CN214327810U - Vacuum furnace heating system - Google Patents
Vacuum furnace heating system Download PDFInfo
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- CN214327810U CN214327810U CN202120442771.1U CN202120442771U CN214327810U CN 214327810 U CN214327810 U CN 214327810U CN 202120442771 U CN202120442771 U CN 202120442771U CN 214327810 U CN214327810 U CN 214327810U
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Abstract
The utility model belongs to the technical field of the vacuum furnace and specifically relates to a vacuum furnace heating system is related to, it is including setting up the heater in the furnace body is inside, the heater sets up along furnace body length direction, the one end interval of heater sets up the fixed foot of positive pole and the fixed foot of negative pole, the heater includes a plurality of heating arc boards, connect the connecting plate of two adjacent heating arc boards, the heating arc board sets up along furnace body axis direction, a plurality of heating arc boards are around furnace body circumferencial direction evenly distributed, the connecting plate is connected the one end that two adjacent heating arc boards are close to each other, form S-shaped electrically conductive passageway between a plurality of heating arc boards and a plurality of connecting plates, form heating space between a plurality of heating arc boards. This application has the effect that promotes the effective heating space of heater.
Description
Technical Field
The application relates to the field of vacuum furnaces, in particular to a vacuum furnace heating system.
Background
The vacuum furnace is characterized in that partial substances in the furnace cavity are discharged by a vacuum system in a specific space of the furnace cavity, so that the pressure in the furnace cavity is less than a standard atmospheric pressure, and the space in the furnace cavity is in a vacuum state, namely the vacuum furnace. The method is mainly used for vacuum quenching of materials and parts.
Because graphite has excellent electrical property and strong high-temperature stability, a tubular or columnar graphite heater is mostly adopted in a heating system of the current vacuum furnace.
In view of the above-mentioned related art, the inventors believe that the tubular or cylindrical graphite heater has good heating uniformity but a small effective heating space.
SUMMERY OF THE UTILITY MODEL
In order to promote the effective heating space of heater, this application provides a vacuum furnace heating system.
The application provides a vacuum furnace heating system adopts following technical scheme:
the utility model provides a vacuum furnace heating system, is including setting up the heater inside the furnace body, the heater sets up along furnace body length direction, the one end interval of heater sets up the fixed foot of positive pole and the fixed foot of negative pole, the heater includes a plurality of heating arc boards, connects the connecting plate of two adjacent heating arc boards, the heating arc board sets up along furnace body axis direction, and is a plurality of the heating arc board is around furnace body circumferencial direction evenly distributed, the connecting plate is connected two adjacent heating arc boards and is close to' S one end, and is a plurality of form S-shaped electrically conductive passageway between heating arc board and a plurality of connecting plate, and is a plurality of form the heating space between the heating arc board.
Through adopting above-mentioned technical scheme, link to each other power positive pole and the fixed foot electricity of positive pole, the power negative pole links to each other with the fixed foot electricity of negative pole, and the circular telegram is carried out the heater, makes a plurality of heating arc boards generate heat, when guaranteeing the heating homogeneity, utilizes the effective heating space in the heating space of heating arc board increase.
Optionally, the spliced pole is all equipped with at heating arc board length direction both ends, the spliced pole sets up along heating arc board length direction, the connecting hole is all seted up at the both ends of connecting plate, the spliced pole is pegged graft with the connecting hole and is cooperated, the spliced pole is kept away from the one end threaded connection nut of heating arc board, the nut is contradicted with the connecting plate.
Through adopting above-mentioned technical scheme, utilize the connecting plate to link together two adjacent heating arc boards, make and establish current channel and heat transfer channel between the heating arc board, after screwing up the nut, make the surface of connecting plate and the tip of heating arc board closely contradict, reduce the possibility that produces the clearance between connecting plate and the heating arc board, help promoting the effective heating space of heating arc board.
Optionally, both ends of the heating arc plate in the length direction are provided with positioning grooves, one side of the connecting plate close to the heating arc plate is provided with a positioning block, and the positioning block is in plug-in fit with the positioning grooves.
Through adopting above-mentioned technical scheme, utilize the grafting cooperation of locating piece and constant head tank, increase the area of contact between connecting plate and the heating arc board, it is more convenient to make heat-conduction between connecting plate and the heating arc board, helps promoting the hot homogeneity of heater.
Optionally, one end of the positioning block close to the connecting plate is larger than one end of the positioning block far away from the connecting plate.
Through adopting above-mentioned technical scheme, when the locating piece inserted the constant head tank, lead to the locating piece, make the connecting plate installation more convenient.
Optionally, one side of the connecting plate close to the inner wall of the furnace body is flush with one side of the heating arc plate far away from the inner wall of the furnace body, and one side of the connecting plate far away from the inner wall of the furnace body is flush with one side of the heating arc plate far away from the inner wall of the furnace body.
Through adopting above-mentioned technical scheme, further increase the area of contact between connecting plate and the heating arc board, promote the holistic pleasing to the eye degree of heater simultaneously.
Optionally, one side of the heating arc plate close to the inner wall of the furnace body is provided with a connecting shaft, the connecting shaft is arranged along the length direction of the heating arc plate, the inner wall of the furnace body is provided with a plurality of fixing blocks, the fixing blocks are provided with inserting grooves along the length direction of the connecting shaft, and the connecting shaft is inserted and matched with the inserting grooves.
Through adopting above-mentioned technical scheme, peg graft the cooperation with heater and furnace body, make the heater installation more convenient with the dismantlement, reduce the area of contact between heating arc board and the furnace body simultaneously, reduce the heat that transmits to on the furnace body.
Optionally, a connecting block is arranged between the connecting shaft and the heating arc plate, and the connecting block is arranged along the axis direction of the connecting shaft.
Through adopting above-mentioned technical scheme, utilize the connecting block increase to heat the clearance between arc board and the furnace body to reduce the heat transfer of heating arc board and protect the furnace body on the furnace body.
Optionally, a plurality of arc-shaped convex blocks are arranged on the inner wall of the insertion groove, and the arc-shaped convex blocks are abutted against the connecting shaft.
Through adopting above-mentioned technical scheme, utilize arc lug and connecting axle to contradict, further reduce the area of contact between fixed block and the connecting axle, reduce the heat that the heating arc board transmitted on the fixed block.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the heater consisting of a plurality of heating arc plates is arranged, so that the effect of increasing the effective heating space of the heater is achieved while the heating uniformity is ensured;
2. through setting up connecting axle and inserting groove, with heater and furnace body grafting cooperation, it is more convenient to make heater installation and dismantlement, reduces the area of contact between heating arc board and the furnace body simultaneously, reaches the heat that reduces to transmit to the furnace body.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.
Fig. 2 is a schematic structural diagram of a heater embodied in the embodiment of the present application.
Fig. 3 is an exploded view of a connecting structure of a connecting plate and a heating arc plate in the embodiment of the application.
Fig. 4 is a schematic view of a heater mounting structure in the embodiment of the present application.
Description of reference numerals: 1. a furnace body; 2. a heater; 21. an anode fixing pin; 22. a cathode fixing leg; 3. heating the arc plate; 31. connecting columns; 32. a nut; 33. positioning a groove; 4. a connecting plate; 41. connecting holes; 42. positioning blocks; 5. heating the space; 6. a connecting shaft; 7. a fixed block; 71. inserting grooves; 72. an arc-shaped bump; 8. and (4) connecting the blocks.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses vacuum furnace heating system. Referring to fig. 1 and 2, a vacuum furnace heating system comprises a heater 2 arranged inside a furnace body 1, wherein the furnace body 1 is arranged in a horizontally arranged cylinder, the heater 2 is arranged in a circular ring shape coaxial with the furnace body 1, an anode fixing pin 21 and a cathode fixing pin 22 are fixedly arranged at one end of the heater 2 far away from an opening of the vacuum furnace 1, and the anode fixing pin 21 and the cathode fixing pin 22 are arranged in a central symmetry mode about the axis of the heater 2.
Referring to fig. 1, heater 2 is including heating arc board 3, connecting plate 4, heating arc board 3 is the graphite heating plate, heating arc board 3 sets up along furnace body 1 'S axis direction, the axis of heating arc board 3 is unanimous with furnace body 1' S axis, heating arc board 3 sets up a plurality ofly along 1 circumferencial direction of furnace body, connecting plate 4 connects the one end that two adjacent heating arc boards 3 are close to each other, make a plurality of heating arc boards 3 and a plurality of connecting plate 4 cooperation form S-shaped conductive channel, make the cooperation form heating space 5 between a plurality of heating arc boards 3.
Referring to fig. 3, all fixed spliced pole 31 that sets up in the both ends of 3 length direction of heating arc board, two spliced poles 31 are centrosymmetric setting about 3 length direction's of heating arc board center, spliced pole 31 sets up along 3 length direction of heating arc board, connecting plate 4 is located 3 length direction's of heating arc board tip, connecting hole 41 is all seted up at 4 length direction's of connecting plate both ends, two spliced poles 31 on two adjacent heating arc boards 3 are pegged graft the cooperation with two connecting holes 41 respectively, utilize a plurality of connecting plates 4 to connect into a whole with a plurality of heating arc boards 3, finally increase heater 2's effective heating space 5.
Referring to fig. 3, the one end threaded connection who keeps away from heating arc board 3 at spliced pole 31 has nut 32, screws up nut 32, makes nut 32 contradict connecting plate 4, closely laminates until connecting plate 4 and heating arc board 3, makes the electric current between a plurality of heating arc boards 3 circulate to make and to carry out heat-conduction between the adjacent heating arc board 3.
Referring to fig. 3, in order to further increase the contact area between the heating arc plate 3 and the connecting plate 4, two positioning blocks 42 are arranged on the connecting plate 4, the positioning blocks 42 are circular truncated cones whose axes are arranged along the length direction of the heating arc plate 3, one end of each positioning block 42 close to the heating arc plate 3 is smaller than one end of each positioning block far away from the heating arc plate 3, the two positioning blocks 42 are respectively arranged at two ends of the connecting plate 4, and the positioning blocks 42 are fixedly connected with the connecting plate 4. A positioning groove 33 is formed in the end part of the heating arc plate 3 corresponding to the positioning block 42, and the positioning block 42 is in inserted fit with the positioning groove 33.
Referring to fig. 1, in order to make the heater 2 more beautiful and neat as a whole, one side of the connecting plate 4 close to the inner wall of the furnace body 1 is set as an arc surface, one side of the connecting plate 4 away from the inner wall of the furnace body 1 is also set as an arc surface, one side of the connecting plate 4 close to the inner wall of the furnace body 1 is flushed with one side of the heating arc plate 3 away from the inner wall of the furnace body 1, and one side of the connecting plate 4 away from the inner wall of the furnace body 1 is flushed with one side of the heating arc plate 3 away from the inner wall of the furnace body 1.
Referring to fig. 3 and 4, one side that is close to the inner wall of furnace body 1 at every heating arc board 3 all is equipped with connecting block 8, and connecting block 8 sets up along 3 length direction of heating arc board, and one side that connecting block 8 is close to heating arc board 3 is greater than the one side of keeping away from heating arc board 3, keeps away from one side of heating arc board 3 at connecting block 8 and fixes and set up connecting axle 6, and connecting axle 6 sets up along the length direction of heating arc board 3. The inner wall of the furnace body 1 is fixedly provided with a plurality of fixing blocks 7, the fixing blocks 7 are provided with insertion grooves 71, the insertion grooves 71 are arranged along the length direction of the connecting shaft 6, and the connecting shaft 6 is in insertion fit with the insertion grooves 71.
Referring to fig. 4, arc-shaped convex blocks 72 are fixedly arranged on the inner wall of the insertion groove 71, the arc-shaped convex blocks 72 are arranged along the length direction of the connecting shaft 6, the arc-shaped convex blocks 72 are arranged along the circumferential direction of the connecting shaft 6, the arc-shaped convex blocks 72 are abutted against the connecting shaft 6, and when the connecting shaft 6 is abutted, the contact area between the connecting shaft 6 and the fixing block 7 is reduced, so that the heat quantity transferred to the inner wall of the furnace body 1 by the heating arc plates 3 is reduced.
The implementation principle of the vacuum furnace heating system in the embodiment of the application is as follows: the connecting holes 41 on the connecting plate 4 are in plug-in fit with the connecting columns 31, the nuts 32 are screwed down, the nuts 32 are enabled to be abutted against the connecting plate 4, the connecting plate 4 is abutted against the heating arc plates 3, the heating arc plates 3 are fixedly connected together by utilizing the connecting plates 4, and S-shaped conductive channels are formed inside the heater 2.
The connecting shaft 6 is inserted into the corresponding insertion groove 71 to limit the heater 2. When in use, the anode of the power supply is electrically connected with the anode fixing pin 21, the cathode of the power supply is electrically connected with the cathode fixing pin 22, and the heater 2 is electrified, so that the heating spaces 5 are formed among the plurality of heating arc plates 3.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a vacuum furnace heating system, is including setting up heater (2) inside furnace body (1), heater (2) set up along furnace body (1) length direction, the one end interval of heater (2) sets up fixed foot of positive pole (21) and the fixed foot of negative pole (22), its characterized in that: heater (2) include a plurality of heating arc boards (3), connect connecting plate (4) of two adjacent heating arc boards (3), heating arc board (3) set up along furnace body (1) axis direction, and are a plurality of heating arc board (3) are around furnace body (1) circumferencial direction evenly distributed, connecting plate (4) are connected two adjacent heating arc boards (3) and are close to the one end of each other, and are a plurality of form S-shaped electrically conductive path between heating arc board (3) and a plurality of connecting plate (4), and are a plurality of form heating space (5) between heating arc board (3).
2. The vacuum furnace heating system according to claim 1, wherein: heating arc board (3) length direction both ends all are equipped with spliced pole (31), spliced pole (31) set up along heating arc board (3) length direction, connecting hole (41) are all seted up at the both ends of connecting plate (4), spliced pole (31) and connecting hole (41) cooperation of pegging graft, one end threaded connection nut (32) of heating arc board (3) are kept away from in spliced pole (31), nut (32) are contradicted with connecting plate (4).
3. A vacuum furnace heating system according to claim 2, characterized in that: heating arc board (3) length direction's both ends all are equipped with constant head tank (33), one side that connecting plate (4) are close to heating arc board (3) is equipped with locating piece (42), locating piece (42) and constant head tank (33) cooperation of pegging graft.
4. A vacuum furnace heating system according to claim 3, wherein: one end of the positioning block (42) close to the connecting plate (4) is larger than one end of the positioning block far away from the connecting plate (4).
5. A vacuum furnace heating system according to claim 2, characterized in that: one side of the connecting plate (4) close to the inner wall of the furnace body (1) is flushed with one side of the heating arc plate (3) far away from the inner wall of the furnace body (1), and one side of the connecting plate (4) far away from the inner wall of the furnace body (1) is flushed with one side of the heating arc plate (3) far away from the inner wall of the furnace body (1).
6. The vacuum furnace heating system according to claim 1, wherein: one side that heating arc board (3) are close to furnace body (1) inner wall all is equipped with connecting axle (6), connecting axle (6) set up along heating arc board (3) length direction, be equipped with a plurality of fixed blocks (7) on the inner wall of furnace body (1), inserting groove (71) are seted up along the length direction of connecting axle (6) on fixed block (7), connecting axle (6) and inserting groove (71) are pegged graft the cooperation.
7. The vacuum furnace heating system according to claim 6, wherein: and a connecting block (8) is arranged between the connecting shaft (6) and the heating arc plate (3), and the connecting block (8) is arranged along the axis direction of the connecting shaft (6).
8. The vacuum furnace heating system according to claim 7, wherein: a plurality of arc-shaped convex blocks (72) are arranged on the inner wall of the insertion groove (71), and the arc-shaped convex blocks (72) are abutted against the connecting shaft (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120442771.1U CN214327810U (en) | 2021-03-01 | 2021-03-01 | Vacuum furnace heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120442771.1U CN214327810U (en) | 2021-03-01 | 2021-03-01 | Vacuum furnace heating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214327810U true CN214327810U (en) | 2021-10-01 |
Family
ID=77886192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120442771.1U Active CN214327810U (en) | 2021-03-01 | 2021-03-01 | Vacuum furnace heating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214327810U (en) |
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2021
- 2021-03-01 CN CN202120442771.1U patent/CN214327810U/en active Active
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