CN107856294A

CN107856294A - The 3D printer of nozzle component and the application component

Info

Publication number: CN107856294A
Application number: CN201711393939.9A
Authority: CN
Inventors: 李玉清
Original assignee: Haian Kehao Textile Co Ltd
Current assignee: Haian Kehao Textile Co Ltd
Priority date: 2017-12-21
Filing date: 2017-12-21
Publication date: 2018-03-30

Abstract

This application provides the 3D printer of a kind of nozzle component and the application component,Belong to 3D printer technical field,Including linkage connector,Radiator,Teflon pipe,Trunnion and shower nozzle,Teflon pipe bottom outer wall connects with trunnion inwall interference fit,The lower end of trunnion flushes with the lower end of Teflon pipe,The connecting portion upper end of Teflon pipe and trunnion is located in radiator,The lower end of connecting portion to the outer wall of the connecting portion of radiator lower end is arranged with heat block,Trunnion it is upper,Lower both ends are fixed with the first sealing ring and the second sealing ring respectively,The Flexible Connector of evagination is provided between trunnion top and Teflon pipe,The connection end of Flexible Connector and Teflon pipe is located at the first sealing ring top,Flexible Connector is provided with the groove corresponding with the first sealing ring close to the side of the first sealing ring,Flexible Connector is fixed with needle body away from the first sealing ring side,Needle body is in umbrella away from Flexible Connector one end；The application can prevent shower nozzle from blocking, and printing precision and quality are high.

Description

The 3D printer of nozzle component and the application component

Technical field

The application is related to 3D printer technical field, more particularly to a kind of nozzle component and the 3D printing using the component Machine.

Background technology

3D printer is also known as three-dimensional printer (3DP), is a kind of a kind of machine of accumulation manufacturing technology, i.e. RP technique Device, based on it is a kind of mathematical model file, with special wax material, powdery metal or plastics etc. can jointing material, pass through Printing jointing material from level to level manufactures the object of three-dimensional.Three-dimensional printer is used to manufacture product at this stage.Successively print Mode carry out the technology of constructed object.The principle of 3D printer is that data and raw material are put into 3D printer, and machine can be according to Program is from level to level created product.

3D printing has become a kind of trend, and starts to be widely used in design field, especially industrial design, number production Product die sinking etc., the printing of a grinding tool can be completed within a few hours, has saved many products to the development time in market.3D is beaten Print machine can print threedimensional model with various raw materials, and using 3D Autocads, engineers design goes out a model or prototype Afterwards, what is no matter designed is a house or heart valve prosthesis, and the 3D printer produced afterwards by associated companies is carried out Printing, the raw material of printing can be organic or inorganic materials, such as rubber, even plastics, human organ, different The printing material that printer manufacturer is provided is different；

In the prior art, in the 3D printer course of work, often there is clogging in 3D printer shower nozzle, and it is main former Because the heat for having plenty of fire end is delivered to feeding side in the form of heat radiation, heat transfer, cause the temperature of feeding side higher, expect Expansion and softening just occurs to early in positions such as radiating tube, trunnions in silk, and insufficient strength is difficult to promote, and causes shower nozzle to block； It is not good enough also to have plenty of the radiating effect of fin, can cause consumptive material in trunnion or also just not softened into trunnion, And normal condition be consumptive material enter heat block after just start to soften, soften in advance, cause shower nozzle to block so that 3D printer can not Continuous-stable works；In addition, in print procedure, there is also because the silk of nozzle extrusion can not cool down in time and caused by print The bad situation of quality.

Therefore, how for present in above-mentioned prior art the shortcomings that, carries out research and development improvement, is actually exerted needed for relevant industry In view of this target of power research and development, the application designer, are the idea of think of and creation, designed then with experience for many years, pass through In many ways inquire into and study sampling test, and repeatedly amendment improvement, it is to release the application.

Such as Application No.：201720107855.3 Chinese patent disclose a kind of ejecting device of 3D printer, its It is characterised by, including nozzle, trunnion, heat block, fin and the first Teflon pipe, the discharge end of the trunnion and the nozzle Feed end connection, the heat block is coated on the junction of the nozzle and the trunnion, and the fin is coated on described The feed end of trunnion, first Teflon pipe are arranged in the trunnion, and the discharge end of first Teflon pipe is used for Consumptive material is conveyed to the nozzle, the feed end of first Teflon pipe passes the feed end of the trunnion；Disclosed in this application First Teflon pipe is arranged in trunnion by ejecting device, the feed end connection of trunnion discharge end and nozzle, when blanking is very fast, Silk in first Teflon pipe easily occurs during trunnion is entered in connection gap of first Teflon pipe in trunnion The situation that silk blocks, influence the normal print work of 3D printer.

The content of the invention

(1) technical problems to be solved

In view of above-mentioned technical problem, this application provides a kind of radiating efficiency that can improve nozzle component itself, is prevented Shower nozzle blocks, and ejection silk is cooled down in time, and printing precision and quality are high, saves the nozzle component of the energy and using the component 3D printer.

(2) technical scheme

It is described this application provides a kind of nozzle component, including linkage connector, radiator, Teflon pipe, trunnion and shower nozzle Teflon pipe is connected through the radiator with the shower nozzle, and Teflon pipe bottom outer wall is matched somebody with somebody with the trunnion inwall interference Connection is closed, the lower end of the trunnion flushes with the lower end of the Teflon pipe, the Teflon pipe and the connecting portion of the trunnion Upper end is located in the radiator, and the outer wall of the connecting portion of lower end to the radiator lower end of the connecting portion is arranged with Heat block, the upper/lower terminal of the trunnion are fixed with the first sealing ring and the second sealing ring, the trunnion top and institute respectively State the Flexible Connector that evagination is provided between Teflon pipe, the Flexible Connector is located at the connection end of the Teflon pipe The first sealing ring top, the Flexible Connector are provided with and first sealing ring close to the side of first sealing ring Corresponding groove, the Flexible Connector are fixed with needle body away from the first sealing ring side, and the needle body is away from institute It is in umbrella to state Flexible Connector one end.

In some embodiments of the present application, the radiator includes radiator, radiator fan and heat dissipation tank, the radiating Fan is arranged in the heat dissipation tank side wall, and the needle body is in the laterally inserted radiator in umbrella one end.

In some embodiments of the present application, the heat dissipation tank side wall is provided with thermovent, and the thermovent is provided with anti- Dirt net, the radiator fan are arranged on the outside of the Air Filter, and the thermovent is provided with least two, the radiator fan with The quantity of the thermovent is corresponding.

In some embodiments of the present application, the heat dissipation tank bottom is provided with two ventilations connected with the heat dissipation tank Pipe, the breather pipe are separately positioned on the left and right sides of the heat dissipation tank, and the venting tube outlet is directed at the shower nozzle.

In some embodiments of the present application, connection ring is equipped with the trunnion top and the Teflon pipe, it is described Flexible Connector is fixedly connected by connection ring with the Teflon pipe and the trunnion.

In some embodiments of the present application, the internal diameter of the internal diameter of first sealing ring and second sealing ring with The external diameter interference fit connection of the Teflon pipe, the external diameter of first sealing ring and second sealing ring with the larynx Pipe external diameter is equal.

In some embodiments of the present application, cladding is provided with stay-warm case on the outside of the heat block, and the stay-warm case is provided with Passage.

In some embodiments of the present application, the bottom of the stay-warm case and the second sealing ring bottom surface inner diameter edge It is fixedly connected.

This application provides a kind of 3D printer using nozzle component, including control device, feeding structure and jet head sets Part, the feed mechanism are connected by the linkage connector with the nozzle component, and the feed mechanism bottom is provided with feeding Seeker mechanism and passage, the passage run through the feeding seeker mechanism, and the passage lower end penetrates the spray Head assembly, the guide pipe outer wall connect with the Teflon pipe inwall interference fit in the nozzle component.

In some embodiments of the present application, the feeding seeker mechanism is located at radiator described in the nozzle component Upper side, the passage below the feeding seeker mechanism are located inside the radiator.

(3) beneficial effect

It can be seen from the above technical proposal that the application at least has the advantages that one of them：

(1) nozzle component that the application provides, is matched somebody with somebody by the way that Teflon pipe bottom outer wall is arranged into interference with trunnion inwall Connection is closed, can prevent that melt flows backwards when blanking is very fast and existing gap occurs what is blocked between trunnion and Teflon pipe Phenomenon；

(2) nozzle component that the application provides, passes through the company of the lower end for being coated on connecting portion to the radiator lower end of setting The heat block of socket part outer wall, it can effectively reduce Teflon pipe and the increasing degree of radiator temperature in radiator, increase Effective driving force and fluency of the material in trunnion；

(3) nozzle component that the application provides, by two breather pipes of setting, pass through the cooling gas in heat dissipation tank logical Tracheae outlet discharge, can be such that the material that shower nozzle is extruded quickly is cooled down, and improve print quality；

(4) nozzle component that the application provides, by the first sealing ring and the second sealing ring of setting, can effectively be prevented Heat is delivered to radiator with the joint face along trunnion and Teflon pipe in the form of cross-ventilated, effectively can prevent this from going out Material premature expansion or softening to cause shower nozzle to block；

(5) nozzle component that the application provides, by the Flexible Connector of setting, can not only increase trunnion and Teflon Firmness between pipe, prevent trunnion from departing from Teflon pipe, and the needle body set on Flexible Connector can also increase larynx Degree of being connected firmly between pipe and radiator；

(6) nozzle component that the application provides, by the stay-warm case of setting, heat block can be advantageous to and keep constant temperature, section The about energy；

(7) 3D printer using nozzle component that the application provides, by by guide pipe outer wall and Teflon pipe inwall It is arranged to interference fit connection, not only effectively reduces situation about blocking, and can be when stopping state occurs, convenient row Except plugging material or high temperature resistant trunnion is changed, improves operating efficiency；

(8) 3D printer using nozzle component that the application provides, structure design is simple, functional, not only can be with Prevent shower nozzle from blocking, improve radiating efficiency, and can quickly be printed, and printing precision and quality significantly improve, and save The energy, and service life is grown.

Brief description of the drawings

Fig. 1 is the structural representation of the application nozzle component；

Fig. 2 is the application Fig. 1 partial enlarged drawing；

Fig. 3 is the part-structure schematic diagram of the application 3D printer.

【The application main element symbol description】

1st, feed mechanism；2nd, feeding seeker mechanism；3rd, linkage connector；4th, passage；5th, Teflon pipe；51st, elasticity connects Fitting；52nd, connection ring,；53rd, needle body；54th, groove；6th, trunnion；601st, the first sealing ring；602nd, the second sealing ring；7th, it is incubated Cover；701st, passage；8th, heat block；9th, breather pipe；10th, heat dissipation tank；1001st, thermovent；1002nd, Air Filter；11st, radiator； 12nd, shower nozzle；13rd, radiator fan.

Embodiment

It is functional this application provides a kind of structure design is simple, it can not only prevent shower nozzle from blocking, improve radiating effect Rate, and can quickly be printed, and printing precision and quality significantly improve, and have saved the energy, and the spray of service life length The 3D printer of head assembly and the application component.

For the purpose, technical scheme and advantage of the application are more clearly understood, below in conjunction with specific embodiment, and reference Accompanying drawing, the application is further described.

In the exemplary embodiment of the application, there is provided a kind of nozzle component.As depicted in figs. 1 and 2, the application Including linkage connector 3, radiator, Teflon pipe 5, trunnion 6 and shower nozzle 12, the Teflon pipe 5 passes through the radiator and institute State shower nozzle 12 to connect, the bottom outer wall of Teflon pipe 5 connects with the inwall of trunnion 6 interference fit, the lower end of the trunnion 6 Flushed with the lower end of the Teflon pipe 5, the Teflon pipe 5 and the connecting portion upper end of the trunnion 6 are located at the radiator Interior, the outer wall of the connecting portion of lower end to the radiator lower end of the connecting portion is arranged with heat block 8, the trunnion 6 Upper/lower terminal be fixed with the first sealing ring 601 and the second sealing ring 602 respectively, the top of trunnion 6 and the Teflon The Flexible Connector 51 of evagination is provided between pipe 5, the Flexible Connector 51 is located at institute with the connection end of the Teflon pipe 5 The top of the first sealing ring 601 is stated, the Flexible Connector 51 is provided with and described first close to the side of first sealing ring 601 The corresponding groove 54 of sealing ring 601, the Flexible Connector 51 are fixed with needle body away from the side of the first sealing ring 601 53, the needle body 53 is in umbrella away from described one end of Flexible Connector 51；The application is by by the bottom outer wall of Teflon pipe 5 and larynx The inwall of pipe 6 is arranged to interference fit connection, can prevent when blanking is very fast melt flow backwards and trunnion 6 and Teflon pipe 5 it Between existing gap there is the phenomenon blocked.

Each part of the present embodiment is described in detail individually below：

Specifically, as depicted in figs. 1 and 2, the cladding of heat block 8 is arranged on the whole outside that trunnion 6 is located at bottom radiator On wall, the bottom of heat block 8 is located at the top edge of the second sealing ring 602, concentrates heat block 8 and trunnion 6 is heated, this Apply for the heat block of the connecting portion outer wall of lower end to the radiator lower end for being coated on connecting portion set, can effectively reduce scattered Teflon pipe 5 and the increasing degree of radiator temperature in hot device, increase effective driving force and smoothness of the material in trunnion 6 Degree.

Specifically, in this embodiment of the application, as shown in Figure 1 to Figure 2, the radiator includes radiator 11, dissipated Hot-air fan 13 and heat dissipation tank 10, the radiator fan 13 are arranged in the side wall of heat dissipation tank 10, and the needle body 53 is in umbrella one Hold in the laterally inserted radiator 11, the side wall of heat dissipation tank 10 is provided with thermovent 1001, is set on the thermovent 1001 There is Air Filter 1002, the radiator fan 13 is arranged on the outside of the Air Filter 1002, and the thermovent 1001 is provided with least Two, the radiator fan 13 is corresponding with the quantity of the thermovent 1001；The bottom of heat dissipation tank 10 is provided with two and institute The breather pipe 9 of the connection of heat dissipation tank 10 is stated, the breather pipe 9 is separately positioned on the left and right sides of the heat dissipation tank 10, the ventilation Pipe 9, which exports, is directed at the shower nozzle 12；The application passes through the cooling gas in heat dissipation tank 10 by two breather pipes 9 of setting The outlet of breather pipe 9 discharge, can be such that the material that shower nozzle 12 is extruded quickly is cooled down, and improve print quality.

Specifically, the thermovent 1001 on heat dissipation tank 10 is settable four, the side wall of the surrounding of heat dissipation tank 10 is evenly distributed on On, Air Filter 1002 is equipped with corresponding each thermovent 1001, the outside of Air Filter 1002 is equipped with radiator fan 13, dissipates Hot-air fan 13 is fixedly connected with thermovent 1001.

Specifically, as shown in figure 1, two breather pipes 9 that the bottom of heat dissipation tank 10 is set are separately positioned on the central shaft of heat dissipation tank 10 Both sides, and the outlet of two breather pipes 9 to central axis direction bend, make breather pipe 9 outlet alignment shower nozzle 12, shower nozzle 12 can be made The material of ejection is quickly cooled down, sizing, and then improves print quality.

Specifically, as shown in Fig. 2 in the laterally inserted radiator 11 of needle body 53, the umbrella-shaped structure of the end of needle body 53, can prevent Needle body 53 radiating body activity, add the firmness between trunnion 6 and Teflon pipe 5 and radiator 11.

Specifically, in this embodiment of the application, as depicted in figs. 1 and 2, the top of trunnion 6 and the Teflon Connection ring 52 is equipped with pipe 5, the Flexible Connector 51 is solid by connection ring 52 and the Teflon pipe 5 and the trunnion 6 Fixed connection；The application can not only increase the firm journey between trunnion 6 and Teflon pipe 5 by the Flexible Connector 51 of setting Degree, prevents trunnion 6 from departing from Teflon pipe 5, and the needle body 53 set on Flexible Connector 51 can also increase trunnion 6 and radiating Degree of being connected firmly between body 11.

Specifically, Flexible Connector 51 has retractility, the firmness between trunnion 6 and Teflon pipe 5 is being reinforced Meanwhile certain cushioning effect is also acted as, prevent from causing mechanical damage to trunnion 6 and Teflon pipe 5.

Specifically, in this embodiment of the application, as depicted in figs. 1 and 2, the internal diameter of first sealing ring 601 and The internal diameter of second sealing ring 602 is interference fitted with the external diameter of the Teflon pipe 5 and connected, first sealing ring 601 It is equal with the external diameter of trunnion 6 with the external diameter of second sealing ring 602；The first sealing ring 601 that the application passes through setting With the second sealing ring 602, it can effectively prevent heat as the joint face along trunnion 6 and Teflon pipe 5 is with cross-ventilated Form is delivered to radiator 11, can effectively prevent the material premature expansion or softening from causing shower nozzle 12 to block.

Specifically, in this embodiment of the application, as shown in figure 1, the outside of the heat block 8 cladding is provided with stay-warm case 7, The stay-warm case 7 is provided with passage 701；The bottom of the stay-warm case 7 and the bottom surface inner diameter edge of the second sealing ring 602 It is fixedly connected；The application can be advantageous to heat block 8 and keep constant temperature, save the energy by the stay-warm case 7 of setting.

Specifically, stay-warm case 7 coats the outside for being arranged on heat block 8, the bottom of stay-warm case 7 is located at second sealing ring 602 lower edge, surround the second sealing ring 602, be so advantageous to heat block 8 keep constant temperature, and the heat of trunnion 6 dissipate Lose, save the energy.

In another embodiment of the application, as shown in figure 3, this application discloses a kind of 3D printing using nozzle component Machine, including control device, feeding structure 1 and nozzle component, the feed mechanism 1 pass through the linkage connector 3 and the shower nozzle Component connects, and the bottom of feed mechanism 1 is provided with feeding seeker mechanism 2 and passage 4, and the passage 4 is through described Feeding seeker mechanism 2, the lower end of passage 2 penetrate the nozzle component, the outer wall of passage 2 and the nozzle component In the inwall of the Teflon pipe 5 interference fit connection；The application is by the way that the outer wall of passage 4 and the inwall of Teflon pipe 5 are set Connected into interference fit, not only effectively reduce situation about blocking, and can be convenient to exclude to block up when stopping state occurs Fill in material or change high temperature resistant trunnion 6, improve operating efficiency.

Specifically, as shown in figure 3, passage 4 of the linkage connector below 3 is fully located in radiator, passage 4 and iron fluorine The connection end of imperial pipe 5 is similarly positioned in radiator, and passage 4 is inserted in Teflon pipe 5, is interference fitted and is connected with Teflon pipe 5, Such design can effectively prevent the generation of stopping state.

Specifically, in this embodiment of the application, as shown in figure 3, the feeding seeker mechanism 2 is located at the shower nozzle Radiator upper side described in component, the passage 4 of the lower section of feeding seeker mechanism 2 are located in the radiator Portion.

So far, the present embodiment is described in detail combined accompanying drawing.According to above description, those skilled in the art There should be clear understanding to the application.

It should be noted that in accompanying drawing or specification text, the implementation that does not illustrate or describe is affiliated technology Form known to a person of ordinary skill in the art, is not described in detail in field.In addition, the above-mentioned definition to each element and method is simultaneously It is not limited only to various concrete structures, shape or the mode mentioned in embodiment.

It should also be noted that, the demonstration of the parameter comprising particular value can be provided herein, but these parameters are without definite etc. In corresponding value, but analog value can be similar in acceptable error margin or design constraint.The side mentioned in embodiment To term, such as " on ", " under ", "front", "rear", "left", "right" etc., only it is the direction of refer to the attached drawing, is not used for limiting this The protection domain of application.In addition, unless specifically described or the step of must sequentially occur, the order of above-mentioned steps, which has no, to be limited to It is listed above, and can change or rearrange according to required design.And above-described embodiment can be based on design and reliability Consider, the collocation that is mixed with each other uses using or with other embodiment mix and match, i.e., the technical characteristic in different embodiments can be with Freely form more embodiments.

Particular embodiments described above, the purpose, technical scheme and beneficial effect of the application are carried out further in detail Describe in detail bright, should be understood that the specific embodiment that the foregoing is only the application, be not limited to the application, it is all Within spirit herein and principle, any modification, equivalent substitution and improvements done etc., the guarantor of the application should be included in Within the scope of shield.

Claims

A kind of 1. nozzle component, it is characterised in that：Including linkage connector (3), radiator, Teflon pipe (5), trunnion (6) and spray Head (12), the Teflon pipe (5) connects through the radiator with the shower nozzle (12), outside Teflon pipe (5) bottom Wall connects with the trunnion (6) inwall interference fit, and the lower end of the trunnion (6) flushes with the lower end of the Teflon pipe (5), The Teflon pipe (5) and the connecting portion upper end of the trunnion (6) are located in the radiator, lower end to the institute of the connecting portion The outer wall for stating the connecting portion of radiator lower end is arranged with heat block (8), and the upper/lower terminal of the trunnion (6) is fixed respectively Provided with the first sealing ring (601) and the second sealing ring (602), it is provided between trunnion (6) top and the Teflon pipe (5) The Flexible Connector (51) of evagination, the Flexible Connector (51) with the connection end of the Teflon pipe (5) positioned at described the One sealing ring (601) top, the Flexible Connector (51) are provided with and described the close to the side of first sealing ring (601) The corresponding groove (54) of one sealing ring (601), the Flexible Connector (51) are solid away from the first sealing ring (601) side Surely needle body (53) is provided with, the needle body (53) is in umbrella away from the Flexible Connector (51) one end.
2. nozzle component according to claim 1, it is characterised in that：The radiator includes radiator (11), radiation air Fan (13) and heat dissipation tank (10), the radiator fan (13) are arranged in the heat dissipation tank (10) side wall, and the needle body (53) is in In the laterally inserted radiator (11) in umbrella one end.
3. nozzle component according to claim 2, it is characterised in that：Heat dissipation tank (10) side wall is provided with thermovent (1001), the thermovent (1001) is provided with Air Filter (1002), and the radiator fan (13) is arranged on the Air Filter (1002) outside, the thermovent (1001) are provided with least two, the radiator fan (13) and the thermovent (1001) Quantity it is corresponding.
4. nozzle component according to claim 3, it is characterised in that：Heat dissipation tank (10) bottom be provided with two with it is described The breather pipe (9) of heat dissipation tank (10) connection, the breather pipe (9) are separately positioned on the left and right sides of the heat dissipation tank (10), institute State breather pipe (9) outlet and be directed at the shower nozzle (12).
5. nozzle component according to claim 1, it is characterised in that：Trunnion (6) top and the Teflon pipe (5) On be equipped with connection ring (52), the Flexible Connector (51) passes through connection ring (52) and the Teflon pipe (5) and the larynx Pipe (6) is fixedly connected.
6. nozzle component according to claim 1, it is characterised in that：The internal diameter of first sealing ring (601) and described The internal diameter of second sealing ring (602) is interference fitted with the external diameter of the Teflon pipe (5) and connected, first sealing ring (601) and second sealing ring (602) external diameter it is equal with the trunnion (6) external diameter.
7. nozzle component according to claim 1, it is characterised in that：Cladding is provided with stay-warm case on the outside of the heat block (8) (7), the stay-warm case (7) is provided with passage (701).
8. nozzle component according to claim 7, it is characterised in that：The bottom of the stay-warm case (7) and described second close Seal (602) bottom surface inner diameter edge is fixedly connected.
9. a kind of 3D printer of nozzle component using described in claim 1, including control device, feeding structure (1) and spray Head assembly, the feed mechanism (1) are connected by the linkage connector (3) with the nozzle component, under the feed mechanism (1) Portion is provided with feeding seeker mechanism (2) and passage (4), and the passage (4) runs through the feeding seeker mechanism (2), It is characterized in that：Passage (2) lower end penetrates the nozzle component, passage (2) outer wall and the nozzle component In the Teflon pipe (5) inwall interference fit connection.
10. 3D printer according to claim 9, it is characterised in that：The feeding seeker mechanism (2) is located at the spray Radiator upper side described in head assembly, the passage (4) below the feeding seeker mechanism (2) are located at the radiating Inside device.