CN219598003U - Raw material melting device for 3D sand mould printing - Google Patents

Abstract

The utility model discloses a raw material melting device for 3D sand mould printing, which comprises a base and a group of vertical mounting plates fixedly mounted on two sides of the base, wherein a melting box is movably mounted between the group of vertical mounting plates, the left side of the melting box is connected with a swinging mechanism, the melting box is internally provided with a melting mechanism, the swinging mechanism comprises a group of rotating shafts, mounting plates, a driving motor, rotating rods, fixed sliding rails, sliding racks, sliding frames and incomplete gears, and the melting mechanism comprises a rotating motor, a rotating shaft, a scraping plate, a screen plate, a group of crankshafts, a plurality of connecting rods, a plurality of fixed sleeves, a plurality of heating rods and a plurality of spiral blades. The utility model has the beneficial effects that the swinging mechanism can drive the melting box to swing reciprocally, so that raw materials in the melting box are stressed and turned over, and the raw materials in the melting box can be fully heated by adopting a plurality of heating rods and a plurality of spiral blades by the matching melting mechanism, so that the raw materials are heated more uniformly, and the subsequent printing effect is improved.

Description

Raw material melting device for 3D sand mould printing

Technical Field

The utility model relates to the field of 3D printing, in particular to a raw material melting device for 3D sand mould printing.

Background

The 3D printing technology takes a computer three-dimensional design model as a blue book, and special materials such as metal powder, ceramic powder, plastic, cell tissues and the like are stacked and bonded layer by utilizing a laser beam, a hot melt nozzle and the like through a software layered discrete and numerical control molding system, and finally, the solid product is manufactured by stacking and molding.

The 3D sand mould printing adhesive needs a plurality of raw materials to fuse, and whether the raw materials are completely even or not is a key for influencing the printing effect. The application number is CN202121753703.3 in the current patent, discloses a raw materials melting device that 3D sand mould printing was used, through the cooperation of sieve case and scraping plate, guarantees the qualification rate of getting into the interior raw materials of melting case, and helical blade is guaranteeing the even heating of raw materials melting in-process to can accelerate the unloading. However, the heating wire is matched with the spiral blade, so that the raw materials in the melting box cannot be sufficiently heated, the raw materials are heated unevenly, and the subsequent printing effect is affected.

The foregoing is not necessarily a prior art, and falls within the technical scope of the inventors.

Disclosure of Invention

In order to overcome the defects, the utility model provides a raw material melting device for 3D sand mould printing, which aims to solve the problem of raw material melting for 3D sand mould printing.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

a raw material melting device for D sand mould printing comprises a base and a group of vertical mounting plates fixedly mounted on two sides of the base, wherein a melting box is movably mounted between the group of vertical mounting plates, the left side of the melting box is connected with a swinging mechanism, and a melting mechanism is arranged in the melting box;

the swing mechanism comprises a group of rotating shafts, a mounting plate, a driving motor, a rotating rod, a fixed sliding rail, a sliding rack, a sliding frame and an incomplete gear, wherein the group of rotating shafts are movably inserted into the upper ends of the group of vertical mounting plates and are connected with two sides of a melting box, the mounting plate is mounted on the left vertical mounting plate, the driving motor is horizontally mounted on the left side of the mounting plate, the rotating rod is mounted on the rotating end of the driving motor, the fixed sliding rail is mounted on the right side of the mounting plate, the sliding rack is slidably mounted on the left side of the fixed sliding rail, the sliding frame is fixedly mounted on the left side of the sliding rack, and the incomplete gear is mounted on the rotating shaft on the left side and is meshed with the sliding rack.

Further, the melting mechanism comprises a rotating motor, a rotating shaft, a scraping plate, a screen plate, a group of crankshafts, a plurality of connecting rods, a plurality of fixing sleeves, a plurality of heating rods and a plurality of helical blades, wherein the rotating motor is arranged at the center of the upper end of the melting box, the rotating end is movably inserted into the melting box, the rotating shaft is arranged at the rotating end of the rotating motor, the scraping plate is arranged at the upper end of the rotating shaft, the screen plate is arranged at the inner top of the melting box and below the scraping plate, the groups of crankshafts are movably arranged on two sides of the melting box, the plurality of connecting rods are arranged on the group of crankshafts, the plurality of fixing sleeves are fixedly arranged in the melting box, the plurality of heating rods are movably inserted into the plurality of fixing sleeves, the upper end of the heating rods are movably hinged with the plurality of connecting rods, and the plurality of helical blades are uniformly arranged at the bottom of the rotating shaft.

Further, a driving bevel gear is mounted on the rotating shaft, and a group of crankshafts are meshed with the driving bevel gear through a group of driven bevel gears.

Furthermore, the charging pipes are inserted into two sides of the upper end of the melting box, and the electric heating plate is arranged on the inner wall of the melting box.

Further, the front end of the rotating rod is slidably arranged in the sliding frame through a sliding block.

Further, a discharging pipeline is inserted into the bottom of the melting box.

The utility model provides a raw material melting device for 3D sand mould printing, which has the advantages that a swinging mechanism is connected to the left side of a melting box and can drive the melting box to swing reciprocally, so that raw materials in the melting box are stressed and turned over, the raw materials in the melting box can be fully heated by adopting a plurality of heating rods and a plurality of spiral blades by matching the melting mechanism, and the raw materials are heated more uniformly, so that the subsequent printing effect is improved.

Drawings

Fig. 1 is a schematic diagram of a raw material melting device for 3D sand printing according to the present utility model.

Fig. 2 is an enlarged view of a portion of fig. 1 at a in accordance with the present utility model.

Fig. 3 is a schematic view of the swing mechanism of the present utility model.

FIG. 4 is a schematic view of a melting mechanism according to the present utility model.

Fig. 5 is an external view of a raw material melting device for 3D sand printing according to the present utility model.

In the figure: 1. a base; 2. a vertical mounting plate; 3. a melting box; 4. a rotating shaft; 5. a mounting plate; 6. a driving motor; 7. a rotating lever; 8. fixing the sliding rail; 9. sliding racks; 10. a sliding frame; 11. an incomplete gear; 12. a rotating electric machine; 13. a rotation shaft; 14. a scraping plate; 15. a screen plate; 16. a crankshaft; 17. a connecting rod; 18. a fixed sleeve; 19. a heating rod; 20. a helical blade; 21. a driving bevel gear; 22. a driven bevel gear; 23. a feeding tube; 24. an electric heating plate; 25. a slide block; 26. and a discharging pipeline.

Detailed Description

The utility model is described in detail below with reference to the accompanying drawings, as shown in fig. 1-5: the raw material melting device for 3D sand mould printing comprises a base 1 and a group of vertical mounting plates 2 fixedly mounted on two sides of the base 1, a melting box 3 is movably mounted between the group of vertical mounting plates 2, a swinging mechanism is connected to the left side of the melting box 3, and a melting mechanism is arranged in the melting box 3; the swing mechanism comprises a group of rotating shafts 4, a mounting plate 5, a driving motor 6, a rotating rod 7, a fixed sliding rail 8, a sliding rack 9, a sliding frame 10 and an incomplete gear 11, wherein the group of rotating shafts 4 are movably inserted into the upper ends of the group of vertical mounting plates 2 and are connected with two sides of the melting box 3, the mounting plate 5 is mounted on one vertical mounting plate 2 on the left side, the driving motor 6 is horizontally mounted on the left side on the mounting plate 5, the rotating rod 7 is mounted on the rotating end of the driving motor 6, the fixed sliding rail 8 is mounted on the right side on the mounting plate 5, the sliding rack 9 is slidably mounted on the left side of the fixed sliding rail 8, the sliding frame 10 is fixedly mounted on the left side of the sliding rack 9, and the incomplete gear 11 is mounted on one rotating shaft 4 on the left side and is meshed with the sliding rack 9; the melting mechanism comprises a rotating motor 12, a rotating shaft 13, a scraping plate 14, a screen plate 15, a group of crankshafts 16, a plurality of connecting rods 17, a plurality of fixing sleeves 18, a plurality of heating rods 19 and a plurality of helical blades 20, wherein the rotating motor 12 is arranged at the center of the upper end of the melting box 3, the rotating end is movably inserted into the melting box 3, the rotating shaft 13 is arranged on the rotating end of the rotating motor 12, the scraping plate 14 is arranged at the upper end of the rotating shaft 13, the screen plate 15 is arranged at the top in the melting box 3 and is positioned below the scraping plate 14, the group of crankshafts 16 is movably arranged at two sides in the melting box 3, the plurality of connecting rods 17 are arranged on the group of crankshafts 16, the plurality of fixing sleeves 18 are fixedly arranged in the melting box 3, the plurality of heating rods 19 are movably inserted into the plurality of fixing sleeves 18, the upper end is movably hinged with the plurality of connecting rods 17, and the plurality of helical blades 20 are uniformly arranged at the bottom of the rotating shaft 13; the rotary shaft 13 is provided with a driving bevel gear 21, and a group of crankshafts 16 are meshed with the driving bevel gear 21 through a group of driven bevel gears 22; charging pipes 23 are inserted into two sides of the upper end of the melting tank 3, and an electric heating plate 24 is arranged on the inner wall of the melting tank 3; the front end of the rotating rod 7 is slidably arranged in the sliding frame 10 through a sliding block 25; a discharging pipeline 26 is inserted into the bottom of the melting tank 3.

The working principle of the embodiment is as follows: when the device is used, a user firstly inputs raw materials for 3D sand mould printing to be melted into the melting box 3 through a group of charging pipes 23;

when swinging: the group of rotating shafts 4 are movably inserted into the upper ends of the group of vertical mounting plates 2 through fastening bearings and are connected with two sides of the melting box 3, the mounting plates 5 are mounted on one vertical mounting plate 2 on the left side, the driving motor 6 is horizontally mounted on the left side of the mounting plates 5, the rotating rods 7 are mounted on the rotating ends of the driving motor 6, the fixed sliding rails 8 are mounted on the right side of the mounting plates 5, the sliding racks 9 are slidably mounted on the left side of the fixed sliding rails 8, the sliding frame 10 is fixedly mounted on the left side of the sliding racks 9, the incomplete gear 11 is mounted on one rotating shaft 4 on the left side and is meshed with the sliding racks 9, the front ends of the rotating rods 7 are slidably mounted in the sliding frame 10 through sliding blocks 25, as shown in fig. 1-3, the driving motor 6 drives the sliding racks 9 to reciprocate on the fixed sliding rails 8 through the rotating rods 7 and the sliding frames 10, and the sliding racks 9 drive the melting box 3 on the group of rotating shafts 4 to reciprocate through the incomplete gear 11, so that raw materials in the melting box 3 are stressed and turned over, and raw materials in the melting box are convenient to be carried out subsequently;

melting: the rotating electrical machine 12 is installed in the center of the upper end of the melting box 3, the rotating end is movably inserted into the melting box 3 through a fastening bearing, the rotating shaft 13 is installed on the rotating end of the rotating electrical machine 12, the scraping plate 14 is installed at the upper end of the rotating shaft 13, the screen plate 15 is installed at the inner top of the melting box 3 and positioned below the scraping plate 14, a group of crankshafts 16 are movably installed at the two sides in the melting box 3 through the fastening bearing, a plurality of connecting rods 17 are installed on a group of crankshafts 16, a plurality of fixing sleeves 18 are fixedly installed in the melting box 3, a plurality of heating rods 19 are movably inserted into a plurality of fixing sleeves 18, the upper end is movably hinged with a plurality of connecting rods 17, a plurality of spiral blades 20 are uniformly installed at the bottom of the rotating shaft 13, a driving bevel gear 21 is installed on the rotating shaft 13, a group of crankshafts 16 are mutually meshed with the driving bevel gear 21 through a group of driven bevel gears 22, as shown in fig. 4, raw materials put into the melting box 3 firstly fall into the inner bottom of the melting box 3 after being screened by the screen plate 15, the rotating shaft 13 drives the scraping plate 14 to grind the upper surface of the plate 15 or the large-grain raw materials, the inner wall of the heating rods 3 can be uniformly heated by the heating bevel gear 21, a plurality of the driven bevel gears 24 are uniformly installed in the heating bevel gear 21, and the bottom of the heating rods are uniformly heated by the driving bevel gear 21 are driven by the driving bevel gear 21, and the driving bevel gear 21 is uniformly installed at the bottom of the heating plate 21, and the heating plate is further heated by the heating plate 21, the heating plate is simultaneously, the bottom is further heated by the driving bevel 21, the driving plate 21 is further heated by the driving plate 21, and the driving plate is simultaneously, the heating plate is further heated by the heating plate 21.

The above technical solution only represents the preferred technical solution of the present utility model, and some changes that may be made by those skilled in the art to some parts of the technical solution represent the principles of the present utility model, and the technical solution falls within the scope of the present utility model.

Claims (6)

1. The raw material melting device for 3D sand mould printing comprises a base (1) and a group of vertical mounting plates (2) fixedly mounted on two sides of the base (1), and is characterized in that a melting box (3) is movably mounted between the group of vertical mounting plates (2), the left side of the melting box (3) is connected with a swinging mechanism, and a melting mechanism is arranged in the melting box (3);

the swing mechanism comprises a group of rotating shafts (4), mounting plates (5), driving motors (6), rotating rods (7), fixed sliding rails (8), sliding racks (9), sliding frames (10) and incomplete gears (11), wherein the group of rotating shafts (4) are movably inserted into the upper ends of the group of vertical mounting plates (2) and are connected with two sides of a melting box (3), the mounting plates (5) are mounted on the left vertical mounting plates (2), the driving motors (6) are horizontally mounted on the left side of the mounting plates (5), the rotating rods (7) are mounted on the rotating ends of the driving motors (6), the fixed sliding rails (8) are mounted on the right side of the mounting plates (5), the sliding racks (9) are slidably mounted on the left side of the fixed sliding rails (8), the sliding frames (10) are fixedly mounted on the left side of the sliding racks (9), and the incomplete gears (11) are mounted on the left vertical mounting plates (4) and are meshed with the sliding racks (9).

2. The raw material melting device for 3D sand mold printing according to claim 1, wherein the melting mechanism comprises a rotating motor (12), a rotating shaft (13), a scraping plate (14), a screen plate (15), a group of crankshafts (16), a plurality of connecting rods (17), a plurality of fixed sleeves (18), a plurality of heating rods (19) and a plurality of helical blades (20), the rotating motor (12) is installed at the center of the upper end of the melting box (3), the rotating shaft (13) is installed on the rotating end of the rotating motor (12), the scraping plate (14) is installed at the upper end of the rotating shaft (13), the screen plate (15) is installed at the inner top of the melting box (3) and is located below the scraping plate (14), the group of crankshafts (16) are movably installed at the inner two sides of the melting box (3), the plurality of connecting rods (17) are installed on the group of crankshafts (16), the plurality of fixed sleeves (18) are fixedly installed in the melting box (3), the plurality of movable sleeves (19) are movably installed on the plurality of helical blades (16), and the plurality of movable sleeves (19) are evenly installed on the plurality of the helical blades (17) and are hinged to the plurality of movable sleeves (17.

3. A raw material melting apparatus for 3D sand printing as claimed in claim 2, wherein the rotary shaft (13) is provided with a driving bevel gear (21), and a set of crankshafts (16) are intermeshed with the driving bevel gear (21) via a set of driven bevel gears (22).

4. The raw material melting device for 3D sand mould printing according to claim 1, wherein feeding pipes (23) are inserted into two sides of the upper end of the melting box (3), and an electric heating plate (24) is arranged on the inner wall of the melting box (3).

5. The raw material melting device for 3D sand mold printing according to claim 1, wherein the front end of the rotating rod (7) is slidably mounted in the sliding frame (10) through a sliding block (25).

6. Raw material melting device for 3D sand printing according to claim 1, characterized in that the bottom of the melting tank (3) is inserted with a discharge pipe (26).