CN214518058U

CN214518058U - Brazing equipment for engine pipe fitting

Info

Publication number: CN214518058U
Application number: CN202120578796.4U
Authority: CN
Inventors: 肖姚; 许英家; 刘红
Original assignee: Ningbo Gonghao Metal Manufacturing Co ltd
Current assignee: Ningbo Gonghao Metal Manufacturing Co ltd
Priority date: 2021-03-22
Filing date: 2021-03-22
Publication date: 2021-10-29
Anticipated expiration: 2031-03-22

Abstract

The utility model discloses a brazing device for engine pipe fittings, which comprises a welding furnace and an argon filling device, wherein the welding furnace is internally provided with a welding chamber, and the welding chamber is internally provided with a heating component; the argon filling device comprises a first air tank (18) and a second air tank (19), wherein the first air tank (18) can fill argon into the welding chamber under the action of an air pump, and the second air tank (19) is used for receiving air in the welding chamber; the welding furnace comprises a furnace body (3) and a furnace cover (4), wherein the furnace cover (4) covers the furnace body (3), a tank opening of a first gas tank (18) is connected to the furnace cover (4) through a first connector (20), and a tank opening of a second gas tank (19) is also connected to the furnace cover (4) through a second connector (21); the inner cavity of the first gas tank (18) and the inner cavity of the second gas tank (19) are communicated with a welding chamber. The brazing equipment can effectively avoid the generation of an oxidation film in the welding process of the engine pipe fitting, thereby improving the welding quality of the engine pipe fitting.

Description

Brazing equipment for engine pipe fitting

Technical Field

The utility model relates to an automobile engine accessory makes technical field, more exactly relates to an engine pipe fitting's equipment of brazing.

Background

The good or bad leakproofness of parts such as oil pipe, breather pipe, water-cooling pipe of automobile engine plays decisive effect to engine work. The product is required to have the sealing performance less than 2 square centimeters per minute due to working in extremely severe environments (cold and hot and high vibration), so that the leakage caused by poor welding can not occur, and the conditions of leakage and the like caused by expansion with heat and contraction with cold of the product due to high vibration or high heat can not occur. The engine pipe fitting is generally made of aluminum alloy materials, because aluminum is easy to form an aluminum oxide oxidation film when meeting oxygen, the melting point is as high as 2050 ℃, and the aluminum alloy subjected to surface treatment is difficult to avoid and cannot generate an oxidation film in the operation process even if the aluminum alloy is welded quickly, the oxidation film can seriously influence the welding quality of the engine pipe fitting, so the welding dew point must be strictly controlled, a brazing atmosphere is provided, and the generation of HF is reduced as much as possible.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide an engine pipe fitting's equipment of brazing, this equipment of brazing makes the engine pipe fitting can effectively avoid generating the oxide film in the welded in-process to improve the welding quality of engine pipe fitting.

The technical scheme of the utility model is that the brazing equipment of the engine pipe fitting with the following structure is provided, which comprises a welding furnace and an argon filling device, wherein the welding furnace is internally provided with a welding chamber, and the welding chamber is internally provided with a heating component; the argon filling device comprises a first air tank and a second air tank, the first air tank can fill argon into the welding chamber under the action of an air pump, and the second air tank is used for receiving air in the welding chamber; the welding furnace comprises a furnace body and a furnace cover, wherein the furnace cover covers the furnace body, the tank opening of the first gas tank is connected to the furnace cover through a first connector, and the tank opening of the second gas tank is also connected to the furnace cover through a second connector; the inner cavity of the first gas tank and the inner cavity of the second gas tank are communicated with the welding chamber.

After the structure above the adoption, the utility model discloses an equipment of brazing of engine pipe fitting compares with prior art, has following advantage:

because the utility model discloses an engine pipe's equipment of brazing includes the welding furnace and fills the argon gas device, fills the argon gas device and includes first gas pitcher and second gas pitcher, first gas pitcher can fill argon gas to the welding chamber through the air pump effect, the second gas pitcher be used for receiving the air in the welding chamber, the inner chamber of first gas pitcher and the inner chamber of second gas pitcher all with the welding chamber be linked together, during the use, receive the air pump effect, fill the welding chamber with the argon gas in the first gas pitcher, at the in-process of aerifing, in the air in the welding chamber can run into the second gas pitcher, can be full of argon gas in the welding chamber like this for the engine pipe can braze in the environment of argon gas, can effectively avoid generating the oxide film, thereby improve the welding quality of engine pipe.

As an improvement, the first air tank opening is connected with the first joint through a first hose, and the second air tank opening is connected with the second joint through a second hose. After the structure is adopted, the hose is arranged between the tank opening of the gas tank and the joint, and the furnace cover is convenient to open.

As an improvement, one side of the furnace cover is hinged on one side of the furnace body, and the furnace cover is connected with the furnace body in a sealing way through a sealing ring; the furnace cover is connected with an automatic cover opening device, and the automatic cover opening device can automatically open the furnace cover. After adopting this kind of structure, receive automatic device effect of uncapping, can open the bell automatically, it is more convenient to open and shut the bell.

As an improvement, the automatic cover opening device comprises an air cylinder, a connector and a connecting piece; the connecting head is fixedly connected to the end part of the piston rod of the air cylinder, one end of the connecting piece is hinged to the connecting head, and the other end of the connecting piece is hinged to the furnace cover. After adopting this kind of structure, automatic device of uncapping simple structure, the equipment is convenient, the one end of connecting piece articulate in the connecting head on, the other end of connecting piece articulate in the bell on, the bell is connected more nimble with the cylinder.

As an improvement, the other side of the upper surface of the furnace cover is provided with a hinge seat, and the other end of the connecting piece is hinged on the hinge seat. After adopting this kind of structure, be connected through articulated seat between bell and the connecting piece, it is more convenient to connect.

As an improvement, the welding equipment further comprises a frame, wherein an installation frame is arranged on the frame and comprises a connecting part and a supporting part, the lower end of the connecting part is connected with the frame, the upper end of the connecting part is connected with one side of the supporting part, and the supporting part is positioned above the furnace cover; the cylinder is arranged on the supporting part. After adopting this kind of structure, the cylinder is installed on the mounting bracket, simple structure, and the equipment is convenient, and the cylinder is installed on the supporting part, and the supporting part is located the top of bell, and structural design is more reasonable.

As an improvement, the brazing equipment further comprises a heating device, the heating assembly comprises a hollow heating copper pipe, the heating copper pipe is arranged in the furnace body and is in contact with the heating device, and heat generated by the heating device can be conducted to the heating copper pipe. After adopting this kind of structure, the welding furnace heats through heating copper pipe, and heating device heats heating copper pipe through heat-conduction's mode, simple structure, and the heating effect is better.

As an improvement, a supporting block is arranged in the furnace body and used for supporting the engine pipe fitting. After adopting this kind of structure, simple structure, convenient to use.

As an improvement, the heating copper pipe is provided with a supporting part, and the supporting surface of the supporting part and the supporting surface of the supporting block are on the same horizontal plane. After adopting this kind of structure, heating copper pipe can not only heat, can also support the engine pipe fitting, uses more reliably.

As an improvement, the brazing equipment comprises a water inlet pipe and a water outlet pipe; the water inlet pipe is connected with one end of the heating copper pipe, and the water outlet pipe is connected with the other end of the heating copper pipe; the inner cavity of the water inlet pipe and the inner cavity of the water outlet pipe are communicated with the inner cavity of the heating copper pipe. After adopting this kind of structure, lead to the cooling water through inlet tube and play water pipe and can cool down heating copper pipe, the protection heating copper pipe makes it can not burn out because of the high temperature.

Drawings

Fig. 1 is a schematic perspective view of the brazing apparatus for engine pipes of the present invention.

Fig. 2 is a schematic view of a part of the structure of the brazing apparatus for engine pipes according to the present invention.

Fig. 3 is a schematic structural view of a part of the brazing apparatus for engine pipes according to the present invention.

Shown in the figure: 1. the heating device comprises a frame, 2, a heating device, 3, a furnace body, 4, a furnace cover, 5, a sealing ring, 6, a first hinge shaft, 7, a hinge lug, 8, a connecting part, 9, a supporting part, 10, a cylinder, 11, a connector, 1101, a groove, 12, a connecting part, 14, an arc surface, 15, a hinge seat, 16, a protrusion, 17, a third hinge shaft, 18, a first air tank, 19, a second air tank, 20, a first connector, 21, a second connector, 22, a hose, 23, a heating copper pipe, 2301, a supporting end, 24, a supporting block, 25, a water inlet pipe, 26 and a water outlet pipe.

Detailed Description

For a better understanding of the present application, various aspects of the present application will be described in more detail with reference to the accompanying drawings. It should be understood that the detailed description is merely illustrative of exemplary embodiments of the present application and does not limit the scope of the present application in any way. Like reference numerals refer to like elements throughout the specification.

In the drawings, the thickness, size, and shape of an object have been slightly exaggerated for convenience of explanation. The figures are purely diagrammatic and not drawn to scale.

It will be further understood that the terms "comprises," "comprising," "includes," "including," "has," "having," "contains," and/or "containing," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

As shown in fig. 1 to 3, the present embodiment discloses an engine pipe brazing apparatus including a welding furnace, an argon gas filling device, a frame 1, and a heating device 2.

The welding furnace is arranged at the upper end of the frame 1. The welding furnace comprises a furnace body 3 and a furnace cover 4, an opening is formed in the upper end of the furnace body 3, the furnace cover 4 covers the furnace body 3, and the end face of the port of the furnace body 3 is in sealing connection with the furnace cover 4 through a sealing ring 5. One side of the furnace cover 4 is hinged with one side of the furnace body 3, namely, the two ends of one side of the furnace body 3 are respectively provided with a first hinge shaft 6, the two ends of one side of the furnace cover 4 are respectively provided with a hinge lug 7, the hinge lugs 7 are provided with hinge holes, and the hinge lugs 7 are hinged on the corresponding first hinge shafts 6 in a one-to-one correspondence manner.

The upper end of frame 1 be equipped with the mounting bracket, the mounting bracket be located the articulated outside of side of welding stove. The mounting bracket include connecting portion 8 and supporting part 9, the lower extreme of connecting portion 8 with the upper end of frame 1 be connected, the upper end of connecting portion 8 with one side of supporting part 9 be connected, support end 2301 be located the top of bell 4. The supporting part 9 and the connecting part 8 form a certain included angle.

The furnace cover 4 is connected with an automatic cover opening device, and the automatic cover opening device comprises a cylinder 10, a connector 11 and a connecting piece 12. The cylinder 10 is mounted on the support part 9 of the mounting frame, and the end of the piston rod of the cylinder 10 is positioned above the furnace cover 4. Connector 11 fixed connection be in the tip of piston rod on, connector 11 be close to one side of bell 4 be equipped with recess 1101, the both sides of recess 1101 all be equipped with the hinge hole, connector 11 be close to the side of one side of bell 4 be arc surface 14. The connecting piece 12 is strip-shaped, and hinge holes are formed in two ends of the connecting piece 12. The upper end of the connecting piece 12 is hinged on the connecting head 11 through a second hinge shaft 13, namely, the second hinge shaft 13 passes through a hinge hole at the upper end of the connecting piece 12, and two ends of the second hinge shaft 13 are hinged in hinge holes at two sides of the groove 1101. The upper surface of bell 4 keep away from and be equipped with articulated seat 15 on one side of the articulated side of bell 4, the upper surface of articulated seat 15 be equipped with two archs 16, arch 16 on all be equipped with the hinge hole, the lower extreme of connecting piece 12 articulate through third hinge shaft 17 articulated seat 15 on, promptly third hinge shaft 17 pass the hinge hole of connecting piece 12 lower extreme, the both ends of third hinge shaft 17 articulate in the hinge hole of two archs 16.

The argon filling device comprises a first gas tank 18 and a second gas tank 19, wherein the first gas tank 18 is used for filling argon into the welding chamber, and the second gas tank 19 is used for receiving air in the welding chamber. A first joint 20 and a second joint 21 are arranged on one side of the furnace cover 4 close to the hinged side, the tank opening of the first air tank 18 is connected with the first joint 20 through a hose 22, and the tank opening of the second air tank 19 is connected with the second joint 21 through a hose 22.

The heating device 2 is arranged in the frame 1. The welding furnace is internally provided with a heating assembly, the heating assembly comprises a hollow heating copper pipe 23, and the heating copper pipe 23 is arranged in the furnace body 3. The heating copper pipe 23 is provided with a supporting end 2301. The furnace body 3 is internally provided with a supporting block 24, and the supporting block 24 is used for supporting an engine pipe fitting. The support surface of the support end 2301 and the support surface of the support block 24 are on the same horizontal plane. The side wall of the furnace body 3 is provided with a water inlet pipe 25, and the side wall of the frame 1 is provided with a water outlet pipe 26. One end of the heating copper pipe 23 is connected with the water inlet pipe 25, and the inner cavity of the water inlet pipe 25 is communicated with the inner cavity of the heating copper pipe 23. The other end of the heating copper pipe 23 penetrates through the bottom of the furnace body 3 and then is connected with the water outlet pipe 26, and the inner cavity of the water outlet pipe 26 is communicated with the inner cavity of the heating copper pipe 23.

The utility model discloses an equipment of brazing of engine pipe fitting during operation starts cylinder 10 and opens bell 4 automatically, puts into the welding chamber of furnace body 3 with the engine pipe fitting, and this engine pipe fitting is taken on supporting shoe 24 and support end 2301, covers bell 4 on furnace body 3 through cylinder 10 again. Then the gas pump is started to fill the argon gas in the first gas tank 18 into the welding chamber, and the argon gas will push the air in the welding chamber into the second gas tank 19, so that the welding chamber is filled with argon gas. Then the heating device 2 is started, the heat generated by the heating device 2 is conducted to the heating copper pipe 23, the temperature in the welding chamber can be raised under the action of the heating copper pipe 23, and the brazing process is completed. In the brazing process, cooling water is introduced into the water inlet pipe 25, flows through the heating copper pipe 23 and then flows out of the water outlet pipe 26, and the heating copper pipe can be cooled so as not to be burnt out.

Claims

1. An engine pipe's equipment of brazing which characterized in that: the argon arc welding device comprises a welding furnace and an argon filling device, wherein a welding chamber is arranged in the welding furnace, and a heating assembly is arranged in the welding chamber; the argon filling device comprises a first air tank (18) and a second air tank (19), wherein the first air tank (18) can fill argon into the welding chamber through the action of an air pump, and the second air tank (19) is used for receiving air in the welding chamber; the welding furnace comprises a furnace body (3) and a furnace cover (4), wherein the furnace cover (4) covers the furnace body (3), the tank opening of the first gas tank (18) is connected to the furnace cover (4) through a first connector (20), and the tank opening of the second gas tank (19) is also connected to the furnace cover (4) through a second connector (21); the inner cavity of the first gas tank (18) and the inner cavity of the second gas tank (19) are communicated with the welding chamber.

2. The engine pipe brazing apparatus according to claim 1, wherein: the tank opening of the first air tank (18) is connected with the first joint (20) through a first hose, and the tank opening of the second air tank (19) is connected with the second joint (21) through a second hose.

3. The engine pipe brazing apparatus according to claim 2, wherein: one side of the furnace cover (4) is hinged on one side of the furnace body (3), and the furnace cover (4) is hermetically connected with the furnace body (3) through a sealing ring (5); the furnace cover (4) is connected with an automatic cover opening device, and the automatic cover opening device can automatically open the furnace cover (4).

4. The engine pipe brazing apparatus according to claim 3, wherein: the automatic cover opening device comprises a cylinder (10), a connector (11) and a connecting piece (12); connector (11) fixed connection be in the tip of the piston rod of cylinder (10) on, the one end of connecting piece (12) articulate connector (11) on, the other end of connecting piece (12) articulate bell (4) on.

5. The engine pipe brazing apparatus according to claim 4, wherein: the furnace cover is characterized in that a hinge seat (15) is arranged on the other side of the upper surface of the furnace cover (4), and the other end of the connecting piece (12) is hinged on the hinge seat (15).

6. The engine pipe brazing apparatus according to claim 4, wherein: the brazing equipment further comprises a frame (1), wherein a mounting frame is arranged on the frame (1), the mounting frame comprises a connecting part (8) and a supporting part (9), the lower end of the connecting part (8) is connected with the frame (1), the upper end of the connecting part (8) is connected with one side of the supporting part (9), and the supporting part (9) is positioned above the furnace cover (4); the cylinder (10) is arranged on the supporting part (9).

7. The engine pipe brazing apparatus according to claim 1, wherein: the brazing equipment further comprises a heating device, the heating assembly comprises a hollow heating copper pipe (23), the heating copper pipe (23) is installed in the furnace body (3), the heating copper pipe (23) is in contact with the heating device, and heat generated by the heating device can be conducted to the heating copper pipe (23).

8. The engine pipe brazing apparatus according to claim 7, wherein: the furnace body (3) is internally provided with a supporting block (24), and the supporting block (24) is used for supporting an engine pipe fitting.

9. The engine pipe brazing apparatus according to claim 8, wherein: the heating copper pipe (23) is provided with a supporting end (2301), and the supporting surface of the supporting end (2301) and the supporting surface of the supporting block (24) are on the same horizontal plane.

10. The engine pipe brazing apparatus according to claim 7, wherein: the brazing equipment comprises a water inlet pipe (25) and a water outlet pipe (26); the water inlet pipe (25) is connected with one end of the heating copper pipe (23), and the water outlet pipe (26) is connected with the other end of the heating copper pipe (23); the inner cavity of the water inlet pipe (25) and the inner cavity of the water outlet pipe (26) are communicated with the inner cavity of the heating copper pipe (23).