阅读说明：本技术 一种3d打印喷头清堵装置 (Clear stifled device of 3D printing shower nozzle ) 是由 不公告发明人 于 2020-08-07 设计创作，主要内容包括：本发明一种3D打印喷头清堵装置公开了一种通过吹、抽配合式清理,能够避免熔融堵塞物粘黏在清理装置上,清堵彻底的装置,其特征在于抽气泵和连接杆的一端相连接,所述连接杆内部为中空,所述连接杆靠近一端的内壁上置有限位半圆环,所述连接杆上开有通槽,所述通槽位于限位半圆环上方,抽拉管置于限位半圆环上,所述抽拉管和通槽对应,且对通槽进行封堵,所述抽拉管上置有拉把,连接罩的一端和连接杆另一端相连接,且相连通,所述连接罩的直径从一端向另一端逐渐增大,所述连接罩的直径大于连接杆的直径,所述连接罩和连接杆的连接处为斜坡,所述连接罩内置有多个等角度分布的限位板,所述限位板为弧形板状结构。(The invention discloses a 3D printing nozzle blockage removing device, which can prevent molten blockage from being adhered to the cleaning device through blowing and pumping matched cleaning and is a device for completely removing blockage, and is characterized in that an air suction pump is connected with one end of a connecting rod, the interior of the connecting rod is hollow, a limiting semicircular ring is arranged on the inner wall of the connecting rod, which is close to one end, a through groove is formed in the connecting rod, the through groove is positioned above the limiting semicircular ring, a pull pipe is arranged on the limiting semicircular ring, the pull pipe corresponds to the through groove and blocks the through groove, a pull handle is arranged on the pull pipe, one end of a connecting cover is connected with the other end of the connecting rod and is communicated with the other end of the connecting rod, the diameter of the connecting cover is gradually increased from one end to the other end, the diameter of the connecting cover is larger than that of the connecting rod, the connecting part of the connecting cover and the connecting rod is a slope, a plurality of limiting plates which, the limiting plate is of an arc-shaped plate structure.)

1. The utility model provides a clear stifled device of 3D printing shower nozzle, characterized by: the air suction pump is connected with one end of a connecting rod, the connecting rod is hollow, a through groove is formed in the connecting rod and is positioned above a limiting semicircular ring, a pull pipe is arranged on the limiting semicircular ring and corresponds to the through groove and blocks the through groove, one end of a connecting cover is connected with the other end of the connecting rod and is communicated with the other end of the connecting rod, the joint of the connecting cover and the connecting rod is a slope, a plurality of limiting plates which are distributed at equal angles are arranged in the connecting cover, one end of a corrugated pipe is connected with the other end of the connecting cover and is communicated with the other end of the corrugated pipe, an air bag sleeve is fixedly connected with the other end of the corrugated pipe, one end of an air inlet pipe is connected with the connecting rod and is communicated with the connecting rod, the other end of the air inlet pipe is provided with a connector, the air inlet pipe is communicated with the air bag, then extends along the central line of the connecting rod and extends out of the connecting cover to be positioned outside the connecting cover.

2. The 3D printing nozzle blockage removing device according to claim 1, wherein due to the matched design of the air pump and the high-pressure inflating equipment, air blowing and air suction are matched for cleaning, and molten blockage is prevented from being adhered to the cleaning device.

3. The 3D printing nozzle blockage removing device according to claim 1, wherein the diameter of the connecting cover is larger than that of the connecting rod.

4. The 3D printing nozzle blockage removing device according to claim 3, wherein the diameter of the connecting cover gradually increases from one end to the other end.

5. The 3D printing nozzle blockage removing device according to claim 1, wherein a limiting semicircular ring is arranged on the inner wall of one end, close to the connecting rod, of the connecting rod, the limiting semicircular ring can limit a drawing pipe, and normal passing of air flow is not affected.

6. The 3D printing nozzle blockage removing device according to claim 1, wherein a pull handle is arranged on the pull pipe.

7. The 3D printing nozzle blockage removing device according to claim 1, wherein in use, an air inlet pipe is communicated with a high-pressure inflating device, a nozzle is heated to enable an inner blockage to be in a molten state, and then the device is sleeved on the 3D printing nozzle.

8. The 3D printing nozzle blockage removing device according to claim 1, wherein the limiting plate is of an arc-shaped plate structure.

9. The 3D printing nozzle blockage removing device according to claim 1, wherein the corrugated sleeve is designed to compensate and absorb axial, transverse and angular thermal deformation of the connecting cover, and can vibrate, so that the attaching tightness of vibration to the air bag sleeve and the nozzle is reduced.

Technical Field

The invention discloses a blockage clearing device for a 3D printing nozzle, relates to a device for clearing blockages in the 3D printing nozzle, and belongs to the field of 3D printing equipment. In particular to a device which can avoid the molten blockage from being stuck on a cleaning device and can clean the blockage thoroughly by blowing and pumping matched cleaning.

Background

3D printer extrudes the melting material through the shower nozzle when printing and piles up the printing, and remaining melting material solidification hardening in printing the completion back nozzle, lead to shower nozzle department orifice to diminish, precision when influencing 3D and print, can lead to nozzle department to produce the jam even under long-time accumulation, and traditional clearance to its jam department utilizes tiny needle tubing to dredge usually, but the tamping of needle tubing pushes the plug inside the nozzle easily, lead to its clear stifled effect not ideal, and clear up in stretching into the nozzle through rotatory cleaning head among the current device, it can avoid causing the friction to the nozzle inner wall, influence the precision of nozzle department, when rotatory cleaning simultaneously, the easy adhesion of fused plug is on cleaning head, thereby cause its clear stifled incomplete.

Notice No. CN210940481U discloses a clearance 3D print head blocks up and uses cleaning device, including handle and bull stick, the bull stick activity is inlayed at the top of handle, logical groove has been seted up at the top of bull stick, it is located the top of handle to lead to the groove, the bottom fixedly connected with spring that leads to the inslot wall, the top fixedly connected with pull rod of spring, the top of pull rod is run through and is led to the groove and extend to the top of bull stick, it sets up flutedly to lead to the position department that the inslot wall corresponds the spring, and this cleaning device nozzle inside melting's plug is glued easily when carrying out rotatory clearance and is pasted on cleaning head to influence the normal clearance of device.

Disclosure of Invention

In order to improve the situation, the 3D printing nozzle blockage cleaning device provided by the invention can be used for cleaning by blowing and pumping in a matching manner, so that a molten blockage can be prevented from being adhered to the cleaning device, and the blockage can be cleaned thoroughly.

The invention discloses a 3D printing nozzle blockage clearing device which is realized as follows: the invention relates to a 3D printing nozzle blockage removing device which comprises an air flushing pipe, an air bag sleeve, a connecting pipe, an air inlet pipe, a connecting head, a connecting rod, an air suction pump, a pull handle, a pull pipe, a connecting cover, a corrugated sleeve, a limiting plate, a limiting semicircular ring and a blocking net, wherein the air suction pump is connected with one end of the connecting rod, the connecting rod is hollow, the limiting semicircular ring is arranged on the inner wall of the connecting rod, which is close to one end, the connecting rod is provided with a through groove, the through groove is positioned above the limiting semicircular ring, the pull pipe is arranged on the limiting semicircular ring, corresponds to the through groove and blocks the through groove, the pull handle is arranged on the pull pipe, one end of the connecting cover is connected with the other end of the connecting rod and is communicated with the other end of the connecting rod, the diameter of the connecting cover is gradually increased from one end to the other end, the diameter, the utility model discloses a connecting cover, including connecting cover, limiting plate, connecting cover, connecting pipe, connecting cover, limiting plate are the arc platelike structure, and the one end of bellows and connecting cover's the other end are connected, and are linked together, and the other end fixed connection of gasbag cover and bellows, the one end and the connecting rod of intake pipe are connected, and are linked together, the other end of gas tube extends to connecting rod central line department earlier, extends and stretches out the connecting cover again along the connecting rod central line and lies in outside the connecting cover.

Has the beneficial effects.

Firstly, blow, take out cooperation formula clearance, can avoid melting plug to glue on cleaning device, guarantee the clearance effect to the shower nozzle.

And secondly, the air bag sleeve is matched with the connecting cover to meet the use requirements of the spray heads with different radiuses, so that the sealing performance during blowing and sucking is ensured, and the cleaning effect of blowing and sucking is ensured.

Thirdly, the cleaning and maintenance of the nozzle can be conveniently carried out by personnel.

Drawings

FIG. 1 is a three-dimensional structure diagram of a 3D printing nozzle blockage removal device of the invention;

FIG. 2 is a schematic structural diagram of a connecting cover of a 3D printing nozzle blockage removal device according to the invention;

fig. 3 is a schematic structural diagram of a drawing pipe of the 3D printing spray head blockage removing device.

In the attached drawings

Wherein the method comprises the following steps: the air pump comprises an inflation pipe (1), an air bag sleeve (2), a connecting pipe (3), an air inlet pipe (4), a connector (5), a connecting rod (6), an air pump (7), a pull handle (8), a pull pipe (9), a connecting cover (10), a corrugated sleeve (11), a limiting plate (12), a limiting semicircular ring (13) and a blocking net (14).

The specific implementation mode is as follows:

the invention discloses a 3D printing nozzle blockage clearing device which is realized as follows: the invention relates to a 3D printing nozzle blockage removing device which comprises an air flushing pipe (1), an air bag sleeve (2), a connecting pipe (3), an air inlet pipe (4), a connecting head (5), a connecting rod (6), an air suction pump (7), a pull handle (8), a pull pipe (9), a connecting cover (10), a corrugated sleeve (11), a limiting plate (12), a limiting semicircular ring (13) and a blocking net (14), wherein the air suction pump (7) is connected with one end of the connecting rod (6), the connecting rod (6) is hollow, the limiting semicircular ring (13) is arranged on the inner wall of the connecting rod (6) close to one end, a through groove is formed in the connecting rod (6), the through groove is positioned above the limiting semicircular ring (13), the pull pipe (9) is arranged on the limiting semicircular ring (13), the pull pipe (9) corresponds to the through groove and blocks the through groove, the pull pipe (9) is provided with the pull handle (8), the one end and the connecting rod (6) other end of connecting cover (10) are connected, and are linked together, the diameter of connecting cover (10) is crescent from one end to the other end, the diameter of connecting cover (10) is greater than the diameter of connecting rod (6), the junction of connecting cover (10) and connecting rod (6) is the slope, connecting cover (10) embeds limiting plate (12) that have a plurality of angular distributions such as, limiting plate (12) are arc platelike structure, and the one end of bellows is connected with the other end of connecting cover (10), and is linked together, and the other end fixed connection of gasbag cover (2) and bellows, the one end and connecting rod (6) of intake pipe (4) are connected, and are linked together, connector (5) have been put to the other end of intake pipe (4), intake pipe (4) are linked together through connecting pipe (3) and gasbag cover (2), one end of the inflation tube (1) is connected with one end of the air inlet tube (4) and communicated with the same, and the other end of the inflation tube extends to the central line of the connecting rod (6) firstly, then extends along the central line of the connecting rod (6) and extends out of the connecting cover (10) to be positioned outside the connecting cover (10);

when the device is used, the air inlet pipe (4) is communicated with high-pressure inflation equipment, the nozzle is heated to enable internal blockages to be in a molten state, the device is sleeved on a 3D printing nozzle, high-speed airflow enters through the air inlet pipe (4), then enters into the air flushing pipe (1) and flushes into the nozzle, meanwhile, the air bag sleeve (2) is filled with the inflated air bag sleeve to expand to wrap and fix the nozzle, then the air pump (7) is started, melted residues in the nozzle are sucked out by matching with the gas flushed out of the air flushing pipe (1), the melted residues fall into the drawing pipe (9) and are blocked by the blocking net (14), after the cleaning is finished, the drawing pipe (9) is drawn out to pour out impurities in the drawing pipe, the impurities are blown and pumped to be matched for cleaning, the melted blockages can be effectively prevented from being adhered to the cleaning device, and the cleaning effect on the nozzle is guaranteed;

the inner wall of one end, close to the connecting rod (6), of the connecting rod is provided with a limiting semicircular ring (13), so that the drawing pipe (9) can be limited, and the normal passing of air flow is not influenced;

the connecting cover (10) is designed to gradually increase in diameter from one end to the other end, can be matched with spray heads of different sizes for cleaning, and is wide in application range;

the connection part of the connecting cover (10) and the connecting rod (6) is designed to be a slope, so that the stability of the connection part is good;

the limiting plate (12) is designed to be of an arc-shaped plate structure and can deform to buffer the insertion of the spray head, so that the spray head is prevented from being damaged by collision;

the design of the corrugated sleeve (11) can compensate and absorb the axial, transverse and angular thermal deformation of the connecting cover (10), and can reduce the attachment tightness of vibration to the air bag sleeve (2) and the spray head;

the air pump and the high-pressure inflation equipment are designed in a matched mode, so that air blowing and air exhaust are matched for cleaning, molten blockage is prevented from being adhered to the cleaning device, and the cleaning effect on the spray head is guaranteed;

the air bag is matched with the design of the connecting cover (10), so that the use requirements of nozzles with different radiuses can be met, the sealing performance during blowing and sucking is ensured, and the cleaning effect of blowing and sucking is ensured;

the purposes of avoiding the molten blockage from being adhered to the cleaning device and thoroughly cleaning the blockage by blowing and pumping matched cleaning are achieved.

The above embodiments are preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. It will be appreciated by those skilled in the art that changes may be made without departing from the scope of the invention, and it is intended that all matter contained in the above description or shown in the accompanying drawings shall be interpreted as illustrative and not in a limiting sense.

It should be further noted that, while the above specific embodiments are described for simplicity and clarity, only the differences from other embodiments are described, but those skilled in the art should understand that the above specific embodiments are independent technical solutions.