阅读说明：本技术 一种便于更换的3d打印机打印喷头 (3D printer printing nozzle convenient to replace ) 是由 戴冰 关彥齐 于广滨 廖新胜 于 2020-06-23 设计创作，主要内容包括：本发明公开了一种便于更换的3D打印机打印喷头,包括安装板、打印喷头主体、滑杆和活动座,所述安装板的前侧设置有打印喷头主体,且安装板的后侧贯穿有滑杆,并且滑杆的左右两端均设置有活动座,所述打印喷头主体的上方镶嵌有连接块,且连接块的内部设置有连接头,并且连接头的上端镶嵌有输料管,所述连接块的内部设置有定位杆,且定位杆的表面嵌套有复位弹簧,并且定位杆的左侧设置有电磁铁。该便于更换的3D打印机打印喷头设置有限位杆,可通过限位杆和安装块的连接对打印喷头主体在安装板上进行定位,后续通过固定螺帽对其进行固定即可,方便快捷,节省后续打印喷头主体更换所需时间,提高装置的使用便捷性。(The invention discloses a 3D printer printing nozzle convenient to replace, which comprises a mounting plate, a printing nozzle main body, a sliding rod and movable seats, wherein the printing nozzle main body is arranged on the front side of the mounting plate, the sliding rod penetrates through the rear side of the mounting plate, the movable seats are arranged at the left end and the right end of the sliding rod, a connecting block is embedded above the printing nozzle main body, a connecting head is arranged inside the connecting block, a conveying pipeline is embedded at the upper end of the connecting head, a positioning rod is arranged inside the connecting block, a reset spring is embedded on the surface of the positioning rod, and an electromagnet is arranged on the left side of the positioning rod. This 3D printer print shower nozzle convenient to change is provided with the gag lever post, and accessible gag lever post is fixed a position the print shower nozzle main part on the mounting panel with the connection of installation piece, and it can to follow-up through fixation nut to fix it, and convenient and fast saves follow-up print shower nozzle main part and changes required time, improves the use convenience of device.)

1. The utility model provides a 3D printer prints shower nozzle convenient to change, includes mounting panel (1), prints shower nozzle main part (2), slide bar (3) and sliding seat (4), its characterized in that: the printing nozzle comprises a mounting plate (1), wherein a printing nozzle main body (2) is arranged on the front side of the mounting plate (1), a sliding rod (3) penetrates through the rear side of the mounting plate (1), movable seats (4) are arranged at the left end and the right end of the sliding rod (3), a connecting block (5) is embedded above the printing nozzle main body (2), a connecting head (6) is arranged inside the connecting block (5), a conveying pipeline (7) is embedded at the upper end of the connecting head (6), a positioning rod (8) is arranged inside the connecting block (5), a reset spring (9) is embedded on the surface of the positioning rod (8), an electromagnet (10) is arranged on the left side of the positioning rod (8), a mounting groove (11) is arranged on the outer side of the electromagnet (10), the mounting groove (11) is arranged inside the connecting block (5), and a first elastic airbag (12) is arranged, a second elastic air bag (13) is arranged below the first elastic air bag (12), and the second elastic air bag (13) is positioned on the inner side of the connecting block (5).

2. The 3D printer print head convenient to replace of claim 1, wherein: the left and right sides of printing shower nozzle main part (2) all inlays and has installation piece (14), and the middle part of installation piece (14) runs through has gag lever post (15) to gag lever post (15) are inlayed in the front side surface of mounting panel (1).

3. The 3D printer print head convenient to replace of claim 1, wherein: the surface of the connector (6) is provided with a limiting groove (601), the overlooking cross section of the limiting groove (601) is designed into a circular ring-shaped structure, and a clamping structure is formed between the limiting groove (601) and the positioning rod (8).

4. The 3D printer print head convenient to replace of claim 1, wherein: the surface of locating lever (8) inlays and has baffle (801), and the left end of locating lever (8) inlays and has clamp plate (802), and the left side surface of clamp plate (802) inlays and has magnetic path (803), and extending structure about constituting between locating lever (8) and connecting block (5) simultaneously.

5. The 3D printer print head convenient to replace of claim 1, wherein: the inner wall of the mounting groove (11) is inlaid with a fixing plate (1101), and the fixing plate (1101) and the positioning rod (8) are connected in a nested mode.

6. The 3D printer print head convenient to replace of claim 1, wherein: an elastic sealing ring (1301) is bonded to the inner side surface of the second elastic air bag (13), a connecting pipe (1302) is arranged on the left side of the second elastic air bag (13), the inner space of the second elastic air bag (13) is communicated with the inner space of the first elastic air bag (12) through the connecting pipe (1302), and meanwhile the elastic contraction force of the second elastic air bag (13) is larger than that of the first elastic air bag (12).

7. The 3D printer print head convenient to replace of claim 1, wherein: the surface of the limiting rod (15) is provided with a fixing nut (1501), a front-back sliding structure is formed between the limiting rod (15) and the mounting block (14), and the front end surface of the limiting rod (15) is in a thread-shaped structure design.

8. The 3D printer print head convenient to replace of claim 1, wherein: the working principle of the printing nozzle is as follows: when the 3D printer printing nozzle convenient to replace is used, firstly, when the printing nozzle body (2) needs to be disassembled and replaced, the electromagnet (10) can be powered off, the magnetism generated by the electromagnet (10) is opposite to the magnetism of the magnetic block (803), so that the electromagnet (10) can generate repulsion force with the magnetic block (803) when being powered on, after the electromagnet (10) is powered off, the reset spring (9) pushes the positioning rod (8) to move through the baffle (801), the connection between the positioning rod (8) and the limiting groove (601) is released, meanwhile, the positioning rod (8) drives the pressing plate (802) to move towards the left side when moving, the pressing plate (802) releases the extrusion of the first elastic air bag (12), at the moment, the second elastic air bag (13) contracts, the internal air enters the first elastic air bag (12) through the connecting pipe (3D), and the elastic sealing ring (1302) contracts simultaneously, the extrusion on the connector (6) is released, then the connector (6) can be pulled out from the connecting block (5), and the connection between the material conveying pipe (7) and the printing nozzle main body (2) is released;

When the connector (6) is mounted subsequently, the connector (6) is inserted into the connecting block (5), the electromagnet (10) is electrified, the electromagnet (10) and the magnetic block (803) are mutually repelled, the positioning rod (8) moves towards the right side and is clamped with the limiting groove (601) again, meanwhile, the pressing plate (802) is matched with the fixing plate (1101) to extrude the first elastic air bag (12), gas is sent into the second elastic air bag (13), the elastic sealing ring (1301) is contacted with the outer surface of the connecting head (6), and good sealing performance is kept between the connecting head (6) and the connecting block (5), after the connector (6) is detached, the fixing nut (1501) is rotated to be taken down from the limiting rod (15), can take off from mounting panel (1) printing shower nozzle main part (2), convenient and fast improves the change efficiency of follow-up printing shower nozzle main part (2).

Technical Field

The invention relates to the technical field of 3D printers, in particular to a 3D printer printing nozzle convenient to replace.

Background

The 3D printer is a novel printing apparatus, and the multi-direction removal through the shower nozzle melts the back blowout and carries out the bonding with the raw materials, can print out three-dimensional object, prints shower nozzle and conveying pipeline and connects the raw materials blowout, but current printing shower nozzle still has some weak points when using:

present printing shower nozzle is comparatively inconvenient when dismantling the change, need dismantle the conveying pipeline from the shower nozzle earlier, then dismantle the shower nozzle, and whole dismantlement process is comparatively loaded down with trivial details, consuming time power, and the connection between conveying pipeline and the shower nozzle takes place easily not hard up, influences the stability of follow-up shower nozzle work, has reduced the use convenience of device.

Aiming at the problems, innovative design is urgently needed on the basis of the original printing spray head.

Disclosure of Invention

The invention aims to provide a 3D printer printing nozzle convenient to replace, and aims to solve the problems that the existing printing nozzle in the market is inconvenient to disassemble and replace, a conveying pipeline needs to be disassembled from the nozzle first, then the nozzle is disassembled, the whole disassembling process is complicated, time and labor are consumed, and the connection between the conveying pipeline and the nozzle is easy to loosen.

In order to achieve the purpose, the invention provides the following technical scheme: A3D printer printing nozzle convenient to replace comprises a mounting plate, a printing nozzle main body, a sliding rod and a movable seat, wherein the printing nozzle main body is arranged on the front side of the mounting plate, the sliding rod penetrates through the rear side of the mounting plate, the movable seats are arranged at the left end and the right end of the sliding rod, a connecting block is inlaid above the printing nozzle main body, a connecting head is arranged inside the connecting block, a conveying pipeline is inlaid at the upper end of the connecting head, a positioning rod is arranged inside the connecting block, a reset spring is nested on the surface of the positioning rod, an electromagnet is arranged on the left side of the positioning rod, a mounting groove is formed in the outer side of the electromagnet and is formed in the connecting block, a first elastic air bag is arranged inside the mounting groove, a second elastic air bag is arranged below the first elastic air bag and is located on the inner side of the, the left and right sides of printing shower nozzle main part all inlays and has the installation piece, and the middle part of installation piece runs through there is the gag lever post to the gag lever post is inlayed at the front side surface of mounting panel.

Preferably, the surface of the connector is provided with a limiting groove, the overlooking cross section of the limiting groove is designed into a circular ring-shaped structure, and a clamping structure is formed between the limiting groove and the positioning rod.

Preferably, the surface mosaic of locating lever has the baffle, and the left end of locating lever inlays and has the clamp plate to the left side surface mosaic of clamp plate has the magnetic path, and extending structure about constituting between locating lever and the connecting block simultaneously.

Preferably, the inner wall of the mounting groove is embedded with a fixing plate, and the fixing plate and the positioning rod form nested connection.

Preferably, an elastic sealing ring is bonded to the inner side surface of the second elastic airbag, a connecting pipe is arranged on the left side of the second elastic airbag, the inner space of the second elastic airbag is communicated with the inner space of the first elastic airbag through the connecting pipe, and the elastic contraction force of the second elastic airbag is greater than that of the first elastic airbag.

Preferably, a fixing nut is arranged on the surface of the limiting rod, a front-back sliding structure is formed between the limiting rod and the mounting block, and the front end surface of the limiting rod is in a thread-shaped structural design.

Compared with the prior art, the invention has the beneficial effects that: the 3D printer convenient to replace is provided with a printing nozzle;

(1) the positioning rod and the limiting groove are arranged, the connector can be effectively fixed in the connecting block through the clamping between the positioning rod and the limiting groove, the first elastic air bag can be extruded by the pressing plate when the positioning rod moves, the volume of the second elastic air bag is increased, the connecting gap between the connector and the connecting block is filled through the elastic sealing ring, the good sealing performance of the connecting part is kept, the position of the positioning rod can be controlled through the electromagnet subsequently, the connector is convenient to install and disassemble, the stability is high, and the practicability of the device is improved;

(2) Be provided with the gag lever post, the connection of accessible gag lever post and installation piece is fixed a position printing shower nozzle main part on the mounting panel, follow-up through fixation nut to it can, convenient and fast saves follow-up printing shower nozzle main part and changes required time, improves the use convenience of device.

Drawings

FIG. 1 is a schematic view of the main sectional structure of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is a schematic view of a top-down structure of the connecting block of the present invention;

FIG. 4 is a schematic top view of the mounting block of the present invention;

fig. 5 is a schematic view of the connection structure of the positioning rod according to the present invention.

In the figure: 1. mounting a plate; 2. printing the nozzle body; 3. a slide bar; 4. a movable seat; 5. connecting blocks; 6. a connector; 601. a limiting groove; 7. a delivery pipe; 8. positioning a rod; 801. a baffle plate; 802. pressing a plate; 803. a magnetic block; 9. a return spring; 10. an electromagnet; 11. mounting grooves; 1101. a fixing plate; 12. a first elastic air bag; 13. a second elastic air bag; 1301. an elastic sealing ring; 1302. a connecting pipe; 14. mounting blocks; 15. a limiting rod; 1501. and (5) fixing the screw cap.

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.

Referring to fig. 1-5, the present invention provides a technical solution: A3D printer printing nozzle convenient to replace comprises a mounting plate 1, a printing nozzle main body 2, a slide rod 3, a movable seat 4, a connecting block 5, a connector 6, a conveying pipeline 7, a positioning rod 8, a reset spring 9, an electromagnet 10, a mounting groove 11, a first elastic airbag 12, a second elastic airbag 13, a mounting block 14 and a limiting rod 15, wherein the printing nozzle main body 2 is arranged on the front side of the mounting plate 1, the slide rod 3 penetrates through the rear side of the mounting plate 1, the movable seats 4 are arranged at the left end and the right end of the slide rod 3, the connecting block 5 is embedded above the printing nozzle main body 2, the connector 6 is arranged inside the connecting block 5, the conveying pipeline 7 is embedded at the upper end of the connector 6, the positioning rod 8 is arranged inside the connecting block 5, the reset spring 9 is embedded on the surface of the positioning rod 8, the electromagnet 10 is arranged on the left side of the positioning rod 8, the mounting groove 11 is formed in the connecting block 5, a first elastic airbag 12 is arranged in the mounting groove 11, a second elastic airbag 13 is arranged below the first elastic airbag 12, the second elastic airbag 13 is located on the inner side of the connecting block 5, mounting blocks 14 are embedded in the left side and the right side of the printing nozzle main body 2, a limiting rod 15 penetrates through the middle of each mounting block 14, and the limiting rod 15 is embedded in the front side surface of the mounting plate 1;

The surface of the connecting head 6 is provided with a limiting groove 601, the overlooking cross section of the limiting groove 601 is designed into a circular structure, a clamping structure is formed between the limiting groove 601 and the positioning rod 8, and the position of the connecting head 6 in the connecting block 5 can be limited through the subsequent clamping of the positioning rod 8 and the limiting groove 601 by the structural design, so that the connecting head is kept stable;

the surface of the positioning rod 8 is embedded with a baffle 801, the left end of the positioning rod 8 is embedded with a pressing plate 802, the left side surface of the pressing plate 802 is embedded with a magnetic block 803, and a left-right telescopic structure is formed between the positioning rod 8 and the connecting block 5, the structure design can control the position of the positioning rod 8 through the matching of the subsequent electromagnet 10 and the magnetic block 803, and the volume of the first elastic air bag 12 can be controlled through the pressing plate 802 when the positioning rod 8 moves;

a fixing plate 1101 is inlaid in the inner wall of the mounting groove 11, the fixing plate 1101 and the positioning rod 8 form nested connection, and the first elastic air bag 12 can be extruded by the aid of the fixing plate 1101 and the pressing plate 802 in the structural design, so that the volume of the first elastic air bag is controlled;

an elastic sealing ring 1301 is bonded on the inner side surface of the second elastic air bag 13, a connecting pipe 1302 is arranged on the left side of the second elastic air bag 13, the inner space of the second elastic air bag 13 is communicated with the inner space of the first elastic air bag 12 through the connecting pipe 1302, meanwhile, the elastic contraction force of the second elastic air bag 13 is larger than that of the first elastic air bag 12, the volume of the second elastic air bag 13 can be controlled after the volume of the first elastic air bag 12 is changed, and a connecting gap between the connecting block 5 and the connecting head 6 is filled by matching with the elastic sealing ring 1301;

The surface of gag lever post 15 is provided with fixation nut 1501, and constitutes front and back sliding structure between gag lever post 15 and the installation piece 14 to the front end surface of gag lever post 15 is screw thread structural design, and the removal of above-mentioned structural design accessible fixation nut 1501 on gag lever post 15 is fixed installation piece 14, makes things convenient for the installation and the dismantlement of follow-up printing shower nozzle main part 2.

The working principle is as follows: when the 3D printer print head convenient to replace is used, firstly, as shown in fig. 1 and 2, when the print head main body 2 needs to be disassembled and replaced, the electromagnet 10 can be powered off, the magnetism generated by the electromagnet 10 is opposite to the magnetism of the magnetic block 803, so that the electromagnet 10 can generate a repulsive force with the magnetic block 803 when powered on, and as shown in fig. 3, after the electromagnet 10 is powered off, the return spring 9 pushes the positioning rod 8 to move through the baffle 801, the connection between the positioning rod 8 and the limiting groove 601 is released, meanwhile, when the positioning rod 8 moves, the pressing plate 802 is driven to move towards the left side, the pressing of the pressing plate 802 on the first elastic air bag 12 is released, at this time, the second elastic air bag 13 will contract, the internal gas enters the first elastic air bag 12 through the connecting pipe 1302, at the same time, the elastic sealing ring 1301 contracts, the pressing of the connecting head 6 is released, and then the connecting head 6 can be pulled out from the connecting block 5, the connection between the material conveying pipe 7 and the printing nozzle main body 2 is released;

When the connector 6 is subsequently installed, the connector 6 is inserted into the connecting block 5, the electromagnet 10 is electrified, the electromagnet 10 and the magnetic block 803 repel each other, the positioning rod 8 is enabled to move towards the right side and is clamped with the limiting groove 601 again, meanwhile, the pressing plate 802 is matched with the fixing plate 1101 to extrude the first elastic air bag 12, gas is sent into the second elastic air bag 13, the elastic sealing ring 1301 is enabled to be in contact with the outer surface of the connector 6, good sealing performance is kept between the connector 6 and the connecting block 5, after the connector 6 is detached, as shown in a combined figure 4, the fixing nut 1501 is rotated to be detached from the limiting rod 15, the printing nozzle main body 2 can be detached from the mounting plate 1, convenience and rapidness are achieved, the replacement efficiency of the subsequent printing nozzle main body 2 is improved, and the practicability of the device is improved.

Those not described in detail in this specification are within the skill of the art.

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 various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.