Medicine packaging film tension control device for medicine sub-packaging machine
By introducing a tension control device into the drug packaging machine, the problems of deformation and misalignment of the packaging film during the heat sealing process are solved, and stable tension control of the packaging film is achieved, ensuring accurate printing and packaging of drug information and improving the working efficiency and accuracy of the drug packaging machine.
Patent Information
- Application Number
- CN202520259707.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-18
- Publication Date
- 2026-01-09
- Estimated Expiration
- 2035-02-18
AI Technical Summary
Drug coating films are prone to deformation or misalignment during heat sealing, causing drug information to appear on the next generation of drug coating films. Furthermore, the tension of the drug coating film roll is difficult to maintain, affecting printing and packaging accuracy.
A tension control device is adopted, including a fixed plate, a guide shaft, a damping device, a rotary damper, a tension adjustment shaft, and an adjustment device. The voltage of the rotary damper is adjusted by a photoelectric sensor to ensure that the coating film maintains a stable tension state during traction.
Stable tension control of the packaging film during the heat sealing process was achieved, ensuring accurate printing and packaging of drug information and improving the working efficiency and accuracy of the drug packaging machine.
Smart Images
Figure CN223779598U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of medicine dispensing machine, specifically relates to a medicine packaging film tension control device for medicine dispensing machine. BACKGROUND
[0002] The automatic dispensing machine has been used for more than 30 years, along with the in-depth development of the informationization of the medical industry in China, the hospital pharmacy automation is gradually popularized, so that the pharmacy work is more efficient and standard. The dispensing machine can automatically select the correct medicine, store, count, fill and package the medicine, and complete all operations of the dispensing process. Moreover, the dispensing machine can be connected with the hospital information system, and the printing content is printed on the medicine packaging film according to the patient's medical order information.
[0003] The medicine packaging film is installed in the form of a roll on the medicine packaging film reel in the dispensing machine, first passes through the printing device to print information, then passes through the forming and medicine loading device to fill the medicine, then passes through the heat sealing device to package into continuous medicine packages, and finally passes through the conveying device to send out. Due to the effect of inertia, when the medicine packaging film is heat sealed in the heat sealing device, the medicine packaging film reel will also rotate slightly, which causes the medicine packaging film between the medicine packaging film reel and the heat sealing device to be insufficiently tensioned, and the medicine packaging film is easily deformed or misaligned when the printing device prints information. In severe cases, part of the medicine information will appear on the next generation of medicine packaging film after heat sealing. Moreover, when the medicine packaging film is wound up and the medicine packaging film is wound up, the speed of the medicine packaging film winding needs to be different, so that the medicine packaging film is in a tensioned state. Based on this, a tension control device for adjusting the tension of the medicine packaging film is developed. UTILITARY MODEL
[0004] The utility model solves the technical problem of providing a tension control device that can control the tension state of the medicine packaging film.
[0005] The utility model discloses a technical scheme that solves its technical problem is: the technical scheme that the utility model discloses a medicine packaging film tension control device for medicine subpackaging machine, including fixed plate, install the medicine packaging film reel, first guide shaft, second guide shaft, third guide shaft of fixed plate one side, the other side of fixed plate is equipped with damping device, the damping device includes the damping mounting frame of installing on the fixed plate, installs the rotary damper of damping mounting frame, the coupling of the drive end of rotary damper with medicine packaging film reel is connected, still including tension adjusting shaft and with tension adjusting shaft cooperation uses tension adjusting device, tension adjusting device is located the same side of damping device, the adjusting hole that the fixed plate is opened is used for the up and down movement of tension adjusting shaft, and the position second guide shaft below of tension adjusting shaft. When working, install the medicine packaging film reel on the medicine packaging film reel, and the medicine packaging film passes first guide shaft, tension adjusting shaft, second guide shaft, third guide shaft in proper order and then passes other related mechanism in proper order, and the damping size of medicine packaging film reel is controlled through rotary damper, and the position of tension adjusting shaft is adjusted through tension adjusting device, and then the tension force degree of medicine packaging film is adjusted, under the control of total control device, through tension adjusting device and rotary damper cooperation work, make the tension of medicine packaging film be in the fixed numerical value all the time, guarantee the accurate implementation of next procedure.
[0006] Further, the tension adjusting device includes a guide rail frame, a sliding block cooperating with the guide rail frame, a tension bolt, and a tension spring. The guide rail frame is provided with a guide rail along the length direction of the adjusting hole. The tension adjusting shaft is threadedly connected with the sliding block. The tension bolt is installed at the top end of the guide rail frame. The side of the sliding block facing the tension bolt is further provided with a spring post. The spring is limited by the spring post and the tension bolt.
[0007] Further, the free height of the tension spring is greater than the length of the guide rail minus the height of the sliding block, so as to ensure the stability of the tension spring.
[0008] Further, the tension adjusting device further includes a position sensing sheet and a plurality of photoelectric sensors. The position sensing sheet is installed on the side of the sliding block away from the guide rail. The plurality of photoelectric sensors are installed along the direction of the sliding block movement. The position of the tension adjusting shaft is identified by the photoelectric sensors and data is transmitted to the total control device. The voltage of the rotary damper is adjusted by the total control device, so as to control the rotation speed of the medicine packaging film reel.
[0009] Further, the top end of the adjusting hole is lower than the lowest end of the first guide shaft.
[0010] Further, the second guide shaft and the third guide shaft are on the same horizontal line.
[0011] Further, the first guide shaft, the second guide shaft and the third guide shaft each comprise a guide fixed shaft and a shaft sleeve matched with the guide fixed shaft, and the non-coincidence part of the guide fixed shaft and the shaft sleeve is provided with a thread, the guide fixed shaft is passed through the fixed plate and is fixed on the fixed plate by a nut.
[0012] The utility model discloses the beneficial effect is: through setting up the position of tension adjusting device adjustment tension adjusting shaft, can guarantee the package medicine film to be in the tension state in the traction process, the printing and heat sealing of convenient next procedure, the position of tension adjusting device is adjusted to the sliding block through the tension spring, and then the position of tension adjusting shaft is adjusted, makes the soft adjustment of tension adjusting shaft to the package medicine film. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is the structure diagram of the utility model Figure 1 ;
[0014] Figure 2 It is the structure diagram of the utility model Figure 2 ;
[0015] Figure 3 It is the schematic diagram of tension adjusting device of the utility model;
[0016] Figure 4 It is the structure diagram of fixed plate of the utility model;
[0017] Marked in the drawing as: 10, fixed plate;101, adjusting hole;111, damping mounting bracket;112, rotary damper;121, first guide shaft;122, second guide shaft;123, third guide shaft;20, tension adjusting shaft;211, guide rail;212, sliding block;213, spring post;214, tension bolt;215, tension spring;221, inductive sheet;222, photoelectric sensor. DETAILED DESCRIPTION
[0018] The utility model is further explained below in combination with the drawings and specific embodiment.
[0019] For example Figures 1 to 4As shown, the tension control device for the medicine packaging film of the medicine packaging machine comprises a fixed plate 10, a medicine packaging film reel installed on one side of the fixed plate 10, a first guide shaft 121, a second guide shaft 122, a third guide shaft 123, a damping device installed on the other side of the fixed plate 10, the damping device comprising a damping mounting bracket 111 installed on the fixed plate 10, a rotary damper 112 installed on the damping mounting bracket 111, and a shaft coupling connecting the driving end of the rotary damper 112 and the medicine packaging film reel; further comprising a tension adjusting shaft 20 and a tension adjusting device used in cooperation with the tension adjusting shaft 20, the tension adjusting device being located on the same side of the damping device; the fixed plate 10 is provided with an adjusting hole 101 for the up-and-down movement of the tension adjusting shaft 20, the length of the adjusting hole 101 being the range of movement of the tension adjusting shaft 20, and the tension adjusting shaft 20 being located below the second guide shaft 122. In operation, the medicine packaging film reel is installed on the medicine packaging film reel, and the medicine packaging film is sequentially guided through the first guide shaft 121, the tension adjusting shaft 20, the second guide shaft 122, the third guide shaft 123, and then sequentially through other related mechanisms, the second guide shaft 122 and the third guide shaft 123 being on the same horizontal line to horizontally guide the medicine packaging film; the damping size of the medicine packaging film reel is controlled by the rotary damper 112, the position of the tension adjusting shaft 20 is adjusted by the tension adjusting device, and then the tension of the medicine packaging film is adjusted, under the control of the total control device, the tension adjusting device and the rotary damper 112 work in cooperation to keep the tension of the medicine packaging film at a fixed value, ensuring the accurate implementation of the next process. The first guide shaft 121, the second guide shaft 122, and the third guide shaft 123 each comprise a guide fixed shaft and a shaft sleeve used in cooperation with the guide fixed shaft, the non-coincident part of the guide fixed shaft and the shaft sleeve being provided with threads, the guide fixed shaft being passed through the fixed plate 10 and being fixed on the fixed plate 10 by a nut; through the cooperation of the shaft sleeve and the guide fixed shaft, the rolling friction force between the medicine packaging film and the shaft sleeve is reduced in the process of traction, the friction force of the medicine packaging film is reduced, and the medicine packaging film can be pulled by a smaller force.
[0020] On the basis of the above, Figure 2 and Figure 3As shown, the tension adjusting device comprises a guide rail 211 frame, a sliding block 212 used in cooperation with the guide rail 211 frame, a tension bolt 214, a tension spring 215, the guide rail 211 frame is provided with the guide rail 211 along the length direction of the adjusting hole 101; one end of the tension adjusting shaft 20 is provided with a thread, and the sliding block 212 is provided with a threaded hole in correspondence, the tension adjusting shaft 20 is connected with the sliding block 212 through the adjusting hole 101, when the tension adjusting shaft 20 is subjected to force, the sliding block 212 is driven to move on the guide rail 211. The tension bolt 214 is installed at the top end of the guide rail 211 frame, and the side of the sliding block 212 facing the tension bolt 214 is further provided with a spring column 213, the spring is limited by the spring column 213 and the tension bolt 214; the free height of the tension spring 215 is greater than the length of the guide rail 211 minus the height of the sliding block 212, which can ensure that the spring will not fall off when there is no external force acting on the tension adjusting shaft 20. In work, when the medicine wrapping film is subjected to traction, the medicine wrapping film has an upward force on the tension adjusting shaft 20, which drives the sliding block 212 to slide upward on the guide rail 211, but the sliding block 212 is subjected to a downward force by the tension spring 215, under the action of the two forces, the tension adjusting shaft 20 adjusts the tension of the medicine wrapping film, and ensures that the medicine wrapping film after the third guide shaft 123 is in a stable tension state.
[0021] On the basis of the above, Figure 2 and Figure 3 As shown, in order to realize the adjustment of the resistance of the rotary damper 112 when the medicine wrapping film reel rotates according to the size of the medicine wrapping film reel, the tension adjusting device further comprises a position sensing sheet 221 and three photoelectric sensors 222; the position sensing sheet 221 is installed on the side of the sliding block 212 away from the guide rail 211, and the three photoelectric sensors 222 are installed along the direction of movement of the sliding block 212, and the three photoelectric sensors 222 are in parallel with the guide rail 211. The position sensing sheet 221 is identified by the photoelectric sensor 222, and the data of the position of the position sensing sheet 221 is transmitted to the general controller, the voltage of the rotary damper 112 is adjusted by the controller, the resistance is adjusted, and then the rotation speed of the medicine wrapping film reel is adjusted. When the uppermost photoelectric sensor 222 identifies the position sensing sheet 221, the force of the medicine wrapping film on the tension adjusting shaft 20 is greater than the force of the tension spring 215, the resistance of the medicine wrapping film reel needs to be reduced, the rotation speed is increased, and the position sensing sheet 221 is moved downward, generally the position sensing sheet 221 is in the lowermost photoelectric sensor.
[0022] On the basis of the above, Figure 4 As shown, the top end of the adjusting hole 101 is lower than the lowest end of the first guide shaft 121.
[0023] The above-described specific embodiments further specifically describe the purposes, technical solutions and beneficial effects of the present application, and it should be understood that the above-described specific embodiments are merely examples of the present application and are not intended to limit the present application. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.
Claims
1. A film tension control device for a pharmaceutical blister packer, characterized by: The application relates to a drug wrapping film winding shaft fixing plate, a first guide shaft, a second guide shaft and a third guide shaft, a damping device is arranged on the other side of the fixing plate, the damping device comprises a damping mounting frame arranged on the fixing plate, a rotary damper arranged on the damping mounting frame, a shaft coupling connecting the driving end of the rotary damper and the drug wrapping film winding shaft, a tension adjusting shaft and a tension adjusting device used in cooperation with the tension adjusting shaft, the tension adjusting device is located on the same side of the damping device, an adjusting hole is formed in the fixing plate for the up-down movement of the tension adjusting shaft, and the position of the tension adjusting shaft is below the second guide shaft.
2. The blister membrane tension control apparatus for a pharmaceutical dispensing machine according to claim 1, characterized by: The tension adjusting device comprises a guide rail frame, a sliding block used in cooperation with the guide rail frame, a tension bolt and a tension spring, guide rails are arranged on the guide rail frame along the length direction of the adjusting hole, the tension adjusting shaft is threadedly connected with the sliding block, the tension bolt is arranged at the top end of the guide rail frame, and a spring column is further arranged on the side of the sliding block facing the tension bolt, so that the spring is limited by the spring column and the tension bolt.
3. The blister card tension control apparatus for a pharmaceutical dispensing machine of claim 2, wherein: The free height of the tension spring is greater than the length of the guide rail minus the height of the sliding block.
4. The blister card tension control apparatus for a pharmaceutical dispensing machine of claim 2, wherein: The position sensing sheet is arranged on the side of the sliding block away from the guide rail, and a plurality of photoelectric sensors are arranged along the moving direction of the sliding block.
5. The blister card tension control apparatus for a pharmaceutical dispensing machine of claim 1, wherein: The top end of the adjusting hole is lower than the lowest end of the first guide shaft.
6. The blister card tension control apparatus for a pharmaceutical dispensing machine of claim 5, wherein: The second guide shaft and the third guide shaft are located on the same horizontal line.
7. The blister card tension control apparatus for a pharmaceutical dispensing machine of claim 1, wherein: The first guide shaft, the second guide shaft and the third guide shaft all comprise a guide fixed shaft and a shaft sleeve used in cooperation with the guide fixed shaft, the non-overlapping part of the guide fixed shaft and the shaft sleeve is provided with a thread, the guide fixed shaft is arranged through the fixing plate, and the guide fixed shaft is fixed on the fixing plate through a nut.