CN110681538B - Coating liquid filtering device - Google Patents
Coating liquid filtering device Download PDFInfo
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- CN110681538B CN110681538B CN201810738630.7A CN201810738630A CN110681538B CN 110681538 B CN110681538 B CN 110681538B CN 201810738630 A CN201810738630 A CN 201810738630A CN 110681538 B CN110681538 B CN 110681538B
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- filtering device
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- 239000007788 liquid Substances 0.000 title claims abstract description 127
- 239000011248 coating agent Substances 0.000 title claims abstract description 93
- 238000000576 coating method Methods 0.000 title claims abstract description 93
- 238000001914 filtration Methods 0.000 title claims abstract description 91
- 239000012530 fluid Substances 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 5
- 230000009471 action Effects 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000012840 feeding operation Methods 0.000 description 1
- 239000002783 friction material Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/40—Filters located upstream of the spraying outlets
Abstract
The invention relates to a coating liquid filtering device, relates to the technical field of filtering devices, and is designed for solving the problems of low efficiency and poor filtering effect of the conventional coating liquid filtering mode. The coating liquid filtering device comprises a feeding cylinder and a piston assembly moving in the feeding cylinder, a rodless cavity of the feeding cylinder is communicated with a liquid feeder and a liquid collector, a first control valve used for controlling the on-off of a pipeline is arranged on a communicating pipeline of the liquid feeder and the rodless cavity, a filter and a second control valve used for controlling the on-off of the pipeline are arranged on the communicating pipeline of the liquid collector and the rodless cavity, and the piston assembly is driven by a power module to move. The liquid feeder is used for containing the coating liquid to be filtered, and the liquid collector is used for containing the coating liquid after filtering. The coating liquid filtering device provided by the invention is used for efficiently filtering the coating liquid so as to reduce or even avoid the volatilization phenomenon in the filtering process.
Description
Technical Field
The invention relates to the technical field of filtering devices, in particular to a coating liquid filtering device.
Background
During laboratory product testing, the filtration of the coating fluid is typically performed manually. However, the manual filtration process is inefficient, consumes a long time, and not only causes a part of the coating liquid to be volatilized to the external environment during the filtration operation, resulting in the waste of the coating liquid, but also causes the viscosity change of the coating liquid, generates bubbles, and cannot ensure the filtration effect. In addition, because the filtering operation of the coating liquid is finished manually, the labor intensity of workers is greatly improved.
Disclosure of Invention
The invention aims to provide a coating liquid filtering device, which solves the technical problems of low efficiency and poor filtering effect of the conventional coating liquid filtering method.
The invention provides a coating liquid filtering device which comprises a supply cylinder and a piston assembly moving in the supply cylinder.
A rodless cavity of the feeding cylinder is communicated with a liquid supply device and a liquid collecting device, a first control valve for controlling the on-off of a pipeline is arranged on a communicating pipeline between the liquid supply device and the rodless cavity, and a filter and a second control valve for controlling the on-off of the pipeline are arranged on a communicating pipeline between the liquid collecting device and the rodless cavity; the piston assembly is driven to move by the power module.
The liquid feeder is used for containing the coating liquid to be filtered, and the liquid collector is used for containing the coating liquid after filtering.
Furthermore, the power module comprises a screw rod, a slidable push block sleeved on the screw rod, a motor used for driving the screw rod to rotate and a limiting assembly used for limiting the rotational degree of freedom of the push block.
The piston assembly and the push block move synchronously.
Further, the piston assembly is detachably connected to the push block.
Further, the power module further comprises a clamping assembly, and the clamping assembly is mounted on the push block and can clamp the piston assembly.
The clamping assembly and the push block move synchronously.
Further, the centre gripping subassembly includes first centre gripping arm, second centre gripping arm and is used for the retaining member with the two locking, first centre gripping arm with the second centre gripping arm can open and shut relatively, and the two is closed to form the centre gripping chamber, piston assembly including be located feed cylinder inside piston and with the piston rod that the piston links firmly, the piston rod is located in the centre gripping chamber.
Further, still include the fixed subassembly that is used for fixed feed cylinder, power module and fixed subassembly are all installed in the frame.
Further, fixed subassembly include fixed frame and connect soon in fixing bolt on the fixed frame, a feed section of thick bamboo is worn to establish in the fixed frame, fixing bolt can with a feed section of thick bamboo support tightly in fixed frame.
Further, the support is used for supporting the supply cylinder and is installed on the machine frame.
Further, the power module comprises a control module, and the first control valve, the second control valve and the power module are all connected with the control module.
Further, the filter is disposed on a pipe between the second control valve and the liquid trap.
The coating liquid filtering device of the invention has the following beneficial effects:
the working process of the coating liquid filtering device is as follows: placing the coating liquid to be filtered into a liquid supply device, opening a first control valve, starting a power module, driving a piston assembly to move towards a rod cavity, and allowing the coating liquid in the liquid supply device to enter a rodless cavity of a feeding cylinder under the action of negative pressure adsorption; then, the first control valve is closed, the second control valve is opened, the piston assembly is driven by the power module to move towards the direction of the rodless cavity, the coating liquid in the rodless cavity is pushed into the filter, and after the coating liquid is filtered by the filter, the coating liquid flows into the liquid collector to be collected.
The coating liquid filtering device realizes automatic filtration of the coating liquid, has high filtering efficiency, and improves the phenomenon of coating liquid volatilization caused by low manual filtering efficiency in the past, thereby reducing the waste of the coating liquid. Moreover, the coating liquid filtering device is stable in working state, high in filtering consistency and good in filtering effect, and viscosity change of the coating liquid is avoided to a certain extent. In addition, the coating liquid filtering device reduces the manual participation, improves the production efficiency and simultaneously lightens the labor intensity of workers. In addition, the coating liquid filtering device has a simple structure, a scheme is easy to realize, and the coating liquid filtering device has high market economic value.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic front view of a coating liquid filtering apparatus according to an embodiment of the present invention, in which a gantry support is schematically shown in cross section;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a schematic structural diagram of a fixing assembly supporting a supply cylinder in a left-side view in a coating liquid filtering apparatus according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a coating liquid filtering apparatus according to an embodiment of the present invention, in which a support supports a supply cylinder in a left side view;
FIG. 5 is a schematic sectional view of another coating liquid filtering apparatus according to an embodiment of the present invention, taken along section A-A.
Icon: 100-a frame; 200-a power module; 300-a feeding module; 400-a liquid supply device; 500-a liquid trap; 600-a filter; 700-a first control valve; 800-switching valve; 900-a second control valve; 110-a stationary component; 120-support; 130-gantry support; 111-a support block; 112-a cross beam; 113-fixing bolts; 114-briquetting; 210-a motor; 220-a screw mandrel; 230-a push block; 240-guide pillars; 250-a clamping assembly; 251-a first gripper arm; 252-a second gripper arm; 253-a retaining member; 254-a spring; 255-clamping a fixed seat; 256-clamp bolt; 257-clamping movable seat; 310-a supply cylinder; 320-piston assembly.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the following will clearly and completely describe the technical solutions of the present invention with reference to the accompanying drawings. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "left", "right", "horizontal", "vertical", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "mounted" are to be interpreted broadly, e.g., as being either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 and 2, the present embodiment provides an application liquid filtering apparatus including a supply cylinder 310 and a piston assembly 320 moving in the supply cylinder 310. Specifically, the rodless cavity of the feeding cylinder 310 is communicated with both the liquid feeder 400 and the liquid collector 500, wherein the liquid feeder 400 is used for containing the coating liquid to be filtered, the liquid collector 500 is used for containing the coating liquid after filtering, a first control valve 700 for controlling the on-off of the pipeline is arranged on the communicating pipeline between the liquid feeder 400 and the rodless cavity, a filter 600 and a second control valve 900 for controlling the on-off of the pipeline are arranged on the communicating pipeline between the liquid collector 500 and the rodless cavity, and the piston assembly 320 is driven by the power module 200 to move. And, the supply cylinder 310 and the power module 200 are mounted on the frame 100.
The working process of the coating liquid filtering device is as follows: placing the coating liquid to be filtered into the liquid supply device 400, opening the first control valve 700, starting the power module 200 to drive the piston assembly 320 to move towards the rod cavity, and allowing the coating liquid in the liquid supply device 400 to enter the rodless cavity of the feeding cylinder 310 under the action of negative pressure adsorption; then, the first control valve 700 is closed, the second control valve 900 is opened, the piston assembly 320 is driven by the power module 200 to move towards the direction of the rodless chamber, the coating liquid in the rodless chamber is pushed into the filter 600, and after the filtering action of the filter 600, the coating liquid flows into the liquid collector 500 to be collected.
The coating liquid filtering device realizes automatic filtration of the coating liquid, has high filtering efficiency, and improves the phenomenon of coating liquid volatilization caused by low manual filtering efficiency in the past, thereby reducing the waste of the coating liquid. Moreover, the coating liquid filtering device is stable in working state, high in filtering consistency and good in filtering effect, and the viscosity of the coating liquid is avoided to a certain extent. In addition, the coating liquid filtering device reduces the manual participation, improves the production efficiency and simultaneously lightens the labor intensity of workers. In addition, the coating liquid filtering device has a simple structure, a scheme is easy to realize, and the coating liquid filtering device has high market economic value.
Referring to fig. 1, in the present embodiment, the supply cylinder 310 may be disposed horizontally. By the arrangement, not only is the height space saved, but also the adverse effect of the self weight of the coating liquid on the filtration is reduced, and the working reliability of the coating liquid filtering device is ensured.
It should be noted that, in this embodiment, the supply cylinder 310 may be disposed horizontally, but is not limited to this, and other arrangements may also be adopted, such as: the supply cylinder 310 may be vertically or obliquely disposed, as long as the supply cylinder 310 can draw and push the coating liquid, and the specific layout of the supply cylinder 310 is not limited in this embodiment.
It should be noted that in the present embodiment, the piston assembly 320 includes a piston matching with the supply cylinder 310 and a piston rod fixedly connected to the piston, and the supply cylinder 310 may have a circular cross-section, but is not limited thereto, and may also take other forms, such as: rectangular, etc., where the piston is shaped to match the feed cylinder 310. It is sufficient that the extraction and feeding operation can be performed by the movement of the piston by the feed cylinder 310 having such a configuration.
Referring to fig. 1 and fig. 2, in the present embodiment, the power module 200 may include a screw 220, a slidable push block 230 sleeved on the screw 220, a motor 210 for driving the screw 220 to rotate, and a limiting assembly for limiting a rotational degree of freedom of the push block 230. Wherein the piston assembly 320 moves in synchronization with the push block 230.
When the coating liquid filtering device works, the motor 210 is started to drive the screw rod 220 to rotate, and the screw transmission connection between the push block 230 and the screw rod 220 and the rotation limit of the limit component on the screw rod 220 are utilized to ensure that the push block 230 feeds back and forth along the length direction of the screw rod 220, so that the drive on the piston component 320 is realized.
In this embodiment, the piston assembly 320 is detachably connected to the push block 230, and specifically, the piston rod is detachably connected to the push block 230.
The detachable fixed connection mode between the piston rod and the push block 230 realizes the detachable connection between the power module 200 and the feeding module 300, and greatly facilitates the later maintenance of the coating liquid filtering device of the embodiment.
In this embodiment, the coating liquid filtering apparatus may further include a control module (not shown), wherein the first control valve 700, the second control valve 900 and the motor 210 are connected to the control module. Due to the arrangement of the control module, the automatic control of the starting and stopping of the motor 210, the on-off of the first control valve 700 and the on-off of the second control valve 900 is realized, and the intelligent degree of the coating liquid filtering device is improved.
Referring to fig. 1, in this embodiment, the outlet of the rodless cavity of the supply cylinder 310 may further be provided with a switch valve 800, wherein the switch valve 800 is connected to the control module.
Referring to fig. 1, in the present embodiment, the filter 600 is disposed on a pipeline between the second control valve 900 and the liquid trap 500. With such an arrangement, the situation of low filtering efficiency caused by repeated filtering when the impurities in the filter 600 are drawn into the supply cylinder 310 again is avoided to a certain extent, and the filtering efficiency of the coating liquid filtering device of the embodiment is further improved.
In this embodiment, the motor 210 is mounted on the frame 100 through a motor mounting seat, the screw 220 is supported by two mounting seats arranged at intervals, the limiting component includes a guide post 240 sleeved on the push block 230, and the guide post 240 is fixed on the frame 100 through the two mounting seats arranged at intervals. In addition, in order to ensure the uniformity of the stress, in this embodiment, two guide posts 240 are provided, and the two guide posts 240 are respectively and symmetrically arranged on two sides of the screw rod 220.
With continued reference to fig. 1 and fig. 2, in this embodiment, the power module 200 may further include a clamping assembly 250, specifically, the clamping assembly 250 is mounted on the pushing block 230, the clamping assembly 250 can clamp the piston rod, wherein the clamping assembly 250 and the pushing block 230 move synchronously to drive the piston rod by the pushing block 230, and further drive the piston.
The clamping assembly 250 is arranged, so that the quick-release connection between the piston rod and the push block 230 is realized, the filtering efficiency and the maintenance efficiency are further improved, in addition, the clamping position can be adjusted according to the length of the piston rod, and the universality is stronger.
Specifically, the clamping assembly 250 may include a first clamping arm 251, a second clamping arm 252, and a locking member 253 for locking the first clamping arm 251 and the second clamping arm 252, wherein a clamping cavity is formed between the first clamping arm 251 and the second clamping arm 252, and the piston rod is located in the clamping cavity. By arranging the locking member 253, the piston rod can be reliably clamped, and the working stability of the coating liquid filtering device of the embodiment is ensured.
Referring to fig. 2, in the present embodiment, at least one of the first clamping arm 251 and the second clamping arm 252 may be slidably connected to the pushing block 230. When the coating liquid filtering device works, the distance between the first clamping arm 251 and the second clamping arm 252 can be adjusted by utilizing the clamping arm which is connected to the push block 230 in a sliding manner, so that a clamping cavity formed by the first clamping arm 251 and the second clamping arm 252 can meet the clamping requirement on the piston rod. This kind of centre gripping chamber adjustable setting form has realized the clamp of the piston rod to different dimensions for the feed section of thick bamboo 310 of multiple model can be selected according to the filtration efficiency requirement to this embodiment coating liquid filter equipment to satisfy the operation requirement under the multiple filtration operating mode, further improved this embodiment coating liquid filter equipment's commonality.
In this embodiment, the locking member 253 may be a locking latch or a threaded locking member, which is only required to lock the first clamping arm 251 and the second clamping arm 252, so as to achieve reliable clamping of the piston rod, and the specific structural form of the locking member 253 is not limited in this embodiment.
In this embodiment, the term "slidably coupled" means: the first clamping arm 251 and/or the second clamping arm 252 can slide on the push block 230, that is, only a freedom of movement exists between the first clamping arm 251 and/or the second clamping arm 252 and the push block 230, and the direction of the freedom of movement is a direction of a line connecting the first clamping arm 251 and the second clamping arm 252, as shown by an arrow in fig. 2.
Referring to fig. 2, in the present embodiment, the first clamping arm 251 and the second clamping arm 252 are both slidably connected to the pushing block 230, and springs 254 are disposed between the first clamping arm 251 and the pushing block 230 and between the second clamping arm 252 and the pushing block 230, and under the elastic force of the springs 254, the first clamping arm 251 and the second clamping arm 252 move toward each other to form a clamping cavity.
The first clamping arm 251 and the second clamping arm 252 are both connected with the push block 230 in a sliding mode, so that the alignment of the piston assembly 320 and the clamping cavity is guaranteed, and the stress balance of the first clamping arm 251 and the second clamping arm 252 is guaranteed. Moreover, by providing the spring 254 to close the clamping chamber by the elastic restoring force of the spring 254, the clamping force on the supply cylinder 310 is enhanced, and the reliability of clamping is further ensured, thereby ensuring the working stability of the coating liquid filtering apparatus of the present embodiment.
In this embodiment, the first clamping arm 251 and the second clamping arm 252 may be slidably connected to the push block 230, the first clamping arm 251 may be fixed to the push block 230, and the second clamping arm 252 may be slidably connected to the push block 230, or the first clamping arm 251 may be slidably connected to the push block 230 and the second clamping arm 252 may be fixed to the push block 230, as long as the size of the clamping cavity can be adjusted by the connection between the clamping arms and the push block 230.
It should be noted that, in this embodiment, the clamping assembly 250 may be in the structural form of the first clamping arm 251 and the second clamping arm 252, but is not limited to this, and other arrangements may also be adopted, as shown in fig. 5 in particular. The clamping assembly 250 comprises a clamping fixed seat 255 and a clamping movable seat 257, wherein the clamping fixed seat 255 is fixedly arranged on the push block 230, the clamping movable seat 257 is detachably and fixedly connected to the clamping fixed seat 255 through a clamping bolt 256, and a clamping cavity is formed between the clamping movable seat 257 and the clamping fixed seat 255. When the coating liquid filtering device works, the piston rod is placed in the clamping cavity, and the clamping bolt 256 is screwed tightly, so that the piston rod can be clamped and fixed. Therefore, the piston rod can be clamped and fixed by the clamping assembly 250 having such a structure, and the piston can be reliably driven.
In order to further improve the working reliability of the coating liquid filtering device of the embodiment, friction materials can be arranged on the wall surface of the clamping cavity, such as: rubber, and the like. Due to the arrangement, the friction force between the piston rod and the clamping cavity is increased, the offset risk of the piston rod relative to the clamping cavity is reduced, and the control accuracy is guaranteed.
Referring to fig. 1, in the present embodiment, the coating liquid filtering apparatus may further include a fixing component 110 for fixing the supply cylinder 310, wherein the fixing component 110 is fixed on the frame 100. The fixing assembly 110 is arranged to effectively fix the supply cylinder 310, and to a certain extent, the supply cylinder 310 is prevented from moving during the filtering process of the coating liquid.
As shown in fig. 3, in the embodiment, the fixing assembly 110 may include a fixing frame and a fixing bolt 113 screwed to the fixing frame, the feeding cylinder 310 is inserted into the fixing frame, and the fixing bolt 113 can tightly support the feeding cylinder 310 to the fixing frame.
Specifically, the fixing frame includes a supporting block 111 fixedly disposed on the frame 100 and a cross beam 112 fixedly connected to the supporting block 111, a gap for allowing the feeding cylinder 310 to pass through is formed between the cross beam 112 and the supporting block 111, a pressing block 114 is connected to a free end of the fixing bolt 113, and the pressing block 114 presses the feeding cylinder 310 against the supporting block 111, so that the feeding cylinder 310 is fixed.
Referring to fig. 1 in combination with fig. 4, in this embodiment, the coating liquid filtering apparatus may further include a support 120 for supporting the supply cylinder 310, and specifically, the support 120 is mounted on the frame 100 and spaced apart from the fixing frame.
The cooperation of the support 120 and the fixing assembly 110 realizes reliable support of the supply cylinder 310 by using the two-point positioning principle. In addition, in order to reduce the adverse effect on the filtration caused by the rolling of the supply cylinder 310, in the present embodiment, a V-shaped limiting groove may be disposed on each of the support base 120 and the support block 111, as shown in fig. 3 and 4.
With reference to fig. 1 and fig. 3 and 4, in this embodiment, the coating liquid filtering apparatus may further include a gantry 130. Specifically, the gantry support 130 is spanned above the motor 210, and the support 120 and the support block 111 are fixedly arranged on the gantry support 130. By the arrangement, the coating liquid filtering device of the embodiment is more compact and has higher space utilization rate.
The working process of the coating liquid filtering device is as follows: firstly, placing the feeding cylinder 310 on the support 120 and the supporting block 111, and fixing the feeding cylinder 310 by using the fixing bolt 113; then, a command is sent to the control module, so that the on-off valve 800 and the first control valve 700 are opened, and the motor 210 is started at the same time, and the feed motion of the push block 230 drives the piston to move rightward, so that the coating liquid to be filtered in the liquid supply device 400 is pumped into the rodless cavity of the supply cylinder 310; when the liquid is drawn in place, the control module controls the first control valve 700 to close and controls the second control valve 900 to open, and at the same time, the motor 210 is made to rotate reversely, at this time, the push block 230 drives the piston to move leftwards, the coating liquid in the rodless cavity is pushed into the filter 600, and after the filtering action of the filter 600, the coating liquid flows into the liquid collector 500 to be collected. The above-mentioned operation steps are repeated to achieve the purpose of filtering a large amount of coating liquid. After the filtering of the coating liquid is completed, the control module controls the switch valve 800 to be closed and controls the motor 210 to stop, and the coating liquid filtering device enters a stop mode.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (7)
1. An application liquid filtering apparatus, comprising a supply cylinder (310) and a piston assembly (320) moving in the supply cylinder (310);
a rodless cavity of the feeding cylinder (310) is communicated with a liquid supply device (400) and a liquid collecting device (500), a first control valve (700) for controlling the on-off of a pipeline is arranged on a communication pipeline between the liquid supply device (400) and the rodless cavity, and a filter (600) and a second control valve (900) for controlling the on-off of the pipeline are arranged on a communication pipeline between the liquid collecting device (500) and the rodless cavity; the piston assembly (320) is driven to move by the power module (200);
the liquid supply device (400) is used for containing the coating liquid to be filtered, and the liquid collector (500) is used for containing the filtered coating liquid;
the coating liquid filtering device further comprises a fixing assembly (110) for fixing the supply cylinder (310), wherein the supply cylinder (310), the power module (200) and the fixing assembly (110) are all arranged on a machine frame (100);
the fixing assembly (110) comprises a fixing frame and a fixing bolt (113) screwed on the fixing frame, the feeding cylinder (310) is arranged in the fixing frame in a penetrating mode, and the fixing bolt (113) can enable the feeding cylinder (310) to be tightly abutted to the fixing frame;
the coating liquid filtering device further comprises a support (120) for supporting the supply cylinder (310), and the support (120) is mounted on the machine frame (100).
2. The coating fluid filtering device of claim 1, wherein the power module (200) comprises a screw (220), a slidable push block (230) sleeved on the screw (220), a motor (210) for driving the screw (220) to rotate, and a limiting assembly for limiting the rotational degree of freedom of the push block (230);
the piston assembly (320) moves synchronously with the push block (230).
3. The coating fluid filtering device of claim 2, wherein the piston assembly (320) is removably attached to the push block (230).
4. The coating fluid filtering device according to claim 3, wherein the power module (200) further comprises a clamping assembly (250), the clamping assembly (250) being mounted on the push block (230) and being capable of clamping the piston assembly (320);
the clamping assembly (250) moves synchronously with the push block (230).
5. The coating fluid filtering device according to claim 4, wherein the clamping assembly (250) comprises a first clamping arm (251), a second clamping arm (252) and a locking member (253) for locking the first clamping arm (251) and the second clamping arm (252), the first clamping arm (251) and the second clamping arm (252) can be opened and closed relatively, the first clamping arm and the second clamping arm are closed to form a clamping cavity, the piston assembly (320) comprises a piston positioned inside the supply cylinder (310) and a piston rod fixedly connected with the piston, and the piston rod is positioned in the clamping cavity.
6. The coating fluid filtering device according to any of claims 1-5, further comprising a control module, wherein the first control valve (700), the second control valve (900) and the power module (200) are connected to the control module.
7. The coating liquid filtering device according to any one of claims 1 to 5, wherein the filter (600) is provided on a pipe between the second control valve (900) and the liquid trap (500).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810738630.7A CN110681538B (en) | 2018-07-06 | 2018-07-06 | Coating liquid filtering device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810738630.7A CN110681538B (en) | 2018-07-06 | 2018-07-06 | Coating liquid filtering device |
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| Publication Number | Publication Date |
|---|---|
| CN110681538A CN110681538A (en) | 2020-01-14 |
| CN110681538B true CN110681538B (en) | 2021-02-02 |
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| CN201810738630.7A Active CN110681538B (en) | 2018-07-06 | 2018-07-06 | Coating liquid filtering device |
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| JP4218376B2 (en) * | 2003-03-12 | 2009-02-04 | 東レ株式会社 | Coating method and manufacturing method of display member |
| CN201379060Y (en) * | 2008-12-26 | 2010-01-13 | 湖北中烟工业有限责任公司 | Reconstituted tobacco coating liquid filter system |
| CN204219839U (en) * | 2014-11-21 | 2015-03-25 | 惠州圣帕新材料有限公司 | A kind of coating fluid filters defoaming system |
| CN204522485U (en) * | 2015-01-09 | 2015-08-05 | 昆山福泰涂布科技有限公司 | A kind of coating fluid device for filtering impurities |
| CN104524835B (en) * | 2015-01-28 | 2016-06-22 | 中山市金田机电有限公司 | A kind of filter mechanism of coating machine |
| CN106423755B (en) * | 2016-11-22 | 2019-06-25 | 京东方科技集团股份有限公司 | Coating apparatus, the method and its clean method that coating fluid is recycled using it |
| CN106925492B (en) * | 2017-03-20 | 2019-04-05 | 京东方科技集团股份有限公司 | Coating fluid recyclable device and coating system |
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2018
- 2018-07-06 CN CN201810738630.7A patent/CN110681538B/en active Active
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