CN216514073U - Vacuum well type tank-free ion carburizing multipurpose furnace body - Google Patents
Vacuum well type tank-free ion carburizing multipurpose furnace body Download PDFInfo
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- CN216514073U CN216514073U CN202123074642.0U CN202123074642U CN216514073U CN 216514073 U CN216514073 U CN 216514073U CN 202123074642 U CN202123074642 U CN 202123074642U CN 216514073 U CN216514073 U CN 216514073U
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- side wall
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Abstract
The utility model discloses a vacuum well type can-free ion carburizing multipurpose furnace body, which relates to the technical field of heat treatment of the surface of a workpiece, and comprises a furnace body, wherein a firebrick layer is arranged on the inner wall of the furnace body, a furnace mouth is arranged at the central position of the top of the furnace body, an electric heating plate is arranged on the inner side wall of the firebrick layer, a storage rack is fixedly connected with the bottom wall of the firebrick layer, a bearing plate is fixedly connected with the top of the storage rack, a vacuum tube penetrates through the right side wall of the furnace body, the left end of the vacuum tube horizontally penetrates through the right side wall of the firebrick layer, the left end of the vacuum tube extends to the lower part of the inner part of the firebrick layer, the left end of the vacuum tube is positioned below the bearing plate, the right end of the vacuum tube is fixedly connected with a vacuum valve, and the top of the furnace body is connected with a furnace cover through a lifting mechanism. Novel structure, reasonable in design, the practicality is higher, suitable popularization.
Description
Technical Field
The utility model relates to the technical field of workpiece surface heat treatment, in particular to a vacuum well type can-free ion carburizing multipurpose furnace body.
Background
The vacuum well type tank-free ion carburizing multipurpose furnace is a heat treatment furnace which uses glow discharge to ionize carburizing gas in a vacuum container, and the generated carbon ions bombard the surface of charging materials under the action of an electric field to perform carburizing.
When the existing vacuum well type can-free ion carburizing multipurpose furnace body is used for carrying out heat treatment on the surface of a workpiece, the interior of the furnace body needs to be vacuumized firstly, so that protective gas needs to be introduced after the heat treatment on the surface of the workpiece is finished, the negative pressure in the furnace body is balanced, the furnace opening is convenient for taking materials, and the surface of the workpiece can also be protected.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a vacuum well type tank-free ion carburizing multipurpose furnace body, which solves the problems that when protective gas is introduced into the existing vacuum well type tank-free ion carburizing multipurpose furnace body in the background technology, the protective gas is mostly directly introduced through a pipeline, the speed is low, the furnace opening efficiency is not facilitated, and the distribution uniformity of the protective gas is not facilitated.
In order to achieve the purpose, the utility model provides the following technical scheme: a vacuum well type can-free ion carburizing multipurpose furnace body comprises a furnace body, a firebrick layer is arranged on the inner wall of the furnace body, a furnace mouth is arranged at the center of the top of the furnace body, an electric heating plate is arranged on the side wall inside the firebrick layer, a shelf is fixedly connected with the bottom wall inside the firebrick layer, a bearing plate is fixedly connected with the top of the shelf, a vacuum-pumping pipe penetrates through the right side wall of the furnace body, the left end of the vacuum-pumping pipe horizontally penetrates through the right side wall of the firebrick layer, the left end of the vacuum tube extends to the lower part of the inner part of the refractory brick layer, the left end of the vacuum tube is positioned below the bearing plate, the right end of the vacuum tube is fixedly connected with a vacuum valve, the top of the furnace body is connected with a furnace cover through a lifting mechanism, the bottom end of the furnace cover is positioned in a furnace opening, the left side of the furnace body is provided with a protective gas storage tank, the protective gas storage tank is connected with an evenly distributed gas mechanism through a pipeline, the evenly distributed gas mechanism is arranged inside the furnace body, and the evenly distributed gas mechanism is connected with an air cooling mechanism through a pipeline.
Preferably, evenly distributed gas mechanism includes gas transmission house steward, and gas transmission house steward left end welds with protective gas holding vessel right side wall top, and gas transmission house steward pipe shaft fixedly connected with first solenoid valve, gas transmission house steward right-hand member runs through furnace body left side wall, resistant firebrick layer left side wall in proper order, and gas transmission house steward right-hand member extends to the inside intermediate position in resistant firebrick layer.
Preferably, the gas transmission main pipe right-hand member welding has the gas transmission branch pipe, the vertical setting of gas transmission branch pipe is in the inside left side of firebrick layer, gas transmission branch pipe right side wall is by last to lower equidistant welding have a plurality of annular blast pipes, a plurality of annular blast pipe evenly distributed is in firebrick layer inside, every annular blast pipe inner ring wall all is circular array welding has a plurality of exhaust holes.
Preferably, the air cooling mechanism includes the draught fan, the welding of furnace body left side wall below has the backup pad, draught fan fixed connection is on the backup pad upper surface, draught fan output fixedly connected with defeated tuber pipe.
Preferably, the air delivery pipe body is fixedly connected with a second electromagnetic valve, the top end of the air delivery pipe is welded with the left side of the air delivery main pipe body, and the top end of the air delivery pipe is located on the right side of the first electromagnetic valve.
Preferably, the lifting mechanism comprises a hydraulic lifting device, the hydraulic lifting device is fixedly connected to the top end of the right side wall of the furnace body, the output end of the hydraulic lifting device is fixedly connected with a lifting rod, a connecting rod is welded to the top end of the lifting rod, and the left end of the connecting rod is welded to the center of the upper surface of the furnace cover.
Preferably, an annular sealing gasket is bonded on the side wall of the furnace opening, and the inner annular wall of the annular sealing gasket is attached to the side wall of the bottom end of the furnace cover.
Compared with the prior art, the utility model has the beneficial effects that:
1. through the matching use of the uniformly distributed gas mechanism, the protective gas in the protective gas storage tank can be discharged into the furnace body through the plurality of exhaust holes, so that the protective gas can uniformly and quickly enter the furnace body, the negative pressure in the furnace body can be quickly balanced, the furnace opening efficiency is facilitated, and the distribution uniformity of the protective gas in the furnace body is facilitated;
2. the cooperation through the forced air cooling mechanism that is equipped with is used for inside cold wind that the draught fan produced also can just evenly enter into the furnace body fast through evenly distributed gas mechanism, then is discharged by the vacuum tube, thereby takes away the heat in the furnace body inside, reaches the effect of forced air cooling, novel structure, reasonable in design, the practicality is higher, suitable popularization.
Drawings
FIG. 1 is a structural cross-sectional view of the present invention;
FIG. 2 is a front view of the structure of the present invention;
FIG. 3 is a schematic three-dimensional structure of the uniform gas distribution mechanism of the present invention;
fig. 4 is an enlarged view of a portion a in fig. 1.
In the figure: 1. a furnace body; 2. a refractory brick layer; 3. an electrical heating plate; 4. a shelf; 5. a carrier plate; 6. vacuumizing a tube; 7. a vacuum valve; 8. a furnace cover; 9. a shielding gas storage tank; 10. a gas transmission main pipe; 11. a first solenoid valve; 12. a gas delivery branch pipe; 13. an annular exhaust pipe; 14. an exhaust hole; 15. a support plate; 16. an induced draft fan; 17. a wind delivery pipe; 18. a second solenoid valve; 19. a hydraulic lifting device; 20. a lifting rod; 21. a connecting rod; 22. a furnace mouth; 23. an annular seal.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The utility model provides the following technical scheme: referring to fig. 1-4, a vacuum well type can-free ion carburizing multipurpose furnace body comprises a furnace body 1, a firebrick layer 2 is arranged on the inner wall of the furnace body 1, which can insulate heat and preserve heat, and is beneficial to keeping high temperature inside the furnace body 1, a furnace mouth 22 is arranged at the center of the top of the furnace body 1, an electric heating plate 3 is arranged on the inner side wall of the firebrick layer 2, the electric heating plate 3 is composed of an electric heating wire and a radiant tube, the electric heating wire is electrically connected with an industrial power supply to generate heat energy, so as to heat the inside of the furnace body 1 to a required temperature, a shelf 4 is fixedly connected to the bottom wall inside the firebrick layer 2, a bearing plate 5 is fixedly connected to the top of the shelf 4, which can be used for bearing a workpiece requiring surface heat treatment, a vacuum tube 6 penetrates through the right side wall of the furnace body 1, the left end of the vacuum tube 6 horizontally penetrates through the right side wall of the firebrick layer 2, and the left end of the vacuum tube 6 extends to the lower part inside the firebrick layer 2, the left end of the vacuum tube 6 is positioned below the bearing plate 5, the right end of the vacuum tube 6 is fixedly connected with the vacuum valve 7, so that a worker can use a roots pump to vacuumize the interior of the furnace body 1 through the vacuum tube 6, then the vacuum valve 7 is closed to maintain the vacuum degree of the interior of the furnace body 1, the top of the furnace body 1 is connected with the furnace cover 8 through the lifting mechanism, the lifting mechanism comprises a hydraulic lifting device 19, the hydraulic lifting device 19 is fixedly connected to the top end of the right side wall of the furnace body 1, the output end of the hydraulic lifting device 19 is fixedly connected with a lifting rod 20, the top end of the lifting rod 20 is welded with a connecting rod 21, the left end of the connecting rod 21 is welded at the central position of the upper surface of the furnace cover 8, when the hydraulic lifting device 20 does work, the connecting rod 21 can be driven to move up and down through the lifting rod 20, so as to drive the furnace cover 2 to move up and down, namely, the furnace opening and closing operation are carried out, and the bottom end of the furnace cover 8 is positioned inside the furnace opening 22, an annular sealing gasket 23 is bonded on the side wall of the furnace opening 22, the inner annular wall of the annular sealing gasket 23 is attached to the side wall of the bottom end of the furnace cover 8, the sealing performance inside the furnace body 1 is guaranteed, a protective gas storage tank 9 is arranged on the left side of the furnace body 1 and can be used for storing required protective gas, the protective gas storage tank 9 is connected with an evenly-distributed gas mechanism through a pipeline, the evenly-distributed gas mechanism is arranged inside the furnace body 1, and the evenly-distributed gas mechanism is further connected with an air cooling mechanism through a pipeline;
the uniformly distributed gas mechanism comprises a gas transmission main pipe 10, the left end of the gas transmission main pipe 10 is welded with the top end of the right side wall of a protective gas storage tank 9, a first electromagnetic valve 11 is fixedly connected to the pipe body of the gas transmission main pipe 10, the right end of the gas transmission main pipe 10 sequentially penetrates through the left side wall of the furnace body 1 and the left side wall of the refractory brick layer 2, the right end of the gas transmission main pipe 10 extends to the middle position inside the refractory brick layer 2, a gas transmission branch pipe 12 is welded to the right end of the gas transmission main pipe 10, the gas transmission branch pipe 12 is vertically arranged on the left side inside the refractory brick layer 2, a plurality of annular exhaust pipes 13 are welded on the right side wall of the gas transmission branch pipe 12 at equal intervals from top to bottom, the plurality of annular exhaust pipes 13 are uniformly distributed inside the refractory brick layer 2, a plurality of exhaust holes 14 are welded on the inner annular wall of each annular exhaust pipe 13 in a circular array, when a worker opens the first electromagnetic valve 11, because of negative pressure inside the furnace body 1, the protective gas in the protective gas storage tank 9 can enter the gas transmission main pipe 12, then the gas is divided by the gas transmission branch pipes 12 and enters the plurality of annular exhaust pipes 13, and then the gas is discharged by the plurality of exhaust holes 14 arranged on the annular exhaust pipes 13, so that the gas uniformly and quickly enters the furnace body 1, the negative pressure in the furnace body 1 is quickly balanced, the blow-in efficiency is favorable, and the distribution uniformity of the protective gas in the furnace body 1 is favorable;
the air cooling mechanism comprises an induced draft fan 16, a supporting plate 15 is welded below the left side wall of the furnace body 1, the induced draft fan 16 is fixedly connected to the upper surface of the supporting plate 15, an air delivery pipe 17 is fixedly connected to the output end of the induced draft fan 16, a second electromagnetic valve 18 is fixedly connected to the pipe body of the air delivery pipe 17, the top end of the air delivery pipe 17 is welded to the left side of the pipe body of the air delivery main pipe 10, and the top end of the air delivery pipe 17 is positioned on the right side of the first electromagnetic valve 11, so that when the interior of the furnace body 1 needs to be cooled after the furnace is started, a worker can close the first electromagnetic valve 11, open the second electromagnetic valve 18 and the vacuum valve 7, then open the induced draft fan 16, so that cold air generated by the induced draft fan 16 can rapidly and uniformly enter the interior of the furnace body 1 through the uniformly distributed air mechanism, and then is discharged through the vacuum pipe 6, thereby taking away the heat in the interior of the furnace body 1, achieving the effect of air cooling, the novel structure, the reasonable design and the high practicability, is suitable for popularization.
The working principle is as follows: when a furnace needs to be opened after the heat treatment operation of the surface of the workpiece is finished, a worker can open the first electromagnetic valve 11, when the worker opens the first electromagnetic valve 11, due to the negative pressure inside the furnace body 1, the protective gas in the protective gas storage tank 9 enters the gas transmission branch pipes 12 through the gas transmission main pipe 10, then enters the plurality of annular exhaust pipes 13 in a shunting manner through the gas transmission branch pipes 12, and is then discharged through the plurality of exhaust holes 14 arranged on the annular exhaust pipes 13, so that the protective gas uniformly and quickly enters the furnace body 1, the negative pressure inside the furnace body 1 is quickly balanced, the furnace opening efficiency is improved, and the distribution uniformity of the protective gas inside the furnace body 1 is improved;
when opening the stove after, when needing to the inside cooling of furnace body 1, the staff can close first solenoid valve 11, open second solenoid valve 18 and vacuum valve 7, then open draught fan 16 again for the cold wind that draught fan 16 produced is through evenly distributed gas mechanism fast and evenly enter into furnace body 1 inside, then discharge by vacuum tube 6, thereby take away the heat of furnace body 1 inside, reach the effect of forced air cooling, novel structure, reasonable in design, the practicality is higher, suitable popularization.
While the utility model has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the various features of the embodiments disclosed herein may be used in any combination, provided that there is no structural conflict, and the combinations are not exhaustively described in this specification merely for the sake of brevity and conservation of resources. Therefore, it is intended that the utility model not be limited to the particular embodiments disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
Claims (7)
1. A vacuum well type can-free ion carburizing multipurpose furnace body comprises a furnace body (1), wherein a firebrick layer (2) is arranged on the inner wall of the furnace body (1), a furnace opening (22) is arranged at the center position of the top of the furnace body (1), an electric heating plate (3) is arranged on the inner side wall of the firebrick layer (2), a shelf (4) is fixedly connected with the inner bottom wall of the firebrick layer (2), a bearing plate (5) is fixedly connected with the top of the shelf (4), a vacuumizing tube (6) penetrates through the right side wall of the furnace body (1), the left end of the vacuumizing tube (6) horizontally penetrates through the right side wall of the firebrick layer (2), the left end of the vacuumizing tube (6) extends to the inner lower part of the firebrick layer (2), the left end of the vacuumizing tube (6) is positioned below the bearing plate (5), the right end of the vacuumizing tube (6) is fixedly connected with a vacuum valve (7), the top of the furnace body (1) is connected with a furnace cover (8) through a lifting mechanism, and the bottom end of the furnace cover (8) is positioned inside the furnace opening (22), furnace body (1) left side is equipped with protective gas holding vessel (9), its characterized in that: the protective gas storage tank (9) is connected with an evenly distributed gas mechanism through a pipeline, the evenly distributed gas mechanism is arranged inside the furnace body (1), and the evenly distributed gas mechanism is connected with an air cooling mechanism through a pipeline.
2. The vacuum well type can-free ion carburizing multipurpose furnace body according to claim 1, characterized in that: evenly distributed gas mechanism includes gas transmission house steward (10), and gas transmission house steward (10) left end welds with protective gas holding vessel (9) right side wall top end, and first solenoid valve (11) of gas transmission house steward (10) pipe shaft fixedly connected with, gas transmission house steward (10) right-hand member runs through furnace body (1) left side wall, firebrick layer (2) left side wall in proper order, and gas transmission house steward (10) right-hand member extends to the inside intermediate position of firebrick layer (2).
3. The vacuum well type can-free ion carburizing multipurpose furnace body according to claim 2, characterized in that: gas transmission house steward (10) right-hand member welding has gas transmission branch pipe (12), gas transmission branch pipe (12) vertical setting is in the inside left side of firebrick layer (2), gas transmission branch pipe (12) right side wall is by last to lower equidistant welding have a plurality of annular exhaust pipe (13), and is a plurality of annular exhaust pipe (13) evenly distributed is inside firebrick layer (2), every annular exhaust pipe (13) inner ring wall all is circular array welding and has a plurality of exhaust holes (14).
4. The vacuum well type can-free ion carburizing multipurpose furnace body according to claim 1, characterized in that: the air cooling mechanism comprises an induced draft fan (16), a supporting plate (15) is welded below the left side wall of the furnace body (1), the induced draft fan (16) is fixedly connected to the upper surface of the supporting plate (15), and an air delivery pipe (17) is fixedly connected to the output end of the induced draft fan (16).
5. The vacuum well type can-free ion carburizing multipurpose furnace body according to claim 4, characterized in that: the air delivery pipe (17) is fixedly connected with a second electromagnetic valve (18), the top end of the air delivery pipe (17) is welded with the left side of the air delivery main pipe (10), and the top end of the air delivery pipe (17) is located on the right side of the first electromagnetic valve (11).
6. The vacuum well type can-free ion carburizing multipurpose furnace body according to claim 1, characterized in that: elevating system includes hydraulic pressure elevating gear (19), hydraulic pressure elevating gear (19) fixed connection is on furnace body (1) right side wall top, hydraulic pressure elevating gear (19) output end fixed connection has lifter (20), the welding of lifter (20) top has connecting rod (21), the welding of connecting rod (21) left end is put at bell (8) upper surface central point.
7. The vacuum well type can-free ion carburizing multipurpose furnace body according to claim 1, characterized in that: the side wall of the furnace mouth (22) is bonded with an annular sealing gasket (23), and the inner annular wall of the annular sealing gasket (23) is attached to the side wall of the bottom end of the furnace cover (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123074642.0U CN216514073U (en) | 2021-12-09 | 2021-12-09 | Vacuum well type tank-free ion carburizing multipurpose furnace body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123074642.0U CN216514073U (en) | 2021-12-09 | 2021-12-09 | Vacuum well type tank-free ion carburizing multipurpose furnace body |
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| Publication Number | Publication Date |
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| CN216514073U true CN216514073U (en) | 2022-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123074642.0U Active CN216514073U (en) | 2021-12-09 | 2021-12-09 | Vacuum well type tank-free ion carburizing multipurpose furnace body |
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| CN (1) | CN216514073U (en) |
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2021
- 2021-12-09 CN CN202123074642.0U patent/CN216514073U/en active Active
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