CN101397661A - Roller cladding heating kiln - Google Patents
Roller cladding heating kiln Download PDFInfo
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- CN101397661A CN101397661A CN 200710012989 CN200710012989A CN101397661A CN 101397661 A CN101397661 A CN 101397661A CN 200710012989 CN200710012989 CN 200710012989 CN 200710012989 A CN200710012989 A CN 200710012989A CN 101397661 A CN101397661 A CN 101397661A
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- furnace
- heater
- cladding
- box
- stove
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Abstract
The invention relates to a roller cladding heating furnace which comprises a furnace body, a heating band, an insulating layer and a powder receiving pan. The furnace body is provided with a right furnace box and a left furnace box which are in a mutual butt joint way; the upper cover of the furnace body is provided with a laser operation window; the inner wall of the furnace box is provided with the insulating layer; the inner circle of the insulating layer is provided with the heating band; and the upper part in the furnace box is provided with the powder receiving pan that is fixedly connected with the inner wall of the furnace box. The side of the furnace box is provided with a temperature detecting point and is connected with the temperature control input end of a controller. Or a plurality of furnace bodies are in head-to-tail connection to form a long furnace body. The furnace has excellent cladding quality, little thermal loss during the cladding process, simple structure, flexible assembly, high efficiency, constant temperature control, low energy consumption, energy conservation, cleanliness and sanitation and no pollution. The furnace is applicable to roller manufacturing industry.
Description
Technical field
What the present invention relates to is well heater, and concrete is to adopt the roller cladding heating kiln of laser to the hard facing alloy aspect thermostatically heating cladding of flat roll and shaft-like workpiece.
Background technology
Along with science and technology is constantly progressive, the expansion gradually of laser Application Areas, traditional process unit has not satisfied the requirement of novel process and new processing object, such as do the stiff dough cladding for the shaft-like workpiece of high strength such as roll is exactly a typical example, two kinds of phenomenons often take place owing to two kinds of metal materials differences in present cladding method, the intensity of first roll hard facing alloy aspect is not good enough, crackle very easily appears with the passing of time, it two is that the uniformity coefficient of alloy layer is relatively poor, and its thickness is not accomplished to follow one's bent.Along with the develop rapidly of laser technology, utilize the method for laser melting coating can conveniently solve the difficult problem of this technology, yet two kinds of different metals get up also to truly have difficulty because of the different foundings of fusing point.
Do not have as yet at present good complete processing and equipment can adequate solution roll this difficult problem of rimose appears very easily doing the stiff dough cladding.
Summary of the invention
The objective of the invention is at also not properly settling at present two kinds of different metals are difficult for founding because of the fusing point difference practical problems, can heat to the roll shaft in different lengths, differential roller footpath and provide a kind of, can do the device of laser melting coating again simultaneously, thereby solve roll and doing stiff dough cladding cracking problem, the roller cladding heating kiln of having created good condition for the reparation and the stiff dough compounding technology of roll
The technical scheme that adopts is:
Roller cladding heating kiln comprises body of heater, heating zone, thermal insulation layer, powder-receiving disc; Two active stove casees about described body of heater is arranged to, about two stove casees mutually to being connected into body of heater, the loam cake of body of heater is provided with a laser work window; Inwall around the stove case is provided with semicircular thermal insulation layer, thermal insulation layer is fixedlyed connected with the inwall of stove case, at the interior circle of thermal insulation layer the heating zone of one semicircle being set, fixedlys connected with the interior circle insulation of thermal insulation layer in the heating zone, and the heating zone is connected with controller by lead.
Top in the above-mentioned stove case is provided with a powder-receiving disc, and powder-receiving disc is fixedlyed connected with the inwall of stove case.
The side of above-mentioned stove case is provided with the temperature test point, and temperature test point is connected with the temperature control input end of controller by lead.
Above-mentioned body of heater or a plurality of head and the tail end are interconnected to one.
Working routine of the present invention:
At first earlier roll is installed on the chuck of laser machine, after with about the center of two stove casees and the height at chuck topping roll center mix up, with about two stove casees slippage and surround roll, roll is put what body of heater center, build top window, connect power supply, set Heating temperature, send electrically heated, for making the cladding better effects if, in the process of heating, the temperature test temperature signal that detects of naming a person for a particular job is input to controller, determines 2-3 in advance by the program of operation and adds thermal gradient, promptly be heated to constant temperature for some time after the certain temperature, continue heating again, constant temperature is treated in the stove that workpiece is raised to open the laser work window behind the preset temperature and can implement operation after being heated to specified temperature again.At this moment laser head from one end to the other side moves on the laser work window and carries out laser melting coating, and meanwhile, the stepper-motor of laser machine evenly rotates synchronously, and laser head goes round and begins again and from one end to the other side moves back and forth, and finishes the whole process of cladding.
If roll length is longer, can with about two stove case breech faces connect two stove casees about another group again, the head and the tail end of two bodies of heater links into an integrated entity and can do long roller cladding.
The heating zone is connected with controller by lead, can be according to the height of detected temperatures, and controller control output voltage heats the heating zone on request, adds again to be provided with thermal insulation layer in the upper furnace body, and heat insulation effect is good.
The powder-receiving disc of stove case internal upper part is the metal-powder that may fall down in the cladding process in order to accept, and strengthens the quality of cladding first, second can save starting material.
The solution that the present invention is highly desirable this long-term insoluble difficult problem of two kinds of different metal cladding one, the two kinds of different metal desires of fusing point thermal conductivity that reach that " duration and degree of heating " of heating is just right melt states to be melted, automatically control laser head by controller again and carry out cladding, very even because of laser head operation, comprehensively, the quality of cladding quite can be good, body of heater has insulation, upper cover plate is arranged above, whole cladding process calorific loss is quite little, simple in structure, assembling is flexible, and 30KW can be grouped into 20KW and two heating kilns of 10KW can be used for diameter of phi 100-Φ 500, the series of rollers of length 800-1600 is carried out cladding, and the scope of application is big.It is complete to add the Controlling System performance, efficient height of the present invention, and the constant temperature regulation and control, it is little to consume energy, save energy, sanitation and hygiene are without any pollution.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Embodiment
Embodiment
Roller cladding heating kiln comprises body of heater 1, heating zone 4, thermal insulation layer 3, powder-receiving disc 5; Two active stove casees 2 and 9 about body of heater 1 is arranged to, the top in the stove case 2 and 9 is provided with a powder-receiving disc 5, and powder-receiving disc 5 is fixedlyed connected with 9 inwall with stove case 2.Stove case 2 and 9 side are respectively arranged with temperature test point 7, and temperature test point 7 is connected with the temperature control input end of controller by lead.About two stove casees 2 and 9 mutually to being connected into body of heater 1, the loam cake of body of heater 1 is provided with laser work window 8; On stove case 2 and 9, below and lateral inwall be provided with semicircular thermal insulation layer 3, thermal insulation layer 3 is fixedlyed connected with 9 inwall with stove case 2, the heating zone 4 of one semicircle is set at the interior circle of thermal insulation layer 3, fixedly connected with the interior circle insulation of thermal insulation layer 3 in heating zone 4, heating zone 4 is connected with the supply socket 6 that stove case 2 and 9 sides are provided with by lead, and supply socket 6 is connected with the output terminal of controller.
Four sides of body of heater 1 are connected with the underrun screw, and the head and the tail end of two bodies of heater 1 is interconnected to one.
Claims (4)
1, roller cladding heating kiln comprises body of heater (1), heating zone (4), thermal insulation layer (3), powder-receiving disc (5); It is characterized in that:
Two active stove casees (2) and (9) about described body of heater (1) is arranged to, about two stove casees (2) and (9) mutually to being connected into body of heater (1), the loam cake of body of heater (1) is provided with a laser work window (8); At stove case (2) with above (9), below and lateral inwall be provided with thermal insulation layer (3), at the interior circle of thermal insulation layer (3) heating zone (4) is set.
2, roller cladding heating kiln according to claim 1 is characterized in that: the top in above-mentioned stove case (2) and (9) is provided with a powder-receiving disc (5), and powder-receiving disc (5) is fixedlyed connected with the inwall of (9) with stove case (2).
3, roller cladding heating kiln according to claim 1 is characterized in that: the side of above-mentioned stove case (2) and (9) is respectively arranged with temperature test point (7), and temperature test point (7) is connected with the temperature control input end of controller by lead.
4, roller cladding heating kiln according to claim 1 is characterized in that: above-mentioned body of heater or a plurality of head and the tail end are interconnected to one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710012989 CN101397661A (en) | 2007-09-28 | 2007-09-28 | Roller cladding heating kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710012989 CN101397661A (en) | 2007-09-28 | 2007-09-28 | Roller cladding heating kiln |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101397661A true CN101397661A (en) | 2009-04-01 |
Family
ID=40516498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200710012989 Pending CN101397661A (en) | 2007-09-28 | 2007-09-28 | Roller cladding heating kiln |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101397661A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103149952A (en) * | 2013-01-29 | 2013-06-12 | 清华大学 | Temperature control device and temperature control method of using laser cladding for roller machining |
| CN103194746A (en) * | 2012-01-09 | 2013-07-10 | 沈阳大陆激光成套设备有限公司 | Airborne powder sending roller laser cladding preheating tool |
-
2007
- 2007-09-28 CN CN 200710012989 patent/CN101397661A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103194746A (en) * | 2012-01-09 | 2013-07-10 | 沈阳大陆激光成套设备有限公司 | Airborne powder sending roller laser cladding preheating tool |
| CN103194746B (en) * | 2012-01-09 | 2016-01-20 | 沈阳大陆激光成套设备有限公司 | Gas carries powder roll laser cladding preheating frock |
| CN103149952A (en) * | 2013-01-29 | 2013-06-12 | 清华大学 | Temperature control device and temperature control method of using laser cladding for roller machining |
| CN103149952B (en) * | 2013-01-29 | 2015-05-06 | 清华大学 | Temperature control device by using laser cladding for roller machining |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20090401 |