CN110055384B - Heating furnace for heat treatment of wear-resistant part - Google Patents
Heating furnace for heat treatment of wear-resistant part Download PDFInfo
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- CN110055384B CN110055384B CN201910333782.3A CN201910333782A CN110055384B CN 110055384 B CN110055384 B CN 110055384B CN 201910333782 A CN201910333782 A CN 201910333782A CN 110055384 B CN110055384 B CN 110055384B
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- furnace
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- heat treatment
- wear
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/34—Methods of heating
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
- C21D1/773—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material under reduced pressure or vacuum
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0006—Details, accessories not peculiar to any of the following furnaces
- C21D9/0018—Details, accessories not peculiar to any of the following furnaces for charging, discharging or manipulation of charge
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Tunnel Furnaces (AREA)
- Furnace Charging Or Discharging (AREA)
Abstract
The invention relates to the technical field of wear-resistant part heat treatment equipment, and provides a heating furnace for heat treatment of a wear-resistant part, aiming at solving the problems that the temperature in a furnace body can be unbalanced when a traditional heat treatment heating furnace is used for heating, and when the temperature is reflected to the wear-resistant part subjected to heat treatment, the stress of the wear-resistant part can not be effectively eliminated when the wear-resistant part is subjected to heat treatment, and even the quality of the wear-resistant part can be reduced; the invention is especially suitable for uniformly heating the wear-resistant part, ensures the heat treatment effect and has higher commercial prospect.
Description
Technical Field
The invention relates to the technical field of wear-resistant part heat treatment equipment, in particular to a heating furnace for heat treatment of a wear-resistant part.
Background
Heat treatment refers to a hot metal working process in which a material is heated, held and cooled in the solid state to achieve a desired texture and properties. Heat treatment of metals is one of the important processes in mechanical manufacturing, and heat treatment generally does not change the shape and overall chemical composition of the workpiece, but imparts or improves the performance properties of the workpiece by changing the microstructure inside the workpiece, or changing the chemical composition of the surface of the workpiece, as compared to other machining processes.
The existing wear-resistant part is formed, the surface or some thin sections of the wear-resistant part are subjected to rapid cooling, white texture is easy to appear, hardness and brittleness of a casting are increased, the wear-resistant part is not easy to cut and process, the wear-resistant part needs to be subjected to heat treatment by returning, when the traditional heat treatment heating furnace is used for heating, unbalance can exist in the temperature in the furnace body, when the wear-resistant part is subjected to heat treatment by reaction, a wear-resistant workpiece can be possibly caused to be subjected to heat treatment, stress can not be effectively eliminated, and even the quality of the wear-resistant part can be reduced.
The patent with the publication number of CN208151420U discloses a heat treatment heating furnace, which comprises a furnace body, a heating rod arranged in the furnace body, a first clamping jaw and a second clamping jaw, wherein the heating rod is vertically arranged in the furnace body, the first clamping jaw comprises a connecting rod and lantern rings arranged at two ends of the connecting rod, the connecting rod is fixedly connected with two sets of ring side walls, the lantern rings are sleeved on the heating rod, a plurality of arc-shaped clamping hooks are uniformly arranged on the outer wall surface of the lantern ring along the circumferential direction, the axes of the clamping hooks are parallel to the axis of the heating rod, the bending directions of the clamping hooks arranged on the two sets of rings are the same, the positions of the clamping hooks are in one-to-one correspondence with the number of the clamping hooks, the device ensures that the distances between workpieces and the heating rod are the same, and ensures the heat treatment condition of the workpieces, but the.
Disclosure of Invention
(1) Technical problem to be solved
The invention aims to overcome the defects of the prior art, adapt to practical needs, and provide a heating furnace for heat treatment of wear-resistant parts, so as to solve the problems that the temperature in the furnace body is unbalanced when the traditional heat treatment heating furnace is used for heating, and when the temperature is reflected to the heat-treated wear-resistant parts, the stress of the wear-resistant parts cannot be effectively eliminated when the heat treatment is carried out on the wear-resistant parts, and even the quality of the wear-resistant parts is reduced.
(2) Technical scheme
In order to realize the purpose of the invention, the technical scheme adopted by the invention is as follows:
a heating furnace for heat treatment of wear-resistant parts comprises a furnace body and a plurality of supporting legs arranged at the lower end of the furnace body, wherein an air suction port is formed in the upper end of the furnace body, a furnace door is arranged on the side wall of the furnace body, a lower heating assembly is arranged at the lower part of an inner cavity of the furnace body, one end of the lower heating assembly extends to the inner cavity of a heating box, the heating box is arranged at the lower part of the side wall of the furnace body in a penetrating mode, a furnace feeding assembly is arranged above the lower heating assembly, and a uniform heating device is arranged on;
the uniform heating device comprises a rotating gear arranged in an inner cavity of a furnace body at the upper end of the furnace entering assembly, a material bearing disc is coaxially arranged at the upper end of the rotating gear, a plurality of fixing grooves are formed in the upper end of the material bearing disc, fixing rods are detachably inserted in the fixing grooves, the rotating gear is meshed with a driving gear, and the driving assembly is arranged at the upper end of the driving gear.
Preferably, the furnace entering assembly comprises mounting plates which are arranged in the inner cavity of the furnace body in parallel, two groups of parallel rotating wheels are rotatably mounted at the lower ends of the mounting plates, the rotating wheels are rotatably mounted in the two sliding rails respectively, and the two sliding rails are fixedly mounted on the inner wall of the furnace body.
Preferably, the driving assembly comprises a first chain wheel coaxially connected with the driving gear, the first chain wheel is rotatably arranged in an inner cavity of a chain wheel shell, the chain wheel shell is nested on the side wall of the furnace body, the first chain wheel is connected with a second chain wheel through a chain, the second chain wheel is rotatably arranged on the side wall of the furnace body through a bracket, and the edge of the upper end of the second chain wheel is rotationally connected with a connecting rod, the other end of the connecting rod extends into the inner cavity of the mounting sleeve and is provided with a piston through a hinged seat, the mounting sleeve is penetratingly arranged on the side wall of the water tank, the water tank is fixedly arranged at the upper end of the heating box, the piston is arranged in the inner cavity of the mounting sleeve in a sliding way, and install the air outlet valve on the lateral wall of installation sleeve one side of keeping away from the water tank, the lower extreme of water tank is inserted and is equipped with the heat conduction stick, and the lower extreme of heat conduction stick reaches the inner chamber of heating box and extends to heating element's upper end down.
Preferably, the inner wall of the furnace body is symmetrically provided with side heating components, and the lower ports of the side heating components are arranged in parallel with the material bearing disc.
Preferably, a limiting rod is arranged on one side, away from the oven door, of the slide rail.
Preferably, a handle is installed on one side, close to the oven door, of the installation plate, and an extrusion block matched with the handle is arranged on the side wall of the oven door.
Preferably, the furnace body is provided with a temperature sensor on the inner wall thereof, and a control panel is arranged on the side wall of the furnace body, the control panel is provided with a display screen and a control button, and the control panel is internally provided with a PLC controller and is electrically connected with the temperature sensor.
(3) Has the advantages that:
1. through going into furnace subassembly and uniform heating device's integrated configuration, going into the furnace that the furnace subassembly is convenient for wearing parts is swift, and uniform heating device guarantees thermal treatment's effect to the even heating of wearing parts, and the two combines, and the effectual treatment quality who improves wearing parts can increase substantially the efficiency of thermal treatment simultaneously.
2. Through the combined structure of the sliding rail, the mounting plate, the rotating wheel and the handle, a processing worker hangs and pulls the handle through a lifting appliance or a traction tool to pull the wear-resistant part out of the furnace body after the furnace is opened, and the rolling mechanism of the rotating wheel and the sliding rail can effectively reduce friction force, facilitate the putting in and taking out of a workpiece from the furnace body, and improve the heat treatment efficiency.
3. Through the integrated configuration of rolling gear, hold the charging tray, drive gear, drive assembly, fixed slot and dead lever, the wearing parts is placed in the upper end that holds the charging tray, and realize the fixed of wearing parts through detachable dead lever and fixed slot, drive assembly starts, drive gear rotates, drive gear meshing rolling gear, drive and hold the charging tray and rotate, wearing parts on the assurance holding tray can evenly be heated when rotating, to the even heating of wearing parts, guarantee the effect of thermal treatment.
Drawings
FIG. 1 is a schematic external view of the present invention;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a schematic view of the cross-sectional structure A-A of FIG. 2;
FIG. 4 is a schematic view of the combination of the uniform heating apparatus and the charging assembly of the present invention;
FIG. 5 is a schematic view of a driving assembly according to the present invention.
In the figure: the furnace comprises a furnace body 1, a furnace door 2, a control panel 3, an air extraction opening 4, a lower heating assembly 5, a side heating assembly 6, a furnace feeding assembly 7, a slide rail 71, a mounting plate 72, a rotating wheel 73, a handle 74, a limiting rod 8, an even heating device 9, a rotating gear 91, a material bearing disc 92, a driving gear 93, a driving assembly 94, a sprocket housing 941, a first sprocket 942, a second sprocket 943, a connecting rod 944, a mounting sleeve 945, an air outlet valve 946, a piston 947, a water tank 948, a heat conduction rod 949, a fixing groove 95 and a heating box 10.
Detailed Description
The invention will be further illustrated with reference to the following figures 1 to 5 and examples:
a heating furnace for heat treatment of wear-resistant parts comprises a furnace body 1 and a plurality of supporting legs arranged at the lower end of the furnace body 1, the furnace body 1 is ensured to be stable, an air exhaust opening 4 is arranged at the upper end of the furnace body 1, a vacuum air extractor can be connected to the air exhaust opening 4 through a flange, so that oxidation can not occur in the furnace body 1 during heat treatment, a furnace door 2 is arranged on the side wall of the furnace body 1, feeding is facilitated, a lower heating component 5 is arranged at the lower part of an inner cavity of the furnace body 1, in the embodiment, the lower heating component 5 is a plate-type electric heating wire heater, the plate-type electric heating wire heater is a technology known by a person skilled in the art, detailed description is omitted, one end of the lower heating component 5 extends to the inner cavity of a heating box 10, the heating box 10 is installed at the lower part of the side wall of the furnace, and the furnace entering component 7 is provided with an even heating device 9 which can evenly heat the wear-resistant part and ensure the heat treatment effect.
In this embodiment, as shown in fig. 3 and 4, the uniform heating device 9 includes a rotating gear 91 disposed in the inner cavity of the furnace body 1 at the upper end of the furnace assembly 7, a material bearing disc 92 is coaxially disposed at the upper end of the rotating gear 91, a plurality of fixing grooves 95 are disposed at the upper end of the material bearing disc 92, fixing rods are detachably inserted in the fixing grooves 95, the rotating gear 91 is meshed with a driving gear 93, a driving assembly 94 is disposed at the upper end of the driving gear 93, the wear-resistant member is disposed at the upper end of the material bearing disc 92, and the wear-resistant member is fixed by the detachable fixing rods and the fixing grooves 95, at this time, the driving assembly 94 is started to drive the driving gear 93 to rotate, the driving gear 93 is meshed with the rotating gear 91, the material bearing disc 92 is driven to rotate, it is ensured that the wear.
In this embodiment, as shown in fig. 3 and 4, the furnace entering assembly 7 includes a mounting plate 72 disposed in parallel in the inner cavity of the furnace body 1, and the lower end of the mounting plate 72 is rotatably mounted with two sets of parallel rotating wheels 73, the two sets of rotating wheels 73 are respectively rotatably mounted in the two sliding rails 71, and the two sliding rails 71 are fixedly mounted on the inner wall of the furnace body 1, the furnace door 2 is opened, the mounting plate 72 is pulled out of the furnace body 1 by a hanger or a traction tool, and the rolling mechanisms of the rotating wheels 73 and the sliding rails 71 can effectively reduce friction force, thereby facilitating the putting in and taking out of workpieces from the furnace body 1.
In this embodiment, as shown in fig. 4 and 5, the driving assembly 94 includes a first sprocket 942 coaxially connected with the driving gear 93, and the first sprocket 942 is rotatably installed in an inner cavity of a sprocket housing 941, the sprocket housing 941 is nested on a side wall of the furnace body 1, the first sprocket 942 is connected with a second sprocket 943 by a chain, the second sprocket 943 is rotatably installed on a side wall of the furnace body 1 by a bracket, an upper end edge of the second sprocket 943 is rotatably connected with a connecting rod 944, and the other end of the connecting rod 944 extends into an inner cavity of the mounting sleeve 945 and is provided with a piston 947 by a hinge seat, the mounting sleeve 945 is penetratingly installed on a side wall of the water tank 948, and the water tank 948 is fixedly installed at an upper end of the heating box 10, the piston 947 is slidably installed in the inner cavity of the mounting sleeve 945, and an air outlet valve 946 is installed on a side wall of the mounting sleeve 945 far away from the water tank 948, and the lower extreme of heat-conducting stick 949 reaches the inner chamber of heating box 10 and extends to the upper end of lower heating element 5, after heating element 5 circular telegram produced the heat down, the heat passes through heat-conducting stick 949 and transmits the water in water tank 948, and heat water, the water after the heating produces vapor, reach certain degree after, promote the piston 947 in the inner chamber of installation sleeve 945 and outwards extend, drive second sprocket 943 through connecting rod 944 and rotate, combine the drive mechanism of first sprocket 942, chain and second sprocket 943, the effectual drive rotates with the drive gear 93 of first sprocket 942 coaxial coupling, make full use of heat energy, guarantee that wear-resisting part rotates even heating.
In this embodiment, as shown in fig. 2 and 3, the inner wall of the furnace body 1 is symmetrically provided with the side heating elements 6, and the lower ports of the side heating elements 6 are parallel to the material holding tray 92, in this embodiment, the side heating elements 6 are plate-type heating wire heaters, which should be known to those skilled in the art, and will not be described in detail herein, the lower heating element 5 is combined with the two side heating elements 6, so as to effectively ensure that the wear-resistant members carried on the material holding tray 92 can be uniformly heated.
In this embodiment, as shown in fig. 2 and 3, a limit rod 8 is disposed on one side of the slide rail 71 away from the oven door 2, so as to effectively ensure the position of the mounting plate 72 after entering the oven, and avoid collision and damage to other components.
In this embodiment, as shown in fig. 3 and 4, a handle 74 is installed on one side of the installation plate 72 close to the oven door 2, an extrusion block matched with the handle 74 is installed on the side wall of the oven door 2, the handle 74 is convenient for a processing worker to hang and pull the handle 74 through a hanger or a traction tool to pull the wear-resistant piece out of the oven body 1 after opening the oven, the extrusion block and the handle 74 installed on the side wall of the oven door 2 are combined with the limiting rod 8, the position of the installation plate 72 can be effectively fixed, and the mutual engagement of the rotating gear 91 and the driving gear 93 is ensured.
In this embodiment, as shown in fig. 1, install temperature-sensing ware on the furnace body 1 inner wall, and install control panel 3 on the lateral wall of furnace body 1, last display screen and the control button of being equipped with of control panel 3, and control panel 3 embeds there is the PLC controller, control panel 3 and lower heating element 5, side heating element 6 and temperature-sensing ware electric connection, the temperature of 1 inner chamber of temperature-sensing ware induction furnace body, the temperature in furnace body 1 can be convenient observation through the display screen to the processing personnel, in this embodiment, the PLC controller model is siemens S7-300, heating element 5 and the heat output of side heating element 6 under the effectual control of combination control button and PLC controller, guarantee the temperature balance in the furnace body 1, guarantee the control to wearing part thermal treatment temperature, improve wearing part treatment quality.
The embodiments of the present invention are disclosed as the preferred embodiments, but not limited thereto, and those skilled in the art can easily understand the spirit of the present invention and make various extensions and changes without departing from the spirit of the present invention.
Claims (5)
1. A heating furnace for heat treatment of wear-resistant pieces comprises a furnace body and a plurality of supporting legs arranged at the lower end of the furnace body, and is characterized in that an air suction opening is formed in the upper end of the furnace body, a furnace door is arranged on the side wall of the furnace body, a lower heating assembly is arranged on the lower portion of an inner cavity of the furnace body, one end of the lower heating assembly extends to the inner cavity of a heating box, the heating box is arranged on the lower portion of the side wall of the furnace body in a penetrating mode, a furnace feeding assembly is arranged above the lower heating assembly, and a uniform heating device is arranged on the;
the uniform heating device comprises a rotating gear arranged in a furnace body inner cavity at the upper end of a furnace inlet assembly, a material bearing disc is coaxially arranged at the upper end of the rotating gear, a plurality of fixing grooves are formed in the upper end of the material bearing disc, fixing rods are detachably inserted in the fixing grooves, the rotating gear is meshed with a driving gear, a driving assembly is arranged at the upper end of the driving gear, the furnace inlet assembly comprises mounting plates which are arranged in the furnace body inner cavity in parallel, two groups of rotating wheels which are parallel are rotatably arranged at the lower end of the mounting plates and are respectively rotatably arranged in two sliding rails, the two sliding rails are fixedly arranged on the inner wall of a furnace body, the driving assembly comprises a first chain wheel which is coaxially connected with the driving gear, the first chain wheel is rotatably arranged in an inner cavity of a chain wheel shell which is nested on the side wall of the furnace body, the second sprocket passes through the support rotation and installs on the furnace body lateral wall, and the upper end edge rotation of second sprocket is connected with the connecting rod, and the other end of connecting rod extends into the telescopic inner chamber of installation and installs the piston through articulated seat, the installation sleeve link up to install on the lateral wall of water tank, and water tank fixed mounting is in the upper end of heating box, piston slidable mounting is in the telescopic inner chamber of installation, and installs the air outlet valve on the lateral wall of installation sleeve keeping away from water tank one side, the lower extreme of water tank is inserted and is equipped with the heat conduction stick, and the lower extreme of heat conduction stick reachs the inner chamber of heating box and extends to heating element's upper end down.
2. A furnace for heat treatment of wear resistant articles according to claim 1, characterized in that: the inner wall of the furnace body is symmetrically provided with side heating components, and the lower ports of the side heating components are arranged in parallel with the material bearing disc.
3. A furnace for heat treatment of wear resistant articles according to claim 1, characterized in that: and a limiting rod is arranged on one side of the slide rail, which is far away from the furnace door.
4. A furnace for heat treatment of wear resistant articles according to claim 1, characterized in that: the handle is installed to one side that the mounting panel is close to the furnace gate, be equipped with on the lateral wall of furnace gate with handle assorted extrusion piece.
5. A furnace for heat treatment of wear resistant articles according to claim 1, characterized in that: the furnace body is characterized in that a temperature sensor is arranged on the inner wall of the furnace body, a control panel is arranged on the side wall of the furnace body, a display screen and a control button are arranged on the control panel, a PLC is arranged in the control panel, and the control panel is electrically connected with the temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910333782.3A CN110055384B (en) | 2019-04-24 | 2019-04-24 | Heating furnace for heat treatment of wear-resistant part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910333782.3A CN110055384B (en) | 2019-04-24 | 2019-04-24 | Heating furnace for heat treatment of wear-resistant part |
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| Publication Number | Publication Date |
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| CN110055384A CN110055384A (en) | 2019-07-26 |
| CN110055384B true CN110055384B (en) | 2021-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910333782.3A Active CN110055384B (en) | 2019-04-24 | 2019-04-24 | Heating furnace for heat treatment of wear-resistant part |
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Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4564197B2 (en) * | 2001-03-27 | 2010-10-20 | 中外炉工業株式会社 | Catenary-type continuous heat treatment furnace roll changer |
| CN205352065U (en) * | 2015-12-08 | 2016-06-29 | 景德镇明兴航空锻压有限公司 | Resistance heating furnace |
| CN206089744U (en) * | 2016-10-19 | 2017-04-12 | 南京宝钻热处理有限公司 | Car -type tempering furnace |
| CN208594318U (en) * | 2018-06-27 | 2019-03-12 | 南通市中吕齿轮有限公司 | A kind of reductor shaft quenching system |
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| CN110055384A (en) | 2019-07-26 |
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Denomination of invention: Heating furnace for heat treatment of wear-resistant parts Effective date of registration: 20220104 Granted publication date: 20210430 Pledgee: Ningguo Anhui rural commercial bank Limited by Share Ltd. Pledgor: NINGGUO KAIYUAN ELECTRIC POWER WEAR RESISTANT MATERIALS Co.,Ltd. Registration number: Y2021990001218 |
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Address after: 242300 Fancun Road, heli Park, Ningguo Economic and Technological Development Zone, Xuancheng City, Anhui Province Patentee after: Ningguo Kaiyuan Electric POWER WEAR Resistant MATERIALS Co.,Ltd. Address before: 242300 Heli industrial concentration zone, Ningguo Economic and Technological Development Zone, Xuancheng City, Anhui Province Patentee before: NINGGUO KAIYUAN ELECTRIC POWER WEAR RESISTANT MATERIALS Co.,Ltd. |
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