CN114393621B

CN114393621B - Blank system is used in hollow capsule production

Info

Publication number: CN114393621B
Application number: CN202210046442.4A
Authority: CN
Inventors: 俞斌锋
Original assignee: Zhejiang Lujian Capsule Co ltd
Current assignee: Zhejiang Lujian Capsule Co ltd
Priority date: 2022-01-13
Filing date: 2022-01-13
Publication date: 2022-12-09
Anticipated expiration: 2042-01-13
Also published as: CN114393621A

Abstract

The invention discloses a blanking system for hollow capsule production, which comprises a rack, a sorting device and a cutting device, wherein the sorting device comprises an index plate, a material turning mechanism and a material ejecting mechanism which can rotate circumferentially step by step, a plurality of groups of material placing holes for placing capsule shells are circumferentially distributed on the index plate, the material ejecting mechanism comprises a first thimble group and a second thimble group which can synchronously rotate horizontally by 180 degrees, the cutting device comprises a transfer plate which can rotate 180 degrees and a cutting knife which can rotate circumferentially, the first thimble group is used for ejecting the inverted capsule shells in the material placing holes to fall to the material turning mechanism, the material turning mechanism is used for turning the inverted capsule shells to be upright, the second thimble group is used for ejecting the capsule shells which are upright in the material placing holes and the capsule shells which are already upright in the material turning mechanism to fall to the transfer plate, and the transfer plate is used for conveying the capsule shells to a cutting position to be cut by the cutting knife. The invention is beneficial to improving the cutting yield, simplifying the material cutting process and greatly improving the capsule production efficiency.

Description

Blank system is used in hollow capsule production

Technical Field

The invention relates to the technical field of hollow capsule production equipment, in particular to a blanking system for hollow capsule production.

Background

The capsule shell produced by the capsule production line is cut and sleeved by related equipment to form a hollow capsule, and then the hollow capsule is supplied to a pharmaceutical factory for use. In the production process of the capsule shell, due to the limitation of mold production, the opening edge of the blank capsule shell is rough and needs to be sorted and cut. However, when the existing equipment is used for sorting, the situation that the capsule shells are partially inverted exists, the inverted capsule shells need to be ejected out of the material placing disc and then placed in the material placing disc again after being recovered, namely, the inverted capsule shells need to be repeatedly recovered in the capsule shell forming, sorting and cutting processes, the situation can not be effectively solved all the time, and the capsule shell cutting yield is influenced. In addition, after the hollow capsules are cut, hollow capsule blanks and waste materials generated by cutting are collected together, so that a large amount of waste materials are contained in the hollow capsule semi-finished products, and the hollow capsules are required to be subsequently further removed and screened, so that the production period of the hollow capsules is prolonged, and the production efficiency of the hollow capsules is reduced.

Disclosure of Invention

The invention aims to overcome the defects of the prior art, provides a blanking system for producing hollow capsules, and is beneficial to improving the cutting yield, simplifying the blanking process and greatly improving the capsule production efficiency.

In order to achieve the purpose, the invention adopts the following technical scheme:

the sorting device comprises an index plate capable of rotating circumferentially gradually, a material turning mechanism arranged below one side of the index plate, and a material ejecting mechanism arranged above one side of the index plate, wherein a plurality of groups of material placing holes used for placing capsule shells are circumferentially distributed on the index plate, the material ejecting mechanism comprises a first thimble group and a second thimble group which can rotate synchronously at 180 degrees and horizontally, the cutting device comprises a rotary conveying plate capable of rotating 180 degrees and cutting knives capable of rotating circumferentially, the first thimble group and the second thimble group are arranged in a lifting mode, the first thimble group is used for ejecting the inverted capsule shells in the material placing holes to fall to the material turning mechanism, the material turning mechanism is used for turning the inverted capsule shells right, the second thimble group is used for ejecting the capsule shells right in the material placing holes and the capsule shells right in the material turning mechanism to fall to the material conveying plate, and the rotary conveying plate is used for conveying the capsule shells to a cutting position to cut the capsule shells through the cutting knives.

Each group of material placing holes comprises a plurality of circles of material placing holes distributed circumferentially, and the lower opening of each material placing hole is sealed by an openable elastic sheet.

The material overturning mechanism comprises an overturning plate capable of overturning by 180 degrees, the overturning plate comprises a placing plate with material overturning holes distributed circumferentially and cover plates which are arranged above and below the placing plate and can horizontally deflect, and the two cover plates are used for covering openings at two ends of all the material overturning holes.

The height of the material turning hole is larger than that of the capsule shell.

The lifting stroke of the first thimble group is smaller than that of the second thimble group, the first thimble group and the second thimble group respectively comprise a plurality of thimbles distributed circumferentially, the first thimble group descends until part of the thimbles abut against the head of the inverted capsule shell and push the capsule shell to fall, part of the thimbles descend until the thimbles extend into the inner cavity of the inverted capsule shell and are spaced from the head of the capsule shell by a certain distance, and the second thimble group falls until the second thimble group passes through the material placing hole and the material overturning hole.

The top of the frame is fixedly provided with an annular mounting cylinder, the ejection mechanism further comprises a rotary table which is connected with the mounting cylinder in a circumferential rotating manner, a pair of needle discs which can rotate along with the rotary table and can respectively lift are embedded in the rotary table, and the first ejector pin group and the second ejector pin group are respectively fixed on the needle discs.

Two groups of cutting holes are symmetrically distributed on the transfer disc, each group of cutting holes comprises a plurality of circumferentially distributed cutting holes, the height of each cutting hole is smaller than that of the capsule shell, and the material turning holes and the cutting holes which are rotated to the material turning holes are arranged in a one-to-one correspondence mode.

The cutting device also comprises a pair of baffles which can synchronously rotate along with the transfer disc, each baffle is horizontally deflectable, and the pair of baffles are used for correspondingly covering the lower openings of the group of cutting holes.

The cutting device also comprises a material receiving groove and a waste material cylinder which are arranged on the outer side of the transfer disc, and when one group of cutting holes rotate to a cutting position, the group of cutting holes are positioned right above the material receiving groove; the cutting knife is driven to rotate by a cutting motor arranged in the waste material cylinder, and a sweeping brush used for pushing the cut waste materials into the waste material cylinder is fixedly arranged at the shaft end of the cutting motor.

The waste material barrel comprises a barrel body part with a crescent-shaped cross section, the barrel body part comprises an arc-shaped first side wall part positioned on the outer side and an arc-shaped second side wall part positioned on the inner side, the height of the first side wall part is larger than that of the second side wall part, the upper end of the second side wall part horizontally extends towards the direction close to the first side wall part to form a transverse partition plate, the annular side wall of the transfer disc is in sliding fit with the second side wall part, the transfer disc is flush with the upper surface of the transverse partition plate, a pair of arc-shaped blocking edges which are oppositely arranged are formed on the upper surface of the transfer disc in a protruding mode, and the pair of blocking edges are respectively positioned on the outer rings of a group of cutting holes; when a group of cutting holes rotate to the cutting position, the blocking edges corresponding to the group of cutting holes are spliced with the first side wall part to form a circle.

The invention has the beneficial effects that: the overturning mechanism capable of overturning by 180 degrees overturns the inverted capsule shell to be upright, so that the recovery process of the inverted capsule shell is omitted, the full hole rate of blanking of the capsule shell falling into the cutting hole is ensured, the cutting yield is improved, meanwhile, the capsule shell is cut and waste collection is carried out at the same time through the cutting device, and therefore the semi-finished cut capsule is separated from cutting waste, the subsequent screening workload is reduced, screening can be omitted even, the production cycle is shortened, and the capsule production efficiency is further improved.

Drawings

FIG. 1 is a block diagram of the present invention;

FIG. 2 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is an enlarged view at B of FIG. 1;

FIG. 4 is an enlarged view taken at D in FIG. 3;

FIG. 5 is an enlarged view at C of FIG. 1;

FIG. 6 is an enlarged view at E in FIG. 1;

FIG. 7 is a top view of an elastic panel of the present invention;

FIG. 8 is a schematic diagram showing the arrangement of the upper and lower cover plates when the inverted capsule shell falls to the turnover plate according to the present invention;

FIG. 9 is a top view of a cutting device embodying the present invention;

figure 10 is a perspective view of a waste cartridge of the present invention.

In the figure: the capsule shell comprises a machine frame 1, an installation cylinder 11, a sliding groove 111, an index plate 2, a material placing hole 21, an elastic sheet 22, a first motor 23, a material turning mechanism 3, a turning plate 31, a placing plate 32, a sealing cover plate 33, a material turning hole 34, a connecting shaft 35, a deflection motor 36, a turning motor 37, a fixing component 38, a material ejecting mechanism 4, a first thimble group 41, a second thimble group 42, a rotating plate 43, a sliding rail 431, a needle plate 44, a thimble motor 45, a first air cylinder 46, a second air cylinder 47, a transferring plate 5, a cutting hole 51, a baffle plate 52, a blocking edge 53, a transferring motor 54, a rotating shaft 55, a fixing plate 56, a baffle plate motor 57, an A sliding groove 58, a cutting motor 6, a cutting knife 61, a material sweeping brush 62, a driving shaft 63, a waste material cylinder 7, a cylinder body 71, a first side wall part 711, a second side wall part 712, a transverse partition plate 72, a B sliding groove 73, a connecting plate 74, a material receiving groove 8, a filter screen 81 and a capsule shell 9.

Detailed Description

The invention is further described with reference to the accompanying drawings and the detailed description below:

as shown in fig. 1 to 10, a blanking system for producing hollow capsules comprises a frame 1, a sorting device and a cutting device, wherein the sorting device and the cutting device are respectively installed on the frame 1, the sorting device comprises an index plate 2 capable of rotating circumferentially gradually, a material turning mechanism 3 arranged below one side of the index plate 2, and a material ejecting mechanism 4 arranged above one side of the index plate 2, a plurality of groups of material placing holes 21 for placing in capsule shells 9 are circumferentially distributed on the index plate 2, the material ejecting mechanism 4 comprises a first thimble group 41 and a second thimble group 42 capable of rotating horizontally by 180 degrees synchronously, the cutting device comprises a transfer plate 5 capable of rotating by 180 degrees and a cutting knife 61 capable of rotating circumferentially, the first thimble group 41 and the second thimble group 42 are both arranged in a lifting manner, the first thimble group 41 is used for ejecting the capsule shells 9 placed in the material placing holes 21 and falling to the material turning mechanism 3, the material turning mechanism 3 is used for turning over the inverted capsule shells 9, the second thimble group 42 is used for ejecting the capsule shells 21 placed in the capsule shells and the capsule shells 9 and the turning mechanism 5 falls to the cutting knife 61 for cutting the capsule shells.

Each group of the material placing holes 21 comprises a plurality of circles of material placing holes 21 distributed circumferentially, and the lower opening of each material placing hole 21 is covered by an openable elastic sheet 22. The material placing hole 21 is a through hole, the elastic sheet 22 can be a circular sheet with the diameter larger than that of the material placing hole 21, the edge of the elastic sheet 22 is fixedly adhered to the index plate 2, a rice-shaped opening is formed in the center of the elastic sheet 22, and the elastic sheet 22 can also be two semicircular sheets which are symmetrically arranged and are hinged with the index plate 2 through a pin shaft and an elastic piece with an automatic contraction function, such as a torsion spring.

The material turning mechanism 3 comprises a turning disc 31 capable of turning 180 degrees, the turning disc 31 comprises a placing disc 32 with material turning holes 34 distributed circumferentially, and cover plates 33 which are arranged above and below the placing disc 32 and can deflect horizontally, and the two cover plates 33 are correspondingly used for covering openings at two ends of all the material turning holes 34.

The height of the material overturning holes 34 is larger than that of the capsule shells 9, so that the capsule shells 9 can completely enter the material overturning holes 34, and then all the material overturning holes 34 can be covered by the upper cover plate 33.

The placing disc 32 is rotatably connected with two sides of the rack 1 through a pair of connecting shafts 35, wherein two deflection motors 36 are fixedly mounted on one connecting shaft 35, and the two deflection motors 36 are correspondingly used for driving the sealing cover plate 33 to deflect one by one. With reference to fig. 1, a pair of connecting shafts 35 are arranged in the front-back direction, a turning motor 37 is arranged on one side of the rack 1, the turning motor 37 is connected with one of the connecting shafts 35, and the placing disc 32 is driven to rotate by the turning motor 37. A fixing piece 38 is fixedly arranged on one of the connecting shafts 35, the deflection motor 36 is fixed on the fixing piece 38, and the shaft end of the deflection motor 36 is connected with one side of the cover plate 33. The cover plate 33 includes a disk-shaped cover portion and a connecting portion formed by extending one side of the cover portion outward, and the connecting portion is connected to the shaft end of the deflection motor 36.

The top of the frame 1 is fixedly provided with an annular mounting cylinder 11, the liftout mechanism 4 further comprises a rotary table 43 which is connected with the mounting cylinder 11 in a circumferential rotating manner, a pair of needle disks 44 which can rotate along with the rotary table 43 and can respectively lift are embedded in the rotary table 43, and the first thimble group 41 and the second thimble group 42 are respectively fixed on the needle disks 44. The top of the rack 1 is provided with a thimble motor 45, the shaft part of the thimble motor 45 rotates to penetrate through the top of the rack 1, extend into the mounting cylinder 11 and be fixedly connected with the turntable 43, and the turntable 43 is driven to rotate by the thimble motor 45. The annular side wall of the rotating disc 43 protrudes to form a sliding rail 431, and the annular inner wall of the installation barrel 11 is recessed to form a sliding groove 111 which is matched and slidably connected with the sliding rail 431. A first air cylinder 46 for driving the first thimble group 41 to ascend and descend and a second air cylinder 47 for driving the second thimble group 42 to ascend and descend are fixed on the turntable 43, the shafts of the first air cylinder 46 and the second air cylinder 47 respectively penetrate through the turntable 43 to be fixedly connected with the corresponding needle dial 44, and the first air cylinder 46 is used for driving the first thimble group 41 to ascend and descend.

The lifting stroke of the first thimble group 41 is smaller than that of the second thimble group 42, the first thimble group 41 and the second thimble group 42 both comprise a plurality of thimbles distributed circumferentially, part of the thimbles of the first thimble group 41 descend to abut against the head of the inverted capsule shell 9 and push the capsule shell 9 to fall, and part of the thimbles descend to extend into the inner cavity of the upright capsule shell 9 and have a distance with the head of the capsule shell 9; the second thimble group 42 falls to pass through the material placing hole 21 and the material turning hole 34.

The index plate 2 is driven to rotate by the first motor 23, the sorting device is provided with a feeding area and a discharging area along the rotation direction of the index plate 2, the feeding area is arranged on the left side of the index plate 2, the discharging area is arranged on the right side of the index plate 2, at least two groups of material placing holes 21 are arranged, the material turning mechanism 3 and the material ejecting mechanism 4 are located on the region of the discharging area, the material ejecting mechanism 4 and the material turning mechanism 3 are arranged up and down, the rotating disc 43 is located below the index plate 2, and when the material placing holes 21 rotate to the discharging area, the first thimble group 41, the material placing holes 21 and the material turning holes 34 are in one-to-one correspondence up.

Two groups of cutting holes 51 are symmetrically distributed on the transfer disc 5, each group of cutting holes 51 comprises a plurality of cutting holes 51 distributed circumferentially, the height of each cutting hole 51 is smaller than that of the capsule shell 9, and the material turning holes 34 and the cutting holes 51 which are rotated to the upper side and the lower side are arranged in a one-to-one correspondence mode.

The cutting device further comprises a pair of baffles 52 which can synchronously rotate along with the transfer disc 5, each baffle 52 can be horizontally deflected, and the pair of baffles 52 are used for correspondingly covering the lower openings of the group of cutting holes 51. A transfer motor 54 for driving the transfer disc 5 to rotate is arranged in the rack 1, the transfer motor 54 is connected with the transfer disc 5 through a rotating shaft 55, a fixing plate 56 is fixed on the rotating shaft 55, a pair of baffle motors 57 is fixed on the fixing plate 56, and the baffle motors 57 drive the baffles 52 to deflect in a one-to-one correspondence manner.

The cutting device also comprises a material receiving groove 8 and a waste material cylinder 7 which are arranged on the outer side of the transfer disc 5, and when one group of cutting holes 51 rotate to a cutting position, the group of cutting holes 51 are positioned right above the material receiving groove 8; the cutting knife 61 is driven to rotate by a cutting motor 6 arranged in the waste material barrel 7, and a sweeping brush 62 used for pushing the cut waste materials into the waste material barrel 7 is fixedly arranged at the shaft end of the cutting motor 6. The sweeper brush 62 may be arranged in at least one circumferential distribution. A dust filter screen 81 is arranged in the material receiving groove 8 and used for screening dust attached to the falling capsule shell 9.

The waste material barrel 7 comprises a barrel body 71 with a crescent-shaped cross section, the barrel body 71 comprises an arc-shaped first side wall part 711 positioned on the outer side and an arc-shaped second side wall part 712 positioned on the inner side, the height of the first side wall part 711 is larger than that of the second side wall part 712, the upper end of the second side wall part 712 horizontally extends towards the direction close to the first side wall part 711 to form a transverse partition plate 72, the annular side wall of the transfer disc 5 is in sliding fit with the second side wall part 712, the transfer disc 5 is flush with the upper surface of the transverse partition plate 72, a pair of arc-shaped retaining edges 53 which are oppositely arranged are formed on the upper surface of the transfer disc 5 in a protruding mode, and the pair of retaining edges 53 are respectively positioned on the outer rings of the group of cutting holes 51; when a group of cutting holes 51 is rotated to a cutting position, the blocking edge 53 corresponding to the group of cutting holes 51 is spliced with the first side wall part 711 to form a circle. The second side wall portion 712 is disposed concentrically with the transfer tray 5. The arc-shaped inner wall of the first side wall 711 is sunken to form a B sliding groove 73, the arc-shaped inner wall of the retaining edge 53 is sunken to form an A sliding groove 58, and when one group of cutting holes 51 rotate to a cutting position, the B sliding groove 73 and the A sliding groove 58 are combined to form a complete annular sliding groove. The center of the top of the waste material barrel 7 is provided with a connecting plate 74, the cutting motor 6 is connected with a driving shaft 63, the driving shaft 63 is rotatably connected with the connecting plate 74, one end of the cutting knife 61 is fixed to the driving shaft 63, and the other end of the cutting knife 61 is in sliding connection with the annular sliding chute. One end of the sweeping brush 62 is fixed to the driving shaft 63, and the other end of the sweeping brush 62 is connected with the annular sliding chute in a sliding mode.

The working process of the device for sorting and cutting the capsule shell 9 comprises the following steps:

1. sorting of capsule shells 9. The capsule shell 9 is conveyed to the material placing hole 21 at the feeding area and falls down, the capsule shell 9 rotates 180 degrees along with the dividing disc 2 to the material placing area, the cover plate 33 positioned above is opened and the cover plate 33 positioned below is sealed, the first air cylinder 46 drives the first thimble group 41 to move downwards to drop the capsule shell 9 inverted in the material placing hole 21 (namely, the thimble moves downwards to contact the top of the inverted material placing hole 21, and then the capsule shell 9 is pushed to fall down to the placing disc 32 through the elastic sheet 22); then the cover plate 33 positioned above deflects to cover the openings at the upper ends of all the material turning holes 34, the turning motor 37 drives the turning disc 31 to turn 180 degrees, and then the cover plate 33 positioned above is opened, so that the turning and righting of the inverted capsule shell 9 are completed, and meanwhile, the first air cylinder 46 drives the first thimble group 41 to move upwards to the initial position; then the thimble motor 45 drives the turntable 43 to rotate 180 degrees so that the second thimble group 42 is positioned right above the turnover table 31, the second cylinder 47 drives the second thimble group 42 to move downwards, the second thimble group 42 pushes the capsule shell 9 positioned in the material placing hole 21 to pass through the elastic sheet 22 and then fall to the material turnover hole 34 (when the second thimble group 42 enters the material turnover hole 34, the sealing cover plate 33 positioned below is timely opened, the opening of the sealing cover plate 33 at the moment can be calculated and controlled by a program, or an inductor can be used for sensing whether the second thimble group 42 enters the material turnover hole 34 or not and then controlling the sealing cover plate 33 to be opened), along with the continuous downward movement of the second thimble group 42, the second thimble group 42 simultaneously pushes the capsule shell 9 which is originally positioned in the material turnover hole 34 and the capsule shell 9 which is already turned and positioned in the material turnover hole 34 to pass through the material placing table 32, and then fall to the cutting device under the action of self gravity to be cut; after the blanking is finished, the second thimble group 42 moves up to return to the original position, the first thimble group 41 and the second thimble group 42 rotate horizontally 180 again to return to the original position, and the two cover plates 33 return to the state of opening the upper part and sealing the lower part for the subsequent turning and blanking. The second thimble group 42 may also fall to pass through the material placing hole 21 and then extend into the material turning hole 34, that is, the second thimble group 42 pushes the capsule shell 5 positioned in the material placing hole 21 to pass through the elastic sheet 22 and then fall to the material turning hole 34, and when the lower cover plate 33 is opened, the capsule shell 5 positioned in the material turning hole 34 and the capsule shell 5 positioned in the material turning hole 34 after being turned over fall together under the action of gravity.

2. Cutting the capsule shell 9. Initially, the two baffles 52 correspondingly seal the lower openings of the cutting holes 51, after the capsule shells 9 fall to the cutting holes 51 of the transfer disc 5, the transfer motor 54 drives the transfer disc 5 to rotate 180 degrees to the cutting position (the upper end parts of the capsule shells 9 are exposed out of the cutting holes 51), the cutting motor 6 drives the cutting knife 61 and the sweeping brush 62 to rotate, the cutting knife 61 cuts off the capsule shells 9 exposed out of the cutting holes 51, meanwhile, as the transfer disc 5 is flush with the transverse partition plate 72, the cut waste materials are swept into the barrel body 71 by the sweeping brush 62, after cutting, the baffle motor 57 close to the waste material barrel 7 drives the baffles 52 to deflect, so that the cutting holes 51 are not sealed, and the cut capsule shells 9 fall to the receiving groove 8 below. In addition, an ejector mechanism may also be provided to push the cut capsule shells 9 out of the cutting hole 51.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a blank system is used in hollow capsule production, includes frame (1), installs sorting device and cutting device in frame (1) respectively, its characterized in that: the sorting device comprises an index plate (2) capable of rotating circumferentially step by step, a material turning mechanism (3) arranged below one side of the index plate (2), and a material ejecting mechanism (4) arranged above one side of the index plate (2), wherein a plurality of groups of material placing holes (21) used for placing capsule shells (9) are circumferentially distributed on the index plate (2), the material ejecting mechanism (4) comprises a first thimble group (41) and a second thimble group (42) capable of rotating 180 degrees horizontally synchronously, the first thimble group (41) and the second thimble group (42) both comprise a plurality of thimbles distributed circumferentially, the cutting device comprises a rotating plate (5) capable of rotating 180 degrees and a cutting knife (61) capable of rotating circumferentially, the first thimble group (41) and the second thimble group (42) are both arranged in a lifting way, the lifting way of the first thimble group (41) is smaller than that of the second thimble group (42), the first thimble group (41) is used for lifting the thimble group (21) to lift the thimble shells (9) and push the inverted thimble shells (9) to fall down to the inner cavity of the first thimble group (9), and the thimble groups (41) fall down to the inner cavity of the first thimble shell (9) and push the thimble shell (9) and the thimble shell (9) to fall down at intervals; the overturning mechanism (3) is used for overturning and rightly placing the inverted capsule shell (9), the second thimble group (42) is used for jacking the rightly placed capsule shell (9) in the material placing hole (21) and the rightly placed capsule shell (9) in the overturning mechanism (3) to fall to the transferring disc (5), the second thimble group (42) falls to penetrate through the material placing hole (21) and the material overturning hole (34), and the transferring disc (5) is used for conveying the capsule shell (9) to a cutting position to be cut through the cutting knife (61).

2. The blanking system for empty capsule production as claimed in claim 1, wherein: each group of material placing holes (21) comprises a plurality of circles of material placing holes (21) which are distributed circumferentially, and the lower opening of each material placing hole (21) is covered by an openable elastic sheet (22).

3. The blanking system for empty capsule production as claimed in claim 1, wherein: the material overturning mechanism (3) comprises an overturning disc (31) capable of overturning by 180 degrees, the overturning disc (31) comprises a placing disc (32) with material overturning holes (34) distributed circumferentially and a cover plate (33) which is arranged above and below the placing disc (32) and can deflect horizontally, and the two cover plates (33) are correspondingly used for covering openings at two ends of all the material overturning holes (34).

4. The blanking system for empty capsule production as claimed in claim 3, wherein: the height of the material turning hole (34) is larger than that of the capsule shell (9).

5. The blanking system for empty capsule production as claimed in claim 1, wherein: the lifting stroke of the first thimble group (41) is smaller than that of the second thimble group (42), the first thimble group (41) and the second thimble group (42) respectively comprise a plurality of thimbles distributed circumferentially, part of the thimbles of the first thimble group (41) are descended to abut against the head of the inverted capsule shell (9) and push the capsule shell (9) to fall, part of the thimbles are descended to extend into the inner cavity of the inverted capsule shell (9) and are spaced from the head of the capsule shell (9) for a certain distance, and the second thimble group (42) falls to penetrate through the material placing hole (21) and the material turning hole (34).

6. The blanking system for empty capsule production as claimed in claim 1, wherein: the top of the rack (1) is fixedly provided with an annular mounting cylinder (11), the material ejecting mechanism (4) further comprises a rotary table (43) which is connected with the mounting cylinder (11) in a circumferential rotating mode, a pair of needle discs (44) which can rotate along with the rotary table (43) and can lift respectively are embedded in the rotary table (43), and the first thimble group (41) and the second thimble group (42) are fixed on the needle discs (44) respectively.

7. The blanking system for empty capsule production as claimed in claim 3, wherein: two groups of cutting holes (51) are symmetrically distributed on the transfer disc (5), each group of cutting holes (51) comprises a plurality of cutting holes (51) distributed circumferentially, the height of each cutting hole (51) is smaller than that of the capsule shell (9), and the material turning holes (34) and the cutting holes (51) which are rotated to the material turning holes are arranged in a one-to-one correspondence manner from top to bottom.

8. The blanking system for empty capsule production as claimed in claim 7, wherein: the cutting device further comprises a pair of baffles (52) capable of synchronously rotating along with the transfer disc (5), each baffle (52) can be horizontally deflected, and the pair of baffles (52) are used for correspondingly covering the lower openings of the group of cutting holes (51).

9. The blanking system for empty capsule production as claimed in claim 7, wherein: the cutting device also comprises a material receiving groove (8) and a waste material cylinder (7) which are arranged on the outer side of the transfer disc (5), and when one group of cutting holes (51) rotate to a cutting position, the group of cutting holes (51) are positioned right above the material receiving groove (8); the cutting knife (61) is driven to rotate by a cutting motor (6) arranged in the waste material cylinder (7), and a sweeping brush (62) used for pushing the cut waste materials into the waste material cylinder (7) is fixedly arranged at the shaft end of the cutting motor (6).

10. The blanking system for empty capsule production as claimed in claim 9, wherein: the waste material barrel (7) comprises a barrel body part (71) with a crescent-shaped cross section, the barrel body part (71) comprises an arc-shaped first side wall part (711) positioned on the outer side and an arc-shaped second side wall part (712) positioned on the inner side, the height of the first side wall part (711) is larger than that of the second side wall part (712), the upper end of the second side wall part (712) horizontally extends to the direction close to the first side wall part (711) to form a transverse partition plate (72), the annular side wall of the transferring disc (5) is in sliding fit with the second side wall part (712), the transferring disc (5) is flush with the upper surface of the transverse partition plate (72), a pair of arc-shaped blocking edges (53) which are oppositely arranged are formed on the upper surface of the transferring disc (5) in a protruding mode, and the pair of blocking edges (53) are respectively positioned on the outer rings of a group of cutting holes (51); when a group of cutting holes (51) rotate to a cutting position, the blocking edge (53) corresponding to the group of cutting holes (51) is spliced with the first side wall part (711) to form a circle.