阅读说明：本技术 一种西药片剂生产用压片装置 (Tablet pressing device for production of western medicine tablets ) 是由 陈泰 吕慧敏 于 2021-07-02 设计创作，主要内容包括：本发明公开了一种西药片剂生产用压片装置,包括机架,所述机架上固定连接有工作台,所述工作台上固定连接有中间模板；所述中间模板的外侧设有落料斜面,所述机架上固定连接有导料块,所述导料块中开设有两端贯通导料块的落料空腔,所述落料空腔中设有一层透气的网格布,所述网格布与落料空腔上侧之间形成导料通道,所述导料块上开设有与落料空腔下端贯通的进风通道,所述进风通道中安装有向网格布进行鼓风的鼓风风机；所述导料块的上端固定连接有抽风箱,所述抽风箱中安装有将导料通道中气体抽出的抽风风机。本发明方便对压片上的粉尘进行气体冲刷并将粉尘带走,使得片剂表面清洁。(The invention discloses a tabletting device for producing western medicine tablets, which comprises a rack, wherein a workbench is fixedly connected to the rack, and an intermediate template is fixedly connected to the workbench; a blanking inclined plane is arranged on the outer side of the middle template, a material guide block is fixedly connected to the rack, a blanking cavity with two ends penetrating through the material guide block is formed in the material guide block, a layer of breathable gridding cloth is arranged in the blanking cavity, a material guide channel is formed between the gridding cloth and the upper side of the blanking cavity, an air inlet channel penetrating through the lower end of the blanking cavity is formed in the material guide block, and a blast fan for blowing air to the gridding cloth is installed in the air inlet channel; the upper end fixedly connected with exhaust box of guide block, install the induced draft fan that takes out gas in the guide passageway in the exhaust box. The invention is convenient to carry out gas scouring on the dust on the tablet and take away the dust, so that the surface of the tablet is clean.)

1. The utility model provides a tabletting device is used in western medicine tablet production which characterized in that: the die comprises a rack (1), wherein a workbench (11) is fixedly connected to the rack (1), an intermediate template (2) is fixedly connected to the workbench (11), an upper die head (3) moving up and down is arranged at the upper end of the rack (1), the upper die head (3) is positioned above the intermediate template (2), a sheet pressing hole (21) is formed in the intermediate template (2), a lower die head (4) moving up and down is arranged below the intermediate template (2), and the upper die head (3) and the lower die head (4) extrude materials in the sheet pressing hole (21) into sheets after moving down;

a blanking inclined plane (22) is arranged on the outer side of the middle template (2), a material guide block (5) is fixedly connected to the rack (1), a blanking cavity (51) with two ends penetrating through the material guide block (5) is formed in the material guide block (5), a layer of air-permeable gridding cloth (52) is arranged in the blanking cavity (51), a material guide channel (53) is formed between the gridding cloth (52) and the upper side of the blanking cavity (51), the lower end of the material guide channel (53) is arranged in a downward inclined mode, the upper end of the material guide channel (53) is in butt joint with the lower end of the blanking inclined plane (22), an air inlet channel (54) penetrating through the lower end of the blanking cavity (51) is formed in the material guide block (5), and an air blowing fan (55) for blowing air to the gridding cloth (52) is installed in the air inlet channel (54); the upper end fixedly connected with air extracting box (6) of guide piece (5), for hollow structure and be close to the one end of guide passageway (53) and link up with the upside of guide passageway (53) in air extracting box (6), install exhaust fan (61) of taking out the gas in guide passageway (53) in air extracting box (6).

2. The tabletting device for western medicine tablet production according to claim 1, wherein: fixedly connected with 2 deflector (23) on blanking inclined plane (22), 2 deflector (23) are the V type relatively and arrange and the lower extreme of 2 deflector (23) flushes with the last port both sides of guide passageway (53), form the landing passageway with the leading-in guide passageway (53) of preforming material in the middle of 2 deflector (23).

3. The tabletting device for western medicine tablet production according to claim 1, wherein: the air extracting box (6) comprises a first air pipe (62), a first box body (63) and a second air pipe (64), an air outlet is arranged on the inner wall of the upper side of the material guide block (5), the first air pipe (62) is fixedly connected on the material guide block (5), the position of the first air pipe (62) is matched with the position of the air outlet, the inner cavity of the first air pipe (62) is communicated with the material guide channel (53) through the air outlet, one end of the first air pipe (62) far away from the material guide block (5) is fixedly connected with a first box body (63), a filtering cloth bag (65) is arranged in the first box body (63), the opening of the filtering cloth bag (65) is connected with the end part of the first air pipe (62), one end fixedly connected with second tuber pipe (64) of first tuber pipe (62) are kept away from to first box (63), air exhaust fan (61) are installed in second tuber pipe (64).

4. The tabletting device for western medicine tablet production according to claim 1, wherein: the lower end of the material guide block (5) is fixedly connected with a vertical cylinder (56), the vertical cylinder (56) is of a hollow structure which is communicated up and down, and the upper end of the inner cavity of the vertical cylinder (56) is butted with the material guide channel (53).

5. The tabletting device for western medicine tablet production according to claim 1, wherein: the die structure is characterized in that a first driving mechanism (12), a second driving mechanism (13) and a third driving mechanism (14) are mounted on the rack (1), the first driving mechanism (12), the second driving mechanism (13) and the third driving mechanism (14) are all linear driving mechanisms, the first driving mechanism (12) is located below the middle die plate (2), the lower die head (4) is mounted on the first driving mechanism (12), and the first driving mechanism (12) is used for driving the lower die head (4) to move up and down; the upper die head (3) is arranged on a second driving mechanism (13), and the second driving mechanism (13) is used for driving the upper die head (3) to move up and down; the driving end of the third driving mechanism (14) is fixedly connected with a push plate (7), a first feeding hole (71) is formed in the push plate (7), the bottom of the push plate (7) is fixedly connected with a feeding barrel (72) which is obliquely arranged, a second feeding hole (73) is formed in the feeding barrel (72), and the second feeding hole (73) is communicated with the first feeding hole (71); the rack (1) is fixedly connected with a storage barrel (74), the lower end of the storage barrel (74) is provided with a feed opening, and the push plate (7) is attached to the lower end of the storage barrel (74); when the push plate (7) is in a withdrawing state under the driving of the third driving mechanism (14), the first feeding hole (71) on the push plate (7) corresponds to the feed opening and guides the material falling from the feed opening into the second feeding hole (73), when the push plate (7) is pushed out under the driving of the third driving mechanism (14), the first feeding hole (71) on the push plate (7) is staggered with the feed opening and seals the feed opening, the feeding barrel (72) below the push plate (7) pushes out the formed tablet pushed out by the lower die head (4) so that the tablet slides down from the blanking inclined plane (22), and the lower end of the second feeding hole (73) in the feeding barrel (72) moves to the upper side of the tabletting hole (21) to guide the material in the second feeding hole (73) into the tabletting hole (21).

6. The tabletting device for western medicine tablet production according to claim 5, wherein: the upper end of the lower die head (4) is fixedly connected with a lower extrusion column (41), the upper end of the lower extrusion column (41) is inserted into the tablet pressing hole (21), the lower end of the upper die head (3) is fixedly connected with an upper extrusion column (31), the upper extrusion column (31) is positioned right above the tablet pressing hole (21) and is matched with the lower extrusion column (41) after moving downwards to extrude the material in the tablet pressing hole (21) into tablets; and the lower extrusion column (41) ejects the tablets to be flush with the upper surface of the middle die after the tablets are extruded and molded.

7. The tabletting device for western medicine tablet production according to claim 4, wherein: one side of the rack (1) is provided with a material receiving container (8), the material receiving container (8) is located below the vertical barrel (56), and the material receiving container (8) is used for collecting tablets falling from the vertical barrel (56).

The technical field is as follows:

the invention relates to the technical field of tabletting, in particular to a tabletting device for producing western medicine tablets.

Background art:

in western medicine preparations, the tablet is a common preparation form, the tabletting is one of dry forming, and generally, a tablet machine is adopted to press powdery or fine granular raw materials into a tablet shape or a ring shape through a high-pressure die.

After tablet pressing of some pharmaceutical tablet presses is finished, formed tablets are discharged from a die and then slide into a container through a guide groove, in the process that the tablets slide downwards in the guide groove, the surfaces of the tablets can remain tablet materials on the surfaces of the guide groove in the process of friction between the surfaces of the tablets and the guide groove, and after a long time, a large number of raw material blocks, especially products containing saccharides, are adhered to the surfaces of the guide groove, so that the inner surfaces of the guide groove are uneven, the tablets slide down are influenced, and the raw material blocks on the surfaces of the guide groove are not easy to remove; on the other hand, because dust exists on the surface of the tablet in the manufacturing process and the sliding process of the tablet, the conventional process for removing the dust needs to separately carry out a tablet screening process and a dust removal process on the tabletted tablet, so that the process is complex.

The invention content is as follows:

the invention aims to solve the technical problems and provides a tabletting device for producing western medicine tablets.

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

a tabletting device for production of western medicine tablets comprises a rack, wherein a workbench is fixedly connected to the rack, a middle template is fixedly connected to the workbench, an upper die head which moves up and down is arranged at the upper end of the rack and positioned above the middle template, tabletting holes are formed in the middle template, a lower die head which moves up and down is arranged below the middle template, and materials in the tabletting holes are extruded into tablets with the lower die head after the upper die head moves down;

a blanking inclined plane is arranged on the outer side of the middle template, a material guide block is fixedly connected to the rack, a blanking cavity with two ends penetrating through the material guide block is formed in the material guide block, a layer of breathable gridding cloth is arranged in the blanking cavity, a material guide channel is formed between the gridding cloth and the upper side of the blanking cavity, the lower end of the material guide channel is arranged in a downward inclined mode, the upper end of the material guide channel is in butt joint with the lower end of the blanking inclined plane, an air inlet channel penetrating through the lower end of the blanking cavity is formed in the material guide block, and a blast fan for blasting air to the gridding cloth is installed in the air inlet channel; the upper end fixedly connected with exhaust box of guide block, be hollow structure and be close to the one end of guide passageway and link up with the upside of guide passageway in the exhaust box, install the induced draft fan of taking gas out in the guide passageway in the induced draft box.

Furthermore, 2 guide plates are fixedly connected to the blanking inclined plane, the 2 guide plates are arranged in a V shape relatively, the lower ends of the 2 guide plates are flush with the two sides of the upper port of the material guide channel, and a sliding channel for guiding the tabletting materials into the material guide channel is formed in the middle of the 2 guide plates.

Further, the air pumping box comprises a first air pipe, a first box body and a second air pipe, an air outlet is formed in the inner wall of the upper side of the guide block, the first air pipe is fixedly connected to the guide block, the position of the first air pipe is matched with the position of the air outlet, the inner cavity of the first air pipe is communicated with the guide channel through the air outlet, one end of the first air pipe, far away from the guide block, is fixedly connected with the first box body, a filtering cloth bag is arranged in the first box body, the opening of the filtering cloth bag is connected with the end portion of the first air pipe, the one end of the first box body, far away from the first air pipe, is fixedly connected with the second air pipe, and the air exhaust fan is installed in the second air pipe.

Furthermore, the lower end of the material guide block is fixedly connected with a vertical cylinder, the vertical cylinder is of a hollow structure which is communicated up and down, and the upper end of the inner cavity of the vertical cylinder is in butt joint with the material guide channel.

Further, a first driving mechanism, a second driving mechanism and a third driving mechanism are mounted on the rack, the first driving mechanism, the second driving mechanism and the third driving mechanism are all linear driving mechanisms, the first driving mechanism is located below the middle template, the lower die head is mounted on the first driving mechanism, and the first driving mechanism is used for driving the lower die head to move up and down; the upper die head is arranged on a second driving mechanism, and the second driving mechanism is used for driving the upper die head to move up and down; the driving end of the third driving mechanism is fixedly connected with a push plate, a first feeding hole is formed in the push plate, the bottom of the push plate is fixedly connected with a feeding barrel which is obliquely arranged, a second feeding hole is formed in the feeding barrel, and the second feeding hole is communicated with the first feeding hole; the rack is fixedly connected with a storage barrel, the lower end of the storage barrel is provided with a feed opening, and the push plate is attached to the lower end of the storage barrel; when the push plate is in a withdrawing state under the driving of the third driving mechanism, the first feeding hole on the push plate corresponds to the feed opening and guides the material falling from the feed opening into the second feeding hole, when the push plate is pushed out under the driving of the third driving mechanism, the first feeding hole on the push plate and the feed opening are staggered and seal the feed opening, the feeding barrel below the push plate pushes out the formed tablet ejected by the lower die head, so that the tablet slides down from the blanking inclined plane, and the lower end of the second feeding hole in the feeding barrel moves to the position above the tabletting hole to guide the material in the second feeding hole into the tabletting hole.

Further, the upper end of the lower die head is fixedly connected with a lower extrusion column, the upper end of the lower extrusion column is inserted into the tablet pressing hole, the lower end of the upper die head is fixedly connected with an upper extrusion column, and the upper extrusion column is positioned right above the tablet pressing hole, moves downwards and then is matched with the lower extrusion column to extrude the material in the tablet pressing hole into tablets; and the lower extrusion column ejects the tablets to be flush with the upper surface of the middle die after the tablets are extruded and molded.

Furthermore, a material receiving container is arranged on one side of the rack, the material receiving container is located below the vertical barrel, and the material receiving container is used for collecting tablets falling from the vertical barrel.

The working principle of the invention is as follows: when the device is used, the push plate is pushed out to guide the powdery material guided into the second feeding hole into the tablet pressing hole and is positioned at the upper end of the lower extrusion column, then the push plate retracts, the upper die head moves downwards to enable the upper extrusion column to move downwards to be matched with the upper extrusion column to extrude the material in the tablet pressing hole into tablets, then the upper die head moves upwards to eject the formed tablets out of the tablet pressing hole, the upper end of the lower extrusion column is flush with the upper surface of the middle template, the push plate is pushed out to enable the guide cylinder to eject the formed tablets to slide, the lower die head descends, the material in the guide cylinder falls into the tablet pressing hole, and the tablet pressing cycle is completed; after the upper die head and the lower die head extrude powdery materials into flaky tablets, the tablets are ejected out, slide down from a blanking inclined plane and fall into a material guide channel, a blower fan blows air to the grid cloth to enable air flow to flow into the material guide channel through the grid cloth, the falling tablets are supported in an auxiliary mode through the air flow flowing out of the material guide channel, the contact pressure of the tablets and the grid cloth is reduced, the tablets are washed through the air flow to enable powder attached to the tablets to be blown up, an exhaust fan extracts air with the powder from the material guide channel from the other side and enables a certain negative pressure to be formed in the material guide channel, the air source of the air inlet end of the exhaust fan comprises air entering from the upper end and the lower end of the material guide channel and air blown in by the blower fan, the air flow entering from the upper end of the material guide channel can assist the tablets to enter the material guide channel, and the air entering from the lower end of the material guide channel can enable the falling tablets to be decelerated when being discharged from the material guide channel, the impact and the crushing when the speed is too high and the container falls into the container are avoided; the air flow penetrating through the mesh cloth in the material guide channel supports the tablets, so that the friction between the tablets and the material guide channel is reduced, and the materials on the tablets are prevented from being attached to the material guide channel; the guide plate is used for guiding, so that tablet materials after tabletting can enter the sliding channel more easily; a filter cloth bag is arranged in the exhaust box and can collect dust; the lower end of the material guide block is provided with the vertical cylinder, so that air at the lower end enters the material guide channel through the vertical cylinder, the movement direction of air flow in the vertical cylinder is opposite to that of the tablets, the speed reduction time of the tablets is prolonged, the falling speed of the tablets is further reduced, the falling impact of the tablets is reduced, the vertical cylinder is vertically arranged and is consistent with the falling direction of the tablets, the contact with the vertical cylinder is reduced, and the abrasion caused by friction is avoided.

The tabletting device for producing the western medicine tablets provided by the invention has the following beneficial effects: after tabletting is carried out, dust on the tabletting can be subjected to gas scouring and taken away, so that the surface of the tablet is clean, and the tablet does not need to be sieved and dedusted independently; in the process of sliding the tablets, the sliding speed is gentle, and the impact and the breakage of the tablets are reduced; the device has simple structure and high efficiency.

Description of the drawings:

the following detailed description of embodiments of the invention is provided in conjunction with the appended drawings:

FIG. 1 is a schematic structural diagram of a tabletting device for producing western medicine tablets, provided by the invention;

FIG. 2 is an enlarged schematic view of the portion A in FIG. 1;

FIG. 3 is a schematic view of a portion of FIG. 2 in the direction F;

FIG. 4 is a schematic diagram of the tabletting status of the tabletting device for producing western medicine tablets provided by the invention.

The reference numbers in the figures illustrate: 1. a frame; 11. a work table; 12. a first drive mechanism; 13. a second drive mechanism; 14. a third drive mechanism; 2. an intermediate template; 21. a wafer pressing hole; 22. a blanking inclined plane; 23. a guide plate; 3. an upper die head; 31. an upper extrusion column; 4. a lower die head; 41. a lower extrusion column; 5. a material guide block; 51. a blanking cavity; 52. mesh cloth; 53. a material guide channel; 54. an air inlet channel; 55. a blower fan; 56. a vertical cylinder; 6. an air extraction box; 61. an air draft fan; 62. a first air duct; 63. a first case; 64. a second air duct; 65. a filter cloth bag; 7. pushing the plate; 71. a first feed hole; 72. a feed cylinder; 73. a second feed hole; 74. a storage cylinder; 8. a receiving container.

The specific implementation mode is as follows:

it should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

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 a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that all the directional indicators (such as up-down-left-right-front-back … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components in a specific posture (as shown in the figure) -motion situation, etc., and if the specific posture is changed, the directional indicators are changed accordingly, and the connection may be a direct connection or an indirect connection.

As shown in fig. 1-4, a tabletting device for western medicine tablet production comprises a frame 1, wherein a workbench 11 is fixedly connected to the frame 1, a middle template 2 is fixedly connected to the workbench 11, an upper die head 3 moving up and down is arranged at the upper end of the frame 1, the upper die head 3 is positioned above the middle template 2, a tablet pressing hole 21 is formed in the middle template 2, a lower die head 4 moving up and down is arranged below the middle template 2, and the upper die head 3 and the lower die head 4 extrude materials in the tablet pressing hole 21 into tablets after moving down;

a blanking inclined plane 22 is arranged on the outer side of the middle template 2, a material guide block 5 is fixedly connected to the frame 1, a blanking cavity 51 with two ends penetrating through the material guide block 5 is formed in the material guide block 5, a layer of air-permeable mesh cloth 52 is arranged in the blanking cavity 51, a material guide channel 53 is formed between the mesh cloth 52 and the upper side of the blanking cavity 51, the lower end of the material guide channel 53 is arranged in a downward inclined manner, the upper end of the material guide channel 53 is butted with the lower end of the blanking inclined plane 22, an air inlet channel 54 penetrating through the lower end of the blanking cavity 51 is formed in the material guide block 5, and an air blower 55 blowing air to the mesh cloth 52 is installed in the air inlet channel 54; the upper end fixedly connected with exhaust box 6 of guide block 5, be hollow structure and be close to the one end of guide passageway 53 and link up with the upside of guide passageway 53 in the exhaust box 6, install the induced draft fan 61 of taking out gas in the guide passageway 53 in the exhaust box 6.

By adopting the technical scheme, after the upper die head 3 and the lower die head 4 extrude the powdery material into flaky tablets, the tablets are ejected out, slide down from the blanking inclined plane 22 and fall into the material guide channel 53, the air blower 55 works to blow air to the grid cloth 52, so that air current flows out from the material guide channel 53 through the grid cloth 52, the falling tablets are supported in an auxiliary way through the air current flowing out from the material guide channel 53, the contact pressure between the tablets and the grid cloth 52 is reduced, the tablets are washed by the air current, so that powder attached to the tablets is blown up, the air draft fan 61 works to draw out the air with the powder in the material guide channel 53 from the other side, a certain negative pressure is formed in the material guide channel 53, the air source at the air inlet end of the air draft fan 61 comprises the air entering from the upper end and the lower end of the material guide channel 53 and the air blowing from the air blower 55, the air current entering from the upper end of the material guide channel 53 can assist the tablets to enter the material guide channel 53, the air entering from the lower end of the material guiding channel 53 can reduce the speed of the falling tablets when the falling tablets are discharged from the material guiding channel 53, so that the falling tablets are prevented from being collided and broken when falling into a container at too high speed; the air flow penetrating through the mesh cloth 52 in the material guide channel 53 supports the tablets, so that the friction between the tablets and the material guide channel 53 is reduced, and the materials on the tablets are prevented from being attached to the material guide channel 53; the guide plate 23 is used for guiding the tabletted tablet materials to enter the sliding channel more easily.

Specifically, the blanking inclined plane 22 is fixedly connected with 2 guide plates 23, the 2 guide plates 23 are arranged in a V shape relatively, the lower ends of the 2 guide plates 23 are flush with two sides of the upper port of the material guide channel 53, and a sliding channel for guiding the tabletting material into the material guide channel 53 is formed in the middle of the 2 guide plates 23. The guiding plate 23 is used for guiding the materials into the blanking channel.

Specifically, the air pumping box 6 includes a first air pipe 62, a first box 63, and a second air pipe 64, an air outlet has been seted up to the upper side inner wall of guide block 5, first air pipe 62 is fixedly connected on guide block 5, the position phase-match of first air pipe 62 and the position of air outlet and the inner chamber of first air pipe 62 are linked together through air outlet and guide passageway 53, the one end fixedly connected with and the first box 63 that guide block 5 was kept away from to first air pipe 62, be equipped with filter cloth bag 65 in the first box 63, the opening of filter cloth bag 65 links to each other with the tip of first air pipe 62, the one end fixedly connected with second air pipe 64 that first air pipe 62 was kept away from to first box 63, air exhaust fan 61 is installed in second air pipe 64. The dust can be collected by providing a filter cloth bag 65 in the suction box 6.

Specifically, the lower end of the material guide block 5 is fixedly connected with a vertical cylinder 56, the vertical cylinder 56 is a hollow structure which is through from top to bottom, and the upper end of the inner cavity of the vertical cylinder 56 is butted with the material guide channel 53. The lower end of the material guide block 5 is provided with the vertical cylinder 56, so that air at the lower end enters the material guide channel 53 through the vertical cylinder 56, the movement direction of air flow in the vertical cylinder 56 is opposite to that of tablets, the deceleration time of the tablets is prolonged, the falling speed of the tablets is further reduced, the falling impact of the tablets is reduced, the vertical cylinder 56 is vertically arranged and is consistent with the falling direction of the tablets, the contact with the vertical cylinder 56 is reduced, and the abrasion caused by friction is avoided.

Specifically, a first driving mechanism 12, a second driving mechanism 13 and a third driving mechanism 14 are mounted on the frame 1, the first driving mechanism 12, the second driving mechanism 13 and the third driving mechanism 14 are all linear driving mechanisms, the first driving mechanism 12 is located below the middle template 2, the lower die head 4 is mounted on the first driving mechanism 12, and the first driving mechanism 12 is used for driving the lower die head 4 to move up and down; the upper die head 3 is arranged on a second driving mechanism 13, and the second driving mechanism 13 is used for driving the upper die head 3 to move up and down; the driving end of the third driving mechanism 14 is fixedly connected with a push plate 7, a first feeding hole 71 is formed in the push plate 7, the bottom of the push plate 7 is fixedly connected with a feeding barrel 72 which is obliquely arranged, a second feeding hole 73 is formed in the feeding barrel 72, and the second feeding hole 73 is communicated with the first feeding hole 71; a material storage cylinder 74 is fixedly connected to the frame 1, a feed opening is formed in the lower end of the material storage cylinder 74, and the push plate 7 is attached to the lower end of the material storage cylinder 74; when the push plate 7 is driven by the third driving mechanism 14 to be in a retracted state, the first feeding hole 71 on the push plate 7 corresponds to the feed opening and guides the material falling from the feed opening into the second feeding hole 73, when the push plate 7 is driven by the third driving mechanism 14 to be pushed out, the first feeding hole 71 on the push plate 7 is staggered with the feed opening and seals the feed opening, the feeding barrel 72 below the push plate 7 pushes out the molded tablet pushed out by the lower die head 4 so that the tablet slides down from the blanking inclined plane 22, and the lower end of the second feeding hole 73 in the feeding barrel 72 moves to the position above the tablet pressing hole 21 to guide the material in the second feeding hole 73 into the tablet pressing hole 21. The first driving mechanism 12, the second driving mechanism 13 and the third driving mechanism 14 can adopt a structure that an air cylinder, a hydraulic cylinder or a motor is matched with a screw rod; the push plate 7 and the feeding barrel 72 can realize that the formed tablet is pushed out and the tablet hole 21 is fed when the lower die head 4 falls, so that the pushing and feeding operations are completed, and the efficiency is improved.

Specifically, the upper end of the lower die head 4 is fixedly connected with a lower extrusion column 41, the upper end of the lower extrusion column 41 is inserted into the tablet pressing hole 21, the lower end of the upper die head 3 is fixedly connected with an upper extrusion column 31, and the upper extrusion column 31 is positioned right above the tablet pressing hole 21 and is matched with the lower extrusion column 41 after moving downwards to extrude the material in the tablet pressing hole 21 into tablets; and the lower compression column 41 ejects the tablets to the level of the upper surface of the intermediate die after the tablets are compression molded. When the device is used, the push plate 7 pushes out the powdery material led into the second feeding hole 73 to be led into the tablet pressing hole 21 and located at the upper end of the lower extrusion column 41, then the push plate 7 retracts, the upper die head 3 moves downwards to enable the upper extrusion column 31 to move downwards to be matched with the upper extrusion column 31 to extrude the material in the tablet pressing hole 21 into tablets, then the lower die head 4 moves upwards to eject the formed tablets out of the tablet pressing hole 21 and enable the upper end of the lower extrusion column 41 to be flush with the upper surface of the middle template 2 after the upper die head 3 moves upwards, the push plate 7 pushes out the formed tablets by the guide cylinder to slide downwards, the lower die head 4 descends, the material in the guide cylinder falls into the tablet pressing hole 21, tabletting circulation is completed, and efficient tabletting is realized.

Specifically, one side of the rack 1 is provided with a material receiving container 8, the material receiving container 8 is located below the vertical cylinder 56, and the material receiving container 8 is used for collecting tablets falling from the vertical cylinder 56.

The foregoing shows and describes the general principles, essential features, and inventive features of this invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is to be protected by the following claims and their equivalents.