CN105252807A - Tablet press air current clear powder system - Google Patents

Tablet press air current clear powder system Download PDF

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Publication number
CN105252807A
CN105252807A CN201510729430.1A CN201510729430A CN105252807A CN 105252807 A CN105252807 A CN 105252807A CN 201510729430 A CN201510729430 A CN 201510729430A CN 105252807 A CN105252807 A CN 105252807A
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China
Prior art keywords
dust
tablet press
press machine
tablet
air
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Granted
Application number
CN201510729430.1A
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Chinese (zh)
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CN105252807B (en
Inventor
布占省
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Beijing Xinlongli Intelligent Technology Co ltd
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Beijing Longlitech Co ltd
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Priority to CN201510729430.1A priority Critical patent/CN105252807B/en
Publication of CN105252807A publication Critical patent/CN105252807A/en
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Publication of CN105252807B publication Critical patent/CN105252807B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B30PRESSES
    • B30BPRESSES IN GENERAL
    • B30B15/00Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/0082Dust eliminating means; Mould or press ram cleaning means

Abstract

The application discloses a tablet press airflow powder cleaning system which comprises a control system, a blowing system and a dust removal system, wherein the control system comprises a filtering pressure reducing valve, an electromagnetic valve and an air pipe; the blowing system comprises an air pipe, a pneumatic connector, a pipe clamp and a nozzle; the dust removal system comprises a dust suction device, a dust suction pipeline and a pipe joint; the control system is connected with the blowing system through an air pipe. Adopt the clear powder system of tablet press air current that this application embodiment provided, can blow the remaining dust that the tablet press produced in service to the dust that the air current blown up is cleared up respectively by the dust extraction at both sides and is siphoned away, ensures that the dust that floats up does not fall elsewhere and causes the cross contamination of tablet, even the long-time accumulative operation of tablet press, the phenomenon that two-layer tablet colour mixture, boundary are unclear, untidy can not appear in the double-deck piece of suppression yet.

Description

A kind of tablet press machine air-flow powder-cleaning system
Technical field
The application relates to pharmaceutical machinery technical field, particularly relates to a kind of tablet press machine air-flow powder-cleaning system.
Background technology
Along with the development of drugs manufacture equipment industry, the tablet of pharmacy corporation is constantly being innovated, special tablet form, as the appearance of double-layer tablets, ring segment, is had higher requirement to the function of tablet press machine, the performance space that equally also to have made pressed-disc technique have larger.Double-layer tablets tablet press machine-as institute of Pharmaceutical Research, institution of higher learning laboratory, drug research and development center, pharmaceutical factory and workshop batch production in double-layer tablets produce visual plant, applied more and more widely.Usually, the main working process of double-layer tablets tablet press machine comprise ground floor material filling, quantitatively, the operation such as precompressed and the filling of second layer material, quantitative, main pressure, slice.During tablet press machine work, upper and lower punch die is driven by punch plate and does clockwise or counterclockwise movement, do vertical upper and lower motion along with upper and lower guide rail respectively again simultaneously, when punch die moves to ground floor filled section, upper trimming die moves upward and walks around the material feeder of ground floor, simultaneously, lower punch die moves downward, lower punch die upper surface and middle nib form a cavity, and medicinal powder particle is inserted in middle mould cavity through feeder, completes the filling work procedure of ground floor material.After this upper trimming die moves downward, and lower punch die moves upward and completes the prepressing procedures of ground floor material simultaneously through the first main pinch roller in side.Then, the operations such as the filling of second layer material, main pressure are completed by same way, bilayer tablet after master is molded ejects middle punch plate working face through sheet guide, by slice baffle plate, bilayer tablet is imported sheet outlet device, punch plate each punch die that rotates a circle completes whole operations of once suppressing bilayer tablet.
Tablet press machine after long-play all can middle punch plate working face and on and upper punch work face of cylinder step on all can pile up some residual dust.Weigh a kind of win or lose of double-layer tablets tablet press machine, key sees that whether the bilayer tablet of compacting two-layer tablet line of demarcation is clear, neat, with or without mixed color phenomenon.For double-layer tablets tablet press machine, two-layer residual dust can not be cleared up in time and siphon away, along with the prolongation of tablet press machine running time, residual dust can get more and more, aggravate the cross pollution of two-layer storeroom, this causes the unintelligible and irregular main cause in double-layer tablets two-layer tablet colour mixture, line of demarcation.
Traditional double-layer tablets tablet press machine generally adopt dust exhaust apparatus and band dust-absorbing function sheet outlet device with the use of, remove residual dust with this.The part residual dust removing of middle punch plate working face and middle mould upper surface can siphon away by this gumming mode, but still has part residual dust can turn to subsequent processing with middle punch plate.The dust be attached on upper trimming die non-working surface siphons away because being eliminated away from dust exhaust apparatus.Tablet press machine is after long-play, and residual dust can increase gradually, causes material cross pollution situation in both sides to be aggravated, thus causes double-layer tablets two-layer tablet colour mixture, line of demarcation unintelligible, irregular.
Summary of the invention
For solving the problems of the technologies described above, the embodiment of the present invention provides a kind of tablet press machine air-flow powder-cleaning system, for removing the dust that tablet press machine produces in running.
A kind of tablet press machine air-flow powder-cleaning system, comprising: control system, injection system and dust pelletizing system, wherein, described control system comprises filtering pressure reducing valve, magnetic valve and tracheae; Described injection system comprises tracheae, pneumatic joint, pipe clamp and nozzle; Described dust pelletizing system comprises dust exhaust apparatus, dust collection pipeline and pipe joint; Be connected by tracheae between described control system with described injection system.
Preferably, described air-flow powder-cleaning system comprises outside vacuum cleaner further, and described outside vacuum cleaner is connected by dust collection pipeline with between dust pelletizing system, the dust that described outside vacuum cleaner traps in order to draw described dust pelletizing system.
The technique scheme that the embodiment of the present application adopts can reach following beneficial effect: install the press of the clear powder device of air-flow additional in running, be arranged on four nozzles between tablet press machine both sides feeding device and sheet outlet device respectively, in point, outside two-way is to remaining in middle mould upper surface, middle punch plate working face and the dust be attached on upper trimming die step non-working surface carry out omnibearing airflow winding-up, thoroughly all residual dust are blown off, the dust that air-flow blows afloat is cleared up respectively by the dust exhaust apparatus of both sides and is siphoned away, guarantee that two kinds of dust hiked up do not drop down onto other places and cause cross pollution.Therefore, install the double-layer tablets press of the clear powder device of air-flow additional, even if long-time accumulative operation, the double-layer tablets of compacting also there will not be two-layer tablet colour mixture, unintelligible, the irregular phenomenon in line of demarcation.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present application, and form a application's part, the schematic description and description of the application, for explaining the application, does not form the improper restriction to the application.In the accompanying drawings:
The tablet press machine air-flow powder-cleaning system schematic diagram that Fig. 1 provides for the embodiment of the present application;
The scheme of installation of tablet press machine air-flow powder-cleaning system on double-layer tablets tablet press machine that Fig. 2 provides for the embodiment of the present application;
The control system schematic diagram of the tablet press machine air-flow powder-cleaning system that Fig. 3 provides for the embodiment of the present application;
The injection system schematic diagram of the tablet press machine air-flow powder-cleaning system that Fig. 4 provides for the embodiment of the present application;
The dust pelletizing system schematic diagram of the tablet press machine air-flow powder-cleaning system that Fig. 5 provides for the embodiment of the present application.
Detailed description of the invention
For making the object of the application, technical scheme and advantage clearly, below in conjunction with the application's specific embodiment and corresponding accompanying drawing, technical scheme is clearly and completely described.Obviously, described embodiment is only some embodiments of the present application, instead of whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the application's protection.
Double-layer tablets is generally that different types of particle is inserted according to precedence the tablet that middle nib is pressed into.Every one deck of double-layer tablets all controls weight by independent quality control apparatus and material framework.Double-layer tablets has the following advantages: 1. can separate the medicine of enable generation incompatibility; 2. can by manually regulating to the amount of slowly-releasing in tablet and immediate release component; 3. a medicine material for different colours is easy to difference and good looking appearance.And tablet press machine will produce dust in the course of the work, along with the prolongation of tablet press machine running time, residual dust can get more and more, aggravate the cross pollution of two-layer storeroom, and cause double-layer tablets tablet colour mixture, line of demarcation unintelligible and irregular, if do not removed in time by the dust produced in tablet press machine running, lose the advantage of double-layer tablets the most at last.
The main working process of double-layer tablets tablet press machine comprises the filling of ground floor material, the precompressed of quantitative, ground floor material of ground floor material and the filling of second layer material, the operation such as quantitative, main pressure, slice of second layer material.The dust that tablet press machine produces in the course of the work causes primarily of following 3 kinds of situations: 1. tablet press machine force the gap generally having between feeder bottom surface and middle punch plate working face and be highly less than or equal to 0.1 millimeter, the object leaving gap scratches to prevent middle punch plate working face from producing with feeder bottom surface in rotary course, therefore feeder is feeding in raw material in process to middle mould cavity, the part fine powder contacted with middle punch plate working face can with the rotation of middle punch plate, feeder (material all can produce a certain amount of fine powder by forcing reinforced or pelletization of transfer wheel) is fled from from the gap location between feeder bottom surface and middle punch plate working face, the dust of fleeing to be attached on middle punch plate working face and to rotate to subsequent processing thereupon.2. central mould to be installed in middle punch plate after mould installing hole, middle mould upper surface is lower than middle punch plate working face 0.02 millimeter, this will produce again a gap, feed in raw material in process giving middle mould cavity, have the gap location that some dust remain in middle mould upper surface and middle punch plate working face, along with punch plate rotates to subsequent processing.3. when the upper and lower punch die of tablet press machine enter simultaneously the main pinch roller of ground floor complete prepressing procedures or enter the main pinch roller of the second layer complete main pressure operation time, material in middle mould cavity all can by upper and lower punch die crushing failure at high speed, air in middle mould cavity between material particles, can be discharged by the gap between upper trimming die non-working surface and middle nib medial surface with the compression of material, that discharges with gas also has some dust, these dust fractions have dropped on middle punch plate working face, some can be attached on upper trimming die step non-working surface, along with punch plate and upper trimming die rotate to subsequent processing.
In order to thoroughly remove the dust that tablet press machine produces in the course of the work, below in conjunction with accompanying drawing 1 to 5, describe the technical scheme that the embodiment of the present application provides in detail.
A kind of tablet press machine air-flow powder-cleaning system, specifically see accompanying drawing 1, comprising: control system, injection system and dust pelletizing system, wherein, described control system comprises filtering pressure reducing valve, magnetic valve and tracheae; Described injection system comprises tracheae, pneumatic joint, pipe clamp and nozzle; Described dust pelletizing system comprises dust exhaust apparatus, dust collection pipeline and pipe joint; Be connected by tracheae between described control system with described injection system.
The workflow of this tablet press machine air-flow powder-cleaning system is: be first connected with outside vacuum cleaner by dust collection pipeline (being specially wired hose) by the pipe joint in dust pelletizing system; External air source is connected with the filtering pressure reducing valve in control system by tracheae (being specially nylon tracheae), described filtering pressure reducing valve there is air gauge, the air pressure of the air-flow through described filtering pressure reducing valve can be demonstrated, then adjust filtering pressure reducing valve air pressure to 0.1 ~ 0.3MPa.
Enter tablet press machine computer controlled interface, click the exclusive button on control flow, the exclusive button on control flow just can realize the State Transferring that magnetic valve is opened, stopped; Then the airtight situation of each air-path interface of injection system is checked; Change the angle of bend of four nozzles in injection system respectively, the blowing direction of adjustment nozzle, ensure that residual dust can all blow off by blast pass with this, and blowing direction is near the suction port of dust exhaust apparatus, under the powerful suction of outside vacuum cleaner, the dust that injection system blows afloat by dust exhaust apparatus traps removing in time and siphons away.
During tablet press machine preparation, first opens solenoid valve and outside vacuum cleaner, then tablet press machine is run, like this, blast pass is provided by external air source, entered by the entrance of filtering pressure reducing valve, through the filtration of filtering pressure reducing valve, go out moisture in blast pass and impurity, through the pressure adjusting of filtering pressure reducing valve, by the pressure adjusting of blast pass to suitable force value size, then the outlet through filtering pressure reducing valve leads to magnetic valve by tracheae, described magnetic valve is equivalent to an AFS, the unimpeded of blast pass can be controlled or disconnect, blast pass through magnetic valve leads to injection system by tracheae.
First the blast pass entering injection system is divided into upper and lower two strands of blast pass equably through a threeway pneumatic joint, then divided equally respectively by threeway pneumatic joint again by two strands of blast pass after shunting, like this, last by four strands of equal for formation air pressure blast pass from top to bottom, these blast pass are through pneumatic crossover sub, the nozzle of injection system is finally led to by nylon tracheae, and the residual dust being blowed to the upper surface of mould in tablet press machine, middle punch plate working face by nozzle and be attached on upper trimming die non-working surface.Here, no matter be threeway pneumatic joint or pneumatic crossover sub, be all the shunting of blast pass or the effect of guiding connection, therefore can be referred to as pneumatic joint.
In order to thoroughly remove the dust that tablet press machine produces, being only inadequate by control system and injection system, also needing dust pelletizing system to complete the final absorption function of dust.In injection system, the material of nozzle is copper, there is good ductility, therefore the angle of bend of four nozzles in injection system can be changed respectively, the blowing direction of nozzle is adjusted with this, ensure that residual dust can all blow off by blast pass with this, and blowing direction is near the suction port of dust exhaust apparatus.Dust exhaust apparatus in dust pelletizing system has larger suction inlet, and described dust exhaust apparatus is communicated with outside vacuum cleaner by dust collection pipeline, outside vacuum cleaner has powerful suction by producing very large negative pressure at the suction inlet place of dust exhaust apparatus, therefore, through the dust that injection system blows afloat, dust that just injection system blows afloat can trap in time completely, and removed by outside vacuum cleaner and siphon away.When tablet press machine prepares to shut down, first stop tablet press machine, rear shut electromagnetic valve and outside vacuum cleaner.
By above-mentioned tablet press machine air-flow powder-cleaning system, when the material of tablet press machine compacting different qualities, observe the cleaning situation of the rear middle punch plate working face of blast pass winding-up and upper punch non-working surface residual dust, the air pressure of suitable adjustment filtering pressure reducing valve, because residual dust just can blow unclean when winding-up air pressure is too small, winding-up air pressure is crossed conference and is blown off to other places by dust, all can cause the cross pollution of two-layer material, winding-up air pressure is adjusted to residual dust can being blown off also does not blow off to other places just can.Install the double-layer tablets tablet press machine of this tablet press machine air-flow powder-cleaning system like this additional, largely avoided two-layer material cross-contamination phenomena, even if make, tablet press machine is accumulative for a long time to be run, and the double-layer tablets of compacting also there will not be two-layer tablet colour mixture, unintelligible, the irregular phenomenon in line of demarcation.
Dust pelletizing system is connected to form by the identical dust exhaust apparatus, dust collection pipeline, pipe joint etc. of two covers as seen from Figure 5.
Wherein, the dust that dust exhaust apparatus is used for being blown afloat by the nozzle of injection system carries out suction trapping, mainly contains and is welded by corrosion resistant plate and stainless steel tube;
Dust collection pipeline is the pipeline liquid injecting device connected to form by wired hose, pipe clamp, for completing the connection of each aspiration of outside vacuum cleaner and dust pelletizing system and internal system.Pipe clamp is by wired hose and the fastening element with sealing of each pipe joint;
Pipe joint is processed by stainless steel tube, and totally 2 covers are fixed on tablet press machine Rear Door by screw, are connected respectively by dust collection pipeline with both sides dust exhaust apparatus and outside vacuum cleaner.
By the dust pelletizing system that the embodiment of the present application provides, complete airtight connection of outside vacuum cleaner and dust pelletizing system and each aspiration of internal system, the dust that trapping injection system blows afloat, and dust is pumped to outside vacuum cleaner by dust collection pipeline.
Control system is made up of filtering pressure reducing valve (band Pressure gauge), magnetic valve as seen from Figure 3.
Wherein, filtering pressure reducing valve is connected by screw the outside being fixed on tablet press machine Rear Door, filters blast pass, prevents moisture or impurity etc. from jetting in material, causes the pollution of material; When suppressing the material of different qualities in addition, the blast pass air pressure of needs is different, can be changed winding-up air pressure, guarantee that residual dust all blows afloat cleaning and siphons away, and do not descend slowly and lightly to other places by the adjusting pressuring knob on adjustment filtering pressure reducing valve.
Magnetic valve is mainly in order to control the break-make of blast pass in addition, completes control by double-layer tablets tablet press machine computer, by clicking exclusive button on conputer controlled screen, clicks connection or off-state conversion that described exclusive button just can realize magnetic valve.Before tablet press machine work, after first open electromagnetic valve, run tablet press machine, after tablet press machine work, shut electromagnetic valve after first shutting down.
By the control system that the embodiment of the present application provides, complete the filtration to blast pass, pressure regulate gentle circulation break control function.
Injection system is made up of nylon tracheae, pneumatic joint, pipe clamp, nozzle as seen from Figure 4.
Wherein, nylon tracheae be by pneumatic convey to the pipeline liquid injecting device of nozzle, complete the connection of outer gas stream and this tablet press machine air-flow powder-cleaning system and inner each airflow pipeline;
Pneumatic joint: threeway pneumatic joint Shi Jiang mono-road airflow pipeline divides the element to two-way airflow pipeline; Pneumatic crossover sub realizes the element that nylon tracheae is connected with nozzle conversion;
Nozzle: element residual dust being carried out to omnibearing airflow winding-up, totally four groups.Nozzle is made up of φ 4 copper pipe that quality is softer, by adjusting the angle of bend of nozzle, and the blowing direction of change nozzle.Nozzle one end is connected with pneumatic crossover sub, and the other end inner chamber is pressed into the ellipse that minor axis is about 1 ~ 1.5mm, increases air-flow and effectively to jet area, be convenient to residual dust all to blow afloat siphon away;
Pipe clamp: the element that nylon tracheae and nozzle are fixed by screw.
By the injection system that the embodiment of the present application provides, complete being connected and fixed of each airflow pipeline of external air source, outside primary air divided to the first/bis-floor medial and lateral four road air-flow, the function of middle mould upper surface, middle punch plate working face and the residual dust be attached on upper trimming die non-working surface being carried out omnibearing airflow winding-up.
Adopt the tablet press machine air-flow powder-cleaning system that the embodiment of the present application provides, solve traditional double synusia tablet press machine after long-time accumulative operation, there is two-layer tablet colour mixture, unintelligible, the irregular problem in line of demarcation in the double-layer tablets of compacting, and this tablet press machine air-flow powder-cleaning system is mandatory clear powder, substantially increase compacting double-layer tablets quality; The control system of this tablet press machine air-flow powder-cleaning system is by tablet press machine conputer controlled, and control operation is easy; This tablet press machine air-flow powder-cleaning system applied range, by adjusting the air pressure of filtering pressure reducing valve, can adapt to the bilayer tablet compacting of different qualities material; By adjusting the blowing direction of nozzle, the double-layer tablets tablet press machine of different model can be adapted to, and method of adjustment is easy and simple to handle; The structure of this tablet press machine air-flow powder-cleaning system is simple, dismounting, easy to maintenance, and production cost is low.
These are only the embodiment of the application, be not limited to the application.To those skilled in the art, the application can have various modifications and variations.Any amendment done within all spirit in the application and principle, equivalent replacement, improvement etc., within the right that all should be included in the application.

Claims (6)

1. a tablet press machine air-flow powder-cleaning system, is characterized in that, comprising: control system, injection system and dust pelletizing system, wherein,
Described control system comprises filtering pressure reducing valve, magnetic valve and tracheae;
Described injection system comprises tracheae, pneumatic joint, pipe clamp and nozzle;
Described dust pelletizing system comprises dust exhaust apparatus, dust collection pipeline and pipe joint;
Be connected by tracheae between described control system with described injection system.
2. tablet press machine air-flow powder-cleaning system according to claim 1, it is characterized in that, comprise outside vacuum cleaner further, described outside vacuum cleaner is connected by dust collection pipeline with between dust pelletizing system, the dust that described outside vacuum cleaner traps in order to draw described dust pelletizing system.
3. tablet press machine air-flow powder-cleaning system according to claim 2, is characterized in that, described dust pelletizing system,
In order to trap the dust that blast pass blows afloat; With
In order to be connected with outside vacuum cleaner by dust collection pipeline.
4. tablet press machine air-flow powder-cleaning system according to claim 1, is characterized in that, described filtering pressure reducing valve,
In order to filter blast pass, prevent moisture or impurity winding-up in the material of tablet press machine; With
The pressure of adjustment blast pass.
5. tablet press machine air-flow powder-cleaning system according to claim 1, is characterized in that, described magnetic valve is in order to control connection or the disconnection of blast pass.
6. tablet press machine air-flow powder-cleaning system according to claim 1, is characterized in that, described injection system, in order to the dust on mould upper surface, middle punch plate working face and upper trimming die step non-working surface in tablet press machine of jetting.
CN201510729430.1A 2015-10-30 2015-10-30 Tablet press air current clear powder system Active CN105252807B (en)

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CN105252807B CN105252807B (en) 2017-09-05

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106273646A (en) * 2016-10-20 2017-01-04 北京新龙立科技有限公司 A kind of tablet machine
CN107053314A (en) * 2017-06-09 2017-08-18 北塘区军之印纸品加工厂 A kind of paper product processing cutting machine with self-cleaning function

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US5536331A (en) * 1993-07-31 1996-07-16 Korsch Pressen Gmbh Process for cleaning tabletting, pan-coating and granulating machines, especially rotary tabletting presses
CN203713097U (en) * 2014-01-21 2014-07-16 上海罗氏制药有限公司 Integrated system of tabletting machine
CN204035128U (en) * 2014-08-20 2014-12-24 山西云鹏制药有限公司 A kind of tablet press machine dust exhaust apparatus
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CN104525521A (en) * 2014-12-26 2015-04-22 云梦县福康轮胎设备制造有限公司 High-strength blowing, sucking and dust removal system
CN205112488U (en) * 2015-10-30 2016-03-30 北京新龙立科技有限公司 Clear powder system of tablet press air current

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Publication number Priority date Publication date Assignee Title
US5536331A (en) * 1993-07-31 1996-07-16 Korsch Pressen Gmbh Process for cleaning tabletting, pan-coating and granulating machines, especially rotary tabletting presses
CN104438218A (en) * 2013-09-16 2015-03-25 鸿富锦精密工业(深圳)有限公司 Dust removing device
CN203713097U (en) * 2014-01-21 2014-07-16 上海罗氏制药有限公司 Integrated system of tabletting machine
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106273646A (en) * 2016-10-20 2017-01-04 北京新龙立科技有限公司 A kind of tablet machine
CN107053314A (en) * 2017-06-09 2017-08-18 北塘区军之印纸品加工厂 A kind of paper product processing cutting machine with self-cleaning function

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