CN202780150U - Electrically controlled air brazing device - Google Patents
Electrically controlled air brazing device Download PDFInfo
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- CN202780150U CN202780150U CN 201220433831 CN201220433831U CN202780150U CN 202780150 U CN202780150 U CN 202780150U CN 201220433831 CN201220433831 CN 201220433831 CN 201220433831 U CN201220433831 U CN 201220433831U CN 202780150 U CN202780150 U CN 202780150U
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Abstract
The utility model relates to an electrically controlled air brazing device, relating to an electric welding device. The electrically controlled air brazing device comprises a combustible gas feeding nozzle, a combustion supporting gas feeding nozzle, an electrical control device, a gas mixing valve, a welding torch and a spray nozzle, one end of the electrical control device is respectively connected with the combustible gas feeding nozzle and the combustion supporting gas feeding nozzle through a pipeline, the other end of the electrical control device is converged with the gas mixing valve through a pipeline, and the gas mixing valve is then connected with the welding torch and the spray nozzle in sequence through a pipeline. Compressed air is adopted as combustion supporting gas, and propane or acetylene gas is adopted as combustible gas. The welding reliability and product stability can be ensured, the intensity of work of operators can be reduced, and the production cost of the product can be decreased.
Description
Technical field
The utility model relates to a kind of electric welding equipment, particularly a kind of electric-controlled type air brazing equipment.
Background technology
In pipelines of automobile air conditioner connects, commonly used to some gas brazing techniques at present, the existing gas brazing equipment that in gas brazing technique, uses as shown in Figure 2, the used gaseous mixture of this equipment has propane and pure oxygen mist, acetylene and pure oxygen mist.No matter but be which kind of fuel gas all is to mix with pure oxygen, this mode has following weak point: (1) industrial analysis: adopt the used soldering set of pure oxygen combustion-supporting automatically not regulate, and necessary manual adjustment, the firepower size varies with each individual, control inaccurate, the unstable product quality of welding; (2) Machining Analysis: because the size that can not automatically regulate firepower causes existing a large amount of skies to burn phenomenon when work, cost has been increased a lot; (3) cost analysis: adopt pure oxygen combustion-supporting to expend a large amount of oxygen, cause cost high, account for more than 60% of totle drilling cost.
Summary of the invention
The main technical problems to be solved in the utility model is: a kind of electric-controlled type air brazing equipment is provided, and the above-mentioned control that exists with the solution prior art is inaccurate, the weak point of the unstable product quality of welding.
Further technical problem to be solved in the utility model is: make this electric-controlled type air brazing equipment can reduce the production cost of product.
The technical scheme that solves above-mentioned technical problem underlying is: a kind of electric-controlled type air brazing equipment, comprise fuel gas suction nozzle, combustion-supporting gas suction nozzle, electrical control gear, Gas mixing valve, welding torch and nozzle, one end of described electrical control gear is connected with fuel gas suction nozzle, combustion-supporting gas suction nozzle respectively by pipeline, the other end meets at Gas mixing valve by pipeline, and Gas mixing valve is connected with welding torch, nozzle successively by pipeline again.
Further technical scheme of the present invention is: described electrical control gear comprises air-control device and is used for the electric control gear of control air-control device.
Again further technical scheme of the present invention is: described air-control device comprises be connected in parallel fuel gas control device and combustion-supporting gas control device, the fuel gas control device comprises check valve A, fuel gas magnetic valve, throttle valve A and choke valve B, the input of described check valve A is connected with the fuel gas suction nozzle, the output of check valve A is connected with fuel gas magnetic valve, throttle valve A successively, the input of choke valve B is connected with the output of check valve A, and the output of choke valve B directly with after the output parallel connection of throttle valve A is connected with the input of Gas mixing valve; Described combustion-supporting gas control device comprises check valve B, combustion-supporting gas magnetic valve, choke valve C and choke valve D, the input of described check valve B is connected with the combustion-supporting gas suction nozzle, the output of check valve B is connected with combustion-supporting gas magnetic valve, choke valve C successively, the input of choke valve D is connected with the output of check valve B, and the output of choke valve D directly with after the output parallel connection of choke valve C is connected with the input of Gas mixing valve.
Again further technical scheme of the present invention is: described electric control gear comprises power circuit, is connected to relay circuit and electromagnetic valve circuit on the power circuit, described power circuit comprises power module and the master switch that is used for the control power module, described relay circuit comprises change-over switch, gas relay, time-delay relay, described gas relay be cascaded with change-over switch after time-delay relay is in parallel; Described electromagnetic valve circuit comprises fuel gas electromagnetic valve circuit and the combustion-supporting gas electromagnetic valve circuit that is connected in parallel, described fuel gas electromagnetic valve circuit comprises the fuel gas switch, and the fuel gas magnetic valve in this fuel gas switch and the air-control device is cascaded; Described combustion-supporting gas electromagnetic valve circuit comprises combustion-supporting gas switch, delay switch, and the combustion-supporting gas magnetic valve that this combustion-supporting gas switch, delay switch connect in rear and the air-control device is cascaded.
The technical scheme that solves above-mentioned further technical problem is: described combustion-supporting gas is compressed air gas.
Again further technical scheme of the present utility model is: described fuel gas is propane gas or acetylene gas.
Because adopt said structure, the electric-controlled type air brazing equipment of the utility model compared with prior art has following beneficial effect:
1. can guarantee the stability of soldering reliability and product:
Because the utility model has adopted respectively electrical control gear to control gas circuit and the flow of fuel gas and combustion-supporting gas, accurate control by electrical control gear has guaranteed the gas burn steadily, make flame temperature remain on a stable interval, greatly guaranteed the stability of soldering reliability and product.
2. can alleviate operator's working strength:
The control of the utility model by electrical control gear has been avoided artificial adjusting so that flame obtains different temperature, so that product quality, outward appearance also can effectively be controlled, has alleviated operator's working strength.
3. can reduce the production cost of product:
Because combustion-supporting gas of the present utility model is the pure oxygen that directly adopted the compressed air gas instead, greatly reduces cost; And can reduce fire amount waiting to bide one's time, can reduce cost; Because flame is precisely controlled, product quality is guaranteed, and has reduced the product loss.
Below, in conjunction with the accompanying drawings and embodiments the technical characterictic of the electric-controlled type air brazing equipment of the utility model is further described.
Description of drawings
Fig. 1: the structural representation of the electric-controlled type air brazing equipment of the utility model;
Fig. 2: the structural representation of existing gas brazing equipment;
The schematic diagram of Fig. 3: embodiment one described air-control device;
The schematic diagram of Fig. 4: embodiment one described electric control gear.
In above-mentioned accompanying drawing, each label is as follows:
1-fuel gas suction nozzle, 2-combustion-supporting gas suction nozzle, the 3-electrical control gear,
The 31-air-control device, 311-fuel gas control device, 3111-check valve A,
3112-fuel gas magnetic valve, the 3113-throttle valve A, 3114-choke valve B,
312-combustion-supporting gas control device, 3121-check valve B, 3122-combustion-supporting gas magnetic valve,
3123-choke valve C, 3124-choke valve D, the 32-electric control gear,
The 321-power circuit, the 3211-power module, the 3212-master switch,
The 3213-insurance, the 322-relay circuit, the 3221-change-over switch,
The 3222-gas relay, the 3223-time-delay relay, the 323-electromagnetic valve circuit,
3231-fuel gas switch, 3232-combustion-supporting gas switch, the 3233-delay switch,
The 4-Gas mixing valve, the 5-welding torch, the 6-nozzle,
The fuel gas suction nozzle of the existing gas brazing equipment of 7-,
The oxygen suction nozzle of the existing gas brazing equipment of 8-,
The welding torch of the existing gas brazing equipment of 9-, the nozzle of the existing gas brazing equipment of 10-.
The specific embodiment
Embodiment one:
Disclosed among Fig. 1 is a kind of electric-controlled type air brazing equipment, it is comprised of fuel gas suction nozzle 1, combustion-supporting gas suction nozzle 2, electrical control gear 3, Gas mixing valve 4, welding torch 5 and nozzle 6, one end of described electrical control gear 3 is connected with fuel gas suction nozzle 1, combustion-supporting gas suction nozzle 2 respectively by pipeline, the other end meets at Gas mixing valve 4 by pipeline, Gas mixing valve 4 is connected with welding torch 5, nozzle 6 successively by pipeline again, described combustion-supporting gas is compressed air gas, and fuel gas is propane gas gas.
Described electrical control gear 3 comprises air-control device 31 and is used for the electric control gear 32 of control air-control device 31; Described air-control device 31 comprises that be connected in parallel fuel gas control device 311 and combustion-supporting gas control device 312(are referring to Fig. 3), fuel gas control device 311 comprises check valve A3111, fuel gas magnetic valve 3112, throttle valve A 3113 and choke valve B3114, the input of described check valve A3111 is connected with fuel gas suction nozzle 1, the output of check valve A3111 successively with fuel gas magnetic valve 3112, throttle valve A 3113 connects, the input of choke valve B3114 is connected with the output of check valve A3111, and the output of choke valve B3114 directly with after the output parallel connection of throttle valve A 3113 is connected with the input of Gas mixing valve 4; Described combustion-supporting gas control device 312 comprises check valve B3121, combustion-supporting gas magnetic valve 3122, choke valve C3123 and choke valve D3124, the input of described check valve B3121 is connected with combustion-supporting gas suction nozzle 2, the output of check valve B3121 is connected with combustion-supporting gas magnetic valve 3122, choke valve C3123 successively, the input of choke valve D3124 is connected with the output of check valve B3121, and the output of choke valve D3124 directly with after the output parallel connection of choke valve C3123 is connected with the input of Gas mixing valve 4.
Described electric control gear 32 comprises power circuit 321, be connected to relay circuit 322 on the power circuit 321 and electromagnetic valve circuit 323(referring to Fig. 4), described power circuit 321 comprises power module 3211 and the master switch 3212 that is used for control power module 3211, described relay circuit 322 comprises change-over switch 3221, gas relay 3222, time-delay relay 3223, after described gas relay 3222 and time-delay relay 3223 are in parallel and change-over switch 3221 be cascaded; Described electromagnetic valve circuit 323 comprises fuel gas electromagnetic valve circuit and the combustion-supporting gas electromagnetic valve circuit that is connected in parallel, described fuel gas electromagnetic valve circuit comprises fuel gas switch 3231, and the fuel gas magnetic valve 3112 in this fuel gas switch 3231 and the air-control device is cascaded; Described combustion-supporting gas electromagnetic valve circuit comprises combustion-supporting gas switch 3232, delay switch 3233, and the combustion-supporting gas magnetic valve 3122 that this combustion-supporting gas switch 3232, delay switch 3233 connect in rear and the air-control device is cascaded.
As a kind of conversion of present embodiment one, described fuel gas also can be acetylene gas or other imflammable gas.
Claims (6)
1. electric-controlled type air brazing equipment, it is characterized in that: comprise fuel gas suction nozzle (1), combustion-supporting gas suction nozzle (2), electrical control gear (3), Gas mixing valve (4), welding torch (5) and nozzle (6), one end of described electrical control gear (3) is connected with fuel gas suction nozzle (1), combustion-supporting gas suction nozzle (2) respectively by pipeline, the other end meets at Gas mixing valve (4) by pipeline, and Gas mixing valve (4) is connected with welding torch (5), nozzle (6) successively by pipeline again.
2. electric-controlled type air brazing equipment according to claim 1 is characterized in that: described electrical control gear (3) comprises air-control device (31) and is used for the electric control gear (32) of control air-control device (31).
3. electric-controlled type air brazing equipment according to claim 2, it is characterized in that: described air-control device (31) comprises be connected in parallel fuel gas control device (311) and combustion-supporting gas control device (312), fuel gas control device (311) comprises check valve A(3111), fuel gas magnetic valve (3112), throttle valve A (3113) and choke valve B(3114), described check valve A(3111) input is connected with fuel gas suction nozzle (1), check valve A(3111) output successively with fuel gas magnetic valve (3112), throttle valve A (3113) connects, choke valve B(3114) input and check valve A(3111) output be connected choke valve B(3114) output directly with after the output parallel connection of throttle valve A (3113) be connected with the input of Gas mixing valve (4); Described combustion-supporting gas control device (312) comprises check valve B(3121), combustion-supporting gas magnetic valve (3122), choke valve C(3123) and choke valve D(3124), described check valve B(3121) input is connected with combustion-supporting gas suction nozzle (2), check valve B(3121) output successively with combustion-supporting gas magnetic valve (3122), choke valve C(3123) connects, choke valve D(3124) input and check valve B(3121) output be connected choke valve D(3124) output directly with choke valve C(3123) the output parallel connection after be connected with the input of Gas mixing valve (4).
4. electric-controlled type air brazing equipment according to claim 3, it is characterized in that: described electric control gear (32) comprises power circuit (321), be connected to relay circuit (322) and electromagnetic valve circuit (323) on the power circuit (321), described power circuit (321) comprises power module (3211) and the master switch (3212) that is used for control power module (3211), described relay circuit (322) comprises change-over switch (3221), gas relay (3222), time-delay relay (3223), described gas relay (3222) in parallel with time-delay relay (3223) after and change-over switch (3221) be cascaded; Described electromagnetic valve circuit (323) comprises fuel gas electromagnetic valve circuit and the combustion-supporting gas electromagnetic valve circuit that is connected in parallel, described fuel gas electromagnetic valve circuit comprises fuel gas switch (3231), and the fuel gas magnetic valve (3112) in this fuel gas switch (3231) and the air-control device is cascaded; Described combustion-supporting gas electromagnetic valve circuit comprises combustion-supporting gas switch (3232), delay switch (3233), and the combustion-supporting gas magnetic valve (3122) that this combustion-supporting gas switch (3232), delay switch (3233) connect in rear and the air-control device is cascaded.
5. electric-controlled type air brazing equipment according to claim 1, it is characterized in that: described combustion-supporting gas is compressed air gas.
6. according to claim 1 and 2 or 3 or 4 or 5 described electric-controlled type air brazing equipments, it is characterized in that: described fuel gas is propane gas or acetylene gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220433831 CN202780150U (en) | 2012-08-29 | 2012-08-29 | Electrically controlled air brazing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220433831 CN202780150U (en) | 2012-08-29 | 2012-08-29 | Electrically controlled air brazing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202780150U true CN202780150U (en) | 2013-03-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220433831 Expired - Fee Related CN202780150U (en) | 2012-08-29 | 2012-08-29 | Electrically controlled air brazing device |
Country Status (1)
| Country | Link |
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| CN (1) | CN202780150U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9238279B2 (en) | 2013-12-20 | 2016-01-19 | David J. Logan | Combustible fluid cutting safety system |
| CN108844066A (en) * | 2018-09-05 | 2018-11-20 | 成都瑞威交通科技有限公司 | It is a kind of prevent burning gases be tempered device and close ignition method |
-
2012
- 2012-08-29 CN CN 201220433831 patent/CN202780150U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9238279B2 (en) | 2013-12-20 | 2016-01-19 | David J. Logan | Combustible fluid cutting safety system |
| CN108844066A (en) * | 2018-09-05 | 2018-11-20 | 成都瑞威交通科技有限公司 | It is a kind of prevent burning gases be tempered device and close ignition method |
| CN108844066B (en) * | 2018-09-05 | 2024-05-10 | 成都瑞威交通科技有限公司 | Device for preventing combustion gas from backfire and fire closing method |
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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: 20130313 Termination date: 20140829 |
|
| EXPY | Termination of patent right or utility model |