阅读说明：本技术 一种汽车风管用焊接装置 (Welding device for automobile air pipe ) 是由 王理漫 池志浩 汪本发 杨军 吕凡磊 于 2019-10-30 设计创作，主要内容包括：本发明公开了一种汽车风管用焊接装置,包括若干个焊接机构,焊接机构包括焊枪、超声波机,焊枪与超声波机连接,焊枪底部设有焊接头,还包括架体、汽车风管定位座、传动机构、冷却机构、电气控制机构；汽车风管定位座与架体连接；每一焊枪竖直设置在汽车风管定位座的上方,且位于汽车风管焊接点的正上方；每一传动机构设置在架体顶部；每一焊枪的顶部通过连接板与气缸连接；连接板的侧面设有连接板滑块；架体设有与连接板相配合的滑轨；连接板与架体滑动连接；冷却机构设置在架体上,且朝向焊接头设置；电气控制机构与传动机构、冷却机构、焊接机构连接。本发明提高了汽车风管焊接的稳定性,保障工人的安全性,并提高焊接效率。(The invention discloses a welding device for an automobile air pipe, which comprises a plurality of welding mechanisms, a frame body, an automobile air pipe positioning seat, a transmission mechanism, a cooling mechanism and an electric control mechanism, wherein each welding mechanism comprises a welding gun and an ultrasonic machine, the welding gun is connected with the ultrasonic machine, and a welding head is arranged at the bottom of the welding gun; the automobile air pipe positioning seat is connected with the frame body; each welding gun is vertically arranged above the automobile air pipe positioning seat and is positioned right above the automobile air pipe welding point; each transmission mechanism is arranged at the top of the frame body; the top of each welding gun is connected with the cylinder through a connecting plate; a connecting plate sliding block is arranged on the side surface of the connecting plate; the frame body is provided with a slide rail matched with the connecting plate; the connecting plate is connected with the frame body in a sliding way; the cooling mechanism is arranged on the frame body and is arranged towards the welding head; the electric control mechanism is connected with the transmission mechanism, the cooling mechanism and the welding mechanism. The welding method improves the welding stability of the automobile air pipe, guarantees the safety of workers and improves the welding efficiency.)

1. A welding device for an automobile air pipe comprises a plurality of welding mechanisms, wherein each welding mechanism comprises a welding gun and an ultrasonic machine, the welding guns are connected with the ultrasonic machines, and welding heads are arranged at the bottoms of the welding guns;

the automobile air pipe positioning seat is connected with the frame body; each welding gun is vertically arranged above the automobile air pipe positioning seat and is positioned right above a welding point of an automobile air pipe; each transmission mechanism is arranged at the top of the frame body; the top of each welding gun is connected with the transmission mechanism through a connecting plate; a connecting plate sliding block is arranged on the side surface of the connecting plate; the frame body is provided with a slide rail matched with the connecting plate; the connecting plate is connected with the frame body in a sliding manner; the cooling mechanism is arranged on the frame body and is arranged towards the welding head; the electric control mechanism is connected with the transmission mechanism, the cooling mechanism and the welding mechanism.

2. The welding device for the automobile air duct according to claim 1, wherein the frame body is provided with a guide rail; the bottom of the automobile air pipe positioning seat is provided with a positioning seat sliding block; the positioning seat sliding block is connected with the guide rail in a sliding mode.

3. The welding device for the automotive air duct according to claim 1, wherein the transmission mechanism is an air cylinder.

4. The welding device for the automobile air duct according to claim 1, characterized by further comprising a pressing mechanism; the pressing mechanism comprises a pressing plate cylinder and a pressing plate matched with the automobile air pipe; the pressing cylinder is positioned on the frame body; the pressing plate is positioned above the automobile air pipe; the pressing plate is connected with the pressing plate cylinder.

5. The welding device for the automotive air duct according to claim 1, wherein the cooling mechanism is a plurality of cooling air ducts.

6. The welding device for the automobile air pipe according to claim 1, wherein the electrical control mechanism comprises a first solenoid valve, a second solenoid valve, a third solenoid valve, a first time relay, a second time relay and a third time relay; the first electromagnetic valve is connected with each transmission mechanism; the second electromagnetic valve is connected with each welding gun; the third electromagnetic valve is connected with the cooling mechanism; the second time relay is arranged between the welding gun and the ultrasonic machine; the third time relay is connected with the cooling mechanism; the second time relay, the third time relay, the first electromagnetic valve, the second electromagnetic valve and the third electromagnetic valve are all connected with the first time relay.

7. The welding device for the automotive air duct according to claim 1, wherein the welding gun is detachably connected to the ultrasonic machine.

Technical Field

The invention relates to the field of welding, in particular to a welding device for an automobile air pipe.

Background

The automobile air pipe is assembled in a welding assembly mode. In the prior art, the automobile air pipe is generally welded manually by an ultrasonic machine, so that the method has low efficiency, the welded finished products are uneven, and the rejection rate is high; moreover, the quality requirement of the current automobile parts is higher and higher, and the quality of manual welding cannot meet the production requirement; when the automobile air pipe is welded by a plurality of welding points, the welding quality is poor, and the qualification rate is low.

Disclosure of Invention

The invention aims to provide a welding device for an automobile air pipe, which improves the welding stability of the automobile air pipe, guarantees the safety of workers and improves the welding efficiency.

In order to achieve the purpose, the invention provides a welding device for an automobile air pipe, which comprises a plurality of welding mechanisms, wherein each welding mechanism comprises a welding gun and an ultrasonic machine, the welding guns are connected with the ultrasonic machines, and welding heads are arranged at the bottoms of the welding guns;

the automobile air pipe positioning seat is connected with the frame body; each welding gun is vertically arranged above the automobile air pipe positioning seat and is positioned right above a welding point of an automobile air pipe; each transmission mechanism is arranged at the top of the frame body; the top of each welding gun is connected with the transmission mechanism through a connecting plate; a connecting plate sliding block is arranged on the side surface of the connecting plate; the frame body is provided with a slide rail matched with the connecting plate; the connecting plate is connected with the frame body in a sliding manner; the cooling mechanism is arranged on the frame body and is arranged towards the welding head; the electric control mechanism is connected with the transmission mechanism, the cooling mechanism and the welding mechanism.

Preferably, the frame body is provided with a guide rail; the bottom of the automobile air pipe positioning seat is provided with a sliding block; the sliding block is connected with the guide rail in a sliding manner; the automobile air duct positioning seat can be conveniently replaced at any time, various automobile air ducts can be welded in a universal mode, and resources are saved.

Preferably, the transmission mechanism is a cylinder; the cylinder can drive the welding gun to move up and down to perform welding work.

Preferably, the device further comprises a pressing mechanism; the pressing mechanism comprises a pressing plate cylinder and a pressing plate matched with the automobile air pipe; the pressing cylinder is positioned on the frame body; the pressing plate is positioned above the automobile air pipe; the pressing plate is connected with the pressing plate cylinder; the automobile air pipe is compressed through the pressing plate, and the welding quality is improved.

Preferably, the cooling mechanism is a plurality of cooling air pipes; the cooling air pipe can cool the welding joint, so that the welding joint is not in a constant heating state.

Preferably, the electric control mechanism comprises a first electromagnetic valve, a second electromagnetic valve, a third electromagnetic valve, a first time relay, a second time relay and a third time relay; the first electromagnetic valve is connected with each transmission mechanism; the second electromagnetic valve is connected with each welding gun; the third electromagnetic valve is connected with the cooling mechanism; the second time relay is arranged between the welding gun and the ultrasonic machine; the third time relay is connected with the cooling mechanism; the second time relay, the third time relay, the first electromagnetic valve, the second electromagnetic valve and the third electromagnetic valve are all connected with the first time relay; the welding precision can be well regulated and controlled by controlling the welding time of the welding head and the air blowing cooling time of the cooling air pipe, the overall welding time of the automobile air pipe is strictly controlled to improve the production efficiency, and the production cost is reduced.

Preferably, the welding gun is detachably connected with the ultrasonic machine; different welding heads can be replaced to meet different welding requirements of automobile air pipes.

Compared with the prior art, the invention has the beneficial effects that:

by arranging the cooling mechanism, the butt joint can be cooled, and the working efficiency is improved; by arranging the electric control mechanism, the time parameter can be adjusted, the welding precision can be well adjusted and controlled, and the welding quality is improved; through setting up a plurality of welding mechanism, but multiple spot welding improves the product percent of pass.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a welding device for an automotive air duct according to the present invention;

FIG. 2 is a right side view of a welding device for an automotive air duct according to the present invention;

fig. 3 is an electrical schematic diagram of a welding device for an automotive air duct according to the present invention.

Wherein: 1. a welding gun; 2. welding a head; 3. a frame body; 4. an automobile air duct positioning seat; 5. a connecting plate; 6. a connecting plate slider; 7. a slide rail; 8. a guide rail; 9. a slider; 10. a cylinder; 11. cooling the air pipe; 12. an automotive air duct; 13. a platen cylinder; 14. and (7) pressing a plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Embodiments of the present invention will be described below with reference to the accompanying drawings.

Referring to fig. 1-3, a welding device for an automobile air duct is shown, which comprises a plurality of welding mechanisms, wherein each welding mechanism comprises a welding gun 1 and an ultrasonic machine, the welding gun 1 is connected with the ultrasonic machine, a welding head 2 is arranged at the bottom of the welding gun 1, and the welding device further comprises a frame body 3, an automobile air duct positioning seat 4, a transmission mechanism, a cooling mechanism and an electric control mechanism;

the automobile air duct positioning seat 4 is connected with the frame body 3; each welding gun 1 is vertically arranged above the automobile air pipe positioning seat 4 and is positioned right above a welding point of the automobile air pipe 12; each transmission mechanism is arranged at the top of the frame body 3; the top of each welding gun 1 is connected with a transmission mechanism through a connecting plate 5; a connecting plate sliding block 6 is arranged on the side surface of the connecting plate 5; the frame body 3 is provided with a slide rail 7 matched with the connecting plate 5; the connecting plate 5 is connected with the frame body 3 in a sliding way; the cooling mechanism is arranged on the frame body 3 and faces the welding head 2; the electric control mechanism is connected with the transmission mechanism, the cooling mechanism and the welding mechanism.

In the above embodiment, the frame body 3 is provided with the guide rail 8; the bottom of the automobile air pipe positioning seat 4 is provided with a sliding block 9; the slide block 9 is connected with the guide rail 8 in a sliding way; the automobile air pipe positioning seat 4 can be conveniently replaced at any time, various automobile air pipes can be welded universally, and resources are saved.

In the above embodiment, the transmission mechanism is the cylinder 10; the cylinder 10 can drive the welding gun 1 to move up and down to perform welding work.

In the above embodiment, a pressing mechanism is further included; the pressing mechanism comprises a pressing plate cylinder 13 and a pressing plate 14 matched with the automobile air pipe 12; the pressing cylinder 10 is positioned on the frame body 3; the pressing plate 14 is positioned above the automobile air pipe 12; the pressing plate 14 is connected with the pressing plate cylinder 13; the automobile air pipe 12 is pressed tightly through the pressing plate 14, and the welding quality is improved.

In the above embodiment, the cooling mechanism is a plurality of cooling air pipes 11; the cooling gas pipe 11 can cool the weld joint 2 so that the weld joint 2 is not constantly heated.

In the above embodiment, the electrical control mechanism includes a first solenoid valve, a second solenoid valve, a third solenoid valve, a first time relay, a second time relay, a third time relay; the first electromagnetic valve is connected with each transmission mechanism; the second electromagnetic valve is connected with each welding gun 1; the third electromagnetic valve is connected with the cooling mechanism; the second time relay is arranged between the welding gun 1 and the ultrasonic machine; the third time relay is connected with the cooling mechanism; the second time relay, the third time relay, the first electromagnetic valve, the second electromagnetic valve and the third electromagnetic valve are all connected with the first time relay; by controlling the welding time of the welding head 2 and the air blowing cooling time of the cooling air pipe 11, the welding precision can be well regulated, and the overall welding time of the automobile air pipe 12 is strictly controlled to improve the production efficiency and reduce the production cost.

In the above embodiment, the welding gun 1 is detachably connected to the ultrasonic machine; different welding heads 2 can be replaced to meet different welding requirements of the automotive air duct 12.

In the electrical schematic diagram of the embodiment, wherein

1. A first solenoid valve (YV 1);

2. a second solenoid valve (YV 2);

3. a third solenoid valve (YV 3);

4. a first time relay (KT 1);

5. a second time relay (KT 2);

6. a third time relay (KT 3);

7. an intermediate relay (KA1 KA2 KA 3);

8. a power master switch (SB 1);

9. the push-button switch (SB2) is activated.

The working principle of the invention is as follows:

turning on the emergency stop main switch SB1, switching on the circuit, putting the automobile air duct product in the circuit, and preparing for welding. Pressing SB2 starts the switch, the following circuit is closed:

after the KA1 intermediate relay is electrified, the SB2 starting switch with the KA1 self-locking contact closed is self-locked, and the KA1 contact is closed. The YV1YV2 electromagnetic valve is electrified to push the pressing plate and the welding gun to press downwards to weld the air pipe. After the KA2 is electrified, the KA2 contact is closed, the welding gun is connected with the ultrasonic machine to enter a welding working state, and the automobile air pipe is welded; the total welding time is controlled by a KT1 first time relay, and the total welding time is 20 seconds. After the circuit is pressed through, a second time relay of KT2 is electrified, the time delay is 8 seconds, and the KT2 time-delay normally-open contact is closed.

The KT2 delays the disconnection of the normally closed contact, the welding gun is disconnected with the ultrasonic machine, the welding gun finishes welding the product at the moment, the welding gun head still presses the product, meanwhile, the KT2 delays the closing of the normally open contact, the KA3 relay and the KT3 third time relay are electrified, and the KA3 contact is closed; the YV3 air blowing electromagnetic valve is electrified to work, air blowing is carried out to cool welding spots, the KT3 time-delay normally closed contact is disconnected after the KT3 third time relay delays for 6 seconds, the YV3 air blowing electromagnetic valve is electrified, and air blowing cooling work is finished.

After the operation of the previous flow is completed, the time reaches 20 seconds, the time set by a KT1 first time relay is reached, at the moment, the KT1 delays the disconnection of the normally closed contact, the subsequent circuit is completely powered off, the YV1YV2 is powered off, the pressing plate and the welding gun are lifted and leave the automobile air duct product, the product can be taken out of the clamp, and the whole welding process is finished.

While the preferred embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.