CN113601894A - Powder tablet press - Google Patents
Powder tablet press Download PDFInfo
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- CN113601894A CN113601894A CN202110913626.1A CN202110913626A CN113601894A CN 113601894 A CN113601894 A CN 113601894A CN 202110913626 A CN202110913626 A CN 202110913626A CN 113601894 A CN113601894 A CN 113601894A
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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
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- Mechanical Engineering (AREA)
- Basic Packing Technique (AREA)
Abstract
A powder tablet press belongs to the technical field of material tabletting and 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 preparing tablets; the extrusion assembly comprises a first transmission shaft, a second transmission shaft, a pressing platform, a lower punching mechanism and an upper punching mechanism, wherein the pressing platform is provided with a plurality of extrusion through holes, powder is extruded and molded in the extrusion through holes, and the pressing platform is also provided with a discharge hole for enabling extruded pressing sheets to flow out of the discharge hole. The powder tablet press realizes once preparing many tablets, has improved the efficiency of preforming preparation, and simultaneously, the device preparation is simple, and economic cost is lower.
Description
Technical Field
The application belongs to the technical field of material preforming, concretely relates to powder tablet press.
Background
A powder tablet press is one of necessary devices for processing granular raw materials into tablets or granules in the industrial departments of pharmaceutical chemical industry, food, electronics and the like. The powder tablet press is suitable for pressing tablets, coal, 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 trademarks, characters and simple figures engraved on two sides. In the existing market, the tablet presses are various in specification and large in 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 completes tablet pressing work mainly by feeding, pressing, discharging and shifting, only one tablet can be pressed at a time, the efficiency is low, and the rotary tablet press can press multiple tablets at a time, but the manufacturing cost is 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 utility model provides a powder tablet press, includes fixed casing, extrusion subassembly, pay-off subassembly and driving piece, the extrusion subassembly sets up inside the drive casing for extrude the powder and make the preforming, the pay-off subassembly sets up inside the drive casing, and set up the extrusion subassembly left and right sides, the pay-off subassembly sets up in pairs, and it is a pair of the pay-off subassembly can move or carry on the back mutually in opposite directions, works as during the movement of pay-off subassembly in opposite directions, it is a pair of the pay-off subassembly is close to each other, can to add the material in the extrusion subassembly and release powder preforming in the extrusion subassembly, works as when stating the movement of pay-off subassembly carried on the back, it is a pair of the pay-off subassembly keeps away from each other, the extrusion subassembly can be pressed the powder into the tablet, the driving piece is fixed in the fixed casing, and drive extrusion subassembly and pay-off subassembly.
Preferably, 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, 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 upper punching mechanism is arranged on the second transmission shaft and is positioned above the material pressing table, and the lower punching mechanism is also arranged on the second transmission shaft and is positioned below the material pressing table; the extrusion device is characterized in that the pressing platform is provided with a plurality of extrusion through holes, powder is extruded in the extrusion through holes, and the pressing platform is also provided with a discharge hole for enabling extruded pressing sheets to flow out of the discharge hole.
Preferably, the lower punch mechanism comprises a first bevel gear set, a crank slide rod and a lower punch, the first bevel gear set is sleeved on the second transmission shaft, the crank slide rod is sleeved on the first bevel gear set, one end of the crank slide rod is fixedly connected with the fixed shell, the other end of the crank slide rod is connected with the lower punch, the lower punch is sleeved on the second transmission shaft, and the lower punch is provided with a plurality of lower extrusion protruding heads for extruding powder.
Preferably, the upper punch mechanism comprises a second bevel gear set, an extrusion cam, a connecting rod and an upper punch, 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 penetrates through the fixed shell to be in contact with the extrusion cam, the upper punch is sleeved on the second transmission shaft, and the upper punch is provided with a plurality of upper extrusion noses for extruding powder.
Preferably, the extrusion assembly further comprises a lubrication box and a worm gear, the second transmission shaft penetrates 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 is fixedly connected with the first transmission shaft.
Preferably, the feeding assembly comprises a first transmission assembly, a second transmission assembly, a first feeding mechanism and a second feeding mechanism, 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 arranged in the fixed shell and connected with the first transmission assembly and used for conveying powder to the material pressing table, the second feeding mechanism is arranged in the fixed shell and connected with the second transmission assembly and used for conveying powder to the material pressing table.
Preferably, the first transmission assembly comprises a first transmission wheel, a second transmission wheel and a first transmission belt, the first driving wheel is sleeved and fixed on the first driving shaft, the second driving wheel is connected with the first feeding mechanism, and is connected with the fixed shell, the first transmission belt is connected with the first transmission wheel and the second transmission wheel, and simultaneously drives the first driving wheel and the second driving wheel to rotate, the second driving component comprises a third driving wheel, a fourth driving wheel and a second driving belt, the third driving wheel is sleeved and fixed on the first driving shaft, the fourth driving wheel is connected with the second feeding mechanism, 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 simultaneously.
Preferably, the first feeding mechanism includes a first feeding rotating shaft, a third bevel gear set, a first feeding cam, a first feeding groove and a first feeding member, two ends of the first feeding rotating shaft are connected with the fixed housing, 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 connected with the discharging fixed table, the first feeding member is installed in the first feeding groove, one end of the first feeding member is in contact with or connected with the first feeding cam, and the first feeding cam guides the first feeding member to reciprocate in the first feeding groove.
Preferably, the second feeding mechanism includes a second feeding rotating shaft, a fourth bevel gear set, a second feeding cam, a second feeding groove and a second feeding member, two ends of the second feeding rotating shaft are connected with the fixed housing, 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 connected with the discharging fixed table, the second feeding member is installed in the second feeding groove, one end of the second feeding member is in contact with or connected with the second feeding cam, and the second feeding cam guides the second feeding member to move in the second feeding groove in a reciprocating manner.
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 in the driving shell, used for extruding powder and preparing tablets, the feeding components are arranged in the driving shell and are arranged at the left side and the right side of the extruding component, the feeding components are arranged in pairs, and the feeding components can move towards or away from each other, when the feeding components move oppositely, the feeding components approach each other, so that materials can be added into the extrusion component and powder tabletting in the extrusion component can be pushed out, when the feeding assemblies move oppositely, the feeding assemblies are far away from each other, the extrusion assembly can press the powder into tablets, the driving piece is fixed in the fixed shell and drives the extrusion assembly and the feeding assembly. The feeding assemblies are arranged in pairs, so that the feeding amount of the powder tablet press is increased, the feeding assemblies are paired with one another, when the feeding assemblies move in opposite directions and move to the nearest point where the feeding assemblies meet (namely, the feeding assemblies are in contact with the extrusion assembly at the same time), feeding is carried out in the extrusion assembly, materials can be accurately added into the extrusion assembly, the efficiency of tablet preparation is increased, and meanwhile, the device is simple to prepare and low in economic cost.
Drawings
Fig. 1 is a cross-sectional view of a powder tablet press.
Figure 2 is an isometric view of a powder tablet press.
Figure 3 is a front view of a powder tableting machine.
Fig. 4 is a top view of a powder tablet press.
Fig. 5 is a left side view of the powder tablet press.
Fig. 6 is an axial view of the internal structure of the powder tablet press.
Fig. 7 is a partially enlarged view of the powder tableting machine.
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 tabletting machine.
In the figure, a fixed shell 100, a pressing assembly 200, a first transmission shaft 210, a second transmission shaft 220, a material pressing table 230, a pressing through hole 231, a material outlet 232, a lower punch 240, a first bevel gear set 241, a first driving bevel gear 2411, a first driven bevel gear 2412, a crank slide rod 242, a first crank slide rod 2421, a second crank slide rod 2422, a lower punch 243, a lower pressing nose 2431, an upper punch 250, a second bevel gear set 251, a second driving bevel gear 2511, a second driven bevel gear 2512, a pressing cam 252, a connecting rod 253, an upper punch 254, an upper pressing nose 2541, a worm gear 260, a lubrication box 270, a feeding 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 feeding mechanism 330, a first feeding rotating shaft 331, a second transmission wheel 312, a second transmission wheel, The feeding device comprises a third bevel gear set 332, a third driving bevel gear 3321, a third driven bevel gear 3322, a first feeding cam 333, a first feeding groove 334, a first feeding member 335, a first feeding port 3351, a second feeding mechanism 340, a second feeding rotating shaft 341, a fourth bevel gear set 342, a fourth driving bevel gear 3421, a fourth driven bevel gear 3422, a second feeding cam 343, a second feeding groove 344, a second feeding member 345, a second feeding port 3451, a driving member 400 and a feeding box 500.
Detailed Description
The technical solution and the technical effects of the present application will be further elaborated below with reference to the drawings of the present application.
Referring to fig. 1, a powder tablet press comprises a fixed housing 100, an extrusion assembly 200, feeding assemblies 300 and a driving member 400, wherein the extrusion assembly 200 is arranged inside the driving housing and used for extruding powder and making tablets, the feeding assemblies 300 are arranged inside the driving housing and arranged on the left and right sides of the extrusion assembly 200, the feeding assemblies 300 are arranged in pairs, and the feeding assemblies 300 can move towards or away from each other, when the feeding assemblies 300 move towards each other, the feeding assemblies 300 approach each other and can add materials into the extrusion assembly 200 and push out powder tablets in the extrusion assembly 200, when the feeding assemblies 200 move away from each other, the extrusion assembly can press powder into tablets, and the driving member 400 is fixed inside the fixed housing 100, and drives the extrusion assembly 200 and the feeding assembly 300; the feeding assemblies 300 are arranged in pairs, so that the feeding amount of the powder tablet press is increased, and the feeding assemblies 300 are paired with each other, so that when a pair of the feeding assemblies 300 move in opposite directions and move to the nearest point where a pair of the feeding assemblies 300 meet (namely, the pair of the feeding assemblies 300 are simultaneously contacted with the extrusion assembly 200), the materials are fed into the extrusion assembly 200, the materials can be accurately added into the extrusion assembly 200, the efficiency of tablet preparation 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 material pressing table 230, a lower punching mechanism 240 and an upper punching mechanism 250, the first transmission shaft 210 is connected to the driving member 400, the driving member 400 drives the first transmission shaft 210 to rotate, two ends of the second transmission shaft 220 are connected to the fixed housing 100, the second transmission shaft 220 is connected to the first transmission shaft 210, the first transmission shaft 210 drives the second transmission shaft 220 to rotate, the material pressing table 230 is sleeved and fixed on the second transmission shaft 220, the upper punching mechanism 250 is disposed on the second transmission shaft 220 and located above the material pressing table 230, and the lower punching mechanism 240 is also disposed on the second transmission shaft 220 and located below the material pressing table 230; the pressing table 230 is provided with a plurality of extrusion through holes 231, powder is extruded in the extrusion through holes 231, and the pressing table 230 is also provided with a discharge hole 232 for enabling extruded tablets to flow out from the discharge hole 232. The driving part 400 drives the first transmission shaft 210 to rotate, the rotation of the first transmission shaft 210 drives the second transmission shaft 220 to rotate, the rotation of the second transmission shaft 220 drives the feeding mechanism and the discharging mechanism to press materials on the pressing table 230, a plurality of extrusion through holes 231 are formed in the pressing table 230, and therefore the powder tablet press can prepare a plurality of tablets at one time, and the efficiency of tablet preparation is improved.
The working process of the powder tablet press is as follows:
the charging process comprises the following steps: when the driving member 400 rotates, and the first feeding mechanism 330 and the second feeding mechanism 340 transport powder to the pressing platform 230, the upper punch mechanism 250 moves from the upper top surface to the lower bottom surface of the pressing platform 230, the lower punch mechanism 240 moves upward along the vertical direction, and the first feeding mechanism 330 and the second feeding mechanism 340 move to the pressing platform 230 to add powder into the extrusion through hole 231 of the pressing platform 230.
And (3) extrusion process: the first feeding mechanism 330 and the second feeding mechanism 340 rotate, and are far away from the pressing table 230, the upper punch mechanism 250 moves to the lowest point, the lower punch mechanism 240 moves downwards along the vertical direction and moves to the pressing table 230, and powder is extruded to form a tablet.
And (3) discharging: the lower punch mechanism 240 moves upward along the vertical direction, the upper punch mechanism 250 moves upward along the vertical direction simultaneously 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 towards the pressing table 230, when the upper punch mechanism 250 moves to the highest point, the pressed sheet is pushed to the discharge hole 232 by the first feeding mechanism 330 and the second feeding mechanism 340, the pressed sheet is pushed by the upper punch mechanism 250 and moves downward along the vertical direction after pushing out the pressed sheet, the extrusion through hole 231 for pressing is emptied, and the powder is conveyed into the extrusion through hole 231 by the first feeding mechanism 330 and the second feeding mechanism 340.
Preferably, the lower punch mechanism 240 includes a first bevel gear set 241, a crank slide bar 242 and a lower punch 243, the first bevel gear set 241 is sleeved on the second transmission shaft 220, the crank slide bar 242 is sleeved on the first bevel gear set 241, one end of the crank slide bar 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 the lower punch 243 is provided with a plurality of lower extrusion bosses 2431 for extruding the powder.
Further, the first bevel gear set 241 includes a first driving bevel gear 2411 and a first driven bevel gear 2412, the first driving bevel gear 2411 is installed on the second transmission shaft 220, the first driven bevel gear 2412 is engaged with the second driving bevel gear 2511, the crank slide 242 includes a first crank slide 2421 and a second crank slide 2422, the first crank slide 2421 is in an "L" shape, the first crank slide 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 2421 is provided with a rolling bearing and is installed on the fixed casing 100, the rolling bearing and the first crank slide 2421 are used for fixing the first crank slide 2421, the rolling bearing can enable the first crank slide 2421 to rotate, when the first driven bevel gear 2412 rotates, the first crank slide 2421 simultaneously rotates, and the first driven bevel gear 2412 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, the second crank slide bar 2422 drives the first crank slide bar 2421 to rotate, and the second crank slide bar 2422 is connected with the lower punch 243.
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.
Preferably, the up-punch mechanism 250 includes a second bevel gear set 251, an extrusion cam 252, a link 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 is connected with the fixed housing 100, the extrusion cam 252 can rotate coaxially with the second bevel gear set 251, one end of the link 253 is fixedly connected with the upper punch 254, the other end passes through the fixed housing 100 to contact with the extrusion cam 252, the fixed housing 100 has a function of fixing the link 253, the link 253 can stably move up and down in 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 noses 2541 are arranged on the upper punch 254, for extruding the powder.
Further, the second bevel gear set 251 includes a second driving bevel gear 2511 and a second driven bevel gear 2512, the second driving bevel gear 2511 is mounted on the second transmission shaft 220, the second driven bevel gear 2512 is engaged with the second driving bevel gear 2511, the second driven bevel gear 2512 is fixedly connected with the extrusion cam 252, and coaxially rotates, a cam link 253 is arranged on the extrusion cam 252, one end of the cam link 253 is fixedly connected with the extrusion cam 252, the other end is provided with a rolling bearing, and is installed on the fixed housing 100, the extrusion cam 252 is connected with the fixed housing 100 through the cam link 253, because the cam link 253 is installed with a rolling bearing, the extrusion cam 252 rotates to drive the rolling bearing to rotate, the pressing cam 252 may be fixed so that the pressing cam 252 may rotate 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 punching mechanism 250 works: the second transmission shaft 220 drives the second driving bevel gear 2511 to rotate, the second driving bevel gear 2511 drives the second driven bevel gear 2512 to rotate, the extrusion cam 252 and the second driven bevel gear 2512 rotate coaxially, 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 transmission shaft 220, so that the processes of extruding and ejecting powder are completed. Specifically, the lowest point of the movement of the extrusion nose of the upper punch 254 is the lower bottom surface of the pressing platform 230, the highest point of the movement of the extrusion nose of the upper punch 254 is the upper top surface of the pressing platform 230, and the number of the upper extrusion noses 2541 is the same as the number of the extrusion through holes 231 of the pressing platform 230.
Preferably, the pressing assembly 200 further includes a lubrication box 270 and a worm gear 260, the second transmission shaft 220 penetrates through the lubrication box 270 and is connected with 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 with the first transmission shaft 210.
Further, a rolling bearing is arranged in the lubricating box 270, the rolling bearing is connected with the top of the worm, and the rolling bearing can enable the worm to stably rotate and is used for enabling the worm gear 260 to be meshed for a long time and keeping the worm gear 260 to stably rotate; the lubricating box 270 is internally provided with an oil inlet and an oil outlet, the oil inlet is used for injecting lubricating oil into the lubricating 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 lubricating box 270 to keep lubrication, the friction between the worm gear 260 and the friction between the rolling bearings can be reduced, and the 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, 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, 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 to the pressing table 230, so that the efficiency of the powder tablet press for preparing tablets is improved.
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 casing 100, the first transmission belt 313 is connected with the first transmission wheel 311 and the second transmission wheel 312 and simultaneously drives the first transmission wheel 311 and the second transmission wheel 312 to rotate, 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 casing 100, the second transmission belt 323 is connected with the third transmission wheel 321 and the fourth transmission wheel 322, and simultaneously drives the third driving wheel 321 and the fourth driving wheel 322 to rotate. In the rotating process of the first driving wheel 311, the second driving wheel 312 and the first driving belt 313, the belts can be stretched and have strong toughness, when the belts are damaged, the belts can be replaced selectively, and the sound caused by the driving components is low.
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 element 400 is higher in the rotation process, so that 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, the friction between the third bevel gear set 332 is reduced, 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, where 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 driven by a sprocket and a chain.
Preferably, the first feeding mechanism 330 includes a first feeding rotating shaft 331, a third bevel gear set 332, a first feeding cam 333, a first feeding slot 334 and a first feeding member 335, both ends of the first feeding rotating shaft 331 are connected with the fixed casing 100, the third bevel gear set 332 is sleeved and fixed on the first feeding rotating shaft 331, the third bevel gear set 332 is fixedly connected to the first transmission assembly 310, the first feeding cam 333 is sleeved and fixed on the first feeding rotating shaft 331, the first feeding groove 334 is fixedly connected with the discharging part, the first feeding piece 335 is arranged in the first feeding groove 334, one end of the first feeding member 335 is in contact with or connected to the first feeding cam 333, the first feeding cam 333 guides the first feeding member 335 to reciprocate in the first feeding chute 334.
Further, rolling bearings are fixedly arranged at two end portions of the first feeding rotating shaft 331, the rolling bearings are embedded in the fixed shell 100, and the first feeding rotating shaft 331 can rotate along the rolling bearings; the third bevel gear set 332 comprises 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, and 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 to pull back the first feeding member 335.
Further, example 2: the end of the first feeding member 335 contacting the first feeding cam 333 is provided with a convex groove, the outer edge of the first feeding cam 333 is provided with a concave groove, and the convex groove can slide in the concave groove, so that the first feeding cam 333 can guide the first feeding member 335 to reciprocate in the first feeding groove 334.
Furthermore, the first feeding member 335 is provided with a first feeding port 3351 for conveying powder into the extrusion through hole 231 of the material pressing table 230, and when the first feeding member 335 conveys powder into the extrusion through hole 231 of the material discharging table, the first feeding port 3351 can be aligned with the extrusion through hole 231, so as to facilitate conveying the material into the extrusion through hole 231.
Furthermore, a first feeding box 500 is installed on the fixed casing, a feeding hole is formed in the first feeding box 500 and used for adding materials into the first feeding hole 3351, when the feeding box is full of powder added into the first feeding hole 3351, the first feeding member 335 moves in opposite directions and starts to slide in the first feeding groove 334, a baffle at the rear end of the first feeding member 335 can block the feeding hole of the feeding box to prevent the powder in the feeding box from scattering in the fixed casing, and when the first feeding member 335 moves in opposite directions, the maximum distance of the opposite movement of the first feeding member 335 is that the first feeding hole 3351 is located right below the feeding hole of the first feeding box 500.
The working process of the first feeding mechanism 330 is 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 driving bevel gear 3321 to rotate, the third driving 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, the third driven bevel gear 3322 and the first feeding cam 333 are sleeved on the first feeding rotating shaft 331 to simultaneously drive the first feeding cam 333 to rotate, the first feeding cam 333 rotates to drive the first feeding member 335 to move in the first feeding groove 334, and the first feeding member 335 is used for conveying powder to the pressing through hole of the pressing table 230.
Preferably, the second feeding mechanism 340 comprises a second feeding rotating shaft 341, a fourth bevel gear set 342, a second feeding cam 343, a second feeding groove 344 and a second feeding member 345, both ends of the second feeding rotating shaft 341 are connected to the fixed casing 100, the fourth bevel gear set 342 is sleeved and fixed on the second feeding rotating 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 rotating shaft 341, the second feeding groove 344 is fixedly connected with the discharging part, the second feeding member 345 is arranged in the second feeding groove 344, one end of the second feeding member 345 and the second feeding cam 343 contact or are connected to each other, the second feeding cam 343 guides the second feeder member 345 to be reciprocally movable within the second feeding chute 344.
Further, rolling bearings are fixedly arranged at two end portions of the second feeding rotating shaft 341, the rolling bearings 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 to 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 engaged 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, and 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 convex groove, the outer edge of the second feeding cam 343 is provided with a concave groove, and the convex groove can slide in the concave groove, so that the second feeding cam 343 can guide the second feeding member 345 to reciprocate in the second feeding groove 344.
Furthermore, the second feeding member 345 is provided with a second feeding port 3451 for conveying powder into the extrusion through hole 231 of the material pressing table 230, and when the second feeding member 345 conveys powder into the extrusion through hole 231 of the material discharging table, the second feeding port 3451 can be aligned with the extrusion through hole 231, so as to facilitate conveying the material to the extrusion through hole 231.
Furthermore, a second feeding box 500 is installed on the fixed casing, a feeding hole is formed in the second feeding box 500, and is used for adding materials into the second feeding hole 3451, when the feeding box is full of powder materials into the second feeding hole 3451, the second feeding member 345 moves in opposite directions and starts to slide in the second feeding groove 344, a baffle plate at the rear end of the second feeding member 345 blocks the feeding hole of the feeding box to prevent the powder materials in the feeding box from scattering in the fixed casing, and when the second feeding member 345 moves in opposite directions, the maximum distance that the second feeding member 345 moves in opposite directions is that the second feeding hole 3451 is located right below the feeding hole of the second feeding box 500.
The working process of the second feeding mechanism 340 is as follows: 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 to the second transmission belt 323 to rotate, the fourth transmission wheel 322 drives the fourth driving bevel gear 3421 to rotate, the fourth driving 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, because the fourth driven bevel gear 3422 and the second feeding cam 343 are both sleeved on the second feeding rotating shaft 341, the second feeding cam 343 is driven to rotate at the same time, the second feeding cam 343 rotates to drive 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.
While the invention has been described with reference to specific embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. A powder tablet press is characterized by comprising a fixed shell, an extrusion assembly, a feeding assembly and a driving member, wherein the extrusion assembly is arranged in the fixed shell, used for extruding powder and preparing tablets, the feeding components are arranged in the fixed shell and are arranged at the left side and the right side of the extruding component, the feeding components are arranged in pairs, and the feeding components can move towards or away from each other, when the feeding components move oppositely, the feeding components approach each other, so that materials can be added into the extrusion component and powder tabletting in the extrusion component can be pushed out, when the feeding assemblies move oppositely, the feeding assemblies are far away from each other, the extrusion assembly can press the powder into tablets, the driving piece is fixed in the fixed shell and drives the extrusion assembly and the feeding assembly.
2. The powder tableting machine as claimed in claim 1, wherein the extrusion assembly comprises a first transmission shaft connected to the driving member, a second transmission shaft driving the first transmission shaft to rotate, a material pressing table connected at both ends to the stationary housing, a lower punch mechanism connected to the first transmission shaft and driving the second transmission shaft to rotate, a material pressing table sleeved and fixed on the second transmission shaft, and an upper punch mechanism disposed on the second transmission shaft and above the material pressing table, the lower punch mechanism also disposed on the second transmission shaft and below the material pressing table; the extrusion device is characterized in that the pressing platform is provided with a plurality of extrusion through holes, powder is extruded in the extrusion through holes, and the pressing platform is also provided with a discharge hole for enabling extruded pressing sheets to flow out of the discharge hole.
3. The powder tablet press of claim 1, wherein the lower punch mechanism comprises a first bevel gear set, a crank slide rod and a lower punch, the first bevel gear set is sleeved on the second transmission shaft, the crank slide rod is sleeved on the first bevel gear set, one end of the crank slide rod is fixedly connected with the fixed shell, the other end of the crank slide rod is connected with the lower punch, the lower punch is sleeved on the second transmission shaft, and the lower punch is provided with a lower extrusion nose for extruding powder.
4. The powder tablet press of claim 1, wherein the upper punch mechanism comprises a second bevel gear set, an extrusion cam, a connecting rod and an upper punch, 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 penetrates through the fixed shell to be in contact with the extrusion cam, the upper punch is sleeved on the second transmission shaft, and the upper punch is provided with the upper extrusion nose for extruding powder.
5. The powder tablet press of claim 1, wherein the compression assembly further comprises a lubrication box and a worm gear, the second transmission shaft penetrates 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 is fixedly connected with the first transmission shaft.
6. The powder tableting machine of claim 1, wherein the feeding assembly comprises a first transmission assembly, a second transmission assembly, a first feeding mechanism and a second feeding mechanism, 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 disposed in the stationary housing and connected with the first transmission assembly for conveying the powder to the material pressing table, the second feeding mechanism is disposed in the stationary housing and connected with the second transmission assembly for conveying the powder to the material pressing table.
7. The powder tablet press of claim 1, wherein the first transmission assembly comprises a first transmission wheel, a second transmission wheel and a first transmission belt, the first driving wheel is sleeved and fixed on the first driving shaft, the second driving wheel is connected with the first feeding mechanism, and is connected with the fixed shell, the first transmission belt is connected with the first transmission wheel and the second transmission wheel, and simultaneously drives the first driving wheel and the second driving wheel to rotate, the second driving component comprises a third driving wheel, a fourth driving wheel and a second driving belt, the third driving wheel is sleeved and fixed on the first driving shaft, the fourth driving wheel is connected with the second feeding mechanism, 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 simultaneously.
8. The powder tablet press of claim 1, wherein the first feeding mechanism comprises a first feeding rotating shaft, a third bevel gear set, a first feeding cam, a first feeding groove and a first feeding member, 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 component, the first feeding cam is sleeved and fixed on the first feeding rotating shaft, the first feeding groove is fixedly connected with the discharging table, the first feeding member is installed in the first feeding groove, one end of the first feeding member is in contact with or connected with the first feeding cam, and the first feeding cam guides the first feeding member to reciprocate in the first feeding groove.
9. The powder tablet press of claim 1, wherein the second feed mechanism comprises a second feed shaft, a fourth bevel gear set, a second feed cam, a second feed chute, and a second feed member, the 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 component, the second feeding cam is sleeved and fixed on the second feeding rotating shaft, the second feeding groove is fixedly connected with the discharging table, the second feeding piece is arranged in the second feeding groove, one end of the second feeding member is in contact with or 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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| CN202110913626.1A CN113601894B (en) | 2021-08-10 | 2021-08-10 | Powder tablet press |
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| CN202110913626.1A CN113601894B (en) | 2021-08-10 | 2021-08-10 | Powder tablet press |
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| CN113601894B (en) | 2023-06-20 |
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