CN204249369U - 3D printer extrusion device - Google Patents
3D printer extrusion device Download PDFInfo
- Publication number
- CN204249369U CN204249369U CN201420733338.3U CN201420733338U CN204249369U CN 204249369 U CN204249369 U CN 204249369U CN 201420733338 U CN201420733338 U CN 201420733338U CN 204249369 U CN204249369 U CN 204249369U
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- China
- Prior art keywords
- extrusion device
- discharge nozzle
- nozzle
- feed pipe
- printer extrusion
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Abstract
The utility model provides a kind of 3D printer extrusion device, belong to 3D printing technique field, comprise: nozzle, discharge nozzle, feed pipe, stepper motor, screw rod and fixed bar, described nozzle, described discharge nozzle and described feed pipe connect successively, the tube wall of described feed pipe is fixed in one end of described fixed bar, the other end of described fixed bar is connected with stepper motor, and described fixed bar is connected with one end of described stepper motor away from described feed pipe, one end of described screw rod is connected with described stepper motor, and the other end of described screw rod stretches into described discharge nozzle.The utility model can carry out 3D printing for food, prints raw material more diversified, extends the existing extruded type 3D printer scope of application.
Description
Technical field
The utility model relates to 3D printing technique field, prints extrusion device in particular to a kind of 3D.
Background technology
3D printing technique appears at the nineties in 20th century, obtains in recent years and develops rapidly.3D printer just a kind of like this solidification and technology such as stacked of utilizing to realize the device of rapid shaping.During work, 3D printer needs to read the cross sectional information in required mimeograph documents, is then printed layer by layer in these cross sections with raw material, then is glued together in every way by each layer cross section thus produces a three-dimensional entity.Achieved fast, manufacture easily the object of the article of various shape by 3D printing technique.
Existing extruded type 3D printer all prints based on Plastic raw material, and raw material is clamped by extrusion mechanism, then by transmission device by raw material extrusion molding.The raw material ratio that existing 3D printer is suitable for is more single, is difficult to the demand meeting people.
Utility model content
The purpose of this utility model is to provide a kind of 3D printer extrusion device, to be suitable for more raw material, improves the applicability of 3D printer extrusion device.
The utility model is achieved in that
3D printer extrusion device, comprise: nozzle, discharge nozzle, feed pipe, stepper motor, screw rod and fixed bar, described nozzle, described discharge nozzle and described feed pipe connect successively, the tube wall of described feed pipe is fixed in one end of described fixed bar, the other end of described fixed bar is connected with stepper motor, and described fixed bar is connected with one end of described stepper motor away from described feed pipe, one end of described screw rod is connected with described stepper motor, and the other end of described screw rod stretches into described discharge nozzle.
Further, described screw rod comprises driving section, press section, the diameter of described driving section is less than the diameter of described press section, described driving section is connected with described stepper motor, described extruded parts is in described discharge nozzle, described press section is provided with conical tip away from one end of described driving section, and described press section is provided with screw thread, and the diameter of described press section is identical with the internal diameter of described discharge nozzle.The little feed pipe that can make like this of the diameter of driving section can hold more raw material, avoids frequent charging to affect the stability always of raw material.Raw material is constantly pushed downwards by screw thread by press section, and it is shaping that thrust constantly transmits the ejection realizing raw material.In addition, conical tip can reduce screw rod with by the contact area of raw material heated, prevent raw material from blocking discharge nozzle.
Further, described nozzle is tapered, and described nozzle is less than the diameter of one end that described nozzle is connected with described discharge nozzle away from the diameter of one end of described discharge nozzle.By the nozzle of taper, raw material ejection is shaping.The nozzle of taper can avoid nozzle in manufacturing process to touch the raw material sprayed, thus destroys shaping shape and affect quality.
Further, the shape of described discharge nozzle is cylindrical.By coordinating of discharge nozzle and screw rod, raw material mixes equably in discharge nozzle, guarantees that raw material meets and makes requirement.
Further, the shape of described feed pipe is truncated cone-shaped.Tube wall due to the feed pipe of truncated cone-shaped has certain angle of inclination, and this just can slow down the speed of charging, thus avoids too fast charging build-up of pressure to pile up destruction screw rod.
Further, described fixed bar is hollow tubular, and the sidewall of described feed pipe is provided with cable aperture, and described cable aperture is arranged at the junction of described feed pipe and described fixed bar, and the cable of described stepper motor is passed from described cable aperture by described fixed bar.Cable is hidden in fixed bar, avoids cable and destroyed by raw material, also prevent the generation of the danger causing electric shock due to cable bad.
Further, described 3D printer extrusion device also comprises feed hopper, and described feed hopper is connected with described feed pipe.Utilize feed hopper can put into raw material easily.
Further, described 3D printer extrusion device also comprises bucket cover, and described bucket cover and described feed hopper cooperatively interact.3D printer extrusion device adds after raw material completes, and is covered up by feed hopper, can prevent other article or foreign material from falling into raw material like this with bucket cover, causes the pollution of raw material and then the quality affecting shaped article.In addition, bucket cover can avoid the damage all gone out other equipment of raw material.
Further, described 3D printer extrusion device also comprises bracing frame, and support frame as described above comprises the cross bar and montant that are connected, and described cross bar is connected with described discharge nozzle, and described montant is provided with base away from one end of described cross bar.Bracing frame makes 3D printer extrusion device more stably work.3D printer extrusion device is fixed and is positioned over the operating position of specifying by bracing frame, guarantees that 3D printer extrusion device does not depart from operating position, and the extrusion molding of such raw material is more accurate, and the quality of product is higher.
Further, described 3D printer extrusion device also comprises heater, and described heater is arranged at one end of the contiguous described nozzle of described discharge nozzle.Utilize heater can heat solid material, and then extrusion molding.This provides for improved practicality of the present utility model, improve its scope of application.
Compared with prior art, the beneficial effects of the utility model:
The 3D printer extrusion device that the utility model provides goes for field of food.The 3D printer extrusion device that the utility model provides, using the transmission mechanism of screw rod as 3D printer extrusion device, utilizes screw flight transmitting thrust, makes raw material arrive assigned work platform by nozzle, realizes the object of extrusion molding.Utilize screw rod that raw material is pushed to workbench, the material of raw material and shape size are not limited, makes 3D printer extrusion device go for more raw material, improve its suitable application area.
Accompanying drawing explanation
The front view of the 3D printer extrusion device that Fig. 1 provides for the present embodiment 1;
The top view of the 3D printer extrusion device that Fig. 2 provides for the present embodiment 1;
The structural representation of the screw rod in the 3D printer extrusion device that Fig. 3 provides for the present embodiment 1;
The front view (not comprising heater) of the 3D printer extrusion device that Fig. 4 provides for the present embodiment 2;
The axonometric drawing (not comprising heater) of the 3D printer extrusion device that Fig. 5 provides for the present embodiment 2;
The structural representation of the screw rod in the 3D printer extrusion device that Fig. 6 provides for the present embodiment 2;
The structural representation of the bucket cover in the 3D printer extrusion device that Fig. 7 provides for the present embodiment 2.
Description of reference numerals
101-nozzle; 102-discharge nozzle; 103-feed pipe; 104-fixed bar;
105-stepper motor; 106-screw rod; 107-feed hopper; 108-cable aperture;
109-cross bar; 110-montant; 111-base; 201-driving section;
202-press section; 203-conical tip; Bucket cover-204.
Detailed description of the invention
Also by reference to the accompanying drawings the utility model is described in further detail below by specific embodiment.
Embodiment 1
Consult Fig. 1-Fig. 3, the 3D printer extrusion device that the present embodiment provides comprises nozzle 101, discharge nozzle 102, feed pipe 103, fixed bar 104, stepper motor 105 and screw rod 106.Nozzle 101, discharge nozzle 102 and feed pipe 103 connect successively.The tube wall of feed pipe 103 is fixed in one end of fixed bar 104, the other end of fixed bar 104 is connected with stepper motor, and fixed bar 104 is connected with one end of stepper motor 105 away from feed pipe 103, one end of screw rod 106 is connected with stepper motor 105, and the other end of screw rod 106 stretches into discharge nozzle 102.
Nozzle 101 is as the outlet of raw material, and nozzle 101 can have any shape.In the present embodiment, preferably, nozzle 101 is tapered, and nozzle 101 is less than the diameter of one end that nozzle 101 is connected with discharge nozzle 102 away from the diameter of one end of discharge nozzle 102.The nozzle 101 of taper can control extrusion capacity easily, to realize the control of the quality to formed product.The shape of discharge nozzle 102 is cylindrical, and columniform discharge nozzle 102 coordinates with screw rod 106 can be extruded raw material by transmitting thrust better, the mixing of raw material also can be made more even, promote consistent, the stability of raw material.Discharge nozzle 102 also can have any shape, and preferably, the discharge nozzle 102 in the present embodiment is cylindrical, can realize the transmission to raw material better.
Feed pipe 103 can have any shape, and in the present embodiment, preferably, feed pipe 103 is in truncated cone-shaped.The feed pipe 103 of truncated cone-shaped makes the tube wall of feed pipe 103 have certain angle of inclination, and this can slow down the speed of adding raw material, avoids raw material directly to send into discharge nozzle 102, the generation of the problem of the discharge nozzle 102 that results in blockage.
In order to make the work of 3D printer more stable, reliable, 3D printer extrusion device is also provided with bracing frame, and bracing frame comprises the cross bar 109 and montant 110 that are connected, and cross bar is connected with discharge nozzle, and montant 110 is provided with base 111 away from one end of cross bar 109.Bracing frame makes 3D printer extrusion device work more reposefully.3D printer extrusion device is fixed by bracing frame, and is positioned over the operating position of specifying, and guarantees that 3D printer extrusion device does not depart from normal operation position, and the extrusion molding of such raw material is more accurate, and the quality of product is higher.
The 3D printer extrusion device structure that the present embodiment provides is simple, easy to operate, goes for field of food.During use, stepper motor 105 is switched on power, thus drive screw 106 rotates; Then, raw material is added feed pipe 103, raw material is admitted to discharge nozzle 102 lentamente and rotates together along with screw rod 106, and under the thrust of screw rod 106, raw material moves to nozzle 101 direction gradually.Continue under the effect of thrust, raw material enters nozzle 101, and finally sprays thus realize at workbench shaping.
Embodiment 2
Consult Fig. 4-Fig. 7, the 3D printer extrusion device that the present embodiment provides comprises nozzle 101, discharge nozzle 102, feed pipe 103, fixed bar 104, stepper motor 105 and screw rod 106.Nozzle 101, discharge nozzle 102 and feed pipe 103 connect successively.The tube wall of feed pipe 103 is fixed in one end of fixed bar 104, and the other end of fixed bar 104 is connected with stepper motor 105, and fixed bar 104 is connected with one end of stepper motor 105 away from feed pipe 103.One end of screw rod 106 is connected with stepper motor 105, and the other end of screw rod 106 stretches into discharge nozzle 102.
3D printer extrusion device also comprises feed hopper 107, and feed hopper 107 is connected with feed pipe 103.The setting of feed hopper 107, facilitates the interpolation of raw material, also can avoid exposing in raw material feeding process simultaneously, pollutes the problem of workbench.In addition, it is convenient that feed hopper 107 makes to add raw material, it also avoid other foreign material and enter 3D printer extrusion device, causes the generation of the rotten problem of product.
3D printer extrusion device also comprises bucket cover 204, and bucket cover 204 and feed hopper 107 cooperatively interact.The operating environment requirements of 3D printer is high, therefore can arrange the pollution that bucket cover 204 avoids raw material.After 3D printer extrusion device interpolation raw material in the present embodiment completes, with bucket cover 204, feed hopper 107 is sheltered, raw material is under the environment of relative closure with the external world.Can prevent other article or foreign material from falling into raw material like this, cause the pollution of raw material and then the quality affecting shaped article.In addition, what bucket cover 204 can avoid raw material spills pollution to other equipment and damage.
Owing to relating to the stepper motor 105 of live line work, in order to guarantee the safety of electricity consumption further, fixed bar 104 is designed to hollow tubular, and the sidewall of feed pipe 103 is provided with cable aperture 108, cable aperture 108 is arranged at the junction of feed pipe 103 and fixed bar 104.The cable of stepper motor 105 is passed from cable aperture 108 by the fixed bar 104 of hollow tubular.The cable bar 104 that is fixed is protected, and compared with being exposed to the structure outside fixed bar 104, can to prevent from reinforced process Raw, to the destruction of cable, avoiding the generation of the problem of leaking electricity with cable; In addition, cable can not hinder the interpolation of raw material, and the interpolation of raw material is more continuous, and this is conducive to the quality improving the raw material extruded from nozzle 101.
In order to improve the work quality of 3D printer extrusion device further, the present embodiment improves screw rod 106.Screw rod 106 comprises driving section 201, press section 202, and the diameter of driving section 201 is less than the diameter of press section 202, and the diameter of press section 202 is identical with the internal diameter of discharge nozzle 102, and press section 202 is provided with screw thread.
Driving section 201 is connected with stepper motor 105, and press section 202 is provided with conical tip 203 away from one end of driving section 201.
By coordinating of driving section 201 and press section 202, make when adding raw material convenient.Driving section 201 diameter is less, and raw material can enter discharge nozzle 102 more swimmingly, and can not cause the stop to raw material.The diameter of press section 202 is identical with the internal diameter of discharge nozzle 102, and this makes the mixing of raw material in discharge nozzle 102 more fully, evenly and can provide better thrust.The design of conical tip 203, then can play the effect of release pressure, guarantee raw material and can mix further before entering nozzle 101, avoids raw material to bond on screw thread simultaneously and block discharge nozzle 102.
For the food needing heating, such as chocolate, the 3D printer extrusion device that the present embodiment provides also comprises heater, and heater is arranged at discharge nozzle 102 one end close to nozzle 101.After food enters discharge nozzle 102, move to nozzle 101 direction rapidly under the effect of the thrust of screw rod 106; Meanwhile, heater heats to raw material, makes raw material present fluid state, and to spray and shaping on workbench from nozzle 101 under the promotion of thrust.Heater is prior art, does not do careful description in the present embodiment to its structure.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1.3D printer extrusion device, it is characterized in that, comprise: nozzle, discharge nozzle, feed pipe, stepper motor, screw rod and fixed bar, described nozzle, described discharge nozzle and described feed pipe connect successively, the tube wall of described feed pipe is fixed in one end of described fixed bar, the other end of described fixed bar is connected with stepper motor, and described fixed bar is connected with one end of described stepper motor away from described feed pipe, one end of described screw rod is connected with described stepper motor, and the other end of described screw rod stretches into described discharge nozzle.
2. 3D printer extrusion device according to claim 1, it is characterized in that, described screw rod comprises driving section, press section, the diameter of described driving section is less than the diameter of described press section, described driving section is connected with described stepper motor, and described extruded parts is in described discharge nozzle, and described press section is provided with conical tip away from one end of described driving section, described press section is provided with screw thread, and the diameter of described press section is identical with the internal diameter of described discharge nozzle.
3. 3D printer extrusion device according to claim 2, it is characterized in that, described nozzle is tapered, and described nozzle is less than the diameter of one end that described nozzle is connected with described discharge nozzle away from the diameter of one end of described discharge nozzle.
4. 3D printer extrusion device according to claim 3, is characterized in that, the shape of described discharge nozzle is cylindrical.
5. 3D printer extrusion device according to claim 4, is characterized in that, the shape of described feed pipe is truncated cone-shaped.
6. 3D printer extrusion device according to claim 5, it is characterized in that, described fixed bar is hollow tubular, the sidewall of described feed pipe is provided with cable aperture, described cable aperture is arranged at the junction of described feed pipe and described fixed bar, and the cable of described stepper motor is passed from described cable aperture by described fixed bar.
7. 3D printer extrusion device according to claim 6, is characterized in that, described 3D printer extrusion device also comprises feed hopper, and described feed hopper is connected with described feed pipe.
8. 3D printer extrusion device according to claim 7, is characterized in that, described 3D printer extrusion device also comprises bucket cover, and described bucket cover and described feed hopper cooperatively interact.
9. 3D printer extrusion device according to claim 8, it is characterized in that, described 3D printer extrusion device also comprises bracing frame, and support frame as described above comprises the cross bar and montant that are connected, described cross bar is connected with described discharge nozzle, and described montant is provided with base away from one end of described cross bar.
10. 3D printer extrusion device according to claim 1, is characterized in that, described 3D printer extrusion device also comprises heater, and described heater is arranged at one end of the contiguous described nozzle of described discharge nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420733338.3U CN204249369U (en) | 2014-11-27 | 2014-11-27 | 3D printer extrusion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420733338.3U CN204249369U (en) | 2014-11-27 | 2014-11-27 | 3D printer extrusion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204249369U true CN204249369U (en) | 2015-04-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420733338.3U Expired - Fee Related CN204249369U (en) | 2014-11-27 | 2014-11-27 | 3D printer extrusion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204249369U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105196542A (en) * | 2015-09-29 | 2015-12-30 | 大连工业大学 | Bionic choice rare sea food 3D (three-dimensional) printer |
| CN108511672A (en) * | 2017-02-24 | 2018-09-07 | 微宏动力系统（湖州）有限公司 | Extrusion coated die head |
-
2014
- 2014-11-27 CN CN201420733338.3U patent/CN204249369U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105196542A (en) * | 2015-09-29 | 2015-12-30 | 大连工业大学 | Bionic choice rare sea food 3D (three-dimensional) printer |
| CN108511672A (en) * | 2017-02-24 | 2018-09-07 | 微宏动力系统（湖州）有限公司 | Extrusion coated die head |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150408 Termination date: 20171127 |
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| CF01 | Termination of patent right due to non-payment of annual fee |