CN109291701B - High-precision drawing device - Google Patents
High-precision drawing device Download PDFInfo
- Publication number
- CN109291701B CN109291701B CN201811411839.9A CN201811411839A CN109291701B CN 109291701 B CN109291701 B CN 109291701B CN 201811411839 A CN201811411839 A CN 201811411839A CN 109291701 B CN109291701 B CN 109291701B
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- Prior art keywords
- pen clamping
- unit
- pen
- motor
- lifting
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- 230000007246 mechanism Effects 0.000 claims abstract description 88
- 238000001514 detection method Methods 0.000 claims abstract description 43
- 238000009434 installation Methods 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000003028 elevating effect Effects 0.000 claims description 2
- 230000005012 migration Effects 0.000 claims description 2
- 238000013508 migration Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 3
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L13/00—Drawing instruments, or writing or drawing appliances or accessories not otherwise provided for
Abstract
The high-precision drawing device comprises a pen clamping unit, a pen clamping unit driving mechanism, a horizontal moving unit and a lifting unit, wherein the horizontal moving unit is arranged on the lifting unit; the horizontal moving unit comprises a rotating platform and a rotating platform driving mechanism, the rotating platform is rotatably arranged on the lifting unit, the pen clamping unit comprises a pen clamping rotating shaft, a rotatable rod and a pen clamping mechanism, the pen clamping rotating shaft is rotatably arranged on the rotating platform, the rear end of the rotatable rod is fixed on the pen clamping rotating shaft, the pen clamping mechanism is arranged at the front end of the rotatable rod, and the pen clamping unit driving mechanism is connected with the pen clamping rotating shaft; a first starting point detection mechanism is arranged between the pen clamping mechanism and the rotating platform, and a second starting point detection mechanism is arranged between the lifting unit and the rotating platform. The invention finds the starting point first every time of drawing, effectively ensures the drawing accuracy, effectively avoids the damage of components, and has reasonable structure, lower cost and good effect.
Description
Technical Field
The present invention relates to a drawing apparatus, and more particularly, to a high-precision drawing device.
Background
Currently, the conventional drawing device generally adopts a scheme of combining longitudinal movement and transverse movement, which results in complex structure, large volume and narrow application range.
Some people adopt a quadrilateral connecting rod mechanism to replace the method, but the method can only finish drawing once and can not draw for many times because the starting point cannot be determined, and in order to ensure that the position and the direction of the pattern on the drawing paper are correct, the drawing paper can be adjusted to realize the drawing, so that the method is very troublesome; in addition, once the two motors are erroneously fitted, the equipment (especially the quadrangular linkage) is easily damaged.
Disclosure of Invention
An object of the present invention is to provide a high-precision drawing apparatus capable of drawing on a drawing sheet accurately. The technical scheme adopted is as follows:
the utility model provides a high accuracy drawing device, includes clamp pen unit, presss from both sides pen unit actuating mechanism, horizontal migration unit and elevating system, its characterized in that: the pen clamping unit and the pen clamping unit driving mechanism are respectively arranged on the horizontal moving unit; the horizontal moving unit comprises a rotating platform and a rotating platform driving mechanism, the rotating platform is rotatably arranged on the lifting unit, the rotating platform driving mechanism is arranged on the rotating platform, the pen clamping unit comprises a pen clamping rotating shaft, a rotatable rod and a pen clamping mechanism, the pen clamping rotating shaft is rotatably arranged on the rotating platform, the rear end of the rotatable rod is fixed on the pen clamping rotating shaft, the pen clamping mechanism is arranged at the front end of the rotatable rod, and the pen clamping unit driving mechanism is connected with the pen clamping rotating shaft; a first starting point detection mechanism is arranged between the pen clamping mechanism and the rotating platform, and a second starting point detection mechanism is arranged between the lifting unit and the rotating platform. And if the first starting point detection mechanism and the second starting point detection mechanism both detect detection signals, the pen (namely the pen clamping mechanism) is at the starting point.
Preferably, the high-precision drawing device further comprises a control device, the first starting point detection mechanism outputs a first detection signal, the second starting point detection mechanism outputs a second detection signal, the control device receives the first detection signal and the second detection signal, and the control device respectively controls the rotary platform driving mechanism, the pen clamping unit driving mechanism and the lifting unit to work after processing.
The preferred scheme, the lifting unit includes supporting seat, installation axle, spring, lift power unit, and the installation axle is fixed on the supporting seat, and rotary platform cover is established on the installation axle, and the spring cover is epaxial and the spring both ends are supported rotary platform, supporting seat respectively, and lift power unit installs on the installation axle to lift power unit connects rotary platform. In the initial state, the force of the spring forces the rotary platform to be at an initial position (high position), when the lifting unit drives the rotary platform to overcome the force of the spring and descend to a working position (low position), the pen clamped by the pen clamping mechanism can draw on the drawing paper, and after drawing is completed, the lifting unit drives the rotary platform to ascend to the initial position under the force of the spring.
More preferably, the lifting power mechanism comprises a lifting motor, a cam and a push rod, wherein the lifting motor is arranged at the top end of the installation shaft, an output shaft of the lifting motor extends along the horizontal direction, the cam is arranged on the output shaft of the lifting motor, the push rod is vertically arranged and can be slidably arranged on the installation shaft, the peripheral surface of the cam is propped against the top end of the push rod, and the bottom end of the push rod is propped against the rotary platform.
The preferred scheme, rotary platform actuating mechanism includes horizontal motor, driving gear, and horizontal motor installs in rotary platform bottom surface, and horizontal motor output shaft sets up perpendicularly and upwards passes rotary platform from the bottom, and driving gear installs on horizontal motor output shaft, the installation axle top is fixed with driven gear, driving gear and driven gear meshing. Thus, the horizontal motor rotates to drive the rotary platform to rotate around the mounting shaft.
In a more preferable scheme, the horizontal motor is a stepping motor.
Preferably, the pen clamping unit driving mechanism comprises a pen clamping unit driving motor, a first bevel gear and a second bevel gear, wherein the pen clamping unit driving motor is fixed on the rotary platform, the first bevel gear is arranged on an output shaft of the pen clamping unit driving motor, the second bevel gear is arranged at the top end of a pen clamping rotating shaft, and the first bevel gear and the second bevel gear are meshed.
In a more preferable scheme, the pen clamping unit driving motor is a stepping motor.
Preferably, the pen clamping mechanism is a pen clamping ring.
Preferably, the first starting point detection mechanism comprises a first magnet and a first Hall sensor, the first magnet is arranged on the pen clamping mechanism, and the first Hall sensor is arranged on the outer edge of the rotary platform.
Preferably, the second starting point detection mechanism comprises a second magnet and a second Hall sensor, the second magnet is installed on the lifting unit, and the second Hall sensor is installed on the inner edge of the rotary platform.
Compared with the prior art, the invention has the beneficial effects that as the two rotating mechanisms are adopted to realize drawing and the starting point detection mechanism consisting of the magnet and the Hall sensor is adopted to determine the starting point, the starting point is found out first in each drawing, thereby effectively ensuring the accuracy of drawing, effectively avoiding the damage of parts, and having reasonable structure, lower cost and very good effect.
Drawings
FIG. 1 is a schematic view of the construction of a preferred embodiment of the present invention;
fig. 2 is a schematic block diagram of the circuitry of the preferred embodiment of the present invention.
Detailed Description
As shown in fig. 1 and 2, the high-precision drawing device in the preferred embodiment includes a pen-holding unit 1, a pen-holding unit driving mechanism 2, a horizontal moving unit 3, and a lifting unit 4, the horizontal moving unit 3 is mounted on the lifting unit 4, and the pen-holding unit 1 and the pen-holding unit driving mechanism 2 are respectively mounted on the horizontal moving unit 3.
The horizontal moving unit 3 comprises a rotating platform 301 and a rotating platform driving mechanism 302, the rotating platform 301 is rotatably arranged on the lifting unit 4, the rotating platform driving mechanism 302 is arranged on the rotating platform 301, the pen clamping unit 1 comprises a pen clamping rotating shaft 101, a rotatable rod 102 and a pen clamping mechanism 103, the pen clamping rotating shaft 101 is rotatably arranged on the rotating platform 301, the rear end of the rotatable rod 102 is fixed on the pen clamping rotating shaft 101, the pen clamping mechanism 103 is arranged at the front end of the rotatable rod 102, and the pen clamping unit driving mechanism 2 is connected with the pen clamping rotating shaft 101; a first starting point detection mechanism 5 is arranged between the pen clamping mechanism 103 and the rotary platform 301, and a second starting point detection mechanism 6 is arranged between the lifting unit 4 and the rotary platform 301. When the first start point detection means 5 and the second start point detection means 6 both detect the detection signal, the pen (i.e., the pen pinching means 103) is at the start point.
The high-precision drawing device further comprises a control device, the first starting point detection mechanism 5 outputs a first detection signal, the second starting point detection mechanism 6 outputs a second detection signal, the control device receives the first detection signal and the second detection signal, and the control device respectively controls the rotary platform driving mechanism 302, the pen clamping unit driving mechanism 2 and the lifting unit 4 to work after processing.
The lifting unit 4 comprises a supporting seat 401, a mounting shaft 402, a spring 403 and a lifting power mechanism 404, wherein the mounting shaft 402 is fixed on the supporting seat 401, the rotary platform 301 is sleeved on the mounting shaft 402, the spring 403 is sleeved on the mounting shaft 402, two ends of the spring 403 respectively prop against the rotary platform 301 and the supporting seat 401, the lifting power mechanism 404 is mounted on the mounting shaft 402, and the lifting power mechanism 404 is connected with the rotary platform 301. In the initial state, the force of the spring 403 forces the rotary platform 301 to be at the initial position (high position), when the lifting unit 4 drives the rotary platform 301 to drop to the working position (low position) against the force of the spring 403, the pen clamped by the pen clamping mechanism 103 can draw on the drawing paper, and after drawing, the lifting unit 4 drives the rotary platform 301 to lift to the initial position under the force of the spring 403.
The lifting power mechanism 404 comprises a lifting motor 4041, a cam 4042 and a push rod 4043, the lifting motor 4041 is mounted at the top end of the mounting shaft 402, the output shaft of the lifting motor 4041 extends along the horizontal direction, the cam 4042 is mounted on the output shaft of the lifting motor 4041, the push rod 4043 is vertically arranged and slidably mounted on the mounting shaft 402, the peripheral surface of the cam 4042 abuts against the top end of the push rod 4043, and the bottom end of the push rod 4043 abuts against the rotary platform 301.
The lifting motor 4041 is a stepper motor.
The rotary platform driving mechanism 302 comprises a horizontal motor 3021 and a driving gear 3022, the horizontal motor 3021 is mounted on the bottom surface of the rotary platform 301, an output shaft of the horizontal motor 3021 is vertically arranged and penetrates through the rotary platform 301 from bottom to top, the driving gear 3022 is mounted on the output shaft of the horizontal motor 3021, a driven gear 405 is fixed on the top of the mounting shaft 402, and the driving gear 3022 is meshed with the driven gear 405. Thus, the horizontal motor 3021 rotates to drive the rotary platform 301 to rotate around the mounting shaft 402. In this embodiment, the driven gear 405 has a through hole, and the push rod 4043 is vertically disposed in the through hole. In order to perform a better positioning function, the top surface of the driven gear 405 is further provided with a positioning sleeve 4051, and the push rod 4043 is arranged in the positioning sleeve 4051.
The horizontal motor 3021 is a stepping motor.
The pen clamping unit driving mechanism 2 comprises a pen clamping unit driving motor 201, a first bevel gear 202 and a second bevel gear 203, wherein the pen clamping unit driving motor 201 is fixed on a rotating platform 301, the first bevel gear 202 is arranged on an output shaft of the pen clamping unit driving motor 201, the second bevel gear 203 is arranged at the top end of the pen clamping rotating shaft 101, and the first bevel gear 202 and the second bevel gear 203 are meshed.
The pen-holding unit driving motor 201 is a stepping motor.
The pen clamping mechanism 103 is a pen clamping ring.
The first starting point detection mechanism 5 comprises a first magnet 501 and a first Hall sensor 502, the first magnet 501 is arranged on the pen clamping mechanism 103, and the first Hall sensor 502 is arranged on the outer edge of the rotary platform 301.
The second starting point detection mechanism 6 comprises a second magnet 601 and a second hall sensor 602, the second magnet 601 is mounted on the lifting unit 4 (the driven gear 405), and the second hall sensor 602 is mounted on the inner edge of the rotary platform 301.
Because the stepping motor does not have the function of determining zero position and cannot determine the absolute angle of rotation of the rotating platform and the pen clamping mechanism, the zero point needs to be positioned, and the stepping motor is ensured to have a reference starting point angle. The embodiment adopts a Hall sensor and electromagnet positioning scheme. The second magnet 601 is fixed on the edge of the driven gear 405, the driven gear 405 is fixed, the second hall sensor 602 is fixed on the rotating platform 301, and the rotating platform 301 rotates around the central axis of the driven gear 405. Therefore, when the rotary platform 301 rotates to a certain angle, the second hall sensor 602 and the second magnet 601 are opposite to each other, and the second hall sensor 602 receives the magnetic force change signal, so that the magnetic force change signal can be used as a zero position of the rotary platform.
The first magnet 501 is fixed to an edge of the pen holding mechanism 103, and the first hall sensor 502 is fixed to the rotary table 301. When the first hall sensor 502 and the first magnet 501 are opposite to each other, the first hall sensor 502 receives the magnetic force change signal, so that the magnetic force change signal can be used as a zero position of the pen clamping mechanism 103.
Before starting the work (or when finishing the work), the control device drives the pen clamping unit driving motor 201 and the horizontal motor 3021 to work, when the control device receives the first detection signal and the second detection signal, the pen clamping unit driving motor 201 and the horizontal motor 3021 are stopped to work, and after confirming that a pen returns to the starting point, the drawing is convenient.
In addition, it should be noted that, in the specific embodiments described in the present specification, names of various parts and the like may be different, and all equivalent or simple changes of the structures, features and principles described in the conception of the present invention are included in the protection scope of the present invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions in a similar manner without departing from the scope of the invention as defined in the accompanying claims.
Claims (4)
1. The utility model provides a high accuracy drawing device, includes clamp pen unit, presss from both sides pen unit actuating mechanism, horizontal migration unit and elevating system, its characterized in that: the pen clamping unit and the pen clamping unit driving mechanism are respectively arranged on the horizontal moving unit; the horizontal moving unit comprises a rotating platform and a rotating platform driving mechanism, the rotating platform is rotatably arranged on the lifting unit, the rotating platform driving mechanism is arranged on the rotating platform, the pen clamping unit comprises a pen clamping rotating shaft, a rotatable rod and a pen clamping mechanism, the pen clamping rotating shaft is rotatably arranged on the rotating platform, the rear end of the rotatable rod is fixed on the pen clamping rotating shaft, the pen clamping mechanism is arranged at the front end of the rotatable rod, and the pen clamping unit driving mechanism is connected with the pen clamping rotating shaft; a first starting point detection mechanism is arranged between the pen clamping mechanism and the rotary platform, and a second starting point detection mechanism is arranged between the lifting unit and the rotary platform; the lifting unit comprises a supporting seat, a mounting shaft, a spring and a lifting power mechanism, wherein the mounting shaft is fixed on the supporting seat, the rotating platform is sleeved on the mounting shaft, the spring is sleeved on the mounting shaft, two ends of the spring respectively prop against the rotating platform and the supporting seat, the lifting power mechanism is mounted on the mounting shaft, and the lifting power mechanism is connected with the rotating platform; the rotary platform driving mechanism comprises a horizontal motor and a driving gear, the horizontal motor is arranged on the bottom surface of the rotary platform, an output shaft of the horizontal motor is vertically arranged and penetrates through the rotary platform from bottom to top, the driving gear is arranged on the output shaft of the horizontal motor, a driven gear is fixed on the top of the mounting shaft, and the driving gear is meshed with the driven gear; the high-precision drawing device further comprises a control device, wherein the first starting point detection mechanism outputs a first detection signal, the second starting point detection mechanism outputs a second detection signal, the control device receives the first detection signal and the second detection signal, and the control device respectively controls the rotary platform driving mechanism, the pen clamping unit driving mechanism and the lifting unit to work after processing the first detection signal and the second detection signal; the lifting power mechanism comprises a lifting motor, a cam and a push rod, wherein the lifting motor is arranged at the top end of the installation shaft, an output shaft of the lifting motor extends along the horizontal direction, the cam is arranged on the output shaft of the lifting motor, the push rod is vertically arranged and can be slidably arranged on the installation shaft, the peripheral surface of the cam is propped against the top end of the push rod, and the bottom end of the push rod is propped against the rotary platform; the pen clamping unit driving mechanism comprises a pen clamping unit driving motor, a first bevel gear and a second bevel gear, wherein the pen clamping unit driving motor is fixed on the rotating platform, the first bevel gear is arranged on an output shaft of the pen clamping unit driving motor, the second bevel gear is arranged at the top end of a pen clamping rotating shaft, and the first bevel gear and the second bevel gear are meshed; the first starting point detection mechanism comprises a first magnet and a first Hall sensor, the first magnet is arranged on the pen clamping mechanism, and the first Hall sensor is arranged on the outer edge of the rotary platform; the second starting point detection mechanism comprises a second magnet and a second Hall sensor, the second magnet is installed on the lifting unit, and the second Hall sensor is installed on the inner edge of the rotary platform.
2. The high precision drawing device according to claim 1, wherein: the horizontal motor is a stepping motor.
3. The high precision drawing device according to claim 1, wherein: the pen clamping unit driving motor is a stepping motor.
4. The high precision drawing device according to claim 1, wherein: the pen clamping mechanism is a pen clamping ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811411839.9A CN109291701B (en) | 2018-11-25 | 2018-11-25 | High-precision drawing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811411839.9A CN109291701B (en) | 2018-11-25 | 2018-11-25 | High-precision drawing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109291701A CN109291701A (en) | 2019-02-01 |
| CN109291701B true CN109291701B (en) | 2023-12-26 |
Family
ID=65143806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811411839.9A Active CN109291701B (en) | 2018-11-25 | 2018-11-25 | High-precision drawing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109291701B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110154594B (en) * | 2019-06-19 | 2024-05-03 | 绘笔教育科技(深圳)有限责任公司 | Image-text drawing device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1341678A (en) * | 1971-02-08 | 1973-12-25 | Saab Scania Ab | System for communicating pictorial information |
| JPH07266794A (en) * | 1994-03-31 | 1995-10-17 | Roland D G Kk | Recording pen replacement error correcting device for plotter |
| JP2006062052A (en) * | 2004-08-30 | 2006-03-09 | Gifu Prefecture | Robot teaching system |
| CN105329029A (en) * | 2015-12-09 | 2016-02-17 | 中国矿业大学 | Parameter-adjustable cam profile drawing instrument based on relative motion principle |
| CN206653812U (en) * | 2017-01-23 | 2017-11-21 | 合肥安达创展科技股份有限公司 | A kind of adaptive height hard-tipped pen drawing plane equipment of robot |
| CN107717935A (en) * | 2017-11-15 | 2018-02-23 | 佛山迅奥捷自动化科技有限公司 | A kind of five metalworking steel plate telltale mark mechanisms for rotating horizontally regulation |
| CN108437663A (en) * | 2018-06-11 | 2018-08-24 | 深圳市盖范教育科技有限公司 | A kind of mechanical arm drawing mechanism |
| CN209274227U (en) * | 2018-11-25 | 2019-08-20 | 杨敦钿 | High-precision plotting unit |
-
2018
- 2018-11-25 CN CN201811411839.9A patent/CN109291701B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1341678A (en) * | 1971-02-08 | 1973-12-25 | Saab Scania Ab | System for communicating pictorial information |
| JPH07266794A (en) * | 1994-03-31 | 1995-10-17 | Roland D G Kk | Recording pen replacement error correcting device for plotter |
| JP2006062052A (en) * | 2004-08-30 | 2006-03-09 | Gifu Prefecture | Robot teaching system |
| CN105329029A (en) * | 2015-12-09 | 2016-02-17 | 中国矿业大学 | Parameter-adjustable cam profile drawing instrument based on relative motion principle |
| CN206653812U (en) * | 2017-01-23 | 2017-11-21 | 合肥安达创展科技股份有限公司 | A kind of adaptive height hard-tipped pen drawing plane equipment of robot |
| CN107717935A (en) * | 2017-11-15 | 2018-02-23 | 佛山迅奥捷自动化科技有限公司 | A kind of five metalworking steel plate telltale mark mechanisms for rotating horizontally regulation |
| CN108437663A (en) * | 2018-06-11 | 2018-08-24 | 深圳市盖范教育科技有限公司 | A kind of mechanical arm drawing mechanism |
| CN209274227U (en) * | 2018-11-25 | 2019-08-20 | 杨敦钿 | High-precision plotting unit |
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| Publication number | Publication date |
|---|---|
| CN109291701A (en) | 2019-02-01 |
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Effective date of registration: 20200827 Address after: 515000 Xingda industrial district, Chenghai District, Shantou, Guangdong Applicant after: Guangdong Albtross toy Industrial Co.,Ltd. Address before: 515000 No. 1 Renshun Lane, Donghu, Fengxiang Street, Chenghai District, Shantou City, Guangdong Province Applicant before: Yang Dundian |
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