CN202147100U - Preheating device for welding - Google Patents
Preheating device for welding Download PDFInfo
- Publication number
- CN202147100U CN202147100U CN201120237805U CN201120237805U CN202147100U CN 202147100 U CN202147100 U CN 202147100U CN 201120237805 U CN201120237805 U CN 201120237805U CN 201120237805 U CN201120237805 U CN 201120237805U CN 202147100 U CN202147100 U CN 202147100U
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- heating
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- preheating device
- heating plate
- welding
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Abstract
The utility model discloses a preheating device for welding. The device comprises a heating module and an external case power module, wherein the heating module is used for heating parts to be preheating with high-frequency inductance; and the external case power module is used for supplying power for the heating module. The preheating device for welding further comprises a movement module and a built-in power module, wherein the movement module is used for moving the heating module in an auxiliary manner; the built-in power module is used for supplying the power for the movement module; and the heating module is fixedly connected with the movement module. Compared with the existing preheating device for welding a steel plate, the utility model has the advantages as follows: 1, the energy consumption is reduced and the cost is saved; 2, the degree of automation is high; 3, the preheating quality is high; 4, the safety is high; and 5, the heating efficiency is increased.
Description
Technical field
The utility model relates to a kind of preheating device, relates in particular to a kind of welding steel and uses preheating device.
Background technology
Before formal welding job begins, to the solder joint district of steel plate carrying out preheating.Because local sharp heat speed is cold, just possibly crack at welding region during welding, preheating is exactly to slow down the weld zone to swash heat, the cold process of speed.In addition, shrinkage stress be can also reduce after the preheating, and the moisture and the moisture of weld zone got rid of.Existing steel plate pre-heating mean is: the heating of metal of at first switching on silk, heat to steel plate through overheated conduction again.There is drawback in this pre-heating mean:
At first, because the thermal losses in the heat transfer process is higher than reality far away by the heat that steel plate absorbed, therefore the efficiency of heating surface of this pre-heating mean is extremely low.In the actual production, mainboard thickness of preheating surpasses the weld seam of 30mm, and spring, the electric heating sheets heating of 10 kilowatts of required powers just can reach 150 ℃ ~ 200 ℃ technological requirement in 40 minutes.Power consumption is 6.7 kilowatt hour/rice, and this mode of heating not only energy consumption is huge, and heat time heating time is also very long, seriously strangles production efficiency.The thermal efficiency of this mode of heating only is 10% ~ 20%, the serious waste energy.
Secondly, because existing mode of heating adopts surperficial heat conducting mode, be easy to cause surface temperature to reach requirement, and the still lower situation of internal temperature influence preheating quality and welding quality.
Once more, existing preheating device is to accomplish through the heating plate of a 1000mm * 200mm, generally needs to be equipped with special preheating personnel and welding personnel compounding practice, and recruitment quantity is big.
In addition, existing preheating device generally adopts the high temperature tracklayer heater to carry out preheating, outside being prone to aborning heating wire is exposed to, is a very big threat to safety in production; And existing preheating device mainboard temperature is higher than the temperature that steel plate need be heated to far away, also constitutes potential safety hazard.
Summary of the invention
The purpose of the utility model provides a kind of welding preheating device, utilizes electromagnetic induction principle that steel plate is carried out preheating, improves the thermal efficiency, shortens preheating time simultaneously.
In order to achieve the above object, the utility model patent has proposed a kind of welding preheating device, and said device comprises that one is used to treat the heating module that the preheating parts carry out the high-frequency inductor heating, and one is used for the external chassis power supply module to said heating module power supply.
Above-mentioned welding preheating device, said welding preheating device comprise that also one is used for the motion module and that auxiliary said heating module moves and is used for the built-in power module to the motion module power supply, and said heating module is fixed on the said motion module.Obviously, the utility model device can install motion module additional, also can not install motion module additional.
Above-mentioned welding preheating device; Said heating module comprises first heating plate and second heating plate; Said first heating plate and said second heating plate flexibly connect; Said first heating plate comprises and is arranged on the induction coil group that is used to heat in first heating plate, and said second heating plate comprises and is arranged on the induction coil group that is used to heat in second heating plate.The utility model device comprises two heating plates, and the induction coil group in two heating plates can be same coil groups, also can be two separate coil groups.
Above-mentioned welding preheating device, the adjustable included angle joint between said first heating plate and said second heating plate is fixed as between 10 ° to 350 ° arbitrarily angled.The utility model device is fixed with one and regulates the fixed angle device on two heating plates, be used to regulate two angles between the heating plate, thereby adapts to the different preheating steel plate angles of treating.
Above-mentioned welding preheating device, said induction coil group are vertical-type epoxy casting induction coil.
Above-mentioned welding preheating device, said welding preheating device comprise that also one is used for the temperature measurement module of sensing steel plate preheat temperature.
Above-mentioned welding preheating device, said temperature measurement module comprise that a temperature sensor and is used to regulate the temperature controller of said heating module temperature, and said temperature sensor is electrically connected on said temperature controller.
Above-mentioned welding preheating device, said motion module comprise a motor, a frequency converter, a gripper shoe and the roller that is connected in said gripper shoe.
Above-mentioned welding preheating device; Said first heating plate and said second heating plate all are rectangle; The relative one side of said first heating plate and said hinged limit is connected with said gripper shoe, one side said second heating plate relative with said hinged limit also be connected with said gripper shoe.
Above-mentioned welding preheating device, said electrical source of power module is fixed in said gripper shoe, and heating module is external cabinet.
With respect to existing steel plate welding preheating device, the advantage of the utility model is following:
1, cut down the consumption of energy, practice thrift cost, improve the efficiency of heating surface
Use the long weld seam of the utility model welding 20m of preheating device heating, required power is the heating 40 minutes of going of the heating plate of 30kw altogether, total power consumption 20kwh; Prior art then need need electric energy 133kwh in 800 minutes with the heating plate heating accumulative total of 10kw altogether.
The thermal efficiency of the utility model is 90%, only is original 15% than the power consumption of existing welding preheating device, and the time only is original 5%.
Calculate from cost, the structure that needs weld preheating that heats one section 20m according to original mode needs 133kwh, calculates according to the average 0.8 yuan/kilowatt hour of existing commercial power price; Converting to RMB needs 106.4 yuan, and if adopt electromagnetic heating technique, then only needs 20kwh; Amounting to into RMB is 16 yuan, saves 90.4 yuan of costs, and the cost savings rate is 85%; For a medium-sized heavy industry enterprise, annual cost-saved about 1,500,000 yuan.
2, automaticity is high
Automaticity improves, and does not need the professional to operate, and practices thrift the recruitment cost, and special thermometric contact is arranged simultaneously, has reduced the uncontrollable factor of manual operation, makes things convenient for record queries.
3, the preheating quality is high
Since electromagnetic induction heating be a kind of be the induction mode of energy transmission medium with the electromagnetic field; It makes heated interior of articles produce eddy current through the variation of magnetic flux; So heated object is the whole heating of interior of articles and body surface, so there is not the problem of steel plate internal-external temperature difference.
4, safe
Owing to adopted electromagnetic induction heating technology, so coil itself does not produce main heat, the influence during to manual operation is very little, has stopped a lot of potential safety hazards.
Description of drawings
Through the description of its exemplary embodiment being carried out below in conjunction with accompanying drawing, the above-mentioned feature and advantage of the utility model will become apparent and understand easily.
Fig. 1 is the sketch map of welding preheating device first heating plate when vertical with second heating plate;
Fig. 2 is the side view of Fig. 2;
Fig. 3 is welding preheating device first heating plate and second heating plate sketch map when being an acute angle;
Fig. 4 is a welding preheating device A-A face cutaway view shown in Figure 2;
Fig. 5 is a welding preheating device B-B face cutaway view shown in Figure 2;
Fig. 6 is a view before the utility model welding preheating device uses;
View when Fig. 7 is the use of the utility model welding preheating device;
Fig. 8 is the side view of Fig. 7;
Fig. 9 is the sketch map of the utility model welding preheating device first heating plate when becoming 180 ° with second heating plate.
The reference numeral explanation:
1-built-in power module, 2-induction coil group, the 3-temperature sensor,
The 4-gripper shoe, the 41-roller,
5-first steel plate, the 5A-first steel plate preheating zone,
6-second steel plate, the 6A-second steel plate preheating zone,
7-first heating plate, 8-second heating plate, the external chassis power supply module of 9-.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is done further explain.
Embodiment 1: Fig. 1 to Fig. 5 shows a kind of welding preheating device structure of the utility model.
A kind of welding preheating device; Comprise that one is used to treat the heating module that the preheating parts carry out the high-frequency inductor heating; One is used for the external chassis power supply module 9 to said heating module power supply; One is used for the motion module and that the assistant heating module moves is used for the built-in power module 1 to the motion module power supply, and heating module is fixed on the motion module.Built-in power module 1 is the motor driven power supply, and simultaneously, the position of built-in power module 1 also is used to lay motor.
Heating module comprises one first heating plate 7 and the second hinged heating plate 8 of one and first heating plate 7; First heating plate 7 and second heating plate, 8 hinged limits are hinged limit; First heating plate 7 comprises induction coil group 2 and is enclosed in the insulation board outside the induction coil group 2 that second heating plate 8 also comprises induction coil group 2 and is enclosed in the insulation board outside the induction coil group 2.Angle between first heating plate 7 and second heating plate 8 is 10 ° to 350 °.Angle between two block plates that can weld as required is provided with the angle of first heating plate 7 and second heating plate 8 in the heating module through angle regulator (as shown in Figure 3).Preferably, induction coil group 2 is a vertical-type epoxy casting induction coil.
The welding preheating device comprises that also one is used for the temperature measurement module of sensing steel plate preheat temperature.Temperature measurement module comprises that a temperature sensor 3 and is used to regulate the temperature controller (not shown) of heating module temperature, and temperature sensor 3 is electrically connected on said temperature controller.
Motion module comprises a motor, a frequency converter, a gripper shoe 4 and the roller that is connected in gripper shoe 4.Power module 1 is fixed in gripper shoe 4.
Fig. 6 shows the welding preheating device and uses preceding view; View when Fig. 7 and Fig. 8 show the use of welding preheating device.The direction that direction shown in the arrow moves for the welding preheating device.Before the welding, first heating plate 7 and second heating plate 8 are adjusted to proper angle, heating module can be fitted with first steel plate 5 and second steel plate 6 to be welded.To weld preheating device and be placed on the steel plate, the roller 41 on the gripper shoe 4 contacts with steel plate, guarantees that whole welding preheating device can move on steel plate, respectively the preheating first steel plate preheating zone 5A and the second steel plate preheating zone 6A.The utility model disposes motion module at heating module, and heating module can be gone according to preset course automatically, cooperates the follow-up of later welded dolly to weld.
The operation principle of the utility model welding preheating device is following:
1. the stem of this device is put into the starting point that needs preheating place and near steel plate;
2. turn on the power switch, on one side heating module begins heating, Yi Bian go near steel plate;
3. when the heating module end drives to heating starting point place, open temperature switch, carry out real time temperature by temperature sensor 3 and measure;
4. temperature controller receives the signal of temperature sensor 3, then continue to keep original power if temperature is suitable, then increases power automatically if temperature reduces, and then begins to reduce power output if temperature is too high, cuts down the consumption of energy;
5. welding tractor is immediately following after welding preheating device; In time weld, temperature sensor 3 must be above the welding tractor welding gun in addition, and the temperature during with definite welding reaches required welding temperature; Still do not meet preset requirement if regulate the back temperature, then give the alarm automatically;
6. the end of waiting until the welding preheating device drives to powered-down switch, temperature switch when needing preheating steel plate terminal;
7. treat that the dolly welding finishes, take off dolly, welding finishes.
Embodiment 2:
Be that with the difference of embodiment 1 whole device does not have the mounted movable module, during uneasiness shipment dynamic model piece, the workflow of the utility model welding preheating device is following:
1. heating plate is put into and needs preheating place starting point and near steel plate;
2. opening power heats
3. measure at the heating object reverse side with temperature measurement equipment
4. if reaching, temperature then stops heating
5. then do not continue heating if reach.
It should be noted that; Above content is the further explain that combines concrete embodiment that the utility model is done; The specific embodiment that can not assert the utility model only limits to this; Under the above-mentioned guidance of the utility model, those skilled in the art can carry out various improvement and distortion on the basis of the foregoing description, and these improve or distortion drops in the protection domain of the utility model.
Claims (8)
1. welding preheating device is characterized in that: said device comprises that one is used to treat the heating module that the preheating parts carry out the high-frequency inductor heating, and one is used for the external chassis power supply module to said heating module power supply.
2. welding preheating device according to claim 1 is characterized in that:
Said welding preheating device comprises that also one is used for the motion module and that auxiliary said heating module moves and is used for the built-in power module to the motion module power supply, and said heating module is fixed on the said motion module.
3. welding preheating device according to claim 2 is characterized in that:
Said heating module comprises first heating plate and second heating plate; Said first heating plate and said second heating plate flexibly connect; Said first heating plate comprises and is arranged on the induction coil group that is used to heat in first heating plate, and said second heating plate comprises and is arranged on the induction coil group that is used to heat in second heating plate.
4. welding preheating device according to claim 3 is characterized in that:
Adjustable included angle joint between said first heating plate and said second heating plate is fixed as between 10 ° to 350 ° arbitrarily angled.
5. welding preheating device according to claim 3 is characterized in that:
Said induction coil group is a vertical-type epoxy casting induction coil.
6. welding preheating device according to claim 2 is characterized in that:
Said welding preheating device comprises that also one is used for the temperature measurement module of sensing steel plate preheat temperature.
7. welding preheating device according to claim 6 is characterized in that:
Said temperature measurement module comprises that a temperature sensor and is used to regulate the temperature controller of said heating module temperature, and said temperature sensor is electrically connected on said temperature controller.
8. welding preheating device according to claim 2 is characterized in that:
Said motion module comprises a motor, a frequency converter, a gripper shoe and the roller that is connected in said gripper shoe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120237805U CN202147100U (en) | 2011-07-07 | 2011-07-07 | Preheating device for welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120237805U CN202147100U (en) | 2011-07-07 | 2011-07-07 | Preheating device for welding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202147100U true CN202147100U (en) | 2012-02-22 |
Family
ID=45588175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120237805U Expired - Fee Related CN202147100U (en) | 2011-07-07 | 2011-07-07 | Preheating device for welding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202147100U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102922184A (en) * | 2012-11-14 | 2013-02-13 | 徐州重型机械有限公司 | Welding device and welding equipment with same |
| CN103447741A (en) * | 2013-07-23 | 2013-12-18 | 南京工业大学 | Preheating unit for lead lining process |
| CN103587117A (en) * | 2013-11-27 | 2014-02-19 | 苏州新华软智能装备有限公司 | Plastic profile welding induction heater |
| CN106271255A (en) * | 2016-09-07 | 2017-01-04 | 泉州圆创机械技术开发有限公司 | A kind of electromagnetic type welding equipment |
-
2011
- 2011-07-07 CN CN201120237805U patent/CN202147100U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102922184A (en) * | 2012-11-14 | 2013-02-13 | 徐州重型机械有限公司 | Welding device and welding equipment with same |
| CN102922184B (en) * | 2012-11-14 | 2016-02-24 | 徐州重型机械有限公司 | Welding equipment |
| CN103447741A (en) * | 2013-07-23 | 2013-12-18 | 南京工业大学 | Preheating unit for lead lining process |
| CN103447741B (en) * | 2013-07-23 | 2016-04-06 | 南京工业大学 | One wards off splicer's skill preheating device |
| CN103587117A (en) * | 2013-11-27 | 2014-02-19 | 苏州新华软智能装备有限公司 | Plastic profile welding induction heater |
| CN106271255A (en) * | 2016-09-07 | 2017-01-04 | 泉州圆创机械技术开发有限公司 | A kind of electromagnetic type welding equipment |
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Legal Events
| 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: 20120222 Termination date: 20140707 |
|
| EXPY | Termination of patent right or utility model |