at the most center of one end of the graphite boat body, and the lower electrode block is arranged on the lower side of the upper electrode block.
7. The graphite boat for vacuum furnace according to claim 1, wherein: the graphite boat is characterized in that boat legs are arranged on the upper side of the graphite boat body and are arranged on the bottom end face of the graphite boat body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221739353.XU CN219083739U (en) | 2022-07-07 | 2022-07-07 | Graphite boat for vacuum furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221739353.XU CN219083739U (en) | 2022-07-07 | 2022-07-07 | Graphite boat for vacuum furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219083739U true CN219083739U (en) | 2023-05-26 |
Family
ID=86391419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221739353.XU Active CN219083739U (en) | 2022-07-07 | 2022-07-07 | Graphite boat for vacuum furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219083739U (en) |
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2022
- 2022-07-07 CN CN202221739353.XU patent/CN219083739U/en active Active
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