CN213501443U

CN213501443U - Nozzle cleaning device

Info

Publication number: CN213501443U
Application number: CN202021412441.XU
Authority: CN
Inventors: 刘明辉; 陈亮
Original assignee: TRENDVISION ELECTRONICS SCIENCE TECHNOLOGY (ZHUHAI) CO LTD; Zhuhai Zhongmo Technology Co ltd
Current assignee: Zhuhai Chuanmeixun New Materials Co ltd
Priority date: 2020-07-16
Filing date: 2020-07-16
Publication date: 2021-06-22
Anticipated expiration: 2030-07-16

Abstract

The utility model discloses a spray head cleaning device, which comprises a syringe, a pressure release valve and an injection pump, wherein a nozzle of the syringe is communicated with a first air pipe which is used for being communicated with a spray head; the pressure release valve is used for being communicated with the spray head; the injector is arranged on the injection pump, and the injection pump is used for driving the piston core rod of the injector to move back and forth. The nozzle cleaning device is directly connected with the nozzle, the piston cavity of the injector is communicated with the inner cavity of the nozzle, the injection pump drives the piston core rod of the injector to move back and forth, so that pressurization and decompression are realized for the nozzle, namely, the nozzle is subjected to pressurization and decompression bidirectional vibration cleaning, the blockage and the micro-bubbles in the nozzle are effectively loosened, the blockage problem of the nozzle is solved, the frequency of driving the piston core rod back and forth by the injection pump is controlled, and the higher the frequency is, the better the effect of cleaning the blockage and the micro-bubbles is; the spray head does not need to be disassembled when being cleaned; the cleaning device has the advantages of simple structure, low cost and convenient and quick use.

Description

Nozzle cleaning device

Technical Field

The utility model relates to a print technical field, in particular to shower nozzle cleaning device.

Background

The digital ink-jet printer ink has the most serious problem of people's disadvantage that a spray head is easy to block, thereby causing the condition of ink break. Common problems of head clogging are derived from precipitates in ink, precipitates in ink channel tubes, precipitates in filter media, micro bubbles in ink, and the like. These precipitates or microbubbles get stuck in the channel of the head, causing printing defects such as ink break or oblique ejection. The traditional cleaning method comprises the steps of disassembling the spray head and then extruding the blockage out of the spray head by a pressurizing device in a pressurizing mode. The pressurizing device has a huge structure and a high manufacturing cost, but the pressurizing force of the pressurizing device is difficult to control, the nozzle is damaged if the pressurizing force is too large, and the blockage cannot be extruded if the pressurizing force is too small, so that the blockage is tighter and cannot be discharged.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a shower nozzle cleaning device effectively not hard up plug and microbubble, improves the shower nozzle and blocks up the problem.

The spray head cleaning device comprises a syringe, a pressure release valve and an injection pump, wherein a nozzle of the syringe is communicated with a first air pipe which is used for being communicated with the spray head; the pressure relief valve is used for being communicated with the spray head; the injector is arranged on the injection pump, and the injection pump is used for driving the piston core rod of the injector to move back and forth.

According to the utility model discloses shower nozzle cleaning device has following beneficial effect at least: the nozzle cleaning device is directly connected with the nozzle, the piston cavity of the injector is communicated with the inner cavity of the nozzle, the injection pump drives the piston core rod of the injector to move back and forth, so that pressurization and decompression of the nozzle are realized, namely, the nozzle is subjected to pressurization and decompression two-way vibration cleaning, the blockage and the micro-bubbles in the nozzle are effectively loosened, the blockage problem of the nozzle is solved, the frequency of driving the piston core rod back and forth by the injection pump is controlled, and the higher the frequency is, the better the effect of cleaning the blockage and the micro-bubbles is; the spray head does not need to be disassembled when being cleaned; the cleaning device has the advantages of simple structure, low cost and convenient and quick use.

According to some embodiments of the utility model, still include the second trachea, the relief valve passes through the second trachea with the shower nozzle intercommunication.

According to some embodiments of the invention, the pressure relief valve is provided on the first air tube.

According to some embodiments of the present invention, the syringe pump comprises a holding mechanism for holding the cylinder of the syringe and a linear movement mechanism for driving the plunger rod to move back and forth.

According to the utility model discloses a some embodiments, rectilinear movement mechanism's output is connected with the connecting block, be equipped with U type groove on the connecting block, the lateral wall in U type groove is equipped with the spacing groove, the piston core bar can stretch into U type inslot just the flange of piston core bar can block into the spacing inslot.

According to some embodiments of the present invention, the connecting block is provided with a first fastening member, and the first fastening member can extend into the limiting groove and press the flange against the side wall of the limiting groove.

According to some embodiments of the utility model, the syringe pump still includes the casing, be equipped with the guide arm on the casing, the connecting block can be located with sliding on the guide arm, rectilinear movement mechanism is including locating motor on the casing, with the lead screw that the motor output end is connected and locating lead screw nut on the lead screw, the lead screw with the guide arm is parallel to each other, lead screw nut with the connecting block is connected.

According to some embodiments of the utility model, fixture includes backing plate and clamp plate, the backing plate is located on the casing, the clamp plate pass through the second fastener with the backing plate is connected and is cramped the cylinder.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural view of a nozzle cleaning device according to an embodiment of the present invention;

FIG. 2 is a schematic view of the syringe pump of the spray head cleaning apparatus shown in FIG. 1;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

fig. 4 is a schematic top view of a syringe pump in the spray head cleaning apparatus of fig. 1.

Reference numerals:

the injection device comprises an injector 100, a first air pipe 110, a pressure relief valve 200, an injection pump 300, a clamping mechanism 310, a backing plate 311, a pressure plate 312, a second fastening piece 313, a linear moving mechanism 320, a motor 321, a lead screw 322, a machine shell 330, a guide rod 331, a second air pipe 400, a connecting block 500, a U-shaped groove 510, a limiting groove 520 and a first fastening piece 530.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to the orientation description, such as the directions of up, down, front, back, left, right, etc., may be the orientation or positional relationship shown on the drawings, only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1, the utility model discloses a spray head cleaning device, which comprises a syringe 100, a pressure release valve 200 and an injection pump 300, wherein a nozzle of the syringe 100 is communicated with a first air pipe 110, and the first air pipe 110 is used for being communicated with a spray head; the pressure relief valve 200 is used for communicating with the spray head; syringe 100 is mounted on syringe pump 300, and syringe pump 300 is used to drive the plunger rod of syringe 100 back and forth.

The nozzle cleaning device is directly connected with the nozzle, the piston cavity of the injector 100 is communicated with the inner cavity of the nozzle, the injection pump 300 drives the piston core rod of the injector 100 to move back and forth, so that pressurization and decompression for the nozzle are realized, namely, the nozzle is subjected to pressurization and decompression bidirectional vibration cleaning, the blockage and the micro-bubbles in the nozzle are effectively loosened, the problem of nozzle blockage is solved, the frequency of driving the piston core rod back and forth by the injection pump 300 is controlled, and the higher the frequency is, the better effect of cleaning the blockage and the micro-bubbles is; the spray head does not need to be disassembled when being cleaned; the cleaning device has the advantages of simple structure, low cost and convenient and quick use.

The utility model discloses an in some embodiments, shower nozzle cleaning device still includes second trachea 400, and relief valve 200 communicates with the shower nozzle through second trachea 400. The pressure relief valve 200 can adjust the air pressure in the whole cleaning device, and the condition that the nozzle is extruded by the excessive air pressure is avoided, so that the damage of the nozzle is avoided. Specifically, the first air pipe 110 and the second air pipe 400 are respectively arranged at two sides of the nozzle, so as to avoid the mutual interference of the first air pipe 110 and the second air pipe 400.

In some embodiments of the present invention, the pressure relief valve 200 is disposed on the first air pipe 110. The pressure relief valve 200 can adjust the air pressure in the whole cleaning device, and the arrangement can save air pipes.

With further reference to fig. 2 and 4, syringe pump 300 includes a gripping mechanism 310 for gripping the barrel of syringe 100 and a linear movement mechanism 320 for driving the plunger rod back and forth. The syringe of the injector 100 is clamped by the clamping mechanism 310 to prevent the syringe from moving, and then the plunger rod is driven to move back and forth by the linear moving mechanism 320, so that the pressure and the pressure of the injector are reduced. The syringe 100 may be selected from commercially available models.

Referring further to fig. 3, the output end of the linear moving mechanism 320 is connected to a connecting block 500, a U-shaped groove 510 is disposed on the connecting block 500, a limiting groove 520 is disposed on the sidewall of the U-shaped groove 510, the piston rod may extend into the U-shaped groove 510, and the flange of the piston rod may be clamped into the limiting groove 520. The piston core rod is inserted into the U-shaped groove 510, and the flange of the piston core rod is clamped into the limiting groove 520, so that the piston core rod and the connecting block 500 can be connected together, the linear moving mechanism 320 can drive the piston core rod to move back and forth, and when the injector 100 needs to be replaced, the piston core rod is pulled out from the U-shaped groove 510.

In some embodiments of the present invention, the connecting block 500 is provided with a first fastening member 530, and the first fastening member 530 can extend into the limiting groove 520 and press the flange against the sidewall of the limiting groove 520. The first fastening member 530 can fix the flange in the limiting groove 520, so as to prevent the plunger rod from falling off from the connecting block 500 during the use of the syringe 100. The first fastening member 530 is a screw, and the first fastening member 530 is threadedly coupled to the sidewall of the connection block 500. In some embodiments, the U-shaped groove 510 is disposed at the upper end of the connecting block 500 and communicates with both sides of the connecting block 500, the openings of the U-shaped groove 510 and the limiting groove 520 are upward, and the piston rod and the flange are engaged into the U-shaped groove 510 and the limiting groove 520 from the top to the bottom.

The utility model discloses an in some embodiments, syringe pump 300 still includes casing 330, is equipped with guide arm 331 on the casing 330, and on guide arm 331 was located to connecting block 500 slidable, rectilinear movement mechanism 320 was including locating motor 321 on casing 330, the lead screw 322 of being connected with the motor 321 output and locating the lead screw nut (not shown in the figure) on the lead screw 322, and lead screw 322 and guide arm 331 are parallel to each other, and lead screw nut and connecting block 500 are connected. The motor drives the lead screw 322 to rotate, i.e. the lead screw nut and the connecting block 500 can be driven to move along the length direction of the lead screw 322. The motor is a stepping motor or a servo motor, and the stepping motor or the servo motor can realize the accurate driving of the lead screw nut and the connecting block 500, namely the movement of the piston core rod can be accurately controlled, so that the air pressure of the inner cavity of the needle cylinder and the air pressure of the inner cavity of the spray head can be changed. In other embodiments, the linear motion mechanism 320 is a pneumatic cylinder.

In some embodiments of the present invention, the clamping mechanism 310 includes a backing plate 311 and a pressing plate 312, the backing plate 311 is disposed on the casing 330, and the pressing plate 312 is connected to the backing plate 311 via a second fastening member 313 and clamps the syringe. The needle cylinder is clamped between the bearing plate 311 and the pressing plate 312 through the second fastening piece 313, namely the fixation of the needle cylinder is realized, and the needle cylinder can be taken out from the position between the bearing plate 311 and the pressing plate 312 by loosening the second fastening piece 313, so that the needle cylinder is convenient and quick. The second fastening members 313 are screws, and the second fastening members 313 are screwed with the backing plate 311 and the pressing plate 312.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. Shower nozzle cleaning device for the inside plug of clearance shower nozzle, its characterized in that includes:

the nozzle of the injector (100) is communicated with a first air pipe (110), and the first air pipe (110) is used for being communicated with the spray head;

a pressure relief valve (200), the pressure relief valve (200) for communicating with the spray head;

the injection pump (300) is arranged on the injector (100), and the injector (300) is used for driving the piston core rod of the injector (100) to move back and forth.

2. The spray head cleaning apparatus of claim 1, wherein: the shower head further comprises a second air pipe (400), and the pressure relief valve (200) is communicated with the shower head through the second air pipe (400).

3. The spray head cleaning apparatus of claim 1, wherein: the pressure relief valve (200) is arranged on the first air pipe (110).

4. The spray head cleaning apparatus of claim 1, wherein: the injection pump (300) comprises a clamping mechanism (310) for clamping the syringe of the injector (100) and a linear moving mechanism (320) for driving the piston core rod to move back and forth.

5. The spray head cleaning apparatus of claim 4, wherein: the output end of the linear moving mechanism (320) is connected with a connecting block (500), a U-shaped groove (510) is formed in the connecting block (500), a limiting groove (520) is formed in the side wall of the U-shaped groove (510), the piston core rod can extend into the U-shaped groove (510), and the flange of the piston core rod can be clamped into the limiting groove (520).

6. The spray head cleaning apparatus of claim 5, wherein: the connecting block (500) is provided with a first fastening piece (530), and the first fastening piece (530) can extend into the limiting groove (520) and press the flange against the side wall of the limiting groove (520).

7. The nozzle cleaning apparatus as claimed in claim 5 or 6, wherein: syringe pump (300) still includes casing (330), be equipped with guide arm (331) on casing (330), connecting block (500) can locate with sliding on guide arm (331), rectilinear movement mechanism (320) including locating motor (321) on casing (330), with lead screw (322) that motor (321) output is connected and locating lead screw nut on lead screw (322), lead screw (322) with guide arm (331) are parallel to each other, lead screw nut with connecting block (500) are connected.

8. The spray head cleaning apparatus of claim 7, wherein: the clamping mechanism (310) comprises a base plate (311) and a pressing plate (312), the base plate (311) is arranged on the machine shell (330), and the pressing plate (312) is connected with the base plate (311) through a second fastener (313) and clamps the needle cylinder.