Search

CN-224210641-U - Rotary tablet press

CN224210641UCN 224210641 UCN224210641 UCN 224210641UCN-224210641-U

Abstract

The utility model discloses a rotary tablet press, which relates to the technical field of drug tablet forming equipment and comprises a frame body, wherein an upper cover plate is fixedly connected to the top of the frame body, a speed regulating stabilizer is fixedly connected to the upper part of the upper cover plate, a blanking speed regulator is movably connected to the speed regulating stabilizer, the blanking speed regulator comprises end shaft frames which are symmetrically and fixedly connected with the upper cover plate, two end shaft frames are movably connected with conical friction rollers which are staggered with each other, driving belts are sleeved outside the two conical friction rollers, and the end part of one conical friction roller penetrates through the end shaft frame and is fixedly connected with a baffle impeller.

Inventors

  • DONG ZEHONG
  • WANG HONGTAO
  • CHEN HAO
  • LIANG WENCONG

Assignees

  • 广东三顺制药集团有限公司

Dates

Publication Date
20260508
Application Date
20250418

Claims (10)

  1. 1. The rotary tablet press is characterized by comprising a frame body (7), wherein an upper cover plate (8) is fixedly connected to the top of the frame body (7), a speed regulating stabilizer (13) is fixedly connected to the upper part of the upper cover plate (8), and a blanking speed regulator (12) is movably connected to the speed regulating stabilizer (13); The blanking speed regulator (12) comprises end shaft rod frames (121) symmetrically and fixedly connected with the upper cover plate (8), conical friction rollers (122) which are mutually staggered are movably connected in the two end shaft rod frames (121), and driving belts (123) are sleeved outside the two staggered conical friction rollers (122); The end part of one conical friction roller (122) penetrates through the end part shaft rod frame (121) and is fixedly connected with a baffle impeller (125), the outer side of the baffle impeller (125) is sleeved with a cylindrical shell cover (2), and one side, close to the conical friction roller (122), of the cylindrical shell cover (2) is fixedly connected with a sealing end cover (126).
  2. 2. The rotary tablet press according to claim 1, wherein the end of the other conical friction roller (122) is fixedly connected with a driven bevel gear (124) through the end shaft bracket (121), the rotary shaft (9) is movably connected in the frame body (7), the end of the rotary shaft (9) is fixedly connected with a driving bevel gear (10) through the upper cover plate (8), and the driving bevel gear (10) is in transmission fit with the driven bevel gear (124).
  3. 3. The rotary tablet press according to claim 2, wherein the bottom of the cylindrical housing (2) is fixedly connected with a guide pipe (3) fixedly connected with the upper cover plate (8), the upper part of the cylindrical housing (2) is fixedly connected with a feed hopper (1), and two sides of the cylindrical housing (2) are respectively communicated with the guide pipe (3) and the feed hopper (1).
  4. 4. The rotary tablet press of claim 3 wherein the speed regulating stabilizer (13) comprises L-shaped side plates (131) symmetrically arranged on two sides of the conical friction roller (122), each L-shaped side plate (131) is provided with an inclined chute (132), two L-shaped side plates (131) are symmetrically provided with limit rollers (133), and the limit rollers (133) are respectively arranged on two sides of the driving belt (123).
  5. 5. The rotary tablet press of claim 4 wherein both ends of the limiting roller (133) are movably connected with end baffles (134) through the inclined chute (132), the end baffles (134) are fixedly connected with the L-shaped side plates (131) through bolts, and the L-shaped side plates (131) are fixedly connected with the upper part of the upper cover plate (8); the rotary shaft (9) is respectively provided with a tablet forming die (4) and an annular extruder (5), and the annular extruder (5) is positioned above the tablet forming die (4).
  6. 6. The rotary tablet press of claim 5, wherein the tablet forming die (4) comprises an annular die (41) fixedly connected with the rotary shaft (9), cylindrical holes (42) are formed in the annular die (41) in an annular array mode, extrusion bottom posts (43) are inserted and matched below each cylindrical hole (42), compression springs (44) are sleeved and connected to the outer sides of the extrusion bottom posts (43), and metal balls (45) are movably matched at one ends, far away from the annular die (41), of the extrusion bottom posts (43).
  7. 7. The rotary tablet press according to claim 6, wherein the annular extruder (5) comprises an annular limiting frame (51) parallel to the annular die (41), extrusion jacking columns (52) corresponding to the cylindrical holes (42) are inserted and matched on the annular die (41) in an annular array manner, and rotary balls (54) are movably connected to the end parts of the extrusion jacking columns (52); and the outer side of each extrusion jacking column (52) is sleeved with a return spring (53), and two ends of the return spring (53) are respectively contacted with the upper part of the annular limiting frame (51) and the end part of the extrusion jacking column (52).
  8. 8. The rotary tablet press of claim 7, wherein the frame body (7) comprises a frame bottom plate (71), a driving motor (11) is fixedly connected below the frame bottom plate (71) through a motor bracket (14), a connecting gear is fixedly connected with the end of the driving motor (11) and one end, far away from the driving bevel gear (10), of the rotating shaft (9), and the driving motor (11) is in transmission fit with the end of the rotating shaft (9) through the connecting gear.
  9. 9. The rotary tablet press of claim 8, wherein the upper end and the lower end of the frame bottom plate (71) are respectively and fixedly connected with a supporting bottom post (72) and a frame support post (73) in a rectangular array, a connecting slide way which is arranged in a ring shape is integrally arranged above the frame bottom plate (71), and is positioned below the extrusion bottom post (43), and the connecting slide way is divided into a feeding slide way (74), an extrusion slide way (75) and a discharging slide way (76) in a anticlockwise sequence.
  10. 10. The rotary tablet press according to claim 9, wherein a protruding slideway (81) corresponding to the extrusion slideway (75) is integrally arranged below the upper cover plate (8), the protruding slideway (81) is positioned above the extrusion top column (52), and a tablet discharger (6) fixedly connected with the frame bottom plate (71) is further arranged on the side surface of the discharging slideway (76); The tablet discharging device (6) comprises a hopper bracket (61) fixedly connected with a bottom plate (71) of the machine frame, an inclined discharging hopper (62) is arranged above the hopper bracket (61), an inclined guide plate (63) attached to the upper side of the annular die (41) is arranged at the end part of the inclined discharging hopper (62), and the other end of the inclined guide plate (63) is fixedly connected with the inner side of the inclined discharging hopper (62).

Description

Rotary tablet press Technical Field The utility model relates to the technical field of drug tablet forming equipment, in particular to a rotary tablet press. Background The rotary tablet press is a device which is specially used in the pharmaceutical industry and is mainly used for pressing powder or granular materials into tablets through a die, the working principle of the rotary tablet press is that a rotary turntable is used for driving a die to move, the granular materials are filled into a die hole through a feeding device, then pressure is applied at different stages through a punch, the materials are pressed into tablets, and finally the tablets are pushed out of the die; The medicine granule gets into feeding device through the loading hopper, under feeding device's effect, the granule is filled in the mould circle by the ration, along with the rotation of revolving stage, mould circle carries the granule to pass through pinch roller and main pinch roller in proper order, the pinch roller is preliminary compaction to the granule earlier, make granule preliminary shaping in the mould circle, then main pinch roller exerts bigger pressure to the granule, suppress it into the tablet that has certain hardness and shape, finally, the tablet that presses is along with the continuation rotation of revolving stage, by the lower drift pushing out the mould circle, accomplish the production process of tablet. However, in practice, it has been noted that the feeding amount needs to be adjusted manually to adjust the diameter of the feeding pipe, which takes a long time, and the feeding hole needs to be intermittently controlled by the electromagnetic valve during feeding, so that the rotary die disc needs to be intermittently rotated, the rotary die disc rotates after the materials completely enter the inner side of the die, and the waiting time of adding the materials affects the tabletting efficiency. Disclosure of utility model The utility model aims to provide a rotary tablet press, wherein power for driving a die to rotate is transmitted to a blanking device for continuous blanking through a transmission mechanism, blanking quantity can be regulated by utilizing a baffle impeller, materials are temporarily stored in a pipeline, continuous feeding is carried out on a rotary female die through rotation of the die, and an stepless speed regulating mechanism is further arranged in the transmission mechanism, so that blanking speed can be regulated, waiting is not needed when the materials are added, and therefore a rotary die disc can be continuously rotated, and tabletting efficiency is improved. To solve the technical problems set forth in the background art. In order to achieve the above purpose, the present utility model provides the following technical solutions: The rotary tablet press comprises a frame body, wherein an upper cover plate is fixedly connected to the top of the frame body, a speed regulating stabilizer is fixedly connected to the upper part of the upper cover plate, and a blanking speed regulator is movably connected to the speed regulating stabilizer; The blanking speed regulator comprises end shaft rod frames which are symmetrically and fixedly connected with the upper cover plate, wherein two end shaft rod frames are movably connected with conical friction rollers which are staggered with each other, and driving belts are sleeved on the outer sides of the two staggered conical friction rollers; The end part of one conical friction roller penetrates through the end part shaft rod frame to be fixedly connected with a baffle impeller, the outer side of the baffle impeller is sleeved with a cylindrical shell cover, and one side of the cylindrical shell cover, which is close to the conical friction roller, is fixedly connected with a sealing end cover. As a further technical scheme of the utility model, the end part of the other conical friction roller is fixedly connected with a driven bevel gear through an end shaft rod frame, a rotating shaft is movably connected in the frame body, the end part of the rotating shaft is fixedly connected with a driving bevel gear through an upper cover plate, and the driving bevel gear is in transmission fit with the driven bevel gear. As a further technical scheme of the utility model, the bottom of the cylindrical shell is fixedly connected with a guide pipe fixedly connected with the upper cover plate, the upper part of the cylindrical shell is fixedly connected with a feed hopper, and two sides of the cylindrical shell are respectively communicated with the guide pipe and the feed hopper. As a further technical scheme of the utility model, the speed regulating stabilizer comprises L-shaped side plates symmetrically arranged at two sides of the conical friction roller, each L-shaped side plate is provided with an inclined chute, two L-shaped side plates are symmetrically provided with limit rollers, and the limit rollers are respectively positioned at