CN112590209B

CN112590209B - Material stacks former fast based on 3D prints

Info

Publication number: CN112590209B
Application number: CN202011339877.5A
Authority: CN
Inventors: 朱献涛; 彭志源
Original assignee: Shenzhen Xinhengchang Technology Co ltd
Current assignee: Shenzhen Xinhengchang Technology Co ltd
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2023-09-29
Anticipated expiration: 2040-11-25
Also published as: CN112590209A

Abstract

The invention provides a rapid material 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, the bearing frame is internally provided with a positioning sleeve, and a printing assembly is sleeved and fixed in the positioning sleeve; the top end of the positioning sleeve is fixedly provided with a top-mounted pull rod seat, 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 locating sleeve are connected with oblique pull rod seats, the left end and the right end of the bearing frame are fixedly provided with direction driving units, the upper part of the locating sleeve is symmetrically fixed with a U-shaped frame at the top end of the bearing frame, and the locating sleeve has the advantages of small space occupation, high moving precision, low manufacturing cost and the like, and has excellent use and popularization value for the triaxial moving assembly which occupies the main flow moving mechanism for a long time.

Description

Material stacks 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

3D printing, a type of rapid prototyping technology, also known as additive manufacturing, is a technology that builds objects by means of layer-by-layer printing using bondable materials such as powdered metal or plastic based on digital model files, 3D printing is usually implemented using digital technology material printers, often used in the fields of mould manufacturing, industrial design, etc. to manufacture models, and later gradually used in the direct manufacture of some products, and there are parts printed using this technology, which has been applied in jewelry, footwear, industrial design, construction, engineering and construction (AEC), automotive, aerospace, dental and medical industries, education, geographical information systems, civil engineering, firearms, and other fields.

The three-way movement of X, Y and Z axle of printing seat is realized to quick stacking former based on the material of 3D printing based on triaxial framework, and this kind of moving method is taken up the supporting subassembly of mainstream 3D printer for a long time, but the three-axis framework has the circumstances such as the space occupation is big, and the cost is high, and the precision is general in longitudinal overall result of use, just based on above expression, the puzzlement that novel quick stacking former was used in current 3D printing equipment is improved to urgent need.

Disclosure of Invention

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

The invention aims to solve the technical problems, and is realized by adopting the following technical scheme: quick material stacking and forming equipment 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 bearing frame is internally provided with the positioning sleeve, and a printing assembly is sleeved and fixed in the positioning sleeve; the top end of the positioning sleeve is fixedly provided with a top-mounted pull rod seat, 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 locating sleeve are connected with oblique pull rod seats, the left end and the right end of the bearing frame are fixedly provided with directional driving units, U-shaped frames are symmetrically fixed above the locating sleeve and positioned at the top end of the bearing frame, and the rack roller rotates and is 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; the oblique pull rod seat and the U-shaped frame are provided with a synchronous belt from the direction driving unit, one end of the synchronous belt is sleeved at the oblique pull rod seat, the synchronous belt is connected to the surface of the rack roller in a winding manner, and the other end of the synchronous belt is connected to the surface of a gear driven by the direction driving unit in a winding manner; and one sides of the lifting driving unit and the direction driving unit are respectively provided with a winding device, and 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 sliding block, a pipe connector and a conical spray pipe, wherein 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 is inserted in the hole site, and one end of the material pipe is connected with the printing host; the bottom side of the protruding track is provided with a clamping sliding block which is connected to the protruding track in a sliding manner; the clamping slider bottom is connected with the pipe connection head, the other end of material pipe is connected to pipe connection head department, pipe connection head bottom is connected with the toper spray tube, material pipe, pipe connection head are the cavity and communicate with each other the form to the toper spray tube, toper spray tube below is provided with rotating assembly.

Preferably, a groove is formed in the bottom side wall of the positioning sleeve, and the protruding rail extends into the positioning sleeve to form the groove.

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

Preferably, the bearing plate comprises a glass plate, a magnetic plate and a plastic plate, wherein the plastic plate is fixed above the gear plate, the magnetic plate is attached to the upper side of the plastic plate, the glass plate is attached to the upper side of the magnetic plate, and the glass plate is in a magnetic attraction shape to the conical spray pipe.

Preferably, the suction and exhaust structure comprises an annular air disc, a base and a suction pipe connector, wherein the base is fixed at the bearing frame and provided with a supporting seat top end, an annular air disc is arranged at the top end port of the base, and the annular edge of the annular air disc is connected with the port edge of the base; and the side wall of the base is connected with a suction pipe joint in a penetrating way.

Preferably, the surface of the annular wind disc is uniformly distributed in an annular shape and is penetrated with a plurality of strip-shaped gaps, and the inner edge of the annular wind disc is in a low-level state compared with the outer edge.

The beneficial effects of the invention are as follows:

1. according to the invention, the positioning sleeve is driven to move in the up-down direction and the left-right direction through the set of lifting driving units and the two sets of direction driving units, kinetic energy is transmitted through the synchronous belt in the moving mode, and printing points can be precisely moved in the position under the mutual coordination of the lifting driving units and the two sets of direction driving units.

2. In order to avoid the problem of printing deflection caused by inertia action of the positioning sleeve in the position movement of the moving mechanism, the invention keeps the pipe connector and the conical spray pipe connected with the bottom end of the pipe connector in a vertical state based on the sliding connection of the clamping slide block to the protruding track, and further strengthens the vertical state based on the magnetic attraction of the bearing disc and the conical spray pipe in the vertical state, so that when the moving mechanism deflects slightly, the printing position of the conical spray pipe is kept by the self-adaptive deflection angle of the clamping slide block.

Drawings

FIG. 1 is a schematic diagram of a rapid material stacking and forming device based on 3D printing;

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

FIG. 3 is a schematic view of a steering mechanism in a mobile mechanism according to the present invention;

FIG. 4 is a schematic diagram of a split structure of a printing assembly according to the present invention;

FIG. 5 is a schematic view of a split structure of a rotating assembly according to the present invention;

FIG. 6 is a schematic view of a suction and exhaust structure of a rotating assembly according to the present invention;

FIG. 7 is a schematic view of a composite structure of a carrier plate in a rotating assembly according to the present invention;

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

Detailed Description

In order that the manner in which the above recited features, objects and advantages of the present invention are obtained, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the 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 rapid material stacking and forming device based on 3D printing comprises a bearing frame 1 and a moving mechanism 4, wherein the 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 a printing assembly 2 is sleeved and fixed in the positioning sleeve 43; the top end of the positioning sleeve 43 is fixed with a top-mounted pull rod seat 47, 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 and right ends of the locating sleeve 43 are connected with oblique pull rod seats 44, the left and right ends of the bearing frame 1 are fixed with direction driving units 45, U-shaped frames 46 are symmetrically fixed above the locating sleeve 43 and positioned at the top end of the bearing frame 1, and the rack roller 42 is rotatably 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 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 at the direction driving unit 45; one side of the lifting driving unit 41 and one side of the direction driving unit 45 are respectively provided with a winding device, and three synchronous belts are respectively inserted into the corresponding winding devices.

In this embodiment, the positioning sleeve 43 is driven to move in the up-down direction and the left-right direction by the lifting driving unit 41 and the two sets of direction driving units 45, and in this moving mode, kinetic energy is transmitted by the synchronous belt, so that the printing point can be precisely moved under the mutual coordination of the lifting driving unit 41 and the two sets of direction driving units 45.

In this embodiment, the moving mechanism 4 has the advantages of small space occupation, low cost and high moving precision compared with the conventional three-axis moving mechanism, and the printing mode can be optimized to avoid the problem of rough product formation caused by poor three-axis moving precision.

Example 2

As shown in fig. 1-7, a rapid stacking and forming device for materials based on 3D printing is provided, a printing assembly 2 comprises a printing host 21, a protruding track 22, a material pipe 23, a clamping sliding block 24, a pipe connector 25 and a conical spray pipe 26, wherein 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 is inserted into the hole site, and one end of the material pipe 23 is connected with the printing host 21; the bottom side of the protruding track 22 is provided with a clamping slide block 24, and the clamping slide block 24 is connected to the protruding track 22 in a sliding manner; the clamping slider 24 bottom is connected with the 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 the toper spray tube 26, material pipe 23, union coupling head 25 is the cavity looks intercommunication form to toper spray tube 26, toper spray tube 26 below is provided with rotating assembly 3, wherein the interior loading tray 33 of rotating assembly 3 includes glass plate 331, magnetic plate 332 and plastic plate 333, gear disc 31 top is fixed with plastic plate 333, laminating of plastic plate 333 top has magnetic plate 332, laminating of magnetic plate 332 top has glass plate 331, glass plate 331 is the magnetism attraction form to toper spray tube 26 department.

In this embodiment, in order to avoid the deflection phenomenon of the printing component 2 caused by the movement of the moving mechanism 4 in the position, the tube connector 25 and the conical nozzle 26 connected to the bottom end thereof are kept in a vertical state based on the sliding connection of the clamping slider 24 to the protruding track 22, and in the vertical state, the vertical state is further reinforced based on the magnetic attraction of the bearing disc 33 and the conical nozzle 26, so that when the moving mechanism 4 deflects slightly, the printing position of the conical nozzle 26 is kept by the self-adapting deflection angle of the clamping slider 24, and the setting can greatly improve the printing accuracy, thereby guaranteeing the fineness of the product after molding.

Example 3

As shown in fig. 1-7, the rapid stacking and forming device for materials based on 3D printing comprises a rotating assembly 3, a rotating assembly and a printing mechanism, wherein the rotating assembly 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, 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 center of a circle on the inner side of the suction and discharge structure 35, the gear disc 31 is arranged above the rod fixing seat 32, a mandrel is sleeved at the center of the gear disc 31, and the mandrel is inserted into a bearing in the rod fixing seat 32; one side of the gear plate 31 is fixed with a driving motor 34 in the suction and discharge structure 35, and a transmission gear at the driving motor 34 is meshed with the gear plate 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 and exhaust structure 35 comprises an annular wind disc 351, a base 352 and a suction pipe joint 353, the base 352 is fixed at the bearing frame 1 and is provided with a supporting seat top, the top end port of the base 352 is provided with the annular wind disc 351, the annular edge of the annular wind disc 351 is connected with the port edge of the base 352, a plurality of strip-shaped gaps are evenly distributed on the surface of the annular wind disc 351 in an annular distribution mode, and the inner edge of the annular wind disc 351 is in a lower state compared with the outer edge; a suction pipe joint 353 is connected to the sidewall of the base 352.

In this embodiment, the driving motor 34 is engaged with the gear disc 31, so that the workpiece placed on the carrier disc 33 can be rotated in cooperation with the moving mechanism 4, i.e. moved up and down, moved left and right, and rotated to enlarge the printing accuracy of the printing assembly 2, so that the operation surface of the printing assembly 2 is improved on the premise of greatly reducing the space occupation rate, so as to obtain more excellent printing effect.

In this embodiment, the base 352 may be fixed at the port based on the annular air disc 351, and when the suction device inserts the suction pipe into the suction pipe connector 353, the plurality of strip-shaped slits formed on the surface of the annular air disc 351 adsorb the odor generated during the hot melt printing in the external environment, so as to avoid the odor emission during the printing, which results in poor printing environment.

In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The foregoing has shown and described the basic principles, principal 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 above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present invention, and are not intended to limit the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Material piles up former fast 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 positioning sleeve (43) is arranged in the bearing frame (1), and the printing component (2) is sleeved and fixed in the positioning sleeve (43); a top-mounted 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 inclined pull rod seats (44), the left end and the right end of the bearing frame (1) are fixedly provided with direction driving units (45), U-shaped frames (46) are symmetrically fixed above the positioning sleeve (43) and positioned at the top end of the bearing frame (1), and the rack roller (42) is rotatably 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 at 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); one side of each of the lifting driving unit (41) and the direction driving unit (45) is provided with a winding device, and three synchronous belts are inserted into the corresponding winding devices;

the printing assembly (2) comprises a printing host machine (21), a protruding track (22), a material pipe (23), a clamping sliding block (24), a pipe connector (25) and a conical spray pipe (26), wherein the printing host machine (21) is embedded into a positioning sleeve (43), the protruding track (22) is arranged at the bottom end of the printing host machine (21), a hole site penetrates through the middle position of the protruding track (22), the material pipe (23) is inserted into the hole site, and one end of the material pipe (23) is connected with the printing host machine (21); the bottom side of the protruding track (22) is provided with a clamping slide block (24), and the clamping slide block (24) is connected to the protruding track (22) in a sliding manner; the clamping slider (24) bottom is connected with pipe connection head (25), the other end of material pipe (23) is connected to pipe connection head (25) department, pipe connection head (25) bottom is connected with toper spray tube (26), material pipe (23), pipe connection head (25) are cavity looks phase intercommunication form to toper spray tube (26), toper spray tube (26) below is provided with rotating assembly (3).

2. The rapid stack molding apparatus of 3D printing-based materials of claim 1, wherein: the bottom side wall body of the locating sleeve (43) is provided with a groove, and the protruding track (22) stretches into the groove formed in the locating sleeve (43).

3. The rapid stack molding apparatus of 3D printing-based materials of claim 1, wherein: the rotating assembly (3) comprises a gear disc (31), a rod fixing seat (32), a bearing disc (33), a driving motor (34) and a suction and exhaust structure (35), wherein the suction and exhaust 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 on the inner side of the suction and exhaust structure (35), the gear disc (31) is arranged above the rod fixing seat (32), a mandrel is sleeved at the position of the circle center of the gear disc (31), and the mandrel is inserted into an inner bearing of the rod fixing seat (32); one side of the gear disc (31) is fixed with a driving motor (34) in the suction and discharge 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).

4. A rapid stack of 3D printing based material forming apparatus according to claim 3, wherein: the bearing plate (33) comprises a glass plate (331), a magnetic plate (332) and a plastic plate (333), wherein the plastic plate (333) is fixed above the gear plate (31), the magnetic plate (332) is attached to the upper side of the plastic plate (333), the glass plate (331) is attached to the upper side of the magnetic plate (332), and the glass plate (331) is in a magnetic attraction shape to the conical spray pipe (26).

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

6. The rapid stack molding apparatus of 3D printing based materials of claim 5, wherein: the surface of the annular air disc (351) is uniformly distributed in an annular mode to penetrate through a plurality of strip-shaped gaps, and the inner edge of the annular air disc (351) is in a low-level state compared with the outer edge.