CN210706063U - Simplified rectangular coordinate desktop 3D printer - Google Patents
Simplified rectangular coordinate desktop 3D printer Download PDFInfo
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- CN210706063U CN210706063U CN201921100301.6U CN201921100301U CN210706063U CN 210706063 U CN210706063 U CN 210706063U CN 201921100301 U CN201921100301 U CN 201921100301U CN 210706063 U CN210706063 U CN 210706063U
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Abstract
The utility model discloses a simplified rectangular coordinate desktop 3D printer, the printer comprises a Z-axis upper end fixing part, a polished rod, an aluminum profile, a Z-axis moving part, an X-axis far-end fixing part, a bearing, a printing platform, a Y-axis motion platform, a first synchronous tooth, a printing nozzle, a heating head, an X-axis sliding part, a synchronous belt, a printing wire, a lead screw, a stepping motor, a second synchronous tooth, a coupler, a limit switch, an extrusion motor, an extrusion gear and an extrusion bearing; the printer has the advantages that the rectangular coordinate system is adopted, the control precision reaches 0.02 mm, the structure is compact, the installation is convenient, the connecting line is simple and simplified, and the operation noise is low, a user can grab the printer by one hand and carry the printer, the use of the user is facilitated, the reloading precision is good in retentivity, and the processing efficiency of the executed task is further improved.
Description
Technical Field
The utility model relates to a 3D printer, concretely relates to type rectangular coordinate desktop 3D printer of retrenching.
Background
At present, desktop-level 3D printers on the domestic market are various in types, but most of the desktop-level 3D printers have the defects of high control precision, low precision after installation and difficulty in reassembly. Along with the civilization process of three-dimensional printer is faster and faster, the market needs more low-cost and the fast desktop level 3D printer of functioning speed, and Cartesian rectangular coordinate system's double screw printer needs five step motor and two lead screws to realize the operation at least, and the printer of monofilament thick stick also needs four motors and many optical axes to realize, and functioning speed has been injectd 150 millimeters/second. Therefore, the main disadvantages of the 3D printer commonly available in the market are that the manufacturing cost is already limited and the printing speed is difficult to be increased. In order to meet the new wave of mass innovative manufacturing, the market urgently needs a 3D printer with lower cost, higher printing speed, good portability, and more convenient adjustment and maintenance, so that the rapid prototyping advanced manufacturing technology can rapidly enter the mass and improve the design and development cycle of related innovative products.
Therefore, the existing 3D printer needs to be improved, so that the 3D printer is more practical and economical.
Disclosure of Invention
An object of the utility model is to provide a type of retrenching rectangular coordinate desktop 3D printer for solve the not high and complicated problem of structure of current 3D printer precision.
In order to solve the technical problem, the utility model adopts the following technical scheme:
a simplified rectangular coordinate desktop 3D printer comprises a Z-axis upper end fixing piece, a polished rod, an aluminum profile, a Z-axis moving piece, an X-axis far-end fixing piece, a bearing, a printing platform, a Y-axis moving platform, a first synchronous tooth, a printing nozzle, a heating head, an X-axis sliding piece, a synchronous belt, a printing wire, a lead screw, a stepping motor, a second synchronous tooth, a coupler, a limit switch, an extrusion motor, an extrusion gear, an extrusion bearing, a Z-axis motor and a connecting piece;
the fixing piece at the upper end of the Z shaft is fixed on the aluminum profile through a connecting nut;
the upper ends of the polish rod and the lead screw are fixed on the fixing piece at the upper end of the Z shaft;
four linear bearings in two groups are arranged in two cavities of the Z-axis moving part, and the Z-axis moving part can vertically move along the polish rod through the bearings;
the Z-axis moving part is also provided with a nut of a lead screw, and when the lead screw rotates, the nut can drive the Z-axis moving part to move up and down along the polish rod in a controlled manner;
the lower end of the lead screw is connected with an output shaft of the Z-axis motor through a coupler;
the coupling is used for correcting the coaxiality error of the screw rod and the output shaft of the Z-axis motor;
the Z-axis motor is fixed on the aluminum profile through a connecting piece;
the stepping motor is fixed on the Z-axis movable piece and moves up and down along with the Z-axis movable piece;
one end of a synchronous belt is sleeved on an output shaft of the stepping motor, the other end of the synchronous belt is sleeved on a bearing, the bearing is fixed on an X-axis far-end fixing piece, and the X-axis far-end fixing piece is fixed on an aluminum profile through a bolt 1;
a limit switch is arranged on the X-axis far-end fixing piece;
and a second synchronous tooth is arranged on the output shaft of the stepping motor, and a synchronous belt is sleeved on the second synchronous tooth.
The X-axis sliding piece is provided with three small wheels with rubber, wherein two small wheels are arranged on the upper side of the sliding piece, one small wheel is arranged on the lower side of the sliding piece, the X-axis sliding piece is provided with a radiator and a heating head, and the heating head is provided with a printing nozzle;
two cavities are formed in the connecting piece, two groups of four linear bearings are respectively arranged in the cavities, the optical axis penetrates through the linear bearings, two ends of each linear bearing are fixed on the Y-axis moving platform through fixing pieces, the number of the fixing pieces is four, and one of the fixing pieces is provided with a Y-axis limit switch;
the Y-axis motion platform is driven by a first synchronous tooth arranged on an output shaft of the Y-axis stepping motor to reciprocate through a synchronous belt;
two ends of the synchronous belt are fixed on the Y-axis motion platform;
the printing platform is connected to the Y-axis moving platform through four screws, springs are sleeved on the screws, and the adjusting springs are used for adjusting the levelness of the printing platform; the printing platform, the Y-axis motion platform and the polish rod reciprocate together;
the extrusion motor and the Z-axis motor are arranged on the aluminum profile side by side, an extrusion gear and an extrusion bearing are mounted on an output shaft of the extrusion motor, and the printing wire is extruded and enters the X-axis sliding part.
Preferably, the above-mentioned aluminium alloy totally 4, made by 2020 aluminium of european standard, three of them are connected together and used for resisting the deformation, another aluminium alloy is fixed on Z axle moving part.
The utility model has the advantages of as follows:
the utility model discloses a printer adopts single lead screw Z axle, has reduced the shortcoming of the wavy line of part that the double-screw printer printed, and fixes a position with two polished rods, has restricted the rotary displacement of Z axle, and the single arm is fixed by mounting 2 and can only remain the degree of freedom that reciprocates. The single-arm structure also reduces the manufacturing cost of the desktop printer to a great extent. The user can single hand snatch the aluminium alloy of fixed Z axle and mention the complete machine, carries, considers more convenient.
The X-axis moving part is in a roller trolley form, and the friction force of the rollers is small, so that the noise of the whole machine is effectively reduced. Therefore, the printer noise of the present invention is effectively reduced in the X-axis frequent reciprocating motion.
The utility model discloses a Y axle motor drives whole print platform's reciprocating motion, and the linear bearing of Y axle is fixed, and the hold-in range drives the optical axis and the optical axis drives whole print platform's reciprocating motion, has effectively reduced the structure of Y axle system like this for the structure of Y axle has obtained retrenching.
The utility model discloses an overall structure all fixes on the organism frame that the aluminium alloy is constituteed, and the aluminium alloy shelf is connected simply, still makes whole machine appearance have the sight except reducing the connecting piece. The distance between the Z-axis stepping motor, the extruding device stepping motor and the Y-axis stepping motor which are arranged on the aluminum profile is closer, so that the connecting line between the circuit board and the motor is effectively reduced. The circuit structure of the machine is more compact. And all stepper motors use 0.9 step-angle motors. The circuit board pulse is subdivided by 16, and the control precision can reach 0.02 mm.
From above, can know that the rectangular coordinate system motion mode of adoption, the control accuracy of retrench type rectangular coordinate single armed desktop 3D printer reach 0.02 millimeter, compact structure, simple to operate, the simple characteristics of retrenching, operation low in noise of line, convenience of customers's use, this printer convenient to carry, it is good to reload precision retentivity, and then increases the machining efficiency of the task of carrying out.
Drawings
FIG. 1 is a front view of an embodiment of a simplified rectangular coordinate desktop 3D printer of the present invention;
FIG. 2 is a top view of an embodiment of the present invention, which is a simplified rectangular coordinate desktop 3D printer;
FIG. 3 is a right side view of an embodiment of the present invention, showing a simplified rectangular coordinate desktop 3D printer;
FIG. 4 is a rear view of an embodiment of the present invention, showing a simplified rectangular coordinate desktop 3D printer;
fig. 5 is the utility model relates to an installation structure chart of type rectangular coordinate desktop 3D printer embodiment.
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle", and the like used in the present specification are for the sake of clarity only, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof are also considered to be the scope of the present invention without substantial changes in the technical content.
Example 1
Referring to fig. 1-4, a simplified rectangular coordinate desktop 3D printer comprises a Z-axis upper end fixing part 2, a polished rod 3, an aluminum profile 4, a Z-axis moving part 5, an X-axis distal end fixing part 7, a bearing 8, a printing platform 9, a Y-axis moving platform 12, a first synchronous tooth 15, a printing nozzle 16, a heating head 17, an X-axis sliding part 19, a synchronous belt 20, a printing wire 21, a lead screw 22, a stepping motor 23, a second synchronous tooth 24, a coupler 26, a limit switch 28, an extrusion motor 29, an extrusion gear 30, an extrusion bearing 31, a Z-axis motor 32 and a connecting part 33;
the fixing piece 2 at the upper end of the Z shaft is fixed on an aluminum profile 4 through a connecting nut 1;
the upper ends of the polish rod 3 and the lead screw 22 are fixed on the Z-axis upper end fixing piece 2;
four linear bearings in two groups are arranged in two cavities of the Z-axis moving part 5, and the Z-axis moving part 5 can vertically move along the polished rod 3 through the bearings;
the Z-axis movable piece 5 is also provided with a nut of a lead screw 22, and when the lead screw 22 rotates, the nut can drive the Z-axis movable piece 5 to move up and down along the polished rod 3 in a controlled manner;
the lower end of the lead screw 22 is connected with an output shaft of a Z-axis motor 32 through a coupler 26;
the coupler 32 is used for correcting the coaxiality error of the output shaft of the lead screw 22 and the Z-axis motor 32;
the Z-axis motor 32 is fixed on the aluminum profile 4 through a connecting piece;
the stepping motor 23 is fixed on the Z-axis movable piece 5 and moves up and down along with the Z-axis movable piece 5;
one end of a synchronous belt 20 is sleeved on an output shaft of the stepping motor 23, the other end of the synchronous belt 20 is sleeved on a bearing 8, the bearing 8 is fixed on an X-axis far-end fixing piece 7, and the X-axis far-end fixing piece 7 is fixed on the aluminum profile 4 through a bolt 111;
a limit switch 28 is arranged on the X-axis far-end fixing piece 7;
and a second synchronous tooth 24 is arranged on an output shaft of the stepping motor 23, and a synchronous belt 20 is sleeved on the second synchronous tooth 24.
Three small wheels 18 with rubber are mounted on the X-axis sliding piece 19, wherein two small wheels are arranged on the upper side of the sliding piece 19, one small wheel is arranged on the lower side of the sliding piece 19, a radiator and a heating head 17 are mounted on the X-axis sliding piece 19, and a printing nozzle 16 is mounted on the heating head 17;
two cavities are formed in the connecting piece 33, two groups of four linear bearings are respectively arranged in the cavities, the optical axis 14 penetrates through the linear bearings, two ends of each linear bearing are fixed on the Y-axis moving platform 12 through fixing pieces 13, the number of the fixing pieces 13 is four, and one of the fixing pieces is provided with a Y-axis limit switch;
the Y-axis motion platform 12 is driven by a first synchronous tooth 15 arranged on an output shaft of the Y-axis stepping motor 25 through a synchronous belt 34 to reciprocate;
two ends of the synchronous belt 34 are fixed on the Y-axis motion platform 12;
the printing platform 9 is connected to a Y-axis motion platform 12 through four screws 10, springs 11 are sleeved on the screws 10, and the adjusting springs 11 are used for adjusting the levelness of the printing platform 9; the printing platform 9 reciprocates together with the Y-axis motion platform 12 and the polished rod 3;
the extrusion motor 29 and the Z-axis motor 32 are arranged on the aluminum profile 4 side by side, an extrusion gear 30 and an extrusion bearing 31 are arranged on an output shaft of the extrusion motor 29, and the printing wire 21 is extruded out and enters the X-axis sliding piece 19.
Referring to fig. 5, preferably, the above-mentioned aluminium profiles 4 have a total of 4 profiles, made of aluminium according to european standard 2020, three of which are joined together for resisting deformation, the other aluminium profile 4 being fixed to the Z-axis mobile element 5.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (2)
1. The utility model provides a type rectangular coordinate desktop 3D printer which characterized in that: the printer comprises a Z-axis upper end fixing piece (2), a polished rod (3), an aluminum profile (4), a Z-axis moving piece (5), an X-axis far end fixing piece (7), a bearing (8), a printing platform (9), a Y-axis moving platform (12), a first synchronous tooth (15), a printing nozzle (16), a heating head (17), an X-axis sliding piece (19), a synchronous belt (20), a printing wire (21), a lead screw (22), a stepping motor (23), a second synchronous tooth (24), a coupler (26), a limit switch (28), an extrusion motor (29), an extrusion gear (30), an extrusion bearing (31), a Z-axis motor (32) and a connecting piece (33);
the fixing piece (2) at the upper end of the Z shaft is fixed on the aluminum profile (4) through a connecting nut (1);
the upper ends of the polish rod (3) and the lead screw (22) are fixed on the Z-axis upper end fixing piece (2);
two groups of four linear bearings are arranged in two cavities of the Z-axis moving part (5), and the Z-axis moving part (5) can vertically move along the polished rod (3) through the bearings;
the Z-axis moving part (5) is also provided with a nut of a lead screw (22), and when the lead screw (22) rotates, the nut can drive the Z-axis moving part (5) to move up and down along the polished rod (3) in a controlled manner;
the lower end of the lead screw (22) is connected with an output shaft of a Z-axis motor (32) through a coupling (26);
the coupling (26) is used for correcting the coaxiality error of the output shaft of the lead screw (22) and the output shaft of the Z-axis motor (32);
the Z-axis motor (32) is fixed on the aluminum profile (4) through a connecting piece (33);
the stepping motor (23) is fixed on the Z-axis moving part (5) and moves up and down along with the Z-axis moving part (5);
one end of a synchronous belt (20) is sleeved on an output shaft of the stepping motor (23), the other end of the synchronous belt (20) is sleeved on a bearing (8), the bearing (8) is fixed on an X-axis far-end fixing piece (7), and the X-axis far-end fixing piece (7) is fixed on the aluminum profile (4) through a bolt (111);
a limit switch (28) is arranged on the X-axis far-end fixing piece (7);
a second synchronous tooth (24) is arranged on an output shaft of the stepping motor (23), and a synchronous belt (20) is sleeved on the second synchronous tooth (24);
three small wheels (18) with rubber are mounted on the X-axis sliding part (19), wherein two small wheels are arranged on the upper side of the sliding part (19), one small wheel is arranged on the lower side of the sliding part (19), a radiator and a heating head (17) are mounted on the X-axis sliding part (19), and a printing nozzle (16) is mounted on the heating head (17);
two cavities are formed in the connecting piece (33), two groups of four linear bearings are respectively arranged in the cavities, the optical axis penetrates through the linear bearings, two ends of each linear bearing are fixed on the Y-axis moving platform (12) through fixing pieces, the number of the fixing pieces is four, and one of the fixing pieces is provided with a Y-axis limit switch;
the Y-axis motion platform (12) is driven by a first synchronous tooth (15) arranged on an output shaft of the Y-axis stepping motor (25) to reciprocate through a synchronous belt (34);
two ends of the synchronous belt (34) are fixed on the Y-axis motion platform (12);
the printing platform (9) is connected to a Y-axis moving platform (12) through four screws (10), springs (11) are sleeved on the screws (10), and the adjusting springs (11) are used for adjusting the levelness of the printing platform (9); the printing platform (9) performs reciprocating motion together with the Y-axis motion platform (12) and the polished rod (3);
the extruding motor (29) and the Z-axis motor (32) are arranged on the aluminum profile (4) side by side, an extruding gear (30) and an extruding bearing (31) are mounted on an output shaft of the extruding motor (29), and the printing wire (21) is extruded and enters the X-axis sliding piece (19).
2. A reduced cartesian desktop 3D printer according to claim 1 characterised by: the aluminum profiles (4) are 4 in total and are made of 2020 aluminum according to European standard, three of the aluminum profiles are connected together to resist deformation, and the other aluminum profile (4) is fixed on the Z-axis movable piece (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921100301.6U CN210706063U (en) | 2019-07-12 | 2019-07-12 | Simplified rectangular coordinate desktop 3D printer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921100301.6U CN210706063U (en) | 2019-07-12 | 2019-07-12 | Simplified rectangular coordinate desktop 3D printer |
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| CN210706063U true CN210706063U (en) | 2020-06-09 |
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| CN201921100301.6U Active CN210706063U (en) | 2019-07-12 | 2019-07-12 | Simplified rectangular coordinate desktop 3D printer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113829622A (en) * | 2021-09-06 | 2021-12-24 | 汕头市恒汕建筑工程有限公司 | BIM-based 3D printing device for printing house |
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- 2019-07-12 CN CN201921100301.6U patent/CN210706063U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113829622A (en) * | 2021-09-06 | 2021-12-24 | 汕头市恒汕建筑工程有限公司 | BIM-based 3D printing device for printing house |
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