CN211467498U - AB axle structure of five-axis linkage 3D printer - Google Patents
AB axle structure of five-axis linkage 3D printer Download PDFInfo
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- CN211467498U CN211467498U CN201922262624.1U CN201922262624U CN211467498U CN 211467498 U CN211467498 U CN 211467498U CN 201922262624 U CN201922262624 U CN 201922262624U CN 211467498 U CN211467498 U CN 211467498U
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Abstract
The utility model discloses an AB shaft structure of a five-shaft linkage 3D printer, which comprises a bottom plate, wherein the upper surface of the bottom plate is symmetrically provided with two groups of lifting components, two groups of lifting components are in transmission connection with a lifting driving component, two groups of lifting components are fixedly provided with a bracket between which a lead screw is arranged, the two groups of lifting components comprise lead screws, the surface of the lead screws are in threaded connection with rotary sleeves, the rotary sleeves are in rotary connection with positioning plates which are fixedly arranged at two sides of the bracket, the lead screws are fixedly arranged at one end close to the bottom plate and are fixedly provided with first bevel gears, the lifting driving components comprise first motors, two groups of output shaft ends of the first motors are fixedly provided with rotating shafts, two groups of rotating shafts are respectively far away from one end of the first motor and are fixedly provided with second bevel gears, the second bevel, realize five-axis linkage 3D and print, improve the machining precision.
Description
Technical Field
The utility model relates to a 3D printer technical field specifically is an AB axle construction of five-axis linkage 3D printer.
Background
3D prints and has brought the world manufacturing revolution, has overturned traditional mode of production, needs a 3D printer that can realize multiaxis and print urgently. Traditional three-dimensional printing device generally adopts screw drive, and the removal of the three direction of x, y, the z axle of head is extruded in the control, and work efficiency is low to because of the limitation of triaxial printing and material, unsettled structure very easily collapses appears in the object, and the design exists not enoughly, can not satisfy the application demand in many fields.
The existing mature 3D printer only stops 3-axis printing, and the five-axis printing greatly expands the application of 3D printing. Because the object is constructed by accumulative manufacturing and layer-by-layer printing, although the section of each layer of printing is very thin, the improvement of the resolution ratio in the X-Y direction is greatly limited, a first-level step with certain thickness can be formed, if the surface of the object to be printed is a curved arc, precision deviation can be caused, and the object with smooth surface and high resolution can be obtained by surface polishing; the surface machining quality can be greatly improved by adopting the five-axis linkage 3D printer.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an AB shaft structure of a five-shaft linkage 3D printer, which is characterized in that a lifting component and a transmission component are sequentially arranged on a bottom plate to respectively drive a printing platform to lift and adjust the angle, thereby improving the surface processing precision; set up motor direct drive in print platform bottom and be convenient for drive print platform rotatory, increase the space control scope that whole 3D printed, realize five-axis linkage 3D and print the action to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: an AB shaft structure of a five-axis linkage 3D printer comprises a bottom plate, wherein two groups of lifting assemblies are symmetrically arranged on the upper surface of the bottom plate, a lifting driving assembly is connected between the two groups of lifting assemblies in a transmission manner, and a towing bracket is fixedly arranged between the two groups of lifting assemblies;
the two groups of lifting assemblies respectively comprise a screw rod, the surface of the screw rod is in threaded connection with a rotary sleeve, the rotary sleeve is rotatably connected with positioning plates, the positioning plates are fixedly arranged on two sides of the towing bracket, and one end, close to the bottom plate, of the screw rod is fixedly provided with a first bevel gear;
the lifting driving assembly comprises a first motor, rotating shafts are fixedly mounted at two groups of output shaft ends of the first motor, second bevel gears are fixedly mounted at one ends of the two groups of rotating shafts, which are far away from the first motor, respectively, and the second bevel gears are meshed with the first bevel gears;
a printing platform is arranged in the towing bracket, a second motor is fixedly arranged at the bottom of the printing platform, two sides of the second motor are fixedly arranged in the towing bracket through connecting blocks, a transmission assembly is fixedly arranged on one side of the towing bracket, and a third motor is fixedly arranged on one side of the transmission assembly;
the transmission assembly comprises a first synchronous belt wheel and a second synchronous belt wheel, a synchronous belt is connected between the first synchronous belt wheel and the second synchronous belt wheel in a transmission mode, and the second synchronous belt wheel is fixedly installed at the output shaft end of the third motor.
Preferably, two sets of locating pieces are symmetrically installed on the upper surface of the bottom plate, and two sets of rotating shafts respectively penetrate through the two sets of locating pieces and are rotatably installed in the two sets of locating pieces through bearings.
Preferably, the bracket comprises a supporting plate and two groups of vertical plates symmetrically arranged on the upper surface of the supporting plate.
Preferably, a connecting plate is fixedly mounted on one side of the vertical plate, bearing seats are fixedly mounted on the lower surface of the connecting plate and the upper surface of the bottom plate, two ends of the screw rod are fixedly mounted in the bearing seats, and the positioning plate is also fixedly mounted on one side of the vertical plate and located below the connecting plate.
Preferably, a small shaft is fixedly installed in the first synchronous belt pulley, the small shaft is rotatably installed in the vertical plate through a bearing, the connecting blocks are fixedly installed at one ends, far away from the first synchronous belt pulley, of the small shafts, the bottom portions of the two groups of connecting blocks are fixedly installed with fixing plates, and the second motor is fixedly installed in the middle of the fixing plates.
Preferably, the first motor, the second motor and the third motor are all servo motors, wherein the first motor is a dual-output-shaft servo motor.
Preferably, a groove is formed in the vertical plate at the mounting position of the third motor, the output end of the third motor is slidably mounted in the groove, and an adjusting assembly is arranged at the top of the third motor.
Preferably, the adjusting assembly comprises an adjusting block, the adjusting block is fixedly installed on one side of the vertical plate, an adjusting bolt is screwed in the adjusting block, and one end of the adjusting bolt is attached to the top of the third motor.
Preferably, a through hole is formed in the connecting block, the small shaft penetrates through the through hole, and a cutting groove is formed in the middle position of the through hole.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the lifting assembly and the transmission assembly are sequentially arranged on the bottom plate and respectively drive the printing platform to lift and adjust the angle, so that the surface machining precision is improved;
2. set up motor direct drive in print platform bottom and be convenient for drive print platform rotatory, increase the space control scope that whole 3D printed, realize five-axis linkage 3D and print the action.
Drawings
Fig. 1 is a schematic view of the structure of the present invention;
fig. 2 is a schematic view of a three-dimensional structure of a printing platform with a reversed main view direction;
FIG. 3 is a schematic side view of the present invention;
fig. 4 is a schematic view of the printing platform with a flip-up viewing direction three-dimensional structure;
fig. 5 is a schematic view of the three-dimensional structure of the connecting block of the present invention.
In the figure: 1. a base plate; 101. positioning blocks; 2. a lifting assembly; 201. a screw rod; 202. a rotating sleeve; 203. positioning a plate; 204. a first bevel gear; 205. a second bevel gear; 3. a lift drive assembly; 301. a first motor; 302. a rotating shaft; 4. a towing bracket; 401. a support plate; 402. a vertical plate; 403. a connecting plate; 404. a bearing seat; 405. a groove; 5. a printing platform; 6. a second motor; 7. connecting blocks; 701. a through hole; 702. cutting the groove; 8. a transmission assembly; 801. a first timing pulley; 802. a second timing pulley; 803. a synchronous belt; 804. a small shaft; 805. a fixing plate; 9. a third motor; 10. an adjustment assembly; 1001. an adjusting block; 1002. and adjusting the bolt.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.
Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a five-axis linkage 3D printer's AB axle structure, includes bottom plate 1, 1 upper surface symmetry of bottom plate is provided with two sets of elevating system 2, and is two sets of the transmission is connected with lift drive assembly 3 between elevating system 2, and is two sets of fixed mounting has carriage 4 between elevating system 2, carriage 4 includes that layer board 401 and symmetry install in two sets of risers 402 of layer board 401 upper surface.
The two groups of lifting assemblies 2 respectively comprise a screw rod 201, the surface of the screw rod 201 is in threaded connection with a rotary sleeve 202, the rotary sleeve 202 is rotatably connected with a positioning plate 203, the positioning plates 203 are fixedly arranged on two sides of the bracket 4, one end, close to the bottom plate 1, of the screw rod 201 is fixedly provided with a first bevel gear 204, one side of the vertical plate 402 is fixedly provided with a connecting plate 403, the lower surface of the connecting plate 403 and the upper surface of the bottom plate 1 are respectively and fixedly provided with a bearing seat 404, two ends of the screw rod 201 are respectively and fixedly arranged in the bearing seats 404, and the positioning plate 203 is also fixedly arranged.
The lifting driving assembly 3 comprises a first motor 301, two groups of output shaft ends of the first motor 301 are fixedly provided with rotating shafts 302, the two groups of rotating shafts 302 are respectively far away from one end of the first motor 301 and are fixedly provided with second bevel gears 205, the second bevel gears 205 are meshed with first bevel gears 204, two groups of positioning blocks 101 are symmetrically arranged on the upper surface of the bottom plate 1, and the two groups of rotating shafts 302 respectively penetrate through the two groups of positioning blocks 101 and are rotatably arranged in the two groups of positioning blocks 101 through bearings.
A printing platform 5 is arranged in the bracket 4, a second motor 6 is fixedly arranged at the bottom of the printing platform 5, both sides of the second motor 6 are fixedly arranged in the towing bracket 4 through connecting blocks 7, one side of the towing bracket 4 is fixedly provided with a transmission component 8, a third motor 9 is fixedly arranged on one side of the transmission assembly 8, a groove 405 is arranged in the vertical plate 402 at the position where the third motor 9 is arranged, the output end of the third motor 9 is slidably mounted in the groove 405, the top of the third motor 9 is provided with an adjusting component 10, the adjusting assembly 10 comprises an adjusting block 1001, the adjusting block 1001 is fixedly installed on one side of the vertical plate 402, and adjusting bolt 1002 has been threaded connection in adjusting block 1001, adjusting bolt 1002 one end laminating sets up in third motor 9 top, and rotatory adjusting bolt 1002 pushes up third motor 9 tightly, makes it slide to hold-in range 803 and expand tightly completely in recess 405.
The transmission assembly 8 comprises a first synchronous pulley 801 and a second synchronous pulley 802, a synchronous belt 803 is connected between the first synchronous pulley 801 and the second synchronous pulley 802 in a transmission manner, the second synchronous pulley 802 is fixedly mounted at an output shaft end of a third motor 9, a small shaft 804 is fixedly mounted in the first synchronous pulley 801, a through hole 701 is formed in the connecting block 7, the small shaft 804 penetrates through the through hole 701, a cutting groove 702 is formed in the center of the through hole 701, the small shaft 804 is tightly held by the cutting groove 702, and a fixing plate 805 is driven to drive the printing platform 5 to turn when the synchronous belt 803 is used for transmission; the small shaft 804 is rotatably installed in the vertical plate 402 through a bearing, the connecting blocks 7 are fixedly installed at one end, far away from the first synchronous belt pulley 801, of the small shaft 804, error range between the center line of the first synchronous belt pulley 801 and the printing platform 5 is guaranteed to be within +/-1 mm, fixing plates 805 are fixedly installed at the bottoms of the two groups of connecting blocks 7, the second motor 6 is fixedly installed in the middle of the fixing plate 805, the first motor 301, the second motor 6 and the third motor 9 are all servo motors, and the first motor 301 is a double-output shaft type servo motor.
The rotation axis of the printing platform 5 and the central line of the rotating shaft of the second motor 6 are on the same straight line, so that the stability of static balance control of the printing platform 5 is ensured.
The structure principle is as follows: set gradually lifting unit 2 and transmission assembly 8 on bottom plate 1, during the use, first motor 301 passes through bevel gear drive lead screw 201 and rotates, it slides from top to bottom to drive carriage 4, thereby it goes up and down to drive print platform 5, it is rotatory to start third motor 9 and drive synchronous pulley, it overturns to drive print platform 5 through connecting block 7, thereby change print platform 5's angle of cut skew, print platform 5 can realize 90 turnover angle, it is rotatory to set up second motor 6 direct drive and is convenient for drive print platform 5 in print platform 5 bottom, as required, first motor 301, second motor 6 and third motor 9 start simultaneously, the space control range that multiplicable whole 3D printed, realize the five-axis linkage that 3D printed, improve the product and print the precision.
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 (9)
1. The utility model provides a AB axle structure of five-axis linkage 3D printer, includes bottom plate (1), its characterized in that: two groups of lifting assemblies (2) are symmetrically arranged on the upper surface of the bottom plate (1), a lifting driving assembly (3) is connected between the two groups of lifting assemblies (2) in a transmission manner, and a towing bracket (4) is fixedly arranged between the two groups of lifting assemblies (2);
the two groups of lifting assemblies (2) respectively comprise a screw rod (201), the surface of the screw rod (201) is in threaded connection with a rotary sleeve (202), the rotary sleeve (202) is rotatably connected with a positioning plate (203), the positioning plates (203) are fixedly arranged on two sides of the bracket (4), and a first bevel gear (204) is fixedly arranged at one end, close to the bottom plate (1), of the screw rod (201);
the lifting driving assembly (3) comprises a first motor (301), two groups of output shaft ends of the first motor (301) are fixedly provided with rotating shafts (302), one ends of the two groups of rotating shafts (302) far away from the first motor (301) are respectively fixedly provided with second bevel gears (205), and the second bevel gears (205) are meshed with the first bevel gears (204);
a printing platform (5) is arranged in the towing bracket (4), a second motor (6) is fixedly installed at the bottom of the printing platform (5), two sides of the second motor (6) are fixedly installed in the towing bracket (4) through connecting blocks (7), a transmission assembly (8) is fixedly installed on one side of the towing bracket (4), and a third motor (9) is fixedly installed on one side of the transmission assembly (8);
the transmission assembly (8) comprises a first synchronous pulley (801) and a second synchronous pulley (802), a synchronous belt (803) is connected between the first synchronous pulley (801) and the second synchronous pulley (802) in a transmission mode, and the second synchronous pulley (802) is fixedly installed at the output shaft end of a third motor (9).
2. The AB shaft structure of the five-shaft linkage 3D printer according to claim 1, characterized in that: two sets of locating pieces (101) are symmetrically installed on the upper surface of the bottom plate (1), and two sets of rotating shafts (302) respectively penetrate through the two sets of locating pieces (101) and are rotatably installed in the two sets of locating pieces (101) through bearings.
3. The AB shaft structure of the five-shaft linkage 3D printer according to claim 1, characterized in that: the bracket (4) comprises a supporting plate (401) and two groups of vertical plates (402) which are symmetrically arranged on the upper surface of the supporting plate (401).
4. The AB shaft structure of the five-shaft linkage 3D printer according to claim 3, characterized in that: the connecting plate (403) is fixedly mounted on one side of the vertical plate (402), the bearing seats (404) are fixedly mounted on the lower surface of the connecting plate (403) and the upper surface of the bottom plate (1), two ends of the screw rod (201) are fixedly mounted in the bearing seats (404), and the positioning plate (203) is also fixedly mounted on one side of the vertical plate (402) and located below the connecting plate (403).
5. The AB shaft structure of the five-shaft linkage 3D printer according to claim 3, characterized in that: the inner side of the first synchronous pulley (801) is fixedly provided with a small shaft (804), the small shaft (804) is rotatably arranged in a vertical plate (402) through a bearing, the connecting block (7) is fixedly arranged at one end, far away from the first synchronous pulley (801), of the small shaft (804), the bottoms of the two groups of connecting blocks (7) are fixedly provided with a fixing plate (805), and the second motor (6) is fixedly arranged in the fixing plate (805) at the center.
6. The AB shaft structure of the five-shaft linkage 3D printer according to claim 1, characterized in that: the first motor (301), the second motor (6) and the third motor (9) are all servo motors, wherein the first motor (301) is a double-output-shaft servo motor.
7. The AB shaft structure of the five-shaft linkage 3D printer according to claim 3, characterized in that: a groove (405) is formed in the vertical plate (402) at the mounting position of a third motor (9), the output end of the third motor (9) is slidably mounted in the groove (405), and an adjusting assembly (10) is arranged at the top of the third motor (9).
8. The AB shaft structure of the five-shaft linkage 3D printer according to claim 7, characterized in that: the adjusting assembly (10) comprises an adjusting block (1001), the adjusting block (1001) is fixedly installed on one side of the vertical plate (402), an adjusting bolt (1002) is threaded in the adjusting block (1001), and one end of the adjusting bolt (1002) is attached to the top of the third motor (9).
9. The AB shaft structure of the five-shaft linkage 3D printer according to claim 5, characterized in that: a through hole (701) is formed in the connecting block (7), the small shaft (804) penetrates through the through hole (701), and a cutting groove (702) is formed in the center of the through hole (701).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922262624.1U CN211467498U (en) | 2019-12-16 | 2019-12-16 | AB axle structure of five-axis linkage 3D printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922262624.1U CN211467498U (en) | 2019-12-16 | 2019-12-16 | AB axle structure of five-axis linkage 3D printer |
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| Publication Number | Publication Date |
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| CN211467498U true CN211467498U (en) | 2020-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922262624.1U Active CN211467498U (en) | 2019-12-16 | 2019-12-16 | AB axle structure of five-axis linkage 3D printer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112829294A (en) * | 2020-12-22 | 2021-05-25 | 芜湖市爱三迪电子科技有限公司 | Turnover type printing platform for 3D printer |
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2019
- 2019-12-16 CN CN201922262624.1U patent/CN211467498U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112829294A (en) * | 2020-12-22 | 2021-05-25 | 芜湖市爱三迪电子科技有限公司 | Turnover type printing platform for 3D printer |
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