CN219198285U

CN219198285U - Two-position two-way electromagnetic valve of ink jet printer

Info

Publication number: CN219198285U
Application number: CN202223613360.8U
Authority: CN
Inventors: 王英豪; 罗芳
Original assignee: Yongjia Industrial Technology Guangdong Co ltd
Current assignee: Yongjia Industrial Technology Guangdong Co ltd
Priority date: 2022-12-31
Filing date: 2022-12-31
Publication date: 2023-06-16
Anticipated expiration: 2032-12-31

Abstract

The utility model discloses a two-position two-way electromagnetic valve of a code spraying machine, and belongs to the technical field of code spraying machines. The two-position two-way electromagnetic valve of the ink jet numbering machine comprises a valve seat, a valve seat rubber plug assembly, a valve core, a spring, a valve cavity, a sealing sleeve, a clamp spring and an electromagnetic valve coil; the valve seat is provided with an A-port channel, a P-port channel and a valve seat inner cavity; the valve seat is characterized in that the opening A channel is communicated with the valve seat inner cavity, a conical raised head structure is arranged at the bottom of the valve seat inner cavity, the conical raised head structure is provided with a hollow channel, the hollow channel is connected with the opening P channel, one end of the valve core is connected with the conical raised head structure in a telescopic and propped manner through the spring, and the other end of the valve core is connected with the valve cavity in a matched manner. The two-position two-way electromagnetic valve structure of the ink jet printer simplifies the design of an O port, reduces pressure load, shortens pressure buffering time, enhances the instant pressure of ink ejected from a nozzle, directly reduces the fault of the ink jet printer, and improves the running stability of the printer.

Description

Two-position two-way electromagnetic valve of ink jet printer

Technical Field

The utility model belongs to the technical field of ink jet printers, and particularly relates to a two-position two-way electromagnetic valve of an ink jet printer.

Background

The ink on the ink jet printer needs to realize flow direction, flow speed and pressure control in different pipelines, so that electromagnetic valves are needed on the ink jet printer. The electromagnetic valve is an automatic element for controlling fluid, and when the electromagnetic valve works, under the control of software according to various different requirements of the code spraying machine, in the scene application of different scenes, the two-position tee joint is switched between A, O, P ports, so that the on-off control of ink in the code spraying ink path is realized. The solenoid valve in the present market adopts two-position three-way solenoid valve, and two-position three-way break-make needs to be changed between A, O, P mouths, but in different scene applications, three-way solenoid valve has the phenomenon that O mouth is sealed instead, leads to frequently sending some trouble phenomena, and the preceding three-way solenoid valve is stainless steel base's solenoid valve, has following problem: 1) The stainless steel base electromagnetic valve has the problem of leakage due to the corrosiveness of ink after being used for a period of time due to the welding process. 2) And the volume is too big, manufacturing cost is high, and inside is difficult for carrying out the sanitization, can lead to the ink jet numbering machine to block up. 3) Because of the special nature of the stainless steel, the processing technology is difficult, so that the defective rate is high, and the overall manufacturing cost is increased. 4) Excessive replacement of parts causes an increase in the cost of maintenance of the equipment. 5) The volume is big, and the shower nozzle is installed and is not gone down, has restricted relevant function and has utilized. 6) The O port of the special application scene is not sealed, and faults frequently occur. Based on the above-mentioned drawbacks of the existing two-position three-way electromagnetic valve, there is a need to develop a suitable electromagnetic valve.

Disclosure of Invention

Based on the problems, the utility model aims to provide a two-position two-way electromagnetic valve of a code spraying machine, which aims to solve the defect problems of the two-position three-way electromagnetic valve of the existing code spraying machine.

In order to achieve the above purpose, the present utility model proposes the following technical scheme:

a two-position two-way electromagnetic valve of a code spraying machine comprises a valve seat, a valve seat rubber plug assembly, a valve core, a spring, a valve cavity, a sealing sleeve, a clamp spring and an electromagnetic valve coil;

the valve seat is provided with an A-port channel, a P-port channel and a valve seat inner cavity; the valve seat rubber plug assembly is arranged in the valve seat inner cavity; one end of the valve core is connected with the conical raised head structure in a telescopic and propped way through the spring, the other end of the valve core is connected with the valve cavity in a matched mode, a sealing sleeve is arranged at the matched position of the valve core and the valve cavity, a clamping groove is formed in the outer end of the valve cavity, and the clamping spring is connected with the clamping groove in a matched mode; the solenoid valve coil is sleeved outside the valve core and the valve cavity, one end of the solenoid valve coil is propped against the valve seat and connected, and the other end of the solenoid valve coil is propped against the clamp spring.

In a preferred embodiment, the valve seat is provided with two through holes, and the through holes are fixed with the upper cover plate screw threads through screws.

As a preferred embodiment, the plane where the inlets of the A port channel and the P port channel are located is provided with a valve seat sealing ring placing groove, and the valve seat sealing ring is placed in the valve seat sealing ring placing groove, so that the port is sealed when the electromagnetic valve is connected with the upper cover plate.

As a preferred embodiment, the valve seat is a valve seat of a thermoplastic engineering plastic integrally molded structure, and further preferably, the valve seat is a valve seat of a PEEK (polyether ether ketone) integrally molded structure.

As a preferred embodiment, four vertical mirror structures are uniformly arranged on the outer surface of the valve core, and the vertical mirror structures can reduce spring resistance.

As a preferred embodiment, one end of the valve core, which is close to the valve seat, is provided with a valve core groove structure matched with the spring.

As a preferred embodiment, one end of the valve core, which is close to the valve seat, is provided with a valve core cavity, and the valve core cavity is matched with the conical raised head structure; under the condition of electrifying, the valve core mechanically moves under the action of a magnetic field of the electromagnetic valve coil, the P port channel is opened, and the A port channel and the P port channel are in a normally open state for circulation; under the non-energized state, the spring drives the valve core to block the P-port channel, and the P-port channel is in a closed state.

As the preferred implementation mode, the electromagnetic valve coil comprises a non-magnetic sleeve and a spool, wherein the non-magnetic sleeve and the spool are arranged close to each other, so that N, S poles are opposite, the magnetic field in the middle of the spool is enhanced, the response time of the spool is shortened, and A, P ports of on-off control is realized rapidly.

As a preferred embodiment, a first through hole is provided in the valve seat rubber plug assembly, and the valve core passes through the first through hole of the valve seat rubber plug assembly.

As a preferable implementation mode, the P port of the P port channel is connected with an ink supply pipe and an automatic cleaning pipe, and the A port of the A port channel is connected with a punching pipe.

The valve core is driven by a spring to block a conical raised head structure port of the valve seat in a non-energized state, so that a P port end of the P port channel is in a closed state; under the condition of electrifying, the valve core mechanically moves under the action of the magnetic field of the electromagnetic valve coil, the P port channel is opened, and the A port channel and the P port channel are in a normally open state for circulation.

The valve seat of the two-position two-way electromagnetic valve of the ink jet printer adopts a PEEK plastic mold opening, the mold opening valve seat adopts a two-position two-way design, the valve core and the valve cavity adopt 316 stainless steel, and a nonmagnetic high-elasticity spring is adopted, the electromagnetic valve of the structure has the appearance size reduced to 14 millimeters in diameter and 38 millimeters in length, the size of the electromagnetic valve accords with the installation size of a spray head, the valve core, the valve seat and the valve seat are assembled, the disassembly and the cleaning are convenient, the service life of the electromagnetic valve is prolonged, the valve seat designed by opening A and closing P is suitable for the requirement of pipeline change of the ink jet printer, the functions of ink supply, automatic cleaning, nozzle opening and the like can be compatible by removing an O port, the probability of adhesion with ink is effectively reduced, the problem of O port fault is solved, and the fault rate is reduced.

The two-position two-way electromagnetic valve of the ink jet printer has the advantages of structurally changing, simplifying the design of an O port, relieving pressure load, shortening pressure buffering time, shortening valve core action response time, enhancing the instant pressure of ink ejected from a nozzle, directly reducing the faults of the ink jet printer, improving the running stability of the printer and saving production and after-sale costs.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a two-position two-way solenoid valve of a code spraying machine according to an embodiment of the utility model;

fig. 2 is a schematic top view of a two-position two-way electromagnetic valve of the code spraying machine according to an embodiment of the utility model;

FIG. 3 is a schematic cross-sectional view of section A-A of FIG. 2;

fig. 4 is an exploded schematic view of a two-position two-way electromagnetic valve of a code spraying machine according to an embodiment of the utility model.

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, if directional indications (such as up, down, left, right, front, back, top, bottom … …) are included in the embodiments of the present utility model, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.

In this application, unless specifically stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

The existing three-way electromagnetic valve is an electromagnetic valve with a stainless steel base, and has the following problems: 1) The stainless steel base electromagnetic valve has the problem of leakage due to the corrosiveness of ink after being used for a period of time due to the welding process. 2) And the volume is too big, manufacturing cost is high, and inside is difficult for carrying out the sanitization, can lead to the ink jet numbering machine to block up. 3) Because of the special nature of the stainless steel, the processing technology is difficult, so that the defective rate is high, and the overall manufacturing cost is increased. 4) Excessive replacement of parts causes an increase in the cost of maintenance of the equipment. 5) The volume is big, and the shower nozzle is installed and is not gone down, has restricted relevant function and has utilized. 6) The O port of the special application scene is not sealed, and faults frequently occur. Based on the defect problem of the existing two-position three-way electromagnetic valve, the utility model provides a two-position two-way electromagnetic valve of a code spraying machine.

As shown in fig. 1 to 4, the utility model provides a two-position two-way electromagnetic valve of an ink jet printer, which comprises a valve seat 1, a valve seat rubber plug assembly 2, a valve core 3, a spring 4, a valve cavity 5, a sealing sleeve 6, a clamp spring 7 and an electromagnetic valve coil 8;

an A-port channel 11, a P-port channel 12 and a valve seat inner cavity 13 are arranged on the valve seat 1; the A port channel 11 is communicated with the valve seat inner cavity 13, a conical raised head structure 14 is arranged at the bottom of the valve seat inner cavity 13, the conical raised head structure 14 is provided with a hollow channel 15, the hollow channel 15 is connected with the P port channel 12, and the valve seat rubber plug assembly 2 is arranged in the valve seat inner cavity 13; one end of the valve core 3 is connected with the conical raised head structure 14 in a telescopic and propped way through the spring 4, the other end of the valve core 3 is connected with the valve cavity 5 in a matching way, a sealing sleeve 6 is arranged at the matching position of the valve core 3 and the valve cavity 5, a clamping groove 51 is arranged at the external one end of the valve cavity 5, and the clamping spring 7 is connected with the clamping groove 51 in a matching way; the electromagnetic valve coil 8 is sleeved outside the valve core 3 and the valve cavity 5, one end of the electromagnetic valve coil 8 is propped against the valve seat 1 and connected, and the other end of the electromagnetic valve coil 8 is propped against the clamp spring 7.

In a preferred embodiment, through holes 16 are provided in the valve seat 1, preferably two through holes 16, and the through holes 16 are fixed with the upper cover plate screw threads by screws.

As a preferred embodiment, the plane of the inlets of the port a channel 11 and the port P channel 12 is provided with a valve seat sealing ring placing groove 17 for placing a valve seat sealing ring, so as to seal a port when the electromagnetic valve is connected with the upper cover plate.

As a preferred embodiment, the valve seat 1 is a valve seat of a thermoplastic engineering plastic integrally molded structure, and further preferably, the valve seat 1 is a valve seat of a PEEK (polyetheretherketone) integrally molded structure.

As a preferred embodiment, the valve core 3 is made of 316 stainless steel, and is polished by passivation; four vertical mirror structures 31 are uniformly arranged on the outer surface of the valve core 3, and the vertical mirror structures 31 can reduce spring resistance.

As a preferred embodiment, the end of the valve core 3 near the valve seat 1 has a core groove structure 32 matching with the spring 4.

As a preferred embodiment, the end of the valve core 3 near the valve seat 1 is provided with a valve core cavity 33, and the valve core cavity 33 is matched with the conical raised head structure 14; under the condition of electrifying, the valve core 3 mechanically moves under the action of the magnetic field of the electromagnetic valve coil 8, the P port channel 12 is opened, and the A port channel 11 and the P port channel 12 are in a normally open state for circulation; under the non-energized state, the spring drives the valve core 3 to block the P-port channel 12, and the P-port channel is in a closed state.

In a preferred embodiment, the valve cavity 5 is made of 316 stainless steel, and the clamping groove 51 of the valve cavity 5 is structured to fix the valve cavity 5 and the solenoid valve coil 8 without falling off.

As a preferred embodiment, the electromagnetic valve coil 8 comprises a non-magnetic sleeve and a spool, the non-magnetic sleeve and the spool are arranged close to each other, so that N, S poles are opposite, the magnetic field in the middle of the spool is enhanced, the response time of the spool is shortened, and A, P ports of on-off control is realized rapidly.

As a preferred embodiment, the valve seat rubber plug assembly 2 is provided with a first through hole 21, and the valve core 3 passes through the first through hole 21 of the valve seat rubber plug assembly 2.

As a preferable embodiment, the P port of the P port channel 12 is connected to an ink supply pipe and an automatic cleaning pipe, and the a port of the a port channel 11 is connected to a pumping pipe.

The port A of the port A channel 11 of the two-position two-way electromagnetic valve is an open end, and in the non-energized state, the valve core 3 is driven by a spring to block the port of the conical raised head structure 14 of the valve seat 1, so that the port P end of the port P channel 12 is in a closed state; under the condition of electrifying, the valve core 3 mechanically moves under the action of the magnetic field of the electromagnetic valve coil 8, the P port channel 12 is opened, and the A port channel 11 and the P port channel 12 are in a normally open state for circulation.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims

1. A two-position two-way electromagnetic valve of a code spraying machine is characterized in that: the valve seat comprises a valve seat body, a valve seat rubber plug assembly, a valve core, a spring, a valve cavity, a sealing sleeve, a clamping spring and a solenoid valve coil; the valve seat is provided with an A-port channel, a P-port channel and a valve seat inner cavity; the valve seat rubber plug assembly is arranged in the valve seat inner cavity; one end of the valve core is connected with the conical raised head structure in a telescopic and propped way through the spring, the other end of the valve core is connected with the valve cavity in a matched mode, a sealing sleeve is arranged at the matched position of the valve core and the valve cavity, a clamping groove is formed in the outer end of the valve cavity, and the clamping spring is connected with the clamping groove in a matched mode; the solenoid valve coil is sleeved outside the valve core and the valve cavity, one end of the solenoid valve coil is propped against the valve seat and connected, and the other end of the solenoid valve coil is propped against the clamp spring.

2. The two-position two-way electromagnetic valve of the ink jet printer according to claim 1, wherein: the valve seat is provided with two through holes, and the through holes are fixed with the upper cover plate screw teeth through screws.

3. The two-position two-way electromagnetic valve of the ink jet printer according to claim 1, wherein: and a valve seat sealing ring placing groove is formed in the plane where the inlets of the A port channel and the P port channel are located.

4. The two-position two-way electromagnetic valve of the ink jet printer according to claim 1, wherein: the valve seat is of an integrally formed structure made of thermoplastic engineering plastics.

5. The two-position two-way electromagnetic valve of the ink jet printer according to claim 1, wherein: four vertical mirror structures are uniformly arranged on the outer surface of the valve core.

6. The two-position two-way electromagnetic valve of the ink jet printer according to claim 1, wherein: and one end of the valve core, which is close to the valve seat, is provided with a valve core groove structure matched with the spring.

7. The two-position two-way electromagnetic valve of the ink jet printer according to claim 1, wherein: the valve core is provided with a valve core cavity at one end close to the valve seat, and the valve core cavity is matched with the conical raised head structure.

8. The two-position two-way electromagnetic valve of the ink jet printer according to claim 1, wherein: the valve seat rubber plug assembly is provided with a first through hole, and the valve core penetrates through the first through hole of the valve seat rubber plug assembly.