CN112139107B - Silk screen washs drying device - Google Patents
Silk screen washs drying device Download PDFInfo
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- CN112139107B CN112139107B CN202010748193.4A CN202010748193A CN112139107B CN 112139107 B CN112139107 B CN 112139107B CN 202010748193 A CN202010748193 A CN 202010748193A CN 112139107 B CN112139107 B CN 112139107B
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- air
- air knife
- cleaning
- pressure water
- pipeline
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- 238000001035 drying Methods 0.000 title claims abstract description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 141
- 238000004140 cleaning Methods 0.000 claims abstract description 117
- 239000007788 liquid Substances 0.000 claims abstract description 38
- 239000012530 fluid Substances 0.000 claims description 4
- 230000035699 permeability Effects 0.000 abstract description 5
- 239000003344 environmental pollutant Substances 0.000 description 9
- 231100000719 pollutant Toxicity 0.000 description 9
- 239000011148 porous material Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 238000007789 sealing Methods 0.000 description 5
- 239000007921 spray Substances 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 230000003749 cleanliness Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000010926 purge Methods 0.000 description 2
- 238000010146 3D printing Methods 0.000 description 1
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 210000000567 greater sac Anatomy 0.000 description 1
- 238000007648 laser printing Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
- B08B3/022—Cleaning travelling work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
- B08B5/023—Cleaning travelling work
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B2203/00—Details of cleaning machines or methods involving the use or presence of liquid or steam
- B08B2203/02—Details of machines or methods for cleaning by the force of jets or sprays
- B08B2203/0264—Splash guards
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cleaning In General (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
A silk screen cleaning and drying device comprises a cleaning head, a cleaning and drying air knife and a water tank. The water tank is positioned right below the cleaning and drying air knife; the cleaning head chassis comprises a chassis body, a high-pressure water interface, a high-pressure water channel pipeline and a high-pressure water nozzle; the chassis body is provided with a window, the cavity is communicated with the outside through the window, the inner wall of the window is provided with an opening, one end of a high-pressure water channel pipeline is connected with a high-pressure water interface positioned on the outer surface of the bottom plate body, the other end of the high-pressure water channel pipeline is communicated with the opening of the inner wall of the window, and a high-pressure water nozzle is arranged at the opening and is communicated with the high-pressure water channel pipeline; the first group of air knives of the cleaning and drying air knives comprises a first annular air knife, a second annular air knife and a cleaning liquid nozzle, wherein the first annular air knife is surrounded by the second annular air knife, and the cleaning liquid nozzle is surrounded by the first annular air knife. The application can reduce the loss of cleaning liquid, improve the cleaning efficiency of the dry net, improve the air permeability of the dry net and prolong the service life of the dry net.
Description
Technical Field
The application relates to the technical field of equipment cleaning, in particular to a silk screen cleaning and drying device.
Background
The silk screen is applied to many technical fields including product production, fishing, airing and the like, and a large amount of pollutants can be adsorbed after the silk screen is used for a long time, so that the silk screen needs to be cleaned. For example, the dry net used in the paper making process mainly plays roles of water permeation shaping and the like of paper, so that the surface cleaning and air permeability of the dry net should be ensured in the use process, paper pulp fibers and fine particles are easy to adhere in the use process of the dry net to cause pollution, and if the adhesion substances are not removed, the air permeability and cleanliness of the paper are seriously affected, and the water permeability and cleanliness of the paper are further affected, so that the quality of the paper is seriously affected.
The cleaning of the dry net is generally realized by adopting high-pressure water flow sprayed by a high-pressure water gun, the dry net moves below the high-pressure water gun, and the water gun washes the adhesive on the dry net to achieve the cleaning effect.
On the one hand, the high-pressure water cleaned silk screen still possibly has residual part of adhesion matters (pollutants), and needs to be further cleaned, or the adhesion matters are carried to other areas of the silk screen by the reflection of the high-pressure water, and in addition, the high-pressure water cleaned silk screen adsorbs a large amount of moisture, and also needs to be quickly dried, so that the high-pressure water is quickly put into the working process of the next stage.
Especially, the cleaning of silk screen in the motion process often is through the roller drive, and this requires the roller to be polluted by the silk screen, comparatively reasonable mode when cleaning in roller department, but high-pressure water sprays the roller on, can form the reflection, leads to a large amount of water to splash, and the pollutant that the carrier was washed down disperses other areas of silk screen, leads to secondary pollution, further pollutes the product in subsequent production process.
Disclosure of Invention
The application provides a silk screen cleaning and drying device which aims to overcome the defects in the prior art.
In order to solve the technical problems, the technical scheme provided by the application is as follows:
the application provides a silk screen cleaning and drying device which comprises a cleaning head, a cleaning and drying air knife and a water tank. The water tank comprises a tank body, and the tank body is positioned right below the cleaning and drying air knife.
Wherein the cleaning head comprises a cavity, a wall surrounding the cavity and a chassis; the chassis comprises a chassis body, a high-pressure water interface, a high-pressure water waterway pipeline and a high-pressure water nozzle; the chassis body is provided with a window, the cavity is communicated with the outside through the window, the inner wall of the window is provided with an opening, one end of a high-pressure water channel pipeline is connected with a high-pressure water interface positioned on the outer surface of the bottom plate body, the other end of the high-pressure water channel pipeline is communicated with the opening of the inner wall of the window, and a high-pressure water nozzle is arranged at the opening and is communicated with the high-pressure water channel pipeline; wherein the wall is a cylindrical wall, and the chassis is buckled below the cylindrical wall.
The cleaning and drying air knife comprises a main body, wherein the main body is provided with a first group of air knives, the first group of air knives comprise a first annular air knife, a second annular air knife and a cleaning liquid nozzle, the first annular air knife is surrounded by the second annular air knife, and the cleaning liquid nozzle is surrounded by the first annular air knife.
Preferably, the cleaning liquid nozzle may be one or more.
Preferably, the first annular air knife comprises a first air outlet, the second annular air knife comprises a second air outlet, and the first air outlet and the second air outlet are positioned on the surface of the main body, wherein the first air outlet and the second air outlet can be annular or are formed by annularly arranging a plurality of air outlets; and the first air outlet is surrounded by the second air outlet; the cleaning liquid nozzle is surrounded by the first gas outlet.
The first air outlet and the second air outlet can share one air source or are respectively and independently connected with one air source.
Preferably, a gas channel for connecting the first gas outlet and the second gas outlet with a gas source is arranged in the main body, and preferably, the first gas outlet and the second gas outlet can be a shared gas channel or are respectively and independently connected with one gas channel.
Preferably, the first annular air knife comprises a first air channel and a first air outlet, the first air outlet is positioned on the surface of the main body, and the first air channel passes through the main body to be communicated with the first air outlet; the second annular air knife comprises a second air channel and a second air outlet, the second air outlet is positioned on the surface of the main body, and the second air channel penetrates through the main body and is communicated with the second air outlet; the cleaning liquid nozzle is surrounded by a first gas outlet, which is surrounded by a second gas outlet.
Preferably, a cleaning liquid pipeline is arranged in the main body, and the cleaning liquid pipeline is communicated with the cleaning liquid nozzle after penetrating through the main body.
Preferably, be equipped with admission line, first exhaust duct, second exhaust duct in the main part, admission line intercommunication first exhaust duct, second exhaust duct, first exhaust duct, second exhaust duct annular set up inside the main part to first gas outlet intercommunication first exhaust duct, second gas outlet intercommunication second exhaust duct.
Preferably, a first air inlet pipeline, a second air inlet pipeline, a first air outlet pipeline and a second air outlet pipeline are arranged in the main body, the first air inlet pipeline is communicated with the first air outlet pipeline, the second air inlet pipeline is communicated with the second air outlet pipeline, the first air outlet pipeline and the second air outlet pipeline are annularly arranged in the main body, and the first air outlet pipeline is communicated with the first air outlet pipeline, and the second air outlet pipeline is communicated with the second air outlet pipeline.
More preferably, the first exhaust duct is surrounded by the second exhaust duct.
More preferably, the first air intake duct is surrounded by the second air intake duct.
More preferably, the wash liquid conduit is surrounded by the first exhaust conduit and/or by the first inlet conduit.
More preferably, the first gas outlet and the second gas outlet are arranged in concentric circles, and still more preferably, the cleaning liquid nozzle is located at the center of the concentric circles.
More preferably, the first exhaust duct and the second exhaust duct are arranged in concentric circles, and still more preferably, the cleaning liquid duct is located at the center of the concentric circles.
More preferably, the first air inlet pipeline and the second air inlet pipeline are arranged in concentric circles, and still more preferably, the cleaning liquid pipeline is positioned at the center of the concentric circles.
In a preferred embodiment, a second set of air knives is further provided in the main body, the second set of air knives being located downstream of the first set of air knives, wherein the second set of air knives comprises a third air knife and a fourth air knife, wherein the fourth air knife is an annular air knife, and the third air knife is surrounded by the fourth air knife.
Preferably, the third air knife comprises a third air channel and a third air outlet, the third air outlet is positioned on the surface of the main body, and the third air channel passes through the main body and is communicated with the third air outlet; the fourth air knife comprises a fourth air channel and a fourth air outlet, the fourth air outlet is positioned on the surface of the main body, and the fourth air channel penetrates through the main body and is communicated with the fourth air outlet.
Preferably, a third exhaust pipeline and a fourth exhaust pipeline are arranged in the main body, the air inlet pipeline is communicated with the third exhaust pipeline and the fourth exhaust pipeline, the third exhaust pipeline and the fourth exhaust pipeline are annularly arranged in the main body, the third air outlet is communicated with the third exhaust pipeline, and the fourth air outlet is communicated with the fourth exhaust pipeline.
Preferably, a third air inlet pipeline, a fourth air inlet pipeline, a third air outlet pipeline and a fourth air outlet pipeline are arranged in the main body, the third air inlet pipeline is communicated with the third air outlet pipeline, the fourth air inlet pipeline is communicated with the fourth air outlet pipeline, the third air outlet pipeline and the fourth air outlet pipeline are annularly arranged in the main body, and the third air outlet pipeline is communicated with the third air outlet pipeline, and the fourth air outlet pipeline is communicated with the fourth air outlet pipeline.
More preferably, the third exhaust duct is surrounded by the fourth exhaust duct.
More preferably, the third air intake duct is surrounded by the fourth air intake duct.
More preferably, the third gas outlet and the fourth gas outlet are arranged in concentric circles.
More preferably, the third exhaust duct and the fourth exhaust duct are arranged in concentric circles.
More preferably, the third air inlet pipe and the fourth air inlet pipe are arranged in concentric circles.
More preferably, any two or more of the first air intake duct, the second air intake duct, the third air intake duct, and the fourth air intake duct may be in communication with each other or not.
More preferably, any two or more of the first exhaust duct, the second exhaust duct, the third exhaust duct, and the fourth exhaust duct may be in communication with each other or not.
More preferably, the duct inner diameter of any two or more of the first air intake duct, the second air intake duct, the third air intake duct, and the fourth air intake duct may be the same or different.
More preferably, any two or more of the first exhaust duct, the second exhaust duct, the third exhaust duct, and the fourth exhaust duct may have the same or different inner diameters.
Preferably, the air inlet duct communicates with a duct for supplying compressed air outside the main body, the pressure of the supplied compressed air being in the range of 6-10bar.
Preferably, the cleaning liquid conduit communicates with a conduit for supplying high pressure water at the outside of the main body, the pressure of the supplied high pressure water being in the range of 150-200bar.
Preferably, the first exhaust pipeline, the second exhaust pipeline, the third exhaust pipeline and the fourth exhaust pipeline are annular pipelines which are communicated in a head-tail closed mode, exhaust holes are formed in the surfaces of the first exhaust pipeline, the second exhaust pipeline, the third exhaust pipeline and the fourth exhaust pipeline at equal distances, and the exhaust holes are communicated with the air outlet.
Preferably, a third group of air knives is further arranged in the main body, the third group of air knives is located at the downstream of the second group of air knives, and the third group of air knives comprises a fifth air knife, wherein the fifth air knife can be a straight line, a cross, a # shape, a polygon, an annular air knife, and is preferably a straight line air knife.
Preferably, the included angle b between the central connecting line of the first group of air knives and the second group of air knives and the straight-shaped fifth air knives is 0<b-90 degrees, more preferably 10-90 degrees, more preferably 30-90 degrees, more preferably 45-90 degrees, more preferably 60-90 degrees, more preferably 90 degrees.
Preferably, the fifth air knife comprises a fifth air channel and a fifth air outlet, the third air outlet is positioned on the surface of the main body, and the fifth air channel passes through the main body and is communicated with the fifth air outlet.
Preferably, a fifth exhaust pipeline is arranged in the main body, and the fifth exhaust pipeline is a straight pipeline with closed ends.
Preferably, a fifth air inlet pipeline is arranged in the main body, and the fifth air inlet pipeline is communicated with a fifth exhaust pipeline.
Preferably, the surface of the fifth exhaust pipeline is provided with exhaust holes at equal intervals, and the exhaust holes are communicated with the air outlet.
Preferably, the internal air pressures of the first exhaust duct, the second exhaust duct, the third exhaust duct, the fourth exhaust duct, and the fifth exhaust duct are the same.
More preferably, the internal pressures of the first exhaust pipe, the second exhaust pipe, the third exhaust pipe and the fourth exhaust pipe are the same, the gas flow in the first exhaust pipe is larger than the gas flow in the second exhaust pipe, and the gas flow in the third exhaust pipe is larger than the gas flow in the fourth exhaust pipe.
In a preferred embodiment, the tank may be located below any one or more of the first, second, and third sets of air knives. For example, it may be located below the second set of air knives.
Preferably, the bottom of the wall is provided with a cleaning fluid interface to the outside, the cleaning fluid interface being connected with a lumen cleaning hole, the lumen cleaning hole opening towards the cavity.
Preferably, the wall and the chassis may be of unitary or separate construction, or, in a preferred embodiment of the application, the wall and the chassis are of separate construction and the outer surface of the wall and the chassis are connected together by a locking member.
More preferably, the locking member comprises a first portion and a second portion, one of the first portion and the second portion being located on the wall and the other being located on the chassis.
In a more preferred embodiment, the first part comprises a mounting plate, the second part comprises a limiting piece, the mounting plate is provided with a protruding part, the protruding part is provided with a rotating shaft parallel to the mounting plate, a rotating part is connected to the rotating shaft and can rotate around the rotating shaft, the rotating part is provided with a hooking part, and the hooking part is sleeved on the limiting piece.
In another more preferred embodiment, the first part comprises a mounting plate and a first limiting member, the second part comprises a second limiting member, the mounting plate is provided with a protruding part, the protruding part is provided with a first rotating shaft parallel to the mounting plate, the first rotating member is connected to the first rotating shaft and can rotate around the rotating shaft, and the first rotating member is provided with a first hooking member; the first rotating part is provided with a second rotating shaft parallel to the first rotating shaft, the second rotating part is connected to the second rotating shaft and can rotate around the second rotating shaft, one end of the second rotating part, which is far away from the second rotating shaft, is provided with a second hooking part, and the first rotating shaft and the first hooking part are respectively arranged on the upper side and the lower side of the second rotating shaft; the first limiting piece and the second limiting piece are dispersed on the upper side and the lower side of the mounting plate, the second hooking component is sleeved on the second limiting piece, and the first hooking component is sleeved on the first limiting piece.
Preferably, any one or more of the limiting piece, the first limiting piece and the second limiting piece is a lock nose.
Preferably, any one or more of the limiting piece, the first limiting piece and the second limiting piece is/are provided with a penetrating hole.
In a preferred embodiment, the high-pressure water port comprises a hollow pipeline extending from the outer surface of the chassis body to the inside of the chassis body, one end of the cylindrical hollow pipeline on the outer surface of the body is a water inlet of the high-pressure water port, the other end of the cylindrical hollow pipeline is a water outlet, and the water outlet is communicated with one end of the high-pressure water waterway pipeline.
In a preferred embodiment, the high-pressure water waterway pipeline comprises a main pipeline and auxiliary pipes which are arranged in parallel, wherein an inlet of the main pipeline is communicated with the high-pressure water interface, preferably a water outlet is connected, the auxiliary pipes are communicated with the main pipeline, and the tail ends of the auxiliary pipelines are communicated with the opening; the high-pressure water nozzle is communicated with the auxiliary water outlet pipeline and is positioned on the wall of the pollutant suction hole.
Preferably, the wall is provided with a high pressure gas interface, a gas knife. In a preferred embodiment, the chassis body is provided with an air knife window through which an air knife passes, the air knife window being disposed around the window. More preferably, the chassis body is provided with two air knife windows, and the windows are positioned between the two air knife windows.
Preferably, the inner wall of the air knife window can be vertical or inclined.
In a preferred embodiment, the wall is provided with a high pressure gas pipe and a high pressure gas nozzle communicating with a high pressure gas port, wherein one end of the high pressure gas pipe is connected to the high pressure gas port; the other end is connected with a high-pressure air nozzle for spraying high-pressure air to form an air knife, and the high-pressure air nozzle faces the air knife window or more preferably is positioned in the air knife window.
Preferably, the high-pressure gas interface can be communicated with a high-pressure gas source, such as a high-pressure gas cylinder or a high-pressure gas pump
Preferably, the high-pressure water interface is provided with a high-pressure water filter element, and preferably, the high-pressure water filter element is positioned in a hollow pipeline of the high-pressure water interface.
Preferably, the water inlet of the high-pressure water interface is positioned on the side wall of the chassis.
Preferably, the high-pressure water nozzles may be arranged in one or more rows according to actual use requirements, for example. Preferably, the injection angle and range of the high-pressure water nozzle are adjustable, and preferably, the high-pressure water nozzle can be directly injected or obliquely injected.
Preferably, the hole wall of the window may be a plane or an arc surface according to the part of the actual cleaning object, and may be a plane or an inclined plane inclined at a certain angle.
Preferably, the bottom surface of the chassis body is in an upward concave arc shape.
In the application, the pressure of the water under the condition of no external force is normal pressure, the high pressure of the high-pressure water is the pressure of the high-pressure water pump and is more than 6.375MPa, and the high pressure of the high-pressure air is 0.6MPa-160 MPa.
Preferably, the inner surface of the wall is covered with a non-adhesive coating that is resistant to high and low temperatures.
Preferably, the cavity is detachable into a front cover portion and a rear housing portion.
Preferably, the front cover portion and the rear housing portion of the cavity are secured by bolting.
Preferably, the cavity further comprises a connecting flange, wherein the connecting flange is located at the top of the cavity, is octagonal, and is provided with four bolt holes with symmetrical positions at corners.
The application has the technical effects and advantages that: this silk screen washs drying device, at first, through the combination of the sealed air knife of this belt cleaning device's cleaning head and high-pressure water, realize the main cleaning function of silk screen, suck clean pollutant outside the cavity and handle, then through utilizing double-deck annular air knife to surround high-pressure water needle, can pierce through the silk screen and carry out the inside gluing thing of high-efficient clearance silk screen and tiny fibre, moisture in the silk screen is got rid of to a plurality of double-deck annular air knives of rethread, make the silk screen still keep dry after the washing of high-pressure water needle, can reduce the loss of cleaning liquid, promote the cleaning efficiency of silk screen, improve the air permeability of silk screen, prolong the life of silk screen, make the efficient cyclic utilization of silk screen.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:
FIG. 1 is a schematic view of a wire mesh cleaning and drying apparatus of the present application;
FIG. 2 is a schematic view of the structure of a cleaning head according to the present application;
FIG. 3 is a schematic view of the bottom structure of the cleaning head of the present application;
FIG. 4 is a schematic perspective view of a cleaning head according to the present application;
FIG. 5 is a block diagram of a cleaning head chassis of the present application;
FIG. 6 is a schematic view of the bottom surface structure of the cleaning head chassis of the present application;
FIG. 7 is a schematic perspective view of a cleaning head chassis of the present application;
FIG. 8 is a vertical schematic view of the working state of the cleaning and drying air knife according to the application;
FIG. 9 is a schematic plan view of the working state of the cleaning and drying air knife according to the present application;
legend description:
1 cleaning head, 11 cavity, 12 surrounding wall forming the cavity, 14 high pressure gas interface, 15 sealing air knife, 17 inner cavity cleaning hole, 18 high pressure water interface; 19 is a self-cleaning water interface
2, cleaning and drying air knives, 20 bodies, 21 first annular air knives, 22 second annular air knives, 23 third annular air knives, 24 fourth annular air knives, 25 fifth air knives and 26 cleaning liquid nozzles;
the device comprises a chassis 3, a chassis body 31, a high-pressure water filter element 33, a high-pressure water channel pipeline 34, a high-pressure water nozzle 35, an air knife window 36 and a window 37;
4, a water tank;
5, a guide roller;
6 locking part, 61 mounting plate, 62 first spindle, 63 second spindle, 64 second rotating part, 65 second hooking part, 66 first rotating part, 67 first hooking part, 68 second limiting part, 69 first limiting part;
7 silk screen.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
The application provides a silk screen cleaning and drying device, which comprises a cleaning head 1, a cleaning and drying air knife 2 and a water tank 4, and is characterized in that the silk screen cleaning and drying device comprises a cleaning head 1.
Referring to fig. 2 to 6, the screen cleaning and drying apparatus includes a chamber 11, a cylindrical wall 12 surrounding the chamber, and a chassis 3. For example, fig. 2 and 4, the cylindrical wall 12 comprises two flat plates and two arcuate plates, the lower portions of the two flat plates being enlarged, thereby forming a cavity 11 with the bottom portion enlarged outwardly. The chassis 3 is located at the bottom of the cylindrical wall 12. The bottom of the wall 12 is further provided with a self-cleaning water connection 19, said self-cleaning water connection 19 being connected to the cavity cleaning aperture 17.
The chassis 3 comprises a chassis body 31, a high-pressure water interface 18, a high-pressure water filter element 33, a high-pressure water channel 34, a high-pressure water nozzle 35 and a window 37.
The high-pressure water port 18 is located inside the chassis body 31, and is a cylindrical hollow pipe extending into the chassis body 31, one end of the cylindrical hollow pipe is a water inlet of the high-pressure water port 18, the other end of the cylindrical hollow pipe is a water outlet located at a position, close to the left edge, of the front surface of the chassis body 31, and the water outlet is communicated with the high-pressure water waterway pipeline 34. The high-pressure water filter element 33 is positioned in the cylindrical hollow pipe of the high-pressure water port 18.
The high-pressure water waterway pipeline 34 is provided with a main pipeline, and the water inlet end of the main pipeline is connected with the water outlet. The main pipeline is connected with a plurality of auxiliary water outlet pipelines in parallel, and the auxiliary water outlet pipelines are arranged along the periphery of the window 37. The high pressure water nozzle 35 communicates with the auxiliary water outlet conduit and is located at an opening in the inner wall of the window 37.
Referring to fig. 5, the method for setting the high-pressure water port 18 and the high-pressure water channel 34 may be: forming a high-pressure water interface 18 by punching a first pore canal in the front-back direction (laser or 3D printing mode can be adopted), wherein the first pore canal can penetrate through the chassis or not penetrate through the chassis; a second pore canal is drilled in the left-right direction, is communicated with the first pore canal, extends to the periphery of the window 37, forms a main pipeline, and seals an opening of the main pipeline at the left edge of the chassis; and a third pore canal is drilled along the window 37 in the front-back direction, the third pore canal is communicated with the second pore canal to form an auxiliary water outlet pipeline, and the opening of the third pore canal positioned at the edge of the chassis is plugged. The inner wall of the window 37 is communicated with the third pore canal through a rotating hole, and the high-pressure water nozzle 35 is communicated with an auxiliary water outlet pipeline through the rotating hole. The turning hole may be a threaded hole, and the outer surface of the high-pressure water nozzle 35 is provided with threads to engage with the threaded hole.
The high-pressure water nozzles 35 can be arranged in one or more rows according to the actual use requirement, and the injection angle and range of the nozzles can be adjustable, and can be directly sprayed or obliquely sprayed. The inner wall of the window 37 may be formed as a plane or an arc surface according to a part of an actual cleaning object, and may be formed as a slope inclined at a certain angle. At least a part of the bottom surface of the chassis body 31 is designed into an upwardly concave arc shape, and the window 37 is located in the arc-shaped region. This may be a screen for cleaning an arc, for example, as shown in fig. 1, when the screen 7 is driven forward by the roller 5, a part of the screen 7 is wrapped around the roller 5, or the screen is cleaned by the solution of the present application, and the high-pressure water nozzle 35 is sprayed onto the screen 7 and also penetrates the screen 7 to be sprayed onto the roller 5. Because the mesh of the silk screen 7 is permeable, if the silk screen 7 is cleaned at other positions, a large amount of water can permeate the silk screen 7 and special tools are needed for carrying, the bottom surface of the chassis body 31 is designed into an arc shape and can directly surround the roller 5, and after being reflected by the roller, the water is sucked into the cavity 11 through negative pressure, and the flushed pollutants are brought into the cavity 11 together.
When the vacuum pump is in operation, the chassis 3 is buckled at the bottom of the wall 12, the top of the cavity 11 is connected with the vacuum pump, and the vacuum pump forms negative pressure in the cavity 11. The chassis then communicates the high-pressure water interface 18 with the high-pressure water delivery device, the spray angle of the high-pressure water nozzle 35 is adjusted according to the cleaning object, the high-pressure water is sprayed onto the net sheet, the attachments are washed to be separated from the net sheet, under the negative pressure, the attachments separated from the net sheet are sucked into the cavity 11 through the window 37, and under the negative pressure, it should be understood that the high-pressure water spray speed can overcome the influence of the negative pressure in the cavity, and the negative pressure and the pressure of the high-pressure water can be adjusted. In addition, if a high-pressure water pipe is arranged in the general cavity, the high-pressure water pipe can be directly connected with the high-pressure water interface 18 of the jet chassis of the cleaning device, but the high-pressure water interface 18 can also be independently connected with external high-pressure water. Or, the application can replace the chassis under the condition that the silk screen is wrapped on the roller and moves linearly. After the contaminants are sucked into the chamber 11, they may adhere to the inner surface of the wall 12, and thus, the normal pressure water is introduced into the cleaning water holes 17, and the water introduced into the chamber 11 through the cleaning water holes 17 rises along the inner surface of the wall 12 under the negative pressure for cleaning the inner surface.
The chassis 3 is also provided with an air knife window 36. The wall 12 is internally provided with a high-pressure gas interface 14, the end of the high-pressure gas interface 14 is provided with a high-pressure gas nozzle, and the high-pressure gas nozzle sprays gas into the gas knife window 36 to form a sealed gas knife 15. In this embodiment, the number of air knife windows 36 is two, and the window 37 is located at a position between the two air knife windows 36.
When the sealing air knife device works, the air knife window 36 is used for forming the penetration of high-pressure air of the sealing air knife 15, two sealing air knives 15 are formed in front of and behind the window 37, and when high-pressure water is sprayed to the silk screen or the roller 5 wrapped by the silk screen for reflection, the sealing air knife 15 is blocked, so that the reflected water and pollutants carried by the reflected water are prevented from splashing to other areas.
The cleaned contaminants may be partially adhered to the roller 5, and the roller 5 may be re-adhered to the screen 7 when rotating, referring to fig. 8-9, the cleaning and drying air knife is installed at the downstream of the roller 5, and the cleaning and drying air knife comprises a main body 20, wherein the main body 20 is provided with a first group of air knives, the first group of air knives comprises a first annular air knife 21, a second annular air knife 22 and a cleaning liquid nozzle, the first annular air knife 21 is surrounded by the second annular air knife 22, and the cleaning liquid nozzle 26 is surrounded by the first annular air knife 21.
The cleaning liquid nozzle 26 may be provided in any one of a straight shape, a cross shape, a star shape, a # shape, a polygonal shape, and a ring shape. But preferably, the cleaning liquid nozzle 26 in the above example is a circular or fan-shaped high pressure water needle. A cleaning liquid pipe is arranged in the main body, and the cleaning liquid pipe is communicated with the cleaning liquid nozzle 26 after passing through the main body.
The first annular air knife 21 comprises a first air channel and a first air outlet, the first air outlet is positioned on the surface of the main body, and the first air channel passes through the main body to be communicated with the first air outlet; the second annular air knife 22 includes a second air channel and a second air outlet, the second air outlet is located on the surface of the main body, and the second air channel passes through the main body to be communicated with the second air outlet. The cleaning liquid nozzle 26 is surrounded by a first gas outlet, which is surrounded by a second gas outlet. The first gas passage and the second gas passage may be connected to the same gas source, or may be connected to one gas source each.
For example, an air inlet pipe (i.e. the first gas channel and the second gas channel are combined into an air inlet pipe), a first air outlet pipe and a second air outlet pipe are arranged in the main body 20, the air inlet pipe is communicated with the first air outlet pipe and the second air outlet pipe, the first air outlet pipe and the second air outlet pipe are annularly arranged in the main body, and the first air outlet pipe is communicated with the first air outlet pipe and the second air outlet pipe is communicated with the second air outlet pipe.
Or, the main body 20 is provided with a first air inlet pipe, a second air inlet pipe, a first air outlet pipe and a second air outlet pipe, the first air inlet pipe is communicated with the first air outlet pipe (forming a first gas channel), the second air inlet pipe is communicated with the second air outlet pipe (forming a second gas channel), the first air outlet pipe and the second air outlet pipe are annularly arranged inside the main body, and the first air outlet is communicated with the first air outlet pipe, and the second air outlet is communicated with the second air outlet pipe.
The first gas outlet and the second gas outlet are arranged in concentric circles, and the cleaning liquid nozzle 26 is positioned at the center of the concentric circles.
The air inlet pipe is communicated with a pipe for supplying compressed air outside the main body, and the pressure of the supplied compressed air is in the range of 6-10bar.
The cleaning liquid pipe is communicated with a pipe for supplying high-pressure water outside the main body, and the pressure of the supplied high-pressure water is 150-200bar.
As shown in fig. 8 to 9, the air inlet pipeline is connected with air supply equipment outside the main body, air enters the air inlet pipeline, enters the corresponding annular exhaust cavity through the first air exhaust pipeline and the second air exhaust pipeline which are annularly arranged in the air exhaust pipeline, is sprayed out through the air exhaust cavity, so that a first annular air knife 21 and a second annular air knife 22 are formed, the air exhaust port is sprayed out towards the surface of the silk screen 7 in parallel, the first annular air knife 21 and the second annular air knife 22 are blown to the surface of the silk screen 7, the positions of the first annular air knife 21 and the second annular air knife 22 are unchanged, along with the high-speed movement of the silk screen 7, any position of the silk screen 7 is flushed four times by the air knives, and the flushing sequence is the second annular air knife 22, the first annular air knife 21 and the second annular air knife 22. It should be understood that the wire 7 may be stationary, and the body 20 moves the first annular air knife 21 and the second annular air knife 22. I.e. the movement of the application, is a relative movement, i.e. the movement of the wire 7 corresponds to the movement of the wire cleaning device.
The water inlet pipeline is connected with water supply equipment outside the main body, high-pressure water enters the cleaning liquid pipeline, the cleaning liquid nozzle 26 is sprayed out through the cleaning liquid nozzle, the cleaning liquid nozzle 26 is sprayed to the surface of the silk screen 7 and penetrates through the silk screen, the adhesive and the fine fibers in the silk screen 7 are removed, when the cleaning liquid nozzle 26 is sprayed out, a part of water is reflected on the surface of the silk screen and is blocked by the first annular air knife 21 to form water mist, the water mist and the first annular air knife 22 form a steam-water mixture, and the steam-water mixture continuously penetrates through the silk screen 7.
The first annular air knife 21 and the second annular air knife 22 sweep the water adsorbed by the silk screen 7 at the same time, so that the drying speed is increased.
Example two
In this embodiment, the chassis 3 is located at the bottom of the cylindrical wall 12 and is connected to the cylindrical wall 12 by the locking member 6. As shown in fig. 4, the locking members 6 have three in total, two of which connect the wall 2 with the chassis 3 at the flat plate and the other of which connects the wall 12 with the chassis 3 at one side of the arc-shaped wall. The locking member 6 comprises a second limiting member 68 located on the chassis as a second part of the locking member 6, the first part being located on the outer surface of the wall 12, comprising a mounting plate 61 provided on the outer surface of the wall 12, a protruding portion facing away from the wall being provided on the mounting plate 61, a first rotation shaft 62 being provided on the protruding portion, a first limiting member 69 being provided above the mounting plate 61, the first rotation member 66 being mounted on the first rotation shaft and being rotatable about the first rotation shaft 62. The first rotating member 66 is provided with a second rotating shaft 63 parallel to the first rotating shaft, and the second rotating member 64 is connected to the second rotating shaft 63 and is rotatable about the second rotating shaft 63. The first rotating member 66 is provided with a first hooking member 67 at the end thereof, and is sleeved on the first limiting member 69, and the first rotating shaft 62 and the first hooking member 67 are respectively arranged on the upper side and the lower side of the second rotating shaft 63. The second rotating member 64 terminates in a second hooking member 65 which is engaged with a second stop 68.
When the chassis 3 is removed or replaced, the first rotating member 66 is pulled to rotate the first rotating member 66 around the first rotating shaft 62, the first hooking member 67 is separated from the first limiting member 69, and during the rotation of the first rotating member 66, the second rotating shaft 63 moves along with the first rotating member 66 and descends in position, so that the second rotating member 64 is loosened, the second rotating member 64 is pulled, and the second hooking member 65 is separated from the second limiting member 68. After the chassis 3 is mounted, the second hooking member 65 is first sleeved on the second limiting member 68, and then the first rotating member 66 is pulled upwards until the first hooking member 67 is sleeved on the first limiting member 69, and in the process, the second rotating shaft 63 moves upwards to tighten the second rotating member 64.
Example III
Based on the first embodiment, a second set of air knives is added to the present embodiment, specifically, a second set of air knives is further disposed in the main body 20, and the second set of air knives is located downstream of the first set of air knives, where the second set of air knives includes a third annular air knife 23 and a fourth annular air knife 24, and the third annular air knife 23 is surrounded by the fourth annular air knife 24.
The third annular air knife 23 comprises a third air channel and a third air outlet, the third air outlet is positioned on the surface of the main body, and the third air channel passes through the main body and is communicated with the third air outlet; the fourth annular air knife 24 includes a fourth air channel and a fourth air outlet, the fourth air outlet is located on the surface of the main body, and the fourth air channel passes through the main body and is communicated with the fourth air outlet.
Likewise, the third gas passage and the fourth gas passage may share a single gas source or may be provided separately from each other.
For example, an air inlet pipeline (for example, the third air channel and the fourth air channel are the same air inlet pipeline), a third air outlet pipeline and a fourth air outlet pipeline are arranged in the main body, the air inlet pipeline is communicated with the third air outlet pipeline and the fourth air outlet pipeline, the third air outlet pipeline and the fourth air outlet pipeline are annularly arranged in the main body, and the third air outlet pipeline is communicated with the third air outlet pipeline and the fourth air outlet pipeline.
Or, be equipped with third inlet channel, fourth inlet channel, third exhaust duct, fourth exhaust duct in the main part, third inlet channel intercommunication third exhaust duct (constitute third gas passage), fourth inlet channel intercommunication fourth exhaust duct (constitute fourth gas passage), third exhaust duct, fourth exhaust duct annular set up in the main part to third gas outlet intercommunication third exhaust duct, fourth gas outlet intercommunication fourth exhaust duct.
When the device is in operation, the air inlet pipeline is connected with air supply equipment outside the main body 20, high-pressure air enters the air inlet pipeline and is sprayed out from the air outlet after passing through the third air outlet pipeline and the fourth air outlet pipeline which are annularly arranged, so that an annular third air knife 23 and an annular fourth air knife 24 are formed, air is sprayed out from the air outlet vertically towards the surface of the silk screen 7, the annular third air knife 23 and the annular fourth air knife 24 blow the surface of the silk screen 7, the silk screen 7 which is cleaned and swept by the first group of air knives moves along the direction indicated by an arrow, the silk screen 7 firstly contacts the annular fourth air knife 24 and enters the surrounding area of the fourth air knife 24, the high-pressure air on the left side of the annular fourth air knife 24 penetrates through the silk screen to sweep adhered pollutants which are adsorbed by the silk screen, the non-cleaned water is continuously carried out by the silk screen 7, and enters the area surrounded by the annular third air knife 23, and the high-pressure air of the annular third air knife 23 penetrates through the silk screen to sweep. In the process, part of the air in the annular third air knife 23 is reflected by the silk screen 7, the speed of the reflected air drops sharply, if the reflected air is located in the surrounding area of the annular third air knife 23, most of the air enters the subsequent air of the annular third air knife 23 and blows to the silk screen again, and most of the reflected air outside the surrounding area of the annular third air knife 23 enters the subsequent air of the annular fourth air knife 24 and blows to the silk screen 7 again. Therefore, the annular third air knife 23 is sealed inside the annular fourth air knife 24, so that the working efficiency of the second group of air knives is improved, the waste of air flow is reduced, and the situation that the reflected air flow carries pollutants to splash to other areas can be reduced.
The movement of the wire 7 continues from exiting the surrounding area of the annular third air knife 23, contacting the other side of the annular fourth air knife 24, and continuing the purging until exiting the surrounding area of the annular fourth air knife 24. Any position of the wire 7 will therefore be flushed four times by the air knives at the second set of air knives.
A third set of air knives is also provided within the body 20, downstream of the second set of air knives, wherein the third set of air knives includes a fifth air knife 25.
As shown in fig. 8-9, the air inlet pipeline of the fifth air knife 25 is connected with air supply equipment outside the main body 20, air enters the air inlet pipeline and is sent to the fifth air outlet through a fifth air outlet pipeline which is arranged in an annular mode, and the air forms the fifth air knife 25 to sweep the surface of the silk screen 7;
with reference to the first and second embodiments, the screen is moved to the lower part of the second set of air knives for further blowing and drying through the area after the preliminary cleaning of the first set of air knives.
After leaving the second set of air knives, the wire mesh 7 is moved under the third set of air knives and subjected to a final purge drying via a fifth air knife 25. The fifth air knife 25 is a straight air knife, and after the two groups of air knives are purged, the straight air knife 25 can meet the drying requirement.
When the silk screen 7 is cleaned by the cleaning head 1, moisture is adsorbed, and when the cleaning and drying air knives continue to clean, part of the moisture permeates the silk screen 7, therefore, a water tank 4 is arranged below the cleaning and drying air knives, the front end of the opening of the water tank 4 exceeds the first group of air knives and continues to be close to the roller 5, the rear end exceeds the downstream of the cleaning and drying air knives and continues to extend downstream, liquid sprayed by the cleaning liquid nozzle 26 is stored in the water tank 4, and meanwhile, the water purged by the first annular air knife 21, the second annular air knife 22, the third annular air knife 23, the fourth annular air knife 24 and the fifth air knife 25 is also received in the water tank 4.
The above description of the specific embodiments of the present application has been given by way of example only, and the present application is not limited to the above described specific embodiments. Any equivalent modifications and substitutions for the present application will occur to those skilled in the art, and are also within the scope of the present application. Accordingly, equivalent changes and modifications are intended to be included within the scope of the present application without departing from the spirit and scope thereof.
Claims (5)
1. The silk screen cleaning and drying device is characterized by comprising a cleaning head, a cleaning and drying air knife and a water tank; the water tank comprises a tank body, and the tank body is positioned right below the cleaning and drying air knife;
the cleaning head comprises a cavity, a wall surrounding the cavity and a chassis; the chassis comprises a chassis body, a high-pressure water interface, a high-pressure water waterway pipeline and a high-pressure water nozzle; the chassis body is provided with a window and two air knife windows, the window is positioned between the two air knife windows, the cavity is communicated with the outside through the window, the inner wall of the window is provided with an opening, one end of a high-pressure water waterway pipeline is connected with a high-pressure water interface positioned on the outer surface of the bottom plate body, the other end of the high-pressure water waterway pipeline is communicated with the opening of the inner wall of the window, and a high-pressure water nozzle is arranged at the opening and is communicated with the high-pressure water waterway pipeline;
the wall and the chassis are of a split structure, and the outer surface of the wall is connected with the chassis through a locking part; the locking member comprises a first portion and a second portion, one of the first portion and the second portion being located on the wall and the other being located on the chassis;
the wall is a cylindrical wall, the cylindrical wall comprises two flat plates and two arc-shaped plates, and the lower parts of the two flat plates are enlarged to form a cavity with the bottom outwards enlarged; the chassis is buckled below the cylindrical wall;
the cleaning and drying air knife comprises a main body, wherein the main body is provided with a first group of air knives, the first group of air knives comprises a first annular air knife, a second annular air knife and a cleaning liquid nozzle, the first annular air knife is surrounded by the second annular air knife, and the cleaning liquid nozzle is surrounded by the first annular air knife;
the first annular air knife comprises a first air outlet, the second annular air knife comprises a second air outlet, the first air outlet and the second air outlet are positioned on the surface of the main body, and the first air outlet and the second air outlet are annular or are formed by annularly arranging a plurality of air outlets; and the first air outlet is surrounded by the second air outlet; the cleaning liquid nozzle is surrounded by the first gas outlet;
the main body is internally provided with a second group of air knives, the second group of air knives is positioned at the downstream of the first group of air knives, the second group of air knives comprises a third air knife and a fourth air knife, the fourth air knife is an annular air knife, and the third air knife is surrounded by the fourth air knife;
the main body is internally provided with a third group of air knives, the third group of air knives are positioned at the downstream of the second group of air knives, the third group of air knives comprises a fifth air knife, and the fifth air knife is a straight air knife.
2. The screen cleaning and drying apparatus according to claim 1, wherein the bottom of the wall is provided with a cleaning fluid interface to the outside, the cleaning fluid interface being connected with an inner chamber cleaning aperture, the inner chamber cleaning aperture opening into the chamber.
3. The screen cleaning and drying apparatus according to claim 1, wherein the first portion of the locking member comprises a mounting plate, the second portion comprises a stopper, the mounting plate is provided with a boss, a rotation shaft parallel to the mounting plate is provided on the boss, a rotation member is connected to the rotation shaft and rotatable about the rotation shaft, the rotation member has a hooking member, and the hooking member is sleeved on the stopper.
4. The screen cleaning and drying apparatus according to claim 1, wherein the first portion of the locking member comprises a mounting plate and a first limiting member, the second portion comprises a second limiting member, the mounting plate is provided with a protrusion, the protrusion is provided with a first rotation axis parallel to the mounting plate, the first rotation member is connected to the first rotation axis and is rotatable about the rotation axis, and the first rotation member is provided with a first hooking member; the first rotating part is provided with a second rotating shaft parallel to the first rotating shaft, the second rotating part is connected to the second rotating shaft and can rotate around the second rotating shaft, one end of the second rotating part, which is far away from the second rotating shaft, is provided with a second hooking part, and the first rotating shaft and the first hooking part are respectively arranged on the upper side and the lower side of the second rotating shaft; the first limiting piece and the second limiting piece are dispersed on the upper side and the lower side of the mounting plate, the second hooking component is sleeved on the second limiting piece, and the first hooking component is sleeved on the first limiting piece.
5. The screen cleaning and drying device according to claim 1, wherein the high-pressure water port comprises a hollow pipeline extending from the outer surface of the chassis body to the interior of the chassis body, one end of the hollow pipeline on the outer surface of the body is a water inlet of the high-pressure water port, the other end is a water outlet, and the water outlet is communicated with one end of the high-pressure water waterway pipeline.
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| CN202010748193.4A CN112139107B (en) | 2020-07-30 | 2020-07-30 | Silk screen washs drying device |
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| CN202010748193.4A CN112139107B (en) | 2020-07-30 | 2020-07-30 | Silk screen washs drying device |
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| CN113894078A (en) * | 2021-09-28 | 2022-01-07 | 福涞堡造纸技术(上海)有限公司 | Online roller surface cleaning device and method |
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| CN112139107A (en) | 2020-12-29 |
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