CN108672264B

CN108672264B - Shell medicine separating mechanism is selected to particle size defect capsule

Info

Publication number: CN108672264B
Application number: CN201810372918.7A
Authority: CN
Inventors: 郑伟哲
Original assignee: Quanzhou Zhihuiguo Technology Service Co ltd
Current assignee: QUANZHOU ZHIHUIGUO TECHNOLOGY SERVICE Co.,Ltd.
Priority date: 2018-04-24
Filing date: 2018-04-24
Publication date: 2021-03-02
Anticipated expiration: 2038-04-24
Also published as: CN111744768A; CN108672264A; CN111389719A; CN111389719B

Abstract

The invention relates to the technical field of capsule production. The utility model provides a shell medicine separating mechanism is selected to grain diameter defect capsule, includes the frame, including frame, lower spout, goes up the spout, lower spout shake mechanism, filler ring, shell medicine separating screen and rotate the vertical axis frame of connecting in the frame, is equipped with the capsule reference column of lining up on the vertical axis, and the capsule reference column of lining up is equipped with a plurality of capsules that line up the reference column circumference and distribute axial extension and store the through-hole, and a plurality of annular sword grooves of entering that extend axial distribution are lined up to the capsule on the global of reference column of lining up along the capsule, and the filler ring links together with the frame and overlaps and establish in the vertical axis and block and store the lower extreme of through-hole at the capsule that aligns with the filler ring, and the filler ring is equipped with capsule unloading breach, still is equipped with a plurality of blade that wear. The invention solves the problems that the capsules with the diameters larger than and smaller than the requirement cannot be conveniently selected and the separation of the medicine shells is laborious by manually cutting the capsules and sieving.

Description

Shell medicine separating mechanism is selected to particle size defect capsule

Technical Field

The invention relates to the technical field of capsule production, in particular to a shell and medicine separating mechanism for capsule selection with particle size defects.

Background

To the first full-automatic equipment inspection precision of capsule on the present market not high, can not guarantee the yields, artifical the detection only depends on the unapproved accuracy of naked eye to make the judgement to the capsule quality, the yields can not be guaranteed, long judgement time not only probably consumes a large amount of manual works, still be unfavorable for the holistic production of capsule, the problem of holistic economic benefits has been reduced, the artifical inspection machine of capsule that patent number zl2015201123352 has been designed, this inspection machine includes storage funnel, checkout stand and support, storage funnel, checkout stand and support connect gradually from the top down, the checkout stand includes the casing, the lower silo that the slope set up, the checkout tank, the yields groove, substandard product groove and the fluorescent tube that is located the checkout tank below, the yields groove, checkout groove and substandard product groove set gradually on the casing, shine the capsule through the fluorescent tube and improve the convenience of artifical mesh time measuring. However, capsules with diameters larger than and smaller than the requirement can be produced in the capsule production process, but no capsule equipment capable of selecting the capsules with the diameters larger than and smaller than the requirement exists in the market at present, so that the capsules with the diameters larger than and smaller than the requirement cannot be conveniently selected; when the medicine in the capsule of selecting is retrieved to current, cut the shell of capsule through artifical with the scissors, then put and sieve on the shale shaker and make the medicine shell separate, the artifical capsule of cutting exists hard not enough.

Disclosure of Invention

The invention provides a shell and medicine separating mechanism for capsule selection with particle size defects, which solves the problems that capsules with diameters larger than and smaller than requirements cannot be conveniently selected and the separation of medicine shells is difficult by manually shearing and screening the capsules.

The technical problem is solved by the following technical scheme: the shell and medicine separating mechanism for selecting capsules with particle size defects is characterized by comprising a rack, a lower chute, an upper chute, a lower chute shaking mechanism for driving the lower chute to shake, a supporting ring, a shell and medicine separating screen and a vertical rotating shaft rack which is rotatably connected to the rack, wherein the lower chute and the upper chute are flat bottom grooves and are obliquely arranged in the same direction, the lower end of the lower chute is provided with a good particle size capsule through hole through which only capsules with diameters smaller than the upper limit value of the diameter of the capsules can pass, the high end of the lower chute is provided with a small particle size defective capsule through hole through which only capsules with diameters smaller than the lower limit value of the diameter of the capsules can pass, the upper chute is connected to the lower chute and only shields the upper part of an area of the lower chute provided with small particle size defective capsule through holes, a capsule transition cavity is formed between the upper chute and the lower chute, and the capsule transition cavity is provided with a capsule outflow port, the height dimension of the capsule outflow port along the vertical direction is 1.5-2 times of the diameter of the capsule, the upper sliding chute is provided with a capsule scattering hole, the diameter of the capsule scattering hole is 2-2.5 times of the diameter of the capsule, the vertical rotating shaft is provided with a capsule queuing positioning column, the capsule queuing positioning column is provided with a plurality of capsule storage through holes which are distributed along the circumferential direction of the capsule queuing positioning column and axially extend and are used for queuing the capsule in a vertical mode, the circumferential surface of the capsule queuing positioning column is provided with a plurality of annular feed grooves which are distributed along the circumferential direction of the capsule queuing positioning column and axially extend, the projection of the capsule storage through holes along the vertical direction is completely positioned in the feed grooves, the support ring is connected with the frame and sleeved on the vertical rotating shaft and blocks the lower end of the capsule storage through holes which are aligned with the support ring, the support ring is provided with capsule blanking gaps, and the frame is also provided with a plurality of blades which are correspondingly penetrated in the feed, the shell-medicine separating sieve comprises a cylindrical shell, a connecting column is arranged at the lower end of the shell, the spherical surface of the connecting column is hinged to the rack, a sieve plate and a driving disk located above the sieve plate are arranged in the shell, the driving disk comprises an outer circular ring, an inner circular ring eccentrically arranged in the outer circular ring and a plurality of connecting ribs for connecting the inner circular ring and the outer circular ring together, the inner circular ring is coaxially connected with the vertical rotating shaft, the outer circular ring is arranged in the shell in a penetrating mode in a clearance fit mode, the connecting column and the vertical rotating shaft are eccentrically arranged, the shell is provided with a medicine particle outlet, a feeding groove is further arranged on the rack, the capsule storage through hole can rotate to be aligned with the lower end of the feeding groove, and a receiving hopper for collecting capsules from small-particle-size defective capsules and from the lower end of the lower chute is arranged at the upper. When the capsule feeding device is used, capsules enter through the high end of the upper chute, then scatter on the upper chute and fall into and scatter into the capsule transition space through the capsule scattering holes, the capsules with the diameter smaller than the requirement fall out through the defective capsule through holes when moving in the capsule transition space, the rest capsules roll out to the lower chute one by one through the capsule outflow port, the capsules with the diameter meeting the requirement in the process of moving on the lower chute fall out from the defective capsule through holes, and the capsules with the diameter exceeding the requirement roll out from the lower end of the lower chute. The capsules which pass through the inferior capsules with small grain diameters and fall from the lower end of the lower chute (namely the capsules with bad grain diameters) fall into the receiving hopper, the vertical rotating shaft is rotated to drive the capsule queuing positioning columns to rotate, the capsules fall into the capsule storage through holes when the capsule storage through holes rotate to be aligned with the lower end of the feeding chute, the capsules in the capsule storage through holes are cut off by the blades when the capsule storage through holes rotate to pass through the blades, then the capsule cut off loses the support of the supporting ring and falls onto the sieve plate when the capsule storage through hole is aligned with the blanking gap, the vertical rotating shaft synchronously drives the outer ring to eccentrically rotate by taking the vertical rotating shaft as the shaft while rotating, the eccentric rotation of the outer ring drives the shell to circumferentially shake by taking the connecting column as the pivot, thereby make the sieve rock, the shell medicine that the sieve rocked the result for will dropping on the sieve separates, and the medicine grain drops down and is discharged from the medicine grain export, and the capsule shell remains on the sieve. The lower chute shaking mechanism can be a vibrating motor

Preferably, the tablet outlet is arranged in the connecting column and axially penetrates through the connecting column along the connecting column. Compact structure, the medicine grain export is convenient when butt jointing with other parts.

Preferably, all the blades are positioned on the same vertical line, and the part of the supporting ring positioned between the blades and the blanking notch at most shields one capsule storage through hole. The capsule is discharged by reaching the blanking gap in time after being separated, and the turnover rate of the capsule storage through hole can be improved.

Preferably, the length of the blanking gap along the circumferential direction of the supporting ring is more than 3 times of the diameter of the capsule storage through hole. Can store the alignment time of through-hole and unloading breach through the capsule, improve the reliability during unloading.

Preferably, the capsule queuing positioning column is positioned in the shell, and the outer circular ring is positioned below the capsule queuing positioning column. The shell medicine separating sieve can prevent the medicine particles scattered in the process of separating the capsules from flying out of the shell medicine separating sieve, and meanwhile, the shell medicine separating sieve can swing more greatly under the condition that the volumes of the shells are equal.

Preferably, the lower extreme of feed chute is equipped with along the arc section that the reference column circumference of lining up of capsule extends, the arc section includes from the cylinder section and the conical surface section of upwards time in proper order down, the capsule stores the through-hole and can rotate with the cylinder section aligns. Can deliver the capsules into the capsule storage through holes reliably and at high speed so as to meet the requirement of improving the vertical rotating shaft.

Preferably, the inner side wall of the cylindrical section is provided with an arc-shaped avoiding through groove which extends along the circumferential direction of the capsule queuing positioning column and runs through the inner space of the cylindrical section, and the vertical rotating shaft is provided with a plurality of shifting levers which are distributed along the circumferential direction of the vertical rotating shaft and can extend into the cylindrical section through the arc-shaped avoiding through groove. Can prevent the capsule from toppling over and blocking the capsule from entering the capsule storage through hole, and improves the reliability in feeding.

Preferably, the frame is further provided with a blower for blowing air into the shell through the medicine particle outlet. When the capsule shell is driven, the blower is used for blowing and turning over the capsule shell so as to ensure that the medicine shell is separated more thoroughly.

Preferably, a bypass pipe is arranged on the side wall of the medicine particle outlet, and the bypass pipe is connected with an air outlet of the air blower through an air outlet pipe.

Preferably, the lower end of the shell is provided with a conical section, and the connecting column is arranged at the bottom of the conical section. Can effectively prevent the drug particles from being retained in the shell.

Preferably, the lower chute shaking mechanism comprises a first supporting leg and two eccentric wheels, the first supporting leg is supported at one end of the lower chute in the inclining direction, the two eccentric wheels are supported at the other end of the lower chute in the inclining direction and distributed along the width direction of the lower chute, the upper end of the first supporting leg is hinged with the spherical surface of the lower chute, the two eccentric wheels are connected with two ends of a rotating shaft, the rotating shaft is supported on a second supporting leg, a motor for driving the rotating shaft to rotate is arranged on the second supporting leg, an included angle formed between a plane determined by the central line of one eccentric wheel and the axis of the rotating shaft and a plane determined by the central line of the other eccentric wheel and the axis of the rotating shaft is A. A specific technical scheme of the lower chute shaking mechanism is provided. The front and back direction (the incline direction) and the swing of left and right sides are done to lower spout and last spout among this technical scheme to can make the capsule more reliable gliding in upper and lower spout.

Preferably, a =180 °. The shaking effect is good.

Preferably, a surface layer made of ferromagnets is arranged on the circumferential surface of the eccentric wheel, and a magnet which adsorbs the eccentric wheel to enable the lower chute to be abutted with the eccentric wheel is arranged on the lower chute. The reliability in shaking can be improved.

Preferably, the eccentric wheel is externally sleeved with an outer sleeve, and the outer sleeve is supported on the eccentric wheel through a ball.

The invention has the following advantages: the capsule with the diameter larger than or smaller than the requirement can be picked out, and then the capsule is cut into a plurality of sections to be separated into a medicine shell.

Drawings

Fig. 1 is a schematic diagram of a first embodiment of the invention.

Fig. 2 is an enlarged schematic view of the upper half of the first embodiment.

Fig. 3 is an enlarged view of the lower half of the first embodiment.

FIG. 4 is a schematic top view of the ring, feed chute and vertical pivot shaft.

Fig. 5 is a schematic top view of a shell and drug separating screen.

Fig. 6 is a schematic view of the lower chute and the lower chute shaking mechanism in the second embodiment, as viewed from left to right, in which the through holes for good-grain-size capsules and the through holes for small-grain-size defective capsules are not shown.

FIG. 7 is a schematic view of two eccentric wheels projecting along the axial direction of the rotating shaft

In the figure: the capsule processing device comprises a lower chute 1, a good-grain-size capsule through hole 11, a small-grain-size defective capsule through hole 12, an upper chute 2, a capsule scattering hole 21, a blocking plate 22, a lower chute shaking mechanism 3, a first supporting leg 31, an eccentric wheel 32, a surface layer 321, balls 322, a magnet 33, a rotating shaft 34, a second supporting leg 35, a capsule transition cavity 4, a capsule outflow port 41, a feed chute 5, a bottom wall 51 of the feed chute, a blocking plate 52, a feed hopper 53, a queuing port 54, a resistance-increasing layer 541, a hollowed-out section 55, a conveying belt 56, a surface 561 of the conveying belt supporting capsule, a capsule blanking notch 811, a shell-medicine separating sieve 82, a shell 821, a conical section 822, a connecting column 823, a spherical section 8231, a sieve plate 824, a driving disk 825, an outer circular ring 8251, a circular ring 8252, a connecting rib 8253, a medicine grain outlet 826, a bypass pipe 8261, a feed chute 83, an arc section 831, a cylindrical section 8311, a, The capsule queuing and positioning device comprises a first collecting hopper 8321, a second collecting hopper 8322, a discharging nozzle 8323, a vertical rotating shaft 84, a shifting lever 842, a capsule queuing and positioning column 85, a capsule storage through hole 851, an annular knife feeding groove 852, a blade 86, a blower 87, an air outlet pipe 871, a rotating shaft driving mechanism 88, a driven gear 881, a driving gear 882, a driving motor 883, a frame 10 and an avoiding channel 101.

Detailed Description

The invention is further described with reference to the following figures and examples.

First embodiment, referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, a shell-drug separation mechanism for selecting capsules with defective particle sizes comprises a frame 10, a lower chute 1, an upper chute 2, a lower chute shaking mechanism for driving the lower chute to shake, a supporting ring 81, a shell-drug separation sieve 82, a feed chute 83, a rotating shaft driving mechanism 88 and a vertical rotating shaft 84 rotatably connected to the frame.

The lower chute is a flat bottom chute. The lower chute inclines in a manner that the left end is higher than the right end. The low end of the lower chute is provided with a through hole 11 for a good grain diameter capsule. The diameter of the good product particle diameter capsule through hole 11 is equal to the upper limit value of the required capsule diameter range, namely, only the capsules with the diameter smaller than the upper limit value of the diameter of the capsules can pass through the good product particle diameter capsule through hole. The high end of the lower chute is provided with a small-particle-size defective capsule through hole 12. The diameter of the defective capsule through hole 12 with small grain diameter is smaller than the lower limit value of the required range of the capsule diameter, namely, only the capsule with the diameter smaller than the lower limit value of the capsule diameter can pass through the defective capsule through hole. The upper chute is connected to the lower chute. The part of the upper chute, which covers the upper part of the area of the lower chute provided with the small-particle-size defective capsule through holes, is provided with capsule scattering holes 21. The diameter of the capsule scattering hole is 2-2.5 times of the diameter of the capsule, so that two capsules can vertically pass through the capsule scattering hole at one time. The right end of the upper chute, i.e. the bottom end, is provided with a stop plate 22. A capsule transition cavity 4 is formed between the upper chute and the lower chute. The capsule transition chamber is provided with a capsule outflow opening 41. The height dimension of the capsule outlet along the vertical direction is 1.5-2 times of the diameter of the capsule.

The lower chute shaking mechanism is a vibrating motor. The lower chute and the upper chute vibrate under the action of the lower chute shaking mechanism.

The vertical rotating shaft is provided with a capsule queuing positioning column 85. The capsule queuing positioning column is provided with a plurality of capsule storage through holes 851. The capsule storage through holes are circumferentially distributed and axially extend along the capsule queuing positioning columns. The diameter of the capsule storage through hole is 1.1 to 1.2 times of the diameter of the capsule, so that the capsules can be stored in the capsule storage through hole in a single row in a vertical mode for queuing. The peripheral surface of the capsule queuing positioning column is provided with a plurality of annular tool feeding grooves 852. The annular knife inlet grooves 852 are axially distributed along the circumferential extension of the capsule queuing positioning columns. The projection of the capsule storage through hole along the up-down direction is completely positioned in the cutter inlet groove, and the capsule storage through hole is disconnected by the annular cutter inlet groove.

The ring 81 is connected to the frame. The supporting ring 81 is sleeved on the vertical rotating shaft and can not rotate along with the vertical rotating shaft. The ring 81 stops at the lower end of the capsule storage through hole aligned with the ring. The support ring is provided with a capsule blanking gap 811.

A plurality of blades 86 are also provided on the frame. The blades 86 are inserted into the blade feed slots in a one-to-one correspondence. All the blades are located on the same vertical line. The part of the supporting ring between the blade and the blanking gap at most shields one capsule storage through hole.

The shell-and-drug separating screen 82 includes a cylindrical outer housing 821. The lower end of the housing 821 is provided with a tapered section 822. The bottom of the conical section is provided with a connecting post 823. The attachment post 823 is provided with a spherical section 8231. The connecting column is hinged with the spherical surface of the frame through a spherical surface section. The connecting column is eccentrically arranged with the vertical rotating shaft. The lower end surface of the connecting column is provided with a through hole which extends along the axial direction of the connecting column and penetrates into the shell, and the through hole forms a medicine granule outlet 826. A bypass pipe 8261 is arranged on the side wall of the medicine particle outlet. The frame is also provided with a blower 87. The outlet of the blower is connected with a bypass pipe 8261 through an air outlet pipe 871 to blow air in the shell. The shell is sleeved outside the capsule queuing positioning column 85. The upper end of the housing is higher than the upper side of the uppermost blade. Within the housing is a screen panel 824 and a drive disk 825 located above the screen panel. The driving disc is positioned below the capsule queuing positioning column. The driving disk comprises an outer ring 8251, an inner ring 8252 eccentrically arranged in the outer ring and a plurality of connecting ribs 8253 for connecting the inner ring and the outer ring together. The inner ring is coaxially connected with the vertical rotating shaft. The excircle clearance fit wears to establish in the shell, once can contact the shell during the rotation.

The feeding groove is fixed with the frame. The upper end of the feed chute is provided with a receiving hopper 832. The hopper 832 includes a first collecting hopper 8321 that collects capsules dropped from defective small-sized capsules passing through holes, a second collecting hopper 8322 that collects capsules dropped from a lower end of the lower chute, and a discharging nozzle 8323. The lower end of the feed chute is provided with an arc-shaped section 831 extending along the circumferential direction of the capsule queuing positioning column. The arc-shaped section comprises a cylindrical section 8311 and a conical section 8312 which are arranged from bottom to top in sequence. The capsule storage through-hole can be rotated into alignment with the cylindrical section. An arc-shaped avoiding through groove 8313 which runs through the inner space of the cylindrical section and extends along the circumferential direction of the capsule queuing positioning column is formed in the inner side wall of the cylindrical section. The vertical rotating shaft is provided with a plurality of shifting rods 842 which are distributed along the circumferential direction of the vertical rotating shaft and can extend into the cylindrical section through the arc avoiding through groove. An avoiding channel 101 which is communicated with the blanking nozzle and the conical surface section is arranged on the frame.

The spindle drive mechanism 88 includes a driven gear 881, a drive gear 882, and a drive motor 883. The driven gear is fixed on the vertical rotating shaft. The driving gear and the driven gear are meshed together. The driving motor is used for driving the driven gear to rotate. The driving gear and the driven gear are both bevel gears.

When the capsule collecting device is used, capsules are poured into the upper sliding groove from the upper end of the upper sliding groove, the upper sliding groove and the lower sliding groove swing in the front-back and left-right directions under the action of the lower sliding groove shaking mechanism, the capsules at the upper end slide downwards in a matching manner with gravity, the capsules fall through the capsule scattering holes through the upper sliding groove and scatter into the capsule transition cavity 4 in a relatively dispersed manner, and the capsules with the diameter smaller than the requirement fall out of the small-particle-size defective capsule through holes 12 in the rightward movement process in the capsule transition cavity, enter the first collecting hopper 811 and then slide into the arc 831 through the discharging nozzle. The rest capsules enter the bottom end of the lower chute in a single-layer mode, the good capsules fall off when passing through the good particle size capsule through holes 11, and finally the capsules with the diameter larger than the requirement fall out of the lower end of the lower chute, fall off to the second collecting hopper 812 and then slide into the arc-shaped section 831 through the discharging nozzle. The vertical rotating shaft is driven by the rotating shaft driving mechanism 88 to rotate, the vertical rotating shaft drives the capsule queuing positioning column to rotate, when the capsule storage through hole rotates to be aligned with the cylindrical surface section, the capsule enters the capsule storage channel to be queued in a vertical mode, the blade cuts off the capsule when the capsule storage through hole storing the capsule rotates to pass through the blade, and when the capsule storage through hole further rotates to be aligned with the blanking notch, the cut-off capsule falls onto the sieve plate. The outer ring is driven to rotate eccentrically by taking the vertical rotating shaft as an axis synchronously while the vertical rotating shaft rotates, the eccentric rotation of the outer ring drives the shell to shake in the circumferential direction by taking the connecting column as a fulcrum, so that the sieve plate shakes, the sieve plate shakes to separate a medicine shell falling onto the sieve plate, the medicine particles fall down and are discharged from a medicine particle outlet, a capsule shell is remained on the sieve plate, and the capsule shell is taken out when the medicine shell accumulates medicine particles under an interference sieve. The medicine grain outlet is closed and the blower is started before the capsule shell is taken out, the part generated by the blower blows upwards through the sieve plate to blow the medicine shell to roll, so that the medicine grains clamped in the capsule shell without being sieved are further shaken out and are transferred to the position below the sieve plate, and the medicine shell is separated more thoroughly.

The second embodiment is different from the first embodiment in that:

referring to fig. 6 and 7, the lower chute shaking mechanism 3 includes a first supporting leg 31 supported at one end, i.e., the right end, in the tilting direction of the lower chute and two eccentric wheels 32 supported at the other end, i.e., the left end, in the tilting direction of the lower chute and distributed in the width direction, i.e., the front-rear direction, of the lower chute. The upper end of the first supporting leg is hinged with the spherical surface of the lower chute. The surface layer 321 made of ferromagnetic material is provided on the circumferential surface of the eccentric wheel. And a magnet 33 which adsorbs the eccentric wheel to ensure that the lower chute and the eccentric wheel are abutted together is arranged on the lower chute. Two eccentric wheels are connected to both ends of the rotating shaft 34. The rotation shaft extends in the front-rear direction of fig. 1, i.e., the width direction of the upper chute. The rotating shaft is rotatably supported on two second supporting feet 35. The second supporting leg is provided with a motor for driving the rotating shaft to rotate.

The eccentric 32 is externally sheathed to form a surface layer 321. The outer sleeve is supported on the eccentric 32 by balls 322. The included angle formed between the plane defined by the central line of one eccentric wheel and the axis of the rotating shaft and the plane defined by the central line of the other eccentric wheel and the axis of the rotating shaft is A, A =70 deg. A is not less than 30 degrees and not more than 180 degrees. A =180 ° gives the best forward and backward swing (i.e., the swing in the left-right direction of fig. 2).

Claims

1. The shell and medicine separating mechanism for selecting capsules with particle size defects is characterized by comprising a rack, a lower chute, an upper chute, a lower chute shaking mechanism for driving the lower chute to shake, a supporting ring, a shell and medicine separating screen and a vertical rotating shaft which is rotatably connected to the rack, wherein the lower chute and the upper chute are flat bottom grooves and are obliquely arranged in the same direction, the lower end of the lower chute is provided with defective particle size capsule through holes only allowing capsules with diameters smaller than the upper limit value of the diameter of the capsules to pass through, the high end of the lower chute is provided with small-particle size defective capsule through holes only allowing capsules with diameters smaller than the lower limit value of the diameter of the capsules to pass through, the upper chute is connected to the lower chute and only shields the upper part of an area where the lower chute is provided with small-particle size defective capsule through holes, a capsule transition cavity is formed between the upper chute and the lower chute, and the capsule transition cavity is provided with a capsule outflow, the height dimension of the capsule outflow port along the vertical direction is 1.5-2 times of the diameter of the capsule, the upper sliding chute is provided with a capsule scattering hole, the diameter of the capsule scattering hole is 2-2.5 times of the diameter of the capsule, the vertical rotating shaft is provided with a capsule queuing positioning column, the capsule queuing positioning column is provided with a plurality of capsule storage through holes which are distributed along the circumferential direction of the capsule queuing positioning column in the axial direction and used for queuing the capsule in the vertical mode, the circumferential surface of the capsule queuing positioning column is provided with a plurality of annular feed grooves which are distributed along the circumferential direction of the capsule queuing positioning column in the axial direction, the projection of the capsule storage through holes along the vertical direction is completely positioned in the feed grooves, the support ring is connected with the rack together and sleeved on the vertical rotating shaft and blocked at the lower end of the capsule storage through holes aligned with the support ring, the support ring is provided with capsule blanking gaps, and the rack is also provided with a plurality of blades which are arranged in the The shell-drug separation sieve comprises a cylindrical shell, a connecting column is arranged at the lower end of the shell, the spherical surface of the connecting column is hinged to the rack, a sieve plate and a driving disk located above the sieve plate are arranged in the shell, the driving disk comprises an outer circular ring, an inner circular ring eccentrically arranged in the outer circular ring and a plurality of connecting ribs for connecting the inner circular ring and the outer circular ring together, the inner circular ring is coaxially connected with the vertical rotating shaft, the outer circular ring is arranged in the shell in a penetrating mode in a clearance fit mode, the connecting column and the vertical rotating shaft are eccentrically arranged, the shell is provided with a drug particle outlet, a feed chute is further arranged on the rack, the capsule storage through hole can rotate to be aligned with the lower end of the feed chute, and a receiving hopper for collecting capsules falling from the lower end of a small-particle-size defective capsule through hole and the lower end of the lower.

2. The mechanism of claim 1, wherein the pellet outlet is disposed in the connecting column and axially extends through the connecting column.

3. The mechanism as claimed in claim 1, wherein all the blades are located on the same vertical line, and the part of the ring between the blades and the blanking gap covers at most one of the capsule storage through holes.

4. The mechanism as claimed in claim 1, wherein the length of the blanking gap along the circumferential direction of the support ring is more than 3 times the diameter of the capsule storage through hole.

5. The mechanism as claimed in claim 1, wherein the capsule alignment locating posts are located in the housing, and the driving disk is located below the capsule alignment locating posts.

6. The mechanism as claimed in claim 1, wherein the lower end of the feeding chute is provided with an arc section extending along the circumferential direction of the capsule queue positioning column, the arc section comprises a cylindrical section and a conical section sequentially arranged from bottom to top, and the capsule storage through hole can be rotated to be aligned with the cylindrical section.

7. The mechanism for separating shells and drugs from capsules with particle size defects according to claim 1, wherein the lower chute shaking mechanism comprises a first supporting leg supported at one end of the lower chute in the tilting direction and two eccentric wheels supported at the other end of the lower chute in the tilting direction and distributed along the width direction of the lower chute, the upper end of the first supporting leg is hinged with the spherical surface of the lower chute, the two eccentric wheels are connected with two ends of a rotating shaft, the rotating shaft is supported on a second supporting leg, a motor for driving the rotating shaft to rotate is arranged on the second supporting leg, and an included angle formed between a plane defined by the central line of one eccentric wheel and the axis of the rotating shaft and a plane defined by the central line of the other eccentric wheel and the axis of the rotating shaft is A, and A is more than or equal to 30 degrees.

8. The mechanism as claimed in claim 7, wherein the eccentric wheel has a surface layer made of ferromagnetic material on its periphery, and the lower chute has a magnet for attracting the eccentric wheel to make the lower chute abut against the eccentric wheel.