CN109570840A - A kind of high temperature primary heater unit for built-up welding - Google Patents
A kind of high temperature primary heater unit for built-up welding Download PDFInfo
- Publication number
- CN109570840A CN109570840A CN201811565003.4A CN201811565003A CN109570840A CN 109570840 A CN109570840 A CN 109570840A CN 201811565003 A CN201811565003 A CN 201811565003A CN 109570840 A CN109570840 A CN 109570840A
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- workpiece
- pedestal
- heating sheet
- welding
- fire
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
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- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of high temperature primary heater units for built-up welding, are related to built-up welding preheating device field；Including pedestal, several idler wheels for being used to support columnar workpiece are hinged on pedestal, additional backing is connected on pedestal, the interior heating sheet being adapted to workpiece is connected on pedestal, the shaft coaxial with workpiece is connected on pedestal, additional backing side is equipped with sliding slot, the slide plate being adapted to sliding slot is slidably connected in sliding slot, slide plate is connected with welding gun far from the side of interior heating sheet, pedestal is equipped with welding crosshead, welding gun includes pipette tips, a temperature control box is equipped on the outside of additional backing, additional backing, slide plate is electrically connected with temperature control box with interior heating sheet, heating plate rack is connected in interior heating sheet, interior heating sheet includes several fire-bars, heating sheet rack outer surface is equipped with card slot in fire-bar corresponding position, fire-bar is equipped with the fixture block being adapted to card slot close to card slot side, fire-bar is electrically connected with temperature control box；Preheating temperature of the present invention is uniform.
Description
Technical field
The invention belongs to built-up welding preheating device field, in particular to a kind of high temperature primary heater unit for built-up welding.
Background technique
The cobalt-base alloys built-up welding of small size workpiece is in industry widely used, due to the elongation percentage of cobalt-base alloys normal temperature state
It is almost nil, it is necessary to which that being preheating to higher temperature just can be carried out built-up welding.The method that the prior art is generally heated by flame, by workpiece
Entirety is preheated to assigned temperature, then carries out heat compensation by thermal weld stress, is wanted with guaranteeing that workpiece temperature meets technique always
It asks.But for larger-size 316 austenite stainless steel workpiece, such as the component in nuclear generator, due to bulky,
There are more defects for flame preheating, wherein workpiece preheating temperature unevenly becomes main problem.
Summary of the invention
The purpose of the invention is to overcome the non-uniform disadvantage of prior art preheating temperature, it is equal to provide a kind of preheating temperature
Even high temperature primary heater unit.
To achieve the goals above, the invention adopts the following technical scheme:
A kind of high temperature primary heater unit for built-up welding, including pedestal, be hinged on the pedestal it is several be used to support it is columnar
The idler wheel of workpiece, the idler wheel are resisted against workpiece both ends, and additional backing is connected on the pedestal, and the additional backing is set in
In the middle part of workpiece, it is connected with the interior heating sheet being adapted to workpiece on the pedestal, the interior heating sheet is located in workpiece, the pedestal
On be connected with the shaft coaxial with workpiece, the shaft and workpiece one end are affixed, the additional backing side be equipped with sliding slot, it is described
Sliding slot is parallel with the axis where additional backing, and the slide plate being adapted to sliding slot is slidably connected in the sliding slot, and the slide plate is separate
The side of interior heating sheet is connected with welding gun, and the pedestal is equipped with the welding crosshead for pushing slide plate, and the slide plate is affixed
On welding crosshead, the welding gun includes pipette tips, and the pipette tips are located in sliding slot, is equipped with a temperature on the outside of the additional backing
Case is controlled, the additional backing, slide plate are electrically connected with temperature control box with interior heating sheet, are connected with heating sheet branch in the interior heating sheet
Frame, the heating plate rack are fixed on pedestal, and the interior heating sheet includes several fire-bars, and the fire-bar is along heating sheet
The circumferencial direction arranged for interval of bracket, the heating sheet rack outer surface are equipped with card slot, the heating in fire-bar corresponding position
Item is equipped with the fixture block being adapted to card slot close to card slot side, and the fixture block is located in card slot, and the fire-bar is electric with temperature control box
Connection.
In using the present invention, columnar workpiece is placed across on idler wheel, roller supporting is at workpiece both ends, by work
Part one end and shaft are affixed, open temperature control box, and interior heating sheet heats simultaneously with additional backing, can be pre- by workpiece with fast speed
To 600-700 DEG C or more, additional backing is fixed on pedestal heat, and interior heating sheet is fixed on pedestal, rotating shaft, and workpiece is outside
It is rotated between heating sheet and interior heating sheet, can workpiece be heated evenly, additional backing side is equipped with sliding slot, sliding in sliding slot
It is connected with slide plate, slide plate is electrically connected with temperature control box, and slide plate also heats workpiece, while workpiece rotation, welding operation
Frame moves slide plate, and slide plate is slided along sliding slot, and welding gun is affixed with slide plate, and welding gun is moved synchronously with slide plate, and pipette tips are located in sliding slot,
Welding gun is opened, welding gun carries out built-up welding, while pipette tips movement, workpiece rotation, the carry out heap of final pipette tips spiral on workpiece
Weldering, workpiece rotation can cause non-uniform temperature to avoid the presence due to sliding slot, and the present invention has preheating temperature uniformly and automatic
The high feature of change degree.Interior heating sheet includes several fire-bars, fire-bar along heating plate rack circumferencial direction cloth at equal intervals
It sets, can be heated evenly on the inside of workpiece, while each fire-bar is electrically connected with temperature control box, fire-bar is by fixture block and adds
The connection of backing bracket, replacing or repair if necessary fire-bar during built-up welding can individually take corresponding fire-bar
It is replaced or is repaired out, do not influence the progress of built-up welding, the present invention can long-time non-stop run.
Preferably, sliding slot is located at the upside of additional backing, the slide plate is equipped with several in the side close to interior heating sheet
Universal rolling wheel, the universal rolling wheel are resisted against on workpiece.
It adds universal rolling wheel, guarantees the distance between slide plate and workpiece, prevent apart from too small, slide plate burns out workpiece.
Preferably, being equipped at least three temperature sensors on the inside of additional backing, the both ends of the additional backing are respectively set
There is at least one temperature sensor, the middle part of the additional backing is equipped at least one temperature sensor, the temperature sensor
It is electrically connected with temperature control box.
Temperature sensor is respectively set at the middle part of heating sheet and both ends, temperature sensor is electrically connected with temperature control box, can be with
The temperature for monitoring the multiple points of workpiece heating part in real time, when temperature deviation is larger, temperature control box controls heating sheet and carries out temperature tune
It is whole so that the temperature difference is smaller, in actual use, temperature control box continues simultaneously accurately to control workpiece temperature in 600-700 DEG C of range
It is interior, and the temperature difference≤40 DEG C of workpiece entirety, the present invention have the characteristics that preheating temperature is uniform.
The beneficial effects of the present invention are: (1) slide plate is slided along sliding slot, welding gun is fixed on slide plate, and welding gun and slide plate are solid
It connecing, welding gun is moved synchronously with slide plate, and pipette tips are located in sliding slot, opens welding gun, and welding gun carries out built-up welding, while pipette tips movement,
Workpiece rotation, the carry out built-up welding of final pipette tips spiral on workpiece, workpiece rotation can cause temperature to avoid the presence due to sliding slot
Degree is uneven, and the present invention has the characteristics that preheating temperature is uniform and high degree of automation；If necessary to more during built-up welding
It changes or repairs fire-bar and can individually take out corresponding fire-bar and replaced or repaired, do not influence the progress of built-up welding,
The present invention can long-time non-stop run；(2) universal rolling wheel is added, guarantees the distance between slide plate and workpiece, prevents distance
Too small, slide plate burns out workpiece；(3) temperature sensor, temperature sensor and temperature control is respectively set at the middle part of heating sheet and both ends
Case electrical connection, can monitor the temperature of the multiple points of workpiece heating part in real time, when temperature deviation is larger, temperature control box control heating
Piece carries out temperature adjustment so that the temperature difference is smaller, and the present invention has the characteristics that preheating temperature is uniform.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is another structural schematic diagram of the invention.
In figure: idler wheel 1, additional backing 2, pedestal 3, shaft 4, workpiece 5, sliding slot 6, slide plate 7, welding gun 8, pipette tips 9, universal rolling
Wheel 10, temperature sensor 11, temperature control box 12, heating plate rack 13, fire-bar 14, card slot 15, fixture block 16, welding crosshead 17,
Interior heating sheet 18.
Specific embodiment
The present invention is further elaborated on reference to the accompanying drawings and detailed description:
Fig. 1 and Fig. 2 is a kind of high temperature primary heater unit for built-up welding, including pedestal 3, is hinged with several be used on the pedestal 3
The idler wheel 1 of the workpiece 5 of support cylinder shape, the idler wheel 1 are resisted against 5 both ends of workpiece, additional backing 2 are connected on the pedestal 3,
The additional backing 2 is set in 5 middle part of workpiece, and the interior heating sheet 18 being adapted to workpiece 5 is connected on the pedestal 3, described interior
Heating sheet 18 is located in workpiece 5, and the shaft 4 coaxial with workpiece 5, the shaft 4 and 5 one end of workpiece are connected on the pedestal 3
Affixed, additional 2 side of backing is equipped with sliding slot 6, and the sliding slot 6 is parallel with the axis where additional backing 2, in the sliding slot 6
The slide plate 7 being adapted to sliding slot 6 is slidably connected, the slide plate 7 is connected with welding gun 8, the bottom far from the side of interior heating sheet 18
Seat 3 is equipped with the welding crosshead 17 for pushing slide plate 7, and the slide plate 7 is fixed on welding crosshead 17, the welding gun 8
Including pipette tips 9, the pipette tips 9 are located in sliding slot 6, and a temperature control box 12, the additional backing are equipped on the outside of the additional backing 2
2, slide plate 7 is electrically connected with temperature control box 12 with interior heating sheet 18, and heating plate rack 13 is connected in the interior heating sheet 18, described
It is affixed on the base 3 to heat plate rack 13, the interior heating sheet 18 includes several fire-bars 14, and the fire-bar 14 is along heating
The circumferencial direction arranged for interval of plate rack 13,13 outer surface of heating plate rack are equipped with card slot in 14 corresponding position of fire-bar
15, the fire-bar 14 is equipped with the fixture block 16 being adapted to card slot 15 close to 15 side of card slot, and the fixture block 16 is located in card slot 15,
The fire-bar 14 is electrically connected with temperature control box 12.
In using the present invention, columnar workpiece is placed across on idler wheel, roller supporting is at workpiece both ends, by work
Part one end and shaft are affixed, open temperature control box, and interior heating sheet heats simultaneously with additional backing, can be pre- by workpiece with fast speed
To 600-700 DEG C or more, additional backing is fixed on pedestal heat, and interior heating sheet is fixed on pedestal, rotating shaft, and workpiece is outside
It is rotated between heating sheet and interior heating sheet, can workpiece be heated evenly, additional backing side is equipped with sliding slot, sliding in sliding slot
It is connected with slide plate, slide plate is electrically connected with temperature control box, and slide plate also heats workpiece, while workpiece rotation, welding operation
Frame moves slide plate, and slide plate is slided along sliding slot, and welding gun is affixed with slide plate, and welding gun is moved synchronously with slide plate, and pipette tips are located in sliding slot,
Welding gun is opened, welding gun carries out built-up welding, while pipette tips movement, workpiece rotation, the carry out heap of final pipette tips spiral on workpiece
Weldering, workpiece rotation can cause non-uniform temperature to avoid the presence due to sliding slot, and the present invention has preheating temperature uniformly and automatic
The high feature of change degree.Interior heating sheet includes several fire-bars, fire-bar along heating plate rack circumferencial direction cloth at equal intervals
It sets, can be heated evenly on the inside of workpiece, while each fire-bar is electrically connected with temperature control box, fire-bar is by fixture block and adds
The connection of backing bracket, replacing or repair if necessary fire-bar during built-up welding can individually take corresponding fire-bar
It is replaced or is repaired out, do not influence the progress of built-up welding, the present invention can long-time non-stop run.
Fig. 2 shows that sliding slot 6 is located at the upside of additional backing 2, and the slide plate 7 is equipped in the side close to interior heating sheet 18
Several universal rolling wheels 10, the universal rolling wheel 10 are resisted against on workpiece 5.
It adds universal rolling wheel, guarantees the distance between slide plate and workpiece, prevent apart from too small, slide plate burns out workpiece.
Fig. 1 is shown, at least three temperature sensors 11 is equipped on the inside of additional backing 2, the both ends of the additional backing 2 are respectively
Equipped at least one temperature sensor 11, the middle part of the additional backing 2 is equipped at least one temperature sensor 11, the temperature
Sensor 11 is electrically connected with temperature control box 12.
Temperature sensor is respectively set at the middle part of heating sheet and both ends, temperature sensor is electrically connected with temperature control box, can be with
The temperature for monitoring the multiple points of workpiece heating part in real time, when temperature deviation is larger, temperature control box controls heating sheet and carries out temperature tune
It is whole so that the temperature difference is smaller, in actual use, temperature control box continues simultaneously accurately to control workpiece temperature in 600-700 DEG C of range
It is interior, and the temperature difference≤40 DEG C of workpiece entirety, the present invention have the characteristics that preheating temperature is uniform.
Claims (3)
1. a kind of high temperature primary heater unit for built-up welding, which is characterized in that including pedestal (3), the pedestal (3) if on be hinged with
The dry idler wheel (1) for being used to support columnar workpiece (5), the idler wheel (1) are resisted against workpiece (5) both ends, on the pedestal (3)
It is connected with additional backing (2), the additional backing (2) is set in the middle part of workpiece (5), is connected on the pedestal (3) and workpiece
(5) the interior heating sheet (18) being adapted to, it is interior that the interior heating sheet (18) is located at workpiece (5), is connected on the pedestal (3) and workpiece
(5) coaxial shaft (4), the shaft (4) and workpiece (5) one end are affixed, and additional backing (2) side is equipped with sliding slot (6),
The sliding slot (6) is parallel with the axis where additional backing (2), slidably connects the cunning being adapted to sliding slot (6) in the sliding slot (6)
Piece (7), the slide plate (7) are connected with welding gun (8) far from the side of interior heating sheet (18), and the pedestal (3) is equipped with for pushing away
The welding crosshead (17) of dynamic slide plate (7), the slide plate (7) are fixed in welding crosshead (17), and the welding gun (8) includes rifle
Head (9), the pipette tips (9) are located in sliding slot (6), and a temperature control box (12) is equipped on the outside of the additional backing (2), described additional
Backing (2), slide plate (7) are electrically connected with temperature control box (12) with interior heating sheet (18), are connected with and are added in the interior heating sheet (18)
Backing bracket (13), the heating plate rack (13) are fixed on pedestal (3), and the interior heating sheet (18) includes several fire-bars
(14), the fire-bar (14) is along the circumferencial direction arranged for interval of heating plate rack (13), and the heating plate rack (13) is outside
Surface is equipped with card slot (15) in fire-bar (14) corresponding position, and the fire-bar (14) is equipped with close to card slot (15) side and card slot
(15) fixture block (16) being adapted to, the fixture block (16) are located in card slot (15), and the fire-bar (14) is electric with temperature control box (12)
Connection.
2. a kind of high temperature primary heater unit for built-up welding according to claim 1, which is characterized in that sliding slot (6) position
In the upside of additional backing (2), the slide plate (7) is equipped with several universal rolling wheels (10) in the side close to interior heating sheet (18),
The universal rolling wheel (10) is resisted against on workpiece (5).
3. a kind of high temperature primary heater unit for built-up welding according to claim 1 or 2, which is characterized in that the external heat
At least three temperature sensors (11) are equipped on the inside of piece (2), the both ends of the additional backing (2) are each provided at least one temperature
The middle part of sensor (11), the additional backing (2) is equipped at least one temperature sensor (11), the temperature sensor (11)
It is electrically connected with temperature control box (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811565003.4A CN109570840A (en) | 2018-12-20 | 2018-12-20 | A kind of high temperature primary heater unit for built-up welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811565003.4A CN109570840A (en) | 2018-12-20 | 2018-12-20 | A kind of high temperature primary heater unit for built-up welding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109570840A true CN109570840A (en) | 2019-04-05 |
Family
ID=65931185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811565003.4A Pending CN109570840A (en) | 2018-12-20 | 2018-12-20 | A kind of high temperature primary heater unit for built-up welding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109570840A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5199605A (en) * | 1975-02-28 | 1976-09-02 | Mitsubishi Heavy Ind Ltd | KINZOKUZAINOKANETSUHOHO |
| US4782206A (en) * | 1987-01-27 | 1988-11-01 | The Babcock & Wilcox Company | Method and apparatus for controlling weld bead shape to eliminate microfissure defects when shape melting austenitic materials |
| US6781083B1 (en) * | 2001-08-08 | 2004-08-24 | Howard Derrick Keller | Weld overlay system |
| JP2010142844A (en) * | 2008-12-18 | 2010-07-01 | Mitsubishi Heavy Ind Ltd | Welding apparatus |
| CN206105135U (en) * | 2016-10-13 | 2017-04-19 | 青海海泉新材料科技有限公司 | Circle circle plasma surfacing antifriction plate preheat with heat preservation device |
| CN107457509A (en) * | 2017-08-15 | 2017-12-12 | 安徽卓煌机械设备有限公司 | A kind of limestone crushing roller wearing layer preheating surfacing device |
-
2018
- 2018-12-20 CN CN201811565003.4A patent/CN109570840A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5199605A (en) * | 1975-02-28 | 1976-09-02 | Mitsubishi Heavy Ind Ltd | KINZOKUZAINOKANETSUHOHO |
| US4782206A (en) * | 1987-01-27 | 1988-11-01 | The Babcock & Wilcox Company | Method and apparatus for controlling weld bead shape to eliminate microfissure defects when shape melting austenitic materials |
| US6781083B1 (en) * | 2001-08-08 | 2004-08-24 | Howard Derrick Keller | Weld overlay system |
| JP2010142844A (en) * | 2008-12-18 | 2010-07-01 | Mitsubishi Heavy Ind Ltd | Welding apparatus |
| CN206105135U (en) * | 2016-10-13 | 2017-04-19 | 青海海泉新材料科技有限公司 | Circle circle plasma surfacing antifriction plate preheat with heat preservation device |
| CN107457509A (en) * | 2017-08-15 | 2017-12-12 | 安徽卓煌机械设备有限公司 | A kind of limestone crushing roller wearing layer preheating surfacing device |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190405 |
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| RJ01 | Rejection of invention patent application after publication |