CN204076895U - A kind of porcupine die device and the rotary tablet machine based on this porcupine die device - Google Patents
A kind of porcupine die device and the rotary tablet machine based on this porcupine die device Download PDFInfo
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- CN204076895U CN204076895U CN201420475285.XU CN201420475285U CN204076895U CN 204076895 U CN204076895 U CN 204076895U CN 201420475285 U CN201420475285 U CN 201420475285U CN 204076895 U CN204076895 U CN 204076895U
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- punch plate
- punch
- core bar
- plunger
- die device
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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
- B30B15/06—Platens or press rams
- B30B15/065—Press rams
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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
- B30B11/08—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 moulds carried by a turntable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/0005—Details of, or accessories for, presses; Auxiliary measures in connection with pressing for briquetting presses
- B30B15/0017—Deairing means
Abstract
The utility model provides a kind of porcupine die device, by arranging the upper plunger and lower plunger motion that can work in coordination with and carry out punch die, and by arranging multiple core bar in described lower plunger through hole, described low punch is provided with multiple first core bar hole and is suitable for described multiple core bar and pass, described upper punch is provided with multiple second core bar hole, corresponding with described first core bar hole arrange and be suitable for described multiple core bar pass; In the process of compacting porous chips, can remain be installed on described multiple core bar in described lower punch plate relative to middle mould and middle punch plate position motionless, thus granular material is formed in the process of tablet by upper and lower drift extruding in middle mould, all the time the existence of described multiple core bar is had in middle mould die cavity, make to be formed with multiple endoporus in the middle of the shaping tablet obtained, obtain porous chips; Porcupine die device described in the utility model, disposablely can form equally distributed multiple endoporus on tablet, simple to operate, and controllability is strong, and machining accuracy is high.
Description
Technical field
The utility model relates to a kind of rotary tablet machine for suppressing porous chips and porcupine die device thereof, belongs to porous chips forming field, is applicable to the industries such as pharmacy, chemical industry, electronics, food.
Background technology
Tablet press machine ring mould in current production mostly is single hole punch die, is arranged on rotary tablet machine, just can suppresses single hole sheet by this single hole punch die.
Chinese patent literature CN201002346Y discloses a kind of rotary tablet machine and the punch die for suppressing annular tablet thereof, and wherein the structure of this punch die is: upper plunger and the drift of lower plunger are provided with cannelure that is relative, that be suitable for suppressing annular tablet; Core bar is provided with, for outputing the endoporus of annular tablet when suppressing annular tablet in lower plunger; When the relative lower punch plate of lower plunger slides up and down, the relative position of core bar and lower punch plate is constant, and the drift of upper plunger is provided with the hole relative with core bar, and the upper end of core bar is suitable for stretching into bottom hole.
But when needs compacting porous chips, existing single hole punch die is adopted to process, just can not meet the demand of once suppressing porous chips, also need to process other hole on suppressed single hole sheet base, repeatedly process the production that just can complete porous chips, not only waste time and energy, and form the skewness in hole.
Utility model content
When technical problem to be solved in the utility model is to adopt existing single hole punch die to process porous chips, not only waste time and energy, and form the skewness in hole, thus a kind of rotary tablet machine and the porcupine die device thereof that can be applicable to disposable compacting porous chips are proposed.
For solving the problems of the technologies described above, the technical scheme that the utility model provides is as follows:
A kind of porcupine die device, comprising:
Middle punch plate, mould during described middle punch plate is provided with, is suitable for powder filler or feed particulate material in the die cavity of described middle mould;
Lower punch plate, is arranged on the below of described middle punch plate, is fixedly connected with described middle punch plate, and described lower punch plate is provided with punching;
Low punch and core bar, described core bar is provided with multiple, and described multiple core bar is fixedly connected with described lower punch plate and the upper end of described core bar extends to the upper plane of described middle mould; Described low punch runs through and is provided with multiple first core bar hole, described multiple core bar runs through described multiple first core bar hole and arranges; Described low punch is suitable for relatively described lower punch plate and core bar carries out the reciprocating motion of above-below direction and is in described middle mould all the time; Also be provided with the reciprocating motion be suitable for described low punch and carry out spacing stopping means;
Upper punch plate, is arranged on the top of described middle punch plate, is fixedly connected with described middle punch plate, and described upper punch plate is provided with punching;
Upper punch, be suitable for carrying out the reciprocating motion of above-below direction along described upper punch plate punching and entering in described middle mould, described upper punch is provided with multiple second core bar hole, described multiple second core bar hole is corresponding with described multiple core bar respectively to be arranged.
Be connected with lower plunger with described low punch, described lower plunger is positioned at the below of described low punch and runs through described lower punch plate punching setting; Be connected with upper plunger with described upper punch, described upper plunger is positioned at the top of described upper punch and runs through described upper punch plate punching setting; Described lower plunger and low punch adopt and are threaded, and described upper plunger and upper punch adopt pin to be connected.
The sidewall running through described upper punch is provided with steam vent, and described steam vent is communicated with described second core bar hole and arranges.
Described stopping means comprises:
Spacer pin, is fixedly connected with described lower punch plate;
Spacing cotter way, is arranged on described lower plunger, and described spacer pin runs through described spacing cotter way and arranges and be suitable for the reciprocating motion that relatively described spacing cotter way does above-below direction; Described spacing cotter way total length is vertically not less than the range that lower plunger slides up and down relative to lower punch plate.
The bottom sidewall of described spacing cotter way is set to inclined-plane, and the angle of described inclined-plane and vertical direction is 30 degree.
Be connected with core rod seat with described multiple core bar lower end, the lower end of described core rod seat is provided with pin-and-hole, and described pin-and-hole is corresponding with described spacer pin to be arranged, and described spacer pin runs through described pin-and-hole and arranges, and is suitable for described core rod seat to be fixed in described lower punch plate.
Be provided with boss at described upper punch towards one end of described middle mould, the shape of described boss is the reverse frustoconic that diameter shrinks from top to bottom gradually.
Be provided with a rotary tablet machine for described porcupine die device, described middle punch plate be provided with multiple middle mould, corresponding with each described middle mould low punch on a group is set;
Also comprise:
Transmission mechanism, is connected with described upper punch plate, middle punch plate and lower punch plate and arranges, and is suitable for driving described upper punch plate, middle punch plate and lower punch plate to carry out synchronous rotary vertically;
Upper rail and lower guideway, be connected with the upper plunger of described porcupine die device and lower plunger respectively and arrange, when described upper punch plate, middle punch plate and lower punch plate rotate, described upper plunger and lower plunger are suitable for carrying out vertical direction along described upper rail and lower guideway respectively and move;
In the rotary area of described upper punch plate and lower punch plate, be provided with one or more compressing district, the described upper rail being positioned at described compressing district is bent downwardly, and the described lower guideway of relevant position is bent upwards;
Above described upper rail bending section, be provided with upper pressure wheel, the below in described lower guideway knee is provided with lower pressure wheel; Described upper pressure wheel and lower pressure wheel are suitable for exerting pressure to described upper plunger and described lower plunger respectively.
Two compressing districts are provided with in the rotary area of described upper punch plate and lower punch plate, be respectively the pre-molding district and extrusion forming district that are arranged in order along direction of rotation, the distance between the upper pressure wheel and lower pressure wheel in described pre-molding district is greater than the distance between the upper pressure wheel and lower pressure wheel in described extrusion forming district.
Also be provided with feeding device, the charge door of described feeding device is positioned at the top of described middle punch plate, is suitable for feeding in raw material to rotating mould in below it.
Technique scheme of the present utility model has the following advantages compared to existing technology:
(1) porcupine die device described in the utility model, by arranging the upper plunger and lower plunger motion that can work in coordination with and carry out punch die, and by arranging multiple core bar in described lower plunger through hole, described low punch runs through be provided with multiple first core bar hole and be suitable for described multiple core bar and pass, described upper punch is provided with multiple second core bar hole, corresponding with described first core bar hole arrange and be suitable for described multiple core bar pass; Described low punch is suitable for relatively described lower punch plate and core bar carries out the reciprocating motion of above-below direction and is in described middle mould all the time; Also arranging stopping means carries out spacing to the reciprocating motion of described low punch;
In the process of compacting porous chips, can remain be installed on described multiple core bar in described lower punch plate relative to middle mould and middle punch plate position motionless, thus granular material is formed in the process of tablet by upper and lower drift extruding in middle mould, all the time the existence of described multiple core bar is had in middle mould die cavity, make to be formed with multiple endoporus in the middle of the shaping tablet obtained, obtain porous chips; When adopting single hole punch die to process porous chips in prior art, not only waste time and energy, and forming the skewness in hole, porcupine die device described in the utility model, disposablely can form equally distributed multiple endoporus on tablet, simple to operate, controllability is strong, and machining accuracy is high, is conducive to reducing the production time, shortening the production cycle, production efficiency is high, and passes through the quantity of the described multiple core bar of adjustment and arrange quantity and the distribution that just can realize endoporus on tablet; In addition, formed after above-mentioned upper punch combination and low punch combination are assembling, be convenient to parts processing, guarantee Mould Machining precision, on machine, general assembly debugging is convenient.
(2) porcupine die device described in the utility model, the sidewall running through described upper punch is provided with steam vent, described steam vent is communicated with described second core bar hole and arranges, thus when suppressing porous chips, described multiple core bar top is concordant with the middle die tip face that middle punch plate is installed, and holding position is motionless, when in middle nib, its complementary space inclusion material is concordant with middle die tip face, then upper plunger and upper punch move downward and seal middle nib, now the upper end of each core bar has sealed the aperture in the second core bar hole corresponding with core bar on upper punch, when core bar continues to stretch into the bottom in described second core bar hole, utilize described steam vent to be conducive to the air be sealed in hole to discharge.
(3) porcupine die device described in the utility model, the bottom sidewall of described spacing cotter way is set to inclined-plane, and described inclined-plane is set and vertical direction angle is 30 degree, when suppressing porous chips, it is motionless that described multiple core bar is arranged in lower punch plate and holding position, and in through hole on low punch, each core bar also can move up and down through the first corresponding core bar hole, each first core bar hole on low punch and each core bar are matched in clearance, material is inserted in middle mould, containing fine powder in material, have fraction fine powder in compacting porous chips process to leak down from die clearance, the bottom sidewall of described spacing cotter way is set to inclined-plane, the fine powder being just conducive to the through hole bottom flowing to lower plunger is discharged from the inclined-plane of spacing cotter way, row's powder is unobstructed.
(4) porcupine die device described in the utility model, described upper punch is provided with boss, to form the groove with certain depth in compressing tablet top center, it is plane bottom tablet, thus it is smooth and easy to be not only conducive to slice, according to the needs of product function, the drug component with other effects can also be put in described groove, finally prepare the tablet with composite efficacy.
Accompanying drawing explanation
In order to make content of the present utility model be more likely to be clearly understood, below according to specific embodiment of the utility model also by reference to the accompanying drawings, the utility model is described in further detail, wherein
Fig. 1 is the structural representation of porcupine die device described in the utility model;
Fig. 2 A and Fig. 2 B is top view and the sectional view with grooved porous sheet described in the utility model respectively;
Fig. 3 A and Fig. 3 B is front view and the left view of upper plunger described in the utility model respectively;
Fig. 4 A, Fig. 4 B, Fig. 4 C are the sectional view of lower plunger described in the utility model, right view and top view respectively;
Fig. 5 A, Fig. 5 B are front view and the left view of multiple core bar described in the utility model respectively;
Fig. 6 is the structural representation of spacer pin described in the utility model.
In figure, Reference numeral is expressed as: 1-upper plunger, 2-key, 3-upper punch, and 4-sells, mould in 5-, 6-low punch, 7-lower plunger, 8-core bar, 9-spacer pin, 10-lower punch plate, 11-middle punch plate, 12-porous chips, 13-upper punch plate, 14-steam vent.
Detailed description of the invention
Embodiment 1
Described in the present embodiment, the structure of porcupine die device as shown in Figure 1, comprising: upper punch plate 13, middle punch plate 11, lower punch plate 10, upper punch 3, low punch 6 and core bar 8.
Mould 5 during described middle punch plate 11 is provided with, is suitable for powder filler or feed particulate material in the die cavity of described middle mould 5; Described lower punch plate 10 is arranged on the below of described middle punch plate 11, is fixedly connected with described middle punch plate 11; Described core bar 8 is provided with multiple, and as shown in Fig. 5 A, Fig. 5 B, described multiple core bar 8 is fixedly connected with described lower punch plate 10 and the upper end of described core bar 8 extends to the upper plane of described middle mould 5.
As shown in Fig. 4 A-Fig. 4 C, described low punch 6 runs through and is provided with multiple first core bar hole, described multiple core bar 8 runs through described multiple first core bar hole and arranges; Described low punch 6 is suitable for relatively described lower punch plate 10 and core bar 8 carries out the reciprocating motion of above-below direction and is in described middle mould 5 li all the time; Also be provided with the reciprocating motion be suitable for described low punch 6 and carry out spacing stopping means, in the present embodiment, described stopping means comprises spacer pin 9 (see Fig. 6) and spacing cotter way, described spacer pin 9 is fixedly connected with described lower punch plate 10, described spacing cotter way is arranged on described lower plunger 7, and described spacer pin 9 runs through described spacing cotter way and arranges and be suitable for the reciprocating motion that relatively described spacing cotter way does above-below direction; The total length that described spacing cotter way vertically moves is not less than the range that lower plunger 7 slides up and down relative to lower punch plate 10; As preferred embodiment, the bottom sidewall of described spacing cotter way is set to inclined-plane, and the angle α of described inclined-plane and described vertical direction is 30 degree.
Described upper punch plate 13 is arranged on the top of described middle punch plate 11, is fixedly connected with described middle punch plate 11; Described upper punch 3 is suitable for carrying out the reciprocating motion of above-below direction along the punching of described upper punch plate 13 and entering described middle mould 5, and described upper punch 3 is provided with multiple second core bar hole, and described multiple second core bar hole is corresponding with described multiple core bar 8 respectively to be arranged.
In the present embodiment, be connected with lower plunger 7 with described low punch 6, described lower plunger 7 is positioned at the below of described low punch 6 and described low punch 7 runs through described lower punch plate 10 punching setting, and employing is threaded; Be connected with upper plunger 1 with described upper punch 3, described upper plunger 1 and upper punch 3 adopt pin to be connected, and described upper plunger 1 is positioned at the top of described upper punch 3 and runs through described upper punch plate 13 punching setting; Further, upper punch plate 13 punching described in the present embodiment is provided with keyway, described upper plunger 1 is provided with key 2, described key 2 is suitable for sliding in described keyway, to guarantee that upper plunger 1 and upper punch 3 carry out can not producing rotation when above-below direction moves back and forth, thus the second core bar hole being conducive to upper punch 3 is aimed at the multiple core bars 8 in middle mould, described upper plunger 1 structure as shown in Figure 3 A and Figure 3 B, as preferred embodiment, the present embodiment is also provided with steam vent 14 at the sidewall running through described upper punch 3, and described steam vent 14 is communicated with described second core bar hole and arranges.As the embodiment that can select, described lower plunger 7 and low punch 6 adopt and are threaded, and described upper plunger 1 and upper punch 3 adopt pin 4 to be connected.
Further, the present embodiment also provides a kind of rotary tablet machine being provided with described porcupine die device, in its structure, described middle punch plate 11 is provided with multiple middle mould 5, correspondingly with each described middle mould 5 arranges one group of upper punch 3 and low punch 6;
The structure of described rotary tablet machine also comprises:
Transmission mechanism, is connected with described upper punch plate 13, middle punch plate 11 and lower punch plate 10 and arranges, and is suitable for driving described upper punch plate 13, middle punch plate 11 and lower punch plate 10 to carry out synchronous rotary vertically;
Upper rail and lower guideway, be connected with the upper plunger 1 of described porcupine die device and lower plunger 7 respectively and arrange, when described upper punch plate 13, middle punch plate 11 and lower punch plate 10 rotate, described upper plunger 1 and lower plunger 7 are suitable for carrying out vertical direction along described upper rail and lower guideway respectively and move;
Feeding device, the charge door of described feeding device is positioned at the top of described middle punch plate 11, is suitable for feeding in raw material to rotating mould 5 in below it.
Above described upper rail bending section, be provided with upper pressure wheel, the below in described lower guideway knee is provided with lower pressure wheel; Described upper pressure wheel and lower pressure wheel are suitable for exerting pressure to described upper plunger 1 and described lower plunger 7 respectively.
As the embodiment that can select, in the rotary area of described upper punch plate 13 and lower punch plate 10, be provided with one or more compressing district, the described upper rail being positioned at described compressing district is bent downwardly, and the described lower guideway of relevant position is bent upwards; The present embodiment is provided with two compressing districts in the rotary area of described upper punch plate 13 and lower punch plate 10, be respectively the pre-molding district and extrusion forming district that are arranged in order along direction of rotation, the distance between the upper pressure wheel and lower pressure wheel in described pre-molding district is greater than the distance between the upper pressure wheel and lower pressure wheel in described extrusion forming district.
Embodiment 2
On the basis of above-described embodiment, as interchangeable embodiment, as shown in Fig. 5 A, Fig. 5 B, in the present embodiment, be connected with core rod seat with described multiple core bar 8 lower end, the lower end of described core rod seat is provided with pin-and-hole, and described pin-and-hole is corresponding with described spacer pin 9 to be arranged, described spacer pin 9 runs through described pin-and-hole and arranges, and is suitable for described core rod seat to be fixed in described lower punch plate 10.
Embodiment 3
On the basis of above-described embodiment, as interchangeable embodiment, boss is provided with towards one end of described middle mould 5 at described upper punch 3, the shape of described boss is the reverse frustoconic that diameter shrinks from top to bottom gradually, to be formed in the top center of compressing porous chips, there is certain depth groove (as 2A with as shown in 2B), it is plane bottom tablet, thus it is smooth and easy to be not only conducive to slice, can also according to the needs of product function, in described groove, put into the drug component with other effects, finally prepare the tablet with composite efficacy.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And thus the apparent change of extending out or variation be still among the protection domain that the utility model creates.
Claims (10)
1. a porcupine die device, comprising:
Middle punch plate, mould during described middle punch plate is provided with, is suitable for powder filler or feed particulate material in the die cavity of described middle mould;
Lower punch plate, is arranged on the below of described middle punch plate, is fixedly connected with described middle punch plate, and described lower punch plate is provided with punching;
It is characterized in that, be also provided with
Low punch and core bar, described core bar is provided with multiple, and described multiple core bar is fixedly connected with described lower punch plate and the upper end of described core bar extends to the upper plane of described middle mould; Described low punch runs through and is provided with multiple first core bar hole, described multiple core bar runs through described multiple first core bar hole and arranges; Described low punch is suitable for relatively described lower punch plate and core bar carries out the reciprocating motion of above-below direction and is in described middle mould all the time; Also be provided with the reciprocating motion be suitable for described low punch and carry out spacing stopping means;
Upper punch plate, is arranged on the top of described middle punch plate, is fixedly connected with described middle punch plate, and described upper punch plate is provided with punching;
Upper punch, be suitable for carrying out the reciprocating motion of above-below direction along described upper punch plate punching and entering in described middle mould, described upper punch is provided with multiple second core bar hole, described multiple second core bar hole is corresponding with described multiple core bar respectively to be arranged.
2. porcupine die device according to claim 1, is characterized in that, is connected with lower plunger with described low punch, and described lower plunger is positioned at the below of described low punch and runs through described lower punch plate punching setting; Be connected with upper plunger with described upper punch, described upper plunger is positioned at the top of described upper punch and runs through described upper punch plate punching setting; Described lower plunger and low punch adopt and are threaded, and described upper plunger and upper punch adopt pin to be connected.
3. porcupine die device according to claim 1 and 2, is characterized in that, the sidewall running through described upper punch is provided with steam vent, and described steam vent is communicated with described second core bar hole and arranges.
4. porcupine die device according to claim 3, is characterized in that, described stopping means comprises:
Spacer pin, is fixedly connected with described lower punch plate;
Spacing cotter way, is arranged on described lower plunger, and described spacer pin runs through described spacing cotter way and arranges and be suitable for the reciprocating motion that relatively described spacing cotter way does above-below direction; Described spacing cotter way total length is vertically not less than the range that lower plunger slides up and down relative to lower punch plate.
5. porcupine die device according to claim 4, is characterized in that, the bottom sidewall of described spacing cotter way is set to inclined-plane, and the angle of described inclined-plane and vertical direction is 30 degree.
6. the porcupine die device according to claim 1 or 2 or 4 or 5, it is characterized in that, core rod seat is connected with described multiple core bar lower end, the lower end of described core rod seat is provided with pin-and-hole, described pin-and-hole is corresponding with described spacer pin to be arranged, described spacer pin runs through described pin-and-hole and arranges, and is suitable for described core rod seat to be fixed in described lower punch plate.
7. the porcupine die device according to claim 1 or 2 or 4 or 5, is characterized in that, be provided with boss at described upper punch towards one end of described middle mould, the shape of described boss is the reverse frustoconic that diameter shrinks from top to bottom gradually.
8. be provided with a rotary tablet machine for the arbitrary described porcupine die device of claim 2-7, it is characterized in that,
Described middle punch plate is provided with multiple middle mould, corresponding with each described middle mould low punch on a group is set;
Also comprise:
Transmission mechanism, is connected with described upper punch plate, middle punch plate and lower punch plate and arranges, and is suitable for driving described upper punch plate, middle punch plate and lower punch plate to carry out synchronous rotary vertically;
Upper rail and lower guideway, be connected with the upper plunger of described porcupine die device and lower plunger respectively and arrange, when described upper punch plate, middle punch plate and lower punch plate rotate, described upper plunger and lower plunger are suitable for carrying out vertical direction along described upper rail and lower guideway respectively and move;
In the rotary area of described upper punch plate and lower punch plate, be provided with one or more compressing district, the described upper rail being positioned at described compressing district is bent downwardly, and the described lower guideway of relevant position is bent upwards;
Above described upper rail bending section, be provided with upper pressure wheel, the below in described lower guideway knee is provided with lower pressure wheel; Described upper pressure wheel and lower pressure wheel are suitable for exerting pressure to described upper plunger and described lower plunger respectively.
9. rotary tablet machine according to claim 8, it is characterized in that, two compressing districts are provided with in the rotary area of described upper punch plate and lower punch plate, be respectively the pre-molding district and extrusion forming district that are arranged in order along direction of rotation, the distance between the upper pressure wheel and lower pressure wheel in described pre-molding district is greater than the distance between the upper pressure wheel and lower pressure wheel in described extrusion forming district.
10. rotary tablet machine according to claim 8 or claim 9, it is characterized in that, be also provided with feeding device, the charge door of described feeding device is positioned at the top of described middle punch plate, is suitable for feeding in raw material to mould in below it to rotation.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420475285.XU CN204076895U (en) | 2014-08-21 | 2014-08-21 | A kind of porcupine die device and the rotary tablet machine based on this porcupine die device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420475285.XU CN204076895U (en) | 2014-08-21 | 2014-08-21 | A kind of porcupine die device and the rotary tablet machine based on this porcupine die device |
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| CN204076895U true CN204076895U (en) | 2015-01-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104228118A (en) * | 2014-08-21 | 2014-12-24 | 北京国药龙立科技有限公司 | Porous die punching device and rotary tablet press based on porous die punching device |
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2014
- 2014-08-21 CN CN201420475285.XU patent/CN204076895U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104228118A (en) * | 2014-08-21 | 2014-12-24 | 北京国药龙立科技有限公司 | Porous die punching device and rotary tablet press based on porous die punching device |
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Effective date of registration: 20160112 Address after: 102600 Beijing, Beijing biological engineering and pharmaceutical industry base, Wing Street, No. 11, No. Patentee after: BEIJING XINLONG LI TECHNOLOGY CO., LTD. Address before: 102600 Beijing, Beijing biological engineering and pharmaceutical industry base, Wing Street, No. 11, No. Patentee before: Beijing Gylongli Sci.&Tech. Co., Ltd. |