CN114963395A - Stable dust removal ventilation system of vehicle welding workshop - Google Patents

Stable dust removal ventilation system of vehicle welding workshop Download PDF

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Publication number
CN114963395A
CN114963395A CN202210691721.6A CN202210691721A CN114963395A CN 114963395 A CN114963395 A CN 114963395A CN 202210691721 A CN202210691721 A CN 202210691721A CN 114963395 A CN114963395 A CN 114963395A
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CN
China
Prior art keywords
automatic valve
flue
dust
sponge
ventilation system
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202210691721.6A
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Chinese (zh)
Inventor
陈梅燕
许洪珊
吴传都
龚金金
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chery and Wanda Guizhou Bus Co Ltd
Original Assignee
Chery and Wanda Guizhou Bus Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chery and Wanda Guizhou Bus Co Ltd filed Critical Chery and Wanda Guizhou Bus Co Ltd
Priority to CN202210691721.6A priority Critical patent/CN114963395A/en
Publication of CN114963395A publication Critical patent/CN114963395A/en
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • F24F8/108—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using dry filter elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
    • B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/003—Cleaning involving contact with foam
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/02—Cleaning by the force of jets or sprays
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00—Arrangements of devices for treating smoke or fumes
    • F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
    • F23J15/022—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow
    • F23J15/025—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow using filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00—Arrangements of devices for treating smoke or fumes
    • F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B5/00—Drying solid materials or objects by processes not involving the application of heat
    • F26B5/14—Drying solid materials or objects by processes not involving the application of heat by applying pressure, e.g. wringing; by brushing; by wiping
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
    • Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust

Abstract

The invention discloses a stable dust removal ventilation system for a vehicle welding workshop, which comprises a dust hood, a flue, a bag-type dust remover and a chimney, wherein the dust hood is fixed right above a welding station, the flue connects the dust hood with the inlet end of the bag-type dust remover, and the outlet end of the bag-type dust remover is connected with the chimney through an axial flow fan. According to the dust collection cover, welding smoke and dust in a welding workshop are sucked by the dust collection cover and then discharged into the bag-type dust collector through the flue for dust collection, and finally clean air is discharged, so that the health of workers is protected, and the pollution to the environment is avoided.

Description

Stable dust removal ventilation system of vehicle welding workshop
Technical Field
The invention relates to a stable dust removal ventilation system for a vehicle welding workshop, and belongs to the technical field of automobile processing.
Background
The biggest pollution produced in the passenger car welding workshop is welding smoke and dust, and improper treatment of the welding smoke and the dust can not only influence the health of staff, but also cause pollution to the environment.
Except welding fume and dust, can produce graininess welding slag at the in-process of welding, the welding slag splashes everywhere in the welded process, needs to be cleared up by the staff after the welding finishes, increases staff's work load.
In addition, the temperature of the welding fume is high, 60-80 ℃, and the direct discharge can cause adverse effect on the atmospheric environment.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the utility model provides a stable dust removal ventilation system in vehicle welding workshop to solve and weld cigarette and dust and handle improper not only can influence staff healthy, still can cause the problem of pollution to the environment.
The technical scheme adopted by the invention is as follows: the utility model provides a stable dust removal ventilation system in vehicle welding workshop, includes dust cage, flue, sack cleaner and chimney, the dust cage is fixed directly over the welding station, the flue will the dust cage with the entrance connection of sack cleaner, the exit end of sack cleaner passes through axial fan and is connected with the chimney.
Preferably, the drying device further comprises a drying mechanism, and the drying mechanism comprises sponge arranged inside the flue.
Preferably, the sponge is internally provided with a bent hole.
Preferably, the sponge is cuboid, and the cross section of the place where the flue is connected with the sponge is rectangular; the upper end and the lower end of the sponge are respectively fixed with a rectangular connecting block, and the connecting blocks penetrate through the upper side wall and the lower side wall of the flue and are connected with the flue in a sliding and sealing manner; the connecting block can move up and down under the driving of the first driving mechanism.
Preferably, the first driving mechanism is a first cylinder, a first telescopic arm is arranged on the first cylinder, and the sponge is fixed with the first telescopic arm.
Preferably, the cleaning device further comprises a cleaning mechanism, the cleaning mechanism comprises a fixing plate which is fixed on the flue and located on one side of the connecting block, a fixing box is fixed on the other side of the connecting block, one side of the fixing box, which is close to the connecting block, is provided with an opening, a pushing block is connected in the fixing box in a sliding and sealing mode, a first automatic valve is arranged on the pushing block, and the pushing block is driven by the second driving mechanism to slide in a left-right reciprocating mode; the side wall of the fixed box, far away from the connecting block, is provided with a one-way inlet valve and a one-way outlet valve, the one-way outlet valve is connected with an outlet pipe, and the other end of the outlet pipe extends to the end, close to the connecting block, of the fixed box.
Preferably, the one-way inlet valve is connected with a cleaning box, a water tank and air through an inlet pipe respectively, a second automatic valve is arranged between the cleaning box and the inlet pipe, a third automatic valve is arranged between the water tank and the inlet pipe, and a fourth automatic valve is arranged between the inlet pipe and the outside.
Preferably, be located on the flue the position that is close to the one end of connecting block on the fixed case is installed the contact switch, the contact of contact switch is hemispherical and vertical arranging down, the contact switch can be pressed to the gliding in-process of ejector pad level, the contact switch passes through the controller simultaneously with first automatic valve, second automatic valve, third automatic valve and fourth automatic valve electric connection.
Preferably, the number of the bag-type dust collectors is more than 2 and the bag-type dust collectors are connected in series.
Preferably, an automatic valve is arranged at one end of the dust collection cover connected with the flue; still include the control box, control box internally mounted has the controller, the automatic valve with controller electric connection, inside automatic valve switch and the axial fan switch of being provided with of switch board.
Preferably, the automatic valve is an automatic flap valve.
Preferably, the bag-type dust collector is mounted on the ground through a mounting frame.
Preferably, the number of the dust collection covers is more than 2 and the dust collection covers are connected in parallel with each other.
Preferably, a smoke sensor is arranged at the lower end of the dust collection cover and electrically connected with the automatic valve through the controller.
Preferably, a temperature sensor is arranged at the lower end of the dust collection cover and is electrically connected with the automatic valve through the controller.
Preferably, the device also comprises a condenser, wherein a gas outlet end of the bag-type dust collector is connected with a medium layer of the condenser, and an outlet end of the medium layer of the condenser is connected with the chimney; and a condensate layer of the condenser is connected with circulating water.
Preferably, the dust collector also comprises an electromagnet fixed at the lower end of the dust collection cover.
The invention has the beneficial effects that:
1. compared with the prior art, the dust hood provided by the invention has the advantages that welding smoke and dust in a welding workshop are sucked by the dust hood and then discharged into the bag-type dust collector through the flue for dust removal, and finally clean air is discharged, so that the health of staff is protected, and the pollution to the environment is avoided.
2. Compared with the prior art, the electromagnetic welding device has the advantages that granular welding slag splashed around in the welding process is adsorbed by the electromagnet, the electromagnet is powered off after welding is finished, the welding slag automatically drops, workers can intensively clean the welding slag, and the workload of the workers is reduced.
3. Compared with the prior art, the invention discharges the welding fume after cooling, and avoids the adverse effect of direct discharge on the atmospheric environment.
4. Particularly, compared with the prior art, the sponge is arranged in the flue in front of the cloth bag dust remover, the bent holes are formed in the sponge, and the smoke is dried by the sponge and then discharged into the cloth belt dust remover, so that the phenomenon that the cloth bag is wasted due to the fact that dust caused by moisture in the smoke is bonded on the inner side wall of the cloth belt is avoided, and the service life of the cloth bag dust remover is prolonged; and the sponge drying device is also provided with a drying mechanism to wring, clean and blow-dry the sponge, so that the sponge can be continuously recycled, and the drying effect of the sponge is ensured.
Drawings
FIG. 1 is a schematic view of the entire structure of embodiment 1;
fig. 2 is a schematic view of the entire structure of embodiment 2.
Fig. 3 is a schematic structural view of a drying mechanism in embodiment 3.
Detailed Description
The invention is further described with reference to the accompanying drawings and specific embodiments.
Example 1:
the utility model provides a stable dust removal ventilation system in vehicle welding workshop, as shown in figure 1, including dust cage 1, flue 3, sack cleaner 4, chimney 6 and control box 7, dust cage 1 is fixed directly over the welding station, the axis of dust cage 1 is arranged along vertical direction, dust cage 1 is welded by stainless steel skin, dust cage 1's appearance is the round platform form, sack cleaner 4 passes through mounting bracket 41 and installs the ground in the welding workshop outside, mounting bracket 41 is the stainless steel frame, flue 3 is with the upper end of dust cage 1 and sack cleaner 4's entrance connection, sack cleaner 4's exit end passes through axial fan 5 and is connected with chimney 6, chimney 6 is fixed subaerial outside the welding workshop. The flue 3 in this embodiment is a stainless steel corrugated pipe.
In this embodiment, the number of the bag-type dust collectors 4 is set to 3 and the bag-type dust collectors are connected in series, and the dust removal effect can be optimized by setting 3 bag-type dust collectors 4.
In the present embodiment, the number of dust collection covers 1 is set to be plural as required and connected in parallel with each other.
In order to optimize the dust removal effect, an automatic valve 2 is arranged at one end of the dust collection cover 1 connected with the flue 3, and the automatic valve 2 is an automatic flap valve; still including fixing control box 7 on the welding shop wall in this embodiment, 7 internally mounted of control box have the controller, and inside automatically-controlled valve switch and the axial fan switch of being provided with of control cabinet, automatically-controlled valve switch and axial fan switch are respectively through controller and automatically-controlled valve 2, 5 electric connection of axial fan.
The specific implementation process is as follows: when the welding workshop starts working, the axial flow fan switch is pressed down, the axial flow fan 5 starts to draw air, all flues 3 start to draw air at the moment, when parts need to be welded, welding materials are conveyed to a workbench close to the lower part of the dust hood 1, the automatic valve switch corresponding to the dust hood 1 is opened, the automatic valve 2 is opened at the moment, and welding smoke and dust below the dust hood 1 can be sucked by the dust hood 1. Welding smoke and dust generated in the welding process enter the bag-type dust collector 4 through the flue 3 to be uniformly subjected to dust removal treatment, and clean air is discharged from the chimney 6; after the welding work is finished, the automatic valve switch is closed, the automatic valve 2 is closed at the moment, the corresponding dust hood 1 stops working, and meanwhile, the effect of preventing smoke dust from flowing back can be achieved. By analogy, one or more dust collection hoods 1 are selected to work simultaneously according to actual requirements, and different dust collection hoods 1 can be used by multiple persons during simultaneous welding without mutual interference, so that the welding dust removal work is facilitated.
Example 2:
example 2 differs from example 1 in that: as shown in fig. 2, a smoke sensor 11 is mounted on the lower end of the dust collection cover 1, and the smoke sensor 11 is electrically connected to the automatic valve 2 through a controller. The lower end of the dust collection cover 1 is also provided with a temperature sensor 12, and the temperature sensor 12 is electrically connected with the automatic valve 2 through a controller. An electromagnet 13 is fixed at the lower end of the dust collection cover 1, the electromagnet 13 is electrically connected with a temperature sensor 12 and a smoke sensor 11 through a controller respectively, when the smoke sensor 11 detects smoke or the temperature sensor 12 detects that the temperature is more than 40 ℃, the smoke sensor 11 or the temperature sensor 12 controls the automatic valve 2 to be opened through the controller, meanwhile, the electromagnet 13 is electrified, and the electromagnet 13 can absorb welding slag splashed in the welding process; after the welding is finished, when smoke sensor 11 no longer detects smoke or temperature sensor 12 detects that the temperature is more than 25 ℃, smoke sensor 11 or temperature sensor 12 control automatic valve 2 through the controller and close, and electromagnet 13 cuts off the power supply simultaneously, and the welding slag that is adsorbed by electromagnet 13 drops subaerial automatically, makes things convenient for the concentrated clearance of welding slag.
As shown in fig. 2, the present embodiment further includes a condenser 8, a gas outlet end of the bag-type dust collector 4 is connected to a medium layer of the condenser 8, and an outlet end of the medium layer is connected to the chimney 6; the entrance point of the condensate layer of condenser 8 is connected with cooling tower 9 through pipeline, water pump 91, and water pump 91 is connected with the bottom of cooling tower 9, and the water of the exit end of the condensate layer of condenser 8 directly drains to cooling tower 9 top. The flue gas is cooled by circulating water and then discharged into the atmosphere, so that the environment is protected. And a water cooling tower 9 is arranged to realize the rapid cooling of the circulating water.
Example 2 compared to example 1, the benefits are: the automatic valve 2 and the electromagnet 13 do not need to be manually switched on and off, a worker can directly start welding, and the worker can directly walk away after the welding is finished.
Example 3
Because the moisture dust can directly adsorb to the sack after getting into the sack, after more moisture dust adhesion together, the pulse jetting of sack cleaner 4 just can't blow the moisture dust of adhesion on the sack, and the time is long, and whole sack just has abandoned, nevertheless changes a batch of sack and also needs higher cost.
Thus, example 3 differs from example 1 in that: as shown in fig. 3, the drying device further comprises a drying mechanism, the drying mechanism comprises a sponge 320 arranged inside the flue 3, the sponge 320 is arranged along the vertical direction, a bent hole 321 arranged along the horizontal direction is arranged inside the sponge 320, the bent hole 321 is arranged for facilitating the sponge 320 to dry the welding fume but allowing dust to pass through, the sponge 320 is rectangular, and the cross section of the connecting part of the flue 3 and the sponge 320 is rectangular; the upper end and the lower end of the sponge 320 are respectively fixed with a rectangular connecting block 322, and the connecting blocks 322 penetrate through the upper side wall and the lower side wall of the flue 3 and are connected with the flue 3 in a sliding and sealing manner; a first cylinder 324 is arranged above the upper connecting block 322, the first cylinder 324 is fixed with the flue 3, the axis of the first cylinder 324 is arranged along the vertical direction, a first telescopic arm 322 is arranged at the lower end of the first cylinder 324, and the upper connecting block 322 is fixed at the lower end of the first telescopic arm 322; similarly, another first cylinder 324 is arranged below the lower connecting block 322, and the lower connecting block 322 is fixed at the upper end of the first telescopic arm 322 of another first cylinder 324; when the sponge 320 needs to be cleaned, the first telescopic arm 322 of the first cylinder 324 at the lower part is contracted, and simultaneously the first telescopic arm 322 of the first cylinder 324 at the upper part is synchronously extended, so that the two first cylinders 324 are matched to drive the sponge 320 to move downwards to the lower part of the flue 3, and the sponge 320 can be wrung and cleaned and dried. Similarly, after the sponge 320 is wrung out and cleaned and dried, the sponge 320 can be repositioned by the cooperation of the two first cylinders 324.
In order to implement the sponge 320 to be wrung and cleaned and dried, as shown in fig. 3, the embodiment further includes a cleaning mechanism, the cleaning mechanism includes a fixing plate 31 fixed on the flue 3 and located on the right side of the connecting block 322 below, a fixing box 340 is fixed on the left side of the connecting block 322 below, the right side of the fixing box 340 is open, the section of the fixing box 340 in the vertical direction is rectangular, a pushing block 343 is connected in the fixing box 340 in a sliding and sealing manner, the size of the cross section of the pushing block 343 in the vertical direction is consistent with that of the sponge 320, a first automatic valve 344 capable of communicating the left end and the right end of the pushing block 343 is arranged on the pushing block 343, a second cylinder 330 is fixed on the fixing box 340, a second telescopic arm 331 is arranged at the right end of the second cylinder 330, the second telescopic arm 331 penetrates through the left side wall of the fixing box 340 and is connected with the left side wall of the fixing box 340 in a sliding and sealing manner, the right end of the first telescopic arm 322 is fixed with the pushing block 343, so that the push block 343 is driven by the second driving mechanism to slide back and forth left and right; the left side wall of the fixed box 340 is provided with a one-way inlet valve 341 and a one-way outlet valve 342, the one-way outlet valve 342 is connected with an outlet pipe, the other end of the outlet pipe extends to the right end of the fixed box 340, and the outlet pipe is positioned at the upper end of the fixed box 340. The second cylinder 330 is an adjustable stroke cylinder.
The one-way inlet valve 341 is connected with a cleaning tank 350, a water tank 351 and air through an inlet pipe 355 respectively, a second automatic valve 352 is arranged between the cleaning tank 350 and the inlet pipe 355, a third automatic valve 353 is arranged between the water tank 351 and the inlet pipe 355, and a fourth automatic valve 354 is arranged between the inlet pipe 355 and the outside; a contact switch 360 is installed at the upper right end of the fixed box 340 on the flue 3, the contacts of the contact switch 360 are hemispherical and are arranged vertically downwards, the contact switch 360 can be pressed by the push block 343 in the horizontal sliding process, and the contact switch 360 is electrically connected with the first automatic valve 344, the second automatic valve 352, the third automatic valve 353, the fourth automatic valve 354 and the second cylinder 330 through the controller.
In the initial state, the first automatic valve 344 is opened, the second automatic valve 352, the third automatic valve 353, and the fourth automatic valve 354 are closed, and the push block 343 is located at the limit position on the left side, the maximum position at which the second telescopic arm 331 of the second cylinder 330 can move rightward is the distance from the right end surface of the push block 343 to the fixed plate 311cm, the position of the push block 343 when the right end surface of the push block 343 is the distance from the fixed plate 311cm is defined as the first position, and the stroke of the second cylinder 330 at this time is defined as the long stroke.
After the sponge 320 is positioned below the flue 3 by the first cylinder 324, the second cylinder 330 is activated. The method specifically comprises the following steps:
(1) the second cylinder 330 extends and retracts for the first time: long stroke, which acts to wring out the sponge 320.
The second telescopic arm 331 of the second cylinder 330 drives the push block 343 to slide to the right to a first position, the push block 343 presses the sponge 320 to squeeze water in the sponge 320, in the process, the push block 343 can be pressed to the contact switch 360 for the first time and moves to the right side of the contact switch 360 across the contact switch 360, and the contact switch 360 controls the first automatic valve 344, the second automatic valve 352, the third automatic valve 353 and the fourth automatic valve 354 to close and stop acting through the controller;
when the push block 343 reaches the first position, the controller controls the second telescopic arm 331 to contract to drive the push block 343 to reset to the left, and in this process, the push switch is pressed down by the push block 343, and the contact switch 360 controls the first automatic valve 344, the second automatic valve 352, the third automatic valve 353 and the fourth automatic valve 354 to close and be inactive through the controller, so that the stroke of the second cylinder 330 is not changed.
(2) The second cylinder 330 extends and retracts for the second time: the stroke becomes short and the inlet end of the switching one-way inlet valve 341 communicates with the inside of the cleaning tank 350.
In the process of extending the second telescopic arm 331 for the second time, after the push block 343 reaches the first position, the controller controls the second telescopic arm 331 to contract to drive the push block 343 to reset to the left, in this process, the push switch is pressed by the push block 343, the contact switch 360 controls the first automatic valve 344 to close, the second automatic valve 352 to open, the third automatic valve 353 and the fourth automatic valve 354 to keep closed through the controller, meanwhile, the maximum position where the second telescopic arm 331 can move to the right is switched to the position where the push block 343 just presses the push switch, and the position of the push block 343 when the push block 343 just presses the push switch is defined as the second position, that is, the stroke of the second cylinder 330 is shortened.
(3) The second cylinder 330 expands and contracts for the third time: the detergent spray, stroke, first automatic valve 344, second automatic valve 352, third automatic valve 353, and fourth automatic valve 354 are restored to the initial state.
The second telescopic arm 331 moves rightwards again until the push switch is pressed, in the process, negative pressure is generated inside the fixed box 340, the one-way inlet valve 341 is opened, the fixed box 340 sucks the detergent inside the cleaning box 350, when the push block 343 presses the contact switch 360 again, the contact switch 360 controls the first automatic valve 344 to be closed, the second automatic valve 352 to be closed, the third automatic valve 353 to be opened, the fourth automatic valve 354 to be closed through the controller, the second telescopic arm 331 contracts for the third time to drive the push block 343 to reset leftwards, in the process, positive pressure is generated inside the fixed box 340, the one-way inlet valve 341 is closed, the one-way outlet valve 342 is opened, and the detergent inside the fixed box 340 is discharged onto the sponge 320 through the one-way outlet valve 342 and the outlet pipe; at the same time, the contact switch 360 closes the first automatic valve 344, the second automatic valve 352, the third automatic valve 353, and the fourth automatic valve 354 again by the controller to return to the initial state, and the stroke of the second cylinder 330 returns to the initial state.
(4) The second cylinder 330 extends and retracts for 4-13 times: with a long stroke, the sponge 320 is rubbed by the push block 343.
Similarly, repeating the step (1) for 10 times, and sufficiently kneading the foam into the sponge 320 to clean the sponge 320.
(5) When the second cylinder 330 extends for 14 th time: long stroke, which acts to wring out the sponge 320.
(6) Second cylinder 330 extends and retracts 15 th time: the stroke becomes short and the inlet end of the switching one-way inlet valve 341 communicates with the inside of the water tank 351.
(7) Second cylinder 330 extends and retracts for 16 th time: the initial state is restored by water injection, short stroke, opening of the first automatic valve 344, closing of the second automatic valve 352, the third automatic valve 353, and the fourth automatic valve 354.
(8) When the second telescopic arm 331 extends for the 17 th time: long stroke, which acts to wring out the sponge 320.
(9) Second cylinder 330 extends and retracts 18 th time: the stroke becomes short and the inlet end of the switching one-way inlet valve 341 communicates with the inside of the water tank 351.
(10) Second cylinder 330 extends and retracts 19 th time: the water is sprayed, the stroke, the first automatic valve 344 is opened, the second automatic valve 352, the third automatic valve 353 and the fourth automatic valve 354 are closed, and the initial state is restored;
the second cylinder 330 has the effect of stretching 14-19 times to rinse the sponge 320 twice.
(11) Second cylinder 330 extension 20: long stroke, which acts to wring out the sponge 320.
(12) Second cylinder 330 extends and retracts for 21 st time: the stroke becomes shorter and the inlet end of the one-way inlet valve 341 is switched to communicate with the air.
(13) The second cylinder 330 extends and retracts for 22 times: blowing, short stroke, first automatic valve 344 open, second automatic valve 352, third automatic valve 353 and fourth automatic valve 354 closed to restore the initial state;
and (5) repeating the steps (11) to (13) to blow the sponge 320, and then resetting the sponge 320 by using the first air cylinder 324.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of changes or substitutions within the technical scope of the present invention, and therefore, the scope of the present invention should be determined by the scope of the claims.

Claims (8)

1. The utility model provides a stable dust removal ventilation system in vehicle welding shop which characterized in that: the dust collection device comprises a dust collection cover (1), a flue (3), a bag-type dust collector (4) and a chimney (6), wherein the dust collection cover (1) is fixed right above a welding station, the flue (3) connects the dust collection cover (1) with the inlet end of the bag-type dust collector (4), and the outlet end of the bag-type dust collector (4) is connected with the chimney (6) through an axial flow fan (5).
2. The vehicle welding shop stabilizing dust removal ventilation system according to claim 1, characterized in that: still include dry mechanism, dry mechanism is including setting up sponge (320) inside flue (3).
3. The vehicle welding shop stabilizing dust removal ventilation system according to claim 1, characterized in that: the sponge (320) is internally provided with a bent hole (321).
4. The vehicle welding shop stabilizing dust removal ventilation system according to claim 2, characterized in that: the sponge (320) is cuboid, and the cross section of the connection part of the flue (3) and the sponge (320) is rectangular; the upper end and the lower end of the sponge (320) are respectively fixed with a rectangular connecting block (322), and the connecting blocks (322) penetrate through the upper side wall and the lower side wall of the flue (3) and are connected with the flue (3) in a sliding and sealing manner; the connecting block (322) can move up and down under the driving of the first driving mechanism.
5. The vehicle welding shop stabilizing dust removal ventilation system according to claim 4, characterized in that: the first driving mechanism is a first air cylinder (324), a first telescopic arm (322) is arranged on the first air cylinder (324), and the sponge (320) is fixed with the first telescopic arm (322).
6. The vehicle welding shop stabilizing dust removal ventilation system according to claim 5, characterized in that: the cleaning device comprises a fixing plate (31) fixed on the flue (3) and located on one side of the connecting block (322), a fixing box (340) is fixed on the other side of the connecting block (322), an opening is formed in one side, close to the connecting block (322), of the fixing box (340), a push block (343) is connected inside the fixing box (340) in a sliding and sealing mode, a first automatic valve (344) is arranged on the push block (343), and the push block (343) slides in a left-right reciprocating mode under the driving of a second driving mechanism; the side wall of the fixed box (340) far away from the connecting block (322) is provided with a one-way inlet valve (341) and a one-way outlet valve (342), the one-way outlet valve (342) is connected with an outlet pipe, and the other end of the outlet pipe extends to one end of the fixed box (340) close to the connecting block (322).
7. The vehicle welding shop stabilizing dust removal ventilation system according to claim 6, characterized in that: the one-way inlet valve (341) is connected with a cleaning box (350), a water tank (351) and air through an inlet pipe (355), a second automatic valve (352) is arranged between the cleaning box (350) and the inlet pipe (355), a third automatic valve (353) is arranged between the water tank (351) and the inlet pipe (355), and a fourth automatic valve (354) is arranged between the inlet pipe (355) and the outside.
8. The vehicle welding shop stabilizing dust removal ventilation system according to claim 6, characterized in that: the device is characterized in that a contact switch (360) is installed at a position, close to one end of a connecting block (322), on the flue (3), of the fixed box (340), a contact of the contact switch (360) is hemispherical and is arranged vertically downwards, the contact switch (360) can be pressed in the horizontal sliding process of the push block (343), and the contact switch (360) is simultaneously electrically connected with the first automatic valve (344), the second automatic valve (352), the third automatic valve (353) and the fourth automatic valve (354) through a controller.
CN202210691721.6A 2022-06-17 2022-06-17 Stable dust removal ventilation system of vehicle welding workshop Pending CN114963395A (en)

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CN202210691721.6A CN114963395A (en) 2022-06-17 2022-06-17 Stable dust removal ventilation system of vehicle welding workshop

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Application Number Priority Date Filing Date Title
CN202210691721.6A CN114963395A (en) 2022-06-17 2022-06-17 Stable dust removal ventilation system of vehicle welding workshop

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Citations (4)

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CN207722549U (en) * 2017-12-20 2018-08-14 江西中藻生物科技股份有限公司 A kind of spirulina dust collecting
CN211160972U (en) * 2019-09-18 2020-08-04 陈洁 Medical care sponge cleaning machine
CN211725047U (en) * 2019-12-31 2020-10-23 苏州启能新型建材科技有限公司 Bag-type dust-removing and ash-removing device for processing sand and stone
CN218001753U (en) * 2022-06-17 2022-12-09 奇瑞万达贵州客车股份有限公司 Dust removal ventilation system for vehicle welding workshop

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Publication number Priority date Publication date Assignee Title
CN207722549U (en) * 2017-12-20 2018-08-14 江西中藻生物科技股份有限公司 A kind of spirulina dust collecting
CN211160972U (en) * 2019-09-18 2020-08-04 陈洁 Medical care sponge cleaning machine
CN211725047U (en) * 2019-12-31 2020-10-23 苏州启能新型建材科技有限公司 Bag-type dust-removing and ash-removing device for processing sand and stone
CN218001753U (en) * 2022-06-17 2022-12-09 奇瑞万达贵州客车股份有限公司 Dust removal ventilation system for vehicle welding workshop

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