CN209934872U

CN209934872U - Medicine reducing mechanism

Info

Publication number: CN209934872U
Application number: CN201920245948.1U
Authority: CN
Inventors: 张建强; 武新安; 魏玉辉; 方燕祥; 张玉春
Original assignee: First Hospital of Lanzhou University
Current assignee: First Hospital of Lanzhou University
Priority date: 2019-02-27
Filing date: 2019-02-27
Publication date: 2020-01-14
Anticipated expiration: 2029-02-27

Abstract

The utility model discloses a medicine crushing device, including rubbing crusher and vibration sieve mechanism, rubbing crusher includes a rubbing crusher and a crushing motor, be equipped with central pivot in the rubbing crusher, the one end of central pivot and the output shaft fixed connection of crushing motor, fixedly connected with a plurality of moving blade in the central pivot, a plurality of moving blade circumference equipartition is in the central pivot, be equipped with the stationary blade with moving blade position assorted on the inner wall of rubbing crusher, the upper end of rubbing crusher is equipped with the feed inlet, the lower extreme is equipped with the discharge gate, rubbing crusher intercommunication has the air-blower, the casing of air-blower is fixed on the outer wall of rubbing crusher; the vibrating screen mechanism comprises a screen, a material receiving groove and a vibrating driving mechanism, the material receiving groove is located under the discharge port, the vibrating driving mechanism is connected with the material receiving groove, the screen is arranged in the material receiving groove and detachably connected with the material receiving groove, so that the medicine in the crushing barrel is fully crushed, the crushing effect and the crushing efficiency of the medicine are improved, and the medicine utilization rate is improved.

Description

Medicine reducing mechanism

Technical Field

The utility model relates to a pharmaceutical manufacturing equipment technical field especially relates to a medicine reducing mechanism.

Background

The medicinal materials are mostly derived from plants, insects and animals in the nature, and in order to increase the surface area of the medicament, promote the dissolution of the medicament, facilitate the preparation, the taking and the exertion of the drug effect, the medicinal materials are usually required to be crushed after being cleaned and dried so as to obtain the medicament with the proper crushing degree, and the preparation of the medicament into various medicament forms is facilitated. However, in the conventional medical crushing device, under the rotation of the central rotating shaft, due to the centrifugal effect, a lot of medicines are put on the inner wall of the crushing cylinder and fall along the cylinder wall under the condition of not being crushed, so that the defect of poor crushing effect is inevitably caused, and the medicines are directly collected after passing through the crushing device, so that the medicines which are not crushed at the doped part may still need secondary treatment, and the crushing effect, the efficiency and the utilization rate of the medicines are all low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a medicine reducing mechanism to solve the problem that above-mentioned prior art exists, make the medicine in the crushing barrel fully smash, show crushing effect, the crushing efficiency that improves the medicine, thereby improve the utilization ratio of medicine.

In order to achieve the above object, the utility model provides a following scheme:

the utility model provides a medicine crushing device, which comprises a crushing mechanism and a vibrating screen mechanism, wherein the crushing mechanism comprises a crushing barrel and a crushing motor, a central rotating shaft is arranged in the crushing barrel, one end of the central rotating shaft is fixedly connected with an output shaft of the crushing motor, a plurality of movable blades are fixedly connected with the central rotating shaft and are circumferentially and uniformly distributed on the central rotating shaft, fixed blades matched with the movable blades are arranged on the inner wall of the crushing barrel, a feed inlet is arranged at the upper end of the crushing barrel, a discharge outlet is arranged at the lower end of the crushing barrel, a switch valve is connected on the discharge outlet, the crushing barrel is communicated with an air blower, and a shell of the air blower is fixed on the outer wall of the crushing barrel; the vibrating screen mechanism comprises a screen, a material receiving groove and a vibrating driving mechanism, the material receiving groove is located under the discharge port, the vibrating driving mechanism is connected with the material receiving groove and can drive the material receiving groove to vibrate in a reciprocating mode, and the screen is arranged in the material receiving groove and detachably connected with the material receiving groove.

Furthermore, the crushing motor is a variable-frequency speed-regulating motor, an output shaft of the crushing motor is fixedly connected with the central rotating shaft through a coupler, and a shell of the crushing motor is fixed on the crushing barrel.

Furthermore, the movable blades are divided into at least two layers, each layer of the movable blades are uniformly distributed on the central rotating shaft in the circumferential direction, and the inner wall of the crushing barrel is provided with the fixed blades which are respectively matched with the movable blades on each layer in position.

Further, the lower end of the discharge hole is communicated with a discharge pipe, and the discharge pipe extends to the upper side of the screen.

Furthermore, the four corners of the screen are fixedly connected with hooks, and the hooks are buckled on the material receiving groove.

Further, vibration actuating mechanism includes vibrating cylinder, slider and base, vibrating cylinder's push rod with receive silo fixed connection, vibrating cylinder passes through the fixed bolster to be fixed on the base, vibrating cylinder is connected with air current control governing valve and air feeder, the slider is fixed receive the bottom of silo, the slider with base sliding connection.

Furthermore, the bottom of slider is equipped with the guide block, be equipped with on the base with guide block assorted guide slot.

Furthermore, one end of the material receiving groove, far away from the vibration cylinder, is connected with at least one reset spring, and one end of the reset spring is fixedly connected with the material receiving groove, and the other end of the reset spring is fixed on the base.

The utility model discloses for prior art gain following technological effect:

in the embodiment, the medicine is added from the feed inlet, the crushing motor drives the central rotating shaft to rotate and is driven to rotate the movable blade, so that the medicine is cut and crushed, and due to the existence of centrifugal force, part of the medicine thrown onto the crushing cylinder wall is cut and crushed by the movable blade, so that the phenomenon that the medicine falls along the crushing cylinder wall without being crushed is avoided, and the crushing effect of the medicine is improved; meanwhile, the blower at the lower end can blow the medicines which are not completely crushed to repeatedly contact and repeatedly crush the medicines with the movable blade and the fixed blade, so that the crushing effect is obviously improved, and the crushing efficiency is also improved; in addition, the crushed medicine enters a vibrating screen mechanism for automatic screening and selection, and finally the medicine with excellent crushing effect and better crushing quality is obtained.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the drug crushing device of the present invention;

FIG. 2 is a left side view of the vibratory screen mechanism of FIG. 1;

wherein: 1-crushing barrel, 2-fixed blade, 3-movable blade, 4-central rotating shaft, 5-crushing motor, 6-feeding hole, 7-discharging hole, 8-material receiving groove, 9-vibration cylinder, 10-fixed support, 11-base, 12-slide block, 13-reset spring, 14-screen mesh, 15-air blower, 16-hook, 17-guide block and 18-guide groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

As shown in fig. 1-2: the embodiment provides a drug crushing device, including rubbing crusher structure and vibration sieve mechanism, rubbing crusher structure includes crushing barrel 1 and crushing motor 5, the upper end of crushing barrel 1 is equipped with feed inlet 6, the lower extreme is equipped with discharge gate 7, be equipped with central pivot 4 in the crushing barrel 1, the one end of central pivot 4 and crushing motor 5's output shaft fixed connection, fixedly connected with a plurality of knife section 3 on the central pivot 4, 3 circumference equipartitions of a plurality of knife section are on central pivot 4, be equipped with on the inner wall of crushing barrel 1 with knife section 3 position assorted stationary blade 2, 1 lower extreme intercommunication of crushing barrel has air-blower 15, air-blower 15's casing passes through the fan support to be fixed on the outer wall of crushing barrel 1. In using, 5 drive center pivots 4 of crushing motor rotate, drive the movable blade 3 and rotate, carry out the crushing of medicine, and simultaneously, because the medicine that the centrifugal force of rotating was got rid of on the 1 wall of crushing barrel is smashed by stationary blade 2, avoid the medicine not smashed the phenomenon of directly following the landing of 1 inner wall of crushing barrel, improve the crushing effect of medicine and the utilization ratio of medicine, crushing barrel 1 can blow the medicine up simultaneously, make medicine and movable blade 3, the contact is repeated to the stationary blade 2 and smash, show the crushing effect that improves the medicine.

In addition, vibration sieve mechanism includes including screen cloth 14, receive silo 8 and vibration actuating mechanism, receive silo 8 and be located discharge gate 7 under, vibration actuating mechanism is connected and can drive with receiving silo 8 and receive silo 8 reciprocating vibration, screen cloth 14 sets up in receiving silo 8 and can dismantle with receiving silo 8 and be connected, the equal fixedly connected with couple 16 in screen cloth 14's four corners department, couple 16 hangs and detains on receiving silo 8, 7 lower extreme intercommunications of discharge gate have the discharging pipe, be equipped with switch valve on the discharging pipe, the discharging pipe extends to screen cloth 14's top. The medicine after crushing through crushing barrel 1 directly releases on screen cloth 14, directly falls into through sieving the selection and receives the silo 8 in, has not fully kibbling medicine on the screen cloth 14, closes the switch valve temporarily, can be swift dismantle screen cloth 14, pours into crushing barrel 1 through feed inlet 6 and smashes once more to provide the utilization ratio of medicine. And different mesh sizes of the screen 14 can be selected according to different needs.

Preferably, the variable frequency speed regulating motor is selected as the crushing motor 5, the output shaft of the crushing motor 5 is fixedly connected with the central rotating shaft 4 by a coupler, the shell of the crushing motor 5 is fixed on the crushing barrel 1, and the variable frequency speed regulating motor can be used for regulating the rotating speed to meet the crushing requirements of different medicines due to different crushing forces required by the medicines. The movable blades 3 are divided into at least two layers, each layer of movable blades 3 is circumferentially and uniformly distributed on the central rotating shaft 4, the inner wall of the crushing barrel 1 is provided with the fixed blades 2 which are respectively matched with the positions of the movable blades 3 of each layer, the three layers are preferably adopted in the embodiment, specifically, as shown in figure 1, the medicine is crushed step by step, and the medicine crushing effect is improved.

Vibration actuating mechanism includes vibrating cylinder 9, slider 12 and base 11, vibrating cylinder 9's push rod and receive 8 fixed connection in silo, vibrating cylinder 9 passes through fixed bolster 10 to be fixed on base 11, vibrating cylinder 9 is connected with air current control governing valve and air feeder, slider 12 is fixed in the bottom of receiving silo 8,

slider

12 and 11 sliding connection in base, the bottom of slider 12 is equipped with the guide block, be equipped with on the base 11 with guide block 17 assorted guide slot 18. In the embodiment, the sliding blocks 12 are respectively fixed at the four corners of the bottom of the material receiving groove 8, and the concrete sliding blocks can be fixedly connected by using bolts. The push rod of vibrating cylinder 9 can drive and receive 8 reciprocating sliding of silo to the vibration of silo 8 is received in the realization, realizes the screening of medicine, can utilize the size of air current control governing valve to adjust vibrating cylinder 9's vibration frequency and vibrational force according to receiving how much of the medicine in silo 8 simultaneously, in order to be applicable to different medicine screening. Receive the silo 8 and go up the one end of keeping away from vibrating cylinder 9 and be connected with at least one reset spring 13, reset spring 13's one end and receive silo 8 fixed connection, the other end is fixed on base 11, selects two reset springs 13 in this embodiment, specifically as shown in fig. 2. In receiving silo 8 reciprocating vibration, reset spring 13 can play the cushioning effect to receiving the removal of silo 8, avoids receiving silo 8 vibration range too big, makes medicine spill, unrestrained phenomenon, simultaneously, when vibrating cylinder 9 stop work, reset spring 13 can also make and receive silo 8 automatic re-setting.

When the medicine crushing machine is used, the rotating speed of the crushing motor 5 is set according to different medicines, the medicines are added from the feeding hole 6 to be crushed, and meanwhile, the air blower 15 is started to repeatedly blow and repeatedly crush the medicines in the crushing barrel 1; after smashing and finishing, open switch valve, on the screen cloth 14 is fallen through discharge gate 7, discharging pipe to the medicine after smashing, receive silo 8 by the drive of vibrating cylinder 9 and carry out the vibration repeatedly, carry out automatic sieve and move the selection to the medicine, dismantle screen cloth 14 at last to add crushing barrel 1 with not thoroughly kibbling medicine on the screen cloth 14, close switch valve and smash once more, will receive the medicine in the silo 8 simultaneously and take out, collect.

The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.

Claims

1. A medicine crushing device which is characterized in that: the crushing mechanism comprises a crushing barrel and a vibrating screen mechanism, the crushing mechanism comprises a crushing barrel and a crushing motor, a central rotating shaft is arranged in the crushing barrel, one end of the central rotating shaft is fixedly connected with an output shaft of the crushing motor, a plurality of movable blades are fixedly connected to the central rotating shaft, the plurality of movable blades are circumferentially and uniformly distributed on the central rotating shaft, fixed blades matched with the movable blades in position are arranged on the inner wall of the crushing barrel, a feed port is formed in the upper end of the crushing barrel, a discharge port is formed in the lower end of the crushing barrel, a switch valve is connected to the discharge port, the crushing barrel is communicated with an air blower, and a shell of the air blower is fixed on the outer wall of the crushing; the vibrating screen mechanism comprises a screen, a material receiving groove and a vibrating driving mechanism, the material receiving groove is located under the discharge port, the vibrating driving mechanism is connected with the material receiving groove and can drive the material receiving groove to vibrate in a reciprocating mode, and the screen is arranged in the material receiving groove and detachably connected with the material receiving groove.

2. The medication comminution device of claim 1, wherein: the crushing motor is a variable-frequency speed-regulating motor, an output shaft of the crushing motor is fixedly connected with the central rotating shaft through a coupler, and a shell of the crushing motor is fixed on the crushing barrel.

3. The medication comminution device of claim 1, wherein: the movable blades are divided into at least two layers, each layer of movable blades are uniformly distributed on the central rotating shaft in the circumferential direction, and the fixed blades matched with the movable blades in the layers are arranged on the inner wall of the crushing barrel respectively.

4. The medication comminution device of claim 1, wherein: the lower end of the discharge port is communicated with a discharge pipe, and the discharge pipe extends to the upper part of the screen.

5. The medication comminution device of claim 1, wherein: the four corners of the screen are fixedly connected with hooks, and the hooks are buckled on the material receiving groove.

6. The medication comminution device of claim 1, wherein: the vibration driving mechanism comprises a vibration cylinder, a sliding block and a base, a push rod of the vibration cylinder is fixedly connected with the material receiving groove, the vibration cylinder is fixed on the base through a fixing support, the vibration cylinder is connected with an air flow control adjusting valve and an air supply device, the sliding block is fixed at the bottom of the material receiving groove, and the sliding block is connected with the base in a sliding mode.

7. The medication comminution device of claim 6, wherein: the bottom of slider is equipped with the guide block, be equipped with on the base with guide block assorted guide slot.

8. The medication comminution device of claim 6, wherein: the one end of receiving the silo and keeping away from vibrating cylinder is connected with at least one reset spring, reset spring's one end with receive silo fixed connection, the other end is fixed on the base.