CN112590209A

CN112590209A - Material piles up former fast based on 3D prints

Info

Publication number: CN112590209A
Application number: CN202011339877.5A
Authority: CN
Inventors: 朱献涛; 彭志源
Original assignee: Anhui Opsis Technology Co ltd
Current assignee: Shenzhen Xinhengchang Technology Co ltd
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2021-04-02
Anticipated expiration: 2040-11-25
Also published as: CN112590209B

Abstract

The invention provides a material rapid stacking and forming device based on 3D printing, which relates to the field of 3D printing and comprises a bearing frame and a moving mechanism, wherein the moving mechanism is arranged in the bearing frame and comprises a positioning sleeve; an overhead pull rod seat is fixed at the top end of the positioning sleeve, and a lifting driving unit is fixed above the positioning sleeve and positioned at the top end of the bearing frame; the left end and the right end of the positioning sleeve are connected with the obliquely-arranged pull rod seats, the left end and the right end of the bearing frame are fixedly provided with the direction driving units, and the U-shaped frames are symmetrically and fixedly arranged at the top end of the bearing frame above the positioning sleeve.

Description

Material piles up former fast based on 3D prints

Technical Field

The invention relates to the field of 3D printing, in particular to a rapid material stacking and forming device based on 3D printing.

Background

One of the 3D printing, i.e. rapid prototyping, is also called additive manufacturing, which is a technology for constructing an object by layer-by-layer printing using an adhesive material such as powdered metal or plastic based on a digital model file, and 3D printing is generally implemented by a digital technical material printer, and is commonly used to manufacture models in the fields of mold manufacturing, industrial design, etc., and is then gradually used for direct manufacturing of some products.

The rapid stacking forming device for the materials based on 3D printing realizes X, Y of the printing seat and three-dimensional movement of a Z axis based on a three-axis framework, the moving mode occupies a matching assembly of a mainstream 3D printing device for a long time, but the three-axis framework has the problems of large space occupation, high manufacturing cost, general precision and the like in the overall use effect, and based on the above expression, a novel rapid stacking forming device is urgently needed to improve the trouble of the prior 3D printing device in use.

Disclosure of Invention

The invention aims to provide a rapid material stacking and forming device based on 3D printing to solve the technical problem.

In order to solve the technical problems, the invention adopts the following technical scheme: molding equipment is piled up fast to material based on 3D prints, including bearing frame and moving mechanism, its characterized in that: a moving mechanism is arranged in the bearing frame and comprises a positioning sleeve, the positioning sleeve is arranged in the bearing frame, and a printing assembly is fixedly sleeved in the positioning sleeve; an overhead pull rod seat is fixed at the top end of the positioning sleeve, and a lifting driving unit is fixed at the top end of the bearing frame above the positioning sleeve; the left end and the right end of the positioning sleeve are connected with obliquely-arranged pull rod seats, direction driving units are fixed at the left end and the right end of the bearing frame, U-shaped frames are symmetrically fixed at the top end of the bearing frame above the positioning sleeve, and the rack roller is rotationally connected to the U-shaped frames.

Preferably, a synchronous belt is arranged between the lifting driving unit and the overhead pull rod seat, one end of the synchronous belt is sleeved at the overhead pull rod seat, and the other end of the synchronous belt is wound on the surface of a gear driven by the lifting driving unit; a synchronous belt is arranged between the inclined pull rod seat and the direction driving unit from the U-shaped frame, one end of the synchronous belt is sleeved at the inclined pull rod seat, the synchronous belt is wound on the surface of the rack roller, and the other end of the synchronous belt is wound on the surface of a gear driven by the direction driving unit; and winding devices are respectively arranged on one sides of the lifting driving unit and the direction driving unit, and the three synchronous belts are respectively inserted into the corresponding winding devices.

Preferably, the printing assembly comprises a printing host, a protruding track, a material pipe, a clamping slider, a pipe connector and a conical spray pipe, the printing host is embedded into the positioning sleeve, the protruding track is arranged at the bottom end of the printing host, a hole site penetrates through the middle position of the protruding track, the material pipe penetrates through the hole site, and one end of the material pipe is connected with the printing host; the clamping slide block is arranged at the bottom side of the protruding track and is connected to the protruding track in a sliding mode; the pipe clamping device comprises a clamping slide block and a pipe connecting head, wherein the bottom end of the clamping slide block is connected with the pipe connecting head, the other end of a material pipe is connected to the pipe connecting head, the bottom end of the pipe connecting head is connected with a conical spray pipe, the material pipe, the pipe connecting head and the conical spray pipe are communicated through a cavity, and a rotating assembly is arranged below the conical spray pipe.

Preferably, a slot position is arranged at the wall body at the bottom side of the positioning sleeve, and the protruding track extends into the slot position arranged at the positioning sleeve.

Preferably, the rotating assembly comprises a gear disc, a rod fixing seat, a bearing disc, a driving motor and a suction structure, the suction structure is fixed to the top end of a supporting seat arranged at the bearing frame, the rod fixing seat is fixed to the inner side of the suction structure at the position of the circle center, the gear disc is arranged above the rod fixing seat, a mandrel is sleeved at the circle center of the gear disc, and the mandrel is inserted into a bearing in the rod fixing seat; a driving motor is fixed on one side of the gear disc in the suction structure, and a transmission gear at the driving motor is meshed and connected to the gear disc; and a bearing disc is fixed above the gear disc, and the circle center of the bearing disc and the circle center of the gear disc are overlapped.

Preferably, bear the dish and include glass board, magnetic sheet and plastic slab, the gear dish top is fixed with the plastic slab, and the plastic slab top is laminated with the magnetic sheet, and the laminating of magnetic sheet top has the glass board, and the glass board is the magnetic attraction form to toper spray tube department.

Preferably, the suction structure comprises an annular air disc, a base and a suction pipe joint, the top end of the support seat is arranged at the position where the base is fixed on the bearing frame, the annular air disc is arranged at the port of the top end of the base, and the annular edge of the annular air disc is connected with the edge of the port of the base; and a suction pipe joint penetrates through the side wall of the base.

Preferably, the annular wind plate surface has a plurality of bar gaps with the equal partition of annular distribution form, the border is the low level state in comparison in the border outside in the annular wind plate.

The invention has the beneficial effects that:

1. the positioning sleeve is driven to move in the vertical direction and the left-right direction through the group of lifting driving units and the two groups of direction driving units, kinetic energy is transmitted through the synchronous belt in the moving mode, the printing point position can be accurately moved under the mutual coordination of the lifting driving units and the two groups of direction driving units, and compared with a traditional three-axis moving mechanism, the three-axis moving mechanism has the advantages of small space occupation, high moving precision, low manufacturing cost and the like, and has excellent use and popularization values for a three-axis moving assembly occupying the mainstream moving mechanism for a long time.

2. In order to avoid the problem of printing deflection caused by the inertia effect of the positioning sleeve in the position movement of the moving mechanism, the clamping slide block is connected to the protruding track in a sliding manner to keep the pipe connector and the conical spray pipe connected with the bottom end of the pipe connector in a vertical state, and in the vertical state, the vertical state is further reinforced based on the magnetic attraction of the bearing disc and the conical spray pipe, so that when the moving mechanism deflects in a small amplitude, the printing position of the conical spray pipe is kept by the self-adaptive deflection angle of the clamping slide block, the printing precision can be greatly improved, and the fineness of a product after molding is further ensured.

Drawings

FIG. 1 is a schematic structural diagram of a material rapid stacking and forming device based on 3D printing according to the present invention;

FIG. 2 is a schematic structural diagram of a moving mechanism according to the present invention;

FIG. 3 is a schematic view of a steering mechanism in the moving mechanism of the present invention;

FIG. 4 is a schematic view of a split structure of the printing assembly of the present invention;

FIG. 5 is a schematic view of a split structure of the rotary assembly of the present invention;

FIG. 6 is a schematic view of an internal suction structure of the rotary unit of the present invention;

FIG. 7 is a schematic view of a composite structure of a carrier tray in a rotary assembly of the present invention;

reference numerals: 1. a load-bearing frame; 2. a printing assembly; 3. a rotating assembly; 4. a moving mechanism; 21. a printing host; 22. a projected track; 23. a material pipe; 24. clamping the sliding block; 25. a pipe connector; 26. a conical nozzle; 31. a gear plate; 32. a lever fixing base; 33. a carrier tray; 34. a drive motor; 35. a suction structure; 331. a glass plate; 332. a magnetic plate; 333. a plastic panel; 351. an annular wind disk; 352. a base; 353. a suction pipe joint; 41. a pull-up drive unit; 42. a rack roller; 43. a positioning sleeve; 44. a diagonal draw bar seat; 45. a direction driving unit; 46. a U-shaped frame; 47. a pull rod seat is arranged at the top.

Detailed Description

In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easily understood, the invention is further described below with reference to the specific embodiments and the attached drawings, but the following embodiments are only the preferred embodiments of the invention, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention.

Specific embodiments of the present invention are described below with reference to the accompanying drawings.

Example 1

As shown in fig. 1-3, the material rapid stacking and forming apparatus based on 3D printing includes a bearing frame 1 and a moving mechanism 4, wherein the moving mechanism 4 is disposed in the bearing frame 1, the moving mechanism 4 includes a positioning sleeve 43, the bearing frame 1 is disposed with the positioning sleeve 43, and the printing assembly 2 is sleeved and fixed in the positioning sleeve 43; an overhead pull rod seat 47 is fixed at the top end of the positioning sleeve 43, and a lifting driving unit 41 is fixed above the positioning sleeve 43 and positioned at the top end of the bearing frame 1; the left end and the right end of the positioning sleeve 43 are connected with an inclined pull rod seat 44, the left end and the right end of the bearing frame 1 are fixed with a direction driving unit 45, U-shaped frames 46 are symmetrically fixed at the top end of the bearing frame 1 above the positioning sleeve 43, and the rack roller 42 is rotationally connected to the U-shaped frames 46; a synchronous belt is arranged between the lifting driving unit 41 and the overhead pull rod seat 47, one end of the synchronous belt is sleeved at the overhead pull rod seat 47, and the other end of the synchronous belt is wound on the surface of a gear driven by the lifting driving unit 41; a synchronous belt is arranged between the inclined pull rod seat 44 and the direction driving unit 45 and between the U-shaped frame 46, one end of the synchronous belt is sleeved at the inclined pull rod seat 44, the synchronous belt is wound on the surface of the rack roller 42, and the other end of the synchronous belt is wound on the surface of a gear driven by the direction driving unit 45; the winding devices are respectively installed on one sides of the lifting driving unit 41 and the direction driving unit 45, and the three synchronous belts are respectively inserted into the corresponding winding devices.

In this embodiment, the positioning sleeve 43 is driven to move in the vertical direction and the horizontal direction by the lifting driving unit 41 and the two sets of direction driving units 45, and this moving manner transmits kinetic energy through the synchronous belt, so that the printing point position can be accurately moved under the coordination of the lifting driving unit 41 and the two sets of direction driving units 45.

In this embodiment, moving mechanism 4 has that the space occupies for a short time compared in traditional triaxial moving mechanism, and the cost is low and the use advantage that the removal precision is high, and this kind of advantage can be optimized the printing mode to avoid because of the triaxial removes the not good enough of precision, the coarse problem of product shaping that leads to.

Example 2

As shown in fig. 1-7, in the 3D printing-based material rapid stacking and forming apparatus, the printing assembly 2 includes a printing host 21, a protruding rail 22, a material pipe 23, a clamping slider 24, a pipe connector 25 and a tapered nozzle 26, the printing host 21 is embedded into a positioning sleeve 43, the protruding rail 22 is disposed at the bottom end of the printing host 21, a hole is formed in the middle of the protruding rail 22, the material pipe 23 is inserted into the hole, and one end of the material pipe 23 is connected to the printing host 21; the bottom side of the projecting track 22 is provided with a clamping slide block 24, and the clamping slide block 24 is connected to the projecting track 22 in a sliding manner; the bottom end of the clamping slide block 24 is connected with a pipe connector 25, the other end of the pipe 23 is connected to the pipe connector 25, the bottom end of the pipe connector 25 is connected with a conical spray pipe 26, the pipe 23, the pipe connector 25 to the conical spray pipe 26 are in a cavity communication shape, a rotating assembly 3 is arranged below the conical spray pipe 26, a bearing disc 33 in the rotating assembly 3 comprises a glass plate 331, a magnetic plate 332 and a plastic plate 333, the plastic plate 333 is fixed above the gear disc 31, the magnetic plate 332 is attached above the plastic plate 333, the glass plate 331 is attached above the magnetic plate 332, and the glass plate 331 to the conical spray pipe 26 is in a magnetic attraction shape.

In this embodiment, in order to avoid the deflection phenomenon of the printing assembly 2 caused by the movement of the moving mechanism 4 in the position, the clamping slider 24 is slidably connected to the protruding rail 22 to maintain the pipe connector 25 and the tapered nozzle 26 connected to the bottom end thereof, so as to maintain the vertical state, and in the vertical state, the vertical state is further reinforced based on the magnetic attraction between the bearing disc 33 and the tapered nozzle 26, so that when the moving mechanism 4 is deflected to a small extent, the clamping slider 24 is adaptive to the deflection angle to maintain the printing position of the tapered nozzle 26, and this arrangement can greatly improve the printing accuracy, thereby ensuring the degree of the product after being formed.

Example 3

As shown in fig. 1-7, in the 3D printing-based material rapid stacking and forming apparatus, the rotating assembly 3 includes a gear plate 31, a rod fixing seat 32, a bearing plate 33, a driving motor 34, and a suction structure 35, the suction structure 35 is fixed to the top end of a supporting seat disposed at the bearing frame 1, the rod fixing seat 32 is fixed at the position of the center of circle at the inner side of the suction structure 35, the gear plate 31 is disposed above the rod fixing seat 32, a core shaft is sleeved at the center of circle of the gear plate 31, and the core shaft is inserted into a bearing in the rod fixing seat 32; a driving motor 34 is fixed on one side of the gear disc 31 in the suction structure 35, and a transmission gear at the driving motor 34 is meshed and connected to the gear disc 31; a bearing disc 33 is fixed above the gear disc 31, and the circle center of the bearing disc 33 is overlapped with the circle center of the gear disc 31; the suction structure 35 comprises an annular wind disk 351, a base 352 and a suction pipe joint 353, the top end of a support seat is arranged at the position where the base 352 is fixed on the bearing frame 1, the annular wind disk 351 is arranged at the port position of the top end of the base 352, the annular edge of the annular wind disk 351 is connected with the edge of the port of the base 352, a plurality of strip-shaped gaps are equally penetrated through the surface of the annular wind disk 351 in an annular distribution shape, and the inner edge of the annular wind disk 351 is in a low-position state compared with the outer edge; a suction pipe connector 353 is penetratingly connected to a side wall of the base 352.

In this embodiment, the driving motor 34 is engaged with the gear plate 31, so that the workpiece placed on the bearing plate 33 can be rotated by the moving mechanism 4, that is, moved up and down, moved left and right, and rotated to increase the printing accuracy of the printing assembly 2, and further, the operating surface of the printing assembly 2 is improved on the premise of greatly reducing the space occupancy rate, so as to obtain a more excellent printing effect.

In this embodiment, the base 352 can be fixed in port department based on annular wind dish 351, and then when suction device pegged graft the straw to suction pipe joint 353, from a plurality of bar gap departments that annular wind dish 351 surface set up, adsorb produced peculiar smell when printing because of the hot melt in the external environment to peculiar smell gives off when avoiding printing, the poor problem of printing environment that leads to.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Quick pile forming device of material based on 3D prints, including bearing frame (1) and moving mechanism (4), its characterized in that: a moving mechanism (4) is arranged in the bearing frame (1), the moving mechanism (4) comprises a positioning sleeve (43), the bearing frame (1) is internally provided with the positioning sleeve (43), and the printing assembly (2) is fixedly sleeved in the positioning sleeve (43); an overhead pull rod seat (47) is fixed at the top end of the positioning sleeve (43), and a lifting driving unit (41) is fixed above the positioning sleeve (43) and positioned at the top end of the bearing frame (1); the left end and the right end of the positioning sleeve (43) are connected with an obliquely-arranged pull rod seat (44), the left end and the right end of the bearing frame (1) are fixed with a direction driving unit (45), a U-shaped frame (46) is symmetrically fixed to the top end of the bearing frame (1) above the positioning sleeve (43), and the rack roller (42) is rotationally connected to the U-shaped frame (46).

2. The 3D printing-based material rapid stack molding apparatus according to claim 1, wherein: a synchronous belt is arranged between the lifting driving unit (41) and the overhead pull rod seat (47), one end of the synchronous belt is sleeved at the overhead pull rod seat (47), and the other end of the synchronous belt is wound on the surface of a gear driven by the lifting driving unit (41); a synchronous belt is arranged between the inclined pull rod seat (44) and the U-shaped frame (46) and the direction driving unit (45), one end of the synchronous belt is sleeved at the inclined pull rod seat (44), the synchronous belt is wound on the surface of the rack roller (42), and the other end of the synchronous belt is wound on the surface of a gear driven by the direction driving unit (45); and winding devices are respectively arranged on one sides of the lifting driving unit (41) and one side of the direction driving unit (45), and the three synchronous belts are respectively inserted into the corresponding winding devices.

3. The 3D printing-based material rapid stack molding apparatus according to claim 1, wherein: the printing assembly (2) comprises a printing host (21), a protruding track (22), a material pipe (23), a clamping slide block (24), a pipe connector (25) and a conical spray pipe (26), the printing host (21) is embedded into a positioning sleeve (43), the protruding track (22) is arranged at the bottom end of the printing host (21), a hole site penetrates through the middle position of the protruding track (22), the material pipe (23) penetrates through the hole site, and one end of the material pipe (23) is connected with the printing host (21); the clamping slide block (24) is arranged at the bottom side of the protruding track (22), and the clamping slide block (24) is connected to the protruding track (22) in a sliding mode; centre gripping slider (24) bottom is connected with union coupling head (25), the other end of material pipe (23) is connected to union coupling head (25) department, union coupling head (25) bottom is connected with toper spray tube (26), material pipe (23), union coupling head (25) communicate with each other for the cavity to toper spray tube (26) form, toper spray tube (26) below is provided with rotating assembly (3).

4. The 3D printing-based material rapid stacking and forming device according to claim 3, wherein: a groove position is arranged at the bottom side wall body of the positioning sleeve (43), and the protruding track (22) extends into the groove position arranged at the positioning sleeve (43).

5. The 3D printing-based material rapid stacking and forming device according to claim 3, wherein: the rotary component (3) comprises a gear disc (31), a rod fixing seat (32), a bearing disc (33), a driving motor (34) and a suction and discharge structure (35), wherein the suction and discharge structure (35) is fixed to the top end of a supporting seat arranged at the bearing frame (1), the rod fixing seat (32) is fixed at the position of the circle center of the inner side of the suction and discharge structure (35), the gear disc (31) is arranged above the rod fixing seat (32), a core shaft is sleeved at the position of the circle center of the gear disc (31), and the core shaft is inserted into an inner bearing of the rod fixing seat (32); a driving motor (34) is fixed on one side of the gear disc (31) in the suction structure (35), and a transmission gear at the driving motor (34) is meshed and connected to the gear disc (31); a bearing disc (33) is fixed above the gear disc (31), and the circle center of the bearing disc (33) is overlapped with the circle center of the gear disc (31).

6. The 3D printing-based material rapid stacking and forming device according to claim 5, wherein: bear dish (33) including glass board (331), magnetic plate (332) and plastic slab (333), gear dish (31) top is fixed with plastic slab (333), and plastic slab (333) top laminating has magnetic plate (332), and laminating has glass board (331) magnetic plate (332) top, and glass board (331) are the magnetic attraction form to toper spray tube (26) department.

7. The 3D printing-based material rapid stacking and forming device according to claim 5, wherein: the suction and exhaust structure (35) comprises an annular air disc (351), a base (352) and a suction pipe connector (353), the base (352) is fixed on the bearing frame (1) and is provided with the top end of a supporting seat, the annular air disc (351) is arranged at the port of the top end of the base (352), and the annular edge of the annular air disc (351) is connected with the port edge of the base (352); a suction pipe joint (353) penetrates through the side wall of the base (352).

8. The 3D printing-based material rapid stack molding apparatus according to claim 7, wherein: annular wind dish (351) surface has a plurality of bar gaps with the equal partition of annular distribution form, annular wind dish (351) inner edge is the low level state than outer border.