CN204977465U - Three -dimensional shower nozzle and three -dimensional inkjet printer of printing - Google Patents
Three -dimensional shower nozzle and three -dimensional inkjet printer of printing Download PDFInfo
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- CN204977465U CN204977465U CN201520560929.XU CN201520560929U CN204977465U CN 204977465 U CN204977465 U CN 204977465U CN 201520560929 U CN201520560929 U CN 201520560929U CN 204977465 U CN204977465 U CN 204977465U
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- hole slot
- shower nozzle
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Abstract
The utility model provides a three -dimensional shower nozzle and three -dimensional inkjet printer of printing. The three -dimensional shower nozzle of printing is connected with the heating piece including heating piece, nozzle, and the heating piece has hole groove and the cavity more than two, and each hole groove all communicates with the cavity, and cavity and nozzle communicate. Three -dimensional inkjet printer adopts the foretell three -dimensional shower nozzle of printing. The utility model provides a three -dimensional printer head that beats can make a plurality of hole grooves hold different kinds of silk material respectively, realizes multiple silk material and prints freely switching of in -process in the three -dimensional.
Description
Technical field
The utility model relates to 3 D-printing field, specifically, relates to a kind of 3 D-printing shower nozzle of FDM type and the three-dimensional printer of this 3 D-printing shower nozzle of application.
Background technology
Three-dimensional printer, also known as 3D printer, is a kind of machine utilizing rapid shaping technique, based on mathematical model file, adopts moulding material to construct three-dimensional entity by the mode successively printed.Before printing, need to utilize microcomputer modelling software modeling, then the threedimensional model " subregion " built up is become cross section successively, namely cut into slices, thus instruct 3D printer successively to print.3D printer obtains a wide range of applications at product manufacturing industry.
Usually, 3D prints rapid shaping technique and mainly comprises three types: stereo carving (Stereolithography), successively superpose manufacture (LaminatedObjectManufacturing) and selective deposition moulding (SelectiveDepositionModeling).
The moulding general principle of selective deposition is data message three-dimensional body step section being obtained every one deck cross section, is created by object based on these information.The selective deposition shaping technology of existing one is fused glass pellet (FusedDepositionModeling, FDM) technology.The equipment that fused glass pellet technology uses comprises at least one extrusion head, the feed arrangement of a silk material can be set in extrusion head, by heating element heater to after extrusion head heating, extrusion head can squeeze out the fluent material of melting, and the material squeezed out forms solid structure after cooled and solidified.
Existing FDM three-dimensional printer mostly adopts single 3 D-printing shower nozzle, when the model printed needs colour imaging, current common practice adds multiple 3 D-printing shower nozzle, by the material of multiple 3 D-printing shower nozzle feeding different colours, then realizes colour imaging.But this printer cost with multiple 3 D-printing shower nozzle is higher; and multiple 3 D-printing shower nozzle is all arranged on a guide rod; make this guide rod larger by gravity; thus cause guide rod easily to deform; and then cause printing objects precision low; error is comparatively large, and many 3 D-printings shower nozzle is also unfavorable for transport protection, easily suffers damage.
Application number is that the Chinese invention patent application of CN201510054483.8 discloses a kind of three-dimensional printer and 3 D-printing method, principal character is provided with wire-changing device between three-dimensional printer consumptive material supply electric machine assembly and 3 D-printing shower nozzle, wire-changing device is provided with multiple material inputs and a silk material output, silk material output is connected with 3 D-printing shower nozzle, and wire-changing device is communicated with a guide hole between each material input and silk material output.This structure is to a certain degree providing the handoff functionality of multiple wire rod, but wire-changing device and heater are split-type structural, and its structure relative complex, processing cost is high, is further improved.
Utility model content
First object of the present utility model is to provide the 3 D-printing shower nozzle of a kind of heat block and the integration of silk material switching device shifter.
Second object of the present utility model is to provide the three-dimensional printer of a kind of heat block and the integration of silk material switching device shifter.
The 3 D-printing shower nozzle that the utility model provides comprises heat block; Nozzle is connected with heat block; Heat block has plural hole slot and cavity; Each hole slot is all communicated with cavity; Cavity is communicated with nozzle.
From such scheme, multiple hole slot can hold dissimilar silk material respectively, realizes multiple silk material freely switching in 3 D-printing process.
A preferred scheme is, the quantity of hole slot is two, is respectively the first hole slot and the second hole slot that arrange separated from each other.
From such scheme, the processing technology of the first hole slot, the second hole slot and cavity is simple, and only need to hole on heat block, cavity its two ends when reality uses can block with anti-thermal component on certain distance.First hole slot and the second hole slot can hold dissimilar silk material respectively, realize the switching of silk material in 3 D-printing process.First hole slot, the second hole slot and heat block are integrated, and processing cost is lower, and it is convenient, reasonable to use.The mode of communicating of cavity, the first hole slot, the second hole slot and nozzle, is conducive to silk material and successfully enters in cavity, extruded after melting by nozzle.
A preferred scheme is, the bearing of trend of the first hole slot, the second hole slot is all parallel with the short transverse of heat block; The bearing of trend of cavity is vertical with the short transverse of heat block.
From such scheme, the first hole slot and the second hole slot are more prone to processing, and silk material is easier moves in hole slot.
A preferred scheme is, 3 D-printing shower nozzle also has the first fixture, the first connector, the second fixture and the second connector; First connector two ends are removably connected with the first fixture and the first hole slot respectively; Second connector is removably connected with the second fixture and the second hole slot respectively.
From such scheme, 3 D-printing shower nozzle in use, the Pipe installing heat insulating member of general meeting on heat block, heat insulating member can be made up of Teflon material, be to this has been detailed description at application number in the Chinese invention patent application of CN201410705688.3, this Teflon material easily strains after a certain period of use time, after Teflon loses due function, just need the Teflon material more renewed, and removably connected mode can make this Renewal process just very easy.
Preferred scheme all has internal thread in the first hole slot and in the second hole slot further; All there is internal thread in first fixture and the second fixture; First connector and the second connector all have external screw thread.
Can by such scheme, the processing cost of the mode coordinated that is threaded is low, realization removably connects, in addition, from content disclosed in above-mentioned CN201410705688.3 text, the adjustment of the spacing distance of Teflon material and heat block has great importance, and is threaded and can realizes the minor adjustments of this spacing distance, thus according to the actual requirements spacing distance is controlled in optimum position.
The three-dimensional printer that the utility model provides comprises 3 D-printing shower nozzle, and 3 D-printing shower nozzle comprises heat block; Nozzle is connected with heat block; Heat block has plural hole slot and cavity; Each hole slot is all communicated with cavity; Cavity is communicated with nozzle.
A preferred scheme is, the quantity of hole slot is two, is respectively the first hole slot and the second hole slot that arrange separated from each other; Three-dimensional printer also comprises first material, second material, the first feed mechanism and the second feed mechanism; First feed mechanism and the second feed mechanism are all arranged on the upstream of heat block, and the first feed mechanism is for controlling the gait of march of first material, and the second feed mechanism is for controlling the gait of march of second material.
From such scheme, realize the handoff functionality of different silk material, feed mechanism can adjust the feed rate of silk material, direction of feed, and it is convenient, reasonable to use.
Preferred scheme is that the bearing of trend of the first hole slot, the second hole slot is all parallel with the short transverse of heat block further; The bearing of trend of cavity is vertical with the short transverse of heat block.
Another preferred scheme is, 3 D-printing shower nozzle also has the first fixture, the first connector, the second fixture and the second connector; First connector two ends are removably connected with the first fixture and the first hole slot respectively; Second connector is removably connected with the second fixture and the second hole slot respectively; All there is internal thread in first hole slot and in the second hole slot; All there is internal thread in first fixture and the second fixture; First connector and the second connector all have external screw thread.
The utility model additionally provides a kind of Method of printing of three-dimensional printer, and three-dimensional printer comprises 3 D-printing shower nozzle, and 3 D-printing shower nozzle comprises heat block; Nozzle is connected with heat block; Heat block has plural hole slot and cavity; Each hole slot is all communicated with cavity; Cavity is communicated with nozzle.Three-dimensional printer also comprises two or more silk material; Method of printing comprises above step successively: step 1 obtains three-dimensional body data message; Step 2 selects a kind of silk material to enter in heat block along a hole slot, extrudes in cavity after melting through nozzle; Step 3 is when different types of material changed by needs, selects another kind of silk material to enter in heat block along another hole slot, extrudes in cavity after melting through nozzle; Step 4 is that the process of repetition step 3 is also until the end of print command.
Accompanying drawing explanation
Fig. 1 is the structure chart of the utility model 3 D-printing shower nozzle embodiment.
Fig. 2 is the STRUCTURE DECOMPOSITION figure of the utility model 3 D-printing shower nozzle embodiment.
Fig. 3 is the left view of the utility model 3 D-printing shower nozzle embodiment.
Fig. 4 is the sectional view along A-A direction in Fig. 3.
Fig. 5 is the structure chart of the utility model three-dimensional printer embodiment.
Fig. 6 is the structure chart of the utility model three-dimensional printer embodiment from another angle views.
Fig. 7 is the structure diagram of the utility model three-dimensional printer embodiment.
Fig. 8 is the flow chart of the Method of printing of the utility model three-dimensional printer embodiment.
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Detailed description of the invention
3 D-printing shower nozzle embodiment
As shown in Figure 1, Figure 2 and Figure 3, the 3 D-printing shower nozzle of the present embodiment has the first fixture 10, first connector 11, second fixture 12, second connector 13, heat block 14 and nozzle 15.Have heating member and thermocouple in heat block 14, nozzle 15 is removably connected with heat block 14, and dismountable mode can be being connected of internal and external threads.All have internal thread in first fixture 10 and the second fixture 12, the first connector 11 and the second connector 13 all have external screw thread.
As shown in Figure 4, the shape in heat block 14 with the first hole slot 16, second hole slot 17 and cavity 18, first hole slot 16, second hole slot 17 and cavity 18 can be all cylindrical, the shape such as rectangle or ellipse, preferably cylindrical.All there is internal thread in first hole slot 16 with in the second hole slot 17.The bearing of trend of the first hole slot 16, second hole slot 17 is all parallel with the short transverse (direction of Fig. 4 arrow) of heat block 14, and the bearing of trend of cavity 18 is vertical with the short transverse of heat block 14.Corresponding adjustment can be carried out in the direction of the development length of cavity 18, but its length should guarantee that cavity 18 at least can be communicated with the second hole slot 17 with the first hole slot 16, and cavity 18 is also communicated with nozzle 15.During actual use, cavity 18 is not through in heat block 14, and its two ends are enclosed construction.
The mode that first connector 11 two ends are coordinated by internal and external threads with the first fixture 10 and the first hole slot 16 respectively is removably connected.Second connector 13 is removably connected by the mode of internal and external threads with the second fixture 12 and the second hole slot 17 respectively.
Three-dimensional printer embodiment
As shown in Figure 5 and Figure 6, three-dimensional printer comprises housing 101, X-axis mobile motor 121 is installed in housing 101, Y-axis mobile motor 122 and Z axis mobile motor (sign), Z axis mobile motor is connected with screw rod, also guide rod is installed at diapire, guide rod is provided with Z axis traversing carriage 131, this Z axis traversing carriage 131 is provided with print platform 132, because Z axis traversing carriage 131 engages with screw flight, so when Z axis mobile motor works, screw rod will be driven to rotate, then print platform 132 is made to move in the Z-axis direction under the driving of Z axis mobile motor.
Y-axis mobile motor 122 is arranged on sidewall, sidewall is fixedly installed guide rod, guide rod is provided with Y-axis traversing carriage, Y-axis mobile motor is connected with Y-axis traversing carriage by belt, when Y-axis mobile motor 122 rotates, to be slided along guide rod by belt drive Y-axis traversing carriage, namely Y-axis traversing carriage moves in the Y-axis direction under the driving of Y-axis mobile motor 122.
Y-axis traversing carriage is provided with X-axis mobile motor 121 and two guide rods, and two guide rods are separately positioned on the both sides of X-axis mobile motor 121, and two guide rods are provided with 3 D-printing shower nozzle.When X-axis mobile motor 121 rotates, will be slided along guide rod by belt drive 3 D-printing shower nozzle 2, namely 3 D-printing shower nozzle 2 moves in the X-axis direction under the driving of X-axis mobile motor 121.X-axis mobile motor 121, Y-axis mobile motor 122 and Z axis mobile motor constitute the mobile motor assembly of the present embodiment.
The outside of housing 101 is provided with the first wire rod wheel 161 and the second wire rod wheel 162, first wire rod wheel 161 is wound with first material 151, second wire rod wheel 162 is wound with second material 152, first material 151 and second material 152 are all used for the shaping of three-dimensional body as the present embodiment, first material 151 and second material 152 have different character, and character contains color, melt temperature, hardness, conductance and magnetic etc.
As shown in Figure 7, the plane formed along this X-axis guide rod and Y-axis guide rod on the first feed mechanism, the second feed mechanism, 3 D-printing shower nozzle 2 are installed in X-axis two guide rods and integratedly moves.First feed mechanism comprises motor 171, and the second feed mechanism comprises motor 172, because motor 171 is identical with motor 172 structure, so be described for motor 171 below.Motor 171 is provided with driving wheel 181 and driven pulley 191, be clamped with first between driving wheel 181 and driven pulley 191 and expect 151, when driving wheel 181 rotates counterclockwise, first material 151 from top to down can be moved, when driving wheel 182 turns clockwise, first material 151 can be moved from bottom to up.In like manner, counterclockwise or when the turning clockwise of driving wheel of motor 172, second material 152 can be moved from top to bottom or from bottom to up.Through the effect of the first feed mechanism and the second feed mechanism, can correspondingly first material 151 and second material 152 be input in 3 D-printing shower nozzle 2.Be fully described in the embodiment that the embodiment of 3 D-printing shower nozzle 2 is corresponding above, do not repeat them here.
The Method of printing of the three-dimensional printer of the present embodiment is described as follows.As shown in Figure 8, Method of printing comprises above step.
As shown in Figure 8, first perform step S1, obtain three-dimensional body data message.The acquisition of forming data can carry out modeling, hierarchy slicing and obtain forming data by computer to three-dimensional body, also can be imported in three-dimensional fast shaping equipment by the forming data of outside insertion equipment as storage card directly three-dimensional body, or obtain forming data by wireless transmission method.
Perform step S2, select a kind of silk material to enter in heat block along a hole slot, extrude through nozzle after melting in cavity.Such as controlling first material with the first feed mechanism enters in heat block along the first hole slot, extrudes in cavity after melting through nozzle.
Perform step S3, when different types of material changed by needs, select another kind of silk material to enter in heat block along another hole slot, extrude through nozzle after melting in cavity.Such as controlling second material with the second feed mechanism enters in heat block along the second hole slot, extrudes in cavity after melting through nozzle.
Perform step S4, when the process of step S3 no longer needs to change silk material, print command terminates, and completes whole print procedure, obtains 3 D-printing object.
Finally it should be noted that, the utility model is not limited to above-mentioned embodiment, such as can carry out preheating in the periphery of hole slot to silk material, the easier melting in cavity of silk material can be made like this, this preheating method preferably adopts gradient-heated mode, and preheat temperature is preferably more than the softening point temperature of silk material.The quantity of hole slot can be three, four or more, increases the fixture of respective amount, connector simultaneously.The arrangement mode of hole slot has multiple pattern, and preferred arrangement mode to be the overall region of the upper surface occupying heat block minimum, according to geometrical principle, the arrangement mode of three hole slots is preferably circular.In addition, the upstream extremity entering hole slot at silk material arranges a checkout gear, checkout gear is for detecting the cross-sectional sizes of silk material, obtain silk material in real time and enter into cross-sectional sizes in hole slot, and then information is transferred to the control system of three-dimensional printer, then control system can control preheating and the melting rate of heat block, prevents the phenomenon of silk material underheat or excessive heat.Above-mentioned deformation designs etc. are also within claims of the present utility model.
Claims (9)
1. 3 D-printing shower nozzle, comprises
Heat block;
Nozzle, is connected with described heat block;
It is characterized in that:
Described heat block has plural hole slot and cavity;
Hole slot described in each is all communicated with described cavity;
Described cavity is communicated with described nozzle.
2. three-dimensional printer shower nozzle according to claim 1, is characterized in that:
The quantity of described hole slot is two, is respectively the first hole slot and the second hole slot that arrange separated from each other.
3. three-dimensional printer shower nozzle according to claim 2, is characterized in that:
The bearing of trend of described first hole slot, described second hole slot is all parallel with the short transverse of described heat block;
The bearing of trend of described cavity is vertical with the short transverse of described heat block.
4. the three-dimensional printer shower nozzle according to Claims 2 or 3, is characterized in that:
Described 3 D-printing shower nozzle also has the first fixture, the first connector, the second fixture and the second connector;
Described first connector two ends are removably connected with described first fixture and described first hole slot respectively;
Described second connector is removably connected with described second fixture and described second hole slot respectively.
5. three-dimensional printer shower nozzle according to claim 4, is characterized in that:
All there is internal thread in described first hole slot and in described second hole slot;
All there is internal thread in described first fixture and described second fixture;
Described first connector and described second connector all have external screw thread.
6. three-dimensional printer, comprises 3 D-printing shower nozzle, and described 3 D-printing shower nozzle comprises
Heat block;
Nozzle, is connected with described heat block;
It is characterized in that:
Described heat block has plural hole slot and cavity;
Hole slot described in each is all communicated with described cavity;
Described cavity is communicated with described nozzle.
7. three-dimensional printer according to claim 6, is characterized in that:
The quantity of described hole slot is two, is respectively the first hole slot and the second hole slot that arrange separated from each other;
Described three-dimensional printer also comprises first material, second material, the first feed mechanism and the second feed mechanism;
First feed mechanism and the second feed mechanism are all arranged on the upstream of described heat block, and described first feed mechanism is for controlling the gait of march of described first material, and described second feed mechanism is for controlling the gait of march of described second material.
8. three-dimensional printer according to claim 7, is characterized in that:
The bearing of trend of described first hole slot, described second hole slot is all parallel with the short transverse of described heat block;
The bearing of trend of described cavity is vertical with the short transverse of described heat block.
9. the three-dimensional printer according to claim 7 or 8, is characterized in that:
Described 3 D-printing shower nozzle also has the first fixture, the first connector, the second fixture and the second connector;
Described first connector two ends are removably connected with described first fixture and described first hole slot respectively;
Described second connector is removably connected with described second fixture and described second hole slot respectively;
All there is internal thread in described first hole slot and in described second hole slot;
All there is internal thread in described first fixture and described second fixture;
Described first connector and described second connector all have external screw thread.
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CN201520560929.XU CN204977465U (en) | 2015-07-29 | 2015-07-29 | Three -dimensional shower nozzle and three -dimensional inkjet printer of printing |
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CN201520560929.XU CN204977465U (en) | 2015-07-29 | 2015-07-29 | Three -dimensional shower nozzle and three -dimensional inkjet printer of printing |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104999669A (en) * | 2015-07-29 | 2015-10-28 | 珠海天威飞马打印耗材有限公司 | Three-dimensional printing spray head, three-dimensional printer and printing method |
CN107225762A (en) * | 2017-06-22 | 2017-10-03 | 芜湖赛司自动化科技有限公司 | A kind of many shower nozzle three-dimensional printers |
USD875794S1 (en) | 2017-05-17 | 2020-02-18 | Slice Engineering LLC | 3D printer hotend |
CN113524664A (en) * | 2021-08-22 | 2021-10-22 | 蚌埠学院 | Automatic wire material replacing device for 3D printer and 3D printer |
-
2015
- 2015-07-29 CN CN201520560929.XU patent/CN204977465U/en active Active
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104999669A (en) * | 2015-07-29 | 2015-10-28 | 珠海天威飞马打印耗材有限公司 | Three-dimensional printing spray head, three-dimensional printer and printing method |
CN104999669B (en) * | 2015-07-29 | 2018-04-10 | 珠海天威飞马打印耗材有限公司 | 3 D-printing shower nozzle, three-dimensional printer and Method of printing |
USD875794S1 (en) | 2017-05-17 | 2020-02-18 | Slice Engineering LLC | 3D printer hotend |
USD888114S1 (en) | 2017-05-17 | 2020-06-23 | Slice Engineering LLC | 3D printer hotend |
USD905768S1 (en) | 2017-05-17 | 2020-12-22 | Slice Engineering LLC | 3D printer hotend |
CN107225762A (en) * | 2017-06-22 | 2017-10-03 | 芜湖赛司自动化科技有限公司 | A kind of many shower nozzle three-dimensional printers |
CN113524664A (en) * | 2021-08-22 | 2021-10-22 | 蚌埠学院 | Automatic wire material replacing device for 3D printer and 3D printer |
CN113524664B (en) * | 2021-08-22 | 2023-04-28 | 蚌埠学院 | Automatic wire replacing device for 3D printer and 3D printer thereof |
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Effective date of registration: 20220907 Address after: Room 103-036, 1st Floor, Building 1, No. 18, Futian Road, Xiangzhou District, Zhuhai City, Guangdong Province, 519000 (centralized office area) Patentee after: Zhuhai Tianwei Additives Co.,Ltd. Address before: 519060 Guangdong province Zhuhai Nanping Science and Technology Industrial Park, ping North Road No. 32 Patentee before: PRINT RITE UNICORN IMAGE PRODUCTS Co.,Ltd. OF ZHUHAI |
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