CN201455064U - Intermediate-frequency heating cold bend processing equipment - Google Patents
Intermediate-frequency heating cold bend processing equipment Download PDFInfo
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- CN201455064U CN201455064U CN2009200923919U CN200920092391U CN201455064U CN 201455064 U CN201455064 U CN 201455064U CN 2009200923919 U CN2009200923919 U CN 2009200923919U CN 200920092391 U CN200920092391 U CN 200920092391U CN 201455064 U CN201455064 U CN 201455064U
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- frequency heating
- heating device
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- cold
- bending
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Abstract
The utility model discloses intermediate-frequency heating cold bend processing equipment which comprises an intermediate-frequency heating device and a cold bending machine. The intermediate-frequency heating device and the cold bending machine are fixedly connected into a whole; the discharging opening of the intermediate-frequency heating device is connected with the feeding opening of the cold bending machine. The intermediate-frequency heating cold bend processing equipment adopts the clod bending machine with higher bending capacity and the domestically designed intermediate-frequency heating device; and the cost of the intermediate-frequency heating device is low, only 1/20 of the cost of a whole set of tube bending machine; a intermediate-frequency power supply has high speed and good diathermic effect and can uniformly heat. By adopting the technology, during the bending of a previous bent tube, a next tube can be preheated, therefore, the production efficiency basically has no difference with simple cold bending; intermediate-frequency preheating has the advantages of higher efficiency and evener heating and can well guarantee the quality of the cold bend in comparison with other preheating modes, such as coal, gas and the like; and meanwhile, intermediate-frequency heating has the advantages of environmental protection, energy saving and low cost and can improve working efficiency, lower labor intensity and can create significant production benefit for enterprises.
Description
Technical field
The utility model belongs to shape or bending pipes technical field, relates in particular to heating in medium frequency clod wash pipe process equipment.
Background technology
Along with greatly developing of overcritical more than the 600MW, ultra supercritical power station unit, the caliber and the wall thickness of boiler tube connector constantly increase, and existing clod wash equipment can't carry out bending machining; The employing heating in medium frequency bends, because boiler tube connector space bent pipe is many, many, the more complicated of angle, the medium frequency bending of pipe machine can't guarantee crudy and need to increase a large amount of weld bonds because of device-restrictive, and for also needing to increase Technology for Heating Processing behind the part bend pipe employing hot bending, the claim for eot and the processing cost of pipe bending processing significantly increase.
The utility model content
The utility model provides a kind of heating in medium frequency clod wash pipe process equipment that carries out clod wash after the heating in medium frequency that adopts in order to solve weak point of the prior art.
For solving the problems of the technologies described above, the utility model adopts following technical scheme: heating in medium frequency clod wash pipe process equipment, comprise the frequency heating device and the forming mill that are connected to one, and the discharging opening of frequency heating device is connected with the charging aperture of forming mill.
Described frequency heating device comprises that fixed mount, fixed mount are provided with intermediate frequency power supply, electric capacity, heat tunnel, induction coil, and induction coil is located on the heat tunnel, and intermediate frequency power supply, electric capacity and induction coil are connected by lead, and heat tunnel is provided with several rollers.
Described forming mill comprises frame, frame is provided with turning cylinder, boosting turning rolls and clamp, turning cylinder is provided with discoidal bending die, the boosting turning rolls is provided with the boosting roller, bending die cooperates with clamp and boosting roller respectively, passage that forms between boosting roller and the bending die and the corresponding setting of heat tunnel front and back level, boosting roller rear end is provided with guide pad.
Adopt said structure, the beneficial effect that reaches is respectively:
1, frequency heating device and forming mill are wholely set, and the discharging opening of frequency heating device is connected with the charging aperture of forming mill, and compact conformation, operation be easier, reduce cost, fully enhance productivity.
2, select suitable intermediate frequency power supply according to pipeline specifications and actual conditions, heating-up temperature can not exceed tubing lower limit critical-temperature (T is critical) and deduct 56 ℃, can use intermediate frequency power supply that pipeline is carried out preheating after induction coil and intermediate frequency power supply connected, make steel pipe treat that bight portion passes through induction coil inside, feed electric current of intermediate frequency then, the principle of utilizing electromagnetic induction changes electric energy into heat energy and forms band shape heating region on the pipeline of induction coil being with, through certain hour, temperature reaches set point of temperature, is transported to forming mill again and bends.
3, passage that forms between boosting roller and the bending die and the corresponding setting of heat tunnel front and back level, by the rotation of the roller on the heat tunnel pipeline that heats being sent into forming mill bends, do not need to take crane, and faster more timely, reduce temperature and descend.
The utility model adopts the frequency heating device that bends the higher forming mill of ability and design voluntarily, the expense of frequency heating device has only 1/20 of whole bending machine expense of buying, cost is lower. fast and diathermanous effective can evenly heating of intermediate frequency power supply firing rate, adopt after this technology that to bend in the process next branch pipe(tube) at a last bend pipe just can preheating good, production efficiency and simple clod wash do not have much difference. adopt intermediate frequency other preheating method of pre-ratio of specific heat such as coal, efficient height such as combustion gas, homogeneous heating, can better guarantee bending quality, adopt the heating in medium frequency environmental protection simultaneously, energy-conservation, cost is low, increase work efficiency, alleviate labor strength, can be enterprise and create good productivity effect.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
The specific embodiment
As shown in Figure 1, heating in medium frequency clod wash pipe process equipment of the present utility model comprises the frequency heating device 1 and the forming mill 2 that are connected to one, and the discharging opening 3 of frequency heating device 1 is connected with the charging aperture 4 of forming mill 2.Frequency heating device 1 comprises that fixed mount 5, fixed mount 5 are provided with intermediate frequency power supply 6, electric capacity 7, heat tunnel 8, induction coil 9, induction coil 9 is located on the heat tunnel 8, intermediate frequency power supply 6, electric capacity 7 and induction coil 9 are connected by lead, and heat tunnel 8 is provided with several rollers 10.Forming mill 2 comprises frame 11, frame 11 is provided with turning cylinder 12, boosting turning rolls 13 and clamp 14, turning cylinder 12 is provided with discoidal bending die 15, boosting turning rolls 13 is provided with boosting roller 16, bending die 15 cooperates with clamp 14 and boosting roller 16 respectively, the passage and the corresponding setting of heat tunnel 8 front and back levels that form between boosting roller 16 and the bending die 15, boosting roller 16 rear ends are provided with guide pad 17.The pipe diameter of the most of employing of boiler tube connector clod wash generally is not more than φ 219mm, wall thickness is not more than 40mm, so intermediate frequency power supply selects power 200KW frequency 1000HZ to get final product.Make corresponding induction coil 9 according to pipeline specifications to be bending and bend pipe arc length, induction coil 9 employing side's copper pipes are made, logical recirculated water cooling in the copper pipe.
When work is used, pipeline 20 is placed on the roller 10 in the heat tunnel 8, need the position of heating to be positioned at induction coil 9, according to cold bend(ing) and cold forming is to be lower than the principle that bends that tubing lower limit critical-temperature (T is critical) carries out below 56 ℃ in temperature, pipeline 20 temperature are heated to the yield strength that proper temperature reduces pipeline 20, then pipeline 20 is transported on the forming mill 2, enter the passage that forms between boosting roller 16 and the bending die 15 by boosting roller 16, turning cylinder drives bending die 15 and rotates, pipeline 20 is crooked gradually along guide pad 17, by bending die 15 and clamp 14 pipeline 20 is bent successfully at last.(arrow points is bending die 15 rotation directions among the figure).
Claims (3)
1. heating in medium frequency clod wash pipe process equipment, it is characterized in that: comprise the frequency heating device and the forming mill that are connected to one, the discharging opening of frequency heating device is connected with the charging aperture of forming mill.
2. heating in medium frequency clod wash pipe process equipment according to claim 1, it is characterized in that: described frequency heating device comprises that fixed mount, fixed mount are provided with intermediate frequency power supply, electric capacity, heat tunnel, induction coil, induction coil is located on the heat tunnel, intermediate frequency power supply, electric capacity and induction coil are connected by lead, and heat tunnel is provided with several rollers.
3. heating in medium frequency clod wash pipe process equipment according to claim 2, it is characterized in that: described forming mill comprises frame, frame is provided with turning cylinder, boosting turning rolls and clamp, turning cylinder is provided with discoidal bending die, the boosting turning rolls is provided with the boosting roller, bending die cooperates with clamp and boosting roller respectively, passage that forms between boosting roller and the bending die and the corresponding setting of heat tunnel front and back level, and boosting roller rear end is provided with guide pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200923919U CN201455064U (en) | 2009-08-14 | 2009-08-14 | Intermediate-frequency heating cold bend processing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200923919U CN201455064U (en) | 2009-08-14 | 2009-08-14 | Intermediate-frequency heating cold bend processing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201455064U true CN201455064U (en) | 2010-05-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200923919U Expired - Fee Related CN201455064U (en) | 2009-08-14 | 2009-08-14 | Intermediate-frequency heating cold bend processing equipment |
Country Status (1)
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| CN (1) | CN201455064U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102240707A (en) * | 2011-05-10 | 2011-11-16 | 山东雷帕得弹簧有限公司 | Automatic pipe bending device and pipe bending process thereof |
| CN102310308A (en) * | 2010-06-30 | 2012-01-11 | 沈阳瑞宏管件有限公司 | Homogeneous-tube pushing manufacturing method for pushed elbows |
| CN102641924A (en) * | 2012-05-10 | 2012-08-22 | 西安向阳航天材料股份有限公司 | Manufacturing device and method for bimetal composite hot bend |
| CN103831327A (en) * | 2012-11-27 | 2014-06-04 | 蔡凤珍 | Improved pipe bending machine with high bending accuracy |
| CN104028673A (en) * | 2014-05-20 | 2014-09-10 | 成都绿迪科技有限公司 | Steel bar bender for building |
| CN105537335A (en) * | 2015-12-30 | 2016-05-04 | 浙江金中利制冷设备有限公司 | Full-automatic copper pipe accessory pipe bending machine and pipe bending process thereof |
| CN105710172A (en) * | 2016-04-12 | 2016-06-29 | 上海史密斯品牌管理有限公司 | Rolling and pressing equipment |
| CN113523046A (en) * | 2021-06-02 | 2021-10-22 | 中国铁建港航局集团有限公司 | Ring beam bending process |
-
2009
- 2009-08-14 CN CN2009200923919U patent/CN201455064U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102310308A (en) * | 2010-06-30 | 2012-01-11 | 沈阳瑞宏管件有限公司 | Homogeneous-tube pushing manufacturing method for pushed elbows |
| CN102240707A (en) * | 2011-05-10 | 2011-11-16 | 山东雷帕得弹簧有限公司 | Automatic pipe bending device and pipe bending process thereof |
| CN102641924A (en) * | 2012-05-10 | 2012-08-22 | 西安向阳航天材料股份有限公司 | Manufacturing device and method for bimetal composite hot bend |
| CN102641924B (en) * | 2012-05-10 | 2014-04-09 | 西安向阳航天材料股份有限公司 | Manufacturing device and method for bimetal composite hot bend |
| CN103831327A (en) * | 2012-11-27 | 2014-06-04 | 蔡凤珍 | Improved pipe bending machine with high bending accuracy |
| CN103831327B (en) * | 2012-11-27 | 2016-01-20 | 蔡凤珍 | The bending machine that a kind of bending precision of improvement is high |
| CN104028673A (en) * | 2014-05-20 | 2014-09-10 | 成都绿迪科技有限公司 | Steel bar bender for building |
| CN105537335A (en) * | 2015-12-30 | 2016-05-04 | 浙江金中利制冷设备有限公司 | Full-automatic copper pipe accessory pipe bending machine and pipe bending process thereof |
| CN105537335B (en) * | 2015-12-30 | 2017-12-19 | 浙江金中利制冷设备有限公司 | Full-automatic copper pipe fitting bending machine and its bent tube technique |
| CN105710172A (en) * | 2016-04-12 | 2016-06-29 | 上海史密斯品牌管理有限公司 | Rolling and pressing equipment |
| CN113523046A (en) * | 2021-06-02 | 2021-10-22 | 中国铁建港航局集团有限公司 | Ring beam bending process |
| CN113523046B (en) * | 2021-06-02 | 2022-09-23 | 中国铁建港航局集团有限公司 | Ring beam bending process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: HE NAN HUADIAN JINYUAN PIPING CO., LTD. Free format text: FORMER OWNER: ZHENGZHOU HUADIAN JINYUAN PIPELINE CO., LTD. Effective date: 20110610 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 450051 NO. 77, XIZHAN ROAD, ZHENGZHOU CITY, HE NAN PROVINCE TO: 451161 KONGGANG 6TH ROAD, ZHENZHOU AIRPORT ZONE, ZHENGZHOU CITY, HE NAN PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110610 Address after: 451161 airport road six, Zhengzhou, Henan, Zhengzhou Patentee after: Henan Huadian Jinyuan Pipeline Co., Ltd. Address before: 450051 No. 77 West Station Road, Henan, Zhengzhou Patentee before: Zhengzhou Huadian Jinyuan Pipeline Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100512 Termination date: 20150814 |
|
| EXPY | Termination of patent right or utility model |