Tool cabinet welding assembly line

Abstract

The utility model discloses a tool cabinet welding assembly line which comprises a conveyor (1), a plurality of welding stations (2) are formed on the conveyor (1), a welding device (3) is arranged on one side of each welding station (2), an exhaust fume collecting hood (4) connected with an exhaust fan is arranged above each welding station (2), a lifting mechanism is arranged on the outer side of each welding station (2), and a rectangular hard pipe (5) is arranged at the lifting end of each lifting mechanism. The hard pipe (5) is located between the welding station (2) and the exhaust fume collecting hood (4), a plurality of air supply outlets (6) are formed in the top of the hard pipe (5), and the hard pipe (5) is connected with an air blower (8) through a hose (7). The lifting mechanism comprises two air cylinders (9), and the two air cylinders (9) are located below the two diagonal corners of the hard pipe (5) respectively. The device has the advantages of being beneficial to keeping the air quality of a workshop and convenient to use, and is suitable for being used for modifying an existing assembly line.

Description

TECHNICAL FIELD

[0001] The utility model belongs to tool cabinet production flow line field especially relates to a tool cabinet welding flow line. BACKGROUND

[0002] The existing tool cabinet welding flow line is an automatic flow line, comprising a linear conveyor, a plurality of welding stations formed on the conveyor, welding equipment arranged on one side of the welding stations, and a tool cabinet moving on the conveyor and sequentially passing through the plurality of welding stations, temporarily stopping at each welding station according to a work rhythm, and automatically completing corresponding welding operations under the action of the welding equipment.

[0003] Toxic smoke is generated during the welding process. In consideration of the health of workshop employees, a smoke hood connected to an air extractor is arranged above the welding station. The air extractor generates negative pressure in the smoke hood to extract the smoke. The lower the height of the smoke hood, the better the smoke extraction effect. However, in order to prevent the smoke hood from interfering with the welding equipment in the moving state, the smoke hood is arranged at a relatively large height, resulting in a considerable amount of smoke escaping from the suction range of the smoke hood and entering the workshop, which is not conducive to maintaining the air quality in the workshop. SUMMARY

[0004] The utility model discloses a tool cabinet welding flow line. The utility model has the advantages of being beneficial to maintaining the air quality in the workshop and being convenient to use, and is suitable for the modification and use of the existing flow line.

[0005] The utility model discloses a technical scheme of a tool cabinet welding flow line, comprising a conveyor, a plurality of welding stations formed on the conveyor, welding equipment arranged on one side of the welding stations, a smoke hood connected to an air extractor arranged above the welding stations, a lifting mechanism arranged on the outer side of the welding station, a rectangular hard pipe arranged on the lifting end of the lifting mechanism, the hard pipe being located between the welding station and the smoke hood, a plurality of air supply openings arranged on the top of the hard pipe, and a blower connected to the hard pipe through a flexible pipe.

[0006] In the foregoing tool cabinet welding flow line, the lifting mechanism comprises two air cylinders, the two air cylinders are respectively located below two diagonally opposite sides of the hard pipe, the cylinder body of the air cylinder is fixed to the ground or the rack of the conveyor, and the piston rod of the air cylinder is fixed to the hard pipe.

[0007] In the foregoing tool cabinet welding flow line, the flow line further comprises a control system, the control system comprises a controller, an electromagnetic valve arranged between the controller and the air cylinder, the air cylinder connected to a compressed gas source through the electromagnetic valve, and the blower connected to commercial power through the controller.

[0008] In the foregoing tool cabinet welding flow line, two sensors distributed forward and backward along the conveying direction of the conveyor are arranged on one side of the welding station, the sensors are connected to the controller, and the sensors are fixed to the rack of the conveyor.

[0009] The sensor in the tool cabinet welding assembly line is an infrared distance sensor.

[0010] The tool cabinet welding assembly line has a flat guide pipe at the air outlet.

[0011] Compared with the prior art, the tool cabinet welding assembly line is improved on the basis of the prior art, and the improvements include the following:

[0012] 1. A hard pipe is arranged below the fume hood, the hard pipe is connected to the air blower through a soft pipe, and air flow is emitted through the flat guide pipe to form an air curtain, intercept the smoke generated during welding, and guide the smoke into the fume hood, thereby reducing the amount of smoke entering the workshop and maintaining the air quality in the workshop.

[0013] 2. The position of the tool cabinet is detected by the sensor, and the lifting of the hard pipe is automatically completed by the controller, without manual intervention, and the tool cabinet welding assembly line is more convenient to use.

[0014] In summary, the tool cabinet welding assembly line has the advantages of maintaining the air quality in the workshop and being convenient to use, and is suitable for the modification of the prior art. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a top view of the tool cabinet welding assembly line.

[0016] Figure 2 is Figure 1 a schematic view in the K direction.

[0017] Figure 3 is a schematic view of the control system.

[0018] The reference signs in the drawings are as follows: 1-conveyor, 2-welding station, 3-welding equipment, 4-fume hood, 5-hard pipe, 6-air outlet, 7-soft pipe, 8-air blower, 9-cylinder, 10-controller, 11-solenoid valve, 12-sensor, 13-guide pipe. DETAILED DESCRIPTION

[0019] The tool cabinet welding assembly line will be further described below in conjunction with the drawings and examples, but it is not intended to limit the tool cabinet welding assembly line.

[0020] Example: tool cabinet welding assembly line, such as Figure 1As shown, the existing pipeline is improved on the basis of the existing pipeline, the existing pipeline includes a conveyor 1, a plurality of welding stations 2 are formed on the conveyor 1, a welding device 3 is arranged on one side of the welding station 2, and a smoke hood 4 connected to a top exhaust fan is arranged above the welding station 2, the exhaust port of the exhaust fan is led out of the workshop, the smoke hood 4 forms a negative pressure, and the smoke hood 4 is connected to the top ceiling of the workshop by a boom. The improvements are as follows:

[0021] A lifting mechanism is arranged on the outer side of the welding station 2, and a rectangular hard pipe 5 is arranged between the welding station 2 and the smoke hood 4. A plurality of air supply openings 6 are arranged at the top of the hard pipe 5, a flat guide pipe 13 is arranged at the air supply opening 6, the guide pipe 13 points to the inner side of the smoke hood 4, and the hard pipe 5 is connected to a high-pressure air blower 8 through a hose 7. When the power of the air blower is large enough, a plurality of hoses 7 can share one air blower 8.

[0022] The lifting mechanism includes two double-acting type air cylinders 9, the two air cylinders 9 are respectively located below two diagonally opposite sides of the hard pipe 5, the cylinder body of the air cylinder 9 is fixed to the ground or the rack of the conveyor 1, and the piston rod of the air cylinder 9 is fixed to the hard pipe 5.

[0023] The pipeline further includes a control system, the control system includes an FX2N type controller 10, an electromagnetic valve 11 is arranged between the controller 10 and the air cylinder 9, the electric control end of the electromagnetic valve 11 is connected to the signal output end of the controller 10, the air cylinder 9 is connected to a compressed gas source such as an air compressor through the two-position five-way electromagnetic valve 11, the air blower 8 is connected to the mains through the controller 10, and the air blower 8 is connected to the relay output end of the controller 10.

[0024] One side of the welding station 2 is provided with two sensors 12 distributed forward and backward along the conveying direction of the conveyor 1, the sensor 12 is fixed to the rack of the conveyor 1 through a support, the sensor 12 is an E3F-DS30C4 type infrared distance sensor, the sensor 12 is connected to the signal input end of the controller 10, and the sensor 12 is fixed to the rack of the conveyor 1 through the support.

[0025] Working principle: In the initial state, the cylinder 9 keeps the hard tube 5 close to the fume hood 4, ensuring the tool cabinet on the conveyor can pass smoothly from the bottom of the hard tube 5. When the tool cabinet enters the welding station 2 and is detected by the sensor 12 on the front side of the station, the controller 10 makes the cylinder 9 retract through the electromagnetic valve 11, and the blower 8 is started by being connected to the mains. The hard tube 5 is lowered, approaching the conveying surface of the conveyor 1. At this time, the tool cabinet is surrounded by the hard tube 5, and the airflow generated by the blower 8 enters the hard tube 5 from the hose 7, exits from the air outlet 6, and forms an air curtain under the action of the flat guide pipe 13, which is directed to the fume hood. It is necessary to avoid the air curtain directly hitting the tool cabinet on the welding station 2, and to avoid changing the direction of the airflow. Due to the blocking effect of the air curtain, the smoke generated during welding is not easy to spread to the entire workshop, and the air curtain airflow gives the smoke upward power, promoting the smoke into the fume hood 4. When the welding is completed and the tool cabinet moves a small distance without touching the hard tube 5, the sensor 12 on the rear side of the station generates a signal, and the controller 10 makes the cylinder 9 extend through the electromagnetic valve 11, raises the hard tube 5, does not hinder the advancement of the tool cabinet, and closes the blower 8 to reduce energy consumption.

Claims

1. A tool cabinet welding production line, comprising a conveyor (1), multiple welding stations (2) formed on the conveyor (1), welding equipment (3) provided on one side of each welding station (2), and a fume hood (4) connected to an exhaust fan provided above each welding station (2), characterized in that: A lifting mechanism is provided on the outside of the welding station (2). The lifting end of the lifting mechanism is provided with a rectangular rigid pipe (5). The rigid pipe (5) is located between the welding station (2) and the fume hood (4). The top of the rigid pipe (5) is provided with multiple air outlets (6). The rigid pipe (5) is connected to the blower (8) through a flexible hose (7).

2. The tool cabinet welding production line according to claim 1, characterized in that: The lifting mechanism includes two cylinders (9), which are located below the two diagonally opposite corners of the rigid pipe (5). The cylinder body of the cylinder (9) is fixed to the ground or the frame of the conveyor (1), and the piston rod of the cylinder (9) is fixed to the rigid pipe (5).

3. The tool cabinet welding production line according to claim 2, characterized in that: The production line also includes a control system, which includes a controller (10). A solenoid valve (11) is provided between the controller (10) and the cylinder (9). The cylinder (9) is connected to a compressed air source through the solenoid valve (11), and the blower (8) is connected to the mains power through the controller (10).

4. The tool cabinet welding production line according to claim 3, characterized in that: Two sensors (12) are provided on one side of the welding station (2) and distributed back and forth along the conveying direction of the conveyor (1). The sensors (12) are connected to the controller (10) and are fixed to the frame of the conveyor (1) through the connection.

5. The tool cabinet welding production line according to claim 4, characterized in that: The sensor (12) is an infrared distance sensor.

6. The tool cabinet welding production line according to claim 1, characterized in that: A flat guide tube (13) is provided at the air outlet (6).

Images