CN109365969A - A kind of temperature regulating device of Plasma Welding - Google Patents
A kind of temperature regulating device of Plasma Welding Download PDFInfo
- Publication number
- CN109365969A CN109365969A CN201811219144.0A CN201811219144A CN109365969A CN 109365969 A CN109365969 A CN 109365969A CN 201811219144 A CN201811219144 A CN 201811219144A CN 109365969 A CN109365969 A CN 109365969A
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- Prior art keywords
- temperature
- fixedly connected
- controlled box
- wall
- plate
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- 238000003466 welding Methods 0.000 title claims abstract description 61
- 230000001105 regulatory effect Effects 0.000 title claims abstract description 18
- 238000010438 heat treatment Methods 0.000 claims abstract description 25
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 18
- 229910052721 tungsten Inorganic materials 0.000 claims description 18
- 239000010937 tungsten Substances 0.000 claims description 18
- 230000000694 effects Effects 0.000 claims description 15
- 238000005192 partition Methods 0.000 claims description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 230000007547 defect Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 6
- 238000009413 insulation Methods 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 230000036413 temperature sense Effects 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
Classifications
-
- 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
- B23K10/00—Welding or cutting by means of a plasma
- B23K10/02—Plasma welding
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Arc Welding In General (AREA)
Abstract
The present invention relates to valve welding technology fields, and disclose a kind of temperature regulating device of Plasma Welding, including temperature-controlled box, the outer right wall of the temperature-controlled box is fixedly connected with controller, the bottom of the inside inner wall of the temperature-controlled box is fixedly connected with control switch, the two sides of the temperature-controlled box upper surface offer fixing groove, the bottom of the fixing groove inner wall is fixedly connected with first hydraulic cylinder, fixed plate is fixedly connected at the top of the first hydraulic cylinder, the lower surface of the fixed plate has been respectively fixedly connected with connecting rod and plasma welding connector.The temperature regulating device of the Plasma Welding, the temperature inside mounting groove is incuded by temperature inductor, facilitate the lifting of control second hydraulic cylinder, have the function that control the circulation of heating plate internal current, air around placing groove is preheated and kept the temperature using heating plate is convenient, the temperature change that welding position is reduced when welding to valve, reduces the generation of welding defect caused by welding stress.
Description
Technical field
The present invention relates to valve welding technology field, specially a kind of temperature regulating device of Plasma Welding.
Background technique
Valve carries out high speed reciprocating motion under high temperature environment, and valve discone antenna surface is under high temperature environment by the reciprocal punching of great number time
It hits power effect and air-flow high speed is washed away, working environment is extremely severe, has to resistance to the superintending and directing property and high temperature resistance of valve discone antenna surface
Very high requirement.And the high-temperature behavior of valve base material can not meet the requirement of engine, now use Plasma Welding technique,
Enhance valve-face wearability and high temperature resistance in valve discone antenna surface built-up welding cobalt-base alloys.Plasma surfacing technology is to utilize gas
Body when compression arc area ionizes generated plasma as heat source, along with metal powder carried out as filler one
The efficient built-up welding means of kind have the characteristics that heat is big, arc current density is big, the built-up welding zone of influence is small, welding speed becomes faster.
When being welded using Plasma Welding to valve, the temperature change of valve welding position is very fast, the welding of valve
Position is easy because welding stress causes certain welding defect.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, it the present invention provides a kind of temperature regulating device of Plasma Welding, solves using plasma
When welding, the welding stress of generation is easy the problem of causing welding defect to the inside of valve.
(2) technical solution
To achieve the above object, the invention provides the following technical scheme: a kind of temperature regulating device of Plasma Welding, including temperature control
Case, the outer right wall of the temperature-controlled box are fixedly connected with controller, and the bottom of the inside inner wall of the temperature-controlled box is fixedly connected with
Control switch, the two sides of the temperature-controlled box upper surface offer fixing groove, and the bottom of the fixing groove inner wall is fixedly connected with
First hydraulic cylinder is fixedly connected with fixed plate at the top of the first hydraulic cylinder, and the lower surface of the fixed plate is fixed respectively to be connected
It is connected to connecting rod and plasma welding connector, the bottom end of the connecting rod is fixedly connected with tungsten plate, the lower surface overlap joint of the tungsten plate
At the top of control switch, the upper surface of the tungsten plate offers placing groove, and the inside of the temperature-controlled box offers mounting groove, institute
It states side inner wall fixation of the mounting groove inside temperature-controlled box and is plugged with heating plate, the heating plate is far from one inside temperature-controlled box
Side is fixedly connected with the first conducting block, and the left side outer wall of the temperature-controlled box offers loose slot, the inside of the loose slot with
The inside of mounting groove is connected to, and the bottom and top of the loose slot inner wall are fixedly connected with the top of support rod and bottom end respectively,
The surface of the support rod is fixedly connected with elastic slice, and the internal slide of the loose slot is connected with movable plate, the movable plate
The inside of internal block offers inserting groove, and the internal activity of the inserting groove is socketed in the surface of support rod, the movable plate position
One side inside mounting groove is fixedly connected with the second conducting block, and is fixedly connected on the left of the mounting groove bottom interior wall
Two hydraulic cylinders, the top of the second hydraulic cylinder are fixedly connected with partition, and the upper surface of the partition is fixedly connected with power block,
The two sides outer wall of the power block is overlapped with the opposite face of the first conducting block and the second conducting block respectively, in the mounting groove top
Temperature inductor is fixedly connected on the right side of wall.
Preferably, the quantity of the connecting rod is four, and the bottom end of four connecting rods is respectively fixedly connected on tungsten plate
The quadrangle on surface.
Preferably, the median vertical line of the median vertical line of the plasma welding connector and placing groove is located at same straight line.
Preferably, the elastic slice is iron arc-like sheet, and the one side that the movable plate is located at outside temperature-controlled box is fixedly connected
There is torsion block.
Preferably, first conducting block, the second conducting block and power block are copper billet, and the movable plate is with partition
Plastic plate.
Preferably, the output end of the temperature inductor is electrically connected with the input terminal of controller, the temperature inductor
Input terminal is electrically connected with the output end of control switch, the output end of the controller respectively with first hydraulic cylinder, second hydraulic cylinder
It is electrically connected with the input terminal of temperature inductor.
(3) beneficial effect
Compared with prior art, the present invention provides a kind of temperature regulating device of Plasma Welding, have it is following the utility model has the advantages that
1, the temperature regulating device of the Plasma Welding incudes the temperature inside mounting groove by temperature inductor, facilitates control
The lifting of second hydraulic cylinder processed has the function that control the circulation of heating plate internal current, convenient to placing groove week using heating plate
The air enclosed is preheated and is kept the temperature, and the temperature change of welding position is reduced when welding to valve, is reduced welding stress and is made
At welding defect generation.
2, the temperature regulating device of the Plasma Welding, being played by partition and movable plate prevents in the second conducting block and power block
The effect of portion's current leakage improves the safety of device, and the effect using fixed plate to the space isolation inside temperature-controlled box improves
Insulation effect inside temperature-controlled box.
Detailed description of the invention
Fig. 1 is structure of the invention front elevational view；
Fig. 2 is schematic enlarged-scale view at A in Fig. 1；
Fig. 3 bows for present invention installation slot structure and cuts open figure；
Fig. 4 is structure of the invention systematic schematic diagram.
In figure: 1 temperature-controlled box, 2 controllers, 3 control switches, 4 fixing grooves, 5 first hydraulic cylinders, 6 fixed plates, 7 connecting rods, 8
Plasma welding connector, 9 tungsten plates, 10 placing grooves, 11 mounting grooves, 12 heating plates, 13 first conducting blocks, 14 loose slots, 15 support rods,
16 elastic slices, 17 movable plates, 18 inserting grooves, 19 second conducting blocks, 20 second hydraulic cylinders, 21 partitions, 22 power blocks, 23 temperature senses
Device.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-4, a kind of temperature regulating device of Plasma Welding, including temperature-controlled box 1, the surface of temperature-controlled box 1 is please referred to be respectively provided with
There is electro-insulating rubber layer, plays the role of preventing 1 internal current of temperature-controlled box from leaking, guarantee certain safety, the right side of temperature-controlled box 1
Outer wall is fixedly connected with controller 2, and the bottom of the inside inner wall of temperature-controlled box 1 is fixedly connected with control switch 3, table on temperature-controlled box 1
The two sides in face offer fixing groove 4, and the bottom of 4 inner wall of fixing groove is fixedly connected with first hydraulic cylinder 5, first hydraulic cylinder 5
Top is fixedly connected with fixed plate 6, and the lower surface of fixed plate 6 has been respectively fixedly connected with connecting rod 7 and plasma welding connector 8, even
The bottom end of extension bar 7 is fixedly connected with tungsten plate 9, and the quantity of connecting rod 7 is four, and fixation connects respectively for the bottom end of four connecting rods 7
The quadrangle in 9 upper surface of tungsten plate is connect, connecting rod 7 plays the role of stablizing support when tungsten plate 9 is moved, and reduces tungsten plate 9 and shakes
Dynamic situation, the lower surface of tungsten plate 9 are overlapped on the top of control switch 3, and the upper surface of tungsten plate 9 offers placing groove 10, wait from
The median vertical line of sub- plumb joint 8 and the median vertical line of placing groove 10 are located at same straight line, and placing groove 10 is valve and welding material
Welding provides mobile placement space, facilitates plasma welding connector 8 to weld valve, the inside of temperature-controlled box 1 offers peace
Tankage 11, side inner wall of the mounting groove 11 inside temperature-controlled box 1 is fixed to be plugged with heating plate 12, and heating plate 12 is stainless steel
Plate, stainless steel plate have certain resistance, and heating plate 12 can distribute certain heat when electric current passes through 12 inside of heating plate, reach
The effect of heating, heating plate 12 are fixedly connected with the first conducting block 13, a left side for temperature-controlled box 1 far from the one side inside temperature-controlled box 1
Side outer wall offers loose slot 14, and the inside of loose slot 14 is connected to the inside of mounting groove 11, the bottom of 14 inner wall of loose slot and
Top is fixedly connected with the top of support rod 15 and bottom end respectively, and the surface of support rod 15 is fixedly connected with elastic slice 16, elastic slice 16
For iron arc-like sheet, there is elastic slice 16 certain deformability elastic slice 16 can be made to be caught in inserting groove under certain active force
In 18, and make movable plate 17 by elastic slice 16, the internal slide of loose slot 14 is connected with movable plate 17, and movable plate 17 is located at temperature control
One side outside case 1 is fixedly connected with torsion block, provides certain active force using the movement that block is conveniently movable plate 17 is turned round, side
Just the movement of movable plate 17 is controlled, the inside of the internal block of movable plate 17 offers inserting groove 18, inserting groove 18 it is interior
Portion is actively socketed on the surface of support rod 15, and the one side that movable plate 17 is located inside mounting groove 11 is fixedly connected with the second conduction
Block 19 is fixedly connected with second hydraulic cylinder 20 on the left of 11 bottom interior wall of mounting groove, and the top of second hydraulic cylinder 20 is fixedly connected
There is partition 21, the upper surface of partition 21 is fixedly connected with power block 22, the first conducting block 13, the second conducting block 19 and power block 22
It is copper billet, movable plate 17 and partition 21 are plastic plate, and the inside of the second conducting block 19 is carried out by conductive with external power supply
Connection, copper have preferable electric conductivity, use the power on block 22 and the first conducting block 13 conveniently makes electric current stream inside heating plate 12
It is logical, so that heating plate 12 is played the effect of heating, plastic plate has preferable insulating properties, and playing prevents the second conducting block 19 and be powered
The effect of 22 internal current of block leakage, the two sides outer wall of power block 22 phase with the first conducting block 13 and the second conducting block 19 respectively
Opposite overlaps, and is fixedly connected with temperature inductor 23, the model of temperature controller 23 on the right side of 11 top inner wall of mounting groove
The output end of WSJ-2700, temperature inductor 23 are electrically connected with the input terminal of controller 2, the input terminal of temperature inductor 23 and control
Make switch 3 output end be electrically connected, the output end of controller 2 respectively with first hydraulic cylinder 5, second hydraulic cylinder 20 and temperature sense
The input terminal of device 23 is electrically connected, and temperature inductor 23 can incude the temperature inside mounting groove 11, passes through control second
The conveniently moving of hydraulic cylinder 20 makes the current flowing in heating plate 12, has the function that heating, makes in mounting groove 11 and temperature-controlled box 1
Certain temperature is kept, the temperature of holding is between 150~250 degree, by temperature inductor 23 to the temperature inside mounting groove 11
Degree is incuded, and the lifting of control second hydraulic cylinder 20 is facilitated, and is haved the function that control the circulation of 12 internal current of heating plate, be utilized
Heating plate 12 is convenient to be preheated and is kept the temperature to the air around placing groove 10, and welding position is reduced when welding to valve
Temperature change reduces the generation of welding defect caused by welding stress, and being played by partition 21 and movable plate 17 prevents second to lead
Electric block 19 and 22 internal current of power block leakage effect, improve the safety of device, using fixed plate 6 to temperature-controlled box 1 inside
Space isolation effect, improve temperature-controlled box 1 inside insulation effect.
The electric elements occurred in this article are electrically connected with extraneous main controller and 220V alternating current, and main controller can be meter
Calculation machine etc. plays the conventionally known equipment of control.
When in use, valve and cobalt-base alloys are placed in placing groove 10, controller 2 controls first hydraulic cylinder 5 and carries out
It shrinks, first hydraulic cylinder 5 drives fixed plate 6 to move down, and fixed plate 6 drives tungsten plate 9 to move into temperature-controlled box 1 using connecting rod 7,
The following table face contact control switch 3 of tungsten plate 9, control switch 3 control temperature inductor 23 by controller 2 and open, temperature sense
Induction 11 internal temperature of mounting groove of device 23 is lower, controls second hydraulic cylinder 20 using controller 2 and moves up with dynamic dividing plate 21, every
Plate 21 drives power block 22 to contact the first conducting block 13, and movable plate 17 is moved down, and movable plate 17 drives inserting groove 18 to pass through
Elastic slice 16 and the lower section for being moved to elastic slice 16, movable plate 17 drive the second conducting block 19 to contact power block, 12 inside electricity of heating plate
Stream circulation, heating plate 12 is internally heated temperature-controlled box 1 and mounting groove 11, after 1 internal temperature of temperature-controlled box is certain, plasma welding
Connector 9 welds valve, and after completing welding, 1 internal temperature of temperature-controlled box is maintained in control temperature, completes heat preservation, heat preservation
After the completion, controller 2 controls the drive of first hydraulic cylinder 5 fixed plate 6 and moves up, and tungsten plate 9 is removed temperature-controlled box 1 and completes to reset.
In conclusion the temperature regulating device of the Plasma Welding, by temperature inductor 23 to the temperature inside mounting groove 11
Incuded, facilitate the lifting of control second hydraulic cylinder 20, has the function that control the circulation of 12 internal current of heating plate, using adding
Hot plate 12 is convenient to be preheated and is kept the temperature to the air around placing groove 10, and the temperature of welding position is reduced when welding to valve
Degree variation, reduces the generation of welding defect caused by welding stress, and being played by partition 21 and movable plate 17 prevents the second conduction
Block 19 and 22 internal current of power block leakage effect, improve the safety of device, using fixed plate 6 to temperature-controlled box 1 inside
The effect of space isolation, improves the insulation effect inside temperature-controlled box 1.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of temperature regulating device of Plasma Welding, including temperature-controlled box (1), it is characterised in that: outside the right side of the temperature-controlled box (1)
Wall is fixedly connected with controller (2), and the bottom of the inside inner wall of the temperature-controlled box (1) is fixedly connected with control switch (3), described
The two sides of temperature-controlled box (1) upper surface offer fixing groove (4), and the bottom of fixing groove (4) inner wall is fixedly connected with first
Hydraulic cylinder (5) is fixedly connected with fixed plate (6) at the top of the first hydraulic cylinder (5), the lower surface point of the fixed plate (6)
It is not fixedly connected with connecting rod (7) and plasma welding connector (8), the bottom end of the connecting rod (7) is fixedly connected with tungsten plate (9),
The lower surface of the tungsten plate (9) is overlapped on the top of control switch (3), and the upper surface of the tungsten plate (9) offers placing groove
(10), the inside of the temperature-controlled box (1) offers mounting groove (11), and the one of the mounting groove (11) close temperature-controlled box (1) inside
Inner wall fixation in side is plugged with heating plate (12), and the heating plate (12) is fixedly connected with far from temperature-controlled box (1) internal one side
The left side outer wall of first conducting block (13), the temperature-controlled box (1) offers loose slot (14), the inside of the loose slot (14) with
The inside of mounting groove (11) is connected to, the bottom and top of loose slot (14) inner wall top and bottom with support rod (15) respectively
End is fixedly connected, and the surface of the support rod (15) is fixedly connected with elastic slice (16), and the internal slide of the loose slot (14) connects
It is connected to movable plate (17), the inside of the internal block of the movable plate (17) offers inserting groove (18), the inserting groove (18)
Internal activity is socketed in the surface of support rod (15), and the movable plate (17) is located at the fixed company of the internal one side of mounting groove (11)
It is connected to the second conducting block (19), is fixedly connected with second hydraulic cylinder (20) on the left of mounting groove (11) bottom interior wall, it is described
The top of second hydraulic cylinder (20) is fixedly connected with partition (21), and the upper surface of the partition (21) is fixedly connected with power block
(22), opposite face of the two sides outer wall of the power block (22) respectively with the first conducting block (13) and the second conducting block (19) is taken
It connects, is fixedly connected with temperature inductor (23) on the right side of mounting groove (11) top inner wall.
2. a kind of temperature regulating device of Plasma Welding according to claim 1, it is characterised in that: the connecting rod (7)
Quantity is four, and the bottom end of four connecting rods (7) is respectively fixedly connected in the quadrangle of tungsten plate (9) upper surface.
3. a kind of temperature regulating device of Plasma Welding according to claim 1, it is characterised in that: the plasma welding connector
(8) median vertical line of median vertical line and placing groove (10) is located at same straight line.
4. a kind of temperature regulating device of Plasma Welding according to claim 1, it is characterised in that: the elastic slice (16) is iron
Arc-like sheet processed, the movable plate (17) are located at the external one side of temperature-controlled box (1) and are fixedly connected with torsion block.
5. a kind of temperature regulating device of Plasma Welding according to claim 1, it is characterised in that: first conducting block
(13), the second conducting block (19) and power block (22) are copper billet, and the movable plate (17) and partition (21) are plastic plate.
6. a kind of temperature regulating device of Plasma Welding according to claim 1, it is characterised in that: the temperature inductor
(23) output end is electrically connected with the input terminal of controller (2), the input terminal of the temperature inductor (23) and control switch (3)
Output end electrical connection, the output end of the controller (2) respectively with first hydraulic cylinder (5), second hydraulic cylinder (20) and temperature
The input terminal of inductor (23) is electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811219144.0A CN109365969A (en) | 2018-10-19 | 2018-10-19 | A kind of temperature regulating device of Plasma Welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811219144.0A CN109365969A (en) | 2018-10-19 | 2018-10-19 | A kind of temperature regulating device of Plasma Welding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109365969A true CN109365969A (en) | 2019-02-22 |
Family
ID=65400563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811219144.0A Pending CN109365969A (en) | 2018-10-19 | 2018-10-19 | A kind of temperature regulating device of Plasma Welding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109365969A (en) |
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| CN103223596A (en) * | 2013-05-15 | 2013-07-31 | 山西潞安煤炭技术装备有限责任公司 | Micro-arc plasma cladding and machining integrated device for hydraulic support piston rod |
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| KR20170106532A (en) * | 2016-03-10 | 2017-09-21 | (주)플라즈마텍 | Apparatus for controlling a purge heater of electric dust collector |
| CN107787060A (en) * | 2017-09-28 | 2018-03-09 | 南通大鲸智能科技有限公司 | A kind of environment-friendly and energy-efficient electric heating mechanism |
| CN108557228A (en) * | 2018-05-25 | 2018-09-21 | 屈珠丽 | A kind of Handy movable has the medical incubator of temperature incubation function |
| CN209006860U (en) * | 2018-10-19 | 2019-06-21 | 镇江维纳特气门有限公司 | A kind of temperature regulating device of Plasma Welding |
-
2018
- 2018-10-19 CN CN201811219144.0A patent/CN109365969A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103223596A (en) * | 2013-05-15 | 2013-07-31 | 山西潞安煤炭技术装备有限责任公司 | Micro-arc plasma cladding and machining integrated device for hydraulic support piston rod |
| CN105297355A (en) * | 2015-10-12 | 2016-02-03 | 安徽安泽电工股份有限公司 | Washing machine heater with flow diversion heating plates |
| KR20170106532A (en) * | 2016-03-10 | 2017-09-21 | (주)플라즈마텍 | Apparatus for controlling a purge heater of electric dust collector |
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| CN108557228A (en) * | 2018-05-25 | 2018-09-21 | 屈珠丽 | A kind of Handy movable has the medical incubator of temperature incubation function |
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Application publication date: 20190222 |