CN206356766U - Welding tooling for four-way valve - Google Patents

Abstract

The utility model discloses a kind of welding tooling for four-way valve, including：Support frame, the fixed support for fixing four-way valve and protection gas conveying device.Support frame includes base and on base and the support column that upwardly extends; fixed support is connected with support column; protection gas conveying device is connected and rotatable around the central axis of support column with support column; protection gas conveying device has air inlet and gas outlet; air inlet is suitable to connect with source of the gas, and gas outlet is suitable to towards fixed support.According to the welding tooling of the present utility model for four-way valve; by the protection gas conveying device of setting, the protection gas that protection gas conveying device is conveyed can be made effective over welding position, protective gas is provided for the welding of four-way valve; prevent four-way valve from being aoxidized in welding, improve welding quality.

Description

Welding tooling for four-way valve

Technical field

The utility model is related to welding tooling technical field, more particularly, to a kind of welding tooling for four-way valve.

Background technology

When air-conditioning products are produced, all air-conditionings will use four-way valve, and four-way valve is also the important portion of an air-conditioning Part.The welding quality of four-way valve is related to the quality and the air-conditioning quality using the four-way valve of four-way valve.In correlation technique, Any protection is not made generally during welding four-way valve so that welding quality can not ensure, even if some welders employ nitrogen Deng progress welding protection, but due to the limitation of its own structure, cause welding quality to be ensured well, still can not The welding quality of four-way valve is lifted well.Therefore, have much room for improvement.

Utility model content

The utility model is intended at least solve one of technical problem in correlation technique to a certain extent.Therefore, this reality With a kind of welding tooling for four-way valve of new proposition, the welding tooling is simple in construction, welding efficiency is high and can lift weldering Connect quality.

According to the welding tooling for four-way valve of the utility model embodiment, including：Support frame, support frame as described above includes Base and on base and the support column that upwardly extends；Fixed support for fixing the four-way valve, the fixed support It is connected with the support column；Gas conveying device is protected, the protection gas conveying device is connected with the support column and around the branch The central axis of dagger is rotatable, and the protection gas conveying device has air inlet and gas outlet, and the air inlet is suitable to and gas Source is connected, and the gas outlet is suitable to towards the fixed support.

According to the welding tooling for four-way valve of the utility model embodiment, by the protection gas conveying device of setting, Protective gas can be provided for the welding of four-way valve, prevent four-way valve from being aoxidized in welding, improve welding quality, simultaneously will The central axis that above-mentioned protection gas conveying device is arranged about support column is rotatable, it is possible thereby to different according to welding four-way valve The need for position, protection gas conveying device is turned into different angles so that the protection gas of protection gas conveying device conveying has Effect ground covering welding position, so as to further improve welding quality.

According to some embodiments of the present utility model, the protection gas conveying device can be moved up and down along the support column.

According to some embodiments of the present utility model, the fixed support can be moved up and down along the support column, and/or institute The central axis that fixed support is stated around the support column is rotatable.

According to some embodiments of the present utility model, the protection gas conveying device includes：Support member, the support member First end is connected with the support column and the second end of the support member extends towards the direction away from the support column, the support Part is rotatable around the central axis of the support column；It is located at the gasing tank on the support member, the air inlet and the outlet Mouth is formed on the gasing tank.

According to some embodiments of the present utility model, bearing of trend of the gasing tank along the support member may move, and/ Or the gasing tank is rotatable around the central axis of the support member.

According to some embodiments of the present utility model, the gasing tank is tapered, and the air inlet formation is in the inflation On the side wall of tank and adjacent to the big end of the gasing tank, the gas outlet forms the small end in the gasing tank.

According to some embodiments of the present utility model, the welder also includes the spray for being used to cool down the four-way valve Shower device, the spray equipment is connected with the support column and the neighbouring fixed support is set, and the spray equipment has many Individual water jet.

According to some embodiments of the present utility model, the spray equipment includes feed pipe and is connected with the feed pipe Multiple branch pipes, the feed pipe is connected with the support column, length direction interval cloth of multiple branch pipes along the feed pipe Put, each branch pipe has the water jet.

According to some embodiments of the present utility model, the spray equipment can be moved up and down along the support column, and/or institute The central axis that spray equipment is stated around the support column is rotatable.

According to some embodiments of the present utility model, the fixed support includes：Fixed plate, the fixed plate and the branch Dagger is parallel to be connected；Multiple support bases, multiple support bases are connected in the fixed plate and to away from described at interval The direction extension of fixed plate.

According to some embodiments of the present utility model, the fixed support also includes：Baffle plate, the baffle plate is located at the branch Support on seat and upwardly extend, bearing of trend of the baffle plate along the support base may move.

Brief description of the drawings

Fig. 1 is the stereogram of the welding tooling for four-way valve according to the utility model embodiment；

Fig. 2 is the side view of the welding tooling for four-way valve according to the utility model embodiment；

Fig. 3 is the use figure of the welding tooling for four-way valve according to the utility model embodiment.

Reference：

Welding tooling 100,

Support frame 1, base 11, support column 12, reinforcing plate 13,

Fixed support 2, fixed plate 21,3rd sleeve 211, support base 22, baffle plate 23,4th sleeve 231, the 4th positioning spiral shell Nail 232,

Protect gas conveying device 3, support member 31, the first sleeve 311, the first positioning screw 312, gasing tank 32, air inlet 321, gas outlet 322, second sleeve 323, the second positioning screw 324,

Spray equipment 4, feed pipe 41, water inlet 411, branch pipe 42, water jet 421,

Four-way valve 200, main valve body 201, branch valve body 202.

Embodiment

Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings.Below by The embodiment being described with reference to the drawings is exemplary, it is intended to for explaining the utility model, and it is not intended that new to this practicality The limitation of type.

In description of the present utility model, it is to be understood that term " " center ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer ", " clockwise ", " counterclockwise ", " axial direction ", " radial direction ", The orientation or position relationship of instructions such as " circumferences " are, based on orientation shown in the drawings or position relationship, to be for only for ease of description originally Utility model and simplified description, rather than instruction or the signified device of hint or element must be with specific orientation, with specific Azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.

In addition, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or Implicitly include at least one this feature.In description of the present utility model, " multiple " are meant that at least two, such as two It is individual, three etc., unless otherwise specifically defined.

In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be Mechanically connect or electrically connect or can communicate each other；Can be joined directly together, the indirect phase of intermediary can also be passed through Even, can be two element internals connection or two elements interaction relationship, unless otherwise clear and definite restriction.For this For the those of ordinary skill in field, concrete meaning of the above-mentioned term in the utility model can be understood as the case may be.

The welding tooling 100 for four-way valve 200 according to the utility model embodiment is described below with reference to Fig. 1-Fig. 3.

As shown in Figure 1-Figure 3, according to the welding tooling 100 for four-way valve 200 of the utility model embodiment, including： Support frame 1, fixed support 2 and protection gas conveying device 3.Wherein, above-mentioned four-way valve 200 can be used in air-conditioning.

Specifically, support frame 1 includes base 11 and on base 11 and the support column 12 that upwardly extends, support column 12 First end be connected with base 11, the second end of support column 12 extends straight up.Wherein, the periphery of the first end of support column 12 Face can be provided with the reinforcing plate 13 of multiple settings spaced apart, and reinforcing plate 13 can be with triangular in shape, reinforcing plate 13 and support column 12 First end is connected with base 11, and the steadiness that support column 12 is connected with base 11 can be strengthened by the reinforcing plate 13 of setting.

Fixed support 2 is connected with support column 12, so as to which fixed support 2 is connected on support column 12.Fixed support 2 For fixing four-way valve 200, four-way valve 200 is fixed on fixed support 2 when welding four-way valve 200, so as to facilitate four-way The fixation and welding of valve 200.

Protection gas conveying device 3 is connected with support column 12, so as to which protection gas conveying device 3 is connected into support column 12 On.Protect gas conveying device 3 that there is air inlet 321 and gas outlet 322, air inlet 321 is suitable to connect with source of the gas, gas outlet 322 Suitable for towards fixed support 2.Protect gas to be entered by air inlet 321 in protection gas conveying device 3, and pass through the direction of gas outlet 322 Four-way valve 200 on fixed support 2 sprays, and in the surrounding formation protective layer of four-way valve 200, prevents four-way valve 200 in welding Aoxidize, improve welding quality.

Wherein, protection gas conveying device 3 and fixed support 2 can arranged for interval up and down, for example can be that fixed support 2 is set In the top of protection gas conveying device 3, thus facilitate the gas outlet 322 of protection gas conveying device 3 towards four on fixed support 2 Port valve 200 blows protection gas, and protection gas can be nitrogen, and nitrogen is cheap, be easily obtained.

Further, protection gas conveying device 3 is rotatable around the central axis of support column 12.It is understood that four-way Valve 200 generally include main valve body 201 and be connected to supervisor on four branch valve bodies 202, weld four-way valve 200 when, it is necessary to Aforementioned four branch valve body 202 is welded on main valve body 201, it is every in welding because the welding position of four branch valve bodies 202 is different The diverse location conveying protection gas to four-way valve 200 is needed during individual branch valve body 202.

It is rotatable by the way that above-mentioned protection gas conveying device 3 to be arranged to central axis around support column 12, thus in welding During the diverse location of four-way valve 200, angled conveyor can be adjusted to preferably angle by rotating protection gas conveying device 3 Degree so that the position welded of the gas outlet 322 of protection gas conveying device 3 just to four-way valve 200, protection gas is more effectively The position welded of four-way valve 200 is covered in, so as to play preferably protective effect, and concentrating will protect gas defeated The position welded of four-way valve 200 is delivered to, gas can be protected to reach good protecting effect with small amount, further Can be with the consumption of saving and protection gas while raising welding quality.

According to the welding tooling 100 for four-way valve 200 of the utility model embodiment, conveyed by the protection gas of setting Device 3, can provide protective gas for the welding of four-way valve 200, prevent four-way valve 200 from being aoxidized in welding, improve weldering Quality is connect, while the central axis that above-mentioned protection gas conveying device 3 is arranged about into support column 12 is rotatable, it is possible thereby to root The need for according to the welding different parts of four-way valve 200, protection gas conveying device 3 is turned into different angles so that protection gas is defeated The protection gas that device 3 is conveyed is sent effective over welding position, so as to further improve welding quality.

In some embodiments of the present utility model, reference picture 1- Fig. 3, protection gas conveying device 3 along support column 12 can on Lower movement.Thus, it is possible to by moving up and down protection gas conveying device 3, protection gas conveying device 3 can be made and fixation is fixed on There is suitable distance, so that the protection that the gas outlet 322 of protection gas conveying device 3 sprays between four-way valve 200 on support 2 Gas can be effective over the welding position of sub- four-way valve 200 around.

In some specific embodiments of the present utility model, reference picture 1- Fig. 3, protection gas conveying device 3 includes：Support member 31 and gasing tank 32.The first end of support member 31 be connected with support column 12 and support member 31 the second end towards away from support column 12 Direction extends, and support member 31 can be in the form of a column, and support column 12 can be that entity structure can also be hollow structure.For example, support Part 31 can be metal tube (such as rectangular tube, round tube), can both ensure structural strength, while can be with material saving.

Support member 31 is rotatable around the central axis of support column 12, and gasing tank 32 is located on support member 31, the He of air inlet 321 Gas outlet 322 is formed on gasing tank 32.Thus, gasing tank 32 is driven to rotate when support member 31 is rotated, so as to edge branch The circumferential direction of dagger 12 adjusts the outlet angle of gas outlet 322 so that the protection gas that gas outlet 322 sprays can effectively cover Cover around the welding position in four-way valve 200.It should be noted that adjusting gas outlet 322 by rotatable support 31 During angle position, the height of gas outlet 322 is constant, and gas outlet 322 is circumferentially rotated around support column 12 so that 322 turns of gas outlet Move to the different azimuth of support column 12.

For example, in Fig. 1-Fig. 3 example, the first end of support member 31 can be provided with the first sleeve 311, the first sleeve 311 are set on support column 12, and the first positioning screw 312 can be provided with simultaneously on the first sleeve 311.Thus, support member 31 can To be moved up and down along support column 12 and rotatable around the central axis of support column 12, when support member 31 is adjusted to correct position, It can be positioned by 312 pair of first sleeve 311 of the first positioning screw, prevent the first sleeve 311 from moving or rotating.

Alternatively, reference picture 1- Fig. 3, gasing tank 32 can be with tapered, and air inlet 321 is formed on the side wall of gasing tank 32 And the big end of neighbouring gasing tank 32, gas outlet 322 forms the small end in gasing tank 32.Thus, gasing tank is entered from air inlet 321 32 protection gas is during gas outlet 322 is flowed to, and due to gasing tank 32, cross-sectional area is gradually on direction from bottom to top Reduce, the flow velocity increase of protection gas, so that in protection gas after gasing tank 32, protection gas has larger in gas outlet 322 Outlet speed, so as to which protection gas is faster and better delivered into precalculated position, reduces the loss of protection gas.

Further, bearing of trend of the gasing tank 32 along support member 31 may move, and/or gasing tank 32 is around support member 31 Central axis is rotatable.For example, gasing tank 32 can only be moved along the bearing of trend of support member 31, it is possible thereby to adjust gasing tank Radial distance between 32 and support column 12, so that gas outlet 322 reaches better position.Four-way valve 200 specification not Simultaneously as the valve body of four-way valve 200 is of different sizes, thus four-way valve 200 welding position in the radial direction side along support column 12 It can change upwards, now can be by the bearing of trend moving charging gas tank 32 along support member 31, so as to adjust inflation Radial distance between tank 32 and support column 12 so that gas outlet 322 is adjusted to better position.

In another example, gasing tank 32 only can around support member 31 center axis thereof.Thus, by making gasing tank 32 around branch The center axis thereof of support member 31, can cause gas outlet 322 towards different directions, so as to going out gas outlet 322 Gas direction is adjusted to suitable direction.

For another example gasing tank 32 can be moved along the bearing of trend of support member 31 and can turned around the central axis of support member 31 It is dynamic.Now, the radial distance between gasing tank 32 and support column 12 can be both adjusted, while gas outlet 322 can also be adjusted Outgassing direction.

In a specific example of the present utility model, reference picture 1- Fig. 3, protection gas conveying device 3 includes above-mentioned support Part 31 and gasing tank 32, the big end of gasing tank 32 are connected with second sleeve 323, and second sleeve 323 is set on support member 31, the The second positioning screw 324 can be provided with two sleeves 323 simultaneously.Thus, gasing tank 32 can along support member 31 bearing of trend Mobile and around support member 31 central axis is rotatable, when gasing tank 32 is adjusted to correct position, can pass through the second positioning Screw 324 is positioned to second sleeve 323, prevents second sleeve 323 from rotating or mobile.

It is understood that when circle is in the cross section of support member 31, such as when support member 31 is round tube, second set The cross section of cylinder 323 is also circle, and now gasing tank 32 can be carried out around center axis thereof to any angle of support member 31 Position, thus gas outlet 322 can be rotated up and be positioned on any angle direction 360 degree of sides.In the horizontal stroke of support member 31 When section is polygon, such as when support member 31 is rectangular tube, the cross section of second sleeve 323 is also rectangle, now gasing tank 32 can around support member 31 center axis thereof and be positioned at the angle where one of side of the cross section of support member 31.

In some embodiments of the present utility model, reference picture 1- Fig. 3, fixed support 2 can be moved up and down along support column 12, And/or fixed support 2 is rotatable around the central axis of support column 12.For example, fixed support 2 can only be moved down along along support column 12 It is dynamic, it is possible thereby to adjust the height of fixed support 2 so that fixed support 2 is fixed on suitable height, is easy to welding personnel to weld The four-way valve 200 on fixed support 2 is fixed on, while the height between fixed support 2 and protection gas conveying device 3 can be adjusted Difference, so as to keep suitable between the gas outlet 322 of protection gas conveying device 3 and the four-way valve 200 being fixed on fixed support 2 Height distance.

In another example, fixed support 2 only can around support column 12 center axis thereof, from there through rotate fixed support 2 Fixed support 2 can be adjusted to suitable orientation, in order to which welding personnel is operated.

For another example fixed support 2 can be moved up and down and rotatable around the central axis of support column 12 along support column 12.This When, the height of fixed support 2 can be both adjusted, while the orientation of fixed support 2 can also be adjusted, so as to by fixed support 2 quickly and easily adjust to suitable position.

In some specific embodiments of the present utility model, reference picture 1- Fig. 3, fixed support 2 includes：Fixed plate 21 and many Individual support base 22 (for example, two support bases 22), fixed plate 21 is parallel with support column 12 to be connected, and fixed plate 21 and support column 12 are flat Row is set and fixed plate 21 is connected with support column 12, and multiple support bases 22 are connected in fixed plate 21 and to away from solid at interval The direction extension of fixed board 21, multiple support bases 22 can be connected to the lower end of fixed plate 21.Thus, fixed by four-way valve 200 When on fixed support 2, the main valve body 201 of four-way valve 200 can be supported on multiple support bases 22, and fixed plate 21 can both rise To the effect of connection support column 12, backstop can also be played a part of, fixed plate 21 can limit four-way valve 200 towards support column 12 direction movement.

Wherein, fixed plate 21 can be connected by 3rd sleeve 211 with support column 12, and 3rd sleeve 211 is set in support On post 12 and the periphery wall of 3rd sleeve 211 is connected with fixed plate 21, the 3rd positioning screw can be provided with 3rd sleeve 211. Thus, it is possible to make fixed support 2 to be moved up and down along support column 12 and rotatable around the central axis around support column 12, by admittedly When fixed rack 2 is adjusted to correct position, 3rd sleeve 211 can be positioned by the 3rd positioning screw, prevent fixed branch Frame 2 is rotated or mobile.

Further, fixed support 2 also includes：Baffle plate 23, baffle plate 23 is located on support base 22 and upwardly extended, baffle plate 23 It may move along the bearing of trend of support base 22.Thus, the baffle plate 23 of setting can prevent four-way valve 200 to be directed away from support column 12 Direction is moved, can be spacing on fixed support 2 by four-way valve 200 by above-mentioned fixed plate 21 and the backstop action of baffle plate 23, Prevent four-way valve 200 from being dropped from fixed support 2.Also, by the way that be arranged to baffle plate 23 can along the bearing of trend of support base 22 It is mobile, it can change the distance between baffle plate 23 and fixed plate 21 from there through moving stop 23, be used to hold so as to change Receive the space of four-way valve 200 so that fixed support 2 is applicable the four-way valve 200 of different size.For example, in the volume of four-way valve 200 When larger, direction that can be by baffle plate 23 along remote support column 12 is moved to increase the distance between baffle plate 23 and fixed plate 21, So as to increase the space for accommodating four-way valve 200.

Alternatively, reference picture 1 and Fig. 3, the lower end of baffle plate 23 can be provided with 4th sleeve 231, and 4th sleeve 231 can cover It is located on support base 22, the 4th positioning screw 232 can be provided with 4th sleeve 231.Thus, it is possible to make baffle plate 23 along support base 22 bearing of trend movement, can be 232 pair the 4th by the 4th positioning screw when fixed dam 23 is moved into correct position Sleeve 231 is positioned, and anti-baffle plate 23 is moved.

It should be noted that above-mentioned baffle plate 23 can be an entirety, multiple perforation can be provided with baffle plate 23, it is multiple to wear Hole is corresponded with above-mentioned multiple support bases 22, and multiple support bases 22 are each passed through multiple perforation, so that baffle plate 23 can be with Moved along the bearing of trend of support base 22.Certainly, above-mentioned baffle plate 23 can also include multiple, and multiple baffle plates 23 are respectively sleeved at pair On the support base 22 answered, the space for placing four-way valve 200 can be changed by mobile multiple baffle plates 23.

In some embodiments of the present utility model, reference picture 1- Fig. 3, welding tooling 100 also includes being used for four-way valve The spray equipment 4 of 200 coolings, spray equipment 4 is connected with support column 12 and neighbouring fixed support 2 is set, and spray equipment 4 has many Individual water jet 421, multiple water jets 421 are by cool water shower on four-way valve 200.Thus, 4 pairs of the spray equipment of setting is passed through Four-way valve 200 carries out spraying cooling, and the temperature of four-way valve 200 can be prevented too high and damaged or aoxidize seriously, so as to enter one Improve welding quality in step ground.Wherein, spray equipment 4 can be located at the top of fixed support 2, thus be easy to the cooling water of spray certainly So flow downward on four-way valve 200.

Alternatively, spray equipment 4 can be moved up and down along support column 12, and/or spray equipment 4 is around the central shaft of support column 12 Line is rotatable.For example, spray equipment 4 can be moved up and down only along support column 12, can from there through spray equipment 4 is moved up and down To adjust the distance between spray equipment 4 and fixed support 2 so that the cooling water that spray equipment 4 is sprayed is concentrated and effectively sprayed On four-way valve 200, good cooling effect is played.

In another example, spray equipment 4 only can around support column 12 center axis thereof, from there through rotate spray equipment 4 Position of the spray equipment 4 in the circumference of support column 12 between fixed support 2 can be adjusted, spray equipment 4 is adjusted to making Multiple water jets 421 of spray equipment 4 are obtained just to the four-way valve 200 being fixed on fixed support 2, so as to so that spray equipment The cooling water of 4 sprays, which is concentrated, effectively to be sprayed on four-way valve 200, plays good cooling effect.

For another example spray equipment 4 can be moved up and down and rotatable around the central axis of support column 12 along support column 12.By This, can move up and down spray equipment 4 to adjust the distance between spray equipment 4 and fixed support 2, while spray can be rotated Device 4, so as to rapidly adjust spray equipment 4 to correct position.

Further, reference picture 1 and Fig. 3, spray equipment 4 include feed pipe 41 and the multiple branch pipes being connected with feed pipe 41 42, feed pipe 41 is connected with support column 12, and length direction arranged for interval of multiple branch pipes 42 along feed pipe 41, each branch pipe 42 has There is water jet 421.Feed pipe 41 has water inlet 411, and cooling water enters in feed pipe 41 from water inlet 411, and from multiple The water jet 421 of pipe 42 sprays, and can equably be sprayed cooling water on four-way valve 200 by multiple branch pipes 42 of setting, So that four-way valve 200 is cooled down well.Wherein, feed pipe 41 can be moved up and down along support column 12, or feed pipe 41 Central axis around support column 12 is rotatable, or feed pipe 41 can be moved up and down along support column 12 and feed pipe 41 is around support The central axis of post 12 is rotatable.

It is used for four-way valve 200 referring to Fig. 3 and with reference to Fig. 1 and Fig. 2 descriptions according to the utility model one embodiment Welding tooling 100 use process.

Referring to Figures 1 and 2, in the present embodiment, welding tooling 100 includes above-mentioned support frame 1, fixed support 2, protection gas Conveying device 3 and spray equipment 4, spray equipment 4, fixed support 2 and protection gas conveying device 3 in direction from top to bottom successively It is connected with support column 12.

Wherein, protection gas conveying device 3 includes above-mentioned support member 31 and gasing tank 32, and the first end of support member 31 is provided with upper The first sleeve 311 is stated, the first sleeve 311 is set on support column 12, the first sleeve 311 is provided with above-mentioned first positioning screw 312.Gasing tank 32 is tapered, and air inlet 321 is formed on the side wall of gasing tank 32 and adjacent to the big end of gasing tank 32, gas outlet 322 form the small end in gasing tank 32.The big end of gasing tank 32 is connected with above-mentioned second sleeve 323, and second sleeve 323 is set in On support member 31, second sleeve 323 is provided with above-mentioned second positioning screw 324.

Fixed support 2 includes above-mentioned fixed plate 21, two support bases 22 and two baffle plates 23, and fixed plate 21 passes through above-mentioned the Three sleeves 211 are connected with support column 12, and 3rd sleeve 211 is provided with above-mentioned 3rd positioning screw.Two intervals of support base 22 are set Put and the lower end with fixed plate 21 be connected respectively, the branch valve body 202 of four-way valve 200 can be contained between two support bases 22, Two baffle plates 23 are respectively sleeved on two support bases 22.The lower end of baffle plate 23 is provided with above-mentioned 4th sleeve 231,4th sleeve 231 are provided with above-mentioned 4th positioning screw 232.

Spray equipment 4 includes above-mentioned feed pipe 41 and multiple branch pipes 42, and feed pipe 41 is connected with above-mentioned 3rd sleeve 211, Feed pipe 41 and fixed plate 21 are located at the opposite sides of 3rd sleeve 211, and feed pipe 41 is located at the top of fixed plate 21, Duo Gezhi Pipe 42 extends towards the direction of fixed plate 21, and the water jet 421 of multiple branch pipes 42 is located at the top of fixed plate 21.Now, due to It is fixed that spray equipment 4, which is relatively fixed support 2, when moving up and down or rotating fixed support 2 spray equipment 4 therewith on move down Dynamic or rotation.

When welding four-way valve 200 using above-mentioned welder, it can be caused by moving up and down and rotating fixed support 2 Fixed support 2 is located at suitable position, and causes fixed support 2 has appropriately sized by the baffle plate 23 of moving fixing support 2 Receiving space be used for place four-way valve 200, the main valve body 201 of four-way valve 200 is supported on to multiple support bases of fixed support 2 On 22.By moving up and down so that protecting gas conveying device 3 to keep suitable height distance with fixed support 2, by rotating guarantor Protecting gas conveying device 3 causes protection gas conveying device 3 to be located at the underface of fixed support 2.Cause to fill by moving charging gas tank 32 Gas tank 32 is in the vertical direction just to four-way valve 200, and by rotating gasing tank 32 so that gas outlet 322 is towards four-way valve 200 Preparation welding position.

Thus, when welding four-way valve 200, protection gas is sprayed to four-way valve by protection gas conveying device 3 by gas outlet 322 200 position welded, fine protection is formed so as to the welding position to four-way valve 200, prevents the oxygen of four-way valve 200 Change.Meanwhile, spray equipment 4 carries out spraying cooling water to carry out four-way valve 200 by multiple water jets 421 to four-way valve 200 Cooling.Four-way valve 200 is welded by using above-mentioned welding tooling 100, both can effectively protect four-way valve 200 not by Oxidation, while can be cooled down to four-way valve 200.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means to combine specific features, structure, material or the spy that the embodiment or example are described Point is contained at least one embodiment of the present utility model or example.In this manual, to the schematic table of above-mentioned term State and be necessarily directed to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be with Combined in an appropriate manner in any one or more embodiments or example.In addition, in the case of not conflicting, this area Technical staff the not be the same as Example or the feature of example and non-be the same as Example or example described in this specification can be entered Row is combined and combined.

Although embodiment of the present utility model has been shown and described above, it is to be understood that above-described embodiment is Exemplary, it is impossible to it is interpreted as to limitation of the present utility model, one of ordinary skill in the art is in scope of the present utility model It is interior above-described embodiment to be changed, changed, replaced and modification.

Claims (11)

1. a kind of welding tooling for four-way valve, it is characterised in that including：

Support frame, support frame as described above includes base and on base and the support column that upwardly extends；

Fixed support for fixing the four-way valve, the fixed support is connected with the support column；

Gas conveying device is protected, the protection gas conveying device is connected with the support column and around the central axis of the support column Rotatably, the protection gas conveying device has air inlet and gas outlet, and the air inlet is suitable to connect with source of the gas, the outlet Mouth is suitable to towards the fixed support.

2. the welding tooling according to claim 1 for four-way valve, it is characterised in that the protection gas conveying device edge The support column can be moved up and down.

3. the welding tooling according to claim 1 for four-way valve, it is characterised in that the fixed support is along the branch Dagger can be moved up and down, and/or the fixed support is rotatable around the central axis of the support column.

4. the welding tooling according to claim 1 for four-way valve, it is characterised in that the protection gas conveying device bag Include：

Support member, the first end of the support member be connected with the support column and the support member the second end towards away from the branch The direction extension of dagger, the support member is rotatable around the central axis of the support column；

The gasing tank on the support member is located at, the air inlet and the gas outlet are formed on the gasing tank.

5. the welding tooling according to claim 4 for four-way valve, it is characterised in that the gasing tank is along the support The bearing of trend of part may move, and/or the gasing tank is rotatable around the central axis of the support member.

6. the welding tooling according to claim 4 for four-way valve, it is characterised in that the gasing tank is tapered, institute Air inlet formation is stated on the side wall of the gasing tank and adjacent to the big end of the gasing tank, the gas outlet is formed to be filled described The small end of gas tank.

7. the welding tooling for four-way valve according to any one of claim 1-6, it is characterised in that also including for The spray equipment cooled down to the four-way valve, the spray equipment is connected with the support column and the neighbouring fixed support is set Put, the spray equipment has multiple water jets.

8. the welding tooling according to claim 7 for four-way valve, it is characterised in that the spray equipment includes supplying water Pipe and the multiple branch pipes being connected with the feed pipe, the feed pipe are connected with the support column, and multiple branch pipes are described in The length direction arranged for interval of feed pipe, each branch pipe has the water jet.

9. the welding tooling according to claim 7 for four-way valve, it is characterised in that the spray equipment is along the branch Dagger can be moved up and down, and/or the spray equipment is rotatable around the central axis of the support column.

10. the welding tooling for four-way valve according to any one of claim 1-6, it is characterised in that the fixation Support includes：

Fixed plate, the fixed plate is parallel with the support column to be connected；

Multiple support bases, multiple support bases are connected in the fixed plate and to the side away from the fixed plate at interval To extension.

11. the welding tooling according to claim 10 for four-way valve, it is characterised in that the fixed support is also wrapped Include：

Baffle plate, the baffle plate is located on the support base and upwardly extended, and bearing of trend of the baffle plate along the support base can It is mobile.