Mixing device for medicine preparation

Abstract

The utility model relates to the technical field of medicine preparation, and discloses a mixing device for medicine preparation, which comprises a support, a lifting rod is mounted on one side of the support in an up-down sliding manner, a stirring mechanism is arranged at the end of the lifting rod, a lantern ring is fixedly mounted on one side of the support and is arranged below the stirring mechanism, and the lifting rod is connected with the lantern ring. A mixing barrel is installed in the lantern ring in an up-down sliding mode, a shaking mechanism used for driving the mixing barrel to shake up and down is arranged on the back of the support, the stirring mechanism comprises a rotating shaft, the rotating shaft is sleeved with a lifting ring in a sliding mode, and a plurality of first connecting rods are rotatably installed outside the lifting ring; and the end part of each first connecting rod is rotationally connected with a stirring rod. According to the utility model, the mixing barrel can be driven by the shaking mechanism to shake up and down when a medicament is stirred, so that the medicament in the mixing barrel is displaced, the dead zone of stirring is reduced, the mixing uniformity is improved, and the mixing speed is accelerated.

Description

Technical Field

[0001] The utility model relates to the technical field of drug preparation, in particular to a mixing device for drug preparation. Background Art

[0002] Fulvestrant is a drug used to treat certain types of breast cancer, especially hormone receptor-positive metastatic breast cancer. A special mixing device is required to prepare Fulvestrant injection. Existing mixing devices for drug preparation usually put the required drugs into the same container and stir and mix them with a stirring rod. However, the existing stirring rod has a single structure and low stirring efficiency. There are often dead corners during stirring. The drugs at the bottom of the container are difficult to be fully stirred, which easily leads to uneven mixing of the drugs. In addition, the mixing efficiency is low and the processing time is long if the drugs are mixed only by the stirring rod. Utility Model Content

[0003] In view of the deficiencies of the prior art, the utility model provides a mixing device for drug preparation, which solves the technical problem that the prior equipment only relies on a stirring rod to mix the drugs, which easily leads to uneven mixing of the drugs and low mixing efficiency.

[0004] In order to solve the above technical problems, the utility model provides the following technical solutions: a mixing device for drug preparation, comprising a bracket, a lifting rod is slidably mounted on one side of the bracket, a stirring mechanism is arranged at the end of the lifting rod, a collar is fixedly mounted on one side of the bracket, the collar is arranged below the stirring mechanism, and a mixing barrel is slidably mounted in the collar, and a shaking mechanism for driving the mixing barrel to shake up and down is arranged on the back of the bracket;

[0005] The stirring mechanism includes a rotating shaft, an external sliding sleeve of the rotating shaft is provided with a lifting ring, a plurality of first connecting rods are rotatably installed on the outside of the lifting ring, the end of each of the first connecting rods is rotatably connected to a stirring rod, and a plurality of second connecting rods corresponding to the first connecting rods are rotatably installed on the lower end of the rotating shaft, and the ends of the plurality of second connecting rods are respectively hinged to the plurality of stirring rods.

[0006] Furthermore, a sliding sleeve is threadedly connected to the outer surface of the rotating shaft, an anti-slip pattern is arranged on the top of the sliding sleeve, and the lower end of the sliding sleeve is rotatably connected to the top of the lifting ring.

[0007] Furthermore, a splash-proof cover is rotatably mounted on the outer surface of the sliding sleeve, a feed inlet is provided on the mixing barrel, and a diameter of the splash-proof cover is larger than a diameter of the feed inlet.

[0008] Furthermore, the plurality of first connecting rods are evenly distributed along the circumference of the axis of the rotating shaft, and the number of the first connecting rods is set to be no less than three.

[0009] Furthermore, the shaking mechanism includes a servo motor and a support, the servo motor is fixedly installed on the back of the support, the support is fixedly installed on the bottom side of the support, the output end of the servo motor is fixedly connected to a turntable through the support, a connecting rod is rotatably installed on the side of the turntable, and the upper end of the connecting rod is hinged to the bottom of the support.

[0010] Furthermore, a servo motor 2 is fixedly installed on the top of the bracket, and a threaded rod is fixedly connected to the output end of the servo motor 2. The threaded rod is rotatably installed in the bracket, and one end of the lifting rod away from the stirring mechanism is threadedly connected to the outer surface of the threaded rod.

[0011] Furthermore, a servo motor three is fixedly mounted on the top of the lifting rod, and an output end of the servo motor three passes through the lifting rod and is fixedly connected to the axis of the rotating shaft.

[0012] By means of the above technical solution, the utility model provides a mixing device for drug preparation, which has at least the following beneficial effects:

[0013] 1. The utility model is provided with a stirring mechanism and a shaking mechanism, and when stirring the medicine, the shaking mechanism can drive the mixing barrel to shake up and down, so that the medicine in the mixing barrel is displaced, the stirring dead zone is reduced, the mixing uniformity is improved, and the mixing speed is accelerated.

[0014] 2. The utility model provides a first connecting rod and a second connecting rod to facilitate the control of the contraction and expansion of the stirring rod. When the stirring rod is contracted, it is convenient to remove it from the mixing barrel. When the stirring rod is expanded, the stirring range of the stirring mechanism can be expanded, thereby improving the mixing rate of the equipment for the medicine. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a partial structural schematic diagram of the utility model;

[0018] Figure 3 This is a schematic diagram of the stirring mechanism structure of the utility model;

[0019] Figure 4 Based Figure 3 An enlarged view of point A is shown.

[0020] In the figure: 1. bracket; 2. stirring mechanism; 21. rotating shaft; 22. sliding sleeve; 23. lifting ring; 24. first connecting rod; 25. second connecting rod; 26. stirring rod; 27. splash-proof cover; 3. collar; 4. mixing barrel; 5. shaking mechanism; 51. servo motor one; 52. turntable; 53. connecting rod; 54. support; 6. servo motor two; 7. threaded rod; 8. lifting rod; 9. servo motor three. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Existing mixing devices for drug preparation usually put the required drugs into the same container and mix them by stirring them with a stirring rod. However, the existing stirring rod has a single structure and low stirring efficiency. There are often stirring dead corners during stirring. The drugs at the bottom of the container are difficult to be fully stirred, which easily leads to uneven mixing of the drugs. Moreover, if the drugs are mixed only by the stirring rod, the mixing efficiency is low and the processing time is long.

[0023] To solve the defects of this mixing device during the mixing process, please refer to Figure 1-Figure 4 The utility model provides a mixing device for drug preparation, which can mix and stir medicines through a stirring mechanism, and drive the mixing barrel to shake, so that the medicines in the mixing barrel are displaced, the dead zone of stirring is reduced, the uniformity of mixing is improved, and the speed of mixing is accelerated. The mixing device has a bracket 1 as a basis, a lifting rod 8 is installed on one side of the bracket 1 for sliding up and down, and a stirring mechanism 2 is arranged at the end of the lifting rod 8, a sleeve ring 3 is fixedly installed on one side of the bracket 1, the sleeve ring 3 is arranged below the stirring mechanism 2, and a mixing barrel 4 is installed in the sleeve ring 3 for sliding up and down, and a discharge port is arranged at the bottom of the mixing barrel 4, and the medicine is poured into the mixing barrel 4, and the medicine is stirred by the stirring mechanism 2, and a shaking mechanism 5 for driving the mixing barrel 4 to shake up and down is arranged on the back of the bracket 1, and the shaking mechanism 5 drives the mixing barrel 4 to shake, and the shaking of the mixing barrel 4 drives the medicine in the mixing barrel 4 to shake, so that the medicine is displaced, and the mixing rate of the medicine is accelerated, which is more convenient for the stirring of the stirring mechanism 2.

[0024] To optimize the stirring rate of the equipment, refer to Figure 3 and Figure 4As shown, the rotating shaft 21 is rotatably installed at the front end of the lifting rod 8, and a servo motor 39 is fixedly installed on the top of the lifting rod 8. The output end of the servo motor 39 passes through the lifting rod 8 and is fixedly connected to the axis of the rotating shaft 21. Driving the servo motor 39 can drive the rotating shaft 21 to rotate. The external sliding sleeve of the rotating shaft 21 is provided with a lifting ring 23, and the external rotatable installation of the lifting ring 23 is provided with a plurality of first connecting rods 24. The plurality of first connecting rods 24 are evenly distributed along the circumference of the axis of the rotating shaft 21, and the number of the first connecting rods 24 is set to be not less than three, and the end of each first connecting rod 24 is rotatably connected to a stirring rod 26. The lower end of the rotating shaft 21 A plurality of second connecting rods 25 corresponding to the first connecting rod 24 are rotatably installed, and the ends of the plurality of second connecting rods 25 are respectively hinged on the plurality of stirring rods 26. The lifting ring 23 slides up and down to drive the first connecting rod 24 to rotate. The rotation of the first connecting rod 24 and the second connecting rod 25 can drive the stirring rod 26 to expand or contract. The rotating shaft 21 is inserted into the mixing barrel 4. The rotation of the rotating shaft 21 drives the first connecting rod 24, the second connecting rod 25 and the stirring rod 26 to stir the medicine at the same time. The lifting ring 23 is controlled to slide down to drive the plurality of stirring rods 26 to expand, thereby expanding the stirring range of the stirring mechanism 2 and improving the mixing rate of the equipment.

[0025] In order to facilitate the control of the expansion and contraction of the stirring rod 26, refer to Figure 3 As shown, a sleeve 22 is threadedly connected to the outer surface of the rotating shaft 21, and an anti-slip pattern is provided on the top of the sleeve 22. The lower end of the sleeve 22 is rotatably connected to the top of the lifting ring 23. The anti-slip pattern is convenient for rotating the sleeve 22. The sleeve 22 can be lifted and lowered along the rotating shaft 21 by rotation. The lifting and lowering of the sleeve 22 can drive the lifting and lowering of the lifting ring 23, thereby facilitating the control of the expansion and contraction of the stirring rod 26.

[0026] When the shaking mechanism 5 drives the mixing barrel 4 to shake up and down, the medicine in the mixing barrel 4 may splash out. In order to solve this technical problem, a splash-proof cover 27 is rotatably installed on the outer surface of the sliding sleeve 22. A feed port is provided on the mixing barrel 4. The diameter of the splash-proof cover 27 is larger than the diameter of the feed port. The diameter of the feed port of the mixing barrel 4 gradually decreases from bottom to top. The splash-proof cover 27 is adapted to the mixing barrel 4, and the amount of medicine stirred each time is not more than two-thirds of the capacity of the mixing barrel 4, which can prevent the medicine from splashing out of the mixing barrel 4 when the mixing barrel 4 shakes up and down.

[0027] In order to achieve the shaking of the mixing barrel 4, facilitate more uniform mixing of the medicines and speed up the mixing speed, a servo motor 51 and a support 54 are provided. The servo motor 51 is fixedly installed on the back of the bracket 1, and the support 54 is fixedly installed on the bottom side of the bracket 1. The output end of the servo motor 51 passes through the bracket 1 and is fixedly connected to a turntable 52. A connecting rod 53 is rotatably installed on the side of the turntable 52. The upper end of the connecting rod 53 is hinged to the bottom of the support 54. Driving the servo motor 51 can drive the turntable 52 to rotate. The rotation of the turntable 52 can pull the ring 3 to slide up and down in the mixing barrel 4 through the connecting rod 53, so that the medicine in the mixing barrel 4 can be driven to shake up and down during the stirring process of the stirring mechanism 2, thereby improving the stirring efficiency.

[0028] In order to facilitate the control of the rotating shaft 21 entering into the mixing barrel 4 and moving out of the mixing barrel 4, refer to Figure 1 As shown, a servo motor 26 is fixedly installed on the top of the bracket 1, and a threaded rod 7 is fixedly connected to the output end of the servo motor 26. The threaded rod 7 is rotatably installed in the bracket 1, and one end of a lifting rod 8 away from the stirring mechanism 2 is threadedly connected to the outer surface of the threaded rod 7. The servo motor 26 is driven to drive the threaded rod 7 to rotate, and the rotation of the threaded rod 7 drives the lifting rod 8 to slide up and down. The lifting rod 8 slides up and down to drive the stirring mechanism 2 to rise and fall as a whole, thereby facilitating the stirring mechanism 2 to perform stirring work.

[0029] The control method of the present invention is automatic control through a controller. The control circuit of the controller can be realized by simple programming by technicians in this field. The provision of power is also common knowledge in this field. The present invention is mainly used to protect mechanical devices, so the present invention will no longer explain the control method and circuit connection in detail.

[0030] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A mixing device for preparing a drug, comprising a support (1), characterized in that: A lifting rod (8) is mounted on one side of the bracket (1) so as to slide up and down, and a stirring mechanism (2) is arranged at the end of the lifting rod (8); a collar (3) is fixedly mounted on one side of the bracket (1), and the collar (3) is arranged below the stirring mechanism (2), and a mixing barrel (4) is mounted in the collar (3) so as to slide up and down; a shaking mechanism (5) for driving the mixing barrel (4) to shake up and down is arranged on the back of the bracket (1); The stirring mechanism (2) comprises a rotating shaft (21), an external sliding sleeve of the rotating shaft (21) is provided with a lifting ring (23), a plurality of first connecting rods (24) are rotatably mounted on the outside of the lifting ring (23), the end of each of the first connecting rods (24) is rotatably connected to a stirring rod (26), and a plurality of second connecting rods (25) corresponding to the first connecting rods (24) are rotatably mounted on the lower end of the rotating shaft (21), and the ends of the plurality of second connecting rods (25) are respectively hinged to the plurality of stirring rods (26).

2. The mixing device according to claim 1, characterized in that: The outer surface of the rotating shaft (21) is threadedly connected with a sliding sleeve (22), the top of the sliding sleeve (22) is provided with anti-slip grooves, and the lower end of the sliding sleeve (22) is rotatably connected to the top of the lifting ring (23).

3. The mixing device according to claim 2, characterized in that: A splash-proof cover plate (27) is rotatably mounted on the outer surface of the sliding sleeve (22), a feed inlet is provided on the mixing barrel (4), and the diameter of the splash-proof cover plate (27) is larger than the diameter of the feed inlet.

4. The mixing device according to claim 1, characterized in that: The plurality of first connecting rods (24) are evenly distributed along the circumference of the axis of the rotating shaft (21), and the number of the first connecting rods (24) is not less than three.

5. The mixing device according to claim 1, characterized in that: The shaking mechanism (5) comprises a servo motor (51) and a support (54); the servo motor (51) is fixedly mounted on the back of the support (1); the support (54) is fixedly mounted on one side of the bottom of the support (1); the output end of the servo motor (51) passes through the support (1) and is fixedly connected to a turntable (52); a connecting rod (53) is rotatably mounted on the side of the turntable (52); the upper end of the connecting rod (53) is hinged to the bottom of the support (54).

6. The mixing device according to claim 1, characterized in that: A servo motor 2 (6) is fixedly mounted on the top of the bracket (1); a threaded rod (7) is fixedly connected to the output end of the servo motor 2 (6); the threaded rod (7) is rotatably mounted in the bracket (1); and one end of the lifting rod (8) away from the stirring mechanism (2) is threadedly connected to the outer surface of the threaded rod (7).

7. The mixing device according to claim 1, characterized in that: A servo motor three (9) is fixedly mounted on the top of the lifting rod (8), and the output end of the servo motor three (9) passes through the lifting rod (8) and is fixedly connected to the axis of the rotating shaft (21).

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