CN214655198U - Vacuum pressure type ion nitriding furnace - Google Patents
Vacuum pressure type ion nitriding furnace Download PDFInfo
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- CN214655198U CN214655198U CN202120620245.XU CN202120620245U CN214655198U CN 214655198 U CN214655198 U CN 214655198U CN 202120620245 U CN202120620245 U CN 202120620245U CN 214655198 U CN214655198 U CN 214655198U
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Abstract
The utility model discloses a vacuum pressure formula ion nitriding furnace, the induction cooker comprises a cooker bod, the first sealed piece of the even fixed connection multiunit in furnace body lateral wall upper portion, the furnace body top is rotated and is connected with a set of seal cap, seal cap top fixedly connected with air filler pipe, the first sealed piece of going up of the even fixed connection multiunit in seal cap lateral wall lower part, equal longitudinal sliding connection is with a set of first bidirectional butt joint threaded rod between first sealed piece and the first sealed piece down. The utility model discloses in, at first through install a set of aspiration pump additional in the bottom of furnace body bottom, extract through adding the residual gas after the exhaust tube on the aspiration pump is accomplished to furnace body work, the gas of extraction is through adding after the compression pump compression inside the furnace body, and the transport is carried out and is stored in the gas storage tank again, has avoided the residual gas to discharge into the atmosphere, causes the harm to the environment, has also indirectly reduced residual gas's later maintenance time, is worth wideling popularize.
Description
Technical Field
The utility model relates to a heat treatment equipment technical field especially relates to a vacuum pressure formula ion nitriding furnace.
Background
The nitriding treatment refers to a chemical heat treatment process for making nitrogen atoms penetrate into the surface layer of a workpiece in a certain medium at a certain temperature. The product after nitriding treatment has the characteristics of excellent wear resistance, fatigue resistance, corrosion resistance and high temperature resistance. The nitriding treatment has three processes: (1) along with the increase of the temperature, the decomposition degree of ammonia is increased to generate active nitrogen atoms; (2) absorbing nitrogen atoms on the surface of the steel, dissolving to form a saturated solid solution, and then forming nitride; (3) the ion nitriding furnace ionizes nitrogen-containing thin gas in a vacuum container in a direct current electric field, positive ions bombard the surface of a metal part to form a nitrided layer so as to achieve surface hardening equipment, and the ion nitriding has obvious nitriding effect on nodular cast iron, alloy steel, stainless steel, powder metallurgy products, titanium alloy, high-speed steel, tool steel and the like.
A large amount of waste gas is generated after nitriding in the nitriding furnace, and the existing nitriding furnace can not treat the waste gas and directly discharge the waste gas, so that serious pollution is caused to air.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a vacuum pressure type ion nitriding furnace.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a vacuum pressure type ion nitriding furnace comprises a furnace body, wherein a plurality of groups of first lower sealing blocks are uniformly and fixedly connected to the upper part of the outer side wall of the furnace body, a group of sealing top covers are rotatably connected to the top of the furnace body, an air filling pipe is fixedly connected to the top of each sealing top cover, a plurality of groups of first upper sealing blocks are uniformly and fixedly connected to the lower part of the outer side wall of each sealing top cover, a same group of first bidirectional butt joint threaded rods are longitudinally and slidably connected between the first upper sealing blocks and the first lower sealing blocks, a group of fixing nuts are respectively and threadedly connected to the tops and bottoms of all the first bidirectional butt joint threaded rods, a sealing bottom cover is rotatably connected to the bottom of the furnace body, a plurality of groups of second upper sealing blocks are uniformly and fixedly connected to the lower part of the outer side wall of the furnace body, a plurality of second lower sealing blocks are uniformly and longitudinally and slidably connected to a same group of second bidirectional butt joint threaded rods, all the top and the bottom of the second bidirectional butt joint threaded rod are in threaded connection with a set of fixing nuts, a protection mesh enclosure is fixedly connected to the left of the top wall inside the sealing bottom cover, an air pump is fixedly connected to the left of the bottom wall inside the sealing bottom cover, an air exhaust pipe is fixedly connected to the top of the air exhaust pump, a compression pump is fixedly connected to the outer side of the bottom wall inside the sealing bottom cover, an air guide pipe is fixedly connected between the compression pump and the air exhaust pump, a gas storage tank is fixedly connected to the right of the bottom wall inside the sealing bottom cover, a detection pipe is fixedly connected to the center of the bottom wall of the sealing bottom cover, a fixing base is fixedly connected to the top of the sealing bottom cover, an observation groove is formed in the right side of the fixing base, and a working bin is arranged inside the furnace body.
As a further description of the above technical solution:
the gas filling pipe longitudinally penetrates through the sealing top cover and extends into the furnace body.
As a further description of the above technical solution:
all the first bidirectional butt joint threaded rods respectively longitudinally penetrate through the group of first upper sealing blocks and the group of first lower sealing blocks.
As a further description of the above technical solution:
and all the second bidirectional butt joint threaded rods respectively longitudinally penetrate through the group of second upper sealing blocks and the group of second lower sealing blocks.
As a further description of the above technical solution:
the exhaust tube longitudinally penetrates through the top wall of the sealing bottom cover and extends into the protective net cover.
As a further description of the above technical solution:
the detection tube longitudinally penetrates through the top wall and the bottom wall of the sealing bottom cover.
As a further description of the above technical solution:
the observation groove transversely penetrates through the right wall of the fixed base.
The utility model discloses following beneficial effect has:
the utility model discloses in, at first through install a set of aspiration pump additional in the bottom of furnace body bottom, extract through adding the residual gas after the exhaust tube on the aspiration pump is accomplished to furnace body work, the gas of extraction is through adding after the compression pump compression inside the furnace body, and the transport is carried out and is stored in the gas storage tank again, has avoided the residual gas to discharge into the atmosphere, causes the harm to the environment, has also indirectly reduced residual gas's later maintenance time, is worth wideling popularize.
Drawings
FIG. 1 is an isometric view of a vacuum pressure type ion nitriding furnace according to the present invention;
FIG. 2 is a front view of a vacuum pressure type ion nitriding furnace according to the present invention;
fig. 3 is a schematic front view of a vacuum pressure type ion nitriding furnace according to the present invention.
Illustration of the drawings:
1. a furnace body; 2. sealing the top cover; 3. sealing the bottom cover; 4. an air adding pipe; 5. a fixed base; 6. an observation tank; 7. a first upper seal block; 8. a first bi-directional docking threaded rod; 9. a first lower seal block; 10. fixing a nut; 11. a second upper seal block; 12. a second lower seal block; 13. a second bidirectional butt threaded rod; 14. a working bin; 15. a gas storage tank; 16. a compression pump; 17. an air pump; 18. an air exhaust pipe; 19. a protective mesh enclosure; 20. and (6) detecting the tube.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-3, the present invention provides an embodiment: a vacuum pressure type ion nitriding furnace comprises a furnace body 1, a plurality of groups of first lower sealing blocks 9 are uniformly and fixedly connected on the upper part of the outer side wall of the furnace body 1, a group of sealing top covers 2 are rotatably connected on the top of the furnace body 1, a gas adding pipe 4 is fixedly connected on the top of each sealing top cover 2, a plurality of groups of first upper sealing blocks 7 are uniformly and fixedly connected on the lower part of the outer side wall of each sealing top cover 2, a same group of first bidirectional butt joint threaded rods 8 are longitudinally and slidably connected between each first upper sealing block 7 and each first lower sealing block 9, a group of fixing nuts 10 are respectively and threadedly connected on the tops and bottoms of all the first bidirectional butt joint threaded rods 8, a sealing bottom cover 3 is rotatably connected on the bottom of the furnace body 1, a plurality of groups of second upper sealing blocks 11 are uniformly and fixedly connected on the lower part of the outer side wall of the furnace body 1, a plurality of second lower sealing blocks 12 are longitudinally and slidably connected with a same group of second bidirectional butt joint threaded rods 13, all the second bidirectional butt joint threaded rods 13 are connected with a group of fixing nuts 10 through threads at the top and the bottom, the left part of the top wall inside the sealing bottom cover 3 is fixedly connected with a protective net cover 19, the left part of the bottom wall inside the sealing bottom cover 3 is fixedly connected with an air pump 17, the top of the air pump 17 is fixedly connected with an air exhaust pipe 18, the middle and outer sides of the bottom wall inside the sealing bottom cover 3 are fixedly connected with a compression pump 16, an air guide pipe is fixedly connected between the compression pump 16 and the air pump 17, the right part of the bottom wall inside the sealing bottom cover 3 is fixedly connected with an air storage tank 15, the center of the bottom wall of the sealing bottom cover 3 is fixedly connected with a detection pipe 20, the top of the sealing bottom cover 3 is fixedly connected with a fixing base 5, the right side of the fixing base 5 is provided with an observation groove 6, a working bin 14 is arranged inside the furnace body 1, the sealing top cover 2 is opened through rotation, an object to be nitrided is placed into the nitriding furnace body 1, the sealing top cover 2 is closed, and the plurality of first bidirectional butt joint threaded rods 8 are utilized, First upper seal piece 7 and first lower seal piece 9 make seal cover 2 and furnace body 1 sealed fixed, the ammonia is added to furnace body 1 in to rethread air entrainment pipe 4, carry out ionization nitriding treatment, install a set of aspiration pump 17 additional in the bottom of furnace body 1 bottom, extract the residual gas after the work is accomplished to furnace body 1 through the aspiration tube 18 that installs additional on aspiration pump 17, the gas of extraction is through installing additional the compression pump 16 compression back in furnace body 1 inside, carry again and store in carrying out the gas storage tank 15, avoided the residual gas to discharge into the atmosphere, cause the harm to the environment, the later maintenance time of residual gas has also indirectly been reduced.
The air adding pipe 4 longitudinally penetrates through the sealing top cover 2 and extends into the furnace body 1, all first bidirectional butt joint threaded rods 8 respectively longitudinally penetrate through a group of first upper sealing blocks 7 and a group of first lower sealing blocks 9, all second bidirectional butt joint threaded rods 13 respectively longitudinally penetrate through a group of second upper sealing blocks 11 and a group of second lower sealing blocks 12, the air exhaust pipe 18 longitudinally penetrates through the top wall of the sealing bottom cover 3 and extends into the protective mesh enclosure 19, the detection pipe 20 longitudinally penetrates through the top wall and the bottom wall of the sealing bottom cover 3, and the observation groove 6 transversely penetrates through the right wall of the fixed base 5.
The working principle is as follows: at first open seal top cap 2 through the rotation, the article that will need the nitrogenize is put into nitriding furnace body 1 in, seal top cap 2 is closed again, recycle the first two-way butt joint threaded rod 8 of multiunit, first upper seal piece 7 makes seal top cap 2 and furnace body 1 sealed fixed with first lower seal piece 9, rethread air entrainment pipe 4 adds the ammonia in to furnace body 1, carry out ionization nitriding treatment, install a set of aspiration pump 17 additional in the bottom of furnace body 1 bottom, extract the residual gas after the work of furnace body 1 is accomplished through installing aspiration tube 18 on aspiration pump 17 additional, the gas of extraction is through installing the compression pump 16 compression back at furnace body 1 inside additional, carry again and carry out storage in the gas storage tank 15, the residual gas emission has been avoided in the atmosphere, cause the harm to the environment, residual gas's later maintenance time has also been reduced indirectly.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (7)
1. The utility model provides a vacuum pressure formula ion nitriding furnace, includes furnace body (1), its characterized in that: the upper part of the outer side wall of the furnace body (1) is uniformly and fixedly connected with a plurality of groups of first lower sealing blocks (9), the top of the furnace body (1) is rotatably connected with a group of sealing top covers (2), the top of each sealing top cover (2) is fixedly connected with an air adding pipe (4), the lower parts of the outer side walls of the sealing top covers (2) are uniformly and fixedly connected with a plurality of groups of first upper sealing blocks (7), the first upper sealing blocks (7) and the first lower sealing blocks (9) are longitudinally and slidably connected with the same group of first bidirectional butt joint threaded rods (8), the top and the bottom of all the first bidirectional butt joint threaded rods (8) are respectively in threaded connection with a group of fixing nuts (10), the bottom of the furnace body (1) is rotatably connected with a sealing bottom cover (3), the lower part of the outer side wall of the furnace body (1) is uniformly and fixedly connected with a plurality of groups of second upper sealing blocks (11), the upper part of the outer side wall of the sealing bottom cover (3) is uniformly and fixedly connected with a plurality of groups of second lower sealing blocks (12), the second upper sealing block (11) and the second lower sealing block (12) are longitudinally slidably connected with the same group of second bidirectional butt joint threaded rods (13), the top and the bottom of all the second bidirectional butt joint threaded rods (13) are in threaded connection with a group of fixing nuts (10), the middle left part of the inner top wall of the sealing bottom cover (3) is fixedly connected with a protective net cover (19), the left part of the inner bottom wall of the sealing bottom cover (3) is fixedly connected with an air suction pump (17), the top of the air suction pump (17) is fixedly connected with an air suction pipe (18), the middle outer side of the inner bottom wall of the sealing bottom cover (3) is fixedly connected with a compression pump (16), an air guide pipe is fixedly connected between the compression pump (16) and the air suction pump (17), the right part of the inner bottom wall of the sealing bottom cover (3) is fixedly connected with an air storage tank (15), and the center of the bottom wall of the sealing bottom cover (3) is fixedly connected with a detection pipe (20), the top of the sealing bottom cover (3) is fixedly connected with a fixed base (5), the right side of the fixed base (5) is provided with an observation groove (6), and a working bin (14) is arranged inside the furnace body (1).
2. The vacuum pressure type ion nitriding furnace according to claim 1, wherein: the gas adding pipe (4) longitudinally penetrates through the sealing top cover (2) and extends into the furnace body (1).
3. The vacuum pressure type ion nitriding furnace according to claim 1, wherein: all the first bidirectional butt joint threaded rods (8) longitudinally penetrate through the first upper sealing blocks (7) and the first lower sealing blocks (9) respectively.
4. The vacuum pressure type ion nitriding furnace according to claim 1, wherein: all the second bidirectional butt joint threaded rods (13) longitudinally penetrate through the group of second upper sealing blocks (11) and the group of second lower sealing blocks (12) respectively.
5. The vacuum pressure type ion nitriding furnace according to claim 1, wherein: the air exhaust pipe (18) longitudinally penetrates through the top wall of the sealing bottom cover (3) and extends into the protective mesh enclosure (19).
6. The vacuum pressure type ion nitriding furnace according to claim 1, wherein: the detection tube (20) longitudinally penetrates through the top wall and the bottom wall of the sealing bottom cover (3).
7. The vacuum pressure type ion nitriding furnace according to claim 1, wherein: the observation groove (6) transversely penetrates through the right wall of the fixed base (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120620245.XU CN214655198U (en) | 2021-03-26 | 2021-03-26 | Vacuum pressure type ion nitriding furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120620245.XU CN214655198U (en) | 2021-03-26 | 2021-03-26 | Vacuum pressure type ion nitriding furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214655198U true CN214655198U (en) | 2021-11-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120620245.XU Active CN214655198U (en) | 2021-03-26 | 2021-03-26 | Vacuum pressure type ion nitriding furnace |
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| Country | Link |
|---|---|
| CN (1) | CN214655198U (en) |
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2021
- 2021-03-26 CN CN202120620245.XU patent/CN214655198U/en active Active
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