Three-dimensional printing device capable of adjusting melting temperature and speed of metal powder

Abstract

The utility model discloses a three-dimensional printing device capable of adjusting the melting temperature and speed of metal powder, which comprises a material box, wherein a supporting seat is fixedly arranged at the lower end of the material box; the material groove is formed in the inner side of the material box, and a partition plate is fixedly installed on the inner side of the material groove; the discharging opening is fixedly formed in the outer side of the material box; the heating assembly is mounted on the inner side of the trough; the stirring assembly is mounted on the inner side of the trough; wherein through the heating assembly, the metal powder on the inner side of the trough can be heated; and through the stirring assembly, the metal powder on the inner side of the trough can be stirred. According to the three-dimensional printing device capable of adjusting the melting temperature and speed of the metal powder, electric power is provided for the heating block through the storage battery, the heating block converts electric energy into heat so as to heat the heat conducting plate at the upper end of the heating cavity, the heat is transferred to raw materials on the inner side of the material groove after the heat conducting plate is heated, and therefore the raw materials are heated, and the metal powder is heated and melted.

Description

TECHNICAL FIELD

[0001] The utility model relates to three -dimensional printing device technical field, concretely is a kind of three -dimensional printing device of adjustable metal powder melting temperature and speed. BACKGROUND

[0002] Three -dimensional printing device, namely 3D printer, is a kind of equipment that can print three-dimensional object, it utilizes the rapid prototyping principle of light solidification and paper layering, and constructs the three-dimensional shape of object by layer stacking material, in the process of three-dimensional printing, it needs to rely on material box to supply raw material.

[0003] The application number CN202410278345.7 of a kind of adjustable granular material melting temperature's three-dimensional printing device, the three-dimensional printing device of adjustable granular material melting temperature adopts the structure of melting barrel and auger, granular material can be effectively heated and melted, and is conveyed to extrusion head through discharge passage, realizes the accurate control to granular material melting temperature, adopts the structure of filter screen and heating sheet, can effectively filter out the impurity in granular material, and keeps the constant temperature state of granular material, improves the fluidity and uniformity of printing material, adopts the structure of cooling pipe and water bath cavity, can effectively regulate and control the temperature of extrusion head, prevents printing material from excessive solidification in extrusion head, improves printing precision and speed, adopts granular material as three-dimensional printing material, compared with filament or rod material, granular material has better heat conductivity, can realize more uniform heating and faster cooling, to improve printing speed and printing precision.

[0004] The device adopts the structure of cooling pipe and water bath cavity, can effectively regulate and control the temperature of extrusion head, prevents printing material from excessive solidification in extrusion head, improves printing precision and speed, but the device cannot uniformly heat the raw material inside material box when heating raw material, the innermost raw material can only rely on the outermost raw material to conduct heat and be heated when heating, not only will cause uneven heating of inner and outer raw material, but also will affect the melting speed of raw material, to affect the use of three-dimensional printing device.

[0005] In view of the above problems, it is urgent to make innovative design on the basis of original three-dimensional printing device structure of adjustable metal powder melting temperature and speed. INVENTION CONTENTS

[0006] The utility model discloses a purpose at providing a kind of three-dimensional printing device of adjustable metal powder melting temperature and speed, to solve the above background art proposed the device when heating raw material, cannot evenly make raw material inside material box heat, the raw material of innermost layer can only rely on the heat conduction of outermost raw material to heat, not only will cause uneven heating of inside and outside raw material, and will affect the speed of raw material melting, to affect the use of three-dimensional printing device Problem.

[0007] To achieve the above object, the utility model provides the following technical scheme: a kind of three-dimensional printing device of adjustable metal powder melting temperature and speed, including material box, the support seat is fixedly installed in the lower end of the material box;Material groove, the material groove is opened in material box inside, and baffle is fixedly installed in material groove inside;Discharge gate, the discharge gate is fixedly installed in material box outside;Heating assembly, the heating assembly is installed in material groove inside;

[0008] Stirring assembly, the stirring assembly is installed in material groove inside;Wherein, by the heating assembly, metal powder in material groove inside can be heated;By the stirring assembly, metal powder in material groove inside can be stirred.

[0009] Preferably, the heating assembly includes heat-conducting plate, heating chamber and heating block, the heat-conducting plate is fixedly installed in material groove inside, and heating chamber is opened in material groove inside, and heating block is fixedly installed in heating chamber inside.

[0010] Preferably, the heating assembly further includes battery, the battery is fixedly installed in material box outside, and battery and heating block are electrically connected.

[0011] Preferably, the stirring assembly includes servo motor, stirring shaft and stirrer, the servo motor is fixedly installed in material box outside, and servo motor output end penetrates material box inside, the servo motor output end is slidably connected with stirring shaft, and stirrer is installed at equal intervals on the outside of stirring shaft.

[0012] Preferably, the stirring assembly further includes clamping groove and clamping block, the clamping groove is opened in stirring shaft inside, and clamping block is connected with the clamping groove inside, and clamping block is fixedly installed in servo motor output end.

[0013] Preferably, the stirring assembly further includes pressing disc, sliding rod, tray and extension spring, the pressing disc is fixedly installed on the outside of stirring shaft, and sliding rod is fixedly connected on the outside of pressing disc, the sliding rod penetrates the inside of tray, and the tray is fixedly installed in servo motor output end, and extension spring is connected between pressing disc and tray.

[0014] Preferably, the stirring assembly further comprises a rotating disc, a first beveled block and a second beveled block, the rotating disc is fixedly installed at the tail end of the stirring shaft, and the first beveled blocks are installed at equal angles on the outside of the rotating disc, the second beveled blocks are fixedly installed on the inside of the trough, and the second beveled blocks and the first beveled blocks are distributed in one-to-one correspondence from left to right.

[0015] Compared with the prior art, the three-dimensional printing device capable of adjusting the melting temperature and speed of metal powder has the following beneficial effects:

[0016] 1. A heating structure, which provides power for the heating block through the battery, and the heating block converts the electric energy into heat to heat the heat-conducting plate at the upper end of the heating chamber, and the heat-conducting plate transmits the heat to the raw materials on the inside of the trough after being heated, so that the raw materials are heated and the metal powder is melted;

[0017] 2. A structure capable of adjusting the heating speed, which runs the servo motor when the raw materials on the inside of the trough are heated, and the output end of the servo motor drives the stirring shaft to rotate, so that the plurality of stirrers on the outside rotate together through the rotation of the stirring shaft, and the raw materials on the inside of the trough are stirred through the rotation of the plurality of stirrers, so that the raw materials are evenly heated and the melting speed is improved;

[0018] Further, when the stirring shaft rotates, the rotating disc at the tail end of the stirring shaft also rotates together, when the first beveled block contacts the second beveled block, the beveled portion of the second beveled block abuts against the beveled portion of the first beveled block, so as to push the inside of the stirring shaft to slide along the output end of the servo motor and press the extension spring, when the second beveled block is separated from the first beveled block, the pressing disc on the outside of the stirring shaft is reset through the elastic force of the extension spring, and through the reciprocating operation of the above structure, the inside of the stirring shaft reciprocally slides along the output end of the servo motor, so as to avoid that the raw materials adhere to the outside of the stirring shaft and improve the stirring effect of the raw materials. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a whole three-dimensional structure schematic view of the utility model;

[0020] Figure 2 It is a structure schematic view of the material box of the utility model;

[0021] Figure 3 It is a structure schematic view of the material box of the utility model;

[0022] Figure 4 It is a structure schematic view of the utility model of the servo motor output end and the stirring shaft connection;

[0023] Figure 5 It is a three-dimensional structure schematic view of the utility model of the stirring shaft;

[0024] Figure 6 This is a schematic diagram of the connection structure between the first inclined block and the second inclined block of this utility model.

[0025] In the diagram: 1. Material bin; 2. Support base; 3. Material trough; 4. Baffle plate; 5. Discharge port; 6. Heating assembly; 601. Heat-conducting plate; 602. Heating chamber; 603. Heating block; 604. Battery; 7. Stirring assembly; 701. Servo motor; 702. Stirring shaft; 703. Slot; 704. Slot block; 705. Stirrer; 706. Pressure plate; 707. Sliding rod; 708. Tray; 709. Telescopic spring; 710. Rotary disk; 711. First inclined block; 712. Second inclined block. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] Please see Figures 1-6 This utility model provides a technical solution: a three-dimensional printing device with adjustable metal powder melting temperature and speed, comprising:

[0028] Example 1: As Figures 1-3 The present invention provides a technical solution: a three-dimensional printing device for adjusting the melting temperature and speed of metal powder, comprising: a material bin 1, with a support base 2 fixedly installed at the lower end of the material bin 1; a material trough 3, which is opened inside the material bin 1, and a partition 4 is fixedly installed inside the material trough 3; a discharge port 5, which is fixedly installed on the outside of the material bin 1; a heating component 6, which is installed inside the material trough 3; and a stirring component 7, which is installed inside the material trough 3. The heating component 6 heats the metal powder inside the material trough 3, and the stirring component 7 stirs the metal powder inside the material trough 3.

[0029] The heating assembly 6 includes a heat-conducting plate 601, a heating chamber 602, and a heating block 603. The heat-conducting plate 601 is fixedly installed inside the material trough 3, and the heating chamber 602 is opened inside the material trough 3. The heating block 603 is fixedly installed inside the heating chamber 602. The heating assembly 6 also includes a battery 604, which is fixedly installed outside the material box 1. The battery 604 is electrically connected to the heating block 603.

[0030] This structure provides power to the heating block 603 through the storage battery 604. The heating block 603 converts electrical energy into heat, thereby heating the heat-conducting plate 601 at the upper end of the heating chamber 602. After being heated, the heat-conducting plate 601 transfers heat to the raw material inside the material tank 3, thereby heating the raw material and melting the metal powder.

[0031] Example 2: Figures 1-2 , Figures 4-6 The present invention provides a technical solution: a 3D printing device with adjustable melting temperature and speed of metal powder, which discloses that: the stirring assembly 7 includes a servo motor 701, a stirring shaft 702, and a stirrer 705. The servo motor 701 is fixedly installed on the outside of the material box 1, and the output end of the servo motor 701 passes through the inside of the material box 1. The output end of the servo motor 701 is slidably connected to the stirring shaft 702, and the stirrer 705 is equidistantly installed on the outside of the stirring shaft 702; the stirring assembly 7 also includes a slot 703 and a locking block 704. The slot 703 is opened on the inside of the stirring shaft 702, and the locking block 704 is engaged with the inside of the slot 703, and the locking block 704 is fixedly installed on the output end of the servo motor 701; the stirring assembly 7 also includes a pressure plate 70. 6. A sliding rod 707, a tray 708, and a telescopic spring 709 are included. A pressure plate 706 is fixedly installed on the outside of the stirring shaft 702, and a sliding rod 707 is fixedly connected to the outside of the pressure plate 706. The sliding rod 707 passes through the inside of the tray 708, and the tray 708 is fixedly installed at the output end of the servo motor 701. A telescopic spring 709 is connected between the pressure plate 706 and the tray 708. The stirring assembly 7 also includes a rotating disk 710, a first inclined block 711, and a second inclined block 712. The rotating disk 710 is fixedly installed at the tail end of the stirring shaft 702, and the first inclined block 711 is installed at equal angles on the outside of the rotating disk 710. The second inclined block 712 is fixedly installed on the inside of the material trough 3, and the second inclined block 712 and the first inclined block 711 are distributed in a one-to-one correspondence from left to right.

[0032] When the raw material inside the material tank 3 is heated, the servo motor 701 is operated, the output end of the servo motor 701 drives the stirring shaft 702 to rotate, so that the outer side of the plurality of groups of stirrers 705 are driven to rotate by the rotation of the stirring shaft 702, the raw material inside the material tank 3 is stirred by the rotation of the plurality of groups of stirrers 705, so that the raw material is evenly heated and the melting speed is improved, and when the stirring shaft 702 rotates, the rotating disc 710 at the tail end of the stirring shaft 702 also rotates, when the first inclined block 711 and the second inclined block 712 are in contact, the inclined part of the second inclined block 712 is in contact with the inclined part of the first inclined block 711, so as to push the inside of the stirring shaft 702 to slide along the output end of the servo motor 701, and extrude the extension spring 709, when the second inclined block 712 is separated from the first inclined block 711, the pressing disc 706 outside the stirring shaft 702 is reset by the elastic force of the extension spring 709, through the reciprocating operation of the above structure, the inside of the stirring shaft 702 reciprocates left and right along the output end of the servo motor 701, so as to avoid the raw material adhering to the outside of the stirring shaft 702 and improve the stirring effect of the raw material.

[0033] The contents not described in detail in the specification belong to the prior art known to those skilled in the art.

[0034] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A three-dimensional printing device capable of adjusting the melting temperature and speed of metal powder, characterized by, Include: The material box (1), the support seat (2) is fixedly installed in the lower end of the material box (1); The trough (3) is opened in the inner side of the material box (1), and the baffle (4) is fixedly installed in the inner side of the trough (3); The discharge port (5) is fixedly installed on the outer side of the material box (1); The heating assembly (6) is installed in the inner side of the trough (3); The stirring assembly (7) is installed in the inner side of the trough (3); wherein, Through the heating assembly (6), the metal powder in the inner side of the trough (3) can be heated; Through the stirring assembly (7), the metal powder in the inner side of the trough (3) can be stirred.

2. The apparatus for 3D printing with adjustable melting temperature and speed of metal powder according to claim 1, characterized in that: The heating assembly (6) includes a heat-conducting plate (601), a heating chamber (602) and a heating block (603), the heat-conducting plate (601) is fixedly installed in the inner side of the trough (3), and the heating chamber (602) is opened in the inner side of the trough (3), and the heating block (603) is fixedly installed in the inner side of the heating chamber (602).

3. The apparatus for 3D printing with adjustable melting temperature and speed of metal powder according to claim 2, wherein: The heating assembly (6) further comprises a battery (604), the battery (604) is fixedly installed on the outer side of the material box (1), and the battery (604) is electrically connected with the heating block (603).

4. The apparatus for 3D printing with adjustable melting temperature and speed of metal powder according to claim 1, wherein: The stirring assembly (7) includes a servo motor (701), a stirring shaft (702) and a stirrer (705), the servo motor (701) is fixedly installed on the outer side of the material box (1), and the output end of the servo motor (701) penetrates the inner side of the material box (1), the output end of the servo motor (701) is slidably connected with the stirring shaft (702), and the stirring shaft (702) is installed with the stirrer (705) at equal intervals on the outer side.

5. The apparatus for 3D printing with adjustable melting temperature and speed of metal powder according to claim 4, wherein: The stirring assembly (7) further comprises a clamping groove (703) and a clamping block (704), the clamping groove (703) is opened in the inner side of the stirring shaft (702), and the clamping block (704) is connected with the clamping groove (703) in the inner side, and the clamping block (704) is fixedly installed on the output end of the servo motor (701).

6. The apparatus for 3D printing with adjustable melting temperature and speed of metal powder according to claim 5, wherein: The stirring assembly (7) further comprises a pressing disc (706), a sliding rod (707), a tray (708) and a telescopic spring (709), the pressing disc (706) is fixedly installed on the outer side of the stirring shaft (702), and the sliding rod (707) is fixedly connected with the pressing disc (706) on the outer side, the sliding rod (707) penetrates the inner side of the tray (708), and the tray (708) is fixedly installed on the output end of the servo motor (701), the telescopic spring (709) is connected between the pressing disc (706) and the tray (708).

7. The apparatus of claim 6, wherein the apparatus is configured to adjust the temperature and the speed of the metal powder. The stirring assembly (7) further comprises a rotating disc (710), a first beveled block (711) and a second beveled block (712), the rotating disc (710) is fixedly installed on the tail end of the stirring shaft (702), and the first beveled block (711) is installed at equal angles on the outer side of the rotating disc (710), the second beveled block (712) is fixedly installed in the inner side of the trough (3), and the second beveled block (712) and the first beveled block (711) are distributed in one-to-one correspondence on the left and right sides.

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