Pharmaceutical mixing device

Abstract

The utility model belongs to the technical field of pharmacy, and discloses a mixing device for pharmacy, which comprises a base frame and a support frame, the base frame is connected with a stirring barrel with a conical bottom, the top of the stirring barrel is provided with a feed port, the bottom of the stirring barrel is provided with a discharge port, a stirring sleeve is rotatably connected in the stirring barrel, and a stirring rod is rotatably connected in the stirring sleeve. The stirring rod is rotationally connected with the supporting frame, and a plurality of stirring paddles are connected to the stirring rod and the stirring sleeve; the stirring sleeve is connected with a first bevel gear, the stirring rod is connected with a second bevel gear, the supporting frame is connected with a third bevel gear meshed with the first bevel gear and the second bevel gear at the same time, and the third bevel gear is connected with a driving device; a plurality of scraping devices are connected in the circumferential direction of the stirring sleeve and the circumferential direction of the stirring rod, and the scraping devices are used for scraping raw materials accumulated on the wall of the stirring barrel; the medicine mixing device solves the problems that raw materials are easy to accumulate in an existing medicine mixing device and the raw materials are not uniformly mixed.

Description

Technical Field

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

[0002] With the development of social technology, the pharmaceutical industry is developing more and more rapidly, which has accelerated the development of pharmaceutical experiments. Pharmacy mainly studies the source, preparation, properties, effects, analysis, identification, preparation, production, storage and search of drugs, including the synthesis of new drugs. Its main task is to continuously provide more effective drugs and improve the quality of drugs, ensure the safety of drug use, and enable patients to treat or cure diseases in a way that minimizes harm and maximizes benefits.

[0003] During the production process, pharmaceutical raw materials need to be mixed. The existing mixing device generally has a stirring rod in the center of the mixing barrel, and the motor drives the stirring rod to rotate to achieve stirring and mixing. During use, there are some defects: pharmaceutical raw materials are easily accumulated inside the device, which not only affects the mixing of the raw materials, but also is not conducive to the discharge of the raw materials; the raw materials are not mixed evenly. Utility Model Content

[0004] The utility model aims to provide a pharmaceutical mixing device to solve the problems of easy accumulation of raw materials and uneven mixing of raw materials in the existing drug mixing device.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] The basic technical solution provided by the utility model is:

[0007] A pharmaceutical mixing device comprises a base frame and a support frame, wherein a stirring barrel with a conical bottom is connected to the base frame, a feeding port is arranged on the top of the stirring barrel, and a discharging port is arranged on the bottom of the stirring barrel, a stirring sleeve is rotatably connected in the stirring barrel, a stirring rod is rotatably connected in the stirring sleeve, the stirring rod is rotatably connected to the support frame, a plurality of stirring paddles are connected to the stirring rod and the stirring sleeve, and the length of the stirring sleeve extending into the stirring barrel is less than the length of the stirring rod extending into the stirring barrel; a first bevel gear is connected to the stirring sleeve, a second bevel gear is connected to the stirring rod, a third bevel gear meshing with the first bevel gear and the second bevel gear is connected to the support frame, and the third bevel gear is connected to a driving device; and a plurality of scraping devices are connected to the circumference of the stirring sleeve and the circumference of the stirring rod, and the scraping devices are used to scrape off the raw materials accumulated on the wall of the stirring barrel.

[0008] Principles of basic technical solutions:

[0009] The base frame is used to install and fix the mixing barrel; the support frame is used to install the driving device, the third bevel gear and the stirring rod, so that the stirring rod can rotate and limit the sliding of the stirring rod in the axial direction; the length of the stirring sleeve in the mixing barrel is shorter than the length of the stirring rod in the mixing barrel, so as to facilitate the installation of the stirring paddle on the mixing sleeve and the stirring rod; the driving device drives the third bevel gear to rotate, and the rotation of the third bevel gear drives the first bevel gear and the second bevel gear to rotate in opposite directions, so that the stirring paddle on the mixing sleeve and the stirring paddle on the stirring rod rotate in opposite directions; the scraping device on the stirring rod and the mixing sleeve is used to scrape off the raw materials accumulated or agglomerated on the barrel wall during the mixing process.

[0010] The beneficial effects of the basic technical solution are:

[0011] The driving device drives the third bevel gear to rotate, and the rotation of the third bevel gear drives the first bevel gear and the second bevel gear to rotate in opposite directions. One driving device can realize the stirring paddle on the stirring rod and the stirring paddle on the stirring sleeve to rotate in opposite directions, so that the raw materials are mixed more evenly; the bottom of the stirring barrel is arranged to be conical, and the outlet is arranged at the pointed end of the cone, so as to facilitate the smooth discharge of the mixed raw materials and avoid the accumulation of raw materials in dead corners; by arranging a scraping device on the stirring rod and the stirring sleeve, the raw materials accumulated or agglomerated on the wall of the stirring barrel can be scraped off, so that the mixing is more uniform and the waste of raw materials is avoided.

[0012] Preferably, the scraper device comprises a first connecting rod connected to the stirring sleeve, the free end of the first connecting rod is connected to a second connecting rod extending along the axis direction of the stirring barrel, and the second connecting rod is connected to a scraper.

[0013] Through the above arrangement, the scraping device adopts the first connecting rod, the second connecting rod and the scraper, which is easy to manufacture and saves raw materials; and the first connecting rod and the second connecting rod can also play a stirring role, so that the raw materials are mixed more evenly; the interval between the scraper and the inner wall of the barrel is set according to needs, so that the raw materials agglomerated on the inner wall of the barrel can be scraped off as much as possible, so that the raw materials are mixed more evenly.

[0014] Preferably, the scraper device also includes a third connecting rod connected to the stirring rod, the third connecting rod is parallel to the conical side wall of the bottom of the stirring barrel, the free end of the third connecting rod is connected to a fourth connecting rod extending along the axial direction of the stirring barrel, and the third connecting rod and the fourth connecting rod are both connected to scrapers.

[0015] Through the above arrangement, the scraping device adopts the third connecting rod, the fourth connecting rod and the scraper, which is easy to manufacture and saves raw materials; and the third connecting rod and the fourth connecting rod can also play a stirring role, so that the raw materials are mixed more evenly; the interval between the scraper and the inner wall of the barrel is set as needed, so that the raw materials agglomerated on the inner wall of the barrel can be scraped off as much as possible, so that the raw materials are mixed more evenly; the third connecting rod is parallel to the conical side wall at the bottom of the mixing barrel, and the third connecting rod is connected to the scraper, which can scrape off the raw materials accumulated or agglomerated through the bottom wall, so that the raw materials are mixed more evenly and discharged more smoothly.

[0016] Preferably, the stirring paddle comprises a stirring ring connected to the stirring rod or the stirring sleeve, the stirring ring is connected to a plurality of square paddle plates along the circumferential direction, and the plate surfaces of the paddle plates are inclined to the radial plane of the stirring barrel.

[0017] Through the above arrangement, the stirring paddle adopts a stirring ring and a square stirring, which is easy to install and the raw materials are easy to obtain; the paddle plate is inclined with the radial plane of the stirring barrel, which can drive more raw materials during stirring, so that the raw materials are stirred more evenly.

[0018] Preferably, a reinforcing plate is connected between the paddle plate and the stirring ring.

[0019] Through the above arrangement, a reinforcing plate is connected between the paddle plate and the stirring ring, which can increase the service life of the paddle plate.

[0020] Preferably, a water inlet is provided on the top of the mixing barrel.

[0021] Through the above arrangement, by setting the water inlet, the situation of adding water and stirring while the raw materials are being processed can be met.

[0022] Preferably, the mixing barrel comprises a barrel body, and an end cap is detachably connected to the barrel body via threads.

[0023] Through the above arrangement, the barrel body and the end cover are detachably connected through threads, which is convenient for disassembly and assembly, and is convenient for replacing or repairing parts.

[0024] Preferably, the base frame comprises a support ring, the support ring is detachably connected to the mixing barrel via a buckle, and the support ring is connected to a plurality of support legs along the circumferential direction.

[0025] Through the above arrangement, the cooperation of the support ring and the plurality of support legs allows the bottom of the mixing barrel to be suspended in the air, so that the raw materials can be discharged smoothly from the bottom.

[0026] Preferably, the mixing barrel is evenly provided with a plurality of U-shaped buckles along the circumference, and the openings of the U-shaped buckles are adapted to the thickness of the support ring.

[0027] Through the above arrangement, the mixing barrel and the base frame are detachably connected via a U-shaped buckle, the mixing barrel can be replaced, and the installation is convenient.

[0028] Preferably, the support frame includes a crossbeam, one end of which is rotatably connected to the stirring rod via a bearing; a mounting frame for mounting the driving device is connected to the crossbeam, the free end of the crossbeam is connected to a longitudinal beam, and the other end of the longitudinal beam is connected to a foundation or a fixed object.

[0029] Through the above arrangement, the support frame adopts the crossbeam and the longitudinal beam, which is easy to manufacture and install, and the crossbeam can be installed with the driving device, the stirring rod and the third bevel gear, so that one beam has multiple uses and saves materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 This is a schematic diagram of the structure of a pharmaceutical mixing device of the utility model;

[0031] Figure 2 This is a schematic diagram of the structure of a pharmaceutical mixing device of the utility model with the wall of the mixing barrel cut off;

[0032] Figure 3 for Figure 1 A schematic diagram of the enlarged structure at point A;

[0033] Figure 4 This is a schematic structural diagram of an end cover of a pharmaceutical mixing device according to the utility model;

[0034] The names of the corresponding marks in the accompanying drawings are:

[0035] Base frame 1, support leg 11, support ring 12, mixing barrel 2, end cover 21, discharge port 22, feed port 23, water inlet 24, U-shaped buckle 25, stirring rod 3, second bevel gear 31, first bearing seat 32, third connecting rod 33, scraper 331, fourth connecting rod 34, stirring sleeve 4, first bevel gear 41, second bearing seat 42, stirring paddle 43, paddle 431, stirring ring 432, reinforcing plate 433, first connecting rod 44, second connecting rod 45, support frame 5, longitudinal beam 51, cross beam 52, mounting frame 521, third bevel gear 6, driving device 61. DETAILED DESCRIPTION

[0036] The present invention is further described in detail below in conjunction with the accompanying drawings and implementation examples:

[0037] like Figures 1 to 4As shown, a pharmaceutical mixing device comprises a base frame 1 and a support frame 5, the support frame 5 comprises a crossbeam 52 and a longitudinal beam 51, the base frame 1 comprises a support ring 12, the support ring 12 is evenly connected with three support legs 11 along the circumferential direction, a stirring barrel 2 with a conical bottom is connected inside the support ring 12, the stirring barrel 2 is evenly provided with three U-shaped buckles 25 along the circumferential direction, the opening of the U-shaped buckle 25 is adapted to the thickness of the support ring 12, the support ring 12 and the stirring barrel 2 are detachably connected through the U-shaped buckle 25; the stirring barrel 2 comprises a barrel body, and an end cover 21 is detachably connected to the barrel body through a thread; a feed inlet 23 and a water inlet 24 are arranged on the top of the stirring barrel 2, and a conical tip at the bottom of the stirring barrel 2 is arranged A discharge port 22 is provided; a stirring sleeve 4 is rotatably connected in the stirring barrel 2, the stirring sleeve 4 passes through the end cover 21 and extends into the stirring barrel 2, a second bearing seat 42 is connected to the end cover 21, and the stirring sleeve 4 is rotatably connected to the end cover 21 through the bearing in the bearing seat; a stirring rod 3 is rotatably connected in the stirring sleeve 4 through the bearing, a bearing seat is connected to the cross beam 52, and the stirring rod 3 is rotatably connected to one end of the cross beam 52 through the bearing in the bearing seat, a mounting frame 521 for mounting a motor is connected to the cross beam 52, a longitudinal beam 51 is connected to the free end of the cross beam 52, and the other end of the longitudinal beam 51 is fixedly connected to the foundation or a fixed object; a plurality of stirring paddles 43 are connected to the stirring rod 3 and the stirring sleeve 4, and the stirring sleeve The length of the tube 4 extending into the mixing barrel 2 is half of the length of the stirring rod 3 extending into the mixing barrel 2; the stirring sleeve 4 is connected to a first bevel gear 41, the stirring rod 3 is connected to a second bevel gear 31, the crossbeam 52 is connected to a third bevel gear 6 meshing with the first bevel gear 41 and the second bevel gear 31 at the same time, the third bevel gear 6 is connected to a motor, and the motor is installed in the mounting frame 521; and two scraping devices are connected to the circumference of the stirring sleeve 4 and the circumference of the stirring rod 3, the scraping device is used to scrape off the raw materials accumulated on the wall of the mixing barrel 2, the scraping device includes a first connecting rod 44 connected to the stirring sleeve 4, and the free end of the first connecting rod 44 is connected to a second connecting rod extending along the axial direction of the mixing barrel 2. A connecting rod 45, a scraper 331 is connected to the second connecting rod 45; the scraper device also includes a third connecting rod 33 connected to the stirring rod 3, the third connecting rod 33 is parallel to the conical side wall at the bottom of the stirring barrel 2, and the free end of the third connecting rod 33 is connected to the fourth connecting rod 34 extending along the axial direction of the stirring barrel 2, and the third connecting rod 33 and the fourth connecting rod 34 are both connected to the scraper 331; the stirring paddle 43 includes a stirring ring 432 connected to the stirring rod 3 or the stirring sleeve 4, the stirring ring 432 is connected to a plurality of square paddle plates 431 along the circumferential direction, and the paddle plates 431 are inclined to the radial plane of the stirring barrel 2, and a reinforcing plate 433 is connected between the paddle plates 431 and the stirring ring 432.

[0038] The specific implementation process is as follows:

[0039] After all components are installed, the raw materials are injected from the feed port 23, the feed port 23 is covered, and the motor power is turned on to rotate the third bevel gear 6, driving the first bevel gear and the second bevel gear to rotate in opposite directions, thereby driving the stirring rod 3 and the stirring paddle 43 on the stirring sleeve 4 to rotate in opposite directions to stir and mix the raw materials. After the stirring is completed, the discharge port 22 is opened to collect the mixed raw materials.

[0040] Among them, the driving device 61 drives the third bevel gear 6 to rotate. When the third bevel gear 6 rotates, it drives the first bevel gear 41 and the second bevel gear 31 to rotate in opposite directions. One driving device 61 can realize the stirring paddle 43 on the stirring rod 3 and the stirring paddle 43 on the stirring sleeve 4 to rotate in opposite directions, so that the raw materials are mixed more evenly; the bottom of the stirring barrel 2 is arranged to be conical, and the outlet is arranged at the pointed end of the cone, so that the mixed raw materials can be discharged smoothly to avoid the accumulation of raw materials in dead corners; by arranging a scraping device on the stirring rod 3 and the stirring sleeve 4, the raw materials accumulated or agglomerated on the wall of the stirring barrel 2 can be scraped off, so that the mixing is more uniform and the waste of raw materials is avoided.

[0041] The above is only an embodiment of the utility model, and the common knowledge such as the known specific technical scheme or characteristics in the scheme is not described in detail here. It should be pointed out that for those skilled in the art, several deformations and improvements can be made without departing from the technical scheme of the utility model, which should also be regarded as the protection scope of the utility model, and these will not affect the effect of the implementation of the utility model and the practicality of the patent. The scope of protection required by this application shall be based on the content of its claims, and the specific implementation methods and other records in the specification can be used to interpret the content of the claims.

Claims

1. A pharmaceutical mixing device, characterized in that: The invention comprises a base frame and a support frame, wherein a mixing barrel with a conical bottom is connected to the base frame, a feeding port is arranged on the top of the mixing barrel, a discharging port is arranged on the bottom of the mixing barrel, a mixing sleeve is rotatably connected in the mixing barrel, a mixing rod is rotatably connected in the mixing sleeve, the mixing rod is rotatably connected to the support frame, a plurality of mixing paddles are connected to the mixing rod and the mixing sleeve, and the length of the mixing sleeve extending into the mixing barrel is less than the length of the mixing rod extending into the mixing barrel; a first bevel gear is connected to the mixing sleeve, a second bevel gear is connected to the mixing rod, a third bevel gear meshing with the first bevel gear and the second bevel gear is connected to the support frame, and a plurality of scraping devices are connected in the circumference of the mixing sleeve and the circumference of the mixing rod, and the scraping devices are used to scrape off the raw materials accumulated on the wall of the mixing barrel.

2. The pharmaceutical mixing device according to claim 1, characterized in that: The scraper device comprises a first connecting rod connected to the stirring sleeve, a second connecting rod extending along the axis direction of the stirring barrel is connected to the free end of the first connecting rod, and a scraper is connected to the second connecting rod.

3. The pharmaceutical mixing device according to claim 2, characterized in that: The scraper device also includes a third connecting rod connected to the stirring rod, the third connecting rod is parallel to the conical side wall of the bottom of the stirring barrel, the free end of the third connecting rod is connected to a fourth connecting rod extending along the axis direction of the stirring barrel, and the third connecting rod and the fourth connecting rod are both connected to scrapers.

4. The pharmaceutical mixing device according to claim 1, characterized in that: The stirring paddle comprises a stirring ring connected to the stirring rod or the stirring sleeve, the stirring ring is connected with a plurality of square paddle plates along the circumference, and the paddle plates are inclined to the radial plane of the stirring barrel.

5. The pharmaceutical mixing device according to claim 4, characterized in that: A reinforcing plate is connected between the paddle plate and the stirring ring.

6. The pharmaceutical mixing device according to claim 1, characterized in that: A water inlet is arranged on the top of the mixing barrel.

7. The pharmaceutical mixing device according to claim 1, characterized in that: The mixing barrel comprises a barrel body, and an end cover is detachably connected to the barrel body via threads.

8. The pharmaceutical mixing device according to claim 1, characterized in that: The base frame comprises a support ring, the support ring is detachably connected to the mixing barrel via a buckle, and the support ring is connected to a plurality of support legs along the circumference.

9. The pharmaceutical mixing device according to claim 8, characterized in that: The mixing barrel is evenly provided with a plurality of U-shaped buckles along the circumference, and the openings of the U-shaped buckles are adapted to the thickness of the support ring.

10. The pharmaceutical mixing device according to claim 1, characterized in that: The support frame includes a crossbeam, one end of which is rotatably connected to the stirring rod via a bearing; a mounting frame for mounting the driving device is connected to the crossbeam, a longitudinal beam is connected to the free end of the crossbeam, and the other end of the longitudinal beam is connected to a foundation or a fixed object.

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