Spraying device of tablet machine of coating machine and control method
阅读说明：本技术 包衣机片床喷雾装置和控制方法 (Spraying device of tablet machine of coating machine and control method ) 是由 方策 李挺 汪冬焱 吴国桥 吴武通 蒋伟国 于 2019-10-22 设计创作，主要内容包括：包衣机片床喷雾装置和控制方法。主要解决现在的包衣机的喷雾装置在对滚筒内的片床喷雾的时候只能定向的喷射,使用效果不佳的问题。包括可转动的安装于包衣机的壳体(1)上的主轴(2),所述主轴由第一动力源(91)带动沿自身轴线转动,其特征在于：所述主轴外壁上设有由第二动力源(92)带动可伸缩的安装板(3),所述安装板上装有喷头(4)。本发明提供包衣机片床喷雾装置和控制方法,其喷头可以转动和伸缩,针对不同的喷射情况可以进行调整。(A tablet bed spraying device of a coating machine and a control method. Mainly solves the problems that the spraying device of the prior coating machine can only spray directionally when spraying tablets in a roller, and the using effect is not good. Including rotatable main shaft (2) of installing on casing (1) of coating machine, the main shaft is driven by first power supply (91) and is rotated along self axis, its characterized in that: the outer wall of the main shaft is provided with a telescopic mounting plate (3) driven by a second power source (92), and the mounting plate is provided with a spray head (4). The invention provides a spraying device of a coating machine slice bed and a control method thereof, wherein a spray head can rotate and stretch, and can be adjusted according to different spraying conditions.)
1. Capsule machine tablet bed atomizer, including rotatable main shaft (2) of installing on capsule machine's casing (1), the main shaft is driven by first power supply (91) and is rotated along self axis, its characterized in that: the outer wall of the main shaft is provided with a telescopic mounting plate (3) driven by a second power source (92), and the mounting plate is provided with a spray head (4).
2. The coater tablet bed spray apparatus of claim 1, wherein: the first power source is a servo motor.
3. The coater tablet bed spray apparatus of claim 1, wherein: the first power source is connected with the main shaft through a speed reducer (93).
4. The coater tablet bed spray apparatus of claim 1, wherein: the outer wall of the main shaft is provided with a supporting bearing (21), the supporting bearing comprises a connecting flange (22), and the connecting flange is connected with the shell through a fastener.
5. The coater tablet bed spray apparatus of claim 1, wherein: the second power source is the cylinder, the cylinder includes the actuating lever, the actuating lever with the mounting panel is connected.
6. The coater tablet bed spray apparatus of claim 5, wherein: still including corresponding locating locate cylinder both sides telescopic link (31), telescopic link one end with the mounting panel is connected, the other end with main shaft outer wall connects.
7. The coater tablet bed spray apparatus of claim 1, wherein: and a distance sensor is also arranged on the mounting plate.
8. A control method of a tablet spraying device of a tablet coating machine is characterized by comprising the following steps: the coater tablet spray apparatus of any of claims 1-7 including control means, comprising the steps of:
step one, setting a preset distance D between a spray gun and a slice bed through an input unit, starting a rotary drum of the coating machine, and starting to rotate;
step two, the first distance measuring sensor (51) measures a distance s1 from the surface of the sheet bed, the second distance measuring sensor (51) measures a distance s2 from the surface of the sheet bed, if s1 is greater than s2, the control mechanism controls the first power source to enable the spindle to rotate, and the rotation direction is from the position of the first distance measuring sensor to the position of the second distance measuring sensor;
if s1< s2, the control mechanism controls the first power source to rotate the spindle, and the rotation direction is from the position of the second distance measuring sensor to the position of the first distance measuring sensor;
if the | s1-s2| is less than or equal to 5mm, the control mechanism controls the rotating motor to stop rotating;
the actual disc bed distance d = d1+ d2= s1 × cos θ + d2,
wherein d1= s1 × cos θ, θ is the installation angle of the laser ranging sensor, d2 is the perpendicular distance between the front end of the spray head and the front end of the first ranging sensor,
if D is larger than or equal to D: the control mechanism controls the driving rod of the air cylinder to retract,
if D is less than or equal to D: the control mechanism controls the extension of the driving rod of the air cylinder,
if the | D-D | is less than or equal to 3mm, the control mechanism controls the cylinder to stop stretching.
9. The method of controlling a coater tablet machine spray apparatus as set forth in claim 8 wherein: the input unit is a touch screen.
10. The method of controlling a coater tablet machine spray apparatus as set forth in claim 8 wherein: the first distance measuring sensor and the second distance measuring sensor are laser distance measuring sensors.
Technical Field
The invention belongs to the field of coating machines, and particularly relates to a tablet machine spraying device of a coating machine and a control method.
Background
Tablets or pills are a medicine which is convenient to carry and use, are widely used due to many characteristics, and some tablets have heavy bitter taste, so that in order to improve the mouthfeel of the tablets, the surfaces of the tablets are coated with sugar coatings to make the tablets have certain sweet taste, and the tablets or pills can be used in a coating machine.
The spraying device of the existing coating machine can only spray directionally when spraying to a slice bed in a roller, and the using effect is not good.
Disclosure of Invention
In order to overcome the defects of the background art, the invention provides a tablet bed spraying device of a coating machine and a control method, and mainly solves the problems that the spraying device of the existing coating machine can only spray directionally when spraying the tablet bed in a roller, and the using effect is poor.
The technical scheme adopted by the invention is as follows:
the tablet machine spraying device of the coating machine comprises a main shaft which is rotatably arranged on a shell of the coating machine, the main shaft is driven by a first power source to rotate along the axis of the main shaft, a telescopic mounting plate driven by a second power source is arranged on the outer wall of the main shaft, and a spray head is arranged on the mounting plate.
The first power source is a servo motor.
The first power source is connected with the main shaft through a speed reducer.
The outer wall of the main shaft is provided with a supporting bearing, the supporting bearing comprises a connecting flange, and the connecting flange is connected with the shell through a fastening piece.
The second power source is the cylinder, the cylinder includes the actuating lever, the actuating lever with the mounting panel is connected.
The telescopic rod is correspondingly arranged on two sides of the air cylinder, one end of the telescopic rod is connected with the mounting plate, and the other end of the telescopic rod is connected with the outer wall of the main shaft.
And a distance sensor is also arranged on the mounting plate.
A control method of a tablet spraying device of a tablet coating machine comprises a control mechanism and the tablet spraying device of the tablet coating machine, and comprises the following steps:
step one, setting a preset distance D between a spray gun and a slice bed through an input unit, starting a rotary drum of the coating machine, and starting to rotate;
step two, the first distance measuring sensor measures a distance s1 from the surface of the sheet bed, the second distance measuring sensor measures a distance s2 from the surface of the sheet bed, if s1 is greater than s2, the control mechanism controls the first power source to enable the spindle to rotate, and the rotation direction is from the position of the first distance measuring sensor to the position of the second distance measuring sensor;
if s1< s2, the control mechanism controls the first power source to rotate the spindle, and the rotation direction is from the position of the second distance measuring sensor to the position of the first distance measuring sensor;
if the | s1-s2| is less than or equal to 5mm, the control mechanism controls the rotating motor to stop rotating;
the actual disc bed distance d = d1+ d2= s1 × cos θ + d2,
wherein d1= s1 × cos θ, θ is the installation angle of the laser ranging sensor, d2 is the perpendicular distance between the front end of the spray head and the front end of the first ranging sensor,
if D is larger than or equal to D: the control mechanism controls the driving rod of the air cylinder to retract,
if D is less than or equal to D: the control mechanism controls the extension of the driving rod of the air cylinder,
if the | D-D | is less than or equal to 3mm, the control mechanism controls the cylinder to stop stretching.
The input unit is a touch screen.
The first distance measuring sensor and the second distance measuring sensor are laser distance measuring sensors.
The invention has the beneficial effects that: the invention provides a spraying device of a coating machine slice bed and a control method thereof, wherein a spray head can rotate and stretch, and can be adjusted according to different spraying conditions.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention in use.
FIG. 2 is a partial cross-sectional view of one embodiment of the present invention.
Fig. 3 is a partial perspective view of an embodiment of the present invention.
Detailed Description
The invention will be further described with reference to the accompanying drawings in which: as shown in the figure, the spraying device of the tablet machine of the coating machine comprises a main shaft 2 which is rotatably arranged on a shell 1 of the coating machine, the main shaft is driven by a
In this embodiment, as shown in the figure, the first power source is a servo motor. The automatic control system is convenient to be butted with the automatic control system, and automatic operation is realized.
In the present embodiment, as shown in the drawing, the first power source is connected to the main shaft via a
In this embodiment, as shown in the figure, the outer wall of the main shaft is provided with a support bearing 21, and the support bearing comprises a connecting
In this embodiment, as shown, the second power source is a cylinder, and the cylinder includes a driving rod 911, and the driving rod is connected to the mounting plate.
In this embodiment, as shown in the figure, the spindle further includes a corresponding
In this embodiment, as shown in the figure, a distance sensor is further disposed on the mounting plate.
A control method of a tablet spraying device of a tablet coating machine comprises a control mechanism and the tablet spraying device of the tablet coating machine, and comprises the following steps:
step one, setting a preset distance D between a spray gun and a slice bed through an input unit, starting a rotary drum of the coating machine, and starting to rotate;
step two, the first distance measuring sensor measures a distance s1 from the surface of the sheet bed, the second distance measuring sensor measures a distance s2 from the surface of the sheet bed, if s1 is greater than s2, the control mechanism controls the first power source to enable the spindle to rotate, and the rotation direction is from the position of the first distance measuring sensor to the position of the second distance measuring sensor;
if s1< s2, the control mechanism controls the first power source to rotate the spindle, and the rotation direction is from the position of the second distance measuring sensor to the position of the first distance measuring sensor;
if the | s1-s2| is less than or equal to 5mm, the control mechanism controls the rotating motor to stop rotating;
the actual disc bed distance d = d1+ d2= s1 × cos θ + d2,
wherein d1= s1 × cos θ, θ is the installation angle of the laser ranging sensor, d2 is the perpendicular distance between the front end of the spray head and the front end of the first ranging sensor,
if D is larger than or equal to D: the control mechanism controls the driving rod of the air cylinder to retract,
if D is less than or equal to D: the control mechanism controls the extension of the driving rod of the air cylinder,
if the | D-D | is less than or equal to 3mm, the control mechanism controls the cylinder to stop stretching.
The control mechanism can be a PLC or a microcomputer, the first power source and the second power source are controlled by the size obtained by the first distance measuring sensor and the second distance measuring sensor, so that the spray head can automatically rotate and stretch, the working efficiency is high, and the comparison process is completed by the PLC.
In this embodiment, as shown in the figure, the input unit is a touch screen. The control is convenient, and the input is more intuitive.
In this embodiment, as shown in the figure, the first distance measuring sensor and the second distance measuring sensor are laser distance measuring sensors.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The embodiments described with reference to the drawings are illustrative and are intended to be illustrative of the invention and should not be construed as limiting the invention. The examples should not be construed as limiting the present invention, but any modifications made based on the spirit of the present invention should be within the scope of protection of the present invention.
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