CN212684733U - Novel cantilever type 3D printer - Google Patents
Novel cantilever type 3D printer Download PDFInfo
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- CN212684733U CN212684733U CN202021042673.0U CN202021042673U CN212684733U CN 212684733 U CN212684733 U CN 212684733U CN 202021042673 U CN202021042673 U CN 202021042673U CN 212684733 U CN212684733 U CN 212684733U
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Abstract
The utility model discloses a novel cantilever type 3D printer, including cantilever motion, horizontal motion, vertical motion and material extrusion motion, horizontal motion left side is located in the vertical motion slip, and on the vertical motion was located in the cantilever motion slip, material extrusion motion was located on the cantilever motion. The utility model relates to a printing apparatus specifically provides a novel cantilever type 3D printer, the device passes through cantilever motion, horizontal motion and vertical motion constitute the X axle of printer respectively, Y axle and Z axle, when guaranteeing the motion stationarity, guarantee the relative perpendicular between the three axle through XZ axle connecting piece and YZ axle connecting piece and all the other standard parts, improve and print precision and quality, and through the X axle, the limit switch and the dog cooperation that Y axle and Z epaxial correspondence set up, control each axle motion's motion limit, mechanical structure's integrality and security have been guaranteed.
Description
Technical Field
The utility model relates to a printing apparatus specifically indicates a novel cantilever type 3D printer.
Background
A 3D printer, also called a three-dimensional printer (3DP), is a machine of an accumulative manufacturing technology, i.e. a rapid prototyping technology, and is a technology of manufacturing a three-dimensional object by printing a layer-by-layer adhesive material using a special adhesive material such as wax, powdered metal or plastic based on a digital model file, and manufacturing a product by using a three-dimensional printer at the present stage, and constructing the object by printing layer-by-layer. The principle of the 3D printer is that data and raw materials are put into the 3D printer, and the machine can create products layer by layer according to programs. The biggest difference compared with the traditional printer is that the used 'ink' is a real raw material, and the media types are also various.
The traditional 3D printer mainly comprises a portal frame structure and a box body four-support structure, and the two printers are complex in structure, large in size, high in manufacturing cost and difficult to master in operation; the common 3D printer is a gantry three-coordinate 3D printer, the structural stability and the long-term property of the common 3D printer are widely applied all the time, but the gantry 3D printer performs three-coordinate positioning through three guide rail slider mechanisms, so that the occupied space is large, the weight is heavy, the printing speed is slow, and meanwhile, more power energy is needed, so that the better energy-saving effect cannot be achieved and the requirement of human beings on the space cannot be met; the box type structure is popular in the market at present, but the box type structure is complex, is not easy to assemble and is troublesome to maintain, the precision requirement of parts is high, and the cost of the whole machine type is high; the Delta type occupies a smaller area compared with other structures, but since the printer needs to leave a moving space for 3 parallel arms, the printer is directly limited in space utilization. In addition, because the coordinate positioning adopts a special interpolation algorithm, for some arc structures, a mode of approximating a plurality of straight line segments can be adopted, and the printing precision is slightly insufficient.
Since the 90 s of the 20 th century, independent research and development of 3D printing technology was conducted in many colleges and universities in China. The Qinghua university has certain scientific research advantages in the aspects of modern modeling theory, layered entity manufacturing, FDM process and the like; the university of science and technology in china has advantages in the manufacturing process of layered entities, and has introduced HRP series forming machines and forming materials; the three-dimensional printer nozzle is independently developed at the university of the Western-Ann transportation, a photocuring forming system and corresponding forming materials are developed, and the forming precision reaches 40.2 mm; the Chinese science and technology university develops an eight-nozzle combined injection device by self, and is expected to be applied to the fields of micro-manufacturing and photoelectric devices. However, in general, the level of research and development of domestic 3D printing technology has a large gap compared with foreign countries.
The utility model discloses it is big to the shared space of prior art, and the quality is heavier, difficult assembly, shortcoming such as maintenance trouble has proposed a novel cantilever type 3D printer.
SUMMERY OF THE UTILITY MODEL
To the above situation, for overcoming prior art's defect, the utility model provides a structural design is simple, and occupation of land space is little, and the operation is stable, prints the precision height, portable's novel cantilever type 3D printer.
The utility model adopts the following technical scheme: the utility model relates to a novel cantilever type 3D printer, including cantilever motion, horizontal motion, vertical motion and material extrusion motion, cantilever motion, horizontal motion and vertical motion are printer X axle, Y axle and Z axle respectively, vertical motion slides and locates horizontal motion left side, cantilever motion slides and locates on the vertical motion, material extrusion motion locates on the cantilever motion, and cantilever motion, horizontal motion and vertical motion cooperate and realize 3D and print;
the vertical movement mechanism comprises a Z-axis base, a Z-axis stepping motor, a coupler, a screw rod, Z polished rods and a handle, the Z-axis base is arranged on the left side of the horizontal movement mechanism in a clamping and sliding mode, the Z-axis stepping motor is arranged on the Z-axis base, the screw rod is connected with an output shaft of the Z-axis stepping motor through the coupler, the Z polished rods are arranged on the Z-axis base and are provided with two groups, the two groups of Z polished rods are respectively arranged on two sides of the screw rod, and the handle is arranged at the upper ends of the two groups of Z polished;
the cantilever motion mechanism comprises a lifting base, an X-axis stepping motor, a rear cover shell, an X-axis polished rod transmission slide block, a printing head seat, an X-axis end seat and an X-axis synchronous belt, wherein the lifting base is arranged on a lead screw through threaded connection, two ends of the lifting base are arranged on the Z-axis polished rod in a sliding manner, the rear cover shell is arranged at the rear side of the lifting base, the X-axis stepping motor is arranged on the rear cover shell, the X-axis polished rod is arranged on the rear cover shell, the X-axis end seat is arranged at the other end of the X-axis polished rod, a synchronous belt rotating rod is arranged on the X-axis end seat, two ends of the X-axis synchronous belt are respectively rotatably wound and connected on an output shaft of the X-axis stepping motor and the synchronous belt rotating rod, the X-axis polished rod, the X-ray polish rod cantilever stress is reduced, the printing speed and the printing precision are guaranteed, the X-ray polish rod transmission slide block is connected with an X-axis synchronous belt through a belt pressing plate, the X-axis synchronous belt drives the X-ray polish rod transmission slide block and a print head seat integrally connected with the X-ray polish rod transmission slide block to slide along an X-ray polish rod, a feed port is arranged on the print head seat, a feed pipe is arranged in the print head seat, the side wall of the feed pipe is a radiating fin, the feed port is communicated with the feed pipe, a heating block is arranged below the feed pipe, a spray head is arranged at the lower end of the feed pipe and is arranged below the heating block, a protective shell is arranged on the;
the horizontal movement mechanism comprises a supporting base, a Y-axis stepping motor, an object stage, a platform adjusting spring, a Y-axis synchronous belt, a linear bearing seat, a Y polished rod and a supporting plate, wherein the Y-axis stepping motor is arranged on the supporting base, a rotating rod is arranged at one end of the supporting base, which is far away from the Y-axis stepping motor, two ends of the Y-axis synchronous belt are respectively rotatably arranged on an output shaft and the rotating rod of the Y-axis stepping motor, two ends of the Y polished rod are respectively arranged on the supporting base, the linear bearing seat is slidably arranged on the Y polished rod, the linear bearing seat is connected with the Y-axis synchronous belt through a pressing plate, the supporting plate is arranged on the linear bearing seat, the platform adjusting spring is arranged at four corners of the supporting plate, a balance nut penetrates through the platform adjusting spring, the lower end of the, the object stage is arranged above the platform adjusting spring, a glass plate is arranged on the object stage so that the nozzle can print parts on the object stage and print materials can be cleaned conveniently, the balance nut is used for adjusting the level of the glass plate on the object stage so that the parts can be printed better, and a printing material placing frame is arranged on the left side of the supporting base;
the material extrusion movement mechanism comprises an extrusion stepping motor and a guide frame, the guide frame is arranged on a lifting base and is far away from one side of the X-axis stepping motor, the extrusion stepping motor is arranged on the guide frame, an extrusion roller is arranged in the guide frame and is arranged on one side of an output shaft of the extrusion stepping motor, a motor gear shaft is arranged on the output shaft of the extrusion stepping motor, the extrusion roller is meshed with the motor gear shaft, a printing material is conveyed to a spray head through the meshing of the extrusion roller and the motor gear shaft, the feeding and withdrawing of the printing material are realized, an upper material guide hole and a lower material guide hole are respectively arranged above and below the guide frame, and gaps between the upper material guide hole, the lower material guide hole and the extrusion roller and the motor gear shaft are located on the same vertical surface and are used for guiding.
Furthermore, an X-axis limit switch is arranged on the right side of the lifting base, an X-axis stop block is arranged on the print head seat, the X-axis limit switch and the X-axis stop block are positioned on the same horizontal plane, the inner side of the supporting base is provided with a Y-axis limit switch, a Y-axis stop block is arranged on one side of the supporting plate close to the Y-axis limit switch, the Y-axis limit switch and the Y-axis stop block are positioned on the same horizontal plane, the upper end of the lifting base is provided with a Z-axis limit switch, the print head seat is provided with a Z-axis stop block, the Z-axis limit switch and the Z-axis stop block are positioned on the same horizontal plane, when the limit switch contacts with the corresponding stop block, the motion of the corresponding mechanism is controlled to stop or return to the initial running state, therefore, damage to certain parts caused by the fact that the printer exceeds the limit position of the printer during operation is avoided, and the integrity and safety of a mechanical structure are protected.
Furthermore, the X-axis synchronous belt and the Y-axis synchronous belt are both of an embedded structure, so that the running stability of the printer is ensured.
Further, support base left side wall and be equipped with the spout, Z axle base right side is equipped with the block slider, the Z axle base slides through block slider and spout and locates and support the base left side.
Furthermore, be equipped with the main control board on the support base, X axle stepper motor, Y axle stepper motor, Z axle stepper motor and extrusion stepper motor all are connected with the main control board electricity, and the main control board converts the 3D model file after handling into X axle stepper motor, Y axle stepper motor, Z axle stepper motor and extrusion stepper motor's data, gives 4 stepper motor control circuit and controls, then lets stepper motor control circuit control work piece output glass plate's X-Y plane removal, the vertical migration of shower nozzle and the speed of shower nozzle feed, lets the high temperature nozzle melt the back with the raw materials and spout on work piece output glass plate layer by layer more accurately, forms final entity model.
Further, the printing stroke of the cantilever motion mechanism is 140mm, and the theoretical precision is 0.01 mm.
Further, the printing stroke of the horizontal movement mechanism is equal to 120mm, and the theoretical precision is 0.01 mm.
Adopt above-mentioned structure the utility model discloses the beneficial effect who gains as follows: this scheme novel cantilever type 3D printer passes through cantilever motion, horizontal motion and vertical motion constitute the X axle of printer respectively, Y axle and Z axle, when guaranteeing the motion stationarity, guarantee the relative perpendicular between the three axle through XZ axle connecting piece and YZ axle connecting piece and all the other standard parts, thereby improve and print precision and quality, and through the X axle, Y axle and Z epaxial limit switch and the dog cooperation that corresponds the setting, control each axle motion's motion limit, mechanical structure's integrality and security have been guaranteed, the integrated device structural design is simple, the occupation of land space is little, the operation is stable, it is high to print the precision, and portable.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic view of the overall structure of a novel cantilever type 3D printer according to the present invention;
fig. 2 is a schematic structural view of a novel cantilever type 3D printer vertical movement mechanism of the present invention;
fig. 3 is a schematic structural view of a cantilever motion mechanism and a material extrusion motion mechanism of the novel cantilever type 3D printer of the present invention;
fig. 4 is a schematic structural view of a novel cantilever type 3D printer heating block of the present invention;
fig. 5 is a schematic structural view of a horizontal movement mechanism of the novel cantilever type 3D printer of the present invention;
fig. 6 is a schematic bottom structure view of a horizontal movement mechanism of the novel cantilever type 3D printer of the present invention;
wherein, 1, a cantilever motion mechanism, 2, a horizontal motion mechanism, 3, a vertical motion mechanism, 4, a material extrusion motion mechanism, 5, a Z-axis base, 6, a Z-axis stepping motor, 7, a coupler, 8, a screw rod, 9, a Z polished rod, 10, a handle, 11, a lifting base, 12, an X-axis stepping motor, 13, a rear cover shell, 14, an X-axis polished rod, 15, an X-axis polished rod transmission slide block, 16, a printing head seat, 17, an X-axis end seat, 18, an X-axis synchronous belt, 19, a rotating belt, 20, a linear ball bearing, 21, a feed inlet, 22, a cooling fin, 23, a heating block, 24, a spray head, 25, a cooling fan, 26, a support base, 27, a Y-axis stepping motor, 28, a carrying platform, 29, a platform adjusting spring, 30, a Y-axis synchronous belt, 31, a linear shaft bearing, 32, a Y-axis polished rod, 33, a support plate, Printing material placing frames 36, an extrusion stepping motor 37, a guide frame 38, an extrusion roller 39, an upper material guide hole 40, a lower material guide hole 41, an X-axis limit switch 42, a Y-axis limit switch 43, a Z-axis limit switch 44 and a main control board.
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 some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
As shown in fig. 1 to 6, the utility model relates to a novel cantilever type 3D printer, including cantilever movement mechanism 1, horizontal movement mechanism 2, vertical movement mechanism 3 and material extrusion movement mechanism 4, cantilever movement mechanism 1, horizontal movement mechanism 2 and vertical movement mechanism 3 are printer X axle, Y axle and Z axle respectively, vertical movement mechanism 3 slides and locates horizontal movement mechanism 2 left side, cantilever movement mechanism 1 slides and locates on vertical movement mechanism 3, material extrusion movement mechanism 4 locates on cantilever movement mechanism 1, horizontal movement mechanism 2 and vertical movement mechanism 3 cooperate and realize 3D and print; vertical movement mechanism 3 includes Z axle base 5, Z axle step motor 6, shaft coupling 7, lead screw 8, Z polished rod 9 and handle 10, 2 left sides of horizontal movement mechanism are located in the 5 block slides of Z axle base, Z axle step motor 6 is located on Z axle base 5, lead screw 8 passes through shaft coupling 7 and links to each other with Z axle step motor 6 output shaft, Z polished rod 9 is located on Z axle base 5, Z polished rod 9 is equipped with two sets ofly, 8 both sides of lead screw are located respectively to two sets of Z polished rod 9, two sets of Z polished rod 9 upper ends are located to handle 10.
The cantilever motion mechanism 1 comprises a lifting base 11, an X-axis stepping motor 12, a rear cover shell 13, an X-axis polished rod 14, an X-axis polished rod transmission slide block 15, a print head seat 16, an X-axis shaft end seat 17 and an X-axis synchronous belt 18, wherein the lifting base 11 is arranged on a screw rod 8 through threaded connection, two ends of the lifting base 11 are arranged on a Z-axis polished rod 9 in a sliding manner, the rear cover shell 13 is arranged at the rear side of the lifting base 11, the X-axis stepping motor 12 is arranged on the rear cover shell 13, the X-axis shaft end seat 17 is arranged at the other end of the X-axis polished rod 14, the X-axis end seat 17 is provided with the synchronous belt rotating rod 19, two ends of the X-axis synchronous belt 18 are respectively rotatably wound on an output shaft of the X-axis stepping motor 12 and the synchronous belt rotating rod 19, the X-axis polished rod transmission slide block 15 is arranged on the X-axis, the cantilever stress of the X polish rod 14 is reduced, the printing speed and precision are ensured, the X polish rod transmission slide block 15 is connected with an X-axis synchronous belt 18 through a belt pressing plate, the X-axis synchronous belt 18 drives the X polish rod transmission slide block 15 and a printing head seat 16 integrally connected with the X polish rod transmission slide block 15 to slide along the X polish rod 14, a feeding port 21 is formed in the printing head seat 16, a feeding pipe is arranged in the printing head seat 16, the side wall of the feeding pipe is a radiating fin 22, the feeding port 21 is communicated with the feeding pipe, a heating block 23 is arranged below the feeding pipe, a spray head 24 is arranged at the lower end of the feeding pipe, the spray head 24 is arranged below the heating block 23, a protective shell is arranged on the.
The horizontal movement mechanism 2 comprises a supporting base 26, a Y-axis stepping motor 27, an object stage 28, a platform adjusting spring 29, a Y-axis synchronous belt 30, a linear bearing seat 31, a Y polished rod 32 and a supporting plate 33, wherein the Y-axis stepping motor 27 is arranged on the supporting base 26, a rotating rod is arranged at one end of the supporting base 26 far away from the Y-axis stepping motor 27, two ends of the Y-axis synchronous belt 30 are respectively and rotatably arranged on an output shaft and the rotating rod of the Y-axis stepping motor 27, two ends of the Y polished rod 32 are respectively arranged on the supporting base 26, the linear bearing seat 31 is slidably arranged on the Y polished rod 32, the linear bearing seat 31 is connected with the Y-axis synchronous belt 30 through a pressing plate, the supporting plate 33 is arranged on the linear bearing seat 31, the platform adjusting spring 29 is arranged on the supporting plate 33, balancing nuts (not shown) penetrate through four corners in the platform adjusting spring 29, objective table 28 is located platform regulating spring 29 top, is equipped with glass board 34 on objective table 28 to be convenient for shower nozzle 24 prints the part at last and be convenient for clear up the printing material, balance nut is used for adjusting objective table 28 and goes up glass board 34 level, so that print the part better, and support base 26 left side is equipped with printing material rack 35.
The material extruding movement mechanism 4 comprises an extruding stepping motor 36 and a guide frame 37, the guide frame 37 is arranged on one side, away from the X-axis stepping motor 12, of the lifting base 11, the extruding stepping motor 36 is arranged on the guide frame 37, an extruding roller 38 is rotatably arranged in the guide frame 37, the extruding roller 38 is arranged on one side of an output shaft of the extruding stepping motor 36, a motor gear shaft 45 is arranged on the output shaft of the extruding stepping motor 36, the extruding roller 38 is meshed with the motor gear shaft 45, printing materials are sent to the spray head 24 through meshing of the extruding roller 38 and the motor gear shaft 45, feeding and withdrawing of the printing materials are achieved, an upper material guide hole 39 and a lower material guide hole 40 are respectively arranged above and below the guide frame 37, and gaps among the upper material guide hole 39, the lower material guide hole 40, the extruding roller 38 and the motor gear shaft 45 are located on.
The right side of the lifting base 11 is provided with an X-axis limit switch 41, the print head seat 16 is provided with an X-axis stop block, the X-axis limit switch 41 and the X-axis stop block are located on the same horizontal plane, the inner side of the supporting base 26 is provided with a Y-axis limit switch 42, one side of the supporting plate 33, which is close to the Y-axis limit switch 42, is provided with a Y-axis stop block, the Y-axis limit switch 42 and the Y-axis stop block are located on the same horizontal plane, the upper end of the lifting base 11 is provided with a Z-axis limit switch 43, the print head seat 16 is provided with a Z-axis stop block, the Z-axis limit switch 43 and the Z-axis stop block are located on the same horizontal plane, when the stop switches contact the corresponding stops, or returns to an initial operation state, damage caused when certain parts exceed the limit position of the printer during operation is.
The X-axis synchronous belt 18 and the Y-axis synchronous belt 30 both adopt embedded structures, and the running stability of the printer is guaranteed.
A main control board 44 is arranged on the supporting base 26, the X-axis stepping motor 12, the Y-axis stepping motor 27, the Z-axis stepping motor 6 and the extrusion stepping motor 36 are electrically connected with the main control board 44, the main control board 44 converts the processed 3D model file into data of the X-axis stepping motor 12, the Y-axis stepping motor 27, the Z-axis stepping motor 6 and the extrusion stepping motor 36, the data are sent to 4 stepping motor control circuits for control, then the stepping motor control circuits control the X-Y plane movement of the workpiece output glass plate 34, the vertical movement of the spray head 24 and the feeding speed of the spray head 24, and the high-temperature spray head 24 can accurately spray the melted raw materials on the workpiece output glass plate 34 layer by layer to form a final solid model.
The printing stroke of the cantilever motion mechanism 1 is 140mm, and the theoretical accuracy is 0.01 mm.
The printing stroke of the horizontal movement mechanism 2 is 120mm, and the theoretical precision is 0.01 mm.
When the device is used specifically, a printing material is placed on a printing material placing frame 35, the printing material sequentially passes through a lower material guide hole 40, a gap between a motor gear shaft 45 and an extrusion roller 38 and an upper material guide hole 39 and is introduced through a feed inlet 21, and is finally extruded by a nozzle 24 for corresponding 3D printing, in the 3D printing process, a main control board 44 performs corresponding actions by controlling an X-axis stepping motor 12, a Y-axis stepping motor 27, a Z-axis stepping motor 6 and an extrusion stepping motor 36 according to a 3D model file to realize 3D printing, firstly, the Z-axis stepping motor 6 drives a screw rod 8 to rotate, the screw rod 8 drives a lifting base 11 to lift up and down along a Z polished rod 9, a required stepping angle is calculated by a given amount fixed by the Z-axis stepping motor 6, three-dimensional printing is firstly converted into two-dimensional printing in each plane, then, the Y-axis stepping motor 27 drives a linear bearing seat 31 to slide along a Y polished rod 32 through, two-dimensional printing in each plane is converted into one-dimensional printing on a plurality of straight lines, when the X-axis stepping motor 12 acts, the printing head seat 16 integrally designed with the X-polish rod transmission slide block 15 is driven to slide along the X-polish rod 14 through the X-axis synchronous belt 18, so that the final position is determined, in the whole printing process, the movement limit of the printing head seat 16 is controlled through the X-axis limit switch 41 and the X-axis stop block, the movement limit of the linear bearing seat 31 is controlled through the Y-axis limit switch 42 and the Y-axis stop block, and the movement limit of the lifting base 11 is controlled through the Z-axis limit switch 43 and the Z-axis stop block.
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 (7)
1. The utility model provides a novel cantilever type 3D printer which characterized in that: the material extruding device comprises a cantilever motion mechanism, a horizontal motion mechanism, a vertical motion mechanism and a material extruding motion mechanism, wherein the vertical motion mechanism is arranged on the left side of the horizontal motion mechanism in a sliding manner, the cantilever motion mechanism is arranged on the vertical motion mechanism in a sliding manner, and the material extruding motion mechanism is arranged on the cantilever motion mechanism;
the vertical movement mechanism comprises a Z-axis base, a Z-axis stepping motor, a coupler, a screw rod, Z polished rods and a handle, the Z-axis base is arranged on the left side of the horizontal movement mechanism in a clamping and sliding mode, the Z-axis stepping motor is arranged on the Z-axis base, the screw rod is connected with an output shaft of the Z-axis stepping motor through the coupler, the Z polished rods are arranged on the Z-axis base and are provided with two groups, the two groups of Z polished rods are respectively arranged on two sides of the screw rod, and the handle is arranged at the upper ends of the two groups of Z polished;
the cantilever motion mechanism comprises a lifting base, an X-axis stepping motor, a rear cover shell, an X-axis polished rod transmission slide block, a printing head seat, an X-axis end seat and an X-axis synchronous belt, wherein the lifting base is arranged on a lead screw through threaded connection, two ends of the lifting base are arranged on the Z-axis polished rod in a sliding manner, the rear cover shell is arranged at the rear side of the lifting base, the X-axis stepping motor is arranged on the rear cover shell, the X-axis polished rod is arranged on the rear cover shell, the X-axis end seat is arranged at the other end of the X-axis polished rod, a synchronous belt rotating rod is arranged on the X-axis end seat, two ends of the X-axis synchronous belt are respectively rotatably wound and connected on an output shaft of the X-axis stepping motor and the synchronous belt rotating rod, the X-axis polished rod, the X polished rod transmission slide block is connected with an X-axis synchronous belt through a belt pressing plate, a feed inlet is arranged on the print head seat, a feed pipe is arranged in the print head seat, the side wall of the feed pipe is a radiating fin, the feed inlet is communicated with the feed pipe, a heating block is arranged below the feed pipe, a spray head is arranged at the lower end of the feed pipe and is arranged below the heating block, a protective shell is arranged outside the feed pipe, a radiating fan is arranged on the protective shell, and the radiating fan is arranged above the heating block;
the horizontal movement mechanism comprises a supporting base, a Y-axis stepping motor, an object stage, a platform adjusting spring, a Y-axis synchronous belt, a linear bearing seat, a Y polished rod and a supporting plate, wherein the Y-axis stepping motor is arranged on the supporting base, a rotating rod is arranged at one end of the supporting base, which is far away from the Y-axis stepping motor, two ends of the Y-axis synchronous belt are respectively rotatably arranged on an output shaft and the rotating rod of the Y-axis stepping motor, two ends of the Y polished rod are respectively arranged on the supporting base, the linear bearing seat is slidably arranged on the Y polished rod, the linear bearing seat is connected with the Y-axis synchronous belt through a pressing plate, the supporting plate is arranged on the linear bearing seat, the platform adjusting spring is arranged at four corners of the supporting plate, a balance nut penetrates through the platform adjusting spring, the lower end of the, the objective table is arranged above the platform adjusting spring, a glass plate is arranged on the objective table, and a printing material placing frame is arranged on the left side of the supporting base;
the material extruding movement mechanism comprises an extruding stepping motor and a guide frame, the guide frame is arranged on one side, away from the X-axis stepping motor, of the lifting base, the extruding stepping motor is arranged on the guide frame, an extruding roller is arranged in the guide frame in a rotating mode, the extruding roller is arranged on one side of an output shaft of the extruding stepping motor, a motor gear shaft is arranged on the output shaft of the extruding stepping motor, the extruding roller is meshed with the motor gear shaft, an upper material guide hole and a lower material guide hole are respectively arranged above and below the guide frame, and gaps between the upper material guide hole, the lower material guide hole and the extruding roller and the motor gear shaft are located on the same vertical plane.
2. The novel cantilever-type 3D printer of claim 1, wherein: the lifting base right side is equipped with X axle limit switch, be equipped with X axle dog on the print head seat, X axle limit switch and X axle dog are located same horizontal plane, it is equipped with Y axle limit switch to support the base inboard, the backup pad is close to Y axle limit switch one side and is equipped with Y axle dog, Y axle limit switch and Y axle dog are located same horizontal plane, the lifting base upper end is equipped with Z axle limit switch, be equipped with Z axle dog on the print head seat, Z axle limit switch and Z axle dog are located same horizontal plane.
3. The novel cantilever-type 3D printer of claim 1, wherein: the X-axis synchronous belt and the Y-axis synchronous belt both adopt embedded structures.
4. The novel cantilever-type 3D printer of claim 1, wherein: the supporting base is characterized in that a sliding groove is formed in the left side wall of the supporting base, a clamping sliding block is arranged on the right side of the Z-axis base, and the Z-axis base is arranged on the left side of the supporting base in a sliding mode through the clamping sliding block and the sliding groove.
5. The novel cantilever-type 3D printer of claim 4, wherein: the support base is provided with a main control board, and the X-axis stepping motor, the Y-axis stepping motor, the Z-axis stepping motor and the extrusion stepping motor are all electrically connected with the main control board.
6. The novel cantilever-type 3D printer of claim 4, wherein: the printing stroke of the cantilever motion mechanism is 140 mm.
7. The novel cantilever-type 3D printer of claim 4, wherein: the printing stroke of the horizontal movement mechanism is Y-120 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021042673.0U CN212684733U (en) | 2020-06-09 | 2020-06-09 | Novel cantilever type 3D printer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021042673.0U CN212684733U (en) | 2020-06-09 | 2020-06-09 | Novel cantilever type 3D printer |
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| CN212684733U true CN212684733U (en) | 2021-03-12 |
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| CN202021042673.0U Expired - Fee Related CN212684733U (en) | 2020-06-09 | 2020-06-09 | Novel cantilever type 3D printer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113715339A (en) * | 2021-08-26 | 2021-11-30 | 江西理工大学 | Method for improving two-dimensional motion repetition precision |
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2020
- 2020-06-09 CN CN202021042673.0U patent/CN212684733U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113715339A (en) * | 2021-08-26 | 2021-11-30 | 江西理工大学 | Method for improving two-dimensional motion repetition precision |
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Granted publication date: 20210312 |