CN110406150A - Pharmaceutical engineering preforming device - Google Patents
Pharmaceutical engineering preforming device Download PDFInfo
- Publication number
- CN110406150A CN110406150A CN201910683066.8A CN201910683066A CN110406150A CN 110406150 A CN110406150 A CN 110406150A CN 201910683066 A CN201910683066 A CN 201910683066A CN 110406150 A CN110406150 A CN 110406150A
- Authority
- CN
- China
- Prior art keywords
- tabletting
- holder
- plate
- pressing
- pressing device
- 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.)
- Pending
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J3/00—Devices or methods specially adapted for bringing pharmaceutical products into particular physical or administering forms
- A61J3/10—Devices or methods specially adapted for bringing pharmaceutical products into particular physical or administering forms into the form of compressed tablets
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
Abstract
The present invention relates to a kind of pharmaceutical engineering preforming devices, comprising: workbench；Positioning seat is fixed on the top surface of the workbench；Tabletting holder, it is arranged on the positioning seat, and the tabletting holder is hollow framework and its top is provided with opening, and pressing device is arranged in the tabletting holder, the pressing device is pushed down on, the pressing device does the movement towards the tabletting holder inner bottom surface to compress tabletting；And pushing meanss, it stretches in the tabletting holder across the opening and connect with the pressing device, it exerts a force to the pushing meanss, the pushing meanss push the pressing device, and the pressing device does the movement toward and away from the tabletting holder inner bottom surface.The configuration of the present invention is simple, it is easy to operate, moreover it is possible to buffer and the compression of pressure plate and press mold is damaged, the protection to tabletting holder and press mold can be improved, with good application prospect.
Description
Technical field
The present invention relates to the technical fields of pharmaceutical engineering, and in particular to a kind of pharmaceutical engineering preforming device.
Background technique
Pharmaceutical engineering is the industry science class profession that a chemistry, biology, pharmacy (Chinese pharmacology) and engineering science are intersected, with culture
It is engaged in drug research and development manufacture, new process, new equipment, the exploitation of new varieties, amplification and designing talents are target.Although pharmaceutical engineering
Profession is being nominally new, but its generation is not completely new from the point of view of subject evolution, is the continuity of close profession,
It is the product of Chinese science technology development.
The prior art has the following problems: existing pharmaceutical engineering is supported in structure by rubber mat solid with tablet press machine
Calmly, it when lower compressed tablets, be easy to cause deformation that can not restore, causes film-making error, and easily cause die wear, exist simultaneously fixation
Inconvenient problem is installed.
Summary of the invention
The purpose of the present invention is to provide a kind of pharmaceutical engineering preforming devices, and the preforming device production effect is good, are not easy
Cause film-making error and abrasion press mold.
The present invention solves scheme used by above-mentioned technical problem:
A kind of pharmaceutical engineering preforming device, comprising:
Workbench；
Positioning seat is fixed on the top surface of the workbench；
Tabletting holder is arranged on the positioning seat, and the tabletting holder is hollow framework and its top is provided with
Opening, the tabletting holder is interior to be arranged pressing device, pushes down on the pressing device, the pressing device is done towards the pressure
The movement of piece holder inner bottom surface is to compress tabletting；And
Pushing meanss are stretched in the tabletting holder across the opening and are connect with the pressing device, to described
Pushing meanss force, the pushing meanss push the pressing device, and the pressing device is done toward and away from the tabletting
The movement of holder inner bottom surface.
Further, the pressing device includes:
Two guide rods are separately positioned on two sides in the tabletting holder, and two guide rods are oppositely arranged, institute
The both ends for stating guide rod are separately positioned on the inner top surface and inner bottom surface of the tabletting holder；
Two pieces of clamping plates are U-shaped, are vertically installed with limit with a central hole on the lateral wall of every piece of clamping plate
Position plate, the every guide rod are threaded through in the limit plate on the corresponding clamping plate respectively thus by the clamping plate
It is fixed thereon and two pieces of clamping plates is oppositely arranged, two pieces of clamping plates are connected by pressing plate, the pressing plate
Both ends be separately positioned in the U-lag of two pieces of clamping plates.
Further, it is arranged with spring respectively at the both ends of the guide rod, the spring is located at the limit plate and institute
It states between the inner top surface or inner bottom surface of tabletting holder and the spring is in pressured state.
Further, it is provided with the groove with two pieces of clamping plate bottoms cooperation on the tabletting holder inner bottom surface, pushes away
Move that the pressing plate moves to the bottom surface of the pressing plate towards the pressing plate holder inner bottom surface and the inner bottom surface of the tabletting holder connects
Touching, the bottoms of two pieces of clamping plates be located at in the groove corresponding on the tabletting holder.
Further, the top surface of every piece of clamping plate is provided with for adjusting the pressing plate and the clamping board clamping
The adjusting nut of degree, the top surface that the adjusting nut passes through the clamping plate are extend into the clamping plate, tighten the adjusting
Nut, the adjusting nut move downward on the top surface for being pressed on the pressing plate so that the pressing plate is pressed on the clamping plate
On.
Further, it is symmetrically arranged with locating piece on two lateral walls of the tabletting holder, is provided on the locating piece
Locating slot, is provided with the retaining mechanism with the locating slot cooperation on the locating piece on the top surface of the workbench, described in rotation
Retaining mechanism is fastened in the locating slot to it and locks the retaining mechanism, and the two sides of the tabletting holder are limited solid
It is fixed.
Further, the retaining mechanism includes the fixed link being arranged in the bench top, is slideably arranged
Outside the fixed link sleeve, with the hinged L shape connecting rod of the fixed link and be arranged in the L shape connecting rod, to
Lower extension and for the fixture block that is fastened in the locating slot, is provided with elastic spacing pin, the set in the L shape connecting rod
It is provided with the limit hole with elastic spacing pin cooperation on cylinder, pushes up the sleeve to the elastic spacing pin card and is located at
In limit hole in the sleeve, the retaining mechanism is locked.
Further, the pushing meanss include the column being arranged in bench top, set along the stem height direction
The guide rail set, the rack gear slipped with the guide rail, with the rack gear meshed gears, the side of guide rail is provided on the column
On be also vertically installed with fixed plate, be provided with through-hole in the fixed plate, the wheel shaft of the gear passes through the through-hole and passes through
Bearing can be rotatably set in the fixed plate, and the lower part of the rack gear is fixedly installed for pushing the pressing device
Push plate, the push plate extend into the tabletting holder across the opening and connect with the pressing device.
Compared with prior art, the present invention at least has the advantages that the present invention by rotate gear, and gear drives
Rack gear moves downward on guide rail, to push pressing plate to move downward compacting tabletting by push rod, this method film-making is simple and makes
Piece effect is good, and the present invention is during film-making, and since spring is arranged on guide rod, which can be buffered to pressure plate and press mold
Compression damage, the protection to tabletting holder and press mold can be improved；In addition, two sides locating slot of the present invention in tabletting holder, with
This accordingly, the two sides of tabletting holder are provided with the locking device with locating slot positioning and locking, when in use, rotate tabletting holder
In the locating slot that L shape connecting rod on the retaining mechanism of two sides is housed in the fixture block of L shape connecting rod row on locating piece, then push away
In the limit hole that moving sleeve is fastened on the spacer pin in L shape connecting rod on sleeve, and then lock the two sides of tabletting holder
Tight mechanism is locked, and so far tabletting holder is also just tightly secured on positioning seat, therefore in operation, to piece pressing clip
Seat two sides are locked, and tabletting holder can be securely fixed on positioning seat, and when tabletting is also just not easy displacement and shadow
Ring tablet quality；The configuration of the present invention is simple, it is easy to operate, moreover it is possible to buffer and the compression of pressure plate and press mold is damaged, can improve pair
The protection of tabletting holder and press mold, with good application prospect.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of preforming device of the present invention；
Fig. 2 is the structural schematic diagram of pressing device of the present invention；
Fig. 3 is the structural schematic diagram of retaining mechanism of the present invention.
Specific embodiment
For a better understanding of the present invention, the following examples are to further explanation of the invention, but the contents of the present invention
It is not limited solely to the following examples.
As shown in Figure 1, the invention discloses a kind of pharmaceutical engineering preforming device, including workbench 1, positioning seat 2, tabletting
Holder 3, pressing device and pushing meanss.Positioning seat 2 is fixed on the top surface of workbench 1 by fasteners such as bolts.Tabletting
Holder 3 and positioning seat 2 connect.Tabletting holder 3 is rectangular hollow frame, and its top is provided with opening 30, the opening
30 are connected to form tabletting blanketed zone with the hollow portion of tabletting holder 3.The tabletting blanketed zone in tabletting holder 3 is arranged in pressing device
In, see that Fig. 2, pressing device include two guide rods 40, two pieces of clamping plates 41, pressing plates 42.Two guide rods 40 are separately positioned on
Tabletting blanketed zone two sides in tabletting holder 3, and two guide rods 40 are oppositely arranged, the both ends of every guide rod 40 are respectively set
On the inner top surface and inner bottom surface of tabletting holder 3.Two pieces of clamping plates 41 are U-shaped, are hung down on the lateral wall of every piece of clamping plate 41
Two pieces of limit plates 43 with a central hole directly are provided with, every guide rod 40 is threaded through two pieces on corresponding clamping plate 41 respectively
To be fixed thereon clamping plate 41 and be oppositely arranged two pieces of clamping plates 41 in limit plate 43.Two pieces of clamping plates 41 are then
It is connected by pressing plate 42, the both ends of pressing plate 42 are separately positioned in the U-lag of two pieces of clamping plates 41.For the ease of adjusting pressing plate 42
It is provided with and is used on the top surface of every piece of clamping plate 41 preferably to suppress tabletting with the clamping degree between clamping plate 41
The adjusting nut 44 of pressing plate 42 and 41 clamping degree of clamping plate is adjusted, the top surface which passes through clamping plate 41 extend into folder
In tight plate 41, adjusting nut 44 is tightened, adjusting nut 44 moves downward on the top surface for being pressed on pressing plate 42 to press pressing plate 42
Tightly in clamping plate 41.For the damage for preferably clamping clamping plate 41 with preventing clamping tension from easily causing clamping plate 41 and press mold
It is bad, sheathed spring 45 is distinguished at the both ends of guide rod 40, which is located on every piece of limit plate 43 and tabletting holder 3 and the limit
Between position plate 43 opposite inner top surface or inner bottom surface, and every spring 45 is in compressive state.Further, since clamping plate 41
Bottom surface and the bottom surface of pressing plate 42 have difference in height, in order to enable it can be with pressure when pushing pressing plate 42 to be moved downwardly to extreme lower position
The inner bottom surface of piece holder 3 contacts and then improves the pressing result of tabletting, is provided on the inner bottom surface of tabletting holder 3 and presss from both sides with two pieces
The groove 31 of tight 41 bottom of plate cooperation, the depth of the groove 31 are not less than the thickness of 41 bottom plate of clamping plate, are pushing pressing plate in this way
42 when moving downwardly to extreme lower position, and the inner bottom surface of pressing plate 42 and tabletting holder 3 connects, at this time the bottom of two pieces of clamping plates 41
Plate is located in corresponding groove 31.
In order to prevent during suppressing tabletting, tabletting holder 3 influences tabletting matter being displaced in loading process
Amount, two locating pieces 6 are symmetrically arranged on two lateral walls of tabletting holder 3, are provided with positioning on the top surface of every piece of locating piece 6
Slot 60, and the retaining mechanism cooperated with the locating slot 60 on locating piece 6 is provided on the top surface of workbench 1, rotation lock machine
Structure is fastened in locating slot 60 to it and locks retaining mechanism, the locked limit in the two sides of tabletting holder 3.Specifically, such as Fig. 3 institute
Show, retaining mechanism includes the fixed link 70 being arranged in bench top 1, the sleeve being slidably sleeved on outside fixed link 70
71, with the hinged L shape connecting rod 72 of fixed link 70 and be arranged on the lateral body of rod of L shape connecting rod 72, extend downwardly and
Fixture block 73 for being fastened in locating slot 60.Elastic spacing pin 74 is provided on longitudinal body of rod of L shape connecting rod 72, L shape connects
The diameter of longitudinal body of rod of extension bar 72 is not more than the internal diameter of sleeve 71, and the limit cooperated with elastic spacing pin 74 is provided on sleeve 71
Position hole 75, pushes up in the limit hole 75 that sleeve 71 to elastic spacing pin 74 is fastened in sleeve 71, retaining mechanism is locked
It is fixed.
Pushing meanss include be arranged 1 top surface of workbench on column 50, along 50 short transverse of column setting guide rail 51, with
The sliding rack gear 52 of guide rail 51, with 52 meshed gears 53 of rack gear, be provided on the side of guide rail 51 on column 50 and also vertically set
It is equipped with fixed plate 54, through-hole is provided in the fixed plate 54, the wheel shaft 55 of gear 53 passes through through-hole and by bearing setting solid
So that gear 53 is rotatably arranged in fixed plate 54 on fixed board 54.The lower part of rack gear 52 is fixedly installed for pushing
The push rod 56 of pressing plate 42, the push plate 56 pass through opening 30 and extend into vertical with pressing plate 42 in tabletting holder 3 connect.Rotate gear
53, gear 53 moves up and down on guide rail 51 with carry-over bar 52, to push pressing plate 42 to move up and down by push rod 56.In order to just
In rotate gear 53, one rotating handle 57 is set in 55 end side of wheel shaft of gear 53.
In the pharmaceutical engineering preforming device of application the present embodiment, the medicinal powder for needing tabletting is put in tabletting holder 3
With 42 corresponding position of pressing plate on inner bottom surface, L shape 72 bars of connection rotated on the retaining mechanism of 3 two sides of tabletting holder connect L shape
Fixture block 73 on bar 72 is housed in the locating slot 60 on locating piece 6, then sleeve 71 is pushed to make the limit in L shape connecting rod 72
Pin 74 is fastened in the limit hole 75 on sleeve 71, and so far, the two sides of tabletting holder 3 mechanism that is locked is locked, the tabletting
Holder 3 is also just tightly secured on positioning seat 2.Later, rotation rotating handle 57 is to rotate gear 53, the drive of gear 53
Rack gear 52 moves downward on guide rail 51, to push pressing plate 42 to move downward compacting tabletting by push rod 56.When tabletting is suppressed
After the completion, rotate rotating handle 57, to moved upwards with carry-over bar 52 by gear 53, and then push rod 56 with dynamic pressure plate 42 to
Upper movement is separated with tabletting, and pressing elastic spacing pin 74 pushes down on sleeve 71 simultaneously and spacer pin 74 is separated with sleeve 71,
Sleeve 71 is pushed into downwards in fixed link 70 again, fixture block 73 is produced from locating slot 60 then, is deviate from from by retaining mechanism, then
Tabletting is taken out, the production of tabletting is completed.
The above is a preferred embodiment of the present invention, cannot limit the right model of the present invention with this certainly
It encloses, it is noted that for those skilled in the art, without departing from the principle of the present invention, may be used also
To make several improvement and variation, these, which improve and change, is also considered as protection scope of the present invention.
Claims (8)
1. a kind of pharmaceutical engineering preforming device characterized by comprising
Workbench；
Positioning seat is fixed on the top surface of the workbench；
Tabletting holder is arranged on the positioning seat, and the tabletting holder is hollow framework and its top is provided with opening,
Pressing device is set in the tabletting holder, pushes down on the pressing device, the pressing device is done towards the piece pressing clip
The movement of seat inner bottom surface is to compress tabletting；And
Pushing meanss are stretched in the tabletting holder across the opening and are connect with the pressing device, to the promotion
Device force, the pushing meanss push the pressing device, and the pressing device is done toward and away from the tabletting holder
The movement of inner bottom surface.
2. a kind of pharmaceutical engineering preforming device according to claim 1, which is characterized in that the pressing device includes:
Two guide rods are separately positioned on two sides in the tabletting holder, and two guide rods are oppositely arranged, described to lead
It is separately positioned on to the both ends of bar on the inner top surface and inner bottom surface of the tabletting holder；
Two pieces of clamping plates are U-shaped, are vertically installed with limit with a central hole on the lateral wall of every piece of clamping plate
Plate is consolidated the clamping plate in the limit plate that the every guide rod is threaded through respectively on the corresponding clamping plate
It is scheduled on thereon and two pieces of clamping plates is oppositely arranged, two pieces of clamping plates are connected by pressing plate, the pressing plate
Both ends are separately positioned in the U-lag of two pieces of clamping plates.
3. a kind of pharmaceutical engineering preforming device according to claim 2, which is characterized in that at the both ends of the guide rod
It is arranged with spring respectively, the spring is located at the limit plate and inner top surface opposite with the limit plate on the tabletting holder
Or between inner bottom surface and the spring is in pressured state.
4. a kind of pharmaceutical engineering preforming device according to claim 2, which is characterized in that the tabletting holder inner bottom surface
On be provided with two pieces of clamping plate bottoms cooperation groove, push the pressing plate to move towards the pressing plate holder inner bottom surface
It is contacted to the bottom surface of the pressing plate with the inner bottom surface of the tabletting holder, the bottom of two pieces of clamping plates is located at and the tabletting
On holder in the corresponding groove.
5. a kind of pharmaceutical engineering preforming device according to claim 2, which is characterized in that the top of every piece of clamping plate
Face is provided with the adjusting nut for adjusting the pressing plate Yu the clamping plate clamping degree, and the adjusting nut passes through the folder
The top surface of tight plate is extend into the clamping plate, tightens the adjusting nut, the adjusting nut move downward be pressed on it is described
The pressing plate to be pressed on the clamping plate on the top surface of pressing plate.
6. a kind of pharmaceutical engineering preforming device according to claim 1, which is characterized in that outside the two of the tabletting holder
It is symmetrically arranged with locating piece on side wall, locating slot is provided on the locating piece, is provided on the top surface of the workbench and institute
The retaining mechanism for stating the locating slot cooperation on locating piece, rotates the retaining mechanism and is fastened in the locating slot and locks to it
The two sides of the retaining mechanism, the tabletting holder are fixed.
7. a kind of pharmaceutical engineering preforming device according to claim 6, which is characterized in that the retaining mechanism includes setting
Set in the bench top fixed link, be slidably sleeved on outside the fixed link sleeve, with the fixed link cut with scissors
The L shape connecting rod connect and the card for being arranged in the L shape connecting rod, extending downwardly and be used to be fastened in the locating slot
Block is provided with elastic spacing pin in the L shape connecting rod, and the limit with elastic spacing pin cooperation is provided on the sleeve
Hole pushes up the sleeve to the elastic spacing pin card and is located in the limit hole in the sleeve, the retaining mechanism quilt
Locking.
8. a kind of pharmaceutical engineering preforming device according to claim 1, which is characterized in that the pushing meanss include setting
Set column in bench top, the guide rail along stem height direction setting, the rack gear sliding with the guide rail, with it is described
Rack gear meshed gears is provided on the side of guide rail on the column and is also vertically installed with fixed plate, sets in the fixed plate
It is equipped with through-hole, the wheel shaft of the gear passes through the through-hole and can be rotatably set in the fixed plate by bearing, described
The lower part of rack gear is fixedly installed the push plate for pushing the pressing device, and the push plate extend into described across the opening
It is connect in tabletting holder with the pressing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910683066.8A CN110406150A (en) | 2019-07-26 | 2019-07-26 | Pharmaceutical engineering preforming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910683066.8A CN110406150A (en) | 2019-07-26 | 2019-07-26 | Pharmaceutical engineering preforming device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110406150A true CN110406150A (en) | 2019-11-05 |
Family
ID=68363312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910683066.8A Pending CN110406150A (en) | 2019-07-26 | 2019-07-26 | Pharmaceutical engineering preforming device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110406150A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205364621U (en) * | 2016-01-28 | 2016-07-06 | 慈溪远志工业产品设计有限公司 | Die installation structure |
| CN206493614U (en) * | 2017-01-19 | 2017-09-15 | 天津古特启达科技有限公司 | A kind of automatic stamping equipment for being used to produce carrier band |
| CN207044754U (en) * | 2017-07-18 | 2018-02-27 | 党大胜 | A kind of pressure structure of pharmaceutical purpose tablet press machine |
| CN107971395A (en) * | 2016-10-21 | 2018-05-01 | 范佳晨 | Under from revolving die self-locking device |
| CN108556409A (en) * | 2018-01-15 | 2018-09-21 | 贵阳锐航智能科技有限公司 | A kind of panel hot press |
| CN108790257A (en) * | 2018-06-22 | 2018-11-13 | 郭文英 | It is a kind of to have the tablet press machine for recycling function |
| CN208343519U (en) * | 2018-04-16 | 2019-01-08 | 江苏鹏鹞药业有限公司 | Novel pharmaceutical engineering tablet press machine |
| CN109572037A (en) * | 2018-11-15 | 2019-04-05 | 广州能之原科技股份有限公司 | A kind of quickly mold changing safety device |
| CN208944917U (en) * | 2018-09-11 | 2019-06-07 | 保定市沧龙不锈钢精密铸造有限公司 | A kind of five metalworking stamping devices |
| CN209077575U (en) * | 2018-11-30 | 2019-07-09 | 福瑞斯特汽车技术(苏州)有限公司 | A kind of automobile parts processing press machine being conveniently replaceable mold |
-
2019
- 2019-07-26 CN CN201910683066.8A patent/CN110406150A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205364621U (en) * | 2016-01-28 | 2016-07-06 | 慈溪远志工业产品设计有限公司 | Die installation structure |
| CN107971395A (en) * | 2016-10-21 | 2018-05-01 | 范佳晨 | Under from revolving die self-locking device |
| CN206493614U (en) * | 2017-01-19 | 2017-09-15 | 天津古特启达科技有限公司 | A kind of automatic stamping equipment for being used to produce carrier band |
| CN207044754U (en) * | 2017-07-18 | 2018-02-27 | 党大胜 | A kind of pressure structure of pharmaceutical purpose tablet press machine |
| CN108556409A (en) * | 2018-01-15 | 2018-09-21 | 贵阳锐航智能科技有限公司 | A kind of panel hot press |
| CN208343519U (en) * | 2018-04-16 | 2019-01-08 | 江苏鹏鹞药业有限公司 | Novel pharmaceutical engineering tablet press machine |
| CN108790257A (en) * | 2018-06-22 | 2018-11-13 | 郭文英 | It is a kind of to have the tablet press machine for recycling function |
| CN208944917U (en) * | 2018-09-11 | 2019-06-07 | 保定市沧龙不锈钢精密铸造有限公司 | A kind of five metalworking stamping devices |
| CN109572037A (en) * | 2018-11-15 | 2019-04-05 | 广州能之原科技股份有限公司 | A kind of quickly mold changing safety device |
| CN209077575U (en) * | 2018-11-30 | 2019-07-09 | 福瑞斯特汽车技术(苏州)有限公司 | A kind of automobile parts processing press machine being conveniently replaceable mold |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191105 |
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| RJ01 | Rejection of invention patent application after publication |