CN213947865U

CN213947865U - Environment-friendly printing head for printing

Info

Publication number: CN213947865U
Application number: CN202021271735.5U
Authority: CN
Inventors: 杜训
Original assignee: Jiangsu Qipilang Printing Co ltd
Current assignee: Jiangsu Qipilang Printing Co ltd
Priority date: 2020-07-01
Filing date: 2020-07-01
Publication date: 2021-08-13
Anticipated expiration: 2030-07-01

Abstract

The utility model belongs to the technical field of printing machine, especially, for an environment-friendly printing head for printing, including printing head main part and quick change shower nozzle, the printing head main part is the body structure, the middle part activity of printing head main part inner chamber is run through there is the valve shaft, the both sides fixedly connected with valve plate of valve shaft, the valve shaft protrusion is in the one end fixedly connected with worm wheel dish of printing head main part surface, the avris of printing head main part passes through support fixedly connected with worm axle, worm axle meshing worm wheel dish, the front end of printing head main part is equipped with the nut mouth, the nut mouth closes soon to be connected the external screw pipe of quick change shower nozzle tail end. The utility model discloses a keep off the material cover and block the injection fluid, avoid its four scattered injections to keep off the material cover gradually the opening and be equipped with the breach, its breach position is aimed at the position that needs to spray the printing, and all the other positions block the printing coating that splashes everywhere, have good protection and environmental protection effect.

Description

Environment-friendly printing head for printing

Technical Field

The utility model relates to the technical field of printing machinery, in particular to an environment-friendly printing head for printing.

Background

Printing is a technology of transferring printing ink to the surface of paper, textile, plastic products, leather, PVC, PC and other materials through processes of plate making, ink applying, pressurizing and the like on original documents such as characters, pictures, photos, anti-counterfeiting and the like, and copying the content of the original documents in batches; in addition to selecting proper printing materials (paper or other printing materials) and inks, the final effect of the printed matter needs to be completed by a proper printing mode, so that a corresponding printing machine is needed; the printing types are various, the methods are different, the operation is different, the cost and the effect are different, and especially the printing effect is directly influenced by the adjustment of the precision of a printing head for printing.

The current printing heads for printing suffer from the following problems:

1. when the existing printing head for printing is used for jet printing, the jetted fluid paint scatters around, so that the environment of a working place is poor and the environmental protection is poor.

2. Current printing heads do not allow for precise adjustment of the fluid coating and provide poor stability of the fluid flow after adjustment.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides an environment-friendly is printing with printing head has solved present printing with printing head and has jetted the fluid coating that erupts when spraying the printing and fly off everywhere, leads to the workplace environment poor, the feature of environmental protection poor to and the regulation that fluid coating can not be accurate to the poor problem of stability of fluid flow after adjusting.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: an environment-friendly printing head for printing comprises a printing head main body and a quick-change nozzle, wherein the printing head main body is of a pipe body structure, a valve shaft penetrates through the middle of an inner cavity of the printing head main body in a movable mode, valve plates are fixedly connected to two sides of the valve shaft, one end, protruding out of the outer surface of the printing head main body, of the valve shaft is fixedly connected with a worm wheel disc, the edge side of the printing head main body is fixedly connected with a worm shaft through a support, the worm shaft is meshed with the worm wheel disc, a nut port is formed in the front end of the printing head main body and is in threaded connection with an external threaded pipe at the tail end of the quick-change nozzle, a valve ball is movably embedded at the tail end of a middle hole of the quick-change head, one side of the valve ball is blocked and connected by a blocking ring of an inner hole at the tail end of the quick-change head, a spring is connected with the middle embedded at the inner hole of the quick-change head and elastically pushes against the other side of the valve ball, and a blocking cover is clamped and fixed at the part where the printing head main body and the quick-change nozzle are in a threaded mode, and the inner ring of the material blocking cover is connected with a sealing rubber ring in an embedded manner.

As an optimal technical scheme of the utility model, the position spiral shell that is located between valve plate and the nut mouth in one side of print head main part closes the intercommunication and has the bypass pipeline, bypass pipeline intercommunication auxiliary material pipe.

As an optimal technical scheme of the utility model, the tail end fixedly connected with flange of print head main part, the avris of flange is equipped with the connecting hole, the side laminating of flange has sealed the pad.

As an optimized technical scheme of the utility model, the surface of print head main part and quick change shower nozzle is regular polygon structure.

As the utility model discloses a preferred technical scheme, keep off material cover and sealing rubber ring gomphosis structure as an organic whole, the gradual opening that keeps off the material cover is breach conical cover mouth or breach bowl type cover mouth.

(III) advantageous effects

Compared with the prior art, the utility model provides an environment-friendly is printing with printing head possesses following beneficial effect:

1. this environment-friendly is printing with printing head blocks the jet fluid through keeping off the material cover, avoids its scattered injection to keep off the gradual opening of material cover and be equipped with the breach, its breach position aims at the position that needs to spray the printing, and all the other positions block the printing coating that splashes everywhere, have good protection and environmental protection effect.

2. This environment-friendly is printing with printing head twists the worm shaft meshing worm wheel dish, and the worm wheel dish drives valve shaft and valve plate and rotates the regulation that realizes the flow, because the mechanism that worm shaft and worm wheel dish constitute has self-locking function, therefore the valve plate can be fixed in its position of being adjusted unchangeably, keeps the stability and the printing of jet fluid flow effectual.

Drawings

FIG. 1 is an exploded view of the subjective structural component of the present invention;

fig. 2 is the side-cut structure schematic diagram of the utility model.

In the figure: 1. a printhead body; 2. a valve shaft; 3. a valve plate; 4. a worm gear disc; 5. a worm shaft; 6. a nut port; 7. quickly replacing the spray head; 8. an externally threaded tube; 9. a valve ball; 10. a baffle ring; 11. a spring; 12. a material blocking cover; 13. sealing the rubber ring; 14. a bypass conduit; 15. an auxiliary material pipe; 16. a flange; 17. connecting holes; 18. and a gasket.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-2, the present invention provides the following technical solutions: an environment-friendly printing head for printing comprises a printing head main body 1 and a quick-change nozzle 7, wherein the printing head main body 1 is of a pipe body structure, a valve shaft 2 penetrates through the middle of an inner cavity of the printing head main body 1 in a movable mode, two sides of the valve shaft 2 are fixedly connected with valve plates 3, one end, protruding out of the outer surface of the printing head main body 1, of the valve shaft 2 is fixedly connected with a worm wheel disc 4, the side of the printing head main body 1 is fixedly connected with a worm shaft 5 through a support, the worm shaft 5 is meshed with the worm wheel disc 4, the front end of the printing head main body 1 is provided with a nut port 6, the nut port 6 is in threaded connection with an external threaded pipe 8 at the tail end of the quick-change nozzle 7, a valve ball 9 is movably embedded at the tail end of a hole of the quick-change nozzle 7, one side of the valve ball 9 is blocked by a blocking ring 10 of an inner hole at the tail end of the quick-change nozzle 7, a spring 11 is embedded in the middle of the inner hole of the quick-change nozzle 7, the spring elastically abuts against the other side of the valve ball 9, a material blocking cover 12 is clamped and fixed at the part where the printing head main body 1 and the quick-change nozzle 7 are in a threaded connection, the inner ring of the material blocking cover 12 is embedded and connected with a sealing rubber ring 13.

In this embodiment, during operation, a high-pressure gaseous or liquid jet fluid for printing is introduced into one end of the inner pipe of the print head main body 1, the jet fluid enters the other end of the inner pipe of the print head main body 1 in the state that the valve plate 3 is opened, then the valve ball 9 is squeezed by the pressure of the jet fluid, the valve ball 9 is separated from the retaining ring 10 by overcoming the elasticity of the spring 11, and at this time, the jet fluid enters the nozzle part of the quick-change nozzle 7 through a gap formed between the valve ball 9 and the inner hole of the quick-change nozzle 7 until the jet fluid is jetted to the surface of the object to be; the material blocking cover 12 blocks the sprayed fluid to prevent the sprayed fluid from being sprayed in a scattered manner, and has good protection and environmental protection effects; when the flow of the jet fluid needs to be adjusted, the worm shaft 5 is screwed to be meshed with the worm wheel disc 4, the worm wheel disc 4 drives the valve shaft 2 and the valve plate 3 to rotate to realize the adjustment of the flow, and the mechanism formed by the worm shaft 5 and the worm wheel disc 4 has a self-locking function, so that the valve plate 3 can be fixed in the adjusted direction and is unchanged, and the flow of the jet fluid is kept stable; when the quick-change nozzle 7 needs to be replaced to adapt to different types of printing modes, the valve plate 3 is closed by screwing the worm shaft 5, then the outer surface of the quick-change nozzle 7 is screwed to be screwed out of the nut port 6, and then the quick-change nozzle 7 needs to be replaced, and at the moment, the material blocking cover 12 and the sealing rubber ring 13 can be replaced or not replaced together according to the type of the sprayed printing materials.

Specifically, a bypass duct 14 is screwed and communicated with a portion of one side of the print head main body 1 between the valve plate 3 and the nut port 6, and the bypass duct 14 is communicated with the auxiliary tube 15.

In this embodiment, the bypass conduit 14 is connected to the auxiliary conduit 15, so that the printing-assisting slurry or particle mixture can be introduced into the main conduit of the print head main body 1 from the bypass conduit 14, and mixed with the driving gas or liquid or main printing solution introduced by the print head main body 1 to generate a new printing liquid component, thereby performing the jet printing better.

Specifically, a flange 16 is fixedly connected to the tail end of the printing head main body 1, a connecting hole 17 is formed in the side of the flange 16, and a sealing gasket 18 is attached to the side face of the flange 16.

In this embodiment, the flange 16 is connected to the nozzle of the printing machine via a connecting bore 17, wherein the sealing gasket 18 seals the connection between the two, preventing the leakage of driving gas or liquid or main printing solution from this.

Specifically, the outer surfaces of the printing head main body 1 and the quick-change nozzle 7 are regular polygon structures.

In this embodiment, the outer surfaces of the printing head main body 1 and the quick-change nozzle 7 are regular polygonal structures, so that the operator who is convenient to replace uses the wrench to clamp the outer surface of the quick-change nozzle 7 to rotate the quick-change nozzle so as to achieve the purpose of quick replacement.

Specifically, the material blocking cover 12 and the sealing rubber ring 13 are of an integral embedded structure, and the gradually opening of the material blocking cover 12 is a notch conical cover opening or a notch bowl-shaped cover opening.

In this embodiment, the material blocking cover 12 and the sealing rubber ring 13 are of an integral embedded structure, so that when the quick change nozzle 7 is replaced, the material blocking cover 12 and the sealing rubber ring 13 can be rapidly taken down or put on at the same time, and rapid replacement is realized; the gradually opening of the material blocking cover 12 is a notch conical cover opening or a notch bowl-shaped cover opening, so that the notch part is aligned to the part needing to be sprayed and printed, and the rest parts block the printing coating splashed around.

The worm wheel disk 4 and the worm shaft 5 in the present embodiment are known technologies that have been disclosed to be widely used in industrial production and daily life.

The utility model discloses a theory of operation and use flow: when the quick-change nozzle is in operation, high-pressure gas or liquid jet fluid for printing is introduced into one end of the inner pipeline of the printing head main body 1, the jet fluid enters the other end of the inner pipeline of the printing head main body 1 in the opening state of the valve plate 3, then the valve ball 9 is extruded through the pressure of the jet fluid, the valve ball 9 overcomes the elasticity of the spring 11 and is separated from the retaining ring 10, and at the moment, the jet fluid enters the nozzle part of the quick-change nozzle 7 through a gap formed between the valve ball 9 and the inner hole of the quick-change nozzle 7 until the jet fluid is jetted to the surface of an object to be printed; the material blocking cover 12 blocks the sprayed fluid to prevent the sprayed fluid from being sprayed in a scattered manner, and has good protection and environmental protection effects; when the flow of the jet fluid needs to be adjusted, the worm shaft 5 is screwed to be meshed with the worm wheel disc 4, the worm wheel disc 4 drives the valve shaft 2 and the valve plate 3 to rotate to achieve adjustment of the flow, and the mechanism formed by the worm shaft 5 and the worm wheel disc 4 has a self-locking function, so that the valve plate 3 can be fixed in the adjusted position and is unchanged, and the flow stability of the jet fluid is kept.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an environment-friendly is printed with printing head, includes printing head main part (1) and quick change shower nozzle (7), its characterized in that: the printing head main body (1) is of a pipe body structure, a valve shaft (2) penetrates through the middle of an inner cavity of the printing head main body (1) in a movable mode, valve plates (3) are fixedly connected to two sides of the valve shaft (2), a worm wheel disc (4) is fixedly connected to one end, protruding out of the outer surface of the printing head main body (1), of the valve shaft (2), a worm shaft (5) is fixedly connected to the side of the printing head main body (1) through a support, the worm shaft (5) is meshed with the worm wheel disc (4), a nut port (6) is arranged at the front end of the printing head main body (1), the nut port (6) is in threaded connection with an external threaded pipe (8) at the tail end of a quick-change nozzle (7), a valve ball (9) is movably embedded to the tail end of a middle hole of the quick-change nozzle (7), one side of the valve ball (9) is blocked by a blocking ring (10) at the tail end of the quick-change nozzle (7), and a spring (11) is connected to the middle of the inner hole of the quick-change nozzle (7), the printing head is characterized in that the spring (11) elastically abuts against the other side of the valve ball (9), a material blocking cover (12) is clamped and fixed at the position where the printing head main body (1) and the quick-change spray head (7) are screwed and jointed, and a sealing rubber ring (13) is embedded and connected to the inner ring of the material blocking cover (12).

2. The environment-friendly printing head according to claim 1, wherein: and a bypass pipeline (14) is screwed and communicated at a part, which is positioned between the valve plate (3) and the nut port (6), of one side of the printing head main body (1), and the bypass pipeline (14) is communicated with the auxiliary material pipe (15).

3. The environment-friendly printing head according to claim 1, wherein: the tail end fixedly connected with flange (16) of printing head main part (1), the avris of flange (16) is equipped with connecting hole (17), the side laminating of flange (16) has sealed pad (18).

4. The environment-friendly printing head according to claim 1, wherein: the outer surfaces of the printing head main body (1) and the quick change nozzle (7) are both regular polygon structures.

5. The environment-friendly printing head according to claim 1, wherein: the material blocking cover (12) and the sealing rubber ring (13) are of an integrated embedded structure, and the gradual opening of the material blocking cover (12) is a notch conical cover opening or a notch bowl-shaped cover opening.