CN109760360B - Multistation tablet press - Google Patents
Multistation tablet press Download PDFInfo
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- CN109760360B CN109760360B CN201910184558.2A CN201910184558A CN109760360B CN 109760360 B CN109760360 B CN 109760360B CN 201910184558 A CN201910184558 A CN 201910184558A CN 109760360 B CN109760360 B CN 109760360B
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Abstract
The invention discloses a multi-station tablet press, and belongs to the technical field of tablet presses. The invention comprises a tabletting device arranged in an outer cover, the tabletting device comprises an upper template and a lower template, wherein a circle of through holes are correspondingly formed on the upper template and the lower template, an ejector rod and a compression rod are matched in each relative through hole in a sliding manner, a circle of feeding holes are formed on the peripheral surface of the upper template, and one feeding hole is communicated with a second through hole, wherein a vibrating feeding pipe is arranged in the feeding hole to ensure that the fed materials can enter the corresponding through holes on the upper template and the lower template every time when being fed, and then the ejector rod or the compression rod is driven by a cam to act, so that the feeding, compacting, discharging and pre-feeding work simultaneously, the tabletting efficiency of the tabletting machine is improved, and the feeding, compacting, discharging and pre-feeding of the tabletting machine are carried out in a closed environment in the tabletting machine, thereby reducing dust pollution and improving the working environment.
Description
Technical Field
The invention belongs to the technical field of tablet presses, and particularly relates to a multi-station tablet press.
Background
At present, in recent years, the mechanical industry of China develops rapidly, and great achievements are obtained. With the continuous progress of scientific technology and the continuous improvement of the living standard of people, the requirements on the quality and the variety of products are higher and higher, the updating period of the products is shorter and shorter, a multi-punch rotary tablet press is characterized in that a plurality of pairs of punch dies are arranged on a working turntable in a circular shape, and the tail parts of the upper punch die and the lower punch die are controlled by a fixed opening and lowering guide rail. When the upper punch and the lower punch rotate synchronously along with the working turntable, the upper punch and the lower punch are controlled by the guide rail to do axial lifting movement, thereby completing the tabletting process. The technological process of the tablet press is continuous, continuous feeding and continuous tablet discharging, and the tablet press mode is limited by the control of the up-down stroke and the limitation of the rotation of the turntable.
Disclosure of Invention
The invention aims to provide a multi-station tablet press, which drives an ejector rod or a compression rod to act through a cam, and can work simultaneously in the processes of feeding, compacting, discharging and pre-feeding, so that the tablet pressing efficiency of the tablet press is improved.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a multi-station tablet press, which comprises a tablet press arranged in an outer cover, wherein the tablet press comprises a pressing assembly consisting of an upper template and a lower template, a circle of through holes are correspondingly formed on the upper template and the lower template, a mandril and a compression bar are respectively matched in each relative through hole in a sliding manner, a circle of feeding holes are formed on the peripheral surface of the upper template, one feeding hole is communicated with a second through hole, a circle of notches which are in one-to-one correspondence with and communicated with a plurality of first through holes are formed at the edge of the top surface of the lower template, a circle of guide channel which is in one-to-one correspondence with and communicated with each first through hole is also formed on each first through hole on the top surface, a semicircular ring is matched at the edge of the port of each first through hole, the back surface of the semicircular ring is connected with a push rod arranged on a discharge rod group, the discharge rod group also comprises a circular rod with a conical end, and the conical surface of, the lower die plate is characterized in that a power assembly is further installed below the lower die plate and comprises a driving wheel set and a double-output wheel rod consisting of a first cam, a second cam and a connecting rod, wherein the first cam is abutted to the end face of the round rod, the second cam is abutted to an ejection frame, a gear is further installed on the connecting rod and is connected with the driving wheel set, the top face of the ejection frame is abutted to a plurality of ejector rods, a plurality of pressure rods are connected with a circular plate welded to the end portion of an output shaft of a hydraulic driving device, and the upper die plate and the lower die plate are both fixed in an installation cover.
Furthermore, the feed port is an inclined hole, the inclined hole is communicated with a vibration feed pipe, and a vibrator is arranged on the surface of the vibration feed pipe.
Furthermore, the top frame is an integral part formed by an upper retaining ring, a lower retaining ring and a support rod, wherein the outer diameter of the lower retaining ring is smaller than that of the upper retaining ring, a groove is formed in the bottom surface of the lower retaining ring, and the second cam is matched in the groove.
Furthermore, the bottom surface of cope match-plate pattern is equipped with a round notch, all installs an elastic element in each notch, and this elastic element's stabilizer blade offsets with the both ends of semicircle ring.
Furthermore, a plurality of inclined grooves are formed in the conical surface of the conical end, and one inclined surface end of the push rod is in sliding fit with the inclined grooves.
Furthermore, a first bulge is arranged on the first cam, at least a second bulge and a third bulge are arranged on the second cam, and a recess is further arranged on the second cam.
The invention has the following beneficial effects:
the cam-driven type tablet press is simple and practical, the cam drives the ejector rod or the pressure rod to act, the feeding, compacting, discharging and pre-feeding work simultaneously, the tablet pressing efficiency of the tablet press is improved, the feeding, compacting, discharging and pre-feeding of the tablet press are all carried out in a closed environment in the tablet press, the dust pollution is reduced, and the working environment is improved.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a tablet press;
FIG. 2 is a schematic view of a sheeting apparatus;
FIG. 3 is a schematic structural view of the top frame;
FIG. 4 is a schematic diagram of a dual output wheel bar configuration;
FIG. 5 is a schematic structural view of a first cam;
FIG. 6 is a schematic structural view of a second cam;
FIG. 7 is a structural view of the lower platen;
FIG. 8 is a top view of FIG. 7;
FIG. 9 is a block diagram of an upper plate;
FIG. 10 is a schematic view of the compaction of the feed material;
FIG. 11 is a schematic view of the feed material before it is pressurized;
FIG. 12 is a schematic view of a compaction material spout;
FIG. 13 is a state diagram of the ejector rod and the pressure rod during powder feeding;
figure 14 is a schematic view of three output wheel levers.
In the drawings, the components represented by the respective reference numerals are listed below:
1-housing, 2-sheeting device, 3-mounting cover, 4-pressing component, 5-top frame, 6-power component, 7-lower template, 8-upper template, 9-discharging rod group, 10-top rod, 11-pressure rod, 501-upper baffle ring, 502-support rod, 503-lower baffle ring, 601-driving wheel group, 602-double-discharging wheel rod, 603-connecting rod, 604-first cam, 605-second cam, 606-gear, 607-first bulge, 608-second bulge, 609-third bulge, 6010-recess, 701-first through hole, 702-notch, guide channel, 704-semi-circle ring, 801-vibration feeding pipe, 802-feeding hole, 803-elastic element, 804-second through hole, 901-pushrod, 902-tapered end.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-9, the present invention is a multi-station tablet press comprising a tablet press 2 mounted inside a housing 1,
the tabletting device 2 comprises a material pressing component 4 consisting of an upper template 8 and a lower template 7, wherein a circle of through holes are correspondingly formed in the upper template 8 and the lower template 7, an ejector rod 10 and a compression rod 11 are matched in each relative through hole in a sliding manner, a discharge hole used for material distribution and lamination is formed when the upper template 8 and the lower template 7 are matched, the discharge hole is uniformly distributed on the surface of the upper template 8 or the lower template 7, a circle of feed holes 802 are formed in the peripheral surface of the upper template 8, one feed hole 802 is communicated with a second through hole 804, the feed holes 802 are designed in an inclined manner, the preferred inclined angle of the central axis of the feed hole 802 is 75-85 degrees to the top surface of the upper template 8, the inclined hole is communicated with a vibration feed pipe 801, a vibrator is arranged on the surface of the vibration feed pipe 801, and the vibration feed pipe is connected with a material distribution hopper.
The edge of the top surface of the lower template 7 is provided with a circle of notches 702 which are in one-to-one correspondence with the first through holes 701 and are communicated, a circle of guide channels 703 which are in one-to-one correspondence with the first through holes 701 and are communicated are further formed in each corresponding first through hole 701 on the top surface, a semicircular ring 704 is matched at the edge of a port of each first through hole 701, the back surface of the semicircular ring 704 is connected with a push rod 901 arranged on a discharge rod group 9, the discharge rod group 9 further comprises a round rod provided with a conical end 902, the conical surface of the conical end 902 is abutted to the push rod 901, wherein a plurality of chutes are formed in the conical surface of the conical end 902, and one inclined surface end of the push rod 901 is in sliding fit in the.
The bottom surface of the upper mold plate 8 is provided with a circle of notches 702, each notch 702 is internally provided with an elastic element 803, the support legs of the elastic elements 803 abut against the two ends of the semicircular ring 704, and after the push rod 901 pushes out the pressed divided material, the push rod 901 is reset according to the elastic elements 803, and the elastic elements are spring sets.
A power assembly 6 is further installed below the lower template 7, the power assembly 6 comprises a driving wheel set 601 and a dual-output wheel rod 602 which is composed of a first cam 604, a second cam 605 and a connecting rod 603, wherein the driving wheel set 601 comprises a driving wheel and three driving wheels, and the last eccentric wheel is installed in the last larger driving wheel; the first cam 604 is provided with a first protrusion, the second cam 605 is at least provided with a second protrusion and a third protrusion, the second cam 605 is further provided with a recess, the first cam 604 abuts against the end surface of the round rod, the second cam 605 abuts against a top frame 5, the connecting rod 603 is further provided with a gear 606, the gear 606 is connected with the driving wheel set 601, the top surface of the top frame 5 abuts against a plurality of ejector rods 10, a plurality of pressure rods 11 are connected with the round plate welded at the end part of an output shaft of a hydraulic driving device, and the upper template 8 and the lower template 7 are both fixed in the mounting cover 3. Wherein the round bar and the top frame 5 both reciprocate in a guide frame.
The top frame 5 is an integral member formed by an upper retaining ring 501, a lower retaining ring 503 and a support rod 502, wherein the outer diameter of the lower retaining ring 503 is smaller than the outer diameter of the upper retaining ring 501, a groove is formed in the bottom surface of the lower retaining ring 503, and the second cam 605 is fitted in the groove.
The surface of the lower template 7 is provided with 20 hole sites, namely, the opiate device does not press 20 pieces, when a piston rod in a hydraulic device for driving the compression rod 11 is in a maximum contraction state, the end part of the compression rod 11 is positioned above the port of the feed hole 802, the top end of the ejector rod 10 extends into the upper template 8 and is 3mm higher than the top surface of the notch 702, the inclined end surface of the push rod 901 is completely attached to the inclined groove, the inner surface of the semicircular ring 704 is attached to the surface of the ejector rod 10, powder can be put into the tabletting device 2 by vibrating the feed pipe 801 at the moment, namely, the non-first bulge 607 surface of the first cam 604 of the push connecting rod 603 is abutted against the tail end of the round rod, the third bulge 609 of the second cam 608 is abutted against the top frame 5, and the ejector rod 10 and the compression rod 11 are in;
the power assembly 6 is driven by the motor to act, the double discharging wheel rod 602 is forced to work, the round rod still slides on the circular arc surface on the first cam 604, the third protrusion 609 of the second cam 605 is separated from the top frame 5 and then the second protrusion 608 is contacted with the top frame 5, the peak of the second protrusion 608 is higher than the peak of the third protrusion 609, so that the top rod 10 moves upwards, meanwhile, the press rod 11 starts to press downwards under the driving of the hydraulic cylinder, when the piston rod is completely extended, and the peak of the second protrusion 608 is contacted with the top frame 5, so that loose separated materials are compacted, and the top rod 10 and the press rod 11 are in the state shown in fig. 10 or 11;
after the material is divided and compacted, the piston rod begins to retract, the compression bar 11 retreats, the second cam 605 continues to rotate until the top frame 5 is separated from the second protrusion 608, when the bottom surface of the top frame 5 is contacted with two ends of the recess 6010, the tail end of the round rod is contacted with the first protrusion 607 of the first cam 604, so that the push rod 901 pushes the compacted material out of the through hole formed by the first through hole 701 and the second through hole 804, then the push rod 901 is reset under the resilience force of the spring set, when the compacted material is pushed out, the push rod 10 and the compression bar 11 are in the state of fig. 12, and then the operation is carried out again to the state of fig. 13 to repeatedly compact the loose material into pieces.
Specifically, in order to enable the top frame 5 to operate smoothly, a pair of sliders may be disposed on the lower stop ring 503 of the top frame 5 and engaged with the grooves formed on the peripheral surface of the second cam 605, and the wheel rods are three output wheel rods, wherein the second cam 605 is disposed at both ends, as shown in fig. 14.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (1)
1. The utility model provides a multistation tablet press, is including installing a preforming ware (2) inside dustcoat (1), its characterized in that: the tabletting device (2) comprises a pressing component (4) consisting of an upper template (8) and a lower template (7), wherein the upper template (8) and the lower template (7) are respectively provided with a circle of through holes correspondingly, each relative through hole is internally provided with an ejector rod (10) and a pressing rod (11) in a sliding fit manner, the peripheral surface of the upper template (8) is provided with a circle of feeding holes (802), one feeding hole (802) is communicated with a second through hole (804), the edge of the top surface of the lower template (7) is provided with a circle of notches (702) which are in one-to-one correspondence with and are communicated with a plurality of first through holes (701), the top surface is also provided with a circle of guide channel (703) which is in one-to-one correspondence with and are communicated with each first through hole (701), the edge of the port of each first through hole (701) is matched with a semicircular ring (704), the back surface of the semicircular ring (704) is connected with a push rod (901) arranged on a discharge rod group (9), the discharging rod group (9) also comprises a round rod provided with a conical end (902), the conical surface of the conical end (902) is propped against the push rod (901), a power assembly (6) is also arranged below the lower template (7), the power assembly (6) comprises a driving wheel set (601) and a double-output wheel rod (602) consisting of a first cam (604), a second cam (605) and a connecting rod (603), wherein the first cam (604) is propped against the end surface of the round rod, the second cam (605) is propped against a top frame (5), a gear (606) is also arranged on the connecting rod (603), the gear (606) is connected with the driving wheel set (601), the top surface of the top frame (5) is propped against a plurality of ejector rods (10), a plurality of pressure rods (11) are connected with a circular plate welded at the end part of an output shaft of a hydraulic driving device, the upper template (8) and the lower template (7) are both fixed in the mounting cover (3);
the feeding hole (802) is an inclined hole, the inclined hole is communicated with a vibration feeding pipe (801), and a vibrator is arranged on the surface of the vibration feeding pipe (801);
the top frame (5) is an integral piece formed by an upper retaining ring (501), a lower retaining ring (503) and a support rod (502), wherein the outer diameter of the lower retaining ring (503) is smaller than that of the upper retaining ring (501), a groove is formed in the bottom surface of the lower retaining ring (503), and the second cam (605) is matched in the groove;
a circle of notches (702) are formed in the bottom surface of the upper template (8), an elastic element (803) is installed in each notch (702), and supporting legs of the elastic elements (803) are abutted to two ends of the semicircular ring (704);
a plurality of chutes are arranged on the conical surface of the conical end (902), and one inclined surface end of the push rod (901) is in sliding fit in each chute;
the first cam (604) is provided with a first protrusion (607), the second cam (605) is provided with at least a second protrusion (608) and a third protrusion (609), and the second cam (605) is also provided with a recess (6010).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910184558.2A CN109760360B (en) | 2019-03-12 | 2019-03-12 | Multistation tablet press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910184558.2A CN109760360B (en) | 2019-03-12 | 2019-03-12 | Multistation tablet press |
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| Publication Number | Publication Date |
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| CN109760360A CN109760360A (en) | 2019-05-17 |
| CN109760360B true CN109760360B (en) | 2020-11-10 |
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| CN201910184558.2A Active CN109760360B (en) | 2019-03-12 | 2019-03-12 | Multistation tablet press |
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Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201980751U (en) * | 2010-12-24 | 2011-09-21 | 柏玉新 | Channel-dividing blank-pushing automatic-arranging equipment for rotary-type powder-molding press |
| CN203766075U (en) * | 2014-04-11 | 2014-08-13 | 葛嘉炜 | Tablet press |
| CN204451267U (en) * | 2015-01-29 | 2015-07-08 | 四川赛卓药业股份有限公司 | A kind of dispersing tablet preforming device of accurate blanking quickly discharging |
| CN204977538U (en) * | 2015-08-25 | 2016-01-20 | 芜湖市诺康生物科技有限公司 | Film clamp for tablet |
| CN106863883A (en) * | 2015-12-11 | 2017-06-20 | 天津振邦水产养殖有限公司 | The medicine tablet press machine of automatic discharging |
| CN105568278B (en) * | 2016-03-01 | 2017-12-01 | 江苏大学 | Method and device of the automatic tabletting with placing pressed powder in laser cladding process |
| CN205736118U (en) * | 2016-05-11 | 2016-11-30 | 江西桔王药业有限公司 | A kind of efficiently tablet machine |
| CN206913736U (en) * | 2017-04-15 | 2018-01-23 | 常州久压久机械制造有限公司 | The structure of dry powder sheeting machine |
| CN206840794U (en) * | 2017-05-18 | 2018-01-05 | 大连丹特生物技术有限公司 | A kind of rotary tablet machine |
| CN206840791U (en) * | 2017-05-18 | 2018-01-05 | 大连丹特生物技术有限公司 | A kind of fluid pressure type powder former |
| CN207984068U (en) * | 2018-01-29 | 2018-10-19 | 江西泽众制药股份有限公司 | A kind of high-precision pharmaceutical tabletting machine |
| CN208085056U (en) * | 2018-03-06 | 2018-11-13 | 马红洲 | Biological tablet rotary tablet machine |
| CN109367118A (en) * | 2018-12-07 | 2019-02-22 | 合肥森隆环保科技有限公司 | A kind of transformer processing unit (plant) of new-energy automobile high efficiency from blanking |
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2019
- 2019-03-12 CN CN201910184558.2A patent/CN109760360B/en active Active
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