CN110815820A

CN110815820A - Supporting mechanism for 3D printer

Info

Publication number: CN110815820A
Application number: CN201911093291.2A
Authority: CN
Inventors: 干任重; 干渊
Original assignee: Huanggang Chongyuan Jianju Agricultural Technology Co Ltd
Current assignee: Huanggang Chongyuan Jianju Agricultural Technology Co Ltd
Priority date: 2019-11-11
Filing date: 2019-11-11
Publication date: 2020-02-21

Abstract

The invention discloses a supporting mechanism for a 3D printer, which comprises a shell, wherein a triangular bottom plate is movably sleeved in the shell, the triangles on the top surface of the triangular bottom plate are fixedly inserted with a lifting mechanism, one side of the lifting mechanism close to the center of the triangular bottom plate is movably connected with a linkage mechanism, the three linkage mechanisms are movably connected with a bearing platform, and a printing nozzle is fixedly inserted at the center of the bearing platform. This supporting mechanism for 3D printer has realized the position lifting of plummer level through elevating system, and through being three step motor's control effect, has realized the position dislocation between the three link gear, has realized the skew adjustment of plummer position in the horizontal plane through link gear, and has realized the plummer about the adjustment of horizontal plane orientation, and the position orientation of convenient control printing nozzle. The invention relates to the field of 3D printing equipment. This has solved the inconvenient problem of current 3D printing apparatus supporting mechanism position adjustment.

Description

Supporting mechanism for 3D printer

Technical Field

The invention relates to the field of 3D printing equipment, in particular to a supporting mechanism for a 3D printer.

Background

3D printing is used as a rapid forming technology, and a digital model file is used as a guide rule to print powder metal particles or plastic cement bonding materials layer by layer to form a 3D stereoscopic part. The product of the 3D printing technology is simple and visual, and the expected structure in the model drawing can be effectively embodied. The product utilizing the 3D printing technology can effectively avoid various problems existing in structural appearance design, so that the design scheme is more reasonable. With the continuous evolution and development of 3D technology, the 3D printing gradually shows the vigorous vitality and the wide development prospect in the industries of clothing, industry, building, aerospace, medical treatment and education.

At present, due to the feature of layer-by-layer printing of 3D printing technology, the printing nozzle needs to move in a three-dimensional space. The equipment shell can ensure the reliability of movement and position adjustment of the printing nozzle while bearing the printing nozzle, which brings certain difficulty to the design of the supporting mechanism.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a supporting mechanism for a 3D printer, which solves the problem that the position of the supporting mechanism of the existing 3D printing equipment is inconvenient to adjust.

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a supporting mechanism for 3D printer, includes the casing, the triangle bottom plate has been cup jointed to the activity in the casing, the triangle of triangle bottom plate top surface all is fixed to be pegged graft and has been had elevating system, elevating system is close to one side swing joint at triangle bottom plate center has link gear, and is three link gear all with plummer swing joint, the center department of plummer is fixed to be pegged graft and is printed the nozzle, it runs through to print the nozzle the plummer and extend to its below.

Preferably, the shell is a triangular prism, and the side length of the shell is 2 times of that of the triangular bottom plate.

Preferably, elevating system includes the support column, the support column welding is rather than the homonymy the one corner of triangle bottom plate top surface, the top welding of support column has the roof, bolt fixedly connected with step motor is passed through to the top surface of roof, step motor's output runs through the top of roof and extends to its below, step motor's the fixed cover of output has been connect the cover, the fixed cover in bottom side of linking the cover inner wall has been connected the lead screw, bearing swing joint is passed through in the bottom of lead screw the top surface of triangle bottom plate.

The surface of the supporting column is movably sleeved with a control loop, the screw rod is in threaded connection with the control loop on the same side of the screw rod, and the control loop is movably connected with the linkage mechanism on the same side of the screw rod.

Preferably, the side of the support column opposite to the triangular bottom plate is welded with a track rod, and the length of the track rod is smaller than the distance from the bottom end of the connecting sleeve to the top surface of the triangular bottom plate.

Preferably, the screw rod is perpendicular to the triangular bottom plate, and the screw rod is parallel to the supporting column.

Preferably, the link gear includes the transfer line, the control loop is close to the bottom surface fixedly connected with of triangle bottom plate central line one side links up the axle, link up the axle with the one end swing joint of transfer line, the fixed cover of the one end of linking up the axle has cup jointed limit nut, limit nut's top surface with the one end activity overlap joint of transfer line, the other end of transfer line articulates through the universal driving shaft has the linkage arm, the linkage arm deviates from the one end activity of universal driving shaft has cup jointed the connecting axle, the connecting axle is fixed to be pegged graft one side of plummer.

Preferably, one side of the inner wall of the control loop is provided with a track groove matched with the track rod, and the track rod is movably sleeved in the track groove.

Preferably, the length of the transmission rod and the linkage arm is 0.8 time longer than the side length of the triangular bottom plate.

Advantageous effects

The invention provides a supporting mechanism for a 3D printer. Compared with the prior art, the method has the following beneficial effects:

(1) this supporting mechanism for 3D printer has realized the position lifting of plummer level through elevating system, and through being three step motor's control effect, has realized the position dislocation between the three link gear, has realized the position adjustment to the plummer.

(2) This supporting mechanism for 3D printer has realized the skew adjustment of plummer position in the horizontal plane through link gear, and has realized the plummer about the adjustment of horizontal plane orientation, and the position orientation of convenient control printing nozzle.

(3) This supporting mechanism for 3D printer has made things convenient for the position control and the adjustment to the printing nozzle when effectively bearing weight of plummer and printing nozzle, the simple operation, and simple structure, the effectual characteristic of having laminated the inside nozzle position removal of 3D printer.

Drawings

FIG. 1 is a front cross-sectional view of the structure of the present invention;

FIG. 2 is a top view of the structure of the present invention;

figure 3 is a side view of the structural transfer bar of the present invention.

In the figure: 1. a housing; 2. a triangular bottom plate; 3. a lifting mechanism; 301. a support pillar; 302. a top plate; 303. a stepping motor; 304. a connecting sleeve; 305. a screw rod; 306. controlling the loop; 4. a linkage mechanism; 401. a transmission rod; 402. a connecting shaft; 403. a limit nut; 404. a linkage shaft; 405. a linkage arm; 406. a connecting shaft; 5. a bearing table; 6. and a print nozzle.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, a supporting mechanism for a 3D printer includes a housing 1, a triangular bottom plate 2 is movably sleeved in the housing 1, the triangles on the top surface of the triangular bottom plate 2 are all fixedly inserted with a lifting mechanism 3, one side of the lifting mechanism 3 near the center of the triangular bottom plate 2 is movably connected with a linkage mechanism 4, the three linkage mechanisms 4 are all movably connected with a bearing table 5, a printing nozzle 6 is fixedly inserted at the center of the bearing table 5, and the printing nozzle 6 penetrates through the bearing table 5 and extends to the lower side thereof.

In the invention, the shell 1 is a triangular prism, and the side length of the shell 1 is 2 times of that of the triangular bottom plate 2, so that the position deviation of the transmission rod 401 is facilitated, the position deflection range of the transmission rod 401 is ensured, and the position of the printing nozzle 6 can be ensured to be in the range of the whole triangular bottom plate 2.

According to the invention, the lifting mechanism 3 comprises a supporting column 301, the supporting column 301 is welded at one corner of the top surface of the triangular bottom plate 2 on the same side of the supporting column 301, a top plate 302 is welded at the top end of the supporting column 301, the top surface of the top plate 302 is fixedly connected with a stepping motor 303 through a bolt, the types, the sizes and the sizes of the three stepping motors 303 are the same, the output end of the stepping motor 303 penetrates through the top of the top plate 302 and extends to the lower side of the top plate 302, a connecting sleeve 304 is fixedly sleeved at the output end of the stepping motor 303, a screw rod 305 is fixedly sleeved at the bottom side of the inner wall of the connecting sleeve.

The surface of the supporting column 301 is movably sleeved with a control loop 306, the screw rod 305 is in threaded connection with the control loop 306 on the same side, and the control loop 306 is movably connected with the linkage mechanism 4 on the same side.

In the invention, the track rod is welded on the side, opposite to the triangular bottom plate 2, of the supporting column 301, the length of the track rod is smaller than the distance from the bottom end of the connecting sleeve 304 to the top surface of the triangular bottom plate 2, the position movement reliability of the loop 306 is controlled by matching the track rod with the control loop 306, and the phenomenon that the gap between the control loop 306 and the supporting column 301 is too large due to too large movement amplitude of the printing nozzle 6 is avoided, so that the precision of a 3D printing product is reduced.

In the invention, the screw 305 is perpendicular to the triangular base plate 2, and the screw 305 is parallel to the supporting column 301.

According to the invention, the linkage mechanism 4 comprises a transmission rod 401, a connection shaft 402 is fixedly connected to the bottom surface of the side, close to the center line of the triangular bottom plate 2, of the control loop 306, the connection shaft 402 is movably connected with one end of the transmission rod 401, a limit nut 403 is fixedly sleeved at one end of the connection shaft 402, the position limiting effect on the transmission rod 401 is achieved through the limit nut 403, the position deflection is kept, and meanwhile, the transmission rod is prevented from falling off, the top surface of the limit nut 403 is movably overlapped with one end of the transmission rod 401, the other end of the transmission rod 401 is hinged with a linkage arm 405 through the linkage shaft 404, a connecting shaft 406 is movably sleeved at one end, away from the linkage shaft 404, of the linkage.

In the invention, one side of the inner wall of the control loop 306 is provided with a track groove matched with the track rod, and the track rod is movably sleeved in the track groove.

In the invention, the length of the transmission rod 401 and the linkage arm 405 should be larger than 0.8 time of the side length of the triangular bottom plate 2.

When the device is used, the bearing table 5 is parallel to the triangular bottom plate 2, the three stepping motors 303 run synchronously at the same speed, the output ends of the stepping motors 303 drive the screw rods 305 connected with the stepping motors to rotate, the screw rods 305 rotate to drive the control loops 306 on the surfaces of the screw rods to slide on the surfaces of the support columns 301, the bearing table 5 vertically translates due to the fact that the vertical offset of the three control loops 306 is the same, the bearing table 5 is always parallel to the triangular bottom plate 2, and the height adjustment of the printing nozzles 6 on the surfaces of the bearing table 5 is achieved;

when the three stepping motors 303 run asynchronously, the horizontal positions and heights of the three control loops 306 are different, so that the transmission rod 401 and the linkage arm 405 deflect relative to the connecting shaft 402 and the linkage shaft 404 respectively, an included angle between the transmission rod 401 and the linkage arm 405 is changed, and the position of the bearing table 5 in a horizontal plane is deviated, and meanwhile, the orientation of the bearing table 5 is changed due to the position movement of the linkage arm 405, so that the horizontal position and the orientation of the printing nozzle 6 are adjusted.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a supporting mechanism for 3D printer, includes casing (1), its characterized in that: triangle bottom plate (2) have been cup jointed to casing (1) internalization activity, the triangle of triangle bottom plate (2) top surface is all fixed to be pegged graft and is had elevating system (3), elevating system (3) are close to one side swing joint at triangle bottom plate (2) center has link gear (4), and is three link gear (4) all with plummer (5) swing joint, the center department of plummer (5) is fixed to be pegged graft and is printed nozzle (6), it runs through to print nozzle (6) plummer (5) and extend to its below.

2. The support mechanism for a 3D printer according to claim 1, characterized in that: the shell (1) is a triangular prism, and the side length of the shell (1) is 2 times of that of the triangular bottom plate (2).

3. The support mechanism for a 3D printer according to claim 1, characterized in that: the lifting mechanism (3) comprises a supporting column (301), the supporting column (301) is welded at one corner of the top surface of the triangular bottom plate (2) on the same side of the supporting column, a top plate (302) is welded at the top end of the supporting column (301), the top surface of the top plate (302) is fixedly connected with a stepping motor (303) through a bolt, the output end of the stepping motor (303) penetrates through the top of the top plate (302) and extends to the lower side of the top plate, a connecting sleeve (304) is fixedly sleeved at the output end of the stepping motor (303), a lead screw (305) is fixedly sleeved at the bottom side of the inner wall of the connecting sleeve (304), and the bottom end of the lead screw (305) is movably connected to the top surface of the triangular bottom;

the surface of the supporting column (301) is movably sleeved with a control loop (306), the screw rod (305) is in threaded connection with the control loop (306) on the same side, and the control loop (306) is movably connected with the linkage mechanism (4) on the same side.

4. The support mechanism for a 3D printer according to claim 3, characterized in that: the support column (301) and the side opposite to the triangular bottom plate (2) are welded with track rods, and the length of the track rods is smaller than the distance from the bottom end of the connecting sleeve (304) to the top surface of the triangular bottom plate (2).

5. The support mechanism for a 3D printer according to claim 3, characterized in that: the screw rod (305) is perpendicular to the triangular bottom plate (2), and the screw rod (305) is parallel to the supporting column (301).

6. The support mechanism for a 3D printer according to claim 1, characterized in that: link gear (4) are including transfer line (401), control loop (306) are close to bottom surface fixedly connected with of triangle bottom plate (2) central line one side links up axle (402), link up axle (402) with the one end swing joint of transfer line (401), the fixed cover of one end of linking up axle (402) has connect limit nut (403), the top surface of limit nut (403) with the one end activity overlap joint of transfer line (401), the other end of transfer line (401) articulates through universal driving shaft (404) has linkage arm (405), linkage arm (405) deviate from the one end activity of universal driving shaft (404) has cup jointed connecting axle (406), connecting axle (406) are fixed to be pegged graft in one side of plummer (5).

7. The support mechanism for a 3D printer according to claim 6, characterized in that: and one side of the inner wall of the control loop (306) is provided with a track groove matched with the track rod, and the track rod is movably sleeved in the track groove.

8. The support mechanism for a 3D printer according to claim 6, characterized in that: the length of the transmission rod (401) and the linkage arm (405) is more than 0.8 time of the side length of the triangular bottom plate (2).