CN205733362U - A kind of roll overlaying prosthetic device - Google Patents
A kind of roll overlaying prosthetic device Download PDFInfo
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- CN205733362U CN205733362U CN201620509100.1U CN201620509100U CN205733362U CN 205733362 U CN205733362 U CN 205733362U CN 201620509100 U CN201620509100 U CN 201620509100U CN 205733362 U CN205733362 U CN 205733362U
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- roll
- welding
- prosthetic device
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- cover
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Abstract
The utility model discloses a kind of roll overlaying prosthetic device, including: two bearing blocks and two groups of built-up welding assemblies, described two groups of built-up welding assemblies include cross slide way, longitudinal rail and welding machine respectively, the first loading plate it is respectively arranged with on described cross slide way, described longitudinal rail is separately positioned on the first loading plate, being provided with the second loading plate on described longitudinal rail, described welding machine is arranged on the second loading plate, is provided with thermal insulation cover between said two bearing block.By the way, roll overlaying prosthetic device described in the utility model, built-up welding assembly is used to instead of part manual operation, reduce danger, and have employed thermal insulation cover especially, neither affect the work of welding gun, the loss of heat can be reduced again, reduce energy consumption, it is ensured that the technological temperature of roll overlaying, promote the quality of built-up welding.
Description
Technical field
The present invention relates to roll repair welding field, particularly relate to a kind of roll overlaying prosthetic device.
Background technology
Roll can produce normal wear and abnormal damage during using so that dimension of roller reduces and at table
Face presents irregular pit, if size reduction transfinites or pit is excessive, then cannot normally work, and needs to change roll
Or repair.
The replacement cost of roll is higher, and therefore, big more options are repaired.Traditional roll repair welding method is to use manually
The mode of built-up welding carries out the accumulation of wlding on the surface of roll, is subsequently processed into original size, due to the built-up welding temperature of roll
Higher, and need during built-up welding repeatedly to heat, energy consumption is big, and labor intensity is big, and the bad environments of high temperature is easily scalded, work effect
Rate is low, poor welding quality, needs to improve.
Summary of the invention
The technical problem that present invention mainly solves is to provide a kind of roll overlaying prosthetic device, promotes what roll overlaying was repaired
Work efficiency and safety.
For solving above-mentioned technical problem, the technical scheme that the present invention uses is: provide a kind of roll overlaying reparation dress
Putting, including two bearing blocks and two groups of built-up welding assemblies, said two bearing block is separately positioned on the two ends of roll, described two groups
Built-up welding assembly is separately positioned on the both sides of roll, and described two groups of built-up welding assemblies include cross slide way, longitudinal rail and welding machine respectively,
Being respectively arranged with the first loading plate on described cross slide way, described longitudinal rail is separately positioned on the first loading plate, described vertical
Being provided with the second loading plate on direction guiding rail, described welding machine is arranged on the second loading plate, and described welding machine includes a sensing roll
Welding gun, be provided with thermal insulation cover between said two bearing block.
In a preferred embodiment of the present invention, described cross slide way is paralleled with the axis of roll, described cross slide way
Perpendicular with longitudinal rail.
In a preferred embodiment of the present invention, described thermal insulation cover includes upper arcuate cover and lower curved cover, described on
Being connected by snap close between portion's arc-shaped cover and lower curved cover, described upper arcuate cover is arranged on the top of roll, described under
Portion's arc-shaped cover is positioned at the lower section of roll, and the both sides of described thermal insulation cover have the fluting corresponding with welding-torch horizontal movement locus, institute respectively
It is provided with flexible steel plate protective cover in stating fluting, described flexible steel plate protective cover is provided with the through hole corresponding with welding gun.
In a preferred embodiment of the present invention, described cross slide way is provided with first be connected with the first loading plate
Screw rod thrust unit.
In a preferred embodiment of the present invention, described longitudinal rail is provided with second be connected with the second loading plate
Screw rod thrust unit.
In a preferred embodiment of the present invention, described welding machine is CO2Gas shielded welding machine.
In a preferred embodiment of the present invention, described roll overlaying prosthetic device also includes a decelerator and speed governing electricity
Motivation, the outfan of described decelerator uses positioning key to be connected with one end of roll, the input of described decelerator and speed governing
Motor is connected.
In a preferred embodiment of the present invention, being provided with assisted heating device in described thermal insulation cover, described auxiliary heats
Device is electrical heating wire or ceramic heater, and described thermal insulation cover inwall is provided with heat insulating mattress.
The invention has the beneficial effects as follows: a kind of roll overlaying prosthetic device that the present invention points out, use built-up welding assembly to substitute
Part manual operation, reduces danger, and have employed thermal insulation cover especially, neither affect the work of welding gun, can reduce again
The loss of heat, reduces energy consumption, it is ensured that the technological temperature of roll overlaying, promotes the quality of built-up welding, improves what roll overlaying was repaired
Work efficiency.
Accompanying drawing explanation
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, in embodiment being described below required for make
Accompanying drawing be briefly described, it should be apparent that, below describe in accompanying drawing be only some embodiments of the present invention, for
From the point of view of those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other according to these accompanying drawings
Accompanying drawing, wherein:
Fig. 1 is the structural representation of the present invention a kind of roll overlaying prosthetic device one preferred embodiment.
Detailed description of the invention
Technical scheme in the embodiment of the present invention will be clearly and completely described below, it is clear that described enforcement
Example is only a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, this area is common
All other embodiments that technical staff is obtained under not making creative work premise, broadly fall into the model of present invention protection
Enclose.
Referring to Fig. 1, the embodiment of the present invention includes:
A kind of roll overlaying prosthetic device, including: two bearing blocks 2 and two groups of built-up welding assemblies 1, said two bearing block 2
Being separately positioned on the two ends of roll 5, described two groups of built-up welding assemblies 1 are separately positioned on the both sides of roll 5, described two groups of built-up welding assemblies
1 includes cross slide way 12, longitudinal rail 14 and welding machine 15 respectively, and described cross slide way 12 is respectively arranged with the first loading plate
17, described longitudinal rail 14 is separately positioned on the first loading plate 17, and described longitudinal rail 14 is provided with the second loading plate 18,
Described welding machine 15 is arranged on the second loading plate 18, and described welding machine 15 includes the welding gun 13 of a sensing roll 5, said two axle
It is provided with thermal insulation cover 4 between bearing 2, reduces the loss of heat.
Described cross slide way 12 is paralleled with the axis of roll 5, and described cross slide way 12 is perpendicular with longitudinal rail 14, institute
State and on cross slide way 12, be provided with the first screw rod thrust unit 11 being connected with the first loading plate 17, the first screw rod thrust unit
11 make welding gun 13 moving axially along roll 5, and described longitudinal rail 14 is provided be connected with the second loading plate 18
Two screw rod thrust unit 16, the second screw rod thrust unit 16 makes welding gun 13 moving radially along roll 5, flexible adjustment, favorably
In Automated condtrol.
Described thermal insulation cover 4 includes upper arcuate cover and lower curved cover, between described upper arcuate cover and lower curved cover
Being connected by snap close, described upper arcuate cover is arranged on the top of roll 5, and described lower curved cover is positioned at the lower section of roll 5,
The both sides of described thermal insulation cover 4 have the fluting corresponding with welding gun 13 horizontal movement track respectively, are provided with flexible steel in described fluting
Plate protective cover, described flexible steel plate protective cover is provided with the through hole corresponding with welding gun 13, and welding gun 13 moves axially along roll 5
Time, promote flexible steel plate protective cover telescopic moving therewith, neither affect the movement of welding gun 13, the loss of heat can be reduced again.
Described welding machine 15 is CO2Gas shielded welding machine, built-up welding effective.
Described roll overlaying prosthetic device also includes a decelerator 3 and variable-speed motor 32, the output of described decelerator 3
Hold the one end with roll 5 to use positioning key 31 to be connected, mount and dismount relatively convenient, the input of described decelerator 3 and tune
Electric motor with speed 32 is connected so that the rotary speed of roll 5 is adjustable, it is simple to the carrying out of built-up welding work.
Being provided with assisted heating device in described thermal insulation cover 4, described assisted heating device is electrical heating wire or pottery adds
Hot device, carries out auxiliary heating, promotes surfacing quality, described thermal insulation cover 4 inwall is provided with heat insulating mattress, reduces thermal loss, fall
Low energy consumption.
A kind of restorative procedure, comprises the following steps:
Detection before built-up welding: detect a flaw old roll 5, roll material is 60CrNiMo, colours including surface and super
Acoustic inspection, it is ensured that roll 5 inside and the equal zero defect in surface, if old roll of detecting a flaw out has serious internal injury, does not the most allow to enter again
The Bead weld repair work of this roll of row；
Preheating before welding: roll 5 is put into electric furnace and preheats, it is desirable to preheating temperature 380 DEG C, in heating furnace
Constant temperature keeps 9 hours；
Welding: roll 5 is taken out in electric furnace, is placed on two bearing blocks 2, covers upper arcuate cover, start
Variable-speed motor 32 carries out the rotation of roll 5, operates the first screw rod thrust unit 11 and the second screw rod thrust unit 16 so that two
Root bead rifle 13 is respectively aligned to the both sides in the middle part of roll 5 and moves built-up welding from middle part to different ends, in weld deposit process, often covers
Once just with contact type thermometric indicator, in the middle part of roll 5 and roll 5 both ends of the surface carry out thermometric and clear up welding slag in circulation, it is ensured that interlayer
Temperature, in the range of 320 ~ 350 DEG C, carries out heating or adjust auxiliary and add hot charging during less than 320 DEG C in being reentered into electric furnace
The power put heats；
Heat treatment: after welding, is immediately sent to roll in electric furnace carry out heat treatment, and the burner hearth of electric furnace is not
Energy black furnace, furnace temperature, at 330 DEG C, is risen to 480 DEG C after putting into roll by initial temperature, is incubated 3 hours, and makes roller temperature uniform
Changing, stress-removal, slow cooling to room temperature, annealing process requires that cooling rate at 40 DEG C/h, after roll cooling, detects as-welded hardness and grand
See size and defect inspection；
Processing: roll is carried out roughing, then carries out the inspection of semifinished product, including penetrant inspection, hardness determination, geometric form
Shape and roughing dimension control, qualified after, then carry out polish.
In described welding step, first with transition zone 1 ~ 2 layer of transition zone of welding wire YD106-G built-up welding, middle segmental arc is permissible
Built-up welding two-layer transition zone, if one layer of transition zone of the straight section built-up welding at two ends, each built-up welding THICKNESS CONTROL at 2.0mm, recruitment afterwards
Make layer welding wire YD238-G continuous built-up welding working lining, each built-up welding THICKNESS CONTROL at 2.5 ~ 3.0mm, overall built-up welding thickness is 18 ~
20mm, during, repeatedly with the model of arc, the arcuate segments in weld deposit process is detected, to guarantee the control of built-up welding arc
System.
In sum, a kind of roll overlaying prosthetic device that the present invention points out, decrease artificial, improve processing safety
And work efficiency, decrease thermal loss, reduce energy consumption and cost, improve the quality of roll overlaying.
The foregoing is only embodiments of the invention, not thereby limit the scope of the claims of the present invention, every utilize this
Equivalent structure or equivalence flow process that bright description is made convert, or are directly or indirectly used in other relevant technology neck
Territory, is the most in like manner included in the scope of patent protection of the present invention.
Claims (8)
1. a roll overlaying prosthetic device, for the built-up welding of roll, including: two bearing blocks and two groups of built-up welding assemblies, described
Two bearing blocks are separately positioned on the two ends of roll, and described two groups of built-up welding assemblies are separately positioned on the both sides of roll, and its feature exists
In, described two groups of built-up welding assemblies include cross slide way, longitudinal rail and welding machine respectively, and described cross slide way is respectively arranged with
One loading plate, described longitudinal rail is separately positioned on the first loading plate, and described longitudinal rail is provided with the second loading plate, institute
Stating welding machine to be arranged on the second loading plate, described welding machine includes the welding gun of a sensing roll, sets between said two bearing block
It is equipped with thermal insulation cover.
Roll overlaying prosthetic device the most according to claim 1, it is characterised in that described cross slide way and the axis of roll
Parallel, described cross slide way is perpendicular with longitudinal rail.
Roll overlaying prosthetic device the most according to claim 1, it is characterised in that described thermal insulation cover includes upper arcuate cover
With lower curved cover, being connected by snap close between described upper arcuate cover and lower curved cover, described upper arcuate cover is arranged
Above roll, described lower curved cover is positioned at the lower section of roll, and the both sides of described thermal insulation cover have respectively transports with welding-torch horizontal
The fluting that dynamic track is corresponding, is provided with flexible steel plate protective cover in described fluting, described flexible steel plate protective cover is provided with
The through hole that welding gun is corresponding.
Roll overlaying prosthetic device the most according to claim 1, it is characterised in that be provided with on described cross slide way and the
The first screw rod thrust unit that one loading plate is connected.
Roll overlaying prosthetic device the most according to claim 1, it is characterised in that be provided with on described longitudinal rail and the
The second screw rod thrust unit that two loading plates are connected.
Roll overlaying prosthetic device the most according to claim 1, it is characterised in that described welding machine is CO2Gas shielded arc welding
Machine.
Roll overlaying prosthetic device the most according to claim 1, it is characterised in that described roll overlaying prosthetic device also wraps
Including a decelerator and variable-speed motor, the outfan of described decelerator uses positioning key to be connected with one end of roll, described
The input of decelerator is connected with variable-speed motor.
Roll overlaying prosthetic device the most according to claim 1, it is characterised in that be provided with auxiliary in described thermal insulation cover and add
Thermal, described assisted heating device is electrical heating wire or ceramic heater, and described thermal insulation cover inwall is provided with heat insulating mattress.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620509100.1U CN205733362U (en) | 2016-05-31 | 2016-05-31 | A kind of roll overlaying prosthetic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620509100.1U CN205733362U (en) | 2016-05-31 | 2016-05-31 | A kind of roll overlaying prosthetic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205733362U true CN205733362U (en) | 2016-11-30 |
Family
ID=57362922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620509100.1U Expired - Fee Related CN205733362U (en) | 2016-05-31 | 2016-05-31 | A kind of roll overlaying prosthetic device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205733362U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105798424A (en) * | 2016-05-31 | 2016-07-27 | 沙洲职业工学院 | Roll surfacing repair device and repair method |
| CN110948087A (en) * | 2019-12-13 | 2020-04-03 | 河南理工大学 | Method for cladding and surfacing of surface of hydraulic cylinder barrel |
-
2016
- 2016-05-31 CN CN201620509100.1U patent/CN205733362U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105798424A (en) * | 2016-05-31 | 2016-07-27 | 沙洲职业工学院 | Roll surfacing repair device and repair method |
| CN110948087A (en) * | 2019-12-13 | 2020-04-03 | 河南理工大学 | Method for cladding and surfacing of surface of hydraulic cylinder barrel |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161130 Termination date: 20170531 |
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| CF01 | Termination of patent right due to non-payment of annual fee |