CN105817450B - A kind of wiping wire terminal automatic sweeping machine - Google Patents

Abstract

The invention discloses an automatic cleaning machine for trolley line joints, which is arranged on the track of a hanger of an automobile coating line, and trolley lines with trolley line joints are arranged on the side wall of the track, and the automatic cleaning machine for trolley line joints The utility model comprises a program-controlled driving trolley, which is slidably connected on a track, and is provided with a cleaning device capable of cleaning trolley line joints on the driving trolley. The driving trolley runs on the track, and the cleaning device can be used to regularly clean the trolley line joints, so that the cleaning work of the trolley line joints can be done manually instead of automatically by the driving trolley. Compared with the current method, it can not only greatly improve cleaning The work efficiency can be improved significantly, and the cleaning effect can be significantly improved, and personnel do not need to climb up to work, which greatly improves the safety of work.

Description

An automatic cleaning machine for trolley line joints

technical field

The invention relates to an auxiliary equipment for automobile hoisting lines, more specifically, it relates to an automatic cleaning machine for trolley line joints.

Background technique

The pre-painting process of cars in the current automobile production process generally uses self-propelled hoist conveying equipment. This equipment is equipped with an annular track with a length of several hundred meters at high altitude, and multiple self-propelled trolleys are installed on the track. , controlled by the PLC main control system. There are multiple brushes on each self-propelled trolley to slide and conduct electricity on the trolley line. Due to control requirements, the trolley line is divided into more than 100 fracture joints, and the brushes are constantly sliding and rubbing on the trolley line, so a large amount of brush dust is left on the trolley line and the track, and the brush dust is on the brush. Most of them are accumulated at the joints of the trolley lines and on the track under the movement. When the brush dust accumulates at the joints of the trolley lines to a certain amount, the dust of the brushes will turn into wires, so that there will be electric creepage between individual trolley line joints. Electricity phenomenon, due to the current generation of heating phenomenon, in severe cases, the trolley line joints will burn and catch fire, threatening production safety and causing large-scale equipment shutdown. Due to the above reasons, it is necessary to manually clean the trolley line dust during equipment maintenance. Existing implementation is mainly two kinds of vacuum cleaner dust suction and compressed air pipe blowing. The advantage of using a vacuum cleaner is that it can clean the floating dust on the surface without polluting the environment. The disadvantages are that it cannot be cleaned thoroughly, it is inconvenient to operate, it needs a long electric board line, the sliding contact line needs to be powered off, and the safety risk of working at heights is high; the advantages of using compressed air It can thoroughly clean all the dust, but the disadvantage is that dust will fly all over the sky during blowing, serious environmental pollution in the workshop, a compressed air source and a long air pipe are required, the trolley line needs to be powered off, and high-altitude operations have high safety risks. The method is currently carried out manually, and the cleaning time is long. If everything is cleaned, it will take two people a day. The utility model with the publication number CN202440628U disclosed an automatic itinerant cleaner on September 19, 2012, including a main body, a drive unit, a control unit, guide rails, a blowing and suction system, and a cotton cleaning system. and the air outlet chamber, the main body is slidably installed on the guide rail, the driving unit drives the main body to reciprocate on the guide rail, the driving unit is driven by a belt or a motor directly, and the blowing system is installed on both sides of the main body , the cotton cleaning system is fixedly installed on the end of the guide rail, the cotton cleaning system is connected to the fan, and the main body, the drive unit, the guide rail, the blowing suction system and the cotton cleaning system are connected to the control unit through PLC; the utility model is also present Compared with existing technologies, it has the following advantages: 1) high operational reliability, 2) cleaning solutions can be customized for customers, 3) easy to filter and clean, 4) low maintenance, 5) low energy consumption. However, the application field of this utility model is textile machinery, and the application environment of the automobile hoisting line is very different from that of textile machinery, so this technical solution is not applicable to the automobile hoisting line.

Contents of the invention

The existing automobile hoisting line track trolley line joints are difficult to clean, time-consuming, poor in effect, high in safety risks, and easy to pollute the environment. In order to overcome these defects, the present invention provides a labor-saving, efficient, and good cleaning effect. , Automatic cleaning machine for trolley line joints with good safety.

The technical solution of the present invention is: an automatic cleaning machine for trolley line joints, which is installed on the track of the automobile coating line hanger, and trolley line with trolley line joints are arranged on the side wall of the track, and the trolley line joints The automatic cleaning machine includes a program-controlled drive trolley, which is slidably connected to the track, and is equipped with a cleaning device that can clean the trolley line joints. Like other self-propelled devices on the track, the driving trolley runs on the track, and the cleaning device can regularly clean the trolley joints, so that the cleaning work of the trolley joints can be done manually instead of automatically by the driving trolley, which is different from the current method. In comparison, not only can the efficiency of cleaning be greatly improved, but also the cleaning effect can be significantly improved, and personnel do not need to climb to work, which greatly improves the safety of work.

Preferably, the bottom of the driving trolley is fixedly connected to the main beam of a small trolley, and a PLC electric control box is fixed on the main beam of the trolley, and the PLC electric control box is electrically connected to the driving trolley. The electrical control device used to control the movement of the driving trolley is installed in the PLC electric control box. The PLC electric control box is integrated with the driving trolley through the main beam of the trolley, and moves synchronously with the driving trolley to form a relatively closed and independent small system, which is convenient for driving the trolley. And the autonomous working function of the cleaning device. The PLC electric control box is connected to the driving trolley through the main beam of the trolley, and keeps a certain distance from the driving trolley, so that more space can be left near the driving trolley, which is convenient for installing cleaning power sources such as fans, so that the automatic cleaning machine for the sliding contact line joints It is easier to arrange the structural layout at design time.

As a preference, the trolley line joint automatic cleaning machine also includes a blowing blower, which is slidably connected to the track and synchronized with the driving trolley. The blowing blower is provided with a blowing pipe, and the cleaning device is an air broom. The blowing pipe is communicated with the air broom. When cleaning, the airflow provided by the blowing fan is output from the air broom, blowing up the dust and dirt on the trolley line joints, and cleaning the trolley line joints by blowing air can realize rapid cleaning of a large area with high cleaning efficiency.

Preferably, the trolley line joint automatic cleaning machine also includes a dust suction fan, which is synchronously slidably connected to the track and synchronized with the driving trolley. The mouth of the dust duct corresponds to the position of the track. The dust suction fan can suck away the cleaned dust and dirt in time and discharge them through the dust suction exhaust pipe, so as to prevent the dust and dirt from floating near the track and sticking to the trolley line to accumulate again or pollute the production workshop.

As an alternative, the cleaning device is a brush roller, and the brush roller is rotatably connected to the nozzle of the dust suction duct. The cross-flow wind blades are provided with axial brush fixing strips between the cross-flow wind blades, and plastic bristles are arranged on the brush fixing strips. Sometimes the dust and dirt on the trolley line adhere firmly, and it is still difficult to remove it by air blowing. The brush roller can directly contact and clean the dust and dirt, and the removal ability is stronger. The brush roller is arranged at the nozzle of the dust suction duct. When the air is sucked, the airflow at the nozzle impacts the cross-flow fan blades, drives the brush roller to rotate, and generates cleaning power.

Preferably, the dust suction exhaust pipe is connected to a dust storage water tank, and the dust storage water tank is provided with a water tank exhaust port. The dust storage tank is filled with water, and the dust and dirt raised during cleaning are immediately sucked away by the vacuum fan, and then pressed into the water tank through the exhaust pipe to mix with the water, and the air is discharged from the vent hole of the water tank. Water can effectively absorb dust, prevent dust from continuing to float and transfer, and achieve the purpose of efficient dust removal without polluting the environment.

Preferably, the driving trolley includes a car body and a traveling motor, the car body is fixedly connected on the main beam of the trolley, the traveling motor is fixed on the car body, and the output shaft of the traveling motor is connected with a driving wheel, and the driving wheel is rollingly connected to the top of the track. The driving motor drives the driving wheel to rotate, and then pushes the driving trolley to advance, realizing the sliding connection between the driving trolley and the track.

Preferably, at least two pairs of positioning rollers are rotatably connected to the car body, and the positioning rollers in each pair are in rolling contact with the inner and outer sides of the track respectively. The positioning rollers are symmetrically arranged on both sides of the track to clamp the track, so that the car body can receive the paired support force provided by the track in opposite directions, ensuring that the driving trolley can form a stable and reliable connection with the track.

As a preference, the automatic cleaning machine for trolley line joints also includes a collector trolley, which is slidably connected on the track and fixedly connected with the main beam of the trolley. The collector trolley is provided with a driven wheel, an encoder and a brush device, and the encoder The drive is connected with the driven wheel, and the collector trolley is electrically connected with the driving trolley and the PLC electric control box at the same time. When the brush device passes through the trolley line joint port, the instantaneous power-off signal generated is transmitted to the PLC, and the encoder sends the generated pulse data to the PLC through the rotation of the driven wheel, which is used to locate the position of the trolley line joint.

The beneficial effects of the present invention are:

Easy to use and high cleaning efficiency. The invention can automatically complete the cleaning of trolley line joints by the driving car left on the track, and can start working at any time according to needs, without long-term preparations for facility allocation and personnel scheduling in advance.

The security risk is small. After using the present invention, it is generally unnecessary to arrange personnel to carry out high-altitude operations, which greatly reduces the safety risks of operators.

reduce environmental pollution. The invention can remove the generated dust in time through the dust suction blower, so as to avoid the pollution of the production site.

Description of drawings

Fig. 1 is a kind of structural representation of the present invention;

Fig. 2 is a kind of front view of the present invention;

Fig. 3 is a rear view of the present invention;

Fig. 4 is a kind of structure explosion diagram of cleaning device among the present invention;

Fig. 5 is another kind of structural representation of cleaning device among the present invention;

Fig. 6 is a table for recording the parameters of the electrophoretic paint film generated by the tank solution after tank mixing in the present invention.

In the figure, 1-track, 2- trolley line, 3- trolley line connector, 4- collector trolley, 5- drive trolley, 6- travel motor, 7- driving wheel, 8- driven wheel, 9- brush Device, 10-Trolley main beam, 11-Connecting shaft, 12-PLC electric control box, 13-Installation bracket, 14-Dust storage tank, 15-Blowing fan, 16-Dust suction fan, 17-Air broom, 18- Blowing pipe, 19-dust suction pipe, 20-purge suction pipe, 21-dust suction exhaust pipe, 22-water tank exhaust port, 23-purge regulating valve, 24-car body, 25-lock screw , 26-Interface seat, 27-Encoder, 28-Encoder bracket, 29-Positioning roller, 30-Car body, 31-Brush roller, 32-Through-flow fan blade, 33-Brush fixing strip, 34-Plastic bristles.

Detailed ways

The present invention will be further described below in conjunction with the specific embodiments of the accompanying drawings.

Example 1:

As shown in Figures 1 to 5, an automatic cleaning machine for trolley line joints is set on the circular track 1 of the automobile coating line spreader, and the side wall of the track 1 is equipped with a sliding contact line joint 3 Line 2, the trolley line joint automatic cleaning machine includes a program-controlled drive trolley 5 and a collector trolley 4, and the drive trolley 5 is slidably connected to the track 1. The bottom of the driving trolley 5 is fixedly connected to the main beam 10 of the trolley through a connecting shaft 11, and a PLC electric control box 12 with PLC, frequency converter and other control devices is fixedly hung on the main beam 10 of the trolley, and the PLC electric control box 12 is connected with the driving trolley 5 electrical connections. Drive dolly 5 comprises car body 30 and traveling motor 6, and connecting shaft 11 is positioned on the car body 30, and traveling motor 6 is fixed on the car body 30, and driving wheel 7 is connected with driving wheel 7 on the driving motor 6 output shafts, and driving wheel 7 is rollingly connected to Track 1 top. Rotate on the car body 30 and connect four pairs of positioning rollers 29, four pairs of positioning rollers 29 are positioned at the front end top, the front bottom, the rear end top and the rear end bottom of the car body 30 respectively, and the positioning rollers 29 in every pair are connected with the track respectively. The inner and outer sides of 1 are in rolling contact. The driving trolley 5 is provided with a cleaning device capable of cleaning the trolley joint 3 . The collector trolley 4 is also slidably connected to the track 1 and is fixedly connected to the main beam 10 of the trolley through another connecting shaft 11. The connection mode between the collector trolley 4 and the track 1 is the same as that of the drive trolley 5, and also through the clamp of the positioning roller 29. tight to achieve. The collector trolley 4 is provided with a driven wheel 8, an encoder bracket 28, an encoder 27 and a brush device 9, the encoder 27 is installed on the encoder bracket 28 and is connected to the driven wheel 8, and the collector trolley 4 is simultaneously connected with the drive The dolly 5 and the PLC electric control box 12 are electrically connected. Also fixedly hang a mounting bracket 13 on the main girder 10 of the trolley, and a blowing fan 15 and a dust suction fan 16 are fixed on the mounting bracket 13, so that the blowing blower 15 and the dust suction fan 16 are also synchronously slidably connected with the drive dolly 5. On the track 1, the blowing fan 15 input end is equipped with a blowing suction pipe 20, and the output end of the blowing fan 15 is provided with a blowing pipe 18. The cleaning device is a pair of air brooms 17, and the air broom 17 is provided with The air inlet is used to connect the blowing pipe 18, so that the blowing pipe 18 is communicated with the air broom 17, and a blowing regulating valve 23 is installed between the blowing pipe 18 and the blowing fan 15, which is used for the matching adjustment of the blowing wind force of the two air brooms 17, The air broom 17 is fixed on a pair of machine bases 24 on both sides of the car body 30 by locking screws 25. By the tightness of the locking screws 25, the blowing angle of the air outlet of the air broom 17 to the trolley line can be adjusted and adjusted. Fixed, the air outlets of the two air brooms 17 are in a figure-of-eight shape opposite the sliding contact line, preventing the powder ash dirt that is cleaned from blowing to the outside. The dust suction fan 16 is provided with a dust suction duct 19 and a dust suction exhaust duct 21. The mouth of the dust suction duct 19 corresponds to the height of the track 1, so that the distance from the trolley line joint 3 is the closest, and it can be absorbed and cleaned with maximum efficiency. of dust and dirt. An interface seat 26 is fixed on the car body 30 for connecting the dust suction air duct 19, and the interface seat 26 forms a larger dust suction area. The dust suction exhaust pipe 21 is connected with a dust storage water tank 14, the dust storage water tank 14 is provided with a water tank exhaust port 22, the dust storage water tank 14 is filled with water, and the dust suction exhaust pipe 21 is inserted below the water surface. The automatic cleaning machine for trolley line joints cleans while walking under program control. The dust on trolley line 2 and trolley line joints 3 is lifted up after being blown by the blowing fan 15, and the raised dust passes through the dust suction wind The pipe 19 is immediately sucked away by the dust suction fan 16, and then pressed into the dust storage water tank 14 through the dust suction exhaust pipe 21 to mix in the water, and the air is discharged from the water tank exhaust port 22, so as to achieve the purpose of efficient dust removal without polluting the environment.

The working process of this trolley joint automatic cleaning machine is as follows:

1) The main PLC of the main control cabinet of the system completes the switching of the relevant track switches, and the local PLC in the PLC electric control box 12 on the cleaning machine executes the starting program and reversing program, and reverses from the inspection area to the start of track cleaning in the production area. position, the main control program of the system switches the relevant track switch back to the position, and starts the cleaning status program, so that other self-conveyors start to run in sequence, freeing up the cleaning area for the cleaning machine.

2) After reaching the initial position, the PLC of this machine executes the manual pre-selected cleaning program, and starts the dust suction fan 16 and the blowing fan 15;

3) After each fan is running, drive the trolley 5 to move forward quickly, and the cleaning starts. At the same time, the brush device 9 starts to detect, and the encoder 27 starts to send pulse signals to the PLC;

4) When the current collector trolley 4 at the front end detects that there is a trolley line joint 3, the program sets the position and saves the special cleaning position point, and receives the pulse signal of the encoder 27 to calculate the position distance. When the distance data is close to the distance between the collector trolley 4 and the driving trolley 5, the driving trolley 5 becomes moving forward at a slow speed;

5) When the air broom 17 of the driving trolley 5 enters the trolley joint 3 area of the special cleaning position, that is, when the distance data is equal to the distance between the collector trolley 4 and the driving trolley 5, the program executes the manual pre-selected cleaning procedure . At the same time, the procedure in step 4 is still being executed, because the distance between two trolley joints 3 is relatively close, and the distance between them is smaller than the distance between two trolleys, so the next joint will appear before the previous cleaning procedure is completed;

6) When the current cleaning program is completed, the current special cleaning position is reset. If there is a next joint, it will walk slowly to the designated position and then execute the 5 procedures. If not, the car will move forward quickly to find the next joint, and repeat;

7) After cleaning the track 1 for one week, the cleaning machine returns to the initial position, and stops the blower blower 15 and the suction blower 16 . The main control program of the system switches the relevant track switches;

8) After the cleaning machine walks to the maintenance area, the main control program of the system will switch the relevant track switch back to its position and stop.

Example 2:

As shown in Figure 6, six pairs of positioning rollers 29 are rotatably connected on the car body 30. The cleaning device is a brush roller 31, and the brush roller 31 is connected to the nozzle of the dust suction air duct 19 by rotating the shaft. The roller body of the roller is in the shape of a squirrel cage, and the periphery of the roller body is provided with a plurality of cross-flow fan blades 32 arranged in the axial direction, and axial brush fixing strips 33 are arranged between the cross-flow fan blades 32, and the brush fixing strips 33 are connected with the cross-flow fan blades 32 are distributed at intervals, and plastic bristles 34 with moderate hardness are arranged on the brush fixing bar 33 . All the other are with embodiment 1.

When working, the air flow of the dust suction duct 19 impacts the cross-flow fan blade 32, which generates a tangential thrust on the brush roller 31, so that the brush roller 31 rotates, and the plastic bristles 34 clean the dust on the trolley line joint 3. Periodic sweeping is carried out, and those dusts that adhere firmly on the trolley line joint 3 and are difficult to be blown by wind can also be removed.

Claims (7)

1. a kind of wiping wire terminal automatic sweeping machine, arranged on the track of automotive painting line suspender（1）On, track（1）Cloth on side wall Equipped with band wiping wire terminal（3）Trolley（2）, it is characterized in that including programmed driving trolley（5）And current-collecting cart （4）, drive trolley（5）It is slidably connected at track（1）On, drive trolley（5）Wiping wire terminal can be cleaned by being equipped with（3）Cleaning Device drives trolley（5）Bottom is connected a trolley girder（10）, trolley girder（10）On be installed with a PLC electric cabinets（12）, PLC electric cabinets（12）With driving trolley（5）Electrical connection, current-collecting cart（4）It is slidably connected at track（1）It is upper and with trolley girder （10）It is connected, current-collecting cart（4）It is equipped with driven wheel（8）, encoder（27）And brushgear（9）, encoder（27）With it is driven Wheel（8）It is sequentially connected, current-collecting cart（4）Simultaneously with driving trolley（5）And PLC electric cabinets（12）Electrical connection.

2. wiping wire terminal automatic sweeping machine according to claim 1, it is characterized in that further including purging motor（15）, purging Wind turbine（15）It is slidably connected at track（1）Above and with driving trolley（5）It is synchronous, purging motor（15）It is equipped with blower（18）, The clearing apparatus is air broom（17）, blower（18）With air broom（17）Connection.

3. wiping wire terminal automatic sweeping machine according to claim 1, it is characterized in that further including dust absorption fan（16）, dust suction Wind turbine（16）Synchronous slide is connected to track（1）Above and with driving trolley（5）It is synchronous, dust absorption fan（16）It is equipped with dust suction air hose （19）With dust suction exhaust duct（21）, dust suction air hose（19）Nozzle and track（1）Height and position corresponds to.

4. wiping wire terminal automatic sweeping machine according to claim 3, it is characterized in that the clearing apparatus is brush roll （17）, brush roll（17）It is rotatably connected on dust suction air hose（19）Nozzle, brush roll（17）Roll body in mouse cage shape, roll body periphery The through-flow fan blade axially set equipped with more, axial hairbrush fixed strip is equipped between through-flow fan blade, and hairbrush fixed strip is equipped with modeling Expect bristle.

5. wiping wire terminal automatic sweeping machine according to claim 3, it is characterized in that dust suction exhaust duct（21）With a dust Store water tank（14）It is connected, dust storage water tank（14）It is equipped with air outlet of water tank（22）.

6. wiping wire terminal automatic sweeping machine according to any one of claim 1 to 5, it is characterized in that driving trolley（5） Including car body（30）And movable motor（6）, car body（30）It is connected in trolley girder（10）On, movable motor（6）It is fixed on car body （30）On, movable motor（6）Be sequentially connected a driving wheel on output shaft（7）, driving wheel（7）Rolling is connected to track（1）Top.

7. wiping wire terminal automatic sweeping machine according to claim 6, it is characterized in that car body（30）Upper rotation connection is at least Two pairs of positioning rollers（29）, the positioning rollers per centering（29）Respectively with track（1）Inside and outside side be in rolling contact.