CN212528712U - Desktop level 3D printing equipment is with spreading powder structure - Google Patents
Desktop level 3D printing equipment is with spreading powder structure Download PDFInfo
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- CN212528712U CN212528712U CN202021117951.4U CN202021117951U CN212528712U CN 212528712 U CN212528712 U CN 212528712U CN 202021117951 U CN202021117951 U CN 202021117951U CN 212528712 U CN212528712 U CN 212528712U
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Abstract
The utility model provides a desktop level 3D printing equipment is with spreading powder structure, it relates to one kind and spreads the powder structure. The utility model provides a powder structure of spreading of current 3D printing apparatus generally be for serving large-scale 3D printing apparatus and design, the portability is relatively poor, and space utilization is also lower, the unable problem that adapts to desktop level 3D printing apparatus. The powder spreading structure for the desktop-level 3D printing equipment comprises a base (1), a powder spreading vehicle (2), a driving mechanism, a guide rail assembly and a guide rail (3); base (1) is the rectangular plate body, and the middle part of base (1) upper surface is equipped with rectangle through-hole (1-1), the both sides at rectangle through-hole (1-1) are installed respectively in guide rail set spare and guide rail (3), actuating mechanism installs the one end at shop's powder car (2), actuating mechanism with guide rail set spare sliding connection, the other end and guide rail (3) sliding connection of shop's powder car (2). The utility model is used for on the desktop level 3D printing apparatus.
Description
Technical Field
The utility model relates to a spread the powder structure, concretely relates to desktop level 3D printing apparatus is with spreading powder structure belongs to the printing device field.
Background
3D printing is a rapid prototyping technique, also known as additive manufacturing, which is a technique that builds objects by using bondable materials such as powdered metal or plastic and the like and printing layer by layer on the basis of a digital model file. 3D printing is typically achieved using printing equipment using control techniques in conjunction with corresponding materials. The method is often used for manufacturing models in the fields of mold manufacturing, industrial design and the like, and is gradually used for directly manufacturing some products, and parts printed by the technology are already available. The technology has applications in jewelry, footwear, industrial design, construction, engineering and construction AEC, automotive, aerospace, dental and medical industries, education, geographic information systems, civil engineering, firearms, and other fields. The powder paving structure is one of main devices of the 3D printing device, the powder paving structure of the conventional 3D printing device is generally designed for serving the large-scale 3D printing device, and for the desktop-level 3D printing device, the portability is poor, the space utilization rate is low, and the desktop-level 3D printing device cannot be adapted.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the powder structure of spreading of current 3D printing apparatus and generally design for being served in large-scale 3D printing apparatus, to desktop level 3D printing apparatus, its portability is relatively poor, and space utilization is also lower, can't adapt to desktop level 3D printing apparatus's problem, and then provide a desktop level 3D printing apparatus and use the powder structure of spreading.
The utility model discloses a solve the technical scheme that above-mentioned problem was taken and be: the utility model comprises a base, a powder spreading vehicle, a driving mechanism, a guide rail component and a guide rail;
the base is a rectangular plate body, a rectangular through hole is formed in the middle of the upper surface of the base, the guide rail assembly and the guide rail are respectively installed on two sides of the rectangular through hole, the driving mechanism is installed at one end of the powder paving vehicle, the driving mechanism is connected with the guide rail assembly in a sliding mode, and the other end of the powder paving vehicle is connected with the guide rail in a sliding mode.
Further, the guide rail assembly comprises a light-load guide rail and a heavy-load guide rail, the light-load guide rail and the heavy-load guide rail are sequentially arranged on the upper surface of the base side by side in parallel from outside to inside, and the central line of the light-load guide rail in the length direction and the central line of the heavy-load guide rail in the length direction are parallel to the central line of the base in the length direction.
Further, the utility model discloses still including spreading powder organ cover and spreading powder organ cover mount, spread powder organ cover and install on the base through spreading powder organ cover mount, just actuating mechanism is located spreads powder organ cover.
Furthermore, the driving mechanism comprises a sliding block, a speed reduction stepping motor, a driving belt wheel, a driven belt wheel and a synchronous belt;
the powder paving machine comprises a base, a sliding block, a light-load guide rail, a heavy-load guide rail, a powder paving vehicle, a driving belt wheel, a driven belt wheel, a driving belt, a driven belt wheel, a synchronous belt and a powder paving vehicle, wherein the sliding block is connected with the light-load guide rail and the heavy-load guide rail in a sliding mode, the sliding block is fixedly connected with one end of the powder paving vehicle, the driving belt wheel is fixedly installed at one end of the upper surface of the base, the driving belt wheel is fixedly sleeved on a.
Further, the driving mechanism further comprises a travel switch and a travel switch bracket; the travel switch is arranged on one side of the driven belt wheel through a travel switch bracket.
Further, the powder spreading vehicle comprises a powder spreading vehicle frame, a powder roller motor, a coupling and a powder spreading roller;
one end of the powder spreading vehicle frame is fixedly connected with the sliding block, the other end of the powder spreading vehicle frame is connected with the guide rail in a sliding mode, the powder spreading roller is installed on the powder spreading vehicle frame, the axis of the powder spreading roller is parallel to the central line of the powder spreading vehicle frame in the length direction, one end of the powder spreading roller is connected with the powder spreading vehicle frame in a rotating mode, and the other end of the powder spreading roller is connected with a rotating shaft of the powder rolling motor through a coupler.
Furthermore, the utility model also comprises a waste powder box connecting piece, a waste powder box cover plate and a waste powder box guide plate; the one end in the rectangle through-hole is installed to useless powder case connecting piece, and the other end in the rectangle through-hole is installed to useless powder case apron and useless powder case deflector.
The utility model has the advantages that:
the utility model relates to a powder spreading structure specially designed for small 3D printing equipment, the utility model has strong portability, high space utilization rate, convenient and fast disassembly and installation, good powder spreading planeness and high density, and can be independently formed into a module; the guide rail part has good sealing performance, excellent dustproof effect, easy maintenance and long service life; the structure assembly is difficult.
Drawings
FIG. 1 is a schematic sectional view of the present invention;
fig. 2 is a schematic view of the overall structure of the present invention;
FIG. 3 is a schematic cross-sectional view of the powder paving vehicle;
fig. 4 is a schematic overall structure diagram of the powder paving vehicle.
Detailed Description
The first embodiment is as follows: the present embodiment is described with reference to fig. 1 to 2, and the powder spreading structure for a desktop level 3D printing device according to the present embodiment includes a base 1, a powder spreading vehicle 2, a driving mechanism, a guide rail assembly, and a guide rail 3;
the powder paving machine is characterized in that the base 1 is a rectangular plate body, a rectangular through hole 1-1 is formed in the middle of the upper surface of the base 1, the guide rail assembly and the guide rail 3 are respectively installed on two sides of the rectangular through hole 1-1, the driving mechanism is installed at one end of the powder paving vehicle 2 and is in sliding connection with the guide rail assembly, and the other end of the powder paving vehicle 2 is in sliding connection with the guide rail 3.
During operation, the powder feeding box lifts the powder by one layer, the powder spreading vehicle is pulled by the synchronous belt to push the powder to enter the forming cavity, the forming surface is spread, and the redundant powder is continuously pushed forward into the waste powder box and then returns to the original position.
The second embodiment is as follows: the embodiment is described with reference to fig. 1 to 2, and the guide rail assembly of the powder spreading structure for the desktop-level 3D printing device in the embodiment includes a light-load guide rail 4 and a heavy-load guide rail 5, the light-load guide rail 4 and the heavy-load guide rail 5 are sequentially installed on the upper surface of the base 1 side by side in parallel from outside to inside, and the center line of the light-load guide rail 4 in the length direction and the center line of the heavy-load guide rail 5 in the length direction are both parallel to the center line of the base 1 in the length direction. Other components and connections are the same as those in the first embodiment.
The third concrete implementation mode: the present embodiment is described with reference to fig. 1 to 2, and the powder spreading structure for a desktop-level 3D printing apparatus according to the present embodiment further includes a powder spreading organ cover 6 and a powder spreading organ cover fixing frame 7, where the powder spreading organ cover 6 is installed on the base 1 through the powder spreading organ cover fixing frame 7, and the driving mechanism is located in the powder spreading organ cover 6. Other components and connections are the same as those in the first embodiment.
The fourth concrete implementation mode: the embodiment is described with reference to fig. 1 to 2, and the driving mechanism of the powder laying structure for the desktop-level 3D printing device in the embodiment includes a slider 8, a deceleration stepping motor 9, a driving pulley 10, a driven pulley 11 and a synchronous belt 12;
slider 8 and light-load guide rail 4 and heavy-load guide rail 5 sliding connection, slider 8 and the one end fixed connection of shop powder car 2, 9 fixed mounting of speed reduction step motor are in the one end of 1 upper surface of base, the fixed suit of driving pulley 10 is in the axis of rotation of speed reduction step motor 9, driven pulley 11 installs the other end at 1 upper surface of base, driving pulley 10 passes through hold-in range 12 and is connected with driven pulley 11, 8 suits of slider are on hold-in range 12, and slider 8 and hold-in range 12 fixed connection.
The utility model discloses slider 8 passes through hold-in range briquetting and hold-in range 12 fixed connection, and when speed reduction step motor 9 drove drive pulley 10 and rotates, hold-in range 12 began to remove under drive pulley 10 and 11 cooperation of driven pulley to drive slider 8 along underloading guide rail 4 and 5 linear movement of heavy load guide rail, slider 8 drives and spreads powder car 2 along 3 linear movement of guide rail.
Other components and connection relationships are the same as those in the first or second embodiment.
The fifth concrete implementation mode: the present embodiment is described with reference to fig. 1 to 2, and the driving mechanism of the powder laying structure for a desktop level 3D printing apparatus according to the present embodiment further includes a travel switch 13 and a travel switch bracket 14; a stroke switch 13 is mounted on one side of the driven pulley 11 through a stroke switch bracket 14. Other components and connection relationships are the same as those in the fourth embodiment.
The sixth specific implementation mode: the embodiment is described with reference to fig. 1 to 4, and the powder spreading vehicle 2 of the powder spreading structure for the desktop-level 3D printing equipment in the embodiment comprises a powder spreading vehicle frame 2-1, a powder roller motor 2-2, a coupling 2-3 and a powder spreading roller 2-4;
one end of a powder spreading frame 2-1 is fixedly connected with a sliding block 8, the other end of the powder spreading frame 2-1 is connected with a guide rail 3 in a sliding mode, a powder spreading roller 2-4 is installed on the powder spreading frame 2-1, the axis of the powder spreading roller 2-4 is parallel to the central line of the powder spreading frame 2-1 in the length direction, one end of the powder spreading roller 2-4 is rotatably connected with the powder spreading frame 2-1, and the other end of the powder spreading roller 2-4 is connected with a rotating shaft of a powder roller motor 2-2 through a coupling 2-3.
In the embodiment, the powder roller motor 2-2 drives the powder spreading roller 2-4 to rotate through the coupler 2-3, so that powder spreading action is realized.
Other components and connection relationships are the same as those in the fourth embodiment.
The seventh embodiment: the present embodiment is described with reference to fig. 1 to 4, and the powder spreading structure for a desktop-level 3D printing device according to the present embodiment further includes a waste powder box connecting member 15, a waste powder box cover plate 16, and a waste powder box guide plate 17; a waste powder box connecting piece 15 is arranged at one end in the rectangular through hole 1-1, and a waste powder box cover plate 16 and a waste powder box guide plate 17 are arranged at the other end in the rectangular through hole 1-1. Other components and connections are the same as those in the first embodiment.
Principle of operation
The speed reduction stepping motor 9 drives the driving belt wheel 10 to rotate, the driving belt wheel 10 and the driven belt wheel 11 are matched to drive the synchronous belt 12, the synchronous belt 12 drives the sliding block 8 to linearly move along the guide rail assembly, the sliding block 8 drives the powder paving vehicle 2 to move along the rectangular through hole 1-1 to pave powder, when the sliding block 8 moves to the driven belt wheel 11, the sliding block 8 touches the travel switch 13, the travel switch 13 controls the speed reduction stepping motor 9 to stop rotating, and the powder paving vehicle finishes one-time powder paving.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention has been disclosed with the preferred embodiment, it is not limited to the present invention, and any skilled person in the art can make modifications or changes equivalent to the equivalent embodiment without departing from the technical scope of the present invention, but all the modifications, equivalent substitutions, and improvements made to the above embodiments within the spirit and principle of the present invention still belong to the protection scope of the technical solution of the present invention.
Claims (7)
1. The utility model provides a desktop level 3D printing apparatus is with spreading powder structure which characterized in that: the powder spreading structure for the desktop-level 3D printing equipment comprises a base (1), a powder spreading vehicle (2), a driving mechanism, a guide rail assembly and a guide rail (3);
base (1) is the rectangular plate body, and the middle part of base (1) upper surface is equipped with rectangle through-hole (1-1), the both sides at rectangle through-hole (1-1) are installed respectively in guide rail set spare and guide rail (3), actuating mechanism installs the one end at shop's powder car (2), actuating mechanism with guide rail set spare sliding connection, the other end and guide rail (3) sliding connection of shop's powder car (2).
2. The powder paving structure for the desktop-level 3D printing equipment according to claim 1, characterized in that: the guide rail assembly comprises a light-load guide rail (4) and a heavy-load guide rail (5), the light-load guide rail (4) and the heavy-load guide rail (5) are sequentially arranged on the upper surface of the base (1) side by side in parallel from outside to inside, and the center line of the light-load guide rail (4) in the length direction and the center line of the heavy-load guide rail (5) in the length direction are parallel to the center line of the base (1) in the length direction.
3. The powder paving structure for the desktop-level 3D printing equipment according to claim 1, characterized in that: the powder spreading structure for the desktop-level 3D printing equipment further comprises a powder spreading organ cover (6) and a powder spreading organ cover fixing frame (7), wherein the powder spreading organ cover (6) is installed on the base (1) through the powder spreading organ cover fixing frame (7), and the driving mechanism is located in the powder spreading organ cover (6).
4. The powder paving structure for the desktop-level 3D printing equipment, according to claim 1 or 2, is characterized in that: the driving mechanism comprises a sliding block (8), a speed reduction stepping motor (9), a driving belt wheel (10), a driven belt wheel (11) and a synchronous belt (12);
slider (8) and light-load guide rail (4) and heavy load guide rail (5) sliding connection, slider (8) and the one end fixed connection of shop's powder car (2), speed reduction step motor (9) fixed mounting is in the one end of base (1) upper surface, the fixed suit of driving pulley (10) is in the axis of rotation of speed reduction step motor (9), the other end at base (1) upper surface is installed in driven pulley (11), driving pulley (10) are connected with driven pulley (11) through hold-in range (12), slider (8) suit is on hold-in range (12), and slider (8) and hold-in range (12) fixed connection.
5. The powder paving structure for the desktop-level 3D printing equipment according to claim 4, wherein: the driving mechanism further comprises a travel switch (13) and a travel switch bracket (14); the travel switch (13) is arranged on one side of the driven belt wheel (11) through a travel switch bracket (14).
6. The powder paving structure for the desktop-level 3D printing equipment according to claim 4, wherein: the powder spreading vehicle (2) comprises a powder spreading vehicle frame (2-1), a powder roller motor (2-2), a coupling (2-3) and a powder spreading roller (2-4);
one end of the powder spreading vehicle frame (2-1) is fixedly connected with the sliding block (8), the other end of the powder spreading vehicle frame (2-1) is connected with the guide rail (3) in a sliding mode, the powder spreading roller (2-4) is installed on the powder spreading vehicle frame (2-1), the axis of the powder spreading roller (2-4) is parallel to the central line of the powder spreading vehicle frame (2-1) along the length direction, one end of the powder spreading roller (2-4) is rotatably connected with the powder spreading vehicle frame (2-1), and the other end of the powder spreading roller (2-4) is connected with the rotating shaft of the powder rolling motor (2-2) through the coupler (2-3).
7. The powder paving structure for the desktop-level 3D printing equipment according to claim 1, characterized in that: the powder paving structure for the desktop-level 3D printing equipment further comprises a waste powder box connecting piece (15), a waste powder box cover plate (16) and a waste powder box guide plate (17); a waste powder box connecting piece (15) is arranged at one end in the rectangular through hole (1-1), and a waste powder box cover plate (16) and a waste powder box guide plate (17) are arranged at the other end in the rectangular through hole (1-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021117951.4U CN212528712U (en) | 2020-06-16 | 2020-06-16 | Desktop level 3D printing equipment is with spreading powder structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021117951.4U CN212528712U (en) | 2020-06-16 | 2020-06-16 | Desktop level 3D printing equipment is with spreading powder structure |
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| CN212528712U true CN212528712U (en) | 2021-02-12 |
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| CN202021117951.4U Active CN212528712U (en) | 2020-06-16 | 2020-06-16 | Desktop level 3D printing equipment is with spreading powder structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113085187A (en) * | 2021-04-02 | 2021-07-09 | 东北林业大学 | Modularized powder consumable supply system for laser sintering |
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2020
- 2020-06-16 CN CN202021117951.4U patent/CN212528712U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113085187A (en) * | 2021-04-02 | 2021-07-09 | 东北林业大学 | Modularized powder consumable supply system for laser sintering |
| CN113085187B (en) * | 2021-04-02 | 2023-08-18 | 东北林业大学 | Modularized powder consumable supply system for laser sintering |
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