CN210590588U - Large-scale powder bed hydrojet bonding formula 3D printer - Google Patents
Large-scale powder bed hydrojet bonding formula 3D printer Download PDFInfo
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- CN210590588U CN210590588U CN201920756303.4U CN201920756303U CN210590588U CN 210590588 U CN210590588 U CN 210590588U CN 201920756303 U CN201920756303 U CN 201920756303U CN 210590588 U CN210590588 U CN 210590588U
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Abstract
The utility model provides a large-scale powder bed hydrojet bonding formula 3D printer, including movable powder bed, two longmen frames, X axle motion, Y axle motion, Z axle motion, shop's powder device and adhesion promoter spout and drip the device, X axle motion, Y axle motion and Z axle motion mutually perpendicular, two longmen frames and Z axle motion are connected to Y axle motion, adhesion promoter spouts and drips the device and is connected with X axle motion and install in shop's powder device side, shop's powder device links to each other with Z axle motion, powder bed actuating mechanism drive powder bed carries out reciprocating motion and prints the area in order to expand. The utility model has the advantages that: the three-dimensional solid printing method is characterized in that a powder material and a binder are mixed and then paved on a powder bed, then the binder is sprayed by a binder spraying and dripping device, the binder reacts with the binder and then is cured and molded, and finally the three-dimensional solid is printed.
Description
Technical Field
The utility model relates to a 3D printing apparatus technical field especially relates to a large-scale powder bed hydrojet bonding formula 3D printer.
Background
With the continuous development of 3D printing technology, various forms of 3D printing apparatuses are continuously emerging. Most of these 3D printing devices are desktop-level and can only print smaller sized models. And 3D printer efficiency is all lower, and it is long to print. The printing material is expensive. Therefore, the 3D printing device for printing the large-size three-dimensional model with high printing efficiency is urgently needed to meet the printing requirements of people on the large-size model.
SUMMERY OF THE UTILITY MODEL
In view of this, the embodiment of the utility model provides a large-scale powder bed hydrojet bonding formula 3D printer can accomplish the 3D of large-scale three-dimensional model and print fast high-efficiently.
An embodiment of the utility model provides a large-scale powder bed hydrojet bonding formula 3D printer, spout the device including movable powder bed, two longmen frames, X axle motion, Y axle motion, Z axle motion, shop's powder device and adhesion promoter, movable powder bed includes powder bed actuating mechanism and powder bed, the powder bed is located inside two longmen frames, powder bed actuating mechanism connects the powder bed can drive the powder bed removes, Y axle motion set up in two longmen frame upper portion, Y axle motion connects perpendicularly Z axle motion, Z axle motion lower extreme connects perpendicularly X axle motion, X axle motion connects shop's powder device with adhesion promoter spouts the device, shop's powder device set up in the top of powder bed, shop's powder device is including shop's powder feed bin, Open and shut motor and T type baffle that opens and shuts, spread the powder storehouse back and paste the baffle that opens and shuts of T type, the motor output shaft that opens and shuts connects the baffle that opens and shuts of T type, X axle motion Y axle motion with Z axle motion is used for removing spread the powder device to predetermineeing the position, the motor drive that opens and shuts the baffle rebound that opens and shuts of T type is opened spread the powder storehouse, the motor drive that opens and shuts the baffle that opens and shuts of T type removes down and closes spread the powder storehouse, spread the powder device be used for to lay powdered material on the powder bed, adhesion promoter spouts the device and is used for predetermineeing the position on the powder bed and spraying adhesion promoter.
Further, powder bed actuating mechanism includes powder bed support frame, powder bed driving motor, optical axis guide rail slip table, optical axis guide rail and powder bed drive lead screw, powder bed driving motor fixed mounting be in on the powder bed support frame, powder bed drive lead screw one end is connected powder bed driving motor output shaft, the powder bed drive lead screw other end is connected the powder bed, powder bed support frame upper portion both sides respectively are equipped with one optical axis guide rail slip table, powder bed bottom both sides respectively are equipped with one the optical axis guide rail, each the optical axis guide rail passes one optical axis guide rail slip table and slidable, the powder bed sets up on the optical axis guide rail, powder bed driving motor is through the drive the powder bed drive lead screw drives the powder bed is in carry out rectilinear movement on the optical axis guide rail.
Further, spread the powder feed bin and be right angle triangular prism, spread powder feed bin upper end and connect Z axle motion, the T type baffle upper end that opens and shuts is fixed on the baffle slider that opens and shuts, the output shaft of the motor that opens and shuts the baffle slider that opens and shuts, spread the powder feed bin and be used for saving 3D and print the powder material.
Furthermore, the adhesion promoter spraying and dripping device comprises an adhesion promoter liquid storage tank, a liquid supply pump and a liquid supply pump installation block, wherein the adhesion promoter liquid storage tank is installed at one corner of the double-gantry frame, the adhesion promoter liquid storage tank is connected with an inlet of the liquid supply pump through an adhesion promoter conveying pipe, an adhesion promoter nozzle is arranged at an outlet of the liquid supply pump, the liquid supply pump is installed on the liquid supply pump installation block, and the liquid supply pump installation block is fixed on the X-axis movement mechanism.
Further, X axle motion includes X axle motor, synchronous pulley, X axle linear guide and X axle linear guide slider, the X axle motor is installed spread powder feed bin side, X axle motor output shaft is connected synchronous pulley, synchronous pulley passes through the hold-in range and connects X axle linear guide slider, X axle linear guide fixed mounting be in spread on the powder feed bin, the X axle motor passes through hold-in range drive X axle guide slider is in linear motion along X axle direction in the X axle linear guide.
Further, Y axle motion includes Y axle crossbeam, Y axle lead screw and Y axle motor, the Y axle crossbeam is fixed on the double gantry frame, be equipped with Y axle linear guide in the Y axle crossbeam, be equipped with Y axle slider in the Y axle linear guide, Y axle crossbeam one side is equipped with Y axle lead screw mount pad, Y axle crossbeam opposite side is equipped with Y axle motor mount pad, Y axle lead screw is installed on the Y axle lead screw mount pad, Y axle motor is installed on the Y axle motor mount pad, Y axle motor output shaft is connected the Y axle lead screw, the Y axle motor passes through Y axle lead screw drive Y axle slider is linear motion on the Y axle direction.
Further, Z axle motion includes Z axle motor, Z axle lead screw and the Z axle optical axis guide rail that two symmetries set up, two Z axle optical axis guide rail one end is connected spread the powder feed bin, and Z axle motor mounting panel is connected to the other end, the Z axle motor is installed on the Z axle motor mounting panel, Z axle motor output shaft is connected Z axle lead screw, two Z axle optical axis guide rail cover is equipped with the crosshead shoe, the crosshead shoe is connected perpendicularly respectively Y axle lead screw and Z axle lead screw, crosshead shoe lower extreme is connected Y axle slider upper end, the Z axle motor passes through the Z axle lead screw drives spread the powder device with the adhesion promoter spouts and drips the device and is linear motion along Z axle direction.
Further, the liquid supply pump is a peristaltic pump.
The embodiment of the utility model provides a beneficial effect that technical scheme brought is: the utility model relates to a large-scale powder bed hydrojet bonding formula 3D printer adopts powder material and binder to mix the back and lays on powder bed, then spouts through adhesion promoter and drips the device and spray adhesion promoter, with binder reaction postcure shaping, finally prints out three-dimensional entity, thereby powder bed accessible powder bed actuating mechanism drive removes to thereby the printing of the printing range realization jumbo size model of extension printer, the utility model discloses print efficiently, low cost is particularly suitable for the quick preparation of the preparation of large-scale industrialization model. The method can be used for model manufacturing for users such as enterprises, schools and the like, and can meet individual personalized requirements.
Drawings
Fig. 1 is an overall schematic diagram of a large powder bed liquid-spraying type 3D printer.
FIG. 2 is a schematic structural view of the X-axis movement mechanism 3 in FIG. 1
Fig. 3 is a schematic structural diagram of the powder spreading device 6 and the adhesion promoter droplet spraying device 7 in fig. 1.
Fig. 4 is a schematic view of the back of the powder spreading device 6 in fig. 1.
In the figure: 1-movable powder bed, 11-powder bed support frame, 12-powder bed driving motor, 13-optical axis guide rail sliding table, 14-optical axis guide rail, 15-powder bed driving screw rod, 16-powder bed, 2-double gantry frame, 3-X axis movement mechanism, 31-X axis motor, 32-synchronous belt wheel, 33-synchronous belt, 34-X axis linear guide rail, 35-X axis linear guide rail slide block, 4-Y axis movement mechanism, 41-Y axis beam, 42-Y axis linear guide rail, 43-Y axis screw rod mounting base, 44-Y axis screw rod, 45-Y axis slide block, 46-Y axis motor, 47-Y axis motor mounting base, 5-Z axis movement mechanism, 51-cross slide block, 52-Z axis optical axis guide rail, 53-Z axis motor mounting plate, 54-Z-axis motor, 55-Z-axis screw, 6-powder spreading device, 61-powder spreading bin, 62-opening-closing motor, 63-T-shaped opening-closing baffle, 64-opening-closing baffle sliding block, 65-powder outlet, 7-adhesion promoter spraying and dripping device, 71-adhesion promoter liquid storage box, 72-adhesion promoter conveying pipe, 73-liquid supply pump, 74-adhesion promoter nozzle and 75-liquid supply pump mounting block.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be further described below with reference to the accompanying drawings.
Referring to fig. 1 and 2, an embodiment of the present invention provides a large-scale powder bed spray bonding type 3D printer, which includes a movable powder bed 1, a double gantry frame 2, an X-axis motion mechanism 3, a Y-axis motion mechanism 4, a Z-axis motion mechanism 5, a powder spreading device 6, and an adhesion promoter spray dripping device 7.
The movable powder bed 1 comprises a powder bed driving mechanism and a powder bed 16, the powder bed driving mechanism comprises a powder bed supporting frame 11, a powder bed driving motor 12, an optical axis guide rail sliding table 13, an optical axis guide rail 14 and a powder bed driving lead screw 15, the powder bed driving motor 12 is fixedly installed on the powder bed supporting frame 11, one end of the powder bed driving lead screw 15 is connected with an output shaft of the powder bed driving motor 12, the other end of the powder bed driving lead screw 15 is connected with the powder bed 16, two sides of the upper part of the powder bed supporting device 11 are respectively provided with the optical axis guide rail sliding table 13, two sides of the bottom of the powder bed 16 are respectively provided with the optical axis guide rail 14 and each of the optical axis guide rail 14 passes through one optical axis guide rail sliding table 13 and can slide, the powder bed 16 is arranged on the optical axis guide rail 14, the powder bed driving motor 12 drives the powder bed driving lead screw 15 to drive the powder bed 16 along the optical axis guide rail 14 to, thereby extending the 3D printing area.
Z axle motion 5 includes Z axle motor 54, Z axle lead screw 55 and two symmetrical Z axle light axle guide rails 53 that set up, two Z axle light axle guide rail 53 one end is connected spread powder device 6, and Z axle motor mounting panel 53 is connected to the other end, Z axle motor 54 is installed on Z axle motor mounting panel 53, Z axle motor 54 output shaft is connected Z axle lead screw 55, two Z axle light axle guide rail 52 cover is equipped with crosshead shoe 51, crosshead shoe 51 is perpendicular threaded connection respectively Y axle lead screw 44 and Z axle lead screw 55, crosshead shoe 51 lower extreme is connected Y axle slider 45 upper end, Z axle motor 54 passes through Z axle lead screw 55 drives spread powder device 6 with the adhesion promoter spouts the droplet device 7 and is linear motion along Z axle direction.
Referring to fig. 3 and 4, the powder spreading device 6 includes a powder spreading bin 61, an opening and closing motor 62 and a T-shaped opening and closing baffle 63, the powder spreading bin 61 is a right-angled triangular prism, the upper end of the powder spreading bin 61 is connected to the Z-axis optical axis guide rail 52, the back of the powder spreading bin 61 is tightly attached to the T-shaped opening and closing baffle 63, a powder outlet 65 is arranged below the powder spreading bin 61, the upper end of the T-shaped opening and closing baffle 63 is fixed on an opening and closing baffle slider 64, an output shaft of the opening and closing motor 62 is connected to the opening and closing baffle slider 64, the powder spreading bin 61 is used for storing 3D printing powder materials, the powder materials include a base material and a binder, the opening and closing motor 62 controls the opening and closing baffle slider 64 to move upwards to drive the T-shaped opening and closing baffle 63 to move upwards, so that the powder outlet 65 is exposed, and the printing powder is uniformly laid, the opening and closing motor 62 controls the opening and closing baffle sliding block 64 to move downwards to drive the T-shaped opening and closing baffle 63 to move downwards, so that the powder spreading bin 61 is closed, and printing powder is not paved any more.
The adhesion promoter spraying and dripping device 7 comprises an adhesion promoter liquid storage tank 71, a liquid supply pump 73 and a liquid supply pump installation block 75, wherein the adhesion promoter liquid storage tank 71 is installed at one corner of the double gantry frame 2, an adhesion promoter is stored in the adhesion promoter liquid storage tank 71, the adhesion promoter can react with an adhesive in a powder material to promote the solidification and molding of the powder material, the adhesion promoter liquid storage tank 71 is connected with an inlet of the liquid supply pump 73 through an adhesion promoter conveying pipe 72, the liquid supply pump 73 is a peristaltic pump, an outlet of the liquid supply pump 73 is provided with an adhesion promoter nozzle 74, the liquid supply pump 73 is installed on the liquid supply pump installation block 75, the liquid supply pump installation block 75 is connected with the X-axis linear guide rail slide block 35 and moves linearly along the X-axis direction in the X-axis linear guide rail 34 along with the X-axis guide rail slide block 35.
In the embodiment, when 3D printing of powder materials is performed, a layer of powder materials is uniformly laid on the powder bed 16 by the powder laying device 6, then the adhesion promoter is sprayed by the adhesion promoter dripping device 7 according to a predetermined track, then powder laying and adhesion promoter spraying are continued, and the three-dimensional model is formed by stacking and bonding layer by layer; when a large three-dimensional model to be printed exceeds the limit moving range of the X-axis moving mechanism 3, the Y-axis moving mechanism 4 and the Z-axis moving mechanism 5, printing can be carried out by moving the powder bed 16 in different widths, after single-width printing is finished, the powder bed driving motor 12 drives the powder bed 16 to move for a certain distance so as to expand the printing range, then powder is continuously spread to finish the printing of the next width, after single-layer printing of the whole width is finished, the next layer is printed according to the same method, and the large three-dimensional model is formed by stacking and bonding layer by layer.
The utility model discloses concrete step when carrying out three-dimensional model and making does:
s1, preparation stage before 3D printing: closing the powder spreading bin 61, uniformly mixing powder materials (including a base material and a binder), loading the powder materials into the powder spreading bin 61, loading an adhesion promoter into the adhesion promoter storage tank 71, cleaning the adhesion promoter nozzle 74 and confirming that no blockage exists;
s2, powder paving: opening the powder spreading bin 61, starting the Y-axis movement mechanism 4 to move, and closing the powder spreading bin 61 after uniformly spreading the powder material with a preset area on the powder bed 16;
s3, powder layer leveling stage: the lower edge of the powder spreading bin 61 is controlled by the Y-axis movement mechanism 4 and the Z-axis movement mechanism 5 to scrape the spread powder material;
s4, jetting adhesion promoter stage: starting the liquid feed pump 73, controlling the adhesion promoter nozzle 74 to spray the adhesion promoter according to a preset track through the X-axis movement mechanism 3, the Y-axis movement mechanism 4 and the Z-axis movement mechanism 5, and closing the liquid feed pump 73 after the adhesion promoter is sprayed; if the frame printing is needed, the powder bed 16 is controlled by the powder bed driving motor 12 to move for one frame width, and powder spreading, leveling and adhesion promoter spraying actions are continuously carried out on a new frame until single-layer printing is finished. If multi-layer printing is carried out, after the first layer of scanning is finished, the Z-axis motion mechanism 5 controls the powder spreading device 6 and the adhesion promoter spraying device 7 to ascend by a layer thickness height, the second layer of powder spreading, scraping and adhesion promoter spraying actions are continuously carried out, the steps are circulated in this way, the powder is bonded and piled layer by layer until a three-dimensional model is finished,
s5, model taking and material recycling stage: and after the three-dimensional model is printed, closing the printer, removing the powder materials which do not participate in the forming around the printer, taking out the model, and recovering the powder materials which do not participate in the forming.
In this document, the terms front, back, upper and lower are used to define the components in the drawings and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.
The features of the embodiments and embodiments described herein above may be combined with each other without conflict.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (8)
1. The utility model provides a large-scale powder bed hydrojet bonding formula 3D printer which characterized in that: the powder spreading device comprises a movable powder bed, a double-gantry frame, an X-axis motion mechanism, a Y-axis motion mechanism, a Z-axis motion mechanism, a powder spreading device and an adhesion promoter spraying device, wherein the movable powder bed comprises a powder bed driving mechanism and a powder bed, the powder bed is positioned inside the double-gantry frame, the powder bed driving mechanism is connected with the powder bed and can drive the powder bed to move, the Y-axis motion mechanism is arranged at the upper part of the double-gantry frame, the Y-axis motion mechanism is vertically connected with the Z-axis motion mechanism, the lower end of the Z-axis motion mechanism is vertically connected with the X-axis motion mechanism, the X-axis motion mechanism is connected with the powder spreading device and the adhesion promoter spraying device, the powder spreading device is arranged above the powder bed, the powder spreading device comprises a powder spreading bin, an opening and closing motor and a T-shaped opening and closing baffle, the back of the powder spreading bin is tightly attached to the T-shaped opening and closing baffle, the utility model discloses a powder material storehouse, including powder bed, motor output shaft, T type baffle, X axle motion, Y axle motion and Z axle motion are used for removing the powder device is to predetermineeing the position, the motor drive that opens and shuts the baffle rebound of T type is opened spread the powder feed bin, the motor drive that opens and shuts the baffle rebound that opens and shuts of T type is closed spread the powder feed bin, spread the powder device be used for to lay the powder material on the powder bed, adhesion promoter spout the device and be used for predetermineeing the position on the powder bed and spray adhesion promoter.
2. The large powder bed spray bonding 3D printer of claim 1, wherein: powder bed actuating mechanism includes powder bed support frame, powder bed driving motor, optical axis guide rail slip table, optical axis guide rail and powder bed drive lead screw, powder bed driving motor fixed mounting be in on the powder bed support frame, powder bed drive lead screw one end is connected powder bed driving motor output shaft, the powder bed drive lead screw other end is connected the powder bed, powder bed support frame upper portion both sides respectively are equipped with one optical axis guide rail slip table, powder bed bottom both sides respectively are equipped with one the optical axis guide rail, each the optical axis guide rail passes one optical axis guide rail slip table and slidable, the powder bed sets up on the optical axis guide rail, powder bed driving motor passes through the drive powder bed drive lead screw drives the powder bed is in carry out rectilinear movement on the optical axis guide rail.
3. The large powder bed spray bonding 3D printer of claim 1, wherein: spread the powder feed bin and be right angle triangular prism, spread powder feed bin upper end and connect Z axle motion, the baffle upper end that opens and shuts of T type is fixed on the baffle slider that opens and shuts, the output shaft of the motor that opens and shuts the baffle slider that opens and shuts, spread the powder feed bin and be used for saving 3D and print powder material.
4. The large powder bed spray bonding 3D printer of claim 1, wherein: the adhesion promoter spraying and dripping device comprises an adhesion promoter liquid storage tank, a liquid supply pump and a liquid supply pump installation block, wherein the adhesion promoter liquid storage tank is installed at one corner of the double gantry crane frame, the adhesion promoter liquid storage tank is connected with an inlet of the liquid supply pump through an adhesion promoter conveying pipe, an adhesion promoter nozzle is arranged at an outlet of the liquid supply pump, the liquid supply pump is installed on the liquid supply pump installation block, and the liquid supply pump installation block is fixed on the X-axis movement mechanism.
5. The large powder bed spray bonding 3D printer of claim 1, wherein: x axle motion includes X axle motor, synchronous pulley, X axle linear guide and X axle linear guide slider, the X axle motor is installed spread powder feed bin side, X axle motor output shaft is connected synchronous pulley, synchronous pulley passes through the hold-in range and connects X axle linear guide slider, X axle linear guide fixed mounting is in spread on the powder feed bin, the X axle motor passes through hold-in range drive X axle guide slider is in be linear motion along X axle direction in the X axle linear guide.
6. The large powder bed spray bonding 3D printer of claim 1, wherein: y axle motion includes Y axle crossbeam, Y axle lead screw and Y axle motor, the Y axle crossbeam is fixed on the double gantry frame, be equipped with Y axle linear guide in the Y axle crossbeam, be equipped with Y axle slider in the Y axle linear guide, Y axle crossbeam one side is equipped with Y axle lead screw mount pad, Y axle crossbeam opposite side is equipped with Y axle motor mount pad, Y axle lead screw is installed on the Y axle lead screw mount pad, Y axle motor is installed on the Y axle motor mount pad, Y axle motor output shaft is connected the Y axle lead screw, the Y axle motor passes through Y axle lead screw drive Y axle slider is linear motion in Y axial direction.
7. The large powder bed spray bonding 3D printer of claim 6, wherein: z axle motion includes Z axle motor, Z axle lead screw and the Z axle optical axis guide rail that two bisymmetry set up, two Z axle optical axis guide rail one end is connected spread the powder feed bin, and Z axle motor mounting panel is connected to the other end, the Z axle motor is installed on the Z axle motor mounting panel, Z axle motor output shaft is connected Z axle lead screw, two Z axle optical axis guide rail cover is equipped with the crosshead shoe, the crosshead shoe is connected perpendicularly respectively Y axle lead screw and Z axle lead screw, the crosshead shoe lower extreme is connected Y axle slider upper end, the Z axle motor passes through the Z axle lead screw drives spread the powder device with the adhesion promoter spouts the droplet device and is linear motion along Z axle direction.
8. The large powder bed spray bonding 3D printer of claim 4, wherein: the liquid supply pump is a peristaltic pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920756303.4U CN210590588U (en) | 2019-05-23 | 2019-05-23 | Large-scale powder bed hydrojet bonding formula 3D printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920756303.4U CN210590588U (en) | 2019-05-23 | 2019-05-23 | Large-scale powder bed hydrojet bonding formula 3D printer |
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| Publication Number | Publication Date |
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| CN210590588U true CN210590588U (en) | 2020-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920756303.4U Expired - Fee Related CN210590588U (en) | 2019-05-23 | 2019-05-23 | Large-scale powder bed hydrojet bonding formula 3D printer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110328850A (en) * | 2019-05-23 | 2019-10-15 | 中国地质大学（武汉） | A kind of bonded 3D printer of large size powder bed hydrojet |
-
2019
- 2019-05-23 CN CN201920756303.4U patent/CN210590588U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110328850A (en) * | 2019-05-23 | 2019-10-15 | 中国地质大学（武汉） | A kind of bonded 3D printer of large size powder bed hydrojet |
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Granted publication date: 20200522 Termination date: 20210523 |