CN1425516A - Electromagnetic induction rivet heater - Google Patents
Electromagnetic induction rivet heater Download PDFInfo
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- CN1425516A CN1425516A CN 02142349 CN02142349A CN1425516A CN 1425516 A CN1425516 A CN 1425516A CN 02142349 CN02142349 CN 02142349 CN 02142349 A CN02142349 A CN 02142349A CN 1425516 A CN1425516 A CN 1425516A
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- lining
- electromagnetic induction
- rivet
- material returned
- heater
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Abstract
The electromagnetic induction rivet heater consists of one heater on the main body, one ejecting mechanism and one cooling system. The heater consists of lining and induction coil on the outer wall of the lining; the ejecting mechanism consists of one cylinder and one material ejecting pin capable of entering into or withdrawing from the lining in the same axis; and the cooling system has circulation water union communicated with the induction coil and the material ejecting pin. The lining is inclined and has material discharging end higher than the entering end of the material ejecting pin. The cooling system is equipped with low water pressure warning and water failure protecting system. The present invention has simple rivet heating process, low cost, high efficiency and other advantages.
Description
Technical field
The present invention relates to a kind of rivet heater.
Technical background
At present, the riveted joint of members such as the draw beam of domestic rail vehicle, sleeper beam, pilot beam is produced still and is being adopted the production method that heats rivet in the workshop with open coke stove.This production technology needs at the scene coke is pulverized, screens, ignited with hogging, cleaning ashes, with the timber loaded down with trivial details processes such as coke, rivet heating of igniting of lighting a fire.Because the coke stove fire is inhomogeneous and heating member is embedded in the coke, very easily cause the operator inaccurate to heat time heating time and temperature control, the overheated rule usually occur and resemble with burning, cause the generation of waste product.The time of coke stove heating rivet is long, easily causes the rivet oxidation and decarbonization, and the surface forms thicker oxide skin, the intensity and the quality of influence riveted joint.The thermal efficiency of coke stove heating is low, the serious waste energy.Coke stove heating rivet is slow, and burning a rivet on average needs to make production efficiency low about 1 minute.The coke stove produces a large amount of flue dust when burning and harmful sulfur dioxide gas is full of in the workshop, and air pollution is serious, the fragmentation of timber, coke, and screening, ashes cleaning etc. also all will pollute environment.
Summary of the invention
Because existing production technology mode and heater can not adapt to the needs of modern production, the purpose of this invention is to provide a kind of electromagnetic induction rivet heater that can realize the automatic material returned.
Above-mentioned purpose of the present invention is achieved in that accompanying drawings is as follows:
Electromagnetic induction rivet heater is by being contained in heater on the body 11, ejecting material mechanism and cooling system is formed, heater is made up of the induction coil on lining 9 and the outer wall thereof 8, ejecting material mechanism is made up of cylinder 7 and material returned push rod 12, material returned push rod 12 and lining 9 are on same axis, material returned push rod 12 can enter or withdraw from lining 9, and the recirculated water turnover joint 2 of cooling system communicates with induction coil 8 and material returned push rod 12.
Lining 9 is tilting in the horizontal direction, and the discharge end of lining is higher than the arrival end of material returned push rod 12.
Lining 9 can adopt many arrangements, and every lining 9 all has its corresponding induction coil 8, ejects material mechanism and cooling body.
Cylinder 7 is connected through the source of the gas 13 of valve 14, three linked piece 15, solenoid directional control valve 17 and choke valve 18, and material returned push rod 12 liftouts are by floor push 5 controls that link to each other with solenoid directional control valve, and material returned push rod 12 returns by magnetic switch 19 controls.
Not enough early warning of hydraulic pressure and water cut-off protection system are housed in the cooling system.
Adopt the process of electromagnetic induction rivet heater heating rivet of the present invention to have following effect:
With just compare during rail vehicle riveted joint is produced in the application technology technology, the technology of technical solution of the present invention is simple, has saved operation and man-hour, has eradicated the pollution to environment, firing rate be the coke stove 3-4 doubly, productivity ratio is improved greatly.The thermal efficiency is 3-5 times of coke stove, and energy consumption is reduced, and saves the energy; The oxide skin that is heated the workpiece generation is few, only is 0.5% of workpiece weight, and the oxide skin that the coke stove produces is 5% of workpiece weight, and does not have burning phenomenon, greatly reduces percent defective.The percent defective of this device generally is no more than 0.5% of workpiece total amount, and the percent defective of coke stove so can save raw material, has also improved the quality of rivet heating and riveted joint greater than 3% simultaneously.Install simple to operately, conveniently moving can satisfy the riveted joint of different station and produce needs in the scope of 10 meters of operating radius, reduced working strength of workers.Reduce operating ambient temperature, improved workman's condition of work.The heating cost of this device reduces more than 30% than coke stove, and its economic benefit and social benefit are all fairly obvious.
Description of drawings
Fig. 1 is the front view and the part sectioned view of electromagnetic induction rivet heater;
Fig. 2 is the A-A cutaway view of Fig. 1;
Fig. 3 is the side view of Fig. 1;
Fig. 4 is the vertical view of Fig. 3;
Fig. 5 is an electromagnetic induction rivet heater pneumatic schematic diagram;
Fig. 6 is the C enlarged drawing of Fig. 1;
Fig. 7 is the D enlarged drawing of Fig. 1;
Fig. 8 is principle of induction figure.
Among the figure: 1. intermediate frequency power supply 2. recirculated waters pass in and out joint 3. pneumatic control power supplys 4. source of the gas snap joints 5. floor push 6. receivers 7. cylinders 8. induction coils 9. linings 10. pneumatic control buttons 11. bodies 12. material returned push rods 13. sources of the gas 14. valves 15. three linked pieces 16. mufflers 17. solenoid directional control valves 18. choke valves 19. magnetic switch
The specific embodiment
Further specify the particular content of the present invention and the course of work thereof with the accompanying drawing illustrated embodiment below.
Consult Fig. 1, Fig. 2, Fig. 3 and Fig. 4: with six stations is example, promptly adopts six cover heaters and ejects material mechanism.Heater adopts the electromagnetic induction heating mode, it is on bottoming hole is the outer wall of lining 9 induction coil 8 to be housed, and induction coil 8 is formed by the coiling of water flowing copper pipe, is fixed on the body, its two ends link with the two poles of the earth of intermediate frequency power supply 1 respectively, communicate with recirculated water turnover joint 2 again simultaneously.Consult Fig. 6: induction coil does not contact with rivet, and energy transmits by electromagnetic induction.
Its principle of induction is consulted Fig. 8.
Body at device is installed four wheels 11 times, and it moves radius is 10m, can adapt to the rivet heating of different location and different station.Six floor push 5 are equipped with in the bottom of device, in order to control six cylinder actions respectively, realize withdrawing from of workpiece.
Consult Fig. 1: the pneumatic control button 10 cylinder control power supply that is used for out, stops the supple of gas or steam.Top has six rivets with 20 ° of horizontal sextant angles to heat inclined hole, and promptly lining 9, rivet can be put into this hole, make the rivet heating.Cylinder 7 is housed on this body support frame, and the material returned item bar 12 of cylinder right-hand member and the dead in line of rivet bottoming hole so that make it not be subjected to interference to enter bottoming hole, eject the rivet that heats.
Push rod and recirculated water turnover joint 2 communicates, and makes it be heated and play cooling effect entering bottoming hole.The action of cylinder 7 is subjected to the control of floor push 5, and when the rivet of heating was heated to the temperature that needs, switch 5 is stepped in step just can make cylinder operation, and workpiece is ejected bottoming hole rapidly, falls into receiver 6.Lining 9 is bottoming hole, and it is shaped as shoulder hole so that adapt to the shape of rivet, and it is a consumable accessory, can change as required.
Fig. 2 has represented that intermediate frequency power supply 1 is the layout that the power supply water conservancy diversion runs in, recirculated water passes in and out joint 2, pneumatic control power supply 3, source of the gas snap joint 4, intermediate frequency power supply 1 provides power supply for six induction coils 8, recirculated water turnover joint 2 provides recirculated water for six induction coils and six ejecting rod of cylinder, makes it cooling.Consult Fig. 7: the pneumatic control power supply provides power supply for cylinder 7 work, realizes connecting or closing by pneumatic control button 10, and comes control cylinder 7 work by floor push 5 and magnetic switch 19.The cylinder control principle is consulted Fig. 5: source of the gas snap joint 4 provides source of the gas for cylinder 7, realizes the work of cylinder by solenoid directional control valve and control circuit.
Heater method of operating and process are as follows:
At first, the starting water circulation system makes cooling circulating water turnover joint 2 have water to flow through, and makes hydraulic pressure remain on 0.06MPa.Six induction coils 8 and cylinder material returned item bar 12 all will have cooling water to flow through this moment, so that play cooling effect when work.Start intermediate frequency power supply 1 and connect control power supply 3, open gas source switch, all ons of water, gas and electricity of heater are at this moment pressed pneumatic control button 10 atmospheric control are started.Workpiece (rivet) is put into the lining 9 (bottoming hole) of device, and this lining is that carbofrax material is made, and has certain intensity and toughness.When workpiece was put into lining 9, it just was in the alternating magnetic field of induction coil generation.Generate heat owing to the electromagnetic induction effect makes workpiece produce eddy current, workpiece temperature constantly raises, and after reaching the temperature that needs (800～1000 ℃), depresses floor push 5, makes cylinder 7 actions.Drive material returned push rod 12 the quick ejector sleeve 9 of workpiece, and ejecting rod of cylinder fast return under the control of magnetic switch 19 at magnetic switch, in order to avoid push rod is heated in lining and damages.The position of the operating rate of cylinder, stroke and push rod all is adjustable.This device has six floor push, controls six cylinders respectively.These six cylinders go out lining 9 to the workpiece item respectively according to the needs of workpiece heating-up temperature, make workpiece fall into receiver 6, and then take out and go riveted joint.This device has six heating stations, and each station heats time is 20 seconds.So, under the state that six stations of this device are worked simultaneously, on average can take out a rivet that reaches heating-up temperature second, thereby improve productivity ratio greatly every 4-6.As calculated, its production efficiency is 7 times of coke stove.For making workpiece conveniently put into lining 9 and reducing that its of lining moved radius is 10m, can adapt to the rivet heating of different location and different station.Impact, also discharge easily to be unlikely simultaneously and pollute cylinder and loss cylinder rod, become 20 ° of angles with level so induction coil and lining are made for the oxide skin that heating is produced.It is best that such design proves by experiment.If induction coil is vertical with lining places, then because the workpiece deadweight adds the magnetic field suction in the induction coil, workpiece will be fallen into fast form and impact, lining is impacted and damage.In addition, vertical placement will make workpiece oxide skin and other dust fall on the cylinder, easily cause cylinder rod bad by loss, reduce the cylinder life-span, increase its fault rate.If induction coil and lining horizontal positioned, then the powder of oxide skin and liner wear generation is difficult for discharging, and piles up in lining, influences the operation that workpiece is ejected with the pusher push rod of putting into of workpiece.
Claims (5)
1. electromagnetic induction rivet heater is by being contained in heater on the body (11), ejecting material mechanism and cooling system is formed, it is characterized in that heater is made up of the induction coil (8) on lining (9) and the outer wall thereof, ejecting material mechanism is made up of cylinder (7) and material returned item bar (12), material returned item bar (12) and lining (9) are on same axis, material returned item bar (12) can enter or withdraw from lining (9), and the recirculated water turnover joint (2) of cooling system communicates with induction coil (8) and material returned item bar (12).
2. electromagnetic induction rivet heater according to claim 1 is characterized in that lining (9) is tilting in the horizontal direction, and the discharge end of lining is higher than the arrival end of material returned item bar (12).
3. electromagnetic induction rivet heater according to claim 1 and 2 is characterized in that said lining (9) can adopt many arrangements, and every lining (9) all has its corresponding induction coil (8), ejects material mechanism and cooling body.
4. electromagnetic induction rivet heater according to claim 1, it is characterized in that said cylinder (7) is provided by the source of the gas through valve, three linked piece, solenoid directional control valve and choke valve, material returned push rod (12) liftout is by the floor push that links to each other with solenoid directional control valve (5) control, and material returned push rod (12) returns by magnetic switch to be controlled.
5. electromagnetic induction rivet heater according to claim 1 is characterized in that being equipped with in the cooling system not enough early warning of hydraulic pressure and water cut-off protection system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02142349 CN1213636C (en) | 2002-07-02 | 2002-09-17 | Electromagnetic induction rivet heater |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN02132509 | 2002-07-02 | ||
| CN02132509.X | 2002-07-02 | ||
| CN 02142349 CN1213636C (en) | 2002-07-02 | 2002-09-17 | Electromagnetic induction rivet heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1425516A true CN1425516A (en) | 2003-06-25 |
| CN1213636C CN1213636C (en) | 2005-08-03 |
Family
ID=25741169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02142349 Expired - Fee Related CN1213636C (en) | 2002-07-02 | 2002-09-17 | Electromagnetic induction rivet heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1213636C (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100393447C (en) * | 2006-07-20 | 2008-06-11 | 武汉理工大学 | Electromagnetically heating airplane riveting device |
| CN102045903A (en) * | 2010-12-31 | 2011-05-04 | 北京华进创威电子有限公司 | Method for protecting induction heating coil by utilizing water flow relay |
| CN105057549A (en) * | 2015-07-30 | 2015-11-18 | 江阴市勤丰金属制品有限公司 | Heating device and heating method thereof |
| CN114109018A (en) * | 2021-12-21 | 2022-03-01 | 黄伟 | Scaffold connecting device for house construction and using method thereof |
-
2002
- 2002-09-17 CN CN 02142349 patent/CN1213636C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100393447C (en) * | 2006-07-20 | 2008-06-11 | 武汉理工大学 | Electromagnetically heating airplane riveting device |
| CN102045903A (en) * | 2010-12-31 | 2011-05-04 | 北京华进创威电子有限公司 | Method for protecting induction heating coil by utilizing water flow relay |
| CN105057549A (en) * | 2015-07-30 | 2015-11-18 | 江阴市勤丰金属制品有限公司 | Heating device and heating method thereof |
| CN105057549B (en) * | 2015-07-30 | 2016-11-30 | 江阴市勤丰金属制品有限公司 | A kind of heater and heating means thereof |
| CN114109018A (en) * | 2021-12-21 | 2022-03-01 | 黄伟 | Scaffold connecting device for house construction and using method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1213636C (en) | 2005-08-03 |
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