CN211194939U

CN211194939U - But automatic material conveying's 3D printer

Info

Publication number: CN211194939U
Application number: CN201921433545.6U
Authority: CN
Inventors: 不公告发明人
Original assignee: Nanjing Feihang Technology Service Co ltd
Current assignee: Nanjing Feihang Technology Service Co ltd
Priority date: 2019-08-30
Filing date: 2019-08-30
Publication date: 2020-08-07
Anticipated expiration: 2029-08-30

Abstract

The utility model discloses a but automatic material conveying's 3D printer relates to 3D printer machinery technical field, and when the material of solving when the 3D printer was solid chocolate, there was not more convenient automatic material conveying device's problem for solving, the utility model discloses a discharge mechanism includes the casing, and the inside of casing is provided with the feed bin, is provided with at least three pressure sensor between the bottom surface of the lower extreme of feed bin and the inside of casing, and pressure sensor can be used for controlling automatic material conveying for P L C or computer with the material volume signal transmission in the feed bin, the utility model discloses still include feeding device, feeding device includes charge pump, storage bucket, inlet pipe and discharging pipe, and the outer wall of storage bucket has the heater, and the outer wall of inlet pipe and discharging pipe all has heating device for melt and store the bulk solid material, and reinforced to the feed in the feed bin when needs, the utility model discloses still include agitating unit, can accelerate the material melting in the storage bucket, and prevent that it from bonding.

Description

But automatic material conveying's 3D printer

Technical Field

The utility model relates to a 3D printer machinery technical field specifically is a but automatic material conveying's 3D printer.

Background

The 3D printer, also called three-dimensional printer, is a machine of an accumulative manufacturing technique, i.e. a rapid prototyping technique, which is a machine based on a digital model file, and manufactures a three-dimensional object by printing a layer of adhesive material by using a special wax material, powdered metal or plastic and the like.

At present, a 3D printer with a better prospect is a chocolate 3D printer, and is popular due to the beauty and practical value, relevant inventions and creations are provided in the market, for example, a chocolate 3D printer which is disclosed as an invention patent with the publication number of CN106922909A and the name of chocolate 3D printer with an automatic feeding function is disclosed, but the material is chocolate paste and is not practical, and the chocolate 3D printer cannot be printed and molded due to the sauce-shaped material at normal temperature; the binding material of this kind of 3D printer, chocolate is solid-state at ordinary temperature, and the reinforced of solid-state material generally needs the manual work to add, but because the workbin volume is restricted, need first rough machining into fritter to put into and heat and melt, and still need often to supply the material, and is comparatively troublesome, therefore the urgent need of a 3D printer that can automatic material conveying in the market solves these problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a but automatic material conveying's 3D printer to the material that provides when the 3D printer among the above-mentioned background art is solid-state chocolate, does not have more convenient automatic material conveying device's problem.

In order to achieve the above object, the utility model provides a following technical scheme: A3D printer capable of automatically feeding comprises a frame body, a base, a printing plate, a gantry, a horizontal lead screw and a discharging mechanism, wherein the discharging mechanism comprises a shell, a spray nozzle is arranged in the middle of the lower end of the shell, a storage bin is arranged in the shell, a storage bin heater is arranged on the outer wall of the storage bin, at least three pressure sensors are arranged between the lower end of the storage bin and the bottom surface of the interior of the shell, a connecting pipe is arranged in the middle of the lower end of the storage bin, two ends of the connecting pipe are respectively communicated with the storage bin and the spray nozzle, and all the pressure sensors are distributed in an annular array by taking the connecting pipe as the; the 3D printer still includes feeding device, feeding device includes charge pump and storage bucket, the outer wall of storage bucket is provided with the heater, the storage bucket with the feed inlet of charge pump passes through the inlet pipe intercommunication, the discharge gate of charge pump is provided with the discharging pipe, the other end of discharging pipe is fixed the middle part of the upper end of casing just right the top department of feed bin, the inlet pipe with the outer wall of discharging pipe all is provided with heating device, heating device is used for keeping intraductal material to be liquid.

Preferably, the 3D printer still includes agitating unit, agitating unit is located feeding device's top, agitating unit includes agitator motor, transmission case, carousel and at least one stirring head, agitator motor with the carousel passes through the transmission case transmission is connected, the upper end fixed mounting of stirring head is in the lower extreme of carousel, the lower extreme of stirring head is located lower extreme in the storage bucket.

Preferably, the frame body is fixedly connected with the base, the two lower ends of the gantry are both connected with the base in a sliding manner, the two ends of the horizontal lead screw are both connected with the gantry in a sliding manner, and the discharging mechanism is connected with the horizontal lead screw in a sliding manner.

Preferably, a first motor is arranged on one side of the base, the first motor is used for moving the gantry on the base along a first direction, a second motor is arranged at the upper end of the gantry, the second motor is used for moving the horizontal lead screw on the gantry along a second direction, a third motor is arranged on one side of the horizontal lead screw, the third motor is used for moving the discharging mechanism on the horizontal lead screw along a third direction, and the first direction, the second direction and the third direction are mutually perpendicular in pairs.

Preferably, the stirring device is mounted on an upper end of the frame.

Preferably, the centre line of the turntable is collinear with the centre line of the charging basket.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this but automatic material conveying's 3D printer is provided with the feed bin of putting on pressure sensor above the shower nozzle, and the feed bin is spacing by the casing, and pressure sensor can be arranged in giving P L C or computer with the material volume signal transfer in the feed bin, realizes automatic material conveying.

2. This but automatic material conveying's 3D printer has great storage bucket that has the heater, can directly put into wherein heating melting and storage with bold solid material, need not to cut up to divide and add many times, convenient to use.

3. But this but automatic material conveying's 3D printer's feeding device top is provided with agitating unit, can accelerate solid material melting and prevent its bonding. To sum up, but this automatic material conveying's 3D printer has solved when the material of 3D printer is solid chocolate, does not have convenient automatic material conveying device's problem.

Drawings

Fig. 1 is a schematic view of the structure of the present invention;

fig. 2 is a schematic top view of the present invention;

fig. 3 is a schematic sectional structure diagram of the discharging mechanism.

In the figure: 1. a frame body; 2. a base; 3. printing a plate; 4. a gantry; 40. a first motor; 5. A horizontal lead screw; 50. a second motor; 6. a discharging mechanism; 60. a third motor; 61. a housing; 62. a spray head; 63. a storage bin; 64. a pressure sensor; 65. a connecting pipe; 7. a feeding device; 70. a charge pump; 71. a charging bucket; 72. a feed pipe; 73. a discharge pipe; 8. a stirring device; 80. a stirring motor; 81. a transmission case; 82. a turntable; 83. and (4) a stirring head.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, the present invention provides an embodiment: A3D printer capable of automatically feeding materials comprises a frame body 1, a base 2, a printing plate 3, a gantry 4, a horizontal lead screw 5 and a discharging mechanism 6, wherein the frame body 1 is fixedly connected with the base 2, two lower ends of the gantry 4 are both connected with the base 2 in a sliding manner, two ends of the horizontal lead screw 5 are both connected with the gantry 4 in a sliding manner, and the discharging mechanism 6 is connected with the horizontal lead screw 5 in a sliding manner; the discharging mechanism 6 comprises a shell 61, a spray head 62 is arranged in the middle of the lower end of the shell 61, a stock bin 63 is arranged in the shell 61, a stock bin heater is arranged on the outer wall of the stock bin 63, at least three pressure sensors 64 are arranged between the lower end of the stock bin 63 and the bottom surface of the interior of the shell 61, a connecting pipe 65 is arranged in the middle of the lower end of the stock bin 63, two ends of the connecting pipe 65 are respectively communicated with the stock bin 63 and the spray head 62, and all the pressure sensors 64 are distributed in an annular array by taking the connecting; the 3D printer still includes feeding device 7, feeding device 7 includes charge pump 70 and storage bucket 71, charge pump 70 can use small-size gear pump, the outer wall of storage bucket 71 is provided with the heater, the below of the upper end at framework 1 is installed to storage bucket 71, the lower extreme at storage bucket 71 is installed to charge pump 70, storage bucket 71 passes through inlet pipe 72 with the feed inlet of charge pump 70 and communicates, the discharge gate of charge pump 70 is provided with discharging pipe 73, the other end of discharging pipe 73 is fixed at the middle part of the upper end of casing 61 and just to the top department of feed bin 63, the outer wall of inlet pipe 72 and discharging pipe 73 all is provided with heating device, heating device is used for keeping the intraductal material to be.

Further, the 3D printer further comprises a stirring device 8, the stirring device 8 is located above the feeding device 7, the stirring device 8 comprises a stirring motor 80, a transmission box 81, a turntable 82 and at least one stirring head 83, the stirring motor 80 is a motor with a speed reduction function commonly found in the market, for example, a 57H2P5442a4 type stepping motor or a servo motor with a speed reducer, the transmission box 81 can use gear transmission, the stirring motor 80 is in transmission connection with the turntable 82 through the transmission box 81, the upper end of the stirring head 83 is fixedly installed at the lower end of the turntable 82, and the lower end of the stirring head 83 is located at the lower end of the charging basket 71.

Further, a first motor 40 is arranged on one side of the base 2, the first motor 40 is used for moving the gantry 4 on the base 2 along a first direction, a second motor 50 is arranged at the upper end of the gantry 4, the second motor 50 is used for moving the horizontal lead screw 5 on the gantry 4 along a second direction, a third motor 60 is arranged on one side of the horizontal lead screw 5, the third motor 60 is used for moving the discharging mechanism 6 on the horizontal lead screw 5 along a third direction, the first direction, the second direction and the third direction are mutually perpendicular in pairs, the first direction is perpendicular to an attached figure, namely the direction of a screen or a paper surface, the second direction is the up-down direction of the attached figure, and the third direction is the left-right direction of the attached figure; the first motor 40, the second motor 50 and the third motor 60 are stepping motors or servo motors with speed reducers, which are commonly available in the market, and the moving structures in the three directions are not protected by the present invention, and are not specifically shown in the drawings.

Further, the stirring device 8 is installed at the upper end of the frame 1, the stirring motor 80 is fixedly connected with the frame 1, and the housing of the transmission case 81 is fixedly connected with the housing of the stirring motor 80.

Furthermore, the center line of the rotating disc 82 and the center line of the charging basket 71 are collinear, so that stirring is facilitated, and a cam stirring mechanism can be adopted to replace the rotating disc 82 and the stirring head 83, so that the center lines do not need to be collinear.

Further, the first motor 40, the second motor 50, the third motor 60, the stirring motor 80, the feeding pump 70, the bin heater, the heating device, the spray head 62 and the pressure sensor 64 are respectively electrically connected with the P L C or the computer.

When the chocolate printing machine is used, a whole solid chocolate is placed into the material barrel 71, a plurality of pieces of chocolate can be placed, the heater is started, when the temperature of the material barrel 71 rises, after the chocolate starts to melt, the stirring motor 80 is started, the turntable 82 drives the stirring head 83 to stir, when the chocolate is completely melted, printing operation can be started, a 3D drawing to be printed is firstly input into a printing program through a computer, then printing is started by clicking, at the moment, the P L C or the computer firstly controls the feeding pump 70, the bin heater and the heating device to work, liquid materials are fed into the bin 63 through the feeding pipe 72 and the discharging pipe 73 and are kept in a liquid state, when the pressure sensor 64 judges that the materials in the bin 63 exceed a certain value, a signal is transmitted to the P L C or the computer, the feeding pump 70 is controlled to stop running, the first motor 40, the second motor 50, the third motor 60 and the spray head 62 are controlled to start 3D printing operation, when the pressure sensor 64 judges that the materials in the bin 63 are less than a certain value, the signal is transmitted to the P L C or the computer, the P35C or the computer is controlled to start running, automatic.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a but automatic material conveying's 3D printer, includes framework (1), base (2), prints board (3), longmen (4), horizontal screw (5) and discharge mechanism (6), its characterized in that: the discharging mechanism (6) comprises a shell (61), a spray head (62) is arranged in the middle of the lower end of the shell (61), a bin (63) is arranged in the shell (61), a bin heater is arranged on the outer wall of the bin (63), at least three pressure sensors (64) are arranged between the lower end of the bin (63) and the bottom surface of the interior of the shell (61), a connecting pipe (65) is arranged in the middle of the lower end of the bin (63), two ends of the connecting pipe (65) are respectively communicated with the bin (63) and the spray head (62), and all the pressure sensors (64) are distributed in an annular array by taking the connecting pipe (65) as the center; the 3D printer still includes feeding device (7), feeding device (7) are including charge pump (70) and storage bucket (71), the outer wall of storage bucket (71) is provided with the heater, storage bucket (71) with inlet pipe (72) intercommunication is passed through to the feed inlet of charge pump (70), the discharge gate of charge pump (70) is provided with discharging pipe (73), the other end of discharging pipe (73) is fixed the middle part of the upper end of casing (61) just right the top department of feed bin (63), feeding pipe (72) with the outer wall of discharging pipe (73) all is provided with heating device, heating device is used for keeping intraductal material to be liquid.

2. The autochargable 3D printer of claim 1, wherein: the 3D printer further comprises a stirring device (8), wherein the stirring device (8) is located above the feeding device (7), the stirring device (8) comprises a stirring motor (80), a transmission case (81), a rotary table (82) and at least one stirring head (83), the stirring motor (80) is connected with the rotary table (82) in a transmission mode through the transmission case (81), the upper end of the stirring head (83) is fixedly installed at the lower end of the rotary table (82), and the lower end of the stirring head (83) is located at the lower end in the charging basket (71).

3. The autochargable 3D printer of claim 2, wherein: the frame body (1) is fixedly connected with the base (2), the two lower ends of the gantry (4) are both in sliding connection with the base (2), the two ends of the horizontal lead screw (5) are both in sliding connection with the gantry (4), and the discharging mechanism (6) is in sliding connection with the horizontal lead screw (5).

4. The autochargable 3D printer of claim 3, wherein: the automatic feeding device is characterized in that a first motor (40) is arranged on one side of the base (2), the first motor (40) is used for enabling the gantry (4) to move on the base (2) along a first direction, a second motor (50) is arranged at the upper end of the gantry (4), the second motor (50) is used for enabling the horizontal lead screw (5) to move on the gantry (4) along a second direction, a third motor (60) is arranged on one side of the horizontal lead screw (5), the third motor (60) is used for enabling the discharging mechanism (6) to move on the horizontal lead screw (5) along a third direction, and the first direction, the second direction and the third direction are perpendicular to each other in pairs.

5. The autochargable 3D printer of claim 2, wherein: the stirring device (8) is arranged at the upper end of the frame body (1).

6. The autochargable 3D printer of claim 2 or 5, wherein: the center line of the rotating disc (82) is collinear with the center line of the charging barrel (71).