CN216036897U - Forced feeding device - Google Patents

Abstract

The application discloses force feeding device relates to pharmacy technical field, and the problem of filling up between the impeller is difficult to the force feeding equipment before improving. Including the storage hopper, the row's of the bottom fixedly connected with of storage hopper is linked together expects the pipe, the circular magazine that the bottom fixedly connected with of arranging the material pipe is linked together, the inside cover of arranging the material pipe is equipped with the rotating tube, this application passes through set up screw conveyor leaf and step motor, make step motor drive pivot and screw conveyor leaf rotation through the transmission of second gear and first gear when starting work, thereby carry the inside powder of storage hopper along the rotating tube is continuous to the inside of bell pipe, then each group's relief hole arranges respectively to between adjacent two sets of impellers on the bell pipe, and to the small opening propelling movement that corresponds in the feeding block, fill up from the powder dress that makes between the impeller, reduce the powder and can't fill up the probability in the well die hole from the small opening exhaust powder, improve the tablet qualification rate of suppressing.

Description

Forced feeding device

Technical Field

The application relates to the technical field of pharmacy, in particular to a forced feeding device.

Background

The tablet press is mainly used for tablet process research in the pharmaceutical industry. The tablet machine presses the granular material into round, special-shaped and flaky material with characters, symbols and figures with the diameter not more than 13 mm. Some pharmaceutical tablet presses appear deckle edge and dust and should carry out dust removal (more than twice) simultaneously with the sieve mascerating machine when the tablet is tabletted, must satisfy GMP standard.

Powder need carry powder to well mould downthehole portion through forcing feeding equipment earlier at the preforming in-process, then carrying out the preforming, and present forcing feeding equipment utilizes the passive unloading of action of gravity generally, and powder is difficult to even falling between the impeller, is difficult to fill between the impeller simultaneously, and the follow-up mould hole that leads to the fact is difficult to the dress to fill up, and then makes the unqualified situation of tablet of suppressing take place.

SUMMERY OF THE UTILITY MODEL

In order to improve and to be difficult to fill the problem of filling among the impeller to present forced feeding equipment, this application provides a forced feeding device.

The application provides a force feeding device adopts following technical scheme:

a forced feeding device comprises a storage hopper, wherein a discharging pipe is fixedly connected with the bottom of the storage hopper and communicated with the bottom of the discharging pipe, a circular material box is fixedly connected with the bottom of the discharging pipe and communicated with the bottom of the discharging pipe, a rotating pipe is sleeved inside the discharging pipe, a conical pipe is fixedly connected with the bottom of the rotating pipe and positioned inside the circular material box, the bottom of the conical pipe is rotatably connected with the inner bottom wall of the circular material box, impellers matched with the inside of the circular material box are uniformly and fixedly connected on the periphery of the outer side of the conical pipe, discharging holes are uniformly formed in the outer side wall of the conical pipe, the conical pipe is positioned between two adjacent groups of the impellers, spiral conveying blades matched with each other are sleeved on the rotating pipe, the bottoms of the spiral conveying blades are rotatably connected with the inner bottom wall of the circular material box, and a rotating shaft is fixedly connected with the tops of the spiral conveying blades, the top fixedly connected with of storage hopper decides the apron, the pivot runs through decide the apron, decide top one side fixedly connected with step motor of apron, step motor's output fixedly connected with second gear, the outside top fixedly connected with of pivot with the first gear of second gear engaged with, bottom one side fixedly connected with feeding block of circular magazine, the inside of feeding block set up with the hourglass material hole that circular magazine is inside to be linked together.

Through adopting above-mentioned technical scheme, step motor drives pivot and auger delivery leaf through the transmission of second gear and first gear and rotates at start-up during operation to carry the inside powder of storage hopper along the continuous inside to the bell pipe of rotating tube, then evenly arrange to between two sets of adjacent impellers through each group's relief hole on the bell pipe, and to the inside hourglass material hole propelling movement that corresponds of feeding block, make the powder packing between the impeller fill up.

Optionally, the outer side of the spiral conveying blade is rotatably connected with a rotating ring, connecting rods are uniformly and fixedly connected to the periphery of the rotating ring, and one end, far away from the rotating ring, of each connecting rod is fixedly connected with the inner wall of the corresponding rotating pipe.

Through adopting above-mentioned technical scheme, the setting of swivel becket and connecting rod can rotate the messenger to the spiral delivery leaf and carry out spacing fixed to prevent that the spiral delivery leaf from taking place the skew, improve the installation stability of spiral delivery leaf.

Optionally, a fixing plate is arranged above the fixed cover plate, supporting rods are fixedly connected to four corners of the bottom of the fixing plate, and one end, far away from the fixing plate, of each supporting rod is fixedly connected with the fixed cover plate.

Through adopting above-mentioned technical scheme, the setting of fixed plate is used for the top of the pivot to fix, and is more stable when making pivot drive spiral delivery leaf rotate.

Optionally, the outside top fixedly connected with support ring of rotating tube, even fixedly connected with backing sheet all around is located at the top of support ring, the backing sheet is kept away from the one end fixedly connected with support disc of support ring, the pivot with support disc rotates and connects, the top intermediate position department fixedly connected with driving tube of support disc, the driving tube runs through decide the apron and extend to decide the top of apron, the driving tube with decide the apron and rotate and connect, the pivot cover is located the inside of driving tube.

By adopting the technical scheme, the support ring and the support sheets are used for connecting the rotating tube with the fixed cover plate, so that the top of the rotating tube is limited and fixed, and the support sheets are arranged between the support ring and the support disc, so that medicinal powder can be discharged into the rotating tube through the support sheets of each group.

Optionally, the supporting sheet is arranged obliquely clockwise, and the supporting ring is of a flaring-shaped structure.

Through adopting above-mentioned technical scheme for the backing sheet can scrape the powder of the inside storage of storage hopper to one side of spiral delivery leaf when rotating along with supporting the disc, thereby makes the inside of the more smooth discharge of powder into rotating tube.

Optionally, the outer side of the rotating pipe is fixedly connected with a spiral conveying blade matched with the inner part of the discharge pipe, and the top of the outer side of the transmission pipe is fixedly connected with a third gear meshed with the second gear.

Through adopting above-mentioned technical scheme for can drive the driving tube, support disc, backing sheet and the rotating tube synchronous rotation through mutually supporting of second gear and bracing piece when step motor starts work, the rotating tube drives the screw conveyor blade and rotates thereupon rotating the in-process, thereby carries the inside of circular magazine through arranging the material pipe with the inside powder of storage hopper, with the powder effect that falls of improvement powder.

Optionally, a movable cover plate matched with the fixed cover plate is arranged on one side of the top of the storage hopper, and the movable cover plate is rotatably connected with the fixed cover plate.

Through adopting above-mentioned technical scheme, the setting of moving the apron can with decide the apron and mutually support the top lid of storage hopper and close, prevents as far as possible that powder splashes when the blanking.

Optionally, a magnetic block is fixedly connected to one side of the fixed plate close to the movable cover plate.

Through adopting above-mentioned technical scheme, the setting of magnetic path is moving the apron and is opening can will move the apron and adsorb when supplementing powder to the inside of storage hopper, realizes spacing fixed to moving the apron.

To sum up, the beneficial effect of this application is as follows:

this application passes through set up auger delivery leaf and step motor, make step motor drive pivot and auger delivery leaf rotation through the transmission of second gear and first gear when starting work, thereby carry the powder of storage hopper inside along the continuous inside to the taper pipe of rotating tube, then each group's relief hole arranges respectively to between adjacent two sets of impellers on the taper pipe, and to the inside hourglass material hole propelling movement that corresponds of feeding block, fill up from the powder dress that makes between the impeller, reduce the powder and can't fill up the probability that well mould hole from hourglass material hole exhaust powder, improve the tablet qualification rate of suppressing.

Drawings

FIG. 1 is a cross-sectional view of the overall construction of the present invention;

FIG. 2 is a bottom view of the round cartridge structure of the present invention;

figure 3 is a top view of the support ring structure of the present invention.

Description of reference numerals: 1. a storage hopper; 2. a discharge pipe; 3. a circular magazine; 4. a material feeding block; 5. a material leaking hole; 6. a first gear; 7. rotating the tube; 8. a tapered tube; 9. an impeller; 10. a support ring; 11. a support sheet; 12. a support disc; 13. a spiral conveying blade; 14. a rotating shaft; 15. fixing a cover plate; 16. a stepping motor; 17. a second gear; 18. a third gear; 19. a drive tube; 20. a rotating ring; 21. a connecting rod; 22. a screw conveying blade; 23. a movable cover plate; 24. a support bar; 25. a fixing plate; 26. a discharge hole; 27. a magnetic block.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

Please refer to fig. 1, a force feeding device, including the storage hopper 1 that is used for storing powder, the bottom fixedly connected with of storage hopper 1 is linked together and is used for arranging powder water conservancy diversion to the inside row of circular magazine 3 expects pipe 2, the bottom fixedly connected with of arranging material pipe 2 is linked together and is used for the circular magazine 3 to the powder splendid attire transition, the inside cover of arranging material pipe 2 is equipped with the rotating tube 7 that is used for the powder water conservancy diversion, the outside fixedly connected with of rotating tube 7 and row material pipe 2 inside looks adaptation be used for following rotating tube 7 pivoted spiral delivery blade 22, make and drive spiral delivery blade 22 and rotate along with it when rotating tube 7 rotates, thereby carry the inside powder ditch of storage hopper 1 to the inside of circular magazine 3 through arranging material pipe 2.

Referring to fig. 1-3, the bottom of the rotating tube 7 is fixedly connected with a conical tube 8, the conical tube 8 with a conical structure can uniformly guide the medicine powder conveyed by the spiral conveying blades 22 to the space between each group of impellers 9, the conical tube 8 is positioned inside the circular material box 3, the bottom of the conical tube 8 is rotatably connected with the inner bottom wall of the circular material box 3, the impellers 9 which are matched with the inside of the circular material box 3 and used for guiding the medicine powder are uniformly and fixedly connected around the outer side of the conical tube 8, and meanwhile, the impellers 9 can also rotate along with the rotation of the conical tube 8, so that the medicine powder inside the circular material box 3 is stirred towards the inside of the material leaking hole 5, and the medicine powder is discharged into the inside of the material leaking hole 5.

Referring to fig. 1, the rotating tube 7 is sleeved with a spiral conveying blade 13 which is adapted to vertically convey the medicinal powder in the storage hopper 1 to the inside of the conical tube 8 along the rotating tube 7 when rotating, the bottom of the spiral conveying blade 13 is rotatably connected with the inner bottom wall of the circular material box 3, the outer side of the spiral conveying blade 13 is rotatably connected with a rotating ring 20 for limiting the spiral conveying blade 13, the periphery of the rotating ring 20 is uniformly and fixedly connected with a connecting rod 21 for fixing the rotating ring 20, one end of the connecting rod 21 far away from the rotating ring 20 is fixedly connected with the inner wall of the rotating tube 7, the outer side wall of the conical tube 8 is uniformly provided with a discharge hole 26 for discharging the medicinal powder in the conical tube 8 to the inside of the circular material box 3, the conical tube 8 is located between two adjacent groups of impellers 9, so that the medicinal powder in the conical tube 8 can be uniformly discharged to the space between the two adjacent groups of impellers 9 through the discharge hole 26, and is pushed towards the corresponding material leaking hole 5 inside the feeding block 4.

Referring to fig. 1, a rotating shaft 14 is fixedly connected to the top of the spiral conveying blade 13, a fixed cover plate 15 for supporting a pair of stepping motors 16 is fixedly connected to the top of the storage hopper 1, and the fixed cover plate 15 can cover one side of the top of the storage hopper 1, a movable cover plate 23 adapted to the fixed cover plate 15 and used for covering the other side of the top of the storage hopper 1 is arranged on one side of the top of the storage hopper 1, so as to prevent the splashing of the powder during blanking, the movable cover plate 23 is rotatably connected to the fixed cover plate 15, a magnetic block 27 for adsorbing and fixing the movable cover plate 23 when the movable cover plate 23 is opened is fixedly connected to one side of the fixed plate 25 close to the movable cover plate 23, so as to prevent the movable cover plate 23 from covering the storage hopper 1 during the feeding of the powder into the storage hopper 1, a fixed plate 25 for limiting and fixing the top of the pair of rotating shaft 14 is arranged above the fixed cover plate 15, and support rods 24 are fixedly connected to four corners of the bottom of the fixed plate 25, the end of the support rod 24 away from the fixing plate 25 is fixedly connected to the fixed cover plate 15, so that the fixing plate 25 can support the top of the rotating shaft 14, and the rotating shaft 14 can be kept stable during rotation.

Referring to fig. 1-3, a rotating shaft 14 penetrates through a fixed cover plate 15, a stepping motor 16 used for driving the rotating shaft 14 and a spiral conveying blade 13 to rotate through a second gear 17 and a first gear 6 when the fixed cover plate 15 is started, an output end of the stepping motor 16 is fixedly connected with the second gear 17, a first gear 6 meshed with the second gear 17 and used for being matched with the second gear 17 to realize transmission between the stepping motor 16 and the rotating shaft 14 is fixedly connected to the top of the outer side of the rotating shaft 14, a feeding block 4 is fixedly connected to one side of the bottom of the circular material box 3, and a material leaking hole 5 communicated with the inside of the circular material box 3 and used for feeding medicine powder to fall into the inside of a middle mold of a tablet press is formed in the feeding block 4.

Referring to fig. 1-2, a support ring 10 is fixedly connected to the top of the outer side of the rotating tube 7, the support ring 10 is in a flaring structure, the flaring support ring 10 is convenient for the powder to fall into the rotating tube 7, a support sheet 11 for connecting the support ring 10 with a support disc 12 is uniformly and fixedly connected to the periphery of the top of the support ring 10, the support sheet 11 is arranged in a clockwise inclined manner, so that the powder stored in the storage hopper 1 can be scraped to one side of a spiral conveying blade 13 when the support sheet 11 rotates along with the support disc 12, thereby the powder can be discharged into the rotating tube 7 more smoothly, the support disc 12 is fixedly connected to one end of the support sheet 11 far from the support ring 10, a rotating shaft 14 is rotatably connected with the support disc 12, a driving tube 19 for driving the support disc 12 to rotate is fixedly connected to the middle position of the top of the support disc 12, and the driving tube 19 can also isolate and protect the rotating shaft 14, the transmission pipe 19 runs through and decides apron 15 and extend to the top of deciding apron 15, and transmission pipe 19 with decide apron 15 and rotate and be connected, the inside of transmission pipe 19 is located to the 14 covers of pivot, the outside top fixedly connected with of transmission pipe 19 and second gear 17 engaged with third gear 18 for can drive transmission pipe 19 through mutually supporting of second gear 17 and third gear 18 and rotate when step motor 16 starts work.

The implementation principle of the application is as follows:

when the rotary powder feeding device is used, the cover plate 23 is opened, the movable cover plate 23 is adsorbed with the magnetic block 27, then the powder is fed into the storage hopper 1, then the stepping motor 16 is started, when the stepping motor 16 is started to work, the rotating shaft 14 and the spiral conveying blades 13 are driven to rotate through the transmission of the second gear 17 and the first gear 6, when the spiral conveying blades 13 rotate, the powder in the storage hopper 1 is conveyed to the inside of the conical pipe 8 along the inside of the rotating pipe 7, then the powder is discharged to the space between two adjacent groups of impellers 9 in the circular material box 3 from all groups of discharge holes 26 around the conical pipe 8, meanwhile, when the stepping motor 16 drives the second gear 17 to rotate, the driving pipe 19 is driven to reversely rotate through the third gear 18, when the driving pipe 19 reversely rotates, the supporting disc 12, the supporting sheet 11, the supporting ring 10 and the rotating pipe 7 synchronously reversely rotate, and when the rotating pipe 7 reversely rotates, the spiral conveying blades 22 are driven, Conical tube 8 and impeller 9 antiport along with it, helical conveying blade 22 during antiport with the inside powder of storage hopper 1 along the inside of arranging material pipe 2 to the inside transport of circular magazine 3, then between 8 water conservancy diversion to adjacent two sets of impellers 9 through conical tube, conical tube 8 takes impeller 9 pivoted in-process simultaneously, make powder between adjacent two sets of impellers 9 constantly discharged by propelling movement to small opening 5, at last in the well nib that corresponds on the tablet press is discharged into from small opening 5, thereby realize that the nib carries out the interpolation of powder in the phase compression machine.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a force feeding device, includes storage hopper (1), its characterized in that: the material discharging device is characterized in that a material discharging pipe (2) is communicated with the bottom fixedly connected with of the storage hopper (1), a circular material box (3) is communicated with the bottom fixedly connected with of the material discharging pipe (2), a rotating pipe (7) is sleeved in the material discharging pipe (2), a conical pipe (8) is fixedly connected with the bottom of the rotating pipe (7), the conical pipe (8) is located in the circular material box (3), the bottom of the conical pipe (8) is rotatably connected with the inner bottom wall of the circular material box (3), impellers (9) matched with the inner part of the circular material box (3) are uniformly fixedly connected with the periphery of the outer side of the conical pipe (8), material discharging holes (26) are uniformly formed in the outer side wall of the conical pipe (8), the conical pipe (8) is located between two adjacent groups of the impellers (9), and spiral conveying blades (13) matched with each other are sleeved on the rotating pipe (7), the bottom of spiral conveying leaf (13) with the interior diapire of circular magazine (3) rotates to be connected, the top fixedly connected with pivot (14) of spiral conveying leaf (13), the top fixedly connected with of storage hopper (1) decides apron (15), pivot (14) run through decide apron (15), decide top one side fixedly connected with step motor (16) of apron (15), the output fixedly connected with second gear (17) of step motor (16), the outside top fixedly connected with of pivot (14) with first gear (6) that second gear (17) mesh mutually, bottom one side fixedly connected with feeding block (4) of circular magazine (3), the inside of feeding block (4) seted up with material leakage hole (5) that circular magazine (3) inside is linked together.

2. A forced feeding device as defined in claim 1, wherein: the outer side of the spiral conveying blade (13) is rotatably connected with a rotating ring (20), connecting rods (21) are uniformly and fixedly connected to the periphery of the rotating ring (20), and one end, far away from the rotating ring (20), of each connecting rod (21) is fixedly connected with the inner wall of the rotating pipe (7).

3. A forced feeding device as defined in claim 2, wherein: decide the top of apron (15) and be equipped with fixed plate (25), the equal fixedly connected with bracing piece (24) in bottom four corners of fixed plate (25), bracing piece (24) are kept away from the one end of fixed plate (25) with decide apron (15) fixed connection.

4. A forced feeding device according to claim 3, characterized in that: the utility model discloses a novel rotary drum, including support disc (12), pivot pipe (7), the outside top fixedly connected with support ring (10) of pivot pipe (7), even fixedly connected with backing sheet (11) all around at the top of support ring (10), backing sheet (11) are kept away from the one end fixedly connected with of support ring (10) supports disc (12), pivot (14) with support disc (12) and rotate and connect, the top intermediate position department fixedly connected with transmission pipe (19) of support disc (12), transmission pipe (19) run through decide apron (15) and extend to decide the top of apron (15), transmission pipe (19) with decide apron (15) and rotate and connect, pivot (14) cover is located the inside of transmission pipe (19).

5. Forced feeding device according to claim 4, characterized in that: the supporting sheet (11) is arranged obliquely along the clockwise direction, and the supporting ring (10) is of a flaring-shaped structure.

6. Forced feeding device according to claim 5, characterized in that: the outer side of the rotating pipe (7) is fixedly connected with a spiral conveying blade (22) matched with the interior of the discharging pipe (2), and the top of the outer side of the transmission pipe (19) is fixedly connected with a third gear (18) meshed with the second gear (17).

7. Forced feeding device according to claim 6, characterized in that: the top one side of storage hopper (1) be equipped with decide apron (15) looks adaptation move apron (23), move apron (23) with decide apron (15) and rotate and be connected.

8. Forced feeding device according to claim 7, characterized in that: one side of the fixed plate (25) close to the movable cover plate (23) is fixedly connected with a magnetic block (27).

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