CN204622669U - Membrane module in tablet press machine down-mounting type - Google Patents
Membrane module in tablet press machine down-mounting type Download PDFInfo
- Publication number
- CN204622669U CN204622669U CN201520172304.6U CN201520172304U CN204622669U CN 204622669 U CN204622669 U CN 204622669U CN 201520172304 U CN201520172304 U CN 201520172304U CN 204622669 U CN204622669 U CN 204622669U
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- CN
- China
- Prior art keywords
- supporting plate
- hole
- turntable
- middle mould
- mould
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Classifications
-
- 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
- B30B15/02—Dies; Inserts therefor; Mounting thereof; Moulds
- B30B15/026—Mounting of dies, platens or press rams
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Medical Preparation Storing Or Oral Administration Devices (AREA)
Abstract
Membrane module in tablet press machine down-mounting type, comprises turntable, middle mould and multiple supporting plate.The upper mould installing hole of turntable is through hole, and establishes counterbore in this through hole lower end.Flange is established in middle mould lower end.Supporting plate is curved, and establish screwed hole in the convex side of supporting plate, concave side establishes through hole, and makes through hole have certain radial spacing apart from this concave side edge.Multiple supporting plate head and the tail connect in turn formed circular.Establish tapped blind hole in the lower surface of the middle part boss of turntable, establish the deep-slotted chip breaker of horizontal-extending simultaneously at the inboard root of middle part boss.Pallets level is installed on turntable and the concave side of each supporting plate is embedded in the deep-slotted chip breaker of boss inboard root in the middle part of turntable.It can rely in the flange of mould lower end, by the counterbore on turntable and supporting plate formed up, descending to firm restriction, overcome the middle mould play problem that excessive friction causes, solve middle mould and easily loosen, depart from the problem of turntable, reduce the production accident incidence caused thus.
Description
Technical field
The utility model relates to the equipment used when producing tablet medicament, belongs to the technical field of medicine former, is specifically related to membrane module in the one used in revolving tablet press machine.
Background technology
As shown in Figure 1, in existing tablet press machine mould install with turntable on time section of structure.From up to down be fixed in mould installing hole on turntable 1 (being arranged on the middle part boss of turntable 1) by mould 4 in the known ring bodies formula of diagram, in this, mould installing hole is step through hole, and aperture, top is greater than bottom.The lower surface of middle mould 4 is supported by the shoulder of described step through hole, the sidewall of middle mould 4 is provided with groove, on turntable 1, in correspondence, mould 4 arranges radial tapped through hole, rely on and be arranged on the middle mould jackscrew 5 in this tapped through hole and the magnitude of interference between middle mould 4 and middle mould 4 installing hole, realize the fixing of centering mould 4.Middle mould in Fig. 1 is and turntable interference fit equally, holds out against with the middle mould jackscrew of round end simultaneously.But use for a long time, or under the various factors such as sticky powder, round end can be sheared power and cut off.
Revolving tablet press machine is in operation process, and upper punch 2, undershoot 3 (i.e. upper and lower jumper bar) make lifting action, simultaneously also along with the rotation of turntable 1 circles along with curve track.The working end installing rear undershoot 3 upper end is arranged in the axial forming hole of mould all the time, time initial, the working end of upper punch 2 lower end is arranged in mold shaft to outside forming hole, after in the axial forming hole of mould in pulvis feeding, upper punch 2 and undershoot 3 do relative movement under each self-corresponding descending rail and up rail effect, as shown in Figure 1, pulvis is pressed into tablet 6 the most at last.After tablet 6 compression molding, the axial forming hole of mould 4 during tablet 6 ejects by undershoot 3 under the up rail effect of its correspondence.
In when tablet 6 being ejected middle mould 4 to undershoot after compression molding 3, to carry out force analysis known for mould, undershoot 3 is in the process ejecting tablet 6, undershoot 3 drift and middle mould 4 and between tablet 6 and middle mould 4, all there is very large vertical frictional force, structure as shown in Figure 1 moves down after being conducive to preventing middle mould 4 to be subject to vertical active force, and preventing middle mould action effect of prolapse upwards under the effect of vertical active force not obvious, it depends on the restriction of the middle mould jackscrew 5 of diagram setting and the magnitude of interference between middle mould 4 and middle mould 4 installing hole.The viscosity that fruit compressing tablet relates to pulvis is larger, adhere to on the forming hole hole wall of middle mould 4 by having a large amount of sticky powder 7, then compressing tablet complete after undershoot 3 when tablet 6 is ejected middle mould 4, tablet 6 will act on sticky powder 7, undershoot 3 also can act on sticky powder 7 simultaneously, make between tablet 6 and middle mould 4, very large vertical frictional force can be produced between undershoot 3 and middle mould 4, when the vertical that central mould 4 is subject to acquires a certain degree, the bulb that middle mould jackscrew 5 acts in middle mould 4 sidewall notches is very easily damaged, the restriction effect of middle mould jackscrew 5 was lost efficacy, mould 4 is caused to depart from middle mould installing hole (being arranged on the middle part boss of turntable 1) on turntable 1, cause production accident.So adopt Fig. 1 shownschematically existing middle mould mounting structure, there is undershoot 3 and easily loosen to mould 4 in during top piece, and the problem of mould installing hole in very easily departing from.
At present for preventing middle mould from loosening, the deficiency of mould installing hole in disengaging, the means taked arrange mould jackscrew 5 in bulb type turntable mid-game is circumferentially uniform, the bulb of all middle mould jackscrews 5 tighten withstand on middle mould 4 sidewall groove in, the radial depth of dependence effect is strengthened limiting.
Utility model content
The purpose of this utility model is to provide membrane module in a kind of tablet press machine down-mounting type, it can the up movement in vertical direction of centering mould and descending mobile formation firmly limit, the impact of pulvis viscosity can not be subject to and lose efficacy, in fundamentally solving, mould easily loosens, depart from the problem of turntable, reduce the production accident incidence caused thus.
The technical scheme in the invention for solving the technical problem is:
Membrane module in a kind of tablet press machine down-mounting type, comprises turntable, middle mould and multiple supporting plate.
Middle mould installing hole in the middle part of described turntable on boss is the through hole of vertical setting, and arranges counterbore in the lower end of this through hole.
Described middle mould is cylinder and lower end arranges flange.
Described supporting plate is curved, arranges vertical screwed hole in the convex side edge distribution of described supporting plate, arranges vertical through hole in the concave side edge distribution of described supporting plate, and makes the through hole of distribution have certain radial spacing apart from this concave side edge.After installation, multiple described supporting plate head and the tail connect in turn in circular.
Corresponding with the screwed hole on described supporting plate, tapped blind hole is set in the lower surface of the middle part boss of described turntable, the deep-slotted chip breaker of horizontal-extending is set at the inboard root of middle part boss simultaneously.
Described supporting plate is installed on boss lower surface in the middle part of turntable by bolt level and the concave side of each supporting plate is embedded in the deep-slotted chip breaker of boss inboard root in the middle part of described turntable through its upper screwed hole.
Be arranged on bottom-up for middle mould in middle mould installing hole during installation, make the flange of middle mould be assemblied in the counterbore of turntable, then pallets level is fixed on the lower surface of boss in the middle part of turntable.Because transverse plane on flange contacts with the bottom surface of counterbore, the lower end plane of flange contacts with the upper surface of supporting plate, so install rear middle mould when being subject to vertical active force, can remain firm axial restraint in the up and descending action of jumper bar.The impact of sticky powder can not be subject to easily, cause middle mould to assemble and loosen, avoid it to depart from turntable and cause accident.
Further, the number of described supporting plate is three.Now the radian of each supporting plate is 120 °, and supporting plate number also can be set to other number and radian is the equal score value of 360 °.
Further, the axial width of described middle mould upper flange can be made consistent with the axial depth of counterbore on described turntable.Now the upper surface of supporting plate is plane.
Further, the thickness of described middle mould upper flange is 2mm.
Further, the annular sidewall of described middle mould arranges groove, accordingly, on the middle part boss of described turntable, radial tapped through hole is set, mould jackscrew in being provided with in this tapped through hole, the groove fit on one end of described middle mould jackscrew and described middle mould.
Further, described middle mould upper groove be trapezoidal groove and small end inwardly, accordingly, one end of described middle mould jackscrew and middle mould groove fit is bathrocephaly.
The beneficial effects of the utility model are: its can rely in the flange of mould lower end, by the counterbore on turntable and supporting plate formed up, descending to firm restriction, overcome the middle mould play problem that excessive friction causes, in fundamentally solving, mould easily loosens, depart from the problem of turntable, reduce the production accident incidence caused thus.
Accompanying drawing explanation
Fig. 1 is the structural representation of mould part in existing tablet press machine;
Fig. 2 is the middle mode structure schematic diagram in the involved middle membrane module of the utility model;
Fig. 3 is the support board structure schematic diagram in the involved middle membrane module of the utility model;
Fig. 4 is structural representation when middle membrane module is installed on tablet press machine turntable involved by the utility model;
In figure: 1 turntable, 2 upper punches, 3 undershoots, mould in 4,41 trapezoidal grooves, 42 flanges, mould jackscrew in 5,6 tablets, 7 sticky powder, 8 supporting plates, 9 deep-slotted chip breakers.
Detailed description of the invention
For ease of understanding technology contents of the present utility model, just by reference to the accompanying drawings its technical scheme is described further below.
As shown in Figures 2 to 4, membrane module in a kind of tablet press machine down-mounting type, comprises turntable 1, middle mould 4 and three supporting plates 8.
As shown in Figure 4, the middle mould installing hole in the middle part of described turntable 1 on boss is the through hole of vertical setting, and arranges counterbore in the lower end of this through hole.As shown in Figure 2, Figure 4 shows, described middle mould 4 is in cylinder and lower end arranges flange 42, is chosen as collar flange, makes the external diameter of collar flange consistent with the internal diameter of counterbore on described turntable.The annular sidewall of described middle mould 4 arranges groove, accordingly, on the middle part boss of described turntable 1, radial tapped through hole is set, mould jackscrew 5 in being provided with in this tapped through hole, groove fit on one end of described middle mould jackscrew 5 and described middle mould, this end the same as existing mode can be bulb end.Also described middle mould 4 upper groove can be made to be trapezoidal groove 41 and small end inwardly, accordingly, described middle mould jackscrew 5 is bathrocephaly with one end of middle mould groove fit.
As shown in Figure 3, Figure 4, described supporting plate 8 is curved, and the radian of each supporting plate 8 is 120 °.In the convex side edge distribution of described supporting plate 8, vertical screwed hole is set, vertical through hole (this through hole is equivalent to the lower sector hole of the upper mould of turntable 1 shown in Fig. 1 installing hole) is set in the concave side edge distribution of described supporting plate 8, and the through hole that supporting plate 8 concave side is distributed there is certain radial spacing (for stopping space with the assembling of turntable below) apart from this concave side edge.Multiple described supporting plate 8 head and the tail connect in turn formed circular.Corresponding with the screwed hole on described supporting plate 8, tapped blind hole is set in the lower surface of the middle part boss of described turntable 1, the deep-slotted chip breaker 9 of horizontal-extending is set at the inboard root of middle part boss simultaneously.Described supporting plate 8 is installed on boss lower surface in the middle part of turntable 1 by bolt level and the concave side of each supporting plate 8 is embedded in the deep-slotted chip breaker 9 of boss inboard root in the middle part of described turntable 1 through its upper screwed hole.
The axial width of middle mould 4 upper annular flange is with when on described turntable 1, the axial depth of counterbore is consistent, and described supporting plate 8 upper surface is plane, and the thickness that now can make described middle mould 4 upper flange is 2mm.Certainly, the axial width of middle mould 4 upper annular flange can be greater than or less than the axial depth of counterbore on turntable 1, now should accordingly in the upper surface of described supporting plate 8, the counterbore coaxial with concave side through hole on supporting plate 8 or annular boss are set, as setting on supporting plate 9 is counterbore, the counterbore then arranged should be corresponding consistent with counterbore on turntable 1, as setting on supporting plate 9 is annular boss, its internal diameter of the annular boss then arranged is greater than the through hole coaxial with it, and external diameter is consistent with counterbore aperture on turntable 1.In a word, guarantee that the collar flange of mould 4 in after assembling is by turntable 1 and supporting plate 8 firm grip, upper and lower side contact surface does not deposit vertical gap.
It can rely in the flange 42 of mould 4 lower end, by the counterbore on turntable 1 and supporting plate 8 formed up, descending to firm restriction, overcome the middle mould 4 play problem that excessive friction causes, in fundamentally solving, mould easily loosens, depart from the problem of turntable, reduce the production accident incidence caused thus.The setting of middle mould 4 flange 42 thickness should ensure that it can bear between tablet 6 and middle mould 4, between undershoot 3 drift and middle mould 4, and the frictional force produced between upper punch 2 drift and middle mould 4.For the supporting plate 8 that the mode that fills under this middle mould is arranged, the stressed downward play of middle mould 4 can be prevented, then after arranging middle mould jackscrew 5 structure, be conducive to overcoming processing and assembling the error gap caused, the middle mould caused loosens problem, stability, fastness that in raising, mould is installed.The utility model, from multiple angle analysis, by the structure of mould in change, has been stopped the multiple key element of mould installing hole in mould disengaging in tableting processes, has been reduced the incidence of tablet press machine production accident when compressing tablet
Except the technical characteristic described in description, be the known technology of those skilled in the art.
Claims (8)
1. a membrane module in tablet press machine down-mounting type, comprises turntable, middle mould, it is characterized in that:
Also comprise multiple supporting plate;
Middle mould installing hole in the middle part of described turntable on boss is the through hole of vertical setting, and arranges counterbore in the lower end of this through hole;
Described middle mould is cylinder and lower end arranges flange;
After installation, described middle mould upper flange to be matched with on described turntable in counterbore;
Described supporting plate is curved, arranges vertical screwed hole in the convex side edge distribution of described supporting plate, arranges vertical through hole in the concave side edge distribution of described supporting plate, and the through hole that supporting plate concave side is distributed has certain radial spacing apart from this concave side edge;
Corresponding with the screwed hole on described supporting plate, tapped blind hole is set in the lower surface of the middle part boss of described turntable, the deep-slotted chip breaker of horizontal-extending is set at the inboard root of middle part boss simultaneously;
Described supporting plate is installed on boss lower surface in the middle part of turntable by bolt level and the concave side of each supporting plate is embedded in the deep-slotted chip breaker of boss inboard root in the middle part of described turntable through its upper screwed hole;
After installation, multiple described supporting plate head and the tail connect in turn in circular.
2. membrane module in tablet press machine down-mounting type according to claim 1, is characterized in that: the number of described supporting plate is three, and the radian of each supporting plate is 120 °.
3. membrane module in tablet press machine down-mounting type according to claim 1 and 2, is characterized in that: the axial width of described middle mould upper flange is consistent with the axial depth of counterbore on described turntable, and the upper surface of described supporting plate is plane.
4. membrane module in tablet press machine down-mounting type according to claim 3, is characterized in that: the thickness of described middle mould upper flange is 2mm.
5. membrane module in tablet press machine down-mounting type according to claim 1 and 2, it is characterized in that: on the annular sidewall of described middle mould, groove is set, accordingly, on the middle part boss of described turntable, radial tapped through hole is set, mould jackscrew in being provided with in this tapped through hole, the groove fit on one end of described middle mould jackscrew and described middle mould.
6. membrane module in tablet press machine down-mounting type according to claim 5, is characterized in that: described middle mould upper groove be trapezoidal groove and small end inwardly, accordingly, one end of described middle mould jackscrew and middle mould groove fit is bathrocephaly.
7. membrane module in tablet press machine down-mounting type according to claim 3, it is characterized in that: on the annular sidewall of described middle mould, groove is set, accordingly, on the middle part boss of described turntable, radial tapped through hole is set, mould jackscrew in being provided with in this tapped through hole, the groove fit on one end of described middle mould jackscrew and described middle mould.
8. membrane module in tablet press machine down-mounting type according to claim 7, is characterized in that: described middle mould upper groove be trapezoidal groove and small end inwardly, accordingly, one end of described middle mould jackscrew and middle mould groove fit is bathrocephaly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520172304.6U CN204622669U (en) | 2015-03-25 | 2015-03-25 | Membrane module in tablet press machine down-mounting type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520172304.6U CN204622669U (en) | 2015-03-25 | 2015-03-25 | Membrane module in tablet press machine down-mounting type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204622669U true CN204622669U (en) | 2015-09-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520172304.6U Withdrawn - After Issue CN204622669U (en) | 2015-03-25 | 2015-03-25 | Membrane module in tablet press machine down-mounting type |
Country Status (1)
| Country | Link |
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| CN (1) | CN204622669U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104708848A (en) * | 2015-03-25 | 2015-06-17 | 聊城万合工业制造有限公司 | Lower-mounting type middle die assembly for tablet machine |
-
2015
- 2015-03-25 CN CN201520172304.6U patent/CN204622669U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104708848A (en) * | 2015-03-25 | 2015-06-17 | 聊城万合工业制造有限公司 | Lower-mounting type middle die assembly for tablet machine |
| CN104708848B (en) * | 2015-03-25 | 2016-05-25 | 聊城万合工业制造有限公司 | Membrane module in tablet press machine down-mounting type |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150909 Effective date of abandoning: 20160525 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |