阅读说明：本技术 一种3d打印机内部喷头防堵塞疏通装置 (Dredging device is prevented blockking up by inside shower nozzle of 3D printer ) 是由 刘彬 于 2021-07-27 设计创作，主要内容包括：本发明涉及计算机辅助设备的技术领域,且公开了一种3D打印机内部喷头防堵塞疏通装置,包括喷头主体,所述喷头主体的内部活动连接有疏通机构,所述疏通机构的内部设置有遮挡旋转轴,所述遮挡旋转轴的外部连接有清洁毛刷,所述清洁毛刷的外部连接有喷头内壁,所述喷头内壁的内部设置有加热管,所述喷头主体的内部还包含有位置调节机构,所述位置调节机构的内部活动连接有支撑套,所述支撑套的内部套接有升降杆,所述升降杆的外部活动连接有铰接拉杆,所述铰接拉杆的外部连接有转盘,所述升降杆的下端连接有调节板。该装置具备可以灵活出料直径,从而可以灵活调节打印产品的结构,同时可以防止冷却的物料停留在喷头的内部从而导致堵塞的优点。(The invention relates to the technical field of computer-aided equipment, and discloses an anti-blocking dredging device for a spray head in a 3D printer, which comprises a spray head main body, wherein a dredging mechanism is movably connected in the spray head main body, a shielding rotating shaft is arranged in the dredging mechanism, a cleaning brush is connected outside the shielding rotating shaft, a spray head inner wall is connected outside the cleaning brush, a heating pipe is arranged inside the spray head inner wall, a position adjusting mechanism is further arranged inside the spray head main body, a supporting sleeve is movably connected inside the position adjusting mechanism, a lifting rod is sleeved inside the supporting sleeve, a hinged pull rod is movably connected outside the lifting rod, a turntable is connected outside the hinged pull rod, and an adjusting plate is connected at the lower end of the lifting rod. The device possesses can nimble ejection of compact diameter to can adjust the structure of printing the product in a flexible way, thereby can prevent simultaneously that refrigerated material from stopping in the inside of shower nozzle and leading to the advantage of jam.)

1. The utility model provides a pull throughs is prevented blockking up by inside shower nozzle of 3D printer, includes shower nozzle main part (1), its characterized in that: the inside swing joint of shower nozzle main part (1) has dredging mechanism (2), the inside of dredging mechanism (2) is provided with shelters from rotation axis (21), the external connection who shelters from rotation axis (21) has clean brush (22), the external connection of clean brush (22) has shower nozzle inner wall (23), the inside of shower nozzle inner wall (23) is provided with heating pipe (24).

2. The anti-clogging dredging device for the internal nozzle of the 3D printer according to claim 1, characterized in that: the inside of shower nozzle main part (1) still includes position control mechanism (3), the inside swing joint of position control mechanism (3) has support cover (31), lifter (32) have been cup jointed to the inside of supporting cover (31), the outside swing joint of lifter (32) has articulated pull rod (33), the external connection of articulated pull rod (33) has carousel (34), the lower extreme of lifter (32) is connected with regulating plate (35).

3. The anti-clogging dredging device for the internal nozzle of the 3D printer according to claim 1, characterized in that: the utility model discloses a shower nozzle, including shower nozzle main part (1), the outside swing joint of shower nozzle main part (1) has mounting bracket (4), the upper end swing joint of shower nozzle main part (1) has bracing piece (5), the upper end swing joint of bracing piece (5) has fixed block (6), the lower extreme swing joint of fixed block (6) has screw lead screw (7), long swivel nut (8) have been cup jointed to the outside of screw lead screw (7), the lower extreme swing joint of long swivel nut (8) has sprue (9), the outside swing joint of sprue (9) has spring beam (10), the outside swing joint of spring beam (10) has clear ring of shovel (11), the outside swing joint of sprue (9) has flexible connecting rod (12).

4. The anti-clogging dredging device for the internal nozzle of the 3D printer according to claim 1, characterized in that: the shielding rotating shaft (21), the rotary table (34) and the threaded screw rod (7) are movably connected with a motor.

5. The anti-clogging dredging device for the internal nozzle of the 3D printer according to claim 2, characterized in that: the adjusting plate (35) is located under the sprayer body (1), and a middle gap of the adjusting plate (35) is smaller than the diameter of an outlet of the sprayer outlet (1).

6. The anti-clogging dredging device for the internal nozzle of the 3D printer according to claim 2, characterized in that: the support sleeve (31) is internally provided with a through hole, and the hinged pull rod (33) is connected with the turntable (34) through the through hole.

7. The anti-clogging dredging device for the internal nozzle of the 3D printer according to claim 1, characterized in that: the cleaning brushes (22) are at least eight groups and are uniformly distributed in the spray head main body (1).

8. The anti-clogging dredging device for the internal nozzle of the 3D printer according to claim 1, characterized in that: the diameter of the block (9) is matched with the diameter of the upper half part of the sprayer body (1).

Technical Field

The invention relates to the technical field of computer-aided equipment, in particular to an anti-blocking dredging device for a spray head in a 3D printer.

Background

One of the 3D printer rapid prototyping technologies, also known as additive manufacturing, is a technology for constructing an object by using a bondable material such as powdered metal or plastic based on a digital model file and by printing layer by layer.

Present 3D printer nozzle generally once can only print a material, and print the structure and mostly be single solid construction, can't adjust the structure of the product of printing at the printing in-process, to the product that has different grade type structures at different positions, only print the structure that the in-process printed the different grade type through changing different shower nozzles, can't adjust in real time in printing, simultaneously because what the material that 3D printer used generally adopted is comparatively hard material, it melts to need the material when printing simultaneously, and after printing the stop, the material that stops in the shower nozzle inside will harden, thereby lead to the inside jam of shower nozzle, lead to subsequent ejection of compact can't continue to go on, influence the effect of using and the quality of product.

Therefore, in order to solve the problems, the anti-blocking dredging device for the inner spray head of the 3D printer is needed.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the anti-blocking dredging device for the spray head in the 3D printer, which has the advantages that the diameter of a discharged material can be flexibly adjusted, the structure of a printed product can be flexibly adjusted, and the blockage caused by the cooled material staying in the spray head can be prevented.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a pull throughs is prevented blockking up by inside shower nozzle of 3D printer, includes the shower nozzle main part, the inside swing joint of shower nozzle main part has pull throughs, pull throughs's inside is provided with shelters from the rotation axis, the external connection who shelters from the rotation axis has clean brush, the external connection of clean brush has the shower nozzle inner wall, the inside of shower nozzle inner wall is provided with the heating pipe.

Preferably, the inside of shower nozzle main part still includes position control mechanism, position control mechanism's inside swing joint has the support cover, the lifter has been cup jointed to the inside of supporting the cover, the outside swing joint of lifter has articulated pull rod, the external connection of articulated pull rod has the carousel, the lower extreme of lifter is connected with the regulating plate.

Preferably, the outside swing joint of shower nozzle main part has the mounting bracket, the upper end swing joint of shower nozzle main part has the bracing piece, the upper end swing joint of bracing piece has the fixed block, the lower extreme swing joint of fixed block has the screw lead screw, long swivel nut has been cup jointed to the outside of screw lead screw, the lower extreme swing joint of long swivel nut has the sprue, the outside swing joint of sprue has the spring beam, the outside swing joint of spring beam has the clear ring of shovel, the outside swing joint of sprue has telescopic connecting rod.

Preferably, the shielding rotating shaft, the rotating disc and the threaded screw rod are movably connected with a motor.

Preferably, the adjusting plate is located right below the nozzle body, and a central gap of the adjusting plate is smaller than a diameter of the nozzle outlet.

Preferably, a through hole is formed in the support sleeve, and the hinge rod is connected with the turntable through the through hole.

Preferably, the cleaning brushes are provided with at least eight groups and are uniformly distributed in the spray head main body.

Preferably, the diameter of the block is adapted to the diameter of the upper half of the nozzle body.

Has the advantages that:

1. this dredging device is prevented blockking up by inside shower nozzle of 3D printer, drive downstream through the sprue through the clear ring of shovel, make the clear ring of shovel clear away the remaining raw materials of the inside upper end of top shower nozzle main part, landing downwards along the export, and there is the rotation axis to shelter from at the below swing joint of shower nozzle main part, there is clean brush at the outside swing joint who shelters from the rotation axis, the outside and the shower nozzle inner wall of clean brush contact, and there is the motor at the upper end swing joint who shelters from the rotation axis, and it has the heating pipe to inlay in the inside of shower nozzle inner wall, the heating pipe melts refrigerated raw materials reheating, it drives clean brush and makes the raw materials of shower nozzle inner wall to shelter from the rotation axis simultaneously and clean, thereby reach and get rid of the raw materials of jam at the shower nozzle inner wall, thereby reach and prevent that the material cooling from leading to the shower nozzle jam and influence the effect of printing quality.

2. This dredging device is prevented blockking up by inside shower nozzle of 3D printer is rotatory through the control carousel and make the lifter rise or descend different height, make the regulating plate also upwards or downstream thereupon, and the space between the regulating plate is less than the diameter of shower nozzle export, through controlling the cooperation between them, makes the diameter that can control the ejection of compact on vertical, reaches the effect that can make things convenient for more and nimble adjustment print the structure of product.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional view of a block of the present invention;

FIG. 3 is a schematic view of a pull through mechanism of the present invention;

FIG. 4 is a schematic view of part A of FIG. 1 according to the present invention;

FIG. 5 is a schematic view of a threaded screw connection according to the present invention.

In the figure: 1. a nozzle body; 2. a dredging mechanism; 21. shielding the rotating shaft; 22. cleaning the brush; 23. the inner wall of the spray head; 24. heating a tube; 3. a position adjustment mechanism; 31. a support sleeve; 32. a lifting rod; 33. a hinged pull rod; 34. a turntable; 35. an adjusting plate; 4. a mounting frame; 5. a support bar; 6. a fixed block; 7. a threaded lead screw; 8. a long thread insert; 9. blocking; 10. a spring lever; 11. shoveling and cleaning the ring; 12. a telescopic connecting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

Referring to fig. 1 and 3, an anti-clogging dredging device for an internal nozzle of a 3D printer comprises a nozzle body 1, a dredging mechanism 2 is movably connected inside the nozzle body 1, a shielding rotating shaft 21 is arranged inside the dredging mechanism 2, a cleaning brush 22 is connected outside the shielding rotating shaft 21, a nozzle inner wall 23 is connected outside the cleaning brush 22, a heating pipe 24 is arranged inside the nozzle inner wall 23, an installation frame 4 is movably connected outside the nozzle body 1, a supporting rod 5 is movably connected at the upper end of the nozzle body 1, a fixing block 6 is movably connected at the upper end of the supporting rod 5, a threaded lead screw 7 is movably connected at the lower end of the fixing block 6, a long screw sleeve 8 is sleeved outside the threaded lead screw 7, a blocking block 9 is movably connected at the lower end of the long screw sleeve 8, a spring rod 10 is movably connected at the outside of the blocking block 9, and a shoveling ring 11 is movably connected at the outside of the spring rod 10, the outside swing joint of sprue 9 has telescopic connection rod 12, shelter from rotation axis 21, the outside swing joint of carousel 34 and screw lead screw 7 has the motor, regulating plate 35 is located shower nozzle main part 1 under, and the centre space of regulating plate 35 is less than the diameter of shower nozzle main part 1 export, the through-hole has been seted up to the inside of supporting sleeve 31, and articulated pull rod 33 is connected with carousel 34 through the through-hole, cleaning brush 22 is provided with eight at least groups, and evenly distributed is in the inside of shower nozzle main part 1, the diameter of sprue 9 and the diameter looks adaptation of the first half of shower nozzle main part 1.

Shovel clear ring 11 passes through the drive downstream of sprue 9, make shovel clear ring 11 clear away the remaining raw materials of the inside upper end of top shower nozzle main part 1, landing downwards along the export, and there is the rotation axis 21 of sheltering from at the below swing joint of shower nozzle main part 1, there is clean brush 22 at the outside swing joint that shelters from rotation axis 21, clean brush 22's outside contacts with shower nozzle inner wall 23, and there is the motor at the upper end swing joint that shelters from rotation axis 21, and it has heating pipe 24 to inlay in the inside of shower nozzle inner wall 23, heating pipe 24 heats refrigerated raw materials once more and melts, it cleans to shelter from rotation axis 21 simultaneously and drive clean brush 22 and make the raw materials of shower nozzle inner wall 23, thereby reach and get rid of the raw materials of jam at shower nozzle inner wall 23, thereby reach and prevent that material cooling from leading to the shower nozzle jam and influence the effect of printing quality.

Example two

Referring to fig. 1 and 4, an anti-clogging dredging device for an internal nozzle of a 3D printer comprises a nozzle body 1, the nozzle body 1 further comprises a position adjusting mechanism 3, the position adjusting mechanism 3 is movably connected with a support sleeve 31, a lifting rod 32 is sleeved inside the support sleeve 31, a hinged pull rod 33 is movably connected with the outside of the lifting rod 32, a turntable 34 is connected with the outside of the hinged pull rod 33, an adjusting plate 35 is connected with the lower end of the lifting rod 32, an installation frame 4 is movably connected with the outside of the nozzle body 1, a support rod 5 is movably connected with the upper end of the nozzle body 1, a fixed block 6 is movably connected with the upper end of the support rod 5, a threaded lead screw 7 is movably connected with the lower end of the fixed block 6, a long screw sleeve 8 is sleeved outside the threaded lead screw 7, a blocking block 9 is movably connected with the lower end of the long screw sleeve 8, and a spring rod 10 is movably connected with the outside of the blocking block 9, the outside swing joint of spring beam 10 has shovel clear ring 11, the outside swing joint of sprue 9 has telescopic connection rod 12, shelter from rotation axis 21, the outside swing joint of carousel 34 and screw lead screw 7 has the motor, regulating plate 35 is located shower nozzle main part 1 under, and the centre space of regulating plate 35 is less than the diameter of shower nozzle main part 1 export, the through-hole has been seted up to the inside of supporting sleeve 31, and articulated pull rod 33 is connected with carousel 34 through the through-hole, clean brush 22 is provided with eight at least groups, and evenly distributed is in the inside of shower nozzle main part 1, the diameter of sprue 9 and the diameter looks adaptation of the first half of shower nozzle main part 1.

The control dial 34 rotates so that the lifting rod 32 rises or falls to different heights, the adjusting plate 35 moves upwards or downwards, the gap between the adjusting plates 35 is smaller than the diameter of the nozzle body 1, the diameter of discharging can be controlled in the longitudinal direction by controlling the matching of the adjusting plates and the nozzle body, and the effect of adjusting the structure of printed products more conveniently and flexibly is achieved.

EXAMPLE III

Referring to fig. 1-5, an anti-clogging dredging device for an internal nozzle of a 3D printer comprises a nozzle body 1, a dredging mechanism 2 is movably connected inside the nozzle body 1, a shielding rotating shaft 21 is arranged inside the dredging mechanism 2, a cleaning brush 22 is connected outside the shielding rotating shaft 21, a nozzle inner wall 23 is connected outside the cleaning brush 22, a heating pipe 24 is arranged inside the nozzle inner wall 23, an installation frame 4 is movably connected outside the nozzle body 1, a supporting rod 5 is movably connected at the upper end of the nozzle body 1, a fixing block 6 is movably connected at the upper end of the supporting rod 5, a threaded lead screw 7 is movably connected at the lower end of the fixing block 6, a long screw sleeve 8 is sleeved outside the threaded lead screw 7, a blocking block 9 is movably connected at the lower end of the long screw sleeve 8, a spring rod 10 is movably connected at the outside of the blocking block 9, and a shovel cleaning ring 11 is movably connected outside the spring rod 10, the outside swing joint of sprue 9 has telescopic connection rod 12, shelter from rotation axis 21, the outside swing joint of carousel 34 and screw lead screw 7 has the motor, regulating plate 35 is located shower nozzle main part 1 under, and the centre space of regulating plate 35 is less than the diameter of shower nozzle main part 1 export, the through-hole has been seted up to the inside of supporting sleeve 31, and articulated pull rod 33 is connected with carousel 34 through the through-hole, cleaning brush 22 is provided with eight at least groups, and evenly distributed is in the inside of shower nozzle main part 1, the diameter of sprue 9 and the diameter looks adaptation of the first half of shower nozzle main part 1.

The working principle is as follows: when the device is used, an internal motor and a heating pipe 24 are both connected with a power supply, after printing is completed, a part of residual raw materials still stay in a disc spray head main body 1, at the moment, a threaded screw rod 7 arranged below a fixed block 6 is driven by the motor to start rotating, a long screw sleeve 8 is movably connected below the threaded screw rod 7, a blocking block 9 is movably connected below the long screw sleeve 8, when the threaded screw rod 7 rotates clockwise, the screw sleeve moves downwards to drive a blocking block 9 below to move downwards together, the diameter of the blocking block 9 is matched with the diameter of the upper end of the spray head main body 1, so that the raw materials above can be prevented from further moving downwards, a spring rod 10 is movably connected outside the blocking block 9, a telescopic connecting rod 12 is movably connected outside the blocking block 9, the spring rod 10 and the telescopic connecting rod 12 are both connected inside a cleaning ring 11, shovel clear ring 11 passes through the drive downstream of sprue 9, make shovel clear ring 11 clear away the remaining raw materials of the inside upper end of top shower nozzle main part 1, landing downwards along the export, and there is the rotation axis 21 of sheltering from at the below swing joint of shower nozzle main part 1, there is clean brush 22 at the outside swing joint that shelters from rotation axis 21, clean brush 22's outside contacts with shower nozzle inner wall 23, and there is the motor at the upper end swing joint that shelters from rotation axis 21, and it has heating pipe 24 to inlay in the inside of shower nozzle inner wall 23, heating pipe 24 heats refrigerated raw materials once more and melts, it cleans to shelter from rotation axis 21 simultaneously and drive clean brush 22 and make the raw materials of shower nozzle inner wall 23, thereby reach and get rid of the raw materials of jam at shower nozzle inner wall 23, thereby reach and prevent that material cooling from leading to the shower nozzle jam and influence the effect of printing quality.

And there is support cover 31 in the outside swing joint in below of shower nozzle main part 1, the telescopic link has been cup jointed to the inside of support cover 31, the below swing joint of telescopic link has regulating plate 35, and there is articulated pull rod 33 in the outside swing joint of lifter 32, articulated pull rod 33 eccentric coupling is in the outside of carousel 34, rotatory and make lifter 32 rise or descend different height through control carousel 34, make regulating plate 35 also upwards or downstream thereupon, and the space between regulating plate 35 is less than the diameter of shower nozzle main part 1, through controlling cooperation between them, make the diameter that can control the ejection of compact on vertical, reach the effect that can make things convenient for more and nimble the structure of adjusting the printing product.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.