CN219251910U

CN219251910U - Piezoelectric injection valve feeding filter equipment

Info

Publication number: CN219251910U
Application number: CN202320803150.0U
Authority: CN
Inventors: 周艳伟; 王雨; 陈金伟; 张洪瑄
Original assignee: Hebei Peng Crown Polytron Technologies Inc
Current assignee: Hebei Peng Crown Polytron Technologies Inc
Priority date: 2023-04-12
Filing date: 2023-04-12
Publication date: 2023-06-27
Anticipated expiration: 2033-04-12

Abstract

The application provides a piezoelectricity injection valve feeding filter equipment, include: the injection valve body comprises a feed inlet and a discharge outlet, and a nozzle is arranged at the discharge outlet; the rubber tube is respectively communicated with the feed inlet through two liquid guide tubes; the filtering mechanism is arranged on the liquid guide tube and comprises a filtering component and a cleaning component for cleaning the filtering component; and the electromagnetic valve is arranged on the liquid guide tube and positioned between the rubber tube and the filtering mechanism and used for controlling the on-off of the liquid guide tube. The utility model provides a piezoelectricity injection valve feeding filter equipment has can clear up filtering component, need not frequently to change filtering component and still keep device normal operating when a set of filtering component clear up, labour saving and time saving, advantage that production efficiency is high.

Description

Piezoelectric injection valve feeding filter equipment

Technical Field

The present disclosure relates generally to the field of piezoelectric injection valve technology, and in particular, to a piezoelectric injection valve feed filter device.

Background

The injection valve utilizes the characteristics of piezoelectric materials, generates mechanical force through voltage, and opens when the piezoelectric materials below are charged; when the piezoelectric material above is charged, the valve closes.

The feeding interface of the injection valve is directly connected to the rubber tube, and the rubber solution in the rubber tube is sent to the nozzle to be discharged under the pressure action of the air source. However, in actual operation, the same phenomenon of different glue quality (such as factory inspection, etc.) or phenomenon of internal breeding impurities caused by long storage time can be encountered, so that in order to better discharge glue, the glue has better consistency, and the filter device is necessary to be added to the glue.

The means that traditional injection valve realized filtering objective is usually to add and establishes the filter screen, but along with the growth of live time, the filter screen is blocked by impurity easily, needs to change often to filter, wastes time and energy, and can influence injection valve normal use again when changing the filter screen, causes the problem of production efficiency decline.

Disclosure of Invention

In view of the above-described drawbacks or deficiencies of the prior art, it is desirable to provide a piezojet valve feed filtration device that addresses the above-described problems.

The application provides a piezoelectricity injection valve feeding filter equipment, include:

the injection valve comprises an injection valve body, wherein the injection valve body comprises a feed inlet and a discharge outlet, and a nozzle is arranged at the discharge outlet;

the rubber tube is respectively communicated with the feed inlet through two liquid guide tubes;

the filtering mechanism is arranged on the liquid guide tube and comprises a filtering component and a cleaning component for cleaning the filtering component;

and the electromagnetic valve is arranged on the liquid guide tube and positioned between the rubber tube and the filtering mechanism and used for controlling the on-off of the liquid guide tube.

According to the technical scheme provided by the embodiment of the application, the filtering assembly comprises:

the shell is sleeved on the liquid guide pipe and is communicated with the liquid guide pipe;

the two layers of filter screens are arranged along the conducting direction of the shell and are respectively and movably connected with the inner side wall of the shell;

wherein, the mesh size of the filter screen relatively far away from the rubber tube is smaller than that of the filter screen relatively close to the rubber tube.

According to the technical scheme that this application embodiment provided, the casing inside wall is provided with the spout, the filter screen side be equipped with the lug that the spout corresponds, the lug with spout sliding connection, the slip direction is on a parallel with the radial direction of casing.

According to the technical scheme that this application embodiment provided, be provided with on the casing lateral wall and be used for taking out the opening of filter screen, the opening part is provided with the fly leaf, the fly leaf with filter screen fixed connection, the fly leaf with casing lateral wall can dismantle the connection.

According to the technical scheme provided by the embodiment of the application, the cleaning assembly comprises:

the moving rods are arranged on two sides, close to and far away from the rubber tubes, of each filter screen, the moving rods are connected with the shell in a sliding mode, one ends of the moving rods extend into the shell, and the sliding direction of the moving rods is parallel to the surfaces of the filter screens;

the pushing plate is fixedly connected with one end of the moving rod extending into the shell and is used for pushing impurities on the filter screen;

and the first driving device is used for driving the moving rod to move.

According to the technical scheme provided by the embodiment of the application, one side of the push plate, which is close to the filter screen, is provided with the hairbrush.

According to the technical scheme that this application embodiment provided, be located two of same filter screen both sides keep away from relatively in the push pedal of one side of rubber tube installs the baffle on, the baffle is on a parallel with the filter screen sets up.

According to the technical scheme provided by the embodiment of the application, an opening is formed in the side surface, opposite to the side, where the moving rod extends, of the shell, corresponding to each pushing plate, and a sealing door is arranged at the opening and used for discharging the impurities; the door is driven to be opened or closed by a second driving device.

According to the technical scheme that this application embodiment provided, be located same be provided with the deflector between two sealing doors of filter screen both sides, the deflector is to keeping away from rubber tube one side slope setting.

According to the technical scheme provided by the embodiment of the application, two collection boxes are detachably arranged on the outer side wall of the shell, and the two collection boxes correspond to the sealing door.

Compared with the prior art, the beneficial effect of this application lies in: through setting up on the catheter filtering mechanism, filtering mechanism includes filter element and clearance subassembly, makes filter element can filter the glue solution that passes through the catheter, clearance subassembly can be when filter element takes place to block up filter element clear up, need not to take off filter element and clear up, reduces filter element's change frequency, labour saving and time saving; the two liquid guide pipes are respectively communicated with the injection valve body and the rubber pipe, so that the rubber pipe can respectively provide the rubber solution for the injection valve body through two pipelines, and the rubber supply efficiency is improved; through set up the solenoid valve on the catheter between rubber tube and injection valve body for two catheters of steerable switch on simultaneously when using, also steerable two catheters switch on respectively, and then can turn off the catheter that the filter module that needs to clear up is located when the filter module in one of them filter mechanism needs to clear up, supplies the glue by another catheter, guarantees that production process can not terminate because of the filter module clearance, improves production efficiency.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the following drawings, in which:

FIG. 1 is a schematic diagram of a piezoelectric injection valve feed filter device provided herein;

FIG. 2 is an enlarged schematic view of the right side filter mechanism of the piezo jet valve feed filter apparatus of FIG. 1;

FIG. 3 is a schematic view of the internal structure of the filter mechanism shown in FIG. 2;

FIG. 4 is an enlarged schematic view of the structure shown at A in FIG. 3;

reference numerals: 1. an injection valve body; 2. a nozzle; 3. a rubber tube; 4. a catheter; 5. an electromagnetic valve; 6. a housing; 61. a chute; 7. a filter screen; 71. a bump; 8. a movable plate; 9. a moving rod; 10. a push plate; 11. a first driving device; 12. a brush; 13. a baffle; 14. sealing the door; 15. a guide plate; 16. a collection box; 17. a hook.

Detailed Description

The present application is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be noted that, for convenience of description, only the portions related to the utility model are shown in the drawings.

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Referring to fig. 1-4, the present application provides a piezoelectric injection valve feed filter device, comprising:

the injection valve comprises an injection valve body 1, wherein the injection valve body 1 comprises a feed inlet and a discharge outlet, and a nozzle 2 is arranged at the discharge outlet;

the rubber tube 3 is communicated with the feed inlet through two liquid guide tubes 4 respectively;

a filter mechanism arranged on the catheter 4, the filter mechanism comprising a filter assembly and a cleaning assembly for cleaning the filter assembly;

and the electromagnetic valve 5 is arranged on the liquid guide tube 4 and is positioned between the rubber tube 3 and the filtering mechanism and used for controlling the on-off of the liquid guide tube 4.

Specifically, the rubber tube 3 is communicated with external rubber supply equipment, the outlets of the rubber tube 3 are respectively communicated with one ends of two liquid guide tubes 4, the other ends of the two liquid guide tubes 4 are respectively communicated with the feed inlet of the injection valve body 1, and the discharge port of the injection valve body 1 is provided with a nozzle 2 for discharging rubber solution; each liquid guide tube 4 is provided with a solenoid valve 5, and the solenoid valves 5 are arranged between the rubber tube 3 and the filtering mechanism and are used for controlling the on-off of the liquid guide tubes 4; the filter mechanism includes a filter assembly and a cleaning assembly.

The filter assembly comprises a shell 6 and two layers of filter screens 7; the shell 6 is sleeved on the liquid guide pipe 4 and is communicated with the liquid guide pipe 4, a filtering space is formed inside the shell 6, and the filter screens 7 at two sides are arranged along the conducting direction of the filtering space; the two filter screens 7 are arranged in parallel, the mesh size of the filter screen 7 relatively far away from the rubber tube 3 is smaller than that of the filter screen 7 relatively close to the filter screen 7, and the filter effect of the filter screen 7 relatively far away from the rubber tube 3 is stronger than that of the filter screen 7 close to the rubber tube 3, so that graded filtration can be realized, impurities with larger volume are blocked at the position of the filter screen 7 close to the rubber tube 3, impurities with smaller volume are blocked at the position of the filter screen 7 far away from the rubber tube 3, the filter efficiency is effectively improved, and the cleaning is convenient; the side of the filter screen 7 is provided with a lug 71, the inner side wall of the shell 6 is provided with a sliding groove 61 corresponding to the lug 71, the lug 71 is slidable in the sliding groove 61, the sliding direction is parallel to the radial direction of the shell 6, and the movable connection between the filter screen 7 and the shell 6 is realized through the cooperation of the lug 71 and the sliding groove 61, so that the filter screen 7 is conveniently taken out.

Further, an opening for taking out the filter screen 7 is formed in the side wall of the shell 6, a movable plate 8 is arranged at the opening, one side, close to the filter screen 7, of the movable plate 8 penetrates through the opening and is fixedly connected with the filter screen 7, and the movable plate 8 is detachably connected with the outer side wall of the shell 6 through bolts; when the filter screen 7 needs to be taken out, the filter screen 7 is taken out by means of the movable plate 8 by loosening bolts.

The cleaning assembly comprises a movable rod 9, a push plate 10 and a first driving device 11; each filter screen 7 corresponds to two movable rods 9, the two movable rods 9 are respectively arranged on two sides, close to the rubber tube 3, of the filter screen 7 and far away from the rubber tube 3, of the filter screen 7, the movable rods 9 are in sliding connection with the side wall of the shell 6, one end of each movable rod extends into the shell 6, and the sliding direction of each movable rod is parallel to the surface of the filter screen 7; the first driving devices 11 are provided with two groups and are respectively arranged on the outer side wall of the shell 6, and optionally, the first driving devices 11 are servo motors, gears are arranged on output shafts of the motors, racks corresponding to the gears are arranged on the moving rods 9, and each first driving device 11 is respectively in transmission connection with the moving rods 9 on two sides of the same filter screen 7 in a gear-rack mode and is used for driving the moving rods 9 to extend into or extend out of the shell 6; the push plate 10 is fixedly installed on one side of the moving rod 9 extending into the shell 6, the push plate 10 is perpendicular to the surface of the filter screen 7 and perpendicular to the moving rod 9, and the push plate 10 extends into the shell 6 through the moving rod 9 so as to drive the push plate 10 to push impurities on the filter screen 7 to move and clean the impurities on the surface of the filter screen 7.

Further, brushes 12 are disposed on two sides of the push plate 10 on two sides of the filter screen 7, near one side of the filter screen 7, one end of each brush 12 is fixedly connected with the push plate 10, and the other end of each brush extends into meshes of the filter screen 7 to clean impurities in the meshes of the filter screen 7.

Further, a baffle 13 is installed on the push plate 10 which is relatively far away from the rubber tube 3 of the two push plates 10 positioned at two sides of the filter screen 7, and the baffle 13 is arranged parallel to the filter screen 7; by providing the baffle 13, the impurities falling from the filter screen 7 can be caught, and the impurities are prevented from falling into the liquid guide tube 4.

Further, an opening is formed in the side surface, opposite to the side, where the moving rod 9 extends, of the housing 6, corresponding to each time push plate 10, a sealing door 14 is formed in the opening, the sealing door 14 is hinged to the side wall of the housing 6, the sealing door 14 is driven to open or close by a second driving device, and the second driving device is not shown in the drawing; by providing the shutter 14, the foreign matter can be discharged out of the housing 6 by opening the shutter 14 after the push plate 10 pushes the foreign matter to move.

Further, a guide plate 15 is arranged between the two sealing doors 14 positioned on two sides of the same filter screen 7, and the guide plate 15 is fixedly connected with the side wall of the shell 6 and inclines to one side far away from the rubber tube 3; by providing the guide plate 15, impurities discharged from the door 14 relatively close to the hose 3 are prevented from falling on the baffle 13.

Further, a collection box 16 is arranged on the outer side wall of the shell 6, two collection boxes 16 are arranged, two collection boxes 16 are respectively arranged corresponding to the positions of the two filter screens 7, and each collection box 16 covers two sealing doors 14 corresponding to the two sides of the filter screen 7 and is used for collecting impurities discharged from the positions of the sealing doors 14; the collection box 16 is provided with a hook 17, and the collection box 16 can be hung on the outer side wall of the shell 6 through the hook 17, so that the collection box 6 can be conveniently detached.

Working principle: through setting up on catheter 4 filtering mechanism, filtering mechanism includes filter element and clearance subassembly for filter element can filter the glue solution that passes through catheter 4, clearance subassembly can be when filter element takes place to block up filter element is cleared up, need not to take off filter element and clear up, reduces filter element's change frequency, labour saving and time saving; by arranging two liquid guide pipes 4 to be respectively communicated with the injection valve body 1 and the rubber pipe 3, the rubber pipe 3 can respectively provide glue liquid for the injection valve body 1 through two pipelines, and the glue supply efficiency is improved; through set up solenoid valve 5 on the catheter 4 between rubber tube 3 and injection valve body 1 for two catheters 4 are switched on simultaneously when using, also can control two catheters 4 and switch on respectively, and then can be when the filter component in one of them filter mechanism needs the clearance, turn off the catheter 4 at filter component place that needs the clearance, supply the glue by another catheter 4, guarantee that the production process can not terminate because of the filter component clearance, improve production efficiency.

The foregoing description is only of the preferred embodiments of the present application and is presented as a description of the principles of the technology being utilized. It will be appreciated by persons skilled in the art that the scope of the utility model referred to in this application is not limited to the specific combinations of features described above, but it is intended to cover other embodiments in which any combination of features described above or equivalents thereof is possible without departing from the spirit of the utility model. Such as the above-described features and technical features having similar functions (but not limited to) disclosed in the present application are replaced with each other.

Claims

1. A piezojet feed filtration device, comprising:

the injection valve comprises an injection valve body (1), wherein the injection valve body (1) comprises a feed inlet and a discharge outlet, and a nozzle (2) is arranged at the discharge outlet;

the rubber tube (3) is respectively communicated with the feed inlet through two liquid guide tubes (4);

the filtering mechanism is arranged on the liquid guide tube (4) and comprises a filtering component and a cleaning component for cleaning the filtering component;

the electromagnetic valve (5) is arranged on the liquid guide tube (4) and is positioned between the rubber tube (3) and the filtering mechanism and used for controlling the on-off of the liquid guide tube (4).

2. The piezojet feed filtration device of claim 1, wherein the filtration assembly comprises:

the shell (6) is sleeved on the liquid guide tube (4) and is communicated with the liquid guide tube (4);

the two layers of filter screens (7) are arranged along the conducting direction of the shell (6) and are respectively and movably connected with the inner side wall of the shell (6);

wherein the mesh size of the filter screen (7) relatively far from the rubber tube (3) is smaller than the mesh size of the filter screen (7) relatively close to the rubber tube (3).

3. The piezoelectric injection valve feeding filtering device according to claim 2, characterized in that a chute (61) is arranged on the inner side wall of the shell (6), a lug (71) corresponding to the chute (61) is arranged on the side surface of the filter screen (7), the lug (71) is slidably connected with the chute (61), and the sliding direction is parallel to the radial direction of the shell (6).

4. The piezoelectric injection valve feeding filtering device according to claim 2, characterized in that an opening for taking out the filter screen (7) is arranged on the side wall of the shell (6), a movable plate (8) is arranged at the opening, the movable plate (8) is fixedly connected with the filter screen (7), and the movable plate (8) is detachably connected with the outer side wall of the shell (6).

5. The piezojet feed filtration device of claim 2, wherein the cleaning assembly comprises:

the moving rods (9) are arranged on two sides, close to and far away from the rubber tubes (3), of each filter screen (7), the moving rods (9) are connected with the shell (6) in a sliding mode, one ends of the moving rods extend into the shell (6), and the sliding direction of the moving rods is parallel to the surface of the filter screen (7);

the pushing plate (10) is fixedly connected with one end of the moving rod (9) extending into the shell (6) and is used for pushing impurities on the filter screen (7);

-first driving means (11), said first driving means (11) being adapted to drive the movement of said movement bar (9).

6. The piezoelectric injection valve feed filter device according to claim 5, characterized in that a brush (12) is arranged on the side of the push plate (10) close to the filter screen (7).

7. The piezoelectric injection valve feeding filter device according to claim 5, characterized in that a baffle plate (13) is mounted on the push plate (10) on the side relatively far away from the rubber tube (3) of the two push plates (10) positioned on both sides of the same filter screen (7), and the baffle plate (13) is arranged parallel to the filter screen (7).

8. The piezoelectric jet valve feed filter device according to any one of claims 5 to 7, characterized in that said housing (6) is provided with an opening corresponding to each push plate (10) on the side opposite to the side where said moving rod (9) extends, said opening being provided with a shutter (14) for discharging said impurities; the door (14) is driven to open or close by a second driving device.

9. The piezoelectric injection valve feeding filter device according to claim 8, characterized in that a guide plate (15) is arranged between two sealing doors (14) positioned on two sides of the same filter screen (7), and the guide plate (15) is obliquely arranged on one side far away from the rubber tube (3).

10. The piezojet valve feed filtration device of claim 8, wherein a collection box (16) is detachably mounted on the outer side wall of the housing (6), said collection box (16) being disposed in correspondence with the shutter (14).