CN221071624U - Carburizing furnace convenient to preheat - Google Patents
Carburizing furnace convenient to preheat Download PDFInfo
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- CN221071624U CN221071624U CN202322776402.8U CN202322776402U CN221071624U CN 221071624 U CN221071624 U CN 221071624U CN 202322776402 U CN202322776402 U CN 202322776402U CN 221071624 U CN221071624 U CN 221071624U
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- barrel
- carburizing
- preheating
- wall
- preheat
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- 238000005255 carburizing Methods 0.000 title claims abstract description 64
- 239000007789 gas Substances 0.000 claims description 34
- 238000005485 electric heating Methods 0.000 claims description 22
- 238000010438 heat treatment Methods 0.000 claims description 22
- 238000010285 flame spraying Methods 0.000 claims description 10
- 238000009413 insulation Methods 0.000 claims description 9
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 5
- 239000002737 fuel gas Substances 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 17
- 229910052799 carbon Inorganic materials 0.000 abstract description 17
- 229910052751 metal Inorganic materials 0.000 abstract description 12
- 239000002184 metal Substances 0.000 abstract description 12
- 238000003763 carbonization Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000000630 rising effect Effects 0.000 abstract description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 abstract 1
- 239000003063 flame retardant Substances 0.000 abstract 1
- 230000001360 synchronised effect Effects 0.000 abstract 1
- 238000004321 preservation Methods 0.000 description 7
- 239000007769 metal material Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 239000002657 fibrous material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
Landscapes
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
Abstract
The utility model discloses a carburizing furnace convenient to preheat, and belongs to the technical field of metal carburization. Including preheating the bucket, it is provided with controller one to preheat the bucket outer wall, it is provided with rotating electrical machines to preheat the bucket top, a plurality of rotating electrical machines output is connected with the gear roller, the motor output is connected with the fan blade, a plurality of flame-retardant heads cooperate electrothermal tube pair work piece to carry out combined type intensification and preheat, can drive the place platform synchronous revolution who carries the work piece when rising the temperature and preheat, the effectual homogeneity that has promoted the work piece and preheat, and promote its efficiency of preheating, can rise after preheating and carry out carburization, through a plurality of fan blade rotatory cooperation porous gas-supply pipe, can make the gaseous evenly distributed of carbon source inside the carburization bucket, increase carburization layer's thickness and homogeneity, and provide bigger air current and more carbon source gas, accelerate the progression of carbonization, thereby shorten carburization time, improve its production efficiency.
Description
Technical Field
The utility model relates to the technical field of metal carburization, in particular to a carburizing furnace convenient for preheating.
Background
Carburization is a surface treatment process, and carbon elements are added to the surface of a metal material to form a carbon-rich solid solution layer on the surface of the metal material, so that the hardness, wear resistance and corrosion resistance of the material are improved.
When the metal workpiece is carburized, a carburizing furnace is used, a high-temperature heating mode is generally adopted in the carburizing furnace, a metal material is placed in a hearth, after the metal material is heated to a certain temperature, a carbon source is introduced to enable the metal material to react with the metal surface, and carbon elements are infiltrated into the metal material surface.
The existing carburizing furnace still has the following problems: the existing carburizing furnace needs to heat carburized workpieces before carburizing the metal parts, but the existing carburizing furnace is inconvenient to operate when preheating the workpieces, has poor preheating effect and is not ideal in efficiency;
when a metal workpiece enters the carburizing furnace to be heated and carburized, carbon source gas is often injected into the metal workpiece and heated to enable the metal surface to be in contact with carbon atoms decomposed by the metal workpiece, but a mode of directly injecting the carbon source gas to be heated and carburized is poor in carburization efficiency, unsatisfactory in carburization uniformity of the workpiece and easy to influence carburization quality.
In view of this, we propose a carburizing furnace that facilitates preheating.
Disclosure of utility model
1. Technical problem to be solved
The utility model aims to provide a carburizing furnace convenient for preheating, so as to solve the problems of poor preheating efficiency and poor carburizing efficiency in the prior art.
2. Technical proposal
The carburizing furnace comprises a preheating barrel, wherein a first controller is arranged on the outer wall of the preheating barrel, a flame spraying head is arranged on the inner wall of the preheating barrel, a gas conveying pipe is respectively arranged behind a plurality of flame spraying heads, a first heating cavity is formed in the outer wall of the preheating barrel, an electric heating pipe electrically connected with the first controller is arranged in the first heating cavity, and a first heat preservation sleeve is sleeved on the outer wall of the preheating barrel;
The electric lifting rods are arranged at the bottom of the inner cavity of the preheating barrel, the output ends of the electric lifting rods are connected with gear plates, a rotating motor is arranged at the top of the preheating barrel, the output ends of a plurality of rotating motors are connected with gear rollers, and the gear rollers are connected with the gear plates in a meshed mode;
The top of the preheating barrel is further provided with a carburizing barrel, a heating cavity II is formed in the outer wall of the carburizing barrel, an electric heating tube II is arranged in the heating cavity II, the outer wall of the carburizing barrel is further sleeved with a heat preservation sleeve II, the inner wall of the carburizing barrel is provided with a limiting ring, the outer wall of the carburizing barrel is further provided with a controller II which is electrically connected with the electric heating tube II, and the heat preservation sleeve I and the heat preservation sleeve II are made of aluminum silicate fiber materials;
The cover plate is clamped at the top of the carburizing barrel, a hook and a motor are arranged at the top of the cover plate, and a fan blade is connected to the output end of the motor.
Preferably, the outer walls of the two sides of the carburizing barrel are connected with gas pipes in a penetrating manner, and a plurality of gas transmission holes are formed in the rear outer wall of the gas pipes extending to the inside of the carburizing barrel.
Preferably, a placing platform is arranged at the top of the gear disc, and a groove body is formed in the top of the placing platform.
Preferably, a through opening is formed in the bottom of the carburizing barrel, and the through opening is matched with the placing platform.
Preferably, a sliding door is arranged on the outer wall of the front of the preheating barrel, and the sliding door is made of aluminum silicate plates.
3. Advantageous effects
Compared with the prior art, the utility model has the advantages that: when the workpiece is required to be preheated, the workpiece is placed at the top of the placing platform, a plurality of flame-spraying heads are matched with an electric heating tube to carry out composite heating preheating on the workpiece, a rotating motor can be used for driving a gear roller to rotate while heating and preheating are carried out, and at the moment, a gear plate can drive the placing platform carrying the workpiece to synchronously rotate, so that the preheating uniformity of the workpiece is effectively improved, and the preheating efficiency of the workpiece is improved;
After the preheating of the workpiece is completed, the electric lifting rod can be directly utilized to drive the preheated workpiece to rise, the gear plate can be propped against the top of the inner cavity of the preheating barrel after rising to the limit position, at the moment, the temperature inside the carburizing barrel is raised by utilizing the electric heating tube II, then the carbon source gas is injected into the inside of the carburizing barrel by utilizing the gas pipe, the motor drives the plurality of blades to rotate to be matched with the porous gas pipe, so that the carbon source gas is uniformly distributed inside the carburizing barrel, the thickness and uniformity of a carburized layer are increased, the problem of non-uniform carburization is avoided, and the blades and the porous gas pipe can provide larger airflow and more carbon source gas to accelerate the carbonization reaction, thereby shortening the carburization time and improving the production efficiency of the carburizing barrel.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of the overall internal structure of the present utility model;
FIG. 3 is a schematic view of the top cut-away structure of the preheating barrel of the present utility model;
FIG. 4 is a schematic diagram of a top cut-away structure of a carburizing barrel of the present utility model;
The reference numerals in the figures illustrate: 100. preheating a barrel; 110. a first controller; 120. a flame spraying head; 121. a gas delivery pipe; 130. a heating cavity I; 131. an electric heating tube I; 131. a first heat preservation sleeve; 200. an electric lifting rod; 210. a gear plate; 220. placing a platform; 230. a rotating electric machine; 240. a gear roller; 300. carburizing barrels; 310. a heating cavity II; 320. an electric heating tube II; 330. a second heat preservation sleeve; 340. a limiting ring; 350. a second controller; 360. a gas pipe; 400. a cover plate; 410. a hook; 420. a motor; 430. and (5) a fan blade.
Detailed Description
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1-4, the present utility model provides a technical solution:
The carburizing furnace convenient to preheat comprises a preheating barrel 100, wherein a first controller 110 is arranged on the outer wall of the preheating barrel 100, flame spraying heads 120 are arranged on the inner wall of the preheating barrel 100, gas conveying pipes 121 are respectively arranged behind the plurality of flame spraying heads 120, a first heating cavity 130 is formed in the outer wall of the preheating barrel 100, an electric heating tube 131 electrically connected with the first controller 110 is arranged in the first heating cavity 130, and a first heat preservation sleeve 140 is sleeved on the outer wall of the preheating barrel 100;
In some embodiments: the flame spraying head 120 is used for conveying external fuel gas to the nozzle through the fuel gas conveying pipe 121, one or more small holes are formed in the nozzle, the fuel gas is sprayed out through the small holes, meanwhile, an air hole is formed around the nozzle, air enters the nozzle through the hole and is mixed with the sprayed fuel gas to form a combustible gas mixture, when the mixture reaches a certain concentration, the mixture is ignited near the nozzle to form flame, and an ignition device is also arranged on the flame spraying head to conveniently preheat a metal workpiece.
In some embodiments: the first electric heating tube 131 and the second electric heating tube 320 are devices capable of generating heat, and are generally composed of one or more heating wires, the first controller 110 and the second controller 350 are used for controlling the heating temperature of the electric heating tube, and all belong to the prior art, the first electric heating tube 131 is mainly matched with the fire nozzle 120 to preheat a metal workpiece, and the second electric heating tube 320 is mainly used for heating the workpiece and carbon source gas so as to achieve the purpose of carburizing.
An electric lifting rod 200 is arranged at the bottom of the inner cavity of the preheating barrel 100, the output end of the electric lifting rod 200 is connected with a gear disc 210, a rotating motor 230 is arranged at the top of the preheating barrel 100, the output ends of the rotating motors 230 are connected with gear rollers 240, and the gear rollers 240 are in meshed connection with the gear disc 210;
In some embodiments: the gear roller 240 can be utilized to drive the gear plate 210 to rotate for achieving the purposes of uniform preheating and carburization, and the lifting purpose of the electric lifting rod 200 cannot be affected in the lifting process due to the fact that the gear roller 240 is in meshed connection with the gear plate 210.
The top of the preheating barrel 100 is also provided with a carburizing barrel 300, a heating cavity II 310 is formed in the outer wall of the carburizing barrel 300, an electric heating tube II 320 is arranged in the heating cavity II 310, a heat insulation sleeve II 330 is sleeved on the outer wall of the carburizing barrel 300, a limiting ring 340 is arranged on the inner wall of the carburizing barrel 300, a controller II 350 electrically connected with the electric heating tube II 320 is further arranged on the outer wall of the carburizing barrel 300, the heat insulation sleeve I140 and the heat insulation sleeve II 330 are made of aluminum silicate fiber materials, and the temperature in the heat insulation sleeve I140 and the heat insulation sleeve II 330 can be used for heat insulation, so that heat loss is avoided;
In some embodiments: the preheating barrel 100 and the carburizing barrel 300 are provided with exhaust valves at the rear, so that exhaust gas generated inside can be conveniently discharged, thereby being treated.
The top of the carburizing barrel 300 is clamped with a cover plate 400, the top of the cover plate 400 is provided with a hook 410 and a motor 420, the output end of the motor 420 is connected with a fan blade 430, and the fan blade 430 can be made of ceramic fiber materials.
In some embodiments: the cover plate 400 can be disassembled, so that the metal workpiece can be conveniently taken out by using the crane after carburization, and can be clamped at the top of the carburization barrel 300 again after the taking out is finished.
Specifically, the outer walls at two sides of the carburizing barrel 300 are connected with the gas transmission pipe 360 in a penetrating manner, the gas transmission pipe 360 extends to the inner part of the carburizing barrel 300, a plurality of gas transmission holes are formed in the outer wall, carbon source gas is conveniently and uniformly injected to enable the gas to be matched with the fan blade of the motor to rotate, the carbon source gas is uniformly distributed in the hearth, the thickness and uniformity of a carburized layer are increased, the carbonization reaction is accelerated, the carburization time is shortened, and the production efficiency is improved.
Further, a placement platform 220 is disposed on top of the gear plate 210, and a groove is formed on top of the placement platform 220.
In some embodiments: the workpiece can be uniformly placed on the top of the placement platform 220 by using a small forklift for processing, and the groove body is convenient for the forklift to use.
Still further, the bottom of the carburizing barrel 300 is provided with a through hole, and the through hole is matched with the placing platform 220, so that heat loss in the carburizing barrel 300 is effectively avoided.
Further, a sliding door is arranged on the outer wall of the front of the preheating barrel 100, and is made of aluminum silicate plate, so that the workpiece can be conveniently placed in the sliding door.
In some embodiments: the power supply used by the device can use an external conventional power supply.
In addition, the present utility model relates to circuits, electronic components and modules in the prior art, and those skilled in the art can fully implement the present utility model, and needless to say, the protection of the present utility model does not relate to improvement of the internal structure and method.
The device or equipment model referred to herein may be selected as follows:
the model of the rotating motor 230 is: mitsubishi HG rotary servo motor;
The model number of the motor 420 is as follows: GA12-N20, brand Xinhua Tong;
the first electric heating tube 131 and the second electric heating tube 320 can be selected from the following types: the brand is Xingtang;
Working principle: when the workpiece needs to be preheated, the workpiece is placed at the top of the placing platform 220, the plurality of flame heads 120 are matched with the plurality of electric heating tubes 131 to heat the workpiece in a combined mode, the rotating motor 230 can be used for driving the gear roller 240 to rotate while heating and preheating, at this time, the gear plate 210 can drive the placing platform 220 carrying the workpiece to synchronously rotate, so that the uniformity and the preheating efficiency of the workpiece preheating are improved, after the workpiece is preheated, the electric lifting rod 200 can be directly used for driving the preheated workpiece to lift, the gear plate 210 can be propped against the top of the inner cavity of the preheating barrel 100 after the workpiece is lifted to the limiting position, at this time, the electric heating tubes 320 are used for heating the inner temperature of the carburizing barrel 300, then the gas pipe 360 is used for injecting the carbon source gas into the inside of the carburizing barrel 300, the plurality of blades 430 are driven by the motor to rotate and are matched with the gas pipe 360, the carbon source gas can be uniformly distributed inside the carburizing barrel 300, the thickness and the uniformity of a carburized layer are increased, the blades 4630 and the gas pipe 360 can provide larger airflow and more carbon source gas, so that the carbonization reaction is accelerated, the carburizing time is shortened, the production efficiency is improved, the workpiece can be completely removed by opening the gas pipe 400, and the cover plate is taken out after the carburizing machine.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (5)
1. Carburizing furnace convenient to preheat, including preheating barrel (100), its characterized in that: the preheating barrel (100) is characterized in that a first controller (110) is arranged on the outer wall of the preheating barrel (100), a flame spraying head (120) is arranged on the inner wall of the preheating barrel (100), a plurality of fuel gas conveying pipes (121) are respectively arranged behind the flame spraying heads (120), a first heating cavity (130) is formed in the outer wall of the preheating barrel (100), an electric heating tube (131) electrically connected with the first controller (110) is arranged in the first heating cavity (130), and a first insulating sleeve (140) is sleeved on the outer wall of the preheating barrel (100);
The electric lifting rod (200) is arranged at the bottom of the inner cavity of the preheating barrel (100), the output end of the electric lifting rod (200) is connected with the gear disc (210), the top of the preheating barrel (100) is provided with the rotating motors (230), the output ends of a plurality of the rotating motors (230) are connected with the gear rollers (240), and the gear rollers (240) are in meshed connection with the gear disc (210);
The device comprises a carburizing barrel (300), wherein the top of the preheating barrel (100) is further provided with the carburizing barrel (300), a heating cavity II (310) is formed in the outer wall of the carburizing barrel (300), an electric heating tube II (320) is arranged in the heating cavity II (310), a heat insulation sleeve II (330) is sleeved on the outer wall of the carburizing barrel (300), a limiting ring (340) is arranged on the inner wall of the carburizing barrel (300), a controller II (350) electrically connected with the electric heating tube II (320) is further arranged on the outer wall of the carburizing barrel (300), and the heat insulation sleeve I (140) and the heat insulation sleeve II (330) are made of aluminum silicate fibers;
The carburizing barrel comprises a cover plate (400), wherein the cover plate (400) is clamped at the top of the carburizing barrel (300), a hook (410) and a motor (420) are arranged at the top of the cover plate (400), and a fan blade (430) is connected to the output end of the motor (420).
2. A carburizing furnace convenient for preheating according to claim 1, wherein: the outer walls of two sides of the carburizing barrel (300) are connected with gas pipes (360) in a penetrating mode, and the gas pipes (360) extend to the rear outer wall inside the carburizing barrel (300) and are provided with a plurality of gas transmission holes.
3. A carburizing furnace convenient for preheating according to claim 2, wherein: the top of the gear plate (210) is provided with a placing platform (220), and the top of the placing platform (220) is provided with a groove body.
4. A carburizing furnace convenient for preheating according to claim 3, wherein: a through hole is formed in the bottom of the carburizing barrel (300), and the through hole is matched with the placing platform (220).
5. The carburizing furnace convenient for preheating according to claim 4, wherein: the front outer wall of the preheating barrel (100) is provided with a sliding door which is made of aluminum silicate plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322776402.8U CN221071624U (en) | 2023-10-17 | 2023-10-17 | Carburizing furnace convenient to preheat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322776402.8U CN221071624U (en) | 2023-10-17 | 2023-10-17 | Carburizing furnace convenient to preheat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221071624U true CN221071624U (en) | 2024-06-04 |
Family
ID=91260706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322776402.8U Active CN221071624U (en) | 2023-10-17 | 2023-10-17 | Carburizing furnace convenient to preheat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221071624U (en) |
-
2023
- 2023-10-17 CN CN202322776402.8U patent/CN221071624U/en active Active
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