High efficiency tablet press for pharmaceutical tablet manufacturing
By introducing a feeding component and a power transmission mechanism into the tablet press, quantitative feeding and forming of the drug powder are achieved, solving the problems of inaccurate tablet pressing and cross-contamination in the existing technology, and improving the efficiency and quality of tablet manufacturing.
Patent Information
- Application Number
- CN202411471219.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-22
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2044-10-22
AI Technical Summary
Existing tablet presses have difficulty achieving precise feeding before tablets are pressed into shape. Too much or too little powder can affect the thickness and quality of the tablets, and the pressing process can easily lead to cross-contamination of the tablets and dust.
The design incorporates a feeding assembly, a finished product conveying mechanism, a total power output mechanism, a pressing assembly, a feeding assembly, a pushing mechanism, and a top assembly within the isolation chamber. These components are powered by a single total power output mechanism, enabling quantitative feeding, pressing, and unloading of the powder. The overall structure exhibits excellent sealing properties.
It achieves efficient and precise quantitative feeding in the tablet manufacturing process, improves the quality of finished products, avoids cross-contamination of tablets, and enhances production efficiency and drug efficacy.
Smart Images

Figure CN119590026B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of pharmaceutical engineering, in particular to a high-efficiency tablet press for tablet manufacturing. BACKGROUND
[0002] The machine that presses the tablet by the punch after the granular or powdery material is placed in the die hole is called a tablet press; the tablet press is mainly used for tablet process research in the pharmaceutical industry, and the tablet press is the pharmaceutical equipment with the longest production history in China, and it is also the country with the earliest export, the largest output and the most manufacturers, but it is inevitable to mention that the technical content of the tablet press in China is low, the technological innovation is insufficient, and the gap between the tablet press and tablet technology in developed countries is still widening.
[0003] The invention with the patent number CN107584798A discloses a tablet forming and pressing machine, which comprises a support, a support table arranged on the support, an upper die and a lower die, the lower die is disc-shaped, arranged on the support table and linked with the motor in the support table, the upper die comprises a circular table and a cylindrical upper punch arranged at the lower end of the circular table, the upper punch is circularly distributed on the circular table, the support table is disc-shaped, and a lower punch corresponding to each upper punch is arranged thereon, the lower die is provided with forming holes corresponding to the upper and lower punches, and a material leakage hole is arranged between every two lower punches, the material leakage holes and the lower punches are evenly distributed on the same circumference, and a collecting box is arranged below the support table. After the powder is extruded and formed in the forming hole, the lower punch moves downward to the upper end and is flush with the surface of the support table, then the lower die is rotated to be opposite to the material leakage hole, and the tablet falls into the collecting box from the material leakage hole, thereby greatly improving the production efficiency.
[0004] The invention with the patent number CN118107215B discloses a roller pressing type tablet forming machine, which comprises a rack, a vertical plate, a compression roller and a cam, the vertical plate is fixedly connected with the rack, the compression roller is rotatably connected with the rack, the vertical plate is located on the side where the compression roller rotates downward, and a gradually narrowing powder containing area is formed between the upper halves of the vertical plate and the compression roller; the compression roller is a hollow structure, the cam is located in the compression roller and is fixedly connected with the rack; the compression roller is provided with a forming hole in the circumferential direction, and a piston assembly is slidably connected in the forming hole, the inner end of the piston assembly extends into the compression roller and cooperates with the cam; the piston assembly in the powder containing area is limited by the outer contour line of the cam, so that the outer end face of the piston assembly and the hole wall of the forming hole jointly form a tablet forming chamber; the outer contour line of the cam is provided with a protruding section at the lower end of the cam. The device overcomes the defect that the existing roller pressing type tablet forming machine adopts two parallel arranged compression rollers, which causes the device itself to be too large.
[0005] The existing problems of the above-mentioned existing tablet press are that it is not easy to accurately feed multiple punches before the tablet is pressed into shape, the pressed powder is prone to be too much or too little, which affects the thickness quality of the subsequent pressed tablet, after the tablet is pressed into shape, the tablet is not easy to be taken out from the mold, and most of the tablet pressing processes are open or not completely sealed, which causes the dust to fly in the tablet pressing process, and the cross-contamination of the tablet due to poor sealing during the tablet pressing process affects the drug efficacy. SUMMARY
[0006] The purpose of the present application is to provide a high-efficiency tablet press for tablet manufacturing, which is provided with an isolation box, a feeding assembly, a finished product material conveying mechanism, a total power output mechanism, a pressing assembly, a feeding assembly, a pressing forming mold, a pushing mechanism and a ejection assembly, the isolation box is provided with a cavity, the total power output mechanism is arranged on one side of the inside of the isolation box, the pressing forming mold is provided with two, the two pressing forming molds are symmetrically distributed at the middle end of the inside of the isolation box, the upper end of each pressing forming mold is provided with a pressing assembly on the outside, the upper end of each pressing forming mold is provided with a feeding assembly on the inside, the lower end of each pressing forming mold is provided with an ejection assembly on the outside, and the middle end of each pressing forming mold is provided with a pushing mechanism on the inside. The outer side of the lower end of the two pressing forming molds is provided with a finished product material conveying mechanism, and the upper end of each feeding assembly is provided with a feeding assembly.
[0007] Further, each of the pressing forming molds comprises a punch, a feeding hopper, an upper die, a lower die, an ejection pulley piece, a return spring piece and a recessed die, the lower end of the lower die is connected with the lower end of the partition plate of the isolation box, the upper die is arranged on the upper end of the lower die and connected with the inner wall of the isolation box, the punch is arranged in the middle end of the inside of the upper die and connected with the upper die in sliding mode, and the return spring piece is arranged between the outside of the punch and the upper die, the recessed die is arranged in the middle end of the inside of the lower die and connected with the lower die in sliding mode, the top end of the punch and the bottom end of the recessed die are provided with an ejection pulley piece, the middle part of the inside of the upper die is provided with a feeding hopper, and the middle part of the top end of the lower die is provided with a sliding groove.
[0008] Further, each of the pressing assemblies comprises a pressing shaft, a pressing transmission belt wheel and a pressing block, the two sides of the pressing shaft are connected with the inner wall of the isolation box in rotating mode, the inside end of each pressing shaft is provided with a pressing block, the bottom end of each pressing block is connected with the ejection pulley piece of the top end of each punch in corresponding mode, the middle end of each pressing shaft is provided with a pressing transmission belt wheel, and the two pressing transmission belt wheels are connected and driven in corresponding mode through a pressing belt.
[0009] Further, each of the top material assembly comprises a main top material pulley, a top material belt, a slave top material pulley, a top material block and a top material shaft, the main top material pulley is arranged at the outer end of each pressing shaft, the top material shaft is arranged at the lower end of each lower die and is rotatably connected with the inner wall of the isolation box, the slave top material pulley is arranged at one end of the top material shaft, and the main top material pulley and the slave top material pulley are connected and driven by the top material belt, the top material block is arranged at one side of the middle end of the top material shaft, and the top end of the top material block is connected with the top material pulley at the bottom end of each concave die.
[0010] Further, each of the top material assembly comprises a main top material pulley, a top material belt, a slave top material pulley, a top material block and a top material shaft, the main top material pulley is arranged at the outer end of each pressing shaft, the top material shaft is arranged at the lower end of each lower die and is rotatably connected with the inner wall of the isolation box, the slave top material pulley is arranged at one end of the top material shaft, and the main top material pulley and the slave top material pulley are connected and driven by the top material belt, the top material block is arranged at one side of the middle end of the top material shaft, and the top end of the top material block is connected with the top material pulley at the bottom end of each concave die.
[0011] Further, the total power output mechanism comprises a total motor, a main transmission bevel gear, a slave transmission bevel gear, a gear reducer and a slave transmission bevel gear, the total motor is arranged at the middle outer side of one end of the isolation box, the main transmission bevel gear is arranged at the inner end of the total motor and is connected and driven by the total motor, the gear reducer is arranged in the inner rear layer of the isolation box, the slave transmission bevel gear is arranged at one end of the gear reducer and is connected and driven by the main transmission bevel gear, and the slave transmission bevel gear is arranged at the middle outer side of the single pressing shaft and is connected and driven by the gear reducer.
[0012] Further, the finished product material conveying mechanism comprises a conveying roller, a belt tightness adjuster, a conveying frame, a conveying motor, a connecting bearing, a conveying belt, an inlet bevel and a shielding plate, the conveying frame is arranged at the other side of the lower end of the inner part of the isolation box, the conveying frame is provided with a conveying roller at the inner part of the front and rear ends, the two conveying rollers are rotatably connected with the conveying frame through the connecting bearing, the two conveying rollers are connected and driven by the conveying belt, the conveying motor is arranged at the inner side of the rear end of the conveying frame and is connected and driven by the rear conveying roller, the inlet bevel is arranged at the middle part of the inner side of the upper end of the conveying frame, the shielding plate is arranged at the upper side of the front and rear ends of the conveying frame, and the belt tightness adjuster is arranged at the two sides of the front conveying roller.
[0013] Further, each of the feeding assemblies comprises a box cover, a storage box, a clamping strip, a stirring gear disc, a stirring shaft and a stirring paddle, the top end of the isolation box body is provided with a plurality of through grooves, the lower end of each of the storage boxes is arranged on the upper end of the isolation box body through the through grooves, and the middle part of the two ends of each of the storage boxes is provided with a clamping strip, the storage box is provided with a cavity, the box cover is detachably arranged on the top end of the storage box, the stirring shaft is arranged on one side of the middle end of the storage box, the middle end of the stirring gear disc is rotatably connected to the stirring shaft through the stirring shaft, and the front end of the stirring gear disc is provided with a stirring paddle on each side.
[0014] Further, each of the feeding assemblies comprises a box cover, a storage box, a clamping strip, a stirring gear disc, a stirring shaft and a stirring paddle, the top end of the isolation box body is provided with a plurality of through grooves, the lower end of each of the storage boxes is arranged on the upper end of the isolation box body through the through grooves, and the middle part of the two ends of each of the storage boxes is provided with a clamping strip, the storage box is provided with a cavity, the box cover is detachably arranged on the top end of the storage box, the stirring shaft is arranged on one side of the middle end of the storage box, the middle end of the stirring gear disc is rotatably connected to the stirring shaft through the stirring shaft, and the front end of the stirring gear disc is provided with a stirring paddle on each side.
[0015] Further, each of the feeding assemblies comprises a box cover, a storage box, a clamping strip, a stirring gear disc, a stirring shaft and a stirring paddle, the top end of the isolation box body is provided with a plurality of through grooves, the lower end of each of the storage boxes is arranged on the upper end of the isolation box body through the through grooves, and the middle part of the two ends of each of the storage boxes is provided with a clamping strip, the storage box is provided with a cavity, the box cover is detachably arranged on the top end of the storage box, the stirring shaft is arranged on one side of the middle end of the storage box, the middle end of the stirring gear disc is rotatably connected to the stirring shaft through the stirring shaft, and the front end of the stirring gear disc is provided with a stirring paddle on each side.
[0016] Compared with the prior art, the present application is provided with two groups of feeding assembly, pressure assembly, feeding assembly, pressure forming die, pushing mechanism and ejector assembly, power transmission is carried out through the same power output mechanism, then the medicine powder in the feeding assembly is conveyed to the pressure forming die through the feeding assembly, the medicine powder is quantified through the feeding quantitative assembly in the feeding assembly, then the quantified medicine powder is pushed into the tablet cavity in the pressure forming die through the pushing mechanism, then the pressure assembly drives the punch to perform downward forming, then the ejector assembly drives the recess to move upward to eject the tablet, and the pushing mechanism pushes out the tablet formed by the previous pressure molding to the finished product material conveying mechanism for discharging after pushing in the medicine powder, the overall structure adopts the same power assembly to perform the whole processing process of medicine powder feeding to tablet forming and discharging in time sequence, the processing efficiency is high, the quantitative feeding is accurate, the finished product quality is high, the overall sealing performance is good, cross contamination of the tablet is avoided, and the medicinal effect quality is affected. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 is the overall assembly view of the high-efficiency tablet press for tablet manufacturing provided by the present application;
[0018] Figure 2 is the sectional overall assembly view of the high-efficiency tablet press for tablet manufacturing provided by the present application;
[0019] Figure 3 is the installation schematic view of the pressure assembly provided by the present application;
[0020] Figure 4 is the installation schematic view of the pressure forming die provided by the present application;
[0021] Figure 5 is the installation schematic view of the pushing mechanism provided by the present application;
[0022] Figure 6 is the installation schematic view of the ejector assembly provided by the present application;
[0023] Figure 7 is the installation schematic view of the feeding assembly provided by the present application;
[0024] Figure 8 is the installation schematic view of the feeding assembly provided by the present application;
[0025] Figure 9 is the installation schematic view of the finished product material conveying mechanism provided by the present application Figure 1 .
[0026] Figure 10 is the installation schematic view of the finished product material conveying mechanism provided by the present application Figure 2 .
[0027] Reference signs involved in the above drawings:
[0028] 1. Isolation box;
[0029] 2. Feeding assembly; 201, box cover; 202, storage box; 203, clamping strip; 204, air vent groove; 205, stirring gear disc; 206, stirring rotating shaft; 207, stirring paddle;
[0030] 3. Finished product material conveying mechanism; 301, conveying roller; 302, belt tightness adjuster; 303, conveying frame; 304, conveying motor; 305, connecting bearing part; 306, conveying belt; 307, feeding bevel; 308, shielding plate;
[0031] 4. General power output mechanism; 401, general motor; 402, main transmission bevel gear; 403, auxiliary transmission bevel gear; 404, gear reducer; 405, slave transmission bevel gear;
[0032] 5. Pressing assembly; 501, pressing rotating shaft; 502, pressing transmission pulley; 503, pressing stop block;
[0033] 6. Feeding assembly; 601, feeding sleeve; 602, blanking sleeve; 603, feeding motor; 604, feeding threaded rod; 605, quantitative main gear; 606, quantitative blocking cylinder; 607, quantitative auxiliary gear; 608, quantitative rotating shaft; 609, quantitative motor;
[0034] 7. Pressing forming die; 701, male die; 702, feeding funnel; 703, upper die; 704, lower die; 705, ejection pulley part; 706, return spring part; 707, sliding slot; 708, female die;
[0035] 8. Pushing mechanism; 801, rotating sliding cylinder; 802, pushing rod; 803, pushing roller; 804, connecting sliding column; 805, pushing process sliding slot; 806, main pushing gear; 807, auxiliary pushing gear;
[0036] 9. Ejection assembly; 901, main ejection pulley; 902, ejection belt; 903, slave ejection pulley; 904, ejection stop block; 905, ejection rotating shaft. DETAILED DESCRIPTION
[0037] In order to make the purpose, technical scheme and advantages of the present application more clear, the present application is further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the present application, and are not used to limit the present application.
[0038] The implementation of the present application is described in detail below in combination with specific examples.
[0039] The same or similar reference numerals in the drawings of the embodiments correspond to the same or similar components; in the description of the present application, it is understood that if the orientations or positional relationships indicated by the terms "upper", "lower", "left", "right" and the like are based on the orientations or positional relationships shown in the drawings, they are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore the terms describing the positional relationship in the drawings are only used for exemplary illustration, and cannot be understood as a limitation of the present patent, for those skilled in the art, the specific meanings of the above terms can be understood according to the specific circumstances.
[0040] Referring to Figures 1-10 The preferred embodiments provided by the present application are shown.
[0041] The high-efficiency tablet press for tablet manufacturing comprises an isolation box 1, a feeding assembly 2, a finished product material conveying mechanism 3, a total power output mechanism 4, a pressing assembly 5, a feeding assembly 6, a pressing and forming die 7, a pushing mechanism 8 and a material ejecting assembly 9. The isolation box 1 is internally provided with a cavity. The total power output mechanism 4 is arranged on one side inside the isolation box 1. The pressing and forming die 7 is provided with two, which are symmetrically distributed at the middle end inside the isolation box 1. The upper end of each pressing and forming die 7 is provided with the pressing assembly 5 on the outer side. The upper end of each pressing and forming die 7 is provided with the feeding assembly 6 on the inner side. The lower end of each pressing and forming die 7 is provided with the material ejecting assembly 9 on the outer side. The middle part of each pressing and forming die 7 is provided with the pushing mechanism 8 on the inner side. The lower end of each pressing and forming die 7 is provided with the finished product material conveying mechanism 3 on the outer side. The upper end of each feeding assembly 6 is provided with the feeding assembly 2.
[0042] Each pressing die 7 includes a punch 701, a feeding funnel 702, an upper die 703, a lower die 704, an ejector pulley 705, a return spring 706, and a die 708. The lower end of the lower die 704 is connected to the lower partition plate of the isolation box 1. The upper die 703 is spaced above the lower die 704 and is connected to the inner wall of the isolation box 1. The punch 701 is located in the middle of the upper die 703 and is slidably connected to the upper die 703. A return spring 706 is provided between the outer side of the punch 703 and the upper die 703. The die 708 is located in the middle of the lower die 704 and is slidably connected to the lower die 704. An ejector pulley 705 is provided at the top of the punch 701 and the bottom of the die 708. A feeding funnel 702 is provided in the middle of the inner side of the upper die 703. A groove 707 is provided in the middle of the top of the lower die 704. The pressing and forming mold 7 is equipped with an upper mold 703 and a lower mold 704 to facilitate the installation and fixing of the punch 701 and the die 708. The punch 701 and the die 708 facilitate the pressing and forming of the medicine powder. The feeding funnel 702 facilitates the feeding of medicine powder. The return spring 706 facilitates the reset of the punch 701 after pressing and forming. The ejector pulley 705 facilitates the reduction of friction between the punch 701 and the die 708 and the pressing block 503 and the ejector block 904.
[0043] Each pressing assembly 5 includes a pressing shaft 501, a pressing drive pulley 502, and a pressing block 503. The pressing shaft 501 is rotatably connected to the inner wall of the isolation box 1 on both sides. Each pressing shaft 501 has a pressing block 503 at its inner end, and the bottom end of each pressing block 503 is correspondingly and closely connected to the ejector pulley 705 at the top of each punch 701. Each pressing shaft 501 has a pressing drive pulley 502 at its middle end, and the two pressing drive pulleys 502 are connected and driven by a pressing belt. The pressing assembly 5 is equipped with a pressing shaft 501 to facilitate the rotation of the pressing block 503, a pressing drive pulley 502 to facilitate the rotation of another pressing shaft 501, and a pressing block 503 to facilitate the downward movement of the punch 701 by pressing against its concave and convex surfaces.
[0044] Each of the ejection assemblies 9 comprises a main ejection pulley 901, an ejection belt 902, a slave ejection pulley 903, an ejection block 904 and an ejection shaft 905. The main ejection pulley 901 is arranged at the outer end of each of the pressing shafts 501. The ejection shaft 905 is arranged at the lower end of each of the lower dies 704 and rotatably connected to the inner walls of the two sides of the isolation box 1. The slave ejection pulley 903 is arranged at one end of the ejection shaft 905. The main ejection pulley 901 and the slave ejection pulley 903 are connected and driven by the ejection belt 902. The ejection block 904 is arranged at one side of the middle end of the ejection shaft 905. The top end of the ejection block 904 is connected to the ejection pulley assembly 705 at the bottom end of each of the recess dies 708. The ejection assemblies 9 are provided with the main ejection pulley 901, the ejection belt 902 and the slave ejection pulley 903, which are connected to the pressing shafts 501 to drive the ejection shaft 905 to rotate. The ejection shaft 905 is arranged to drive the ejection block 904 to rotate. The ejection block 904 is arranged to press the recess die 708 through the side convex surface to move upward.
[0045] Each of the pushing mechanisms 8 comprises a rotating slide cylinder 801, a pushing rod 802, a pushing roller 803, a connecting slide column 804, a main pushing gear 806 and a slave pushing gear 807. The pushing roller 803 is arranged at the inner end of each of the lower dies 704 and rotatably connected to the inner walls of the two sides of the isolation box 1. The main pushing gear 806 is arranged at the other end of the ejection shaft 905. The slave pushing gear 807 is arranged at the outer end of the pushing roller 803. The main pushing gear 806 and the slave pushing gear 807 are connected and driven. The rotating slide cylinder 801 is arranged at the bottom end of the feeding hopper 702 and slidably connected to the inner wall of the chute 707. One end of the pushing rod 802 is fixedly connected to the middle end of the rotating slide cylinder 801 through a pushing ring. The other end of the pushing rod 802 is provided with the connecting slide column 804 at the lower middle part. The side surface of the pushing roller 803 is provided with a pushing process chute 805. The lower end of the connecting slide column 804 is arranged in the pushing process chute 805 and slidably connected to the inner wall of the pushing process chute 805. The pushing mechanisms 8 are provided with the main pushing gear 806 and the slave pushing gear 807, which are connected to the ejection shaft 905 to drive the pushing roller 803 to rotate. The pushing roller 803 is arranged to drive the connecting slide column 804 to move forward and backward through the side pushing process chute 805. The connecting slide column 804 and the pushing rod 802 are arranged to drive the rotating slide cylinder 801 to move forward and backward. While feeding, the previous finished product is discharged.
[0046] The total power output mechanism 4 comprises a total motor 401, a main transmission bevel gear 402, a secondary transmission bevel gear 403, a gear reducer 404 and a slave transmission bevel gear 405. The total motor 401 is arranged at the middle outer side of one end of the isolation box 1. The main transmission bevel gear 402 is arranged at the inner end of the total motor 401 and is connected in transmission with the total motor 401. The gear reducer 404 is arranged in the interlayer at the rear inner side of the isolation box 1. The secondary transmission bevel gear 403 is arranged at one end of the gear reducer 404 and is connected in meshing transmission with the main transmission bevel gear 402. The slave transmission bevel gear 405 is arranged at the middle outer side of the single material pressing rotating shaft 501 and is connected in meshing transmission with the gear reducer 404. The total power output mechanism 4 is provided with the total motor 401, so as to conveniently drive the main transmission bevel gear 402 to rotate. The main transmission bevel gear 402, the secondary transmission bevel gear 403, the gear reducer 404 and the slave transmission bevel gear 405 are arranged, so as to conveniently drive the single material pressing rotating shaft 501 to rotate.
[0047] The finished material conveying mechanism 3 comprises conveying rollers 301, belt tightness adjusters 302, a conveying frame 303, a conveying motor 304, connecting bearing pieces 305, a conveying belt 306, a feeding bevel 307 and shielding plates 308. The conveying frame 303 is arranged at the lower end of the other side of the inner side of the isolation box 1. The conveying frame 303 is provided with the conveying rollers 301 at the inner sides of the front and rear ends thereof. The conveying rollers 301 are rotatably connected with the conveying frame 303 through the connecting bearing pieces 305 at the two ends thereof. The conveying rollers 301 are connected in transmission with each other through the conveying belt 306. The conveying motor 304 is arranged at the inner side of the rear end of the conveying frame 303 and is connected in transmission with the rear conveying roller 301. The conveying frame 303 is provided with the feeding bevel 307 at the upper middle part of the inner side thereof. The conveying frame 303 is provided with the shielding plates 308 at the upper sides of the front and rear ends thereof. The conveying rollers 301 at the front end are provided with the belt tightness adjusters 302 at the two sides thereof. The finished material conveying mechanism 3 is provided with the conveying motor 304, so as to conveniently drive the conveying rollers 301 to rotate. The conveying frame 303 is arranged, so as to conveniently mount and fix the conveying rollers 301, the belt tightness adjusters 302 and the conveying motor 304. The conveying rollers 301 and the conveying belt 306 are arranged, so as to conveniently convey the finished tablets. The feeding bevel 307 is arranged, so as to conveniently receive the finished tablets pushed out. The shielding plates 308 are arranged, so as to conveniently isolate the conveying belt 306 from the outside. The belt tightness adjusters 302 are arranged, so as to conveniently adjust the tightness of the conveying belt 306.
[0048] Each supply assembly 2 comprises a box cover 201, a storage box 202, a clamping strip 203, a stirring gear disc 205, a stirring shaft 206 and a stirring paddle 207. A plurality of through grooves are formed in the top end of the isolation box body 1. Each storage box 202 is arranged on the upper end of the isolation box body 1 through the through grooves. The clamping strip 203 is arranged at the middle part of the two ends of the storage box 202. The storage box 202 is internally provided with a cavity. The box cover 201 is detachably arranged at the top end of the storage box 202. The stirring shaft 206 is arranged at the middle end of the inside of the storage box 202. The stirring gear disc 205 is rotatably connected to the stirring shaft 206 through the stirring shaft 206. The stirring paddle 207 is arranged at the front end of the two sides of the stirring gear disc 205. The box cover 201 is provided with a ventilation groove 204 at the top end. The storage box 202 of the supply assembly 2 is arranged to facilitate the storage of the medicine powder. The box cover 201 is arranged to facilitate the loading of the medicine powder. The clamping strip 203 is arranged to facilitate the clamping of the storage box 202. The stirring gear disc 205, the stirring shaft 206 and the stirring paddle 207 are arranged to facilitate the stirring and dispersion of the medicine powder in the box, thereby avoiding the caking of the medicine powder.
[0049] Each feeding assembly 6 comprises a feeding sleeve 601, a blanking sleeve 602, a feeding motor 603 and a feeding threaded rod 604. One end of the feeding sleeve 601 is connected to the lower end of the storage box 202. The top end of the blanking sleeve 602 is connected to the other end of the feeding sleeve 601. The feeding motor 603 is arranged at the other side of the lower end of the storage box 202. The feeding threaded rod 604 is arranged inside the lower end of the storage box 202. One end of the feeding threaded rod 604 is arranged inside the feeding sleeve 601. The other end of the feeding threaded rod 604 is drivingly connected to the feeding motor 603. The lower end of the stirring gear disc 205 is meshingly connected to the middle end of the feeding threaded rod 604. The feeding motor 603 and the feeding threaded rod 604 of the feeding assembly 6 are arranged to facilitate the conveying of the medicine powder. The blanking sleeve 602 is arranged to facilitate the falling of the medicine powder into the feeding hopper 702.
[0050] The other end of each feeding sleeve 601 is provided with a feeding and metering assembly, which comprises a metering main gear 605, a metering blocking cylinder 606, a metering auxiliary gear 607, a metering rotating shaft 608 and a metering motor 609. The metering blocking cylinder 606 is arranged inside the other end of the feeding sleeve 601, and the upper end of the metering blocking cylinder 606 penetrates through the feeding sleeve 601 and is rotationally connected with the feeding sleeve 601 in correspondence. The metering auxiliary gear 607 is arranged at the top end of the metering blocking cylinder 606. The metering motor 609 is arranged at the middle end of the one side of the storage box 202. The metering rotating shaft 608 is arranged at the lower end of the metering motor 609 and is drivingly connected with the metering motor 609 in correspondence. The metering main gear 605 is arranged at the bottom end of the metering rotating shaft 608 and is drivingly connected with the metering auxiliary gear 607 in correspondence. The lower end of the metering blocking cylinder 606 is provided with a notch on one side. The feeding and metering assembly is arranged to facilitate metering and feeding. The metering main gear 605, the metering auxiliary gear 607, the metering rotating shaft 608 and the metering motor 609 are arranged to facilitate rotating the metering blocking cylinder 606. The metering blocking cylinder 606 is arranged to facilitate blocking and opening the outlet of the feeding sleeve 601.
[0051] The processing method of the high-efficiency tablet press for manufacturing tablets is as follows:
[0052] S1, powder feeding, start the feeding motor 603, the feeding motor 603 drives the feeding threaded rod 604 to rotate, the feeding threaded rod 604 rotates to deliver the powder into the feeding sleeve 602, the feeding sleeve 602 drops the powder into the feeding hopper 702, the feeding hopper 702 drops the powder into the rotating sliding cylinder 801, at the same time, the feeding threaded rod 604 drives the stirring gear plate 205 to rotate, the stirring gear plate 205 drives the two stirring paddles 207 to stir and scatter the powder in the storage box 202. When the powder in the specified time is fed into the feeding sleeve 602, the metering motor 609 is started, the metering motor 609 drives the metering main gear 605 to rotate through the metering rotating shaft 608, the metering main gear 605 drives the metering auxiliary gear 607 to rotate, then the metering auxiliary gear 607 drives the metering blocking cylinder 606 to rotate by a certain angle to block the upper end of the feeding sleeve 602, and the feeding is completed once.
[0053] S2, the medicine powder is pressed into shape, the total motor 401 is started, the total motor 401 drives single pressing shaft 501 to rotate through gear transmission, single pressing shaft 501 drives another pressing shaft 501 to rotate simultaneously through belt transmission, two pressing shafts 501 drive pressing block 503 to rotate simultaneously, the concave-convex surface of the side of two pressing blocks 503 moves the convex die 701 downward through the material lifting pulley piece 705 and cooperates with the concave die to press the medicine powder into shape, then two pressing shafts 501 drive the material lifting shaft 905 to rotate through belt transmission, the concave-convex surface of the side of two material lifting blocks 904 moves the concave die 708 upward through the material lifting pulley piece 705 and ejects the formed tablet, simultaneously, two material lifting shafts 905 drive the pushing roller 803 to rotate through gear transmission, the material pushing process sliding groove 805 on the side surface of two pushing rollers 803 moves the material pushing rod 802 forward and backward through the connecting slide column 804, two material pushing rods 802 drive the material rotating sliding cylinder 801 to move forward along the sliding groove 707 in the middle of the top of the lower die 704 and stay on the upper end of the concave die 708 for a short time to drop material, then two material pushing rods 802 continue to drive the material rotating sliding cylinder 801 to move forward and push the tablet processed in the previous process into the conveying belt 306 in the finished product material conveying mechanism 3 along the sliding groove 707 in the middle of the top of the lower die 704, then two material pushing rods 802 drive the material rotating sliding cylinder 801 to move backward and reset.
[0054] S3, the tablet is discharged, the conveying motor 304 is started, the conveying motor 304 drives the conveying belt 306 to rotate through the conveying roller 301, and the tablet falling on the upper surface is conveyed to the next processing equipment feeding place.
[0055] The above only describes the preferred embodiment of the present application and does not limit the present application, and any modification, equivalent replacement and improvement within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims
1. A high efficiency tablet press for tablet manufacture, characterised in that, The utility model provides a kind of automatic production line for plastic injection molding, including isolation box (1), feed assembly (2), finished material conveying mechanism (3), total power output mechanism (4), pressing assembly (5), feeding assembly (6), pressing forming die (7), pushing mechanism (8) and ejector assembly (9), the cavity is equipped in the isolation box (1), the total power output mechanism (4) is arranged in isolation box (1) inside one side, the pressing forming die (7) is equipped with two, two the pressing forming die (7) interval symmetrical distribution in isolation box (1) inside middle end, each the pressing forming die (7) upper end middle outer side is equipped with pressing assembly (5), each the pressing forming die (7) upper end inner side is equipped with feeding assembly (6), each the pressing forming die (7) lower end middle outer side is equipped with ejector assembly (9), each the pressing forming die (7) middle inner side is equipped with pushing mechanism (8), two the pressing forming die (7) lower end outer side is equipped with finished material conveying mechanism (3), each the feeding assembly (6) upper end is equipped with feed assembly (2); Each the pressing forming die (7) includes punch (701), feed hopper (702), upper die (703), lower die (704), ejector pulley piece (705), reset spring piece (706) and female die (708), the lower die (704) lower end is connected with the lower end baffle of isolation box (1) corresponding, the upper die (703) is intervally arranged in lower die (704) upper end and is connected with the inner wall of isolation box (1) corresponding, the punch (701) is arranged in upper die (703) inside middle end and is connected with upper die (703) sliding, and reset spring piece (706) is equipped between the outer side of punch (701) and upper die (703), the female die (708) is arranged in lower die (704) inside middle end and is connected with lower die (704) sliding, the top of punch (701) and the bottom of female die (708) are equipped with ejector pulley piece (705), the inner side middle part of upper die (703) is equipped with feed hopper (702), the top middle part of lower die (704) is equipped with sliding groove (707); Each the pressing assembly (5) includes pressing rotation shaft (501), pressing transmission pulley (502) and pressing resistance block (503), the pressing rotation shaft (501) both sides are rotationally connected with the inner wall of isolation box (1) corresponding, each the pressing rotation shaft (501) inner end is equipped with pressing resistance block (503), each the pressing resistance block (503) bottom end is connected with the ejector pulley piece (705) of each punch (701) top end corresponding abutting, each the pressing rotation shaft (501) middle end is equipped with pressing transmission pulley (502), two the pressing transmission pulley (502) are connected transmission by pressing belt corresponding, Each said top feeding assembly (9) comprises a main top feeding pulley (901), a top feeding belt (902), a slave top feeding pulley (903), a top feeding block (904) and a top feeding shaft (905), the main top feeding pulley (901) is arranged at the outer end of each pressing shaft (501), the top feeding shaft (905) is arranged at the lower end of each lower die (704) and is rotatably connected with the inner wall of the isolation box (1), the slave top feeding pulley (903) is arranged at one end of the top feeding shaft (905), and the main top feeding pulley (901) and the slave top feeding pulley (903) are connected and driven by the top feeding belt (902), the top feeding block (904) is arranged at one side of the middle end of the top feeding shaft (905), and the top end of the top feeding block (904) is connected with the top feeding pulley (705) at the bottom end of each concave die (708).
2. The high efficiency tablet press for tablet manufacture according to claim 1, wherein Each said pushing mechanism (8) comprises a material rotating slide cylinder (801), a pushing rod (802), a pushing roller (803), a connecting slide column (804), a main pushing gear (806) and a slave pushing gear (807), the pushing roller (803) is arranged at the inner end of each lower die (704), and the two ends of the pushing roller (803) are rotatably connected with the inner wall of the isolation box (1), the main pushing gear (806) is arranged at the other end of the top feeding shaft (905), the slave pushing gear (807) is arranged at the outer end of the pushing roller (803), the main pushing gear (806) and the slave pushing gear (807) are connected and driven, the material rotating slide cylinder (801) is arranged at the bottom end of the feeding hopper (702), the lower end of the material rotating slide cylinder (801) is arranged in the chute (707) and is slidably connected with the inner wall of the chute (707), one end of the pushing rod (802) is fixedly connected with the middle end of the material rotating slide cylinder (801) through a pushing ring, the other end of the pushing rod (802) is provided with a connecting slide column (804) at the lower middle part, the side surface of the pushing roller (803) is provided with a pushing process chute (805), and the lower end of the connecting slide column (804) is arranged in the pushing process chute (805) and is slidably connected with the inner wall of the pushing process chute (805).
3. The high efficiency tablet press for tablet manufacture according to claim 2, wherein The total power output mechanism (4) comprises a total motor (401), a main transmission bevel gear (402), a slave transmission bevel gear (403), a gear reducer (404) and a slave transmission bevel gear (405), the total motor (401) is arranged at the middle outer side of one end of the isolation box (1), the main transmission bevel gear (402) is arranged at the inner end of the total motor (401) and is connected and driven with the total motor (401), the gear reducer (404) is arranged in the inner rear interlayer of the isolation box (1), the slave transmission bevel gear (403) is arranged at one end of the gear reducer (404) and is connected and driven with the main transmission bevel gear (402), and the slave transmission bevel gear (405) is arranged at the middle outer side of the single pressing shaft (501) and is connected and driven with the gear reducer (404).
4. The high efficiency tablet press for tablet manufacture according to claim 3, wherein The finished product conveying mechanism (3) comprises a conveying roller (301), a belt tightness adjuster (302), a conveying frame (303), a conveying motor (304), a connecting bearing piece (305), a conveying belt (306), an inlet inclined mouth (307) and a shielding plate (308), the conveying frame (303) is arranged at the other side of the lower end inside the isolation box body (1), the conveying frame (303) is internally provided with the conveying roller (301) at the front end and the rear end, the conveying roller (301) is rotatably connected with the conveying frame (303) at the two ends through the connecting bearing piece (305), the two conveying rollers (301) are correspondingly connected and driven through the conveying belt (306), the conveying motor (304) is arranged at the inner side of the rear end of the conveying frame (303), the conveying motor (304) is correspondingly connected and driven with the rear end conveying roller (301), the inlet inclined mouth (307) is arranged at the upper end of the inner side of the conveying frame (303), the shielding plate (308) is arranged at the upper side of the front end and the rear end of the conveying frame (303), and the belt tightness adjuster (302) is arranged at the two sides of the front end conveying roller (301).
5. The high efficiency tablet press for tablet manufacture according to claim 4, wherein Each feeding assembly (2) comprises a box cover (201), a storage box (202), a clamping strip (203), a stirring gear disc (205), a stirring shaft (206) and a stirring paddle (207), a plurality of through grooves are formed in the top end of the isolation box body (1), the storage box (202) is arranged at the upper end of the isolation box body (1) through the through grooves at the lower end, the clamping strip (203) is arranged at the middle part of the two ends of the storage box (202), the storage box (202) is internally provided with a cavity, the box cover (201) is detachably arranged at the top end of the storage box (202), the stirring shaft (206) is arranged at the middle end of the inner side of the storage box (202), the stirring gear disc (205) is arranged at the middle end and rotatably connected with the stirring shaft (206) through the stirring shaft (206), the stirring paddle (207) is arranged at the two sides of the front end of the stirring gear disc (205), and the ventilation groove (204) is formed in the top end of the box cover (201).
6. The high efficiency tablet press for tablet manufacture according to claim 5, wherein Each feeding assembly (6) comprises a feeding sleeve (601), a blanking sleeve (602), a feeding motor (603) and a feeding threaded rod (604), one end of the feeding sleeve (601) is correspondingly connected with the lower end of the storage box (202), the top end of the blanking sleeve (602) is correspondingly connected with the other end of the feeding sleeve (601) and the lower side, the feeding motor (603) is arranged at the other side of the lower end of the storage box (202), the feeding threaded rod (604) is arranged inside the lower end of the storage box (202), one end of the feeding threaded rod (604) is arranged inside the feeding sleeve (601), the other end of the feeding threaded rod (604) is correspondingly connected and driven with the feeding motor (603), and the stirring gear disc (205) is correspondingly meshed and driven with the middle end of the feeding threaded rod (604).
7. The high efficiency tablet press for tablet manufacture according to claim 6, wherein Each said feeding sleeve (601) is provided with a feeding and metering assembly at the other end, which comprises a metering main gear (605), a metering blocking cylinder (606), a metering auxiliary gear (607), a metering rotating shaft (608) and a metering motor (609), the metering blocking cylinder (606) is arranged inside the other end of the feeding sleeve (601), the upper end of the metering blocking cylinder (606) penetrates through the feeding sleeve (601) and is rotatably connected with the feeding sleeve (601), the metering auxiliary gear (607) is arranged at the top end of the metering blocking cylinder (606), the metering motor (609) is arranged at the middle end of one side of the storage box (202), the metering rotating shaft (608) is arranged at the lower end of the metering motor (609) and is correspondingly drivingly connected with the metering motor (609), the metering main gear (605) is arranged at the bottom end of the metering rotating shaft (608), and the metering main gear (605) is correspondingly meshingly driven with the metering auxiliary gear (607), and a notch is formed at the lower end of one side of the metering blocking cylinder (606).
Citation Information
Patent Citations
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