CN112050622A - Splicing-molded large-size graphite boat and splicing-assembling method thereof - Google Patents
Splicing-molded large-size graphite boat and splicing-assembling method thereof Download PDFInfo
- Publication number
- CN112050622A CN112050622A CN202010920483.2A CN202010920483A CN112050622A CN 112050622 A CN112050622 A CN 112050622A CN 202010920483 A CN202010920483 A CN 202010920483A CN 112050622 A CN112050622 A CN 112050622A
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- groove
- graphite
- splicing
- graphite boat
- graphite substrate
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 95
- 229910002804 graphite Inorganic materials 0.000 title claims abstract description 89
- 239000010439 graphite Substances 0.000 title claims abstract description 89
- 238000000034 method Methods 0.000 title claims abstract description 12
- 239000000758 substrate Substances 0.000 claims abstract description 40
- 238000005192 partition Methods 0.000 claims abstract description 27
- 238000005245 sintering Methods 0.000 claims abstract description 20
- 238000003780 insertion Methods 0.000 claims abstract description 19
- 230000037431 insertion Effects 0.000 claims abstract description 19
- 239000002131 composite material Substances 0.000 claims description 6
- 238000000465 moulding Methods 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 4
- CREMABGTGYGIQB-UHFFFAOYSA-N carbon carbon Chemical group C.C CREMABGTGYGIQB-UHFFFAOYSA-N 0.000 claims description 3
- 239000011203 carbon fibre reinforced carbon Substances 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 2
- 238000002955 isolation Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 239000000956 alloy Substances 0.000 description 7
- 229910045601 alloy Inorganic materials 0.000 description 7
- 229910052799 carbon Inorganic materials 0.000 description 6
- 238000005452 bending Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000007770 graphite material Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000009966 trimming Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B5/00—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
- F27B5/04—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated adapted for treating the charge in vacuum or special atmosphere
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B5/00—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
- F27B5/06—Details, accessories, or equipment peculiar to furnaces of these types
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D5/00—Supports, screens, or the like for the charge within the furnace
- F27D5/0006—Composite supporting structures
- F27D5/0012—Modules of the sagger or setter type; Supports built up from them
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Furnace Charging Or Discharging (AREA)
Abstract
The invention discloses a spliced large-size graphite boat, which comprises a graphite substrate, side strips, a bottom plate strip and a partition plate, wherein the graphite substrate is provided with a smooth lower surface with a stacking groove; a blind groove is formed on the upper surface of the graphite substrate, a positioning groove is formed in the blind groove, a first insertion groove is formed on the outer side of the blind groove, a side edge strip is inserted on the first insertion groove, an overlapping step matched with the overlapping groove is formed on the upper surface of the side edge strip, and a second insertion groove is formed on the side of the blind groove of the side edge strip; the section of the bottom plate strip is triangular, and the bottom surface is matched with the positioning groove; and the clapboard is provided with a bottom surface matched with the positioning groove and a side surface matched with the second inserting groove. The invention can replace the damaged parts of the graphite sintering boat by matching with the splicing and assembling method of the large-size graphite boat, ensures the service life of the main body, can fully utilize the sintering space and ensures the sintering effect.
Description
Technical Field
The invention relates to a sintering vessel for vacuum sintering of hard alloy, in particular to a large-size graphite boat formed by splicing and a splicing and assembling method thereof.
Background
The vacuum sintering of hard alloy is a sintering process widely used at present, and as a common accessory of a hard alloy sintering furnace, the graphite boat has good electric conductivity and heat conductivity, porosity, low thermal expansion coefficient, small resistance temperature coefficient, low thermal inertia, rapid heating and cooling, no special requirement in the process of processing workpieces, and is more suitable for the application of a vacuum furnace heating body. When the graphite boat works, the qualified pressed blank is usually filled into a graphite boat, then the graphite boat filled with the product is filled into a hearth of a sintering furnace in an up-and-down stacking mode, and the graphite boat is vacuumized and sintered.
In the prior art, a single-boat single-material processing mode is generally adopted for products, but for some large-size graphite boats for sintering large-size products, the application range of the large-size graphite boats is limited, in order to prevent excessive idling, the large-size graphite boats are used for placing a plurality of products in the same boat for processing, but for the processing of multiple products in one boat of the large-size graphite boats, the structures and the shapes of different products are different, the requirements on the shapes of volume cavities of the graphite boats are also different, if the position cannot be distinguished, a large sintering space is wasted, and meanwhile, the atmosphere in a sintering furnace is not facilitated; in addition, because the bottom of the sintered product is in contact with the graphite boat, and the other surfaces of the product are far away from the surface of the graphite boat, the carbon atmosphere concentration of the part close to the graphite boat is often high, and the carbon atmosphere concentration of the part far away from the graphite boat is low, the sintering of the product is uneven, and the production efficiency and the product quality are affected.
Therefore, the structure of the prior art graphite boat needs to be further improved.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a large-size graphite boat formed by splicing and a splicing and assembling method thereof, so as to solve the defects in the background technology.
The technical problem solved by the invention is realized by adopting the following technical scheme:
a splicing-molded large-size graphite boat comprises an assembly and accessories, wherein:
the assembly includes a graphite substrate, a side bar, and a cover plate: the graphite substrate is provided with a smooth lower surface, and the upper opposite side of the lower surface of the graphite substrate is provided with a stacking groove which is long-strip-shaped and the length of the stacking groove is consistent with that of the graphite substrate; a blind groove serving as a placement area of a product to be processed is formed on the upper surface of the graphite substrate, a plurality of positioning grooves which are arranged in parallel are formed in the blind groove, and the positioning grooves are perpendicular to the stacking grooves; a first insertion groove is formed in the side wall of the blind groove corresponding to the edge of the overlapping groove, a side edge strip is inserted into the first insertion groove, the side edge strips have different heights, and the side edge strip can move back and forth along the first insertion groove; the upper surface of the side edge strip is provided with an overlapping step matched with the overlapping groove, and a plurality of second inserting grooves arranged at intervals are formed on the blind groove side of the side edge strip;
the fitting includes a bottom panel and a baffle: the bottom plate strips are provided with inserting parts which are detachably inserted into the positioning grooves, the inserting parts have different heights, a bearing surface is formed at the top of each inserting part, the section of each bearing surface is an isosceles trapezoid, the upper base of each isosceles trapezoid bears the inserting parts, the lower base of each isosceles trapezoid is used as an object placing surface, the bottom plate strips with different heights are inserted into the blind groove areas to serve as the bearing surfaces, and the processed product placing areas of the blind groove areas are separated in a vertically staggered mode; the partition plate is provided with a bottom surface matched with the positioning groove and a side surface matched with the second insertion groove so as to horizontally separate the processing product placing areas in the blind groove areas;
the large-size graphite boat formed by splicing carries out the distribution of products with different sizes according to the needs in the sintering processing area of the large-size graphite boat through the up-down staggered separation and the horizontal area separation.
The cover plate is provided with a lower surface capable of covering the projection surface of the graphite substrate, and a covering groove matched with the stacking step is formed on the lower surface of the cover plate.
By way of further limitation, the graphite substrate is a high-density graphite substrate formed by molding high-purity graphite.
By way of further limitation, the side edge strip is formed by molding a carbon-based composite material, and is preferably a carbon-carbon composite material side edge strip or a carbon ceramic composite material side edge strip.
As a further limitation, the bottom lath and the partition plate are both molded by graphite material.
By way of further limitation, the surface finish Ra of the graphite substrate in the blind groove area is less than or equal to 15 mu m.
As a further limitation, the side strips, the bottom strip and the partition plates are all detachably assembled on the graphite substrate.
By way of further limitation, the included angle between the inclined edge corresponding to the isosceles trapezoid cross section of the bearing surface and the blind groove is 60 degrees.
A splicing and assembling method of a large-size graphite boat utilizes the splicing and molding large-size graphite boat with the technical characteristics to splice, and the splicing is carried out according to the following operation steps:
s1, assembling assembly: measuring the size of a workpiece to be processed, determining the height of the workpiece to be processed, selecting a side strip with proper height, and inserting the side strip on two sides of the graphite substrate by utilizing the first inserting groove;
s2, assembling accessories: measuring the length and the width of a workpiece to be processed, selecting a partition point on the surface of the graphite substrate by taking the direction corresponding to the smaller value of the length and the width of the workpiece to be processed as a reference direction, moving the side edge strip to enable the second insertion groove on the side edge strip to correspond to the positioning groove, and inserting a partition plate at the selected partition point position for partition;
and S3, inserting bottom plate strips with different heights on the surface of the positioning groove, and ensuring that the workpieces in the adjacent isolation areas are in a dislocation state, namely, the workpieces can enter the furnace for hot processing treatment.
Has the advantages that: the large-size graphite boat formed by splicing has the advantages of simple and rapid assembly, convenient component replacement, good matching property, convenient stacking and combination, capability of carrying out matching assembly according to the sizes and shapes of different workpieces to adjust the placement space of alloy pieces and capability of realizing the sintering operation of multiple products of small-size alloy pieces in the same batch; meanwhile, the lower part of the partition board can be suspended by sliding the side strips, so that airflow can be conveniently discharged, a forming agent in the sintering process can be conveniently discharged, the carbon atmosphere concentration around the product can be improved, and the purpose of reducing the bending deformation of the product is achieved.
Drawings
FIG. 1 is a schematic cross-sectional detail view of a preferred embodiment of the present invention.
FIG. 2 is a top view of a single-sided assembly sidebar in accordance with a preferred embodiment of the present invention.
FIG. 3 is a schematic view of the assembled state of the floor strip according to the preferred embodiment of the present invention.
Wherein: 1. a stacking step; 2. a side bar; 3. a lateral ear; 4. a partition plate; 5. the bottom surface of the partition board is inserted; 6. stacking the grooves; 7. the side edge strips are inserted into the bottom surface; 8. a blind groove; 9. a graphite substrate; 10. a second cartridge slot; 11. positioning a groove; 12. a second side edge; 13. a first cartridge slot; 14. a first side edge; 15. a bottom panel.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings.
Referring to fig. 1 to 3, in the embodiment, after the graphite boat has an outer contour formed by the graphite substrate 9 and the side bars 2, the graphite boat is selectively assembled and formed by the bottom plate strips 15 and the partition plates 4; the side strips 2, the bottom plate strips 15 and the partition plates 4 are all detachably assembled on the graphite substrate 9.
The graphite substrate 9 is formed by trimming a square high-density graphite substrate made of high-purity graphite, a blind groove 8 is formed on the upper surface of the graphite substrate 9, a plurality of positioning grooves 11 arranged in parallel are formed in the blind groove 8, the outer side of the blind groove 8 comprises two first side edges 14 and two second side edges 12, and the first side edges 14 and the second side edges 12 are higher than the plane of the blind groove 8; the upper surface of the first side 14 is a plane, the upper surface of the second side 12 is formed with a first insertion groove 13, and the first insertion groove 13 is perpendicular to the positioning groove 11 and penetrates through the side length direction of the graphite substrate 9. A stacking groove 6 is formed on the lower surface of the graphite substrate 9 at a position corresponding to the second side edge 12, and the stacking groove 6 penetrates through the side length direction of the graphite substrate 9; and the lower surface of the graphite substrate 9 and the surface of the blind groove 8 are polished, and the surface smoothness Ra is ensured to be less than or equal to 15 mu m.
The side edge strip 2 is formed by trimming a long-strip-shaped carbon-carbon composite material, the lower surface of the side edge strip is provided with a side edge strip insertion bottom surface 7 matched with the first insertion groove 13, the upper surface of the side edge strip is provided with a stacking step 1 matched with the stacking groove 6, and the inner side of the stacking step 1 is provided with a plurality of second insertion grooves 10 arranged at intervals.
The bottom plate strips 15 and the partition plates 3 which are used as accessories are all made of graphite materials, the bottom plate strips 15 are shown in figure 3 and are provided with inserting parts matched with the positioning grooves 11 on the graphite substrate 9, the upper parts of the inserting parts are fixedly connected with bearing parts with inverted trapezoidal sections, included angles between inclined edges corresponding to the inverted trapezoidal sections corresponding to the bearing parts and the bottom surfaces of the blind grooves 8 are 60 degrees, so that an airflow channel with a large enough sectional area is provided while the structural stability is guaranteed, the bearing parts serve as bearing surfaces and are used for placing workpieces on the surfaces of the bearing parts, and the inserting parts of different bottom plate strips 15 are different in height, so that the bearing surfaces are located on dislocation planes with different heights.
The partition board 4 comprises a board body, side lugs 3 are symmetrically arranged on two sides of the board body, the side lugs 3 on the two sides are provided with inserting protruding structures matched with the second inserting grooves 10, the lower portions of the side lugs 3 are connected with the board body of the partition board 4 through triangular edges, and a partition board inserting bottom surface 5 inserted into the positioning groove 11 is arranged on the bottom surface of the partition board 4.
Meanwhile, the graphite boat of this embodiment further includes a cover plate having a lower surface capable of covering the projection surface of the graphite substrate, and a covering groove matched with the stacking step is formed on the lower surface of the cover plate, so that the cover plate can cover the stacking step 1 without displacement.
In the embodiment, the size of the workpiece to be processed is measured firstly during assembly to obtain a corresponding length, width and height value, and the side bars 2 higher than the workpiece by 10-15% are selected to be inserted into the first insertion grooves 13 on the surfaces of the first side edges 14 on the two sides of the graphite substrate 9.
Selecting the length value and the width value of a workpiece to be processed for comparison, selecting a smaller value, selecting a width larger than the smaller value by 15-30% as an interval width, adjusting the position of the side strip 2 in the first plug-in groove 13 through sliding, inserting the partition plate 4 in the corresponding positions of the second plug-in groove 10 and the positioning groove 11, and isolating the selected interval width.
Then, inserting bottom plate strips 15 into the positions, corresponding to the positioning grooves 11, on the surfaces of the blind grooves 8 of the regions where the workpieces to be processed are to be placed, so that the bottom plate strips 15 of the same processing region are ensured to be positioned on the same plane, the planes of the bottom plate strips 15 of the adjacent processing regions are kept in dislocation, then placing the workpieces to be processed in the corresponding processing regions, and then putting the large-size graphite boat into a furnace for hot processing.
In the hot processing process, workpieces to be processed which are staggered and arranged at intervals can effectively utilize the processing space of the large-size graphite boat, and the clearance space matched with the lower part of the bottom plate strip 15 is arranged by utilizing the structural characteristics of the bottom plate strip 15 to serve as a protective gas circulation space, so that the hard alloy pressed compact can be effectively prevented from being easily subjected to chemical reaction with a contact material of the boat at high temperature, the working efficiency of sintering the boat is improved, the operation speed is accelerated, and the quality stability of hard alloy can be effectively improved; meanwhile, under the condition of sintering without a cover, the lower part of the partition plate 4 can be suspended by sliding the side strips 2, so that airflow can be conveniently discharged, a forming agent in the sintering process can be conveniently discharged, the carbon atmosphere concentration around the product can be improved, and the aim of reducing the bending deformation of the product is fulfilled.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The large-size graphite boat formed by splicing is characterized by comprising an assembly part and accessories,
the assembly includes a graphite substrate, a side bar, and a cover plate: the graphite substrate is provided with a smooth lower surface, and the upper opposite side of the lower surface of the graphite substrate is provided with a stacking groove which is long-strip-shaped and the length of the stacking groove is consistent with that of the graphite substrate; a blind groove serving as a placement area of a product to be processed is formed on the upper surface of the graphite substrate, a plurality of positioning grooves which are arranged in parallel are formed in the blind groove, and the positioning grooves are perpendicular to the stacking grooves; a first insertion groove is formed in the side wall of the blind groove corresponding to the edge of the overlapping groove, a side edge strip is inserted into the first insertion groove, the side edge strips have different heights, and the side edge strip can move back and forth along the first insertion groove; the upper surface of the side edge strip is provided with an overlapping step matched with the overlapping groove, and a plurality of second inserting grooves arranged at intervals are formed on the blind groove side of the side edge strip;
the fitting includes a bottom panel and a baffle: the bottom plate strips are provided with inserting parts which are detachably inserted into the positioning grooves, the inserting parts have different heights, a bearing surface is formed at the top of each inserting part, the section of each bearing surface is an isosceles trapezoid, the upper base of each isosceles trapezoid bears the inserting parts, the lower base of each isosceles trapezoid is used as an object placing surface, the bottom plate strips with different heights are inserted into the blind groove areas to serve as the bearing surfaces, and the processed product placing areas of the blind groove areas are separated in a vertically staggered mode; the partition plate is provided with a bottom surface matched with the positioning groove and a side surface matched with the second insertion groove so as to horizontally separate the processing product placing areas in the blind groove areas;
the large-size graphite boat formed by splicing distributes products with different sizes in a sintering processing area of the large-size graphite boat through up-down staggered separation and horizontal area separation.
2. The splice-molded large-sized graphite boat as claimed in claim 1, wherein the cover plate has a lower surface capable of covering the projection surface of the graphite substrate, and a cover groove matching the stacking step is formed on the lower surface of the cover plate.
3. The splice-molded large-sized graphite boat as claimed in claim 1, wherein the graphite substrate is a high-density graphite substrate formed by molding high-purity graphite.
4. The splice-molded large-size graphite boat of claim 1, wherein the side bar is a carbon-carbon composite side bar or a carbon-ceramic composite side bar.
5. The splice-molded large-sized graphite boat as claimed in claim 1, wherein the bottom plate strips and the partitions are molded of graphite.
6. The splicing-shaped large-size graphite boat according to claim 1, wherein the graphite substrate has a surface finish Ra of less than or equal to 15 μm in the blind groove region.
7. The splicing-molded large-sized graphite boat as claimed in claim 1, wherein the side bars, the bottom plate bars and the partition plates are detachably mounted on the graphite substrate.
8. The splicing-formed large-size graphite boat of claim 1, wherein the inclined side of the isosceles trapezoid cross section of the carrying surface forms an included angle of 60 ° with the blind groove.
9. A splicing and assembling method of a large-sized graphite boat, characterized in that the large-sized graphite boat formed by splicing according to any one of claims 1 to 8 is spliced according to the following operation steps:
s1, assembling assembly: measuring the size of a workpiece to be processed, determining the height of the workpiece to be processed, selecting a side strip with proper height, and inserting the side strip on two sides of the graphite substrate by utilizing the first inserting groove;
s2, assembling accessories: measuring the length and the width of a workpiece to be processed, selecting a partition point on the surface of the graphite substrate by taking the direction corresponding to the smaller value of the length and the width of the workpiece to be processed as a reference direction, moving the side edge strip to enable the second insertion groove on the side edge strip to correspond to the positioning groove, and inserting a partition plate at the selected partition point position for partition;
and S3, inserting bottom plate strips with different heights into the surfaces of the positioning grooves to ensure that the workpieces in adjacent isolation areas are in a staggered state, and finishing assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010920483.2A CN112050622B (en) | 2020-09-04 | 2020-09-04 | Splicing-molded large-size graphite boat and splicing-assembling method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010920483.2A CN112050622B (en) | 2020-09-04 | 2020-09-04 | Splicing-molded large-size graphite boat and splicing-assembling method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112050622A true CN112050622A (en) | 2020-12-08 |
| CN112050622B CN112050622B (en) | 2022-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010920483.2A Active CN112050622B (en) | 2020-09-04 | 2020-09-04 | Splicing-molded large-size graphite boat and splicing-assembling method thereof |
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| CN (1) | CN112050622B (en) |
Citations (9)
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|---|---|---|---|---|
| CN201926304U (en) * | 2010-12-23 | 2011-08-10 | 株洲硬质合金集团有限公司 | Combined graphite boat |
| CN102179516A (en) * | 2011-04-21 | 2011-09-14 | 株洲钻石切削刀具股份有限公司 | Multipurpose boat for powder metallurgical sintering and multipurpose boat unit |
| CN203664668U (en) * | 2013-12-12 | 2014-06-25 | 河南省大地合金股份有限公司 | Sintering boat for ultra-thin and ultra-wide cemented carbide products |
| CN205904439U (en) * | 2016-06-30 | 2017-01-25 | 中铝广西有色金源稀土有限公司 | Graphite magazine for sintering of variable volume |
| CN106955999A (en) * | 2017-03-29 | 2017-07-18 | 株洲钻石切削刀具股份有限公司 | A kind of boat and boat group for hard alloy dewaxing technique |
| CN207335432U (en) * | 2017-10-25 | 2018-05-08 | 湖南省新化县鑫星电子陶瓷有限责任公司 | One kind contains ceramic product sintering alms bowl |
| CN208108801U (en) * | 2018-03-02 | 2018-11-16 | 中国科学院上海硅酸盐研究所 | A kind of carborundum heat-exchange tube sintering graphite kiln furnitures |
| CN208555975U (en) * | 2018-08-15 | 2019-03-01 | 宁波恒普真空技术有限公司 | A kind of graphite flitch isolating device |
| CN209000887U (en) * | 2018-09-29 | 2019-06-18 | 襄阳赛普尔电子有限公司 | It is sintered chip pin-connected panel moulds of industrial equipment and graphite tube |
-
2020
- 2020-09-04 CN CN202010920483.2A patent/CN112050622B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201926304U (en) * | 2010-12-23 | 2011-08-10 | 株洲硬质合金集团有限公司 | Combined graphite boat |
| CN102179516A (en) * | 2011-04-21 | 2011-09-14 | 株洲钻石切削刀具股份有限公司 | Multipurpose boat for powder metallurgical sintering and multipurpose boat unit |
| CN203664668U (en) * | 2013-12-12 | 2014-06-25 | 河南省大地合金股份有限公司 | Sintering boat for ultra-thin and ultra-wide cemented carbide products |
| CN205904439U (en) * | 2016-06-30 | 2017-01-25 | 中铝广西有色金源稀土有限公司 | Graphite magazine for sintering of variable volume |
| CN106955999A (en) * | 2017-03-29 | 2017-07-18 | 株洲钻石切削刀具股份有限公司 | A kind of boat and boat group for hard alloy dewaxing technique |
| CN207335432U (en) * | 2017-10-25 | 2018-05-08 | 湖南省新化县鑫星电子陶瓷有限责任公司 | One kind contains ceramic product sintering alms bowl |
| CN208108801U (en) * | 2018-03-02 | 2018-11-16 | 中国科学院上海硅酸盐研究所 | A kind of carborundum heat-exchange tube sintering graphite kiln furnitures |
| CN208555975U (en) * | 2018-08-15 | 2019-03-01 | 宁波恒普真空技术有限公司 | A kind of graphite flitch isolating device |
| CN209000887U (en) * | 2018-09-29 | 2019-06-18 | 襄阳赛普尔电子有限公司 | It is sintered chip pin-connected panel moulds of industrial equipment and graphite tube |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112050622B (en) | 2022-05-17 |
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