An automatic cutting and drying device for tubular medicine strips and its drying method

Abstract

The present invention relates to the technical field of automatic medicine cutting and drying, and specifically to a tubular medicine strip automatic medicine cutting and drying device and its drying method, which includes a medicine strip extrusion speed measurement mechanism, a first medicine strip conveying mechanism, a medicine cutting mechanism, a second medicine strip conveying mechanism, a hanging rod conveying mechanism, a hanging rod supply mechanism, a pressing plate placement mechanism, a truss manipulator, a mobile drying rack, and an automatic control system; the device of the present invention realizes the automation of the entire process of medicine cutting and drying, achieves the purpose of separating humans from machines, effectively controls the production quality of medicine strips, and significantly improves the production efficiency.

Description

Technical Field

[0001] The present invention relates to the technical field of automatic cutting and drying of medicine strips, and specifically to an automatic cutting and drying device for tubular medicine strips and a drying method thereof. Background Art

[0002] The tubular medicine strip is extruded and formed by a medicine pressing machine, and medicine strips of different thicknesses are produced by replacing different molds. At present, the post-treatment processes of medicine strip production, including medicine strip conveying, cutting, drying, etc., are all completed manually. Manual operation has problems such as high labor intensity and low production process safety, and requires automatic transformation to achieve human-machine isolation. Summary of the Invention

[0003] The purpose of the present invention is to solve the above problems, and provide an automatic cutting and drying device and method for tubular medicine strips, so that the entire process of cutting and drying is automated, achieving the purpose of human-machine isolation, effectively controlling the production quality of medicine strips, and improving production efficiency.

[0004] The present invention is realized through the following technical solutions:

[0005] An automatic cutting and drying device for tubular medicine strips includes a medicine strip extrusion speed measuring mechanism, a first medicine strip conveying mechanism, a cutting mechanism, a second medicine strip conveying mechanism, a hanging rod conveying mechanism, a hanging rod supply mechanism, a pressing plate placement mechanism, a truss manipulator, a mobile drying rack, and an automatic control system;

[0006] The medicine strip extrusion speed measuring mechanism is installed at the lower right of the medicine outlet, the first medicine strip conveying mechanism is installed at the lower left of the medicine outlet, the cutting mechanism is installed above the first medicine strip conveying mechanism, the second medicine strip conveying mechanism is installed at the lower left of the first medicine strip conveying mechanism, the hanging rod conveying mechanism is installed above the second medicine strip conveying mechanism, the hanging rod supply mechanism is installed in front of the second hanging rod conveying mechanism, the pressing plate placement mechanism is installed on the hanging rod conveying mechanism, the truss manipulator is installed above the hanging rod conveying mechanism, and the mobile drying rack is placed behind the second medicine strip conveying mechanism; the automatic control system is used to control each mechanism to complete corresponding actions.

[0007] Further, the medicine strip extrusion speed measuring mechanism includes a first frame, an encoder, a slide plate, a cylinder, and a free roller; the cylinder and the free roller are installed on the first frame, the encoder is installed on the free roller, and the slide plate is connected to the first frame by bolts.

[0008] Further, the first medicine strip conveying mechanism includes a second frame, a first motor reducer, a driving shaft pulley, a driven shaft pulley, and a first belt; the first motor reducer is connected to the driving shaft through a coupling, and the pulley on the driving shaft is connected to the pulley on the driven shaft through the first belt.

[0009] Further, the medicine cutting mechanism includes a third frame, a high-speed cylinder, a linear bearing, a guide rod, and a cutter; the high-speed cylinder is installed on the third frame and is connected to the cutter through auxiliary parts, and the guide rod is installed on the third frame.

[0010] Further, the second medicine strip conveying mechanism includes a fourth frame, a second motor reducer, a driving shaft, a driven shaft, and a second belt; the second motor reducer is connected to the driving shaft through a coupling, and the pulley on the driving shaft is connected to the pulley on the driven shaft through the second belt.

[0011] Further, the hanging medicine rod conveying mechanism includes a fifth frame, a third motor reducer, a driving shaft sprocket, a driven shaft sprocket, and a chain; the third motor reducer is installed on the fifth frame and is connected to the driving shaft through a coupling, and the sprocket on the driving shaft is connected to the sprocket on the driven shaft through the chain.

[0012] Further, the hanging medicine rod supply mechanism includes a sixth frame, a medicine rod storage tray, a first cylinder, and a guide groove; the medicine rod storage tray, the first cylinder, and the guide groove are all installed on the sixth frame.

[0013] Further, the pressing medicine plate placing mechanism includes a seventh frame, a pressing medicine plate storage tray, and a second cylinder; the seventh frame is installed on the fifth frame, and the pressing medicine plate storage tray and the second cylinder are installed on the seventh frame.

[0014] Further, the truss manipulator includes an eighth frame, a linear module, a servo motor, and a hanging hook; the linear module includes an X-axis linear module, a Y-axis linear module, and a Z-axis linear module; the linear module is installed on the eighth frame, the servo motor drives the linear module to move, and the hanging hook is installed on the slider of the Z-axis linear module;

[0015] The mobile medicine drying rack includes a ninth frame and a medicine rod slot; the medicine rod slot is arranged at the upper part of the ninth frame, and universal wheels are installed at the lower part of the ninth frame.

[0016] Another object of the present invention is to provide a method for drying medicine by using an automatic medicine cutting and drying device for tubular medicine strips, and the steps are as follows:

[0017] (1) The medicine strip coming out of the pressing machine enters the slide plate of the medicine strip extrusion speed measuring mechanism, the head of the medicine strip is placed on the first belt of the first medicine strip conveying mechanism, and is conveyed forward along with the belt transmission to the second belt of the second medicine strip conveying mechanism;

[0018] (2) When the extrusion length of the medicine strip reaches the set length, the medicine rod supply mechanism transports the medicine rod to the set position to pick up the medicine strip and continue the transportation;

[0019] (3) When the medicine rod to be hung with the medicine strip is transported to the set position, the pressing plate placement mechanism places the pressing plate on the medicine rod to press the medicine strip, preventing the medicine strip from falling during transportation;

[0020] (4) When the extrusion length of the medicine strip reaches the required value, the medicine strip cutting mechanism cuts the medicine strip; at this time, the medicine rod hanging the medicine strip continues to be transported forward to the end, and at this time, the hanging hook of the truss manipulator is activated to hang the medicine rod and move it through the linear module to send the medicine rod into the medicine rod card slot of the mobile medicine drying rack;

[0021] (5) After the mobile medicine drying rack is full, it is pushed to the warehouse by workers and enters the next process.

[0022] The beneficial effects of the present invention are as follows:

[0023] (1) For the device provided by the present invention, by setting the medicine strip extrusion speed measuring mechanism, real-time speed measurement during the transportation of the medicine strip is achieved, and thus the extrusion length of the medicine strip can be accurately obtained and the transportation speeds of the subsequent medicine strip transportation mechanism 1 and medicine strip transportation mechanism 2 can be adjusted according to the extrusion speed of the medicine strip, effectively avoiding abnormal situations such as medicine stacking or pulling breakage caused by the mismatch between the transportation speed and the medicine output speed;

[0024] (2) For the device provided by the present invention, by setting the pressing plate placement mechanism, a certain pressure is applied to the medicine strip on the medicine drying rod, preventing the medicine strip from falling off due to uneven force on both sides after being hung on the medicine drying rod, and further improving the hanging rate of the medicine strip on the rod. Description of the Drawings

[0025] Figure 1 is the overall structural schematic diagram of the device of the present invention;

[0026] Figure 2 is the schematic diagram of the medicine strip extrusion speed measuring mechanism in the device of the present invention;

[0027] Figure 3 is the schematic diagram of the medicine strip transportation mechanism 1 and the medicine strip cutting mechanism in the device of the present invention;

[0028] Figure 4 is the schematic diagram of the medicine strip transportation mechanism 2, the medicine rod transportation mechanism, the medicine rod supply mechanism, and the pressing plate placement mechanism in the device of the present invention;

[0029] Figure 5 is the schematic diagram of the truss manipulator and the mobile medicine drying rack in the device of the present invention.

[0030] In the figure: 1. Medicine strip extrusion speed measurement mechanism; 2. First medicine strip conveying mechanism; 3. Medicine cutting mechanism; 4. Second medicine strip conveying mechanism; 5. Hanging medicine rod conveying mechanism; 6. Hanging medicine rod supply mechanism; 7. Pressing medicine plate placement mechanism; 8. Truss manipulator; 9. Movable medicine drying rack; 1-1. First frame; 1-2. Encoder; 1-3. Slide plate; 1-4. Cylinder; 1-5. Free roller; 2-1. Second frame; 2-2. First motor reducer; 2-3. Driving shaft pulley; 2-4. First belt; 2-5. Driven shaft pulley; 3-1. Third frame; 3-2. High-speed cylinder; 3-3. Cutter; 3-4. Guide rod; 3-5. Linear bearing; 4-1. Fourth frame; 4-2. Second motor reducer; 4-3. Driving shaft; 4-4. Second belt; 4-5. Driven shaft; 5-1. Third motor reducer; 5-2. Driving shaft sprocket; 5-3. Chain; 5-4. Driven shaft sprocket; 5-5. Fifth frame; 6-1. Sixth frame; 6-2. Medicine rod storage tray; 6-3. First cylinder; 6-4. Guide groove; 7-1. Seventh frame; 7-2. Pressing medicine plate storage tray; 7-3. Second cylinder; 8-1. Eighth frame; 8-2. X-axis linear module; 8-3. Y-axis linear module; 8-4. Z-axis linear module; 8-5. Hanging hook; 9-1. Ninth frame; 9-2. Medicine rod card slot. Detailed implementation mode

[0031] The present invention will be further described below with reference to the accompanying drawings:

[0032] Example 1, an automatic medicine cutting and drying device for tubular medicine strips, the structure is as Figure 1 shown, including a medicine strip extrusion speed measurement mechanism 1, a first medicine strip conveying mechanism 2, a medicine cutting mechanism 3, a second medicine strip conveying mechanism 4, a hanging medicine rod conveying mechanism 5, a hanging medicine rod supply mechanism 6, a pressing medicine plate placement mechanism 7, a truss manipulator 8, a movable medicine drying rack 9 and an automatic control system;

[0033] Specifically, the positional relationship of each component is referred to Figure 1 shown: The medicine strip extrusion speed measurement mechanism 1 is installed at the lower right of the medicine outlet, the first medicine strip conveying mechanism 2 is installed at the lower left of the medicine outlet, the medicine cutting mechanism 3 is installed above the first medicine strip conveying mechanism 2, the second medicine strip conveying mechanism 4 is installed at the lower left of the first medicine strip conveying mechanism 2, the hanging medicine rod conveying mechanism 5 is installed above the second medicine strip conveying mechanism 4, the hanging medicine rod supply mechanism 6 is installed in front of the second hanging medicine rod conveying mechanism 4, the pressing medicine plate placement mechanism 7 is installed on the hanging medicine rod conveying mechanism 5, the truss manipulator 8 is installed above the hanging medicine rod conveying mechanism 5, and the movable medicine drying rack 9 is placed behind the second medicine strip conveying mechanism 4; the automatic control system. Among them, the automatic control system is electrically connected to the power units of each mechanism for controlling each mechanism to complete corresponding actions; the automatic control system can be a PLC automatic control system.

[0034] Refer toFigure 2 As shown in Figure 2 , in the device provided by the present invention, the medicine strip extrusion speed measuring mechanism 1 includes a first frame 1-1, an encoder 1-2, a slide plate 1-3, a cylinder 1-4 and a free roller 1-5; among them, the cylinder 1-4 and the free roller 1-5 are respectively installed on the first frame 1-1, the encoder 1-2 is installed on the free roller 1-5, and the slide plate 1-3 is bolted to the first frame 1-1. The encoder 1-2 is used to measure the extrusion speed and length of the medicine strip and feed back to the automatic control system.

[0035] Refer to Figure 3 As shown in Figure 3 , in the device provided by the present invention, the first medicine strip conveying mechanism 2 includes a second frame 2-1, a first motor reducer 2-2, a driving shaft pulley 2-3, a driven shaft pulley 2-5 and a first belt 2-4; among them, the first reduction motor 2-2 is connected to the driving shaft through a coupling, and the pulley on the driving shaft is connected to the pulley on the driven shaft through the first belt 2-4. The first motor reducer 2-2 drives the driving shaft to rotate, driving the pulley to rotate, so as to realize the transmission of the first belt 2-4.

[0036] Similarly, as Figure 3 As shown in Figure 3 , in the device provided by the present invention, the medicine cutting mechanism 3 includes a third frame 3-1, a high-speed cylinder 3-2, a linear bearing 3-5, a guide rod 3-4 and a cutter 3-3; the high-speed cylinder 3-2 is installed on the third frame 3-1 and is connected to the cutter 3-3 through accessories, and the guide rod 3-4 is installed on the third frame 3-1. The telescopic movement of the high-speed cylinder 3-2 drives the cutter 3-3 to move in the vertical direction, realizing the cutting of the tubular medicine strip.

[0037] As Figure 4 As shown in Figure 4 , in the present device, the second medicine strip conveying mechanism 4 includes a fourth frame 4-1, a second motor reducer 4-2, a driving shaft 4-3, a driven shaft 4-5 and a second belt 4-4; the second motor reducer 4-2 is connected to the driving shaft 4-3 through a coupling, and the pulley on the driving shaft 4-3 is connected to the pulley on the driven shaft 4-5 through the second belt 4-4. The second motor reducer 4-2 is connected to the driving shaft through a coupling, driving the pulley to rotate, so as to realize the transmission of the second belt 4-4.

[0038] The hanging medicine rod conveying mechanism 5 includes a fifth frame 5-5, a third motor reducer 5-1, a driving shaft sprocket 5-2, a driven shaft sprocket 5-4 and a chain 5-3, and the structure refers to Figure 4 As shown in Figure 4 ; the third motor reducer 5-1 is installed on the fifth frame 5-5, connected to the driving shaft through a coupling, and the sprocket on the driving shaft is connected to the sprocket on the driven shaft through the chain 5-3, thereby realizing chain transmission.

[0039] Similarly, refer to Figure 4As shown in the figure, the medicine rod supply mechanism 6 includes a sixth frame 6-1, a medicine rod storage disk 6-2, a first cylinder 6-3, and a guide groove 6-4; the medicine rod storage disk 6-2, the first cylinder 6-3, and the guide groove 6-4 are all installed on the sixth frame 6-1. The first cylinder 6-3 extends to hang the medicine rod into the card slot of the chain 5-3 through the guide groove 6-4.

[0040] The pressing plate placing mechanism 7 includes a seventh frame 7-1, a pressing plate storage disk 7-2, and a second cylinder 7-3; the seventh frame 7-1 is installed on the fifth frame 5-5, and the pressing plate storage disk 7-2 and the second cylinder 7-3 are installed on the seventh frame 7-1; the second cylinder 7-3 extends to press the pressing plate in the pressing plate storage disk 7-2 onto the medicine rod.

[0041] Refer to Figure 5 As shown in the figure, the truss manipulator 8 includes an eighth frame 8-1, a linear module, a servo motor, and a hanging hook 8-5; the linear module includes an X-axis linear module 8-2, a Y-axis linear module 8-3, and a Z-axis linear module 8-4; the linear module is installed on the eighth frame 8-1, the servo motor drives the linear module to move, and the hanging hook 8-5 is installed on the slider of the Z-axis linear module 8-4; the mobile medicine drying rack 9 includes a ninth frame 9-1 and a medicine rod card slot 9-2; the medicine rod card slot 9-2 is arranged at the upper part of the ninth frame 9-1, and universal wheels are installed at the lower part of the ninth frame 9-1 for easy movement.

[0042] The method for drying medicine using the automatic medicine cutting and drying device for tubular medicine strips of the present invention is as follows:

[0043] Step 1: First, set the medicine extrusion time, the medicine press starts to discharge medicine, the cylinder 1-4 extends, the medicine strip coming out of the medicine press moves downward along the slide plate 1-3, the head of the medicine strip rests on the first belt 2-4, as the first belt 2-4 conveys forward, at the same time, due to the frictional force between the medicine strip and the free roller 1-5, the roller rotates, and the encoder 1-2 is used to measure the extrusion speed and length of the medicine strip. This speed value determines the speeds of the first medicine strip conveying mechanism 2 and the second medicine strip conveying mechanism 4, and matches the medicine strip extrusion speed.

[0044] Step 2: The medicine strip continues to be conveyed on the first belt 2-4 to the second belt 4-4. When the extrusion length of the medicine strip reaches the set length, the first cylinder 6-3 pushes the medicine rod, and after passing through the guide groove 6-4, it is sent to the card slot of the chain 5-3 and conveyed to the set position to pick up the medicine strip and continue conveying.

[0045] Step 3: When the medicine rod hanging the medicine strip is conveyed to the set position, the second cylinder 7-3 places the pressing plate on the medicine rod to press the medicine strip, so as to prevent the medicine strip from falling during the conveying process.

[0046] Step 4: When the extrusion length of the medicine strip reaches the required value, the high-speed cylinder 3-2 extends, and the cutter 3-3 cuts off the medicine strip.

[0047] Step 5: The medicine rod of the hanging medicine strip continues to be conveyed forward to the end. At this time, the truss manipulator 8 is activated, and the medicine rod is hung by the hanging hook 8-5 and sent to the medicine rod slot 9-2 through the movement of the X-axis linear module 8-2, the Y-axis linear module 8-3, and the Z-axis linear module 8-4.

[0048] Step 6: After the ninth rack 9 is filled with medicine rods, it is pushed to the warehouse by manual labor and enters the next process.

[0049] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them. Any other modifications or equivalent replacements made by those of ordinary skill in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.

Claims

1. An automatic cutting and drying device for tubular medicine strips, characterized in that, it includes a medicine strip extrusion speed measuring mechanism (1), a first medicine strip conveying mechanism (2), a medicine cutting mechanism (3), a second medicine strip conveying mechanism (4), a hanging rod conveying mechanism (5), a hanging rod supply mechanism (6), a pressing plate placing mechanism (7), a truss manipulator (8), a mobile drying rack (9) and an automatic control system; The medicine strip extrusion speed measuring mechanism (1) is installed at the lower right of the medicine outlet, the first medicine strip conveying mechanism (2) is installed at the lower left of the medicine outlet, the medicine cutting mechanism (3) is installed above the first medicine strip conveying mechanism (2), the second medicine strip conveying mechanism (4) is installed at the lower left of the first medicine strip conveying mechanism (2), the hanging rod conveying mechanism (5) is installed above the second medicine strip conveying mechanism (4), the hanging rod supply mechanism (6) is installed in front of the second hanging rod conveying mechanism (4), the pressing plate placing mechanism (7) is installed on the hanging rod conveying mechanism (5), the truss manipulator (8) is installed above the hanging rod conveying mechanism (5), and the mobile drying rack (9) is placed behind the second medicine strip conveying mechanism (4); The automatic control system is used to control each mechanism to complete corresponding actions; The method of drying medicine using this drying device is as follows: (1) The medicine strip coming out of the pressing machine enters the slide plate (1-3) of the medicine strip extrusion speed measuring mechanism (1), and the head of the medicine strip rests on the first belt (2-4) of the first medicine strip conveying mechanism (2), and is conveyed forward along with the belt transmission to the second belt (4-4) of the second medicine strip conveying mechanism (4); (2) When the extrusion length of the medicine strip reaches the set length, the hanging rod supply mechanism (6) transports the rod to the set position to pick up the medicine strip and continue the transportation; (3) When the rod for hanging the medicine strip is transported to the set position, the pressing plate placing mechanism (7) places the pressing plate on the rod to press the medicine strip to prevent the medicine strip from falling during transportation; (4) When the extrusion length of the medicine strip reaches the required value, the medicine cutting mechanism (3) cuts the medicine strip; At this time, the rod for hanging the medicine strip continues to be transported to the end, and at this time, the hanging hook (8-5) of the truss manipulator (8) is activated to hang the rod and move it through the linear module to send the rod into the rod slot (9-2) of the mobile drying rack (9); (5) After the mobile drying rack (9) is full, it is manually pushed to the warehouse and enters the next process.

2. The automatic cutting and drying device for tubular medicine strips according to claim 1, characterized in that, the medicine strip extrusion speed measuring mechanism (1) includes a first frame (1-1), an encoder (1-2), a slide plate (1-3), a cylinder (1-4) and a free roller (1-5); The cylinder (1-4) and the free roller (1-5) are installed on the first frame (1-1), the encoder (1-2) is installed on the free roller (1-5), and the slide plate (1-3) is connected to the first frame (1-1) by bolts.

3. The automatic cutting and drying device for tubular medicine strips according to claim 1, characterized in that, The medicine strip conveying mechanism 1 (2) includes a second frame (2-1), a first motor reducer (2-2), a driving pulley (2-3), a driven pulley (2-5), and a first belt (2-4); the first motor reducer (2-2) is connected to the driving shaft through a coupling, and the first pulley on the driving shaft is connected to the second pulley on the driven shaft through the first belt (2-4).

4. The automatic medicine cutting and drying device for tubular medicine strips according to claim 1, characterized in that, the medicine cutting mechanism (3) includes a third frame (3-1), a high-speed cylinder (3-2), a linear bearing (3-5), a guide rod (3-4), and a cutter (3-3); the high-speed cylinder (3-2) is installed on the third frame (3-1) and is connected to the cutter (3-3) through auxiliary parts, and the guide rod (3-4) is installed on the third frame (3-1).

5. The automatic medicine cutting and drying device for tubular medicine strips according to claim 1, characterized in that, the medicine strip conveying mechanism 2 (4) includes a fourth frame (4-1), a second motor reducer (4-2), a driving shaft (4-3), a driven shaft (4-5), and a second belt (4-4); the second motor reducer (4-2) is connected to the driving shaft (4-3) through a coupling, and the pulley on the driving shaft (4-3) is connected to the pulley on the driven shaft (4-5) through the second belt (4-4).

6. The automatic medicine cutting and drying device for tubular medicine strips according to claim 1, characterized in that, the hanging medicine rod conveying mechanism (5) includes a fifth frame (5-5), a third motor reducer (5-1), a driving shaft sprocket (5-2), a driven shaft sprocket (5-4), and a chain (5-3); the third motor reducer (5-1) is installed on the fifth frame (5-5) and is connected to the driving shaft through a coupling, and the first sprocket on the driving shaft is connected to the second sprocket on the driven shaft through the chain (5-3).

7. The automatic medicine cutting and drying device for tubular medicine strips according to claim 1, characterized in that, the hanging medicine rod supply mechanism (6) includes a sixth frame (6-1), a medicine rod storage tray (6-2), a first cylinder (6-3), and a guide groove (6-4); the medicine rod storage tray (6-2), the first cylinder (6-3), and the guide groove (6-4) are all installed on the sixth frame (6-1).

8. The automatic medicine cutting and drying device for tubular medicine strips according to claim 5, characterized in that, the pressing medicine plate placing mechanism (7) includes a seventh frame (7-1), a pressing medicine plate storage tray (7-2), and a second cylinder (7-3); the seventh frame (7-1) is installed on the fifth frame (5-5), and the pressing medicine plate storage tray (7-2) and the second cylinder (7-3) are installed on the seventh frame (7-1).

9. The automatic medicine cutting and drying device for tubular medicine strips according to claim 1, characterized in that, The truss manipulator (8) includes a frame eight (8-1), a linear module, a servo motor, and a suspension hook (8-5); the linear module includes an X-axis linear module (8-2), a Y-axis linear module (8-3), and a Z-axis linear module (8-4); the linear module is installed on the frame eight (8-1), the servo motor drives the linear module to move, and the suspension hook (8-5) is installed on the slider of the Z-axis linear module (8-4); The mobile medicine drying rack (9) includes a frame nine (9-1) and a medicine rod slot (9-2); the medicine rod slot (9-2) is arranged at the upper part of the frame nine (9-1), and universal wheels are installed at the lower part of the frame nine (9-1).

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