CN210548726U - Flame welding device - Google Patents
Flame welding device Download PDFInfo
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- CN210548726U CN210548726U CN201921349960.3U CN201921349960U CN210548726U CN 210548726 U CN210548726 U CN 210548726U CN 201921349960 U CN201921349960 U CN 201921349960U CN 210548726 U CN210548726 U CN 210548726U
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- flame
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- acetylene
- oxygen
- welding
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Abstract
The utility model provides a flame welding device belongs to the welding set field. It has solved current general welding set and has mostly been single flame and weld, and the required time of welding is long, welded inefficiency scheduling problem, a flame welding set, including the rifle body and the gas cylinder of being connected with the cavity, the gas cylinder is used for providing gas, the rifle body is including left side welding takeover, right side welding takeover and intake pipe, the end of giving vent to anger of intake pipe is connected with left side welding takeover and right side welding takeover respectively, left side welding takeover is provided with left flame outlet, right side welding takeover is provided with right flame outlet, the central axis of left side flame outlet and right flame outlet intersects in a bit. The utility model has the advantages of welded is efficient.
Description
Technical Field
The utility model belongs to the welding set field, in particular to flame welding device.
Background
Generally, a heat exchanger used for an air conditioner includes: a plurality of heat exchange tubes, a plurality of heat exchange fins, an inlet tube and an outlet tube. Wherein, each heat exchange tube is connected with other communicating tubes in a welding mode. In actual small-scale production, each heat exchange tube can be connected with the communicating tube in a welding mode.
However, because the temperature required for welding the heat exchange tube copper tube is higher, most of common welding devices carry out welding by single flame, the time required for welding is long, and the welding efficiency is low.
Disclosure of Invention
The utility model aims at providing a flame welding device to the above-mentioned problem that exists among the prior art.
The purpose of the utility model can be realized by the following technical proposal: the utility model provides a flame welding device, its characterized in that, includes the rifle body and the gas cylinder of being connected with the cavity, the gas cylinder be used for providing gas, the rifle body include left side welding take over, right side welding take over and intake pipe, the end of giving vent to anger of intake pipe is connected with left side welding take over and right side welding take over respectively, left side welding take over be provided with left flame outlet, right side welding take over be provided with right flame outlet, the central axis of left flame outlet and right flame outlet intersect in a point.
The utility model discloses a theory of operation: the utility model discloses the during operation, gaseous from the gas cylinder midstream to the rifle body, gaseous formation flame after being lighted because the end of giving vent to anger of intake pipe is connected with left side welding pipe and right side welding pipe respectively, so gaseous end of giving vent to anger that can follow the intake pipe is divided into two parts and is got into left side welding pipe and right side welding pipe respectively. Namely, a single flame is dispersed into two flames, and the central axes of the left flame outlet and the right flame outlet are intersected at one point. The two separated flames are sprayed out and then intersect at one point, the intersection of the flames is used for heating the copper pipe, the workpiece copper pipe is uniformly heated, the flame temperature at the intersection point is high, welding of the copper pipe is facilitated, the time required by welding is short, and the welding efficiency is high.
In the flame welding device, a handle part is arranged outside the air inlet pipe, and the handle part is used for being held by an operator.
In the flame welding device, the handle portion is made of a heat insulating material.
In the flame welding device, the handle part is provided with a plurality of arc-shaped recesses, and the arc-shaped recesses are in smooth arc transition.
In the flame welding device, the surface of the handle part is provided with anti-skid grains.
In foretell flame welding device, intake pipe and gas cylinder between connect through the connecting pipe, the gas cylinder divide into oxygen cylinder and acetylene cylinder, the connecting pipe divide into oxygen hose and acetylene cylinder, the oxygen cylinder pass through oxygen hose and intake-tube connection, the acetylene cylinder pass through acetylene hose and intake-tube connection.
In the flame welding device, an oxygen connector and an acetylene connector are arranged at the air inlet end of the air inlet pipe, the oxygen connector is connected with an oxygen pipe, and the acetylene connector is connected with an acetylene pipe.
In the flame welding device, the air inlet pipe is provided with an ignition device for igniting gas, and the ignition device is close to the air outlet end of the air inlet pipe.
In the flame welding device, the air inlet pipe is further provided with an air flow control valve for controlling the size of air flow, and the air flow control valve is close to the air inlet end of the air inlet pipe.
Compared with the prior art, the utility model has the advantages of it is following:
1. the utility model discloses the during operation, gaseous from the gas cylinder midstream to the rifle body, gaseous formation flame after being lighted because the end of giving vent to anger of intake pipe is connected with left side welding pipe and right side welding pipe respectively, so gaseous end of giving vent to anger that can follow the intake pipe is divided into two parts and is got into left side welding pipe and right side welding pipe respectively. Namely, a single flame is dispersed into two flames, and the central axes of the left flame outlet and the right flame outlet are intersected at one point. The two separated flames are sprayed out and then intersect at one point, the intersection of the flames is used for heating the copper pipe, the workpiece copper pipe is uniformly heated, the flame temperature at the intersection point is high, welding of the copper pipe is facilitated, the time required by welding is short, and the welding efficiency is high.
2. The utility model discloses an intake pipe is provided with handle portion outward, and handle portion is used for supplying operating personnel to hold. When welding, an operator needs to hold the gun body with one hand, so that the handle part is designed, and the welding is convenient for the operator.
3. The handle part of the utility model is made of heat insulating material. Since heat has a conductive function, when flame is sprayed out, the temperature is high, and the operator can scald his hand if directly holding the handle, so that the handle part needs to be made of heat-insulating material. Preventing the hands of the operator from being scalded.
4. The utility model discloses a be provided with a plurality of arcs on the handle portion and sunken, the arc is sunken between and is passed through glossy circular arc. When operating personnel held the handle portion with the hand, because a plurality of arcs are sunken to the design of handle portion, and through smooth circular arc transition between the arc is sunken, accord with ergonomic, when operating personnel held the handle portion, the finger was arranged in the arc line, has increased the comfort level of operating personnel operation.
5. The utility model discloses the handle surface is provided with anti-skidding line. The antiskid line is in order to prevent that operating personnel from beating the slip at the in-process hand of operation, leads to the rifle body to drop, if the rifle body drops when spraying flame and using, can bring huge danger for operating personnel. And the friction between the operator's hand and the handle part can be increased to the antiskid line, prevents that the hand from skidding to prevent that the rifle body from dropping.
6. The utility model discloses connect through the connecting pipe between intake pipe and the gas cylinder, the gas cylinder divide into oxygen cylinder and acetylene cylinder, and the connecting pipe divide into oxygen hose and acetylene cylinder, and the oxygen cylinder passes through oxygen hose and intake-tube connection, and the acetylene cylinder passes through acetylene hose and intake-tube connection. The inlet end of intake pipe is provided with oxygen connector and acetylene connector, and oxygen connector and oxygen union coupling, acetylene connector and acetylene union coupling. Oxygen cylinder and acetylene cylinder air feed simultaneously to respectively through oxygen hose and acetylene pipe, oxygen hose and oxygen connector connection, acetylene pipe and acetylene connector connection, oxygen and acetylene flow into the intake pipe simultaneously and mix, and the existence of oxygen can conveniently ignite the acetylene. Oxygen in the air may not be enough to ignite acetylene, or the flame is easy to extinguish after ignition, so that oxygen is provided to mix the oxygen with acetylene, the acetylene is easier to ignite, and the flame is not easy to extinguish after ignition.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure, 1, a gun body; 2. a gas cylinder; 3. left welding the tube; 4. right welding the pipe; 5. an air inlet pipe; 6. a left flame outlet; 7. a right flame outlet; 8. a handle portion; 9. an arc-shaped recess; 10. anti-skid lines; 11. a connecting pipe; 12. an oxygen cylinder; 13. an acetylene cylinder; 14. an oxygen tube; 15. an acetylene tube; 16. an oxygen connector; 17. an acetylene connector; 18. an ignition device; 19. an airflow control valve.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in fig. 1, a flame welding device comprises a gun body 1 and a gas cylinder 2 connected with a cavity, wherein the gas cylinder 2 is used for providing gas, the gun body 1 comprises a left welding connection pipe 3, a right welding connection pipe 4 and a gas inlet pipe 5, the gas outlet end of the gas inlet pipe 5 is respectively connected with the left welding connection pipe 3 and the right welding connection pipe 4, the left welding connection pipe 3 is provided with a left flame outlet 6, the right welding connection pipe 4 is provided with a right flame outlet 7, and the central axes of the left flame outlet 6 and the right flame outlet 7 are intersected at one point.
More specifically, a handle portion 8 is disposed outside the air inlet pipe 5, and the handle portion 8 is used for being held by an operator. When welding, an operator needs to hold the gun body 1 with one hand, so that the handle part 8 is designed to facilitate the welding of the operator.
More specifically, the handle portion 8 is made of a heat insulating material. Since heat has a conductive function, when the flame is blown out, the temperature is high, and the operator may burn his hand if directly holding the flame, so that the handle portion 8 needs to be made of a heat insulating material. Preventing the hands of the operator from being scalded.
In further detail, the handle part 8 is provided with a plurality of arc-shaped depressions 9, and the arc-shaped depressions 9 are in smooth arc transition. When operating personnel held handle portion 8 with the hand, because handle portion 8 has designed a plurality of arcs and sunken 9, and through smooth circular arc transition between the arc sunken 9, accord with ergonomic, when operating personnel held handle portion 8, the finger was located the arc number line, has increased the comfort level of operating personnel operation.
More specifically, the surface of the handle portion 8 is provided with anti-slip threads 10. The anti-slip lines 10 are used for preventing an operator from slipping during operation, so that the gun body 1 falls off, and if the gun body 1 falls off when used for spraying flame, the gun body brings a great danger to the operator. The anti-slip lines 10 increase the friction between the operator's hand and the grip portion 8, preventing the hand from slipping, and thus preventing the gun body 1 from falling.
In more detail, the air inlet pipe 5 is connected with the air bottle 2 through a connecting pipe 11, the air bottle 2 is divided into an oxygen bottle 12 and an acetylene bottle 13, the connecting pipe 11 is divided into an oxygen pipe 14 and an acetylene pipe 15, the oxygen bottle 12 is connected with the air inlet pipe 5 through the oxygen pipe 14, and the acetylene bottle 13 is connected with the air inlet pipe 5 through the acetylene pipe 15. An oxygen connecting port 16 and an acetylene connecting port 17 are arranged at the air inlet end of the air inlet pipe 5, the oxygen connecting port 16 is connected with the oxygen pipe 14, and the acetylene connecting port 17 is connected with the acetylene pipe 15. Oxygen cylinder 12 and acetylene cylinder 13 air feed simultaneously to respectively through oxygen hose 14 and acetylene pipe 15, oxygen hose 14 and oxygen connector 16 are connected, acetylene pipe 15 and acetylene connector 17 are connected, and oxygen and acetylene flow into intake pipe 5 simultaneously and mix, and the existence of oxygen can conveniently ignite the acetylene. Oxygen in the air may not be enough to ignite acetylene, or the flame is easy to extinguish after ignition, so that oxygen is provided to mix the oxygen with acetylene, the acetylene is easier to ignite, and the flame is not easy to extinguish after ignition. Oxygen and acetylene are not selected to be mixed in the gas cylinder 2 and then are charged into the gas inlet pipe 5 because the gas quantity in the gas cylinder 2 is large, and a large amount of mixed oxygen and acetylene is easy to explode, especially in summer with high temperature. And gas volume is little in intake pipe 5, and oxygen can make things convenient for the acetylene burning, and acetylene and oxygen mix and do not have the production of explosion, and airflow control valve 19 is close to intake end of intake pipe 5, and after operating personnel closed ignition 18, also closed airflow control valve 19, acetylene and oxygen can not mix when out of work yet, have improved greatly the utility model discloses a security performance.
In further detail, the inlet pipe 5 is provided with an ignition device 18 for igniting the gas, and the ignition device 18 is close to the outlet end of the inlet pipe 5. The ignition device 18 is used for igniting gas to generate flame, a single flame is separated at the gas outlet end of the gas inlet pipe 5 and then respectively enters the left welding connecting pipe 3 and the right welding connecting pipe 4 to form two flames to be sprayed out, the two separated flames are sprayed out and then intersect at one point, and the intersection of the flames is used for heating the copper pipe.
In more detail, the air inlet pipe 5 is further provided with an air flow control valve 19 for controlling the size of the air flow, and the air flow control valve 19 is close to the air inlet end of the air inlet pipe 5. The airflow control valve 19 is used to control the magnitude of the airflow, and thus the flame.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Although the gun body 1, the gas cylinder 2, the left welding pipe 3, the right welding pipe 4, the gas inlet pipe 5, the left flame outlet 6, the right flame outlet 7, the handle part 8, the arc-shaped recess 9, the anti-skid thread 10 and the connecting pipe 11 are more used; 12. oxygen cylinder 12, acetylene cylinder 13, oxygen line 14, acetylene line 15, oxygen connection port 16, acetylene connection port 17, ignition device 18, gas flow control valve 19, etc., but does not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.
Claims (9)
1. The utility model provides a flame welding device, its characterized in that, includes rifle body (1) and gas cylinder (2) of being connected with the cavity, gas cylinder (2) be used for providing gas, rifle body (1) including left side welding take over (3), right side welding take over (4) and intake pipe (5), the end of giving vent to anger of intake pipe (5) is connected with left side welding take over (3) and right side welding take over (4) respectively, left side welding take over (3) be provided with left flame outlet (6), right side welding take over (4) be provided with right flame outlet (7), the central axis of left flame outlet (6) and right flame outlet (7) intersect in a bit.
2. A flame welding device as defined in claim 1, characterized in that a handle portion (8) is arranged outside said air inlet pipe (5), said handle portion (8) being adapted to be held by an operator.
3. A flame welding device as claimed in claim 2, characterized in that said handle portion (8) is made of a heat insulating material.
4. A flame welding device as defined in claim 2, characterized in that said handle portion (8) is provided with a plurality of arcuate recesses (9), said arcuate recesses (9) being in smooth arcuate transition.
5. A flame welding device as claimed in claim 2, characterized in that said grip portion (8) is provided with anti-slip threads (10) on its surface.
6. A flame welding device as defined in claim 1, characterized in that said air inlet pipe (5) is connected with said air cylinder (2) by means of a connecting pipe (11), said air cylinder (2) is divided into an oxygen cylinder (12) and an acetylene cylinder (13), said connecting pipe (11) is divided into an oxygen pipe (14) and an acetylene pipe (15), said oxygen cylinder (12) is connected with said air inlet pipe (5) by means of an oxygen pipe (14), and said acetylene cylinder (13) is connected with said air inlet pipe (5) by means of an acetylene pipe (15).
7. A flame welding device as defined in claim 6, characterized in that the inlet end of said inlet pipe (5) is provided with an oxygen connection port (16) and an acetylene connection port (17), said oxygen connection port (16) is connected with an oxygen pipe (14), and said acetylene connection port (17) is connected with an acetylene pipe (15).
8. A flame welding device as claimed in claim 1, characterized in that said inlet pipe (5) is provided with ignition means (18) for igniting the gas, said ignition means (18) being located near the outlet end of the inlet pipe (5).
9. A flame welding device as defined in claim 1, characterized in that said inlet pipe (5) is further provided with an air flow control valve (19) for controlling the amount of air flow, said air flow control valve (19) being located near the inlet end of the inlet pipe (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921349960.3U CN210548726U (en) | 2019-08-19 | 2019-08-19 | Flame welding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921349960.3U CN210548726U (en) | 2019-08-19 | 2019-08-19 | Flame welding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210548726U true CN210548726U (en) | 2020-05-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921349960.3U Active CN210548726U (en) | 2019-08-19 | 2019-08-19 | Flame welding device |
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| CN (1) | CN210548726U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024041478A1 (en) * | 2022-08-25 | 2024-02-29 | 合肥海尔电冰箱有限公司 | Welding device for pipeline |
-
2019
- 2019-08-19 CN CN201921349960.3U patent/CN210548726U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024041478A1 (en) * | 2022-08-25 | 2024-02-29 | 合肥海尔电冰箱有限公司 | Welding device for pipeline |
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