CN113601894B - Powder tablet press - Google Patents
Powder tablet press Download PDFInfo
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- CN113601894B CN113601894B CN202110913626.1A CN202110913626A CN113601894B CN 113601894 B CN113601894 B CN 113601894B CN 202110913626 A CN202110913626 A CN 202110913626A CN 113601894 B CN113601894 B CN 113601894B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/30—Feeding material to presses
- B30B15/302—Feeding material in particulate or plastic state to moulding presses
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
- B30B11/02—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses using a ram exerting pressure on the material in a moulding space
- B30B11/04—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses using a ram exerting pressure on the material in a moulding space co-operating with a fixed mould
- B30B11/06—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses using a ram exerting pressure on the material in a moulding space co-operating with a fixed mould each charge of the material being compressed against the previously formed body
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/0088—Lubricating means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/32—Discharging presses
Abstract
The powder tablet press comprises a fixed shell, an extrusion assembly, a feeding assembly and a driving piece, wherein the extrusion assembly is arranged in the driving shell and used for extruding powder and making tablets, the feeding assembly is arranged in the driving shell and used for providing powder and feeding out the tablets, and the driving piece is fixed in the fixed shell and drives the extrusion assembly and the feeding assembly; the extrusion assembly comprises a first transmission shaft, a second transmission shaft, a material pressing table, a lower punching mechanism and an upper punching mechanism, wherein a plurality of extrusion through holes are formed in the material pressing table, powder is extruded and formed in the extrusion through holes, and a discharge hole is further formed in the material pressing table and used for enabling an extruded tabletting to flow out from the discharge hole. The powder tablet press realizes one-time preparation of a plurality of tablets, improves the tablet preparation efficiency, and simultaneously has simple preparation and lower economic cost.
Description
Technical Field
The application belongs to the technical field of material tabletting, and particularly relates to a powder tablet press.
Background
The powder tablet press is one of the necessary equipment for processing granular raw materials into tablets or granules in the industries of pharmaceutical chemical industry, food, electronics and the like. The powder tablet press is suitable for pressing tablets, coal contact, sugar tablets, calcium tablets, coffee tablets, powder metallurgy, electronic elements, various agricultural chemical fertilizer tablets and the like in the departments of small batch production, laboratories, hospitals and the like, can press various special-shaped and annular tablets, and can press tablets with marks, characters and simple figures engraved on two sides. In the existing market, the tablet presses have a plurality of specifications and large quantity, and are mainly divided into a single-punch tablet press and a rotary tablet press.
However, in the existing tablet press, the single-punch tablet press mainly completes the tablet pressing work through feeding, pressing, discharging and stirring, only one tablet can be pressed at a time, the efficiency is relatively low, and the rotary tablet press can realize the pressing of a plurality of tablets at a time, but the manufacturing cost is relatively high.
Disclosure of Invention
In view of the above, the present application provides a powder tablet press that improves the efficiency of single-punch tablet presses and is more portable and less costly than rotary tablet presses.
The powder tablet press comprises a fixed shell, an extrusion assembly, a feeding assembly and a driving piece, wherein the extrusion assembly is arranged in the driving shell and is used for extruding powder and making tablets, the feeding assembly is arranged in the driving shell and is arranged at the left side and the right side of the extrusion assembly, the feeding assemblies are arranged in pairs, a pair of the feeding assemblies can move oppositely or move oppositely, when the feeding assemblies move oppositely, the feeding assemblies are close to each other, materials can be added into the extrusion assembly and the powder tablets in the extrusion assembly can be pushed out, when the feeding assemblies move oppositely, the feeding assemblies are far away from each other, the extrusion assembly can be used for pressing the powder into tablets, and the driving piece is fixed in the fixed shell and drives the extrusion assembly and the feeding assembly; the extrusion assembly comprises a first transmission shaft, a second transmission shaft, a material pressing table, an undershoot mechanism and an undershoot mechanism, wherein the first transmission shaft is connected with the driving piece, the driving piece drives the first transmission shaft to rotate, two ends of the second transmission shaft are connected with the fixed shell, the second transmission shaft is connected with the first transmission shaft, the first transmission shaft drives the second transmission shaft to rotate, the material pressing table is sleeved and fixed on the second transmission shaft, the undershoot mechanism is arranged on the second transmission shaft and positioned below the material pressing table, and the undershoot mechanism is also arranged on the second transmission shaft and positioned above the material pressing table; the material pressing table is provided with a plurality of extrusion through holes, powder is extruded and formed by a lower punching mechanism and an upper punching mechanism in the extrusion through holes, and the material pressing table is also provided with a discharge hole for enabling an extruded and formed tabletting to flow out of the discharge hole; the lower punching mechanism comprises a first bevel gear set, a crank sliding rod and a lower punch, the first bevel gear set is sleeved on the second transmission shaft, the crank sliding rod is sleeved on the first bevel gear set, one end of the crank sliding rod is fixedly connected with the fixed shell, the other end of the crank sliding rod is connected with the lower punch, the lower punch is sleeved on the second transmission shaft, lower extrusion convex heads are arranged on the lower punch, and the number of the lower extrusion convex heads is the same as the number of holes of extrusion through holes of the material pressing table and used for extruding powder; the upper punching mechanism comprises a second bevel gear set, an extrusion cam, a connecting rod and an upper punch, wherein the second bevel gear set is sleeved on the second transmission shaft, one end of the extrusion cam is fixedly connected with the second bevel gear set, the other end of the extrusion cam is connected with the fixed shell, the extrusion cam can coaxially rotate with the second bevel gear set, one end of the connecting rod is fixedly connected with the upper punch, the other end of the connecting rod passes through the fixed shell and is contacted with the extrusion cam, the upper punch is sleeved on the second transmission shaft, and the upper punch is provided with upper extrusion protruding heads, and the number of the upper extrusion protruding heads is the same as the number of holes of extrusion through holes of the material pressing table and used for extruding powder; the feeding assembly comprises a first transmission assembly, a second transmission assembly, a first feeding mechanism and a second feeding mechanism, wherein the first transmission assembly is sleeved and fixed on the first transmission shaft, the second transmission assembly is sleeved and fixed on the first transmission shaft, the first feeding mechanism is connected with the first transmission assembly and used for conveying powder to the material pressing table, and the second feeding mechanism is connected with the second transmission assembly and used for conveying powder to the material pressing table; the first feeding mechanism comprises a first feeding groove and a first feeding piece, and the first feeding piece moves back and forth in the first feeding groove; the first feeding part is provided with a first feeding port, and when the first feeding part conveys powder into the extrusion through hole of the material pressing table, the first feeding port is aligned with the extrusion through hole; the second feeding mechanism comprises a second feeding groove and a second feeding piece, and the second feeding piece can reciprocate in the second feeding groove; the second feeding part is provided with a second feeding port, and when the second feeding part conveys powder into the extrusion through hole of the material pressing table, the second feeding port is aligned with the extrusion through hole.
According to the technical scheme, the powder tablet press comprises a fixed shell, an extrusion assembly, a feeding assembly and a driving piece, wherein the extrusion assembly is arranged inside the driving shell and used for extruding powder and making tablets, the feeding assembly is arranged inside the driving shell and arranged on the left side and the right side of the extrusion assembly, the feeding assembly is arranged in pairs, the feeding assembly can move oppositely or move oppositely, when the feeding assembly moves oppositely, the feeding assembly is close to each other, the feeding assembly can add materials into the extrusion assembly and push out the powder tablets in the extrusion assembly, when the feeding assembly moves oppositely, the feeding assembly is far away from each other, the extrusion assembly can press the powder into tablets, and the driving piece is fixed in the fixed shell and drives the extrusion assembly and the feeding assembly. The feeding components are arranged in pairs, so that the feeding quantity of the powder tablet press is improved, the feeding components are matched with each other, when a pair of feeding components move in opposite directions, the feeding components move to the nearest point where the feeding components meet (namely, a pair of feeding components are contacted with the extrusion components at the same time), feeding is carried out in the extrusion components, accurate material adding in the extrusion components can be realized, the tablet preparation efficiency is improved, and meanwhile, the device is simple to prepare and low in economic cost.
Drawings
Figure 1 is a cross-sectional view of a powder tablet press.
Figure 2 is an isometric view of a powder tablet press.
Fig. 3 is a front view of the powder tablet press.
Fig. 4 is a top view of the powder tablet press.
Fig. 5 is a left side view of the powder tablet press.
Fig. 6 is an isometric view of the internal structure of the powder tablet press.
Fig. 7 is an enlarged view of a portion of the powder tablet press.
Fig. 8 is a front view of the internal structure of the powder tablet press.
Fig. 9 is a left side view of the internal structure of the powder tablet press.
Fig. 10 is a top view of the internal structure of the powder tablet press.
In the drawing, a fixed housing 100, an extrusion assembly 200, a first transmission shaft 210, a second transmission shaft 220, a pressing stage 230, an extrusion through hole 231, a discharge port 232, an undershoot mechanism 240, a first bevel gear set 241, a first drive bevel gear 2411, a first driven bevel gear 2412, a crank slide bar 242, a first crank slide bar 2421, a second crank slide bar 2422, a lower punch 243, a lower extrusion nose 2431, an overshoot mechanism 250, a second bevel gear set 251, a second drive bevel gear 2511, a second driven bevel gear 2512, an extrusion cam 252, a connecting rod 253, an upper punch 254, an upper extrusion nose 2541, a worm gear 260, a lubrication box 270, a feed assembly 300, a first transmission assembly 310, a first transmission wheel 311, a second transmission wheel 312, a first transmission belt 313, a second transmission assembly 320, a third transmission wheel 321, a fourth transmission wheel 322, a second transmission belt 323, a first rotation shaft 330, a first rotation shaft 331, a third bevel gear set 332, a third drive bevel gear set 3321, a third driven bevel gear 3322, a first feed cam 333, a first feed cam 334, a first rotation shaft 335, a second drive bevel gear set 340, a second rotation shaft 3451, a second feed gear set 3451, a second rotation shaft 3451, a fourth drive bevel gear set 3451, a second feed gear set 3451, a second drive bevel gear set 345, a fourth drive bevel gear set 345.
Detailed Description
The technical scheme and technical effects of the present application are further elaborated below in conjunction with the drawings of the present application.
Referring to fig. 1, a powder tablet press includes a fixed housing 100, a pressing assembly 200, a feeding assembly 300 and a driving member 400, wherein the pressing assembly 200 is disposed in the driving housing and is used for pressing powder and making tablets, the feeding assembly 300 is disposed in the driving housing and is disposed at the left and right sides of the pressing assembly 200, the feeding assemblies 300 are disposed in pairs, and a pair of the feeding assemblies 300 can move towards each other or move away from each other, when the feeding assemblies 300 move towards each other, a pair of the feeding assemblies 300 are close to each other, material can be added into the pressing assembly 200 and the powder tablets in the pressing assembly 200 can be pushed out, when the feeding assemblies 200 move away from each other, the pressing assemblies can press the powder into tablets, and the driving member 400 is fixed in the fixed housing 100 and drives the pressing assembly 200 and the feeding assemblies 300; the feeding components 300 are arranged in pairs, so that the feeding quantity of the powder tablet press is improved, the feeding components 300 are matched with each other, when a pair of feeding components 300 move in opposite directions, the feeding components move to the nearest point where the feeding components 300 meet (namely, the pair of feeding components 300 are simultaneously contacted with the extrusion components 200), feeding is performed in the extrusion components 200, accurate material adding in the extrusion components 200 can be realized, the tablet preparation efficiency is improved, and meanwhile, the device is simple to prepare and low in economic cost.
Preferably, the extrusion assembly 200 includes a first transmission shaft 210, a second transmission shaft 220, a pressing table 230, an undershoot mechanism 240 and an undershoot mechanism 250, where the first transmission shaft 210 is connected with the driving piece 400, the driving piece 400 drives the first transmission shaft 210 to rotate, two ends of the second transmission shaft 220 are connected with the fixed housing 100, the second transmission shaft 220 is connected with the first transmission shaft 210, the first transmission shaft 210 drives the second transmission shaft 220 to rotate, the pressing table 230 is sleeved and fixed on the second transmission shaft 220, the undershoot mechanism 250 is disposed on the second transmission shaft 220 and is located below the pressing table 230, and the undershoot mechanism 240 is also disposed on the second transmission shaft 220 and is located above the pressing table 230; the material pressing platform 230 is provided with a plurality of extrusion through holes 231, powder is extruded in the extrusion through holes 231, and the material pressing platform 230 is also provided with a discharge hole 232 for discharging extruded tablets from the discharge hole 232. The first transmission shaft 210 is driven to rotate by the driving piece 400, the second transmission shaft 220 is driven to rotate by the rotation of the first transmission shaft 210, the feeding mechanism and the discharging mechanism are driven to press materials on the pressing table 230 by the rotation of the second transmission shaft 220, a plurality of extrusion through holes 231 are formed in the pressing table 230, and then the powder tablet press is used for preparing a plurality of tablets at one time, so that the tablet preparation efficiency is improved.
The working process of the powder tablet press comprises the following steps:
the charging process comprises the following steps: the driving member 400 rotates, when the first feeding mechanism 330 and the second feeding mechanism 340 convey powder to the pressing table 230, the upper punch mechanism 250 moves from the upper top surface to the lower bottom surface of the pressing table 230, the lower punch mechanism 240 moves upward in the vertical direction, and the first feeding mechanism 330 and the second feeding mechanism 340 move to the pressing table 230 to add powder into the extrusion through hole 231 of the pressing table 230.
The extrusion process comprises the following steps: the first feeding mechanism 330 and the second feeding mechanism 340 rotate away from the pressing table 230, the upper punch mechanism 250 moves to the lowest point, and the lower punch mechanism 240 moves downward in the vertical direction and moves to the pressing table 230, so as to press powder and form a tablet.
And (3) discharging: the lower punch mechanism 240 moves upward in the vertical direction, the upper punch mechanism 250 simultaneously moves upward in the vertical direction and pushes out the pressed sheet in the extrusion through hole 231 of the pressing table 230, the first feeding mechanism 330 and the second feeding mechanism 340 move downward toward the pressing table 230, when the upper punch mechanism 250 moves to the highest point, the first feeding mechanism 330 and the second feeding mechanism 340 push the pressed sheet to the discharge hole 232, the upper punch mechanism 250 pushes out the pressed sheet, then moves downward in the vertical direction, vacates the extrusion through hole 231 of the pressed sheet, and the first feeding mechanism 330 and the second feeding mechanism 340 convey the powder into the extrusion through hole 231.
Preferably, the undershoot mechanism 240 includes a first bevel gear set 241, a crank sliding rod 242 and a lower punch 243, the first bevel gear set 241 is sleeved on the second transmission shaft 220, the crank sliding rod 242 is sleeved on the first bevel gear set 241, one end of the crank sliding rod 242 is fixedly connected with the fixed housing 100, the other end is connected with the lower punch 243, the lower punch 243 is sleeved on the second transmission shaft 220, and a plurality of lower extrusion bosses 2431 are arranged on the lower punch 243 for extruding powder.
Further, the first bevel gear set 241 includes a first drive bevel gear 2411 and a first driven bevel gear 2412, the first drive bevel gear 2411 is mounted on the second transmission shaft 220, the first driven bevel gear 2412 is meshed with the second drive bevel gear 2511, the crank slide bar 242 includes a first crank slide bar 2421 and a second crank slide bar 2422, the first crank slide bar 2421 is in an L shape, the first crank slide bar 2421 passes through the first driven bevel gear 2412 and is fixedly connected with the first driven bevel gear 2412, one end of the first crank slide bar 2421 is provided with a rolling bearing and is mounted on the fixed housing 100, the rolling bearing and the function of fixing the first crank slide bar 2421 can enable the first crank slide bar 2421 to rotate, when the first crank slide bar 2422 rotates, the first crank slide bar 2421 rotates simultaneously, the first crank slide bar 2422 rotates along the axis of the first crank slide bar 2421, the other end of the first crank slide bar 2421 is hinged with the second crank slide bar 2422, and the second crank slide bar 2422 rotates under the punch.
Further, the lower punch 243 is sleeved on the second transmission shaft 220, and can move up and down along the second transmission shaft 220.
The undershoot mechanism 240 operates: the second transmission shaft 220 drives the first driving bevel gear 2411 to rotate, the first driving bevel gear 2411 drives the first driven bevel gear 2412 to rotate, the first crank slide rod 2421 and the first driven bevel gear 2412 coaxially rotate, the first crank slide rod 2421 drives the second crank slide rod 2422 to rotate, and the second crank slide rod 2422 drives the upper punch 254 to move up and down along the second transmission shaft 220. Specifically, the number of the lower pressing protrusions 2431 is the same as the number of the pressing through holes 231 of the pressing stage 230.
Preferably, the upper punch mechanism 250 includes a second bevel gear set 251, an extrusion cam 252, a connecting rod 253 and an upper punch 254, the second bevel gear set 251 is sleeved on the second transmission shaft 220, one end of the extrusion cam 252 is fixedly connected with the second bevel gear set 251, the other end of the extrusion cam 252 is connected with the fixed housing 100, the extrusion cam 252 can coaxially rotate with the second bevel gear set 251, one end of the connecting rod 253 is fixedly connected with the upper punch 254, the other end of the connecting rod 253 passes through the fixed housing 100 to contact with the extrusion cam 252, the fixed housing 100 has the function of fixing the connecting rod 253, the connecting rod 253 can stably move up and down along the vertical direction under the rotation action of the extrusion cam 252, the upper punch 254 is sleeved on the second transmission shaft 220, and a plurality of upper extrusion bosses 2541 are arranged on the upper punch 254 and used for extruding powder.
Further, the second bevel gear set 251 includes a second drive bevel gear 2511 and a second driven bevel gear 2512, the second drive bevel gear 2511 is mounted on the second transmission shaft 220, the second driven bevel gear 2512 is meshed with the second drive bevel gear 2511, the second driven bevel gear 2512 is fixedly connected with the extrusion cam 252 and coaxially rotates, the extrusion cam 252 is provided with a cam link 253, one end of the cam link 253 is fixedly connected with the extrusion cam 252, the other end of the cam link 253 is mounted with a rolling bearing, and the other end of the cam link is mounted on the fixed housing 100, the extrusion cam 252 is connected with the fixed housing 100 through the cam link 253, and as the rolling bearing is mounted on the cam link 253, the extrusion cam 252 rotates to drive the rolling bearing to rotate and fix the extrusion cam 252, so that the extrusion cam 252 rotates around the cam link 253 as an axis.
Further, the upper punch 254 is sleeved on the second transmission shaft 220, and can move up and down along the second transmission shaft 220.
The upper punch mechanism 250 works: the second drive shaft 220 drives the second drive bevel gear 2511 to rotate, the second drive bevel gear 2511 drives the second driven bevel gear 2512 to rotate, the extrusion cam 252 and the second driven bevel gear 2512 coaxially rotate, the extrusion cam 252 drives the connecting rod 253 to move up and down along the vertical direction, and the movement of the connecting rod 253 drives the upper punch 254 to move up and down along the second drive shaft 220, so that extrusion and ejection processes of powder are completed. Specifically, the lowest point of the movement of the extrusion protrusion of the upper punch 254 is the lower bottom surface of the pressing table 230, the highest point of the movement of the extrusion protrusion of the upper punch 254 is the upper top surface of the pressing table 230, and meanwhile, the number of the upper extrusion protrusions 2541 is the same as the number of the extrusion holes 231 of the pressing table 230.
Preferably, the extrusion assembly 200 further includes a lubrication box 270 and a worm gear 260, the second transmission shaft 220 passes through the lubrication box 270 and is connected to the bottom of the lubrication box 270, the worm gear 260 is disposed in the lubrication box 270, the worm gear is sleeved and fixed on the second transmission shaft 220, and one end of the worm is fixedly connected to the first transmission shaft 210.
Further, a rolling bearing is disposed in the lubrication box 270, and is connected to the top of the worm, and the rolling bearing can make the worm rotate stably, so as to make the worm gear 260 mesh for a long time, and keep the worm gear 260 rotate stably; the lubrication box 270 is further internally provided with an oil inlet and an oil outlet, the oil inlet is used for injecting lubricating oil into the lubrication box 270, the oil outlet is used for flowing out the lubricating oil, the lubricating oil can enable the worm gear 260 and the bearing in the lubrication box 270 to keep lubrication, friction between the worm gear 260 and friction between rolling bearings can be slowed down, and overhigh temperature of the worm gear 260 and the bearing is avoided.
Preferably, the feeding assembly 300 includes a first transmission assembly 310, a second transmission assembly 320, a first feeding mechanism 330 and a second feeding mechanism 340, where the first transmission assembly 310 is sleeved and fixed on the first transmission shaft 210, the second transmission assembly 320 is sleeved and fixed on the first transmission shaft 210, the first feeding mechanism 330 is disposed in the fixed housing 100, and the first feeding mechanism 330 is connected with the first transmission assembly 310 and is used for conveying powder to the pressing table 230, the second feeding mechanism 340 is disposed in the fixed housing 100, and the second feeding mechanism 340 is connected with the second transmission assembly 320 and is used for conveying powder to the pressing table 230. The first feeding mechanism 330 and the second feeding mechanism 340 can simultaneously transport powder onto the pressing table 230, so as to improve the efficiency of the powder tabletting machine for preparing tablets.
Preferably, the first transmission assembly 310 includes a first transmission wheel 311, a second transmission wheel 312 and a first transmission belt 313, the first transmission wheel 311 is sleeved and fixed on the first transmission shaft 210, the second transmission wheel 312 is connected with the first feeding mechanism 330 and is connected with the fixed housing 100, the first transmission belt 313 is connected with the first transmission wheel 311 and the second transmission wheel 312 and drives the first transmission wheel 311 and the second transmission wheel 312 to rotate at the same time, the second transmission assembly 320 includes a third transmission wheel 321, a fourth transmission wheel 322 and a second transmission belt 323, the third transmission wheel 321 is sleeved and fixed on the first transmission shaft 210, the fourth transmission wheel 322 is connected with the second feeding mechanism 340 and is connected with the fixed housing 100, and the second transmission belt 323 is connected with the third transmission wheel 321 and the fourth transmission wheel 322 and drives the third transmission wheel 321 and the fourth transmission wheel 322 to rotate at the same time. In the rotation process of the first transmission wheel 311, the second transmission wheel 312 and the first transmission belt 313, the belt can be stretched and has stronger toughness, and when the belt is damaged, the belt can be replaced, so that the sound caused by the transmission assembly is lower.
Specifically, the diameter of the first driving wheel 311 is smaller than that of the second driving wheel 312, and the rotation speed of the driving member 400 is higher in the rotation process, when the diameter of the second driving wheel 312 is larger than that of the first driving wheel 311, the rotation speed of the second driving wheel 312 can be reduced, and the second driving wheel 312 is connected with the third bevel gear set 332, so that the rotation speed of the third bevel gear set 332 is reduced, friction between the third bevel gear sets 332 is slowed down, and the third bevel gear set 332 is prevented from generating high temperature and damaging bevel gears.
Specifically, the first driving wheel 311 and the second driving wheel 312 are provided with N belt grooves, and N is greater than or equal to 1.
Further, the first transmission assembly 310 may be configured as a gear transmission.
Further, the first transmission assembly 310 is sprocket and chain driven.
Preferably, the first feeding mechanism 330 includes a first feeding shaft 331, a third bevel gear set 332, a first feeding cam 333, a first feeding groove 334 and a first feeding member 335, two ends of the first feeding shaft 331 are connected with the fixed housing 100, the third bevel gear set 332 is sleeved and fixed on the first feeding shaft 331, the third bevel gear set 332 is fixedly connected with the first transmission component 310, the first feeding cam 333 is sleeved and fixed on the first feeding shaft 331, the first feeding groove 334 is fixedly connected with the pressing table, the first feeding member 335 is installed in the first feeding groove 334, one end of the first feeding member 335 is contacted with or interconnected with the first feeding cam 333, and the first feeding cam 333 guides the first feeding member 335 to reciprocate in the first feeding groove 334.
Further, rolling bearings are fixedly arranged at two ends of the first feeding rotating shaft 331, and are embedded in the fixed housing 100, and the first feeding rotating shaft 331 can rotate along the rolling bearings; the third bevel gear set 332 includes a third driving bevel gear 3321 and a third driven bevel gear 3322, the third driving bevel gear 3321 is fixedly connected with the second driving wheel 312 and coaxially rotates, the third driven bevel gear 3322 is sleeved and fixed on the first feeding rotating shaft 331, and the third driving bevel gear 3321 and the third driven bevel gear 3322 are meshed with each other.
Further, example 1: the first feeding member 335 is provided with a return spring, the return spring is connected with the first feeding groove 334, when the first feeding cam 333 rotates to push the first feeding member 335 to move in the first feeding groove 334, the return spring is stretched, when the first feeding cam 333 continues to rotate and cannot push the first feeding member 335 to move in the first feeding groove 334, the return spring automatically contracts, and the first feeding member 335 is pulled back.
Further, example 2: the end of the first feeding member 335 contacting the first feeding cam 333 is provided with a groove, and the outer edge of the first feeding cam 333 is provided with a groove, and the groove can slide in the groove, so that the first feeding cam 333 can guide the first feeding member 335 to reciprocate in the first feeding groove 334.
Further, the first feeding member 335 is provided with a first feeding port 3351 for conveying the powder into the extrusion through hole 231 of the pressing table 230, and when the first feeding member 335 conveys the powder into the extrusion through hole 231 of the pressing table, the first feeding port 3351 can be aligned with the extrusion through hole 231 to facilitate conveying the powder into the extrusion through hole 231.
Still further, the fixed housing is provided with a first feeding box 500, the first feeding box 500 is provided with a feeding hole for adding materials into the first feeding hole 3351, when the feeding box is full of powder to the first feeding hole 3351, the first feeding part 335 moves towards each other to start sliding in the first feeding groove 334, a baffle at the rear end of the first feeding part 335 can block the feeding hole of the feeding box to prevent powder in the feeding box from scattering in the fixed housing, and when the first feeding part 335 moves away from each other, the maximum distance of the first feeding part 335 moving away from each other is that the first feeding hole 3351 is located under the feeding hole of the first feeding box 500.
The first feeding mechanism 330 operates as follows: the first transmission shaft 210 rotates to drive the first transmission wheel 311 to rotate, the first transmission wheel 311 drives the second transmission wheel 312 connected with the first transmission belt 313 to rotate, the second transmission wheel 312 drives the third drive bevel gear 3321 to rotate, the third drive bevel gear 3321 drives the third driven bevel gear 3322 to rotate, the third driven bevel gear 3322 drives the first feeding rotating shaft 331 to rotate, and because the third driven bevel gear 3322 and the first feeding cam 333 are both sleeved on the first feeding rotating shaft 331, the first feeding cam 333 is driven to rotate at the same time, the first feeding member 335 is driven to move in the first feeding groove 334 by the rotation of the first feeding cam 333, and the first feeding member 335 is used for conveying powder into the pressing through hole of the pressing table 230.
Preferably, the second feeding mechanism 340 includes a second feeding shaft 341, a fourth bevel gear set 342, a second feeding cam 343, a second feeding groove 344 and a second feeding member 345, where two ends of the second feeding shaft 341 are connected to the fixed housing 100, the fourth bevel gear set 342 is sleeved and fixed on the second feeding shaft 341, the fourth bevel gear set 342 is fixedly connected to the second transmission assembly 320, the second feeding cam 343 is sleeved and fixed on the second feeding shaft 341, the second feeding groove 344 is fixedly connected to the platen, the second feeding member 345 is installed in the second feeding groove 344, one end of the second feeding member 345 contacts with or is mutually connected to the second feeding cam 343, and the second feeding member 345 is guided by the second feeding cam 343 to reciprocate in the second feeding groove 344.
Further, rolling bearings are fixedly arranged at two ends of the second feeding rotating shaft 341, and are embedded in the fixed housing 100, and the second feeding rotating shaft 341 can rotate along the rolling bearings; the fourth bevel gear set 342 includes a fourth driving bevel gear 3421 and a fourth driven bevel gear 3422, the fourth driving bevel gear 3421 is fixedly connected with the fourth driving wheel 322 and coaxially rotates, the fourth driven bevel gear 3422 is sleeved and fixed on the second feeding rotating shaft 341, and the fourth driving bevel gear 3421 and the fourth driven bevel gear 3422 are meshed with each other.
Further, example 1: the second feeding member 345 is provided with a return spring, the return spring is connected with the second feeding groove 344, when the second feeding cam 343 rotates to push the second feeding member 345 to move in the second feeding groove 344, the return spring is stretched, when the second feeding cam 343 continues to rotate and cannot push the second feeding member 345 to move in the second feeding groove 344, the return spring automatically contracts to pull back the second feeding member 345.
Further, embodiment 2: the end of the second feeding member 345 contacting the second feeding cam 343 is provided with a groove, and the outer edge of the second feeding cam 343 is provided with a groove, and the groove can slide in the groove, so that the second feeding cam 343 can guide the second feeding member 345 to reciprocate in the second feeding groove 344.
Further, the second feeding member 345 is provided with a second feeding port 3451 for conveying the powder into the extrusion through hole 231 of the pressing table 230, and when the second feeding member 345 conveys the powder into the extrusion through hole 231 of the pressing table, the second feeding port 3451 can be aligned with the extrusion through hole 231 so as to facilitate conveying the powder into the extrusion through hole 231.
Still further, a second feeding box 500 is installed on the fixed housing, a feeding port is formed in the second feeding box 500, and is used for adding materials into the second feeding port 3451, when the feeding box is full of powder to the second feeding port 3451, the second feeding member 345 moves towards each other to start sliding in the second feeding groove 344, a baffle at the rear end of the second feeding member 345 can block the feeding port of the feeding box, powder in the feeding box is prevented from being scattered in the fixed housing, and when the second feeding member 345 moves away from each other, the maximum distance of the second feeding member 345 moving away from each other is that the second feeding port 3451 is located right below the feeding port of the second feeding box 500.
The working process of the second feeding mechanism 340: the first transmission shaft 210 rotates to drive the third transmission wheel 321 to rotate, the third transmission wheel 321 drives the fourth transmission wheel 322 connected with the second transmission belt 323 to rotate, the fourth transmission wheel 322 drives the fourth drive bevel gear 3421 to rotate, the fourth drive bevel gear 3421 drives the fourth driven bevel gear 3422 to rotate, the fourth driven bevel gear 3422 drives the second feeding rotating shaft 341 to rotate, and the fourth driven bevel gear 3422 and the second feeding cam 343 are both sleeved on the second feeding rotating shaft 341 to drive the second feeding cam 343 to rotate at the same time, the rotation of the second feeding cam 343 drives the second feeding member 345 to move in the second feeding groove 344, and the second feeding member 345 is used for conveying powder into the pressing through hole of the pressing table 230.
The foregoing disclosure is illustrative of the present invention and is not to be construed as limiting the scope of the invention, but rather as providing for the full or partial flow of the liquid to be delivered to the patient in accordance with the invention.
Claims (6)
1. The powder tablet press is characterized by comprising a fixed shell, an extrusion assembly, a feeding assembly and a driving piece, wherein the extrusion assembly is arranged in the fixed shell and is used for extruding powder and making tablets, the feeding assembly is arranged in the fixed shell and is arranged at the left side and the right side of the extrusion assembly, the feeding assemblies are arranged in pairs, the pair of feeding assemblies can move oppositely or move oppositely, when the feeding assemblies move oppositely, the pair of feeding assemblies are close to each other, materials can be added into the extrusion assembly and the powder tablets in the extrusion assembly can be pushed out, when the feeding assemblies move oppositely, the pair of feeding assemblies are far away from each other, the extrusion assembly can press the powder into tablets, and the driving piece is fixed in the fixed shell and drives the extrusion assembly and the feeding assembly; the extrusion assembly comprises a first transmission shaft, a second transmission shaft, a material pressing table, an undershoot mechanism and an undershoot mechanism, wherein the first transmission shaft is connected with the driving piece, the driving piece drives the first transmission shaft to rotate, two ends of the second transmission shaft are connected with the fixed shell, the second transmission shaft is connected with the first transmission shaft, the first transmission shaft drives the second transmission shaft to rotate, the material pressing table is sleeved and fixed on the second transmission shaft, the undershoot mechanism is arranged on the second transmission shaft and positioned below the material pressing table, and the undershoot mechanism is also arranged on the second transmission shaft and positioned above the material pressing table; the material pressing table is provided with a plurality of extrusion through holes, powder is extruded and formed by a lower punching mechanism and an upper punching mechanism in the extrusion through holes, and the material pressing table is also provided with a discharge hole for enabling an extruded and formed tabletting to flow out of the discharge hole; the lower punching mechanism comprises a first bevel gear set, a crank sliding rod and a lower punch, the first bevel gear set is sleeved on the second transmission shaft, the crank sliding rod is sleeved on the first bevel gear set, one end of the crank sliding rod is fixedly connected with the fixed shell, the other end of the crank sliding rod is connected with the lower punch, the lower punch is sleeved on the second transmission shaft, lower extrusion convex heads are arranged on the lower punch, and the number of the lower extrusion convex heads is the same as the number of holes of extrusion through holes of the material pressing table and used for extruding powder; the upper punching mechanism comprises a second bevel gear set, an extrusion cam, a connecting rod and an upper punch, wherein the second bevel gear set is sleeved on the second transmission shaft, one end of the extrusion cam is fixedly connected with the second bevel gear set, the other end of the extrusion cam is connected with the fixed shell, the extrusion cam can coaxially rotate with the second bevel gear set, one end of the connecting rod is fixedly connected with the upper punch, the other end of the connecting rod passes through the fixed shell and is contacted with the extrusion cam, the upper punch is sleeved on the second transmission shaft, and the upper punch is provided with upper extrusion protruding heads, and the number of the upper extrusion protruding heads is the same as the number of holes of extrusion through holes of the material pressing table and used for extruding powder; the feeding assembly comprises a first transmission assembly, a second transmission assembly, a first feeding mechanism and a second feeding mechanism, wherein the first transmission assembly is sleeved and fixed on the first transmission shaft, the second transmission assembly is sleeved and fixed on the first transmission shaft, the first feeding mechanism is connected with the first transmission assembly and used for conveying powder to the material pressing table, and the second feeding mechanism is connected with the second transmission assembly and used for conveying powder to the material pressing table; the first feeding mechanism comprises a first feeding groove and a first feeding piece, and the first feeding piece moves back and forth in the first feeding groove; the first feeding part is provided with a first feeding port, and when the first feeding part conveys powder into the extrusion through hole of the material pressing table, the first feeding port is aligned with the extrusion through hole; the second feeding mechanism comprises a second feeding groove and a second feeding piece, and the second feeding piece can reciprocate in the second feeding groove; the second feeding part is provided with a second feeding port, and when the second feeding part conveys powder into the extrusion through hole of the material pressing table, the second feeding port is aligned with the extrusion through hole.
2. The powder tablet press of claim 1, wherein the extrusion assembly further comprises a lubrication box and a worm gear, the second transmission shaft passes through the lubrication box and is connected with the bottom of the lubrication box, the worm gear is arranged in the lubrication box, the worm gear is sleeved and fixed on the second transmission shaft, and one end of the worm gear is fixedly connected with the first transmission shaft.
3. The powder tablet press of claim 1, wherein the first feed mechanism is disposed within the stationary housing and the second feed mechanism is disposed within the stationary housing.
4. A powder tablet press according to claim 3, wherein the first transmission assembly comprises a first transmission wheel, a second transmission wheel and a first transmission belt, the first transmission wheel is sleeved and fixed on the first transmission shaft, the second transmission wheel is connected with the first feeding mechanism and the fixed shell, the first transmission belt is connected with the first transmission wheel and the second transmission wheel and drives the first transmission wheel and the second transmission wheel to rotate at the same time, the second transmission assembly comprises a third transmission wheel, a fourth transmission wheel and a second transmission belt, the third transmission wheel is sleeved and fixed on the first transmission shaft, the fourth transmission wheel is connected with the second feeding mechanism and the fixed shell, and the second transmission belt is connected with the third transmission wheel and the fourth transmission wheel and drives the third transmission wheel and the fourth transmission wheel to rotate at the same time.
5. The powder tablet press of claim 3, wherein the first feeding mechanism further comprises a first feeding rotating shaft, a third bevel gear set and a first feeding cam, wherein two ends of the first feeding rotating shaft are connected with the fixed shell, the third bevel gear set is sleeved and fixed on the first feeding rotating shaft, the third bevel gear set is fixedly connected with the first transmission assembly, the first feeding cam is sleeved and fixed on the first feeding rotating shaft, the first feeding groove is fixedly connected with the pressing table, the first feeding member is installed in the first feeding groove, one end of the first feeding member is in contact with or is connected with the first feeding cam, and the first feeding cam guides the first feeding member to reciprocate in the first feeding groove.
6. The powder tablet press of claim 3, wherein the second feeding mechanism comprises a second feeding rotating shaft, a fourth bevel gear set and a second feeding cam, wherein two ends of the second feeding rotating shaft are connected with the fixed shell, the fourth bevel gear set is sleeved and fixed on the second feeding rotating shaft, the fourth bevel gear set is fixedly connected with the second transmission assembly, the second feeding cam is sleeved and fixed on the second feeding rotating shaft, the second feeding groove is fixedly connected with the pressing table, the second feeding member is installed in the second feeding groove, one end of the second feeding member is in contact with or is connected with the second feeding cam, and the second feeding cam guides the second feeding member to reciprocate in the second feeding groove.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110913626.1A CN113601894B (en) | 2021-08-10 | 2021-08-10 | Powder tablet press |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110913626.1A CN113601894B (en) | 2021-08-10 | 2021-08-10 | Powder tablet press |
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| CN113601894B true CN113601894B (en) | 2023-06-20 |
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Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005246463A (en) * | 2004-03-08 | 2005-09-15 | Mitsubishi Materials Techno Corp | Mechanism for charging powder in powder forming apparatus |
| JP4506734B2 (en) * | 2006-03-31 | 2010-07-21 | Ｔｄｋ株式会社 | Molding equipment |
| CN101979245B (en) * | 2010-10-14 | 2014-06-04 | 西安交通大学 | Single punch tablet press |
| CN203766075U (en) * | 2014-04-11 | 2014-08-13 | 葛嘉炜 | Tablet press |
| CN204278587U (en) * | 2014-11-29 | 2015-04-22 | 山东希尔康泰药业有限公司 | Two discharging high speed tablet press |
| CN207120501U (en) * | 2017-08-30 | 2018-03-20 | 山东博奥克生物科技有限公司 | Collagen tablet tablet press machine |
| CN107804017A (en) * | 2017-11-29 | 2018-03-16 | 常州机电职业技术学院 | Tabletting forming machine |
| CN108127964B (en) * | 2017-12-27 | 2019-08-30 | 河海大学常州校区 | A kind of tabletting forming machine |
| CN110962388A (en) * | 2019-12-25 | 2020-04-07 | 天津市明星恒能科技发展有限公司 | Rotary tablet making machine |
| CN213383149U (en) * | 2020-06-18 | 2021-06-08 | 天津职业技术师范大学(中国职业培训指导教师进修中心) | Iron fillings briquetting device for machining |
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