CN210390206U

CN210390206U - Former is used in tablet production

Info

Publication number: CN210390206U
Application number: CN201920732109.2U
Authority: CN
Inventors: 倪红海
Original assignee: Xinhe Aid Pharmaceutical Ltd By Share Ltd
Current assignee: Xinhe Aid Pharmaceutical Ltd By Share Ltd
Priority date: 2019-05-21
Filing date: 2019-05-21
Publication date: 2020-04-24
Anticipated expiration: 2029-05-21

Abstract

The utility model relates to a former is used in tablet production, the test platform comprises a support, it is equipped with the mould dish to rotate on the frame, mould dish week side is equipped with the pre-compaction in proper order along its rotation direction, final pressure and demoulding mechanism, the pre-compaction, all be equipped with the shaping through-hole on the mould dish that final pressure and demoulding mechanism correspond, one side intercommunication that mould dish was kept away from to the pre-compaction mechanism has lower feed bin, be equipped with first screen cloth in the lower feed bin, one side downward sloping that demoulding mechanism kept away from the mould dish is equipped with swift current material pipe, swift current material intraductal its axial that is equipped with the second screen cloth, the swift current material pipe export intercommunication of second screen cloth top has the storage case, swift current material. The utility model relates to a rationally, sieve the raw materials with first screen cloth earlier, loop through the pre-compaction under the mould dish rotation again, press finally and demoulding mechanism carries out the press forming, improve shaping efficiency and quality greatly, carry out the dust through the second screen cloth at last and retrieve, improve material utilization and practice thrift manufacturing cost.

Description

Former is used in tablet production

Technical Field

The utility model belongs to the technical field of medicine tablet production, concretely relates to former is used in tablet production.

Background

The tablet is a flaky or specially-shaped flaky solid preparation which is prepared by uniformly mixing the medicament and auxiliary materials and then pressing. The tablet is mainly an oral common tablet, and also comprises a buccal tablet, a sublingual tablet, an oral patch, a chewable tablet, a dispersible tablet, an effervescent tablet, a quick-release or sustained-release or controlled-release tablet, an enteric-coated tablet and the like.

Tablets are generally manufactured by compression molding using a tablet press. The tablet press is an automatic continuous production apparatus for pressing granular materials into round, irregular or flaky materials with characters, symbols, figures and the like, has high yield, is suitable for mass production of tablets, and is widely used in the pharmaceutical industry. But traditional tablet press ubiquitous structure is complicated, production efficiency hangs down the scheduling problem, and it is shorter to the suppression time of tablet, and can't guarantee the weight balance of every part material, causes the tablet quality after the shaping not good, and the tablet after the shaping often carries a large amount of dusts simultaneously, if not handle in time, not only can bring the trouble for follow-up processing, influences whole production efficiency, has still wasted a large amount of raw materials, makes manufacturing cost increase, is unfavorable for the production development of enterprise. Disclosed in the patent application No. 201620157969.4 is a tablet preparation apparatus including at least a pulverizing mechanism and a tablet pressing mechanism, the tablet pressing mechanism including at least: the device comprises a pre-pressing assembly, a grinding mechanism and a feeding mechanism, wherein the pre-pressing assembly comprises a pre-pressing cavity, a blanking hopper and a pre-pressing rod, the stroke and the pressure of the pre-pressing rod in the vertical direction are adjustable, the lower end of the blanking hopper is communicated with the pre-pressing cavity, and the upper end of the blanking hopper is communicated with the grinding mechanism; and the final pressure assembly comprises a final pressure cavity, the upper side and the lower side of the final pressure cavity are respectively provided with a final pressure rod and a material ejecting rod which are matched with the final pressure cavity, and the pressure of the final pressure rod is adjustable. The tablet preparation equipment can ensure that the density of the formed tablet is uniform and the quality is better through two working procedures of pre-pressing and final pressing, but the formed tablet is not subjected to dust recovery treatment, so that the raw material waste is still large, and the efficiency of the adopted pushing mechanism is low and needs to be improved.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a former is used in tablet production sieves the raw materials with first screen cloth earlier, loops through pre-compaction, final pressure and demoulding mechanism again under the mould dish rotates and carries out the press forming, carries out the dust through the second screen cloth at last and retrieves to solve current tablet sheeting equipment production efficiency and low and the not good scheduling problem of shaping quality of raw materials utilization ratio.

In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a former for tablet production, includes the frame, it is equipped with the mould dish to rotate on the frame, mould dish week side is equipped with pre-compaction, final pressure and demoulding mechanism along its rotation direction in proper order, mould dish week side top is located to pre-compaction mechanism and final pressure mechanism, demoulding mechanism locates mould dish week side below, just all be equipped with the shaping through-hole on the mould dish that pre-compaction, final pressure and demoulding mechanism correspond, one side intercommunication that mould dish was kept away from to pre-compaction mechanism has the feed bin down, be equipped with first screen cloth in the feed bin down, one side orientation that demoulding mechanism kept away from the mould dish is equipped with swift current material pipe towards the direction downward sloping of keeping away from the mould dish, be equipped with the second screen cloth along its axial in the swift current material intraductal, the swift current material pipe export intercommunication of second screen cloth top has the storage case, the swift current material pipe export intercommunication.

Preferably, the prepressing mechanism comprises a blanking hopper arranged above the die disc, a first air cylinder is arranged above the blanking hopper, the first air cylinder and the blanking hopper are fixedly connected with the base through a connecting frame, a piston rod of the first air cylinder faces downwards and is vertically connected with a prepressing rod, and outlets in the bottoms of the prepressing rod and the blanking hopper correspond to the forming through holes and are matched with the forming through holes.

Preferably, the final pressure mechanism is including locating the roof of mould dish top, the vertical slide rail that is equipped with between roof lower surface and the frame, it is equipped with the slider to slide on the slide rail, the slider is close to the fixed mount pad that is equipped with on one side of mould dish, the mount pad lower surface corresponds the shaping through-hole is equipped with the final pressure pole, the four corners department of roof lower surface all links to each other with the frame is fixed through the stand.

Preferably, the mould plate part that demoulding mechanism corresponds stretches out the frame, demoulding mechanism includes the second cylinder, the second cylinder is vertical to be located on the frame side of its mould dish below that corresponds, the piston rod of second cylinder upwards and the vertical ejector pin that is connected with, the ejector pin corresponds the shaping through-hole, and its top end department orientation keeps away from the direction downward sloping of frame and is equipped with the inclined plane, be equipped with the rubber pad unanimous with its inclination on the inclined plane.

Preferably, the feed bin passes through the support to be fixed on the frame down, and its top is equipped with the feeder hopper, and its bottom is equipped with the discharge gate, the discharge gate is higher than the top import of blanking fill and through conveying pipeline and blanking fill top lateral wall intercommunication, the orientation downward sloping setting of prepressing mechanism is kept away from to first screen cloth orientation, is equipped with the bin outlet on its lower feed bin lateral wall that corresponds, be equipped with sealing door on the bin outlet.

Preferably, the material sliding pipe inlet corresponds to the die disc above the demolding mechanism, the top wall of the material sliding pipe inlet is higher than the top of the die disc, and the second screen at the material sliding pipe inlet is lower than the top of the die disc.

Preferably, the lower surfaces of the first screen and the second screen are provided with vibrators.

The utility model has the advantages that: the utility model has reasonable design and compact structure, firstly uses the first screen in the blanking bin to screen the raw material, ensures the uniform and proper granularity of the raw material and can greatly improve the forming quality of the tablet; the raw materials are conveyed into a blanking hopper, and a first cylinder drives a pre-pressing rod to perform quantitative pre-pressing, so that the weight of the tablets can be kept consistent during final pressing, the thickness of the tablets is uniform, a uniform specification is formed, the finished product qualification rate of the tablets is improved, and the subsequent production and sale of the finished tablet products are facilitated; then the pre-pressed material is driven by the die disc to firstly rotate to a final pressing mechanism for final pressing forming, then the pre-pressed material is rotated to a demolding mechanism, and a second air cylinder of the demolding mechanism drives an ejector rod to eject the formed tablet out of the die disc to a material sliding pipe for discharging, so that the pre-pressing, the final pressing and the demolding discharging of the tablet can be sequentially realized through the rotation of the die disc, the continuous automatic production is facilitated, and the production efficiency is greatly improved; finally, the formed tablets entering the material sliding pipe can be screened out of dust carried by the formed tablets under the action of the second screen, and the formed tablets are recycled, so that the raw material utilization rate can be greatly improved, the production cost is reduced, and the production development of enterprises is facilitated.

Drawings

Fig. 1 is a schematic front view of the present invention;

fig. 2 is a schematic structural diagram of the blanking bin and the pre-pressing mechanism of the present invention;

fig. 3 is a schematic structural diagram of the final pressing mechanism of the present invention;

fig. 4 is a schematic structural diagram of the final pressing mechanism of the present invention.

Reference numbers in the figures: the device comprises a base 1, a die disc 2, a blanking bin 3, a first screen, a prepressing mechanism 5, a final pressing mechanism 6, a forming through hole 7, a demoulding mechanism 8, a material sliding pipe 9, a second screen, a vibrator 11, a dust collecting box 12, a material storage box 13, a blanking hopper 14, a prepressing rod 15, a connecting frame 16, a first air cylinder 17, a feeding hopper 18, a discharging opening 19, a sealing door 20, a support 21, a discharging opening 22, a feeding pipeline 23, a top plate 24, a sliding rail 25, a sliding block 26, a mounting seat 27, a final pressing rod 28, a stand 29, a second air cylinder 30, a material ejecting rod 31, an inclined plane 32 and a rubber pad 33.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments:

as shown in fig. 1 to 4, a tablet production molding machine includes a housing 1 for supporting and fixing various components. The base 1 is provided with the die disc 2 in a rotating mode and is used for being matched with the tablet to be pressed and formed, prepressing, final pressing and demolding in the tablet forming process can be sequentially achieved through rotation of the die disc 2, and production efficiency is improved. The periphery of the die disc 2 is sequentially provided with a prepressing mechanism 5, a final pressing mechanism 6 and a demolding mechanism 8 along the rotation direction of the die disc 2, the prepressing mechanism 5 and the final pressing mechanism 6 are arranged above the periphery of the die disc 2, the demolding mechanism 8 is arranged below the periphery of the die disc 2, and the die disc 2 corresponding to the prepressing mechanism 5, the final pressing mechanism 6 and the demolding mechanism 8 is provided with a forming through hole 7, so that materials can be prepressed, finally pressed, demolded and discharged in the forming through hole 7 successively through the rotation of the die disc 2, and tablets are pressed and molded. One side of the prepressing mechanism 5, which is far away from the die disc 2, is communicated with a blanking bin 3 for blanking. Be equipped with first screen cloth 4 in the feed bin 3 down, can sieve the raw materials earlier, guarantee that the granularity of raw materials is even, suitable, improve the shaping quality of tablet greatly. One side of the demoulding mechanism 8, which is far away from the mould disc 2, is provided with a material sliding pipe 9 which inclines downwards towards the direction far away from the mould disc 2 for discharging. The inlet of the material sliding pipe 9 corresponds to the part of the mould disc 2 above the demoulding mechanism 8, and the top wall of the inlet of the material sliding pipe 9 is higher than the top of the mould disc 2, so that the formed tablets can smoothly enter the material sliding pipe 9 after being demoulded and discharged. The material sliding pipe 9 is internally provided with a second screen 10 along the axial direction thereof for screening out dust carried on the formed tablets and recycling the dust, so that the utilization rate of raw materials can be greatly improved, the production cost is reduced, and the production development of enterprises is facilitated. One end of the second screen 10, which is positioned at the inlet of the material sliding pipe 9, is lower than the top of the die disc 2, so that the formed tablets can smoothly fall on the upper surface of the second screen 10 after entering the material sliding pipe 9, and the dust can be screened and recovered. The outlet of the material sliding pipe 9 above the second screen mesh 10 is communicated with a material storage box 13 for storing the formed tablets after dust removal, and the outlet of the material sliding pipe 9 below the second screen mesh 10 is communicated with a dust collection box 12 for recovering and reusing the screened dust, so that the utilization rate of raw materials is improved.

In this embodiment, the prepressing mechanism 5 comprises a drop hopper 14 arranged above the mould disc 2 to receive raw material from the lower silo 3. A first cylinder 17 is arranged above the blanking hopper 14 and used for providing prepressing power to realize prepressing. The first cylinder 17 and the blanking hopper 14 are fixedly connected with the base 1 through the connecting frame 16, so as to ensure the stability of the whole structure. The piston rod of the first cylinder 17 faces downwards and is vertically connected with a pre-pressing rod 15, and the raw materials are pre-pressed quantitatively through the pre-pressing rod 5. The outlets at the bottoms of the pre-pressing rod 15 and the blanking hopper 14 correspond to and are matched with the forming through hole 7, so that during work, the blanking hopper 14 receives raw materials, the first air cylinder 17 starts to work, the piston rod of the first air cylinder extends to drive the pre-pressing rod 15 to extend into and penetrate out of the blanking hopper 14, the raw materials are quantitatively extruded from the blanking hopper 14 and are discharged into the forming through hole 7 on the die disc 2 which is right below the pre-pressing rod, the forming through hole 7 is matched with the machine base 1 to form a pre-pressing cavity, and the pre-pressing rod 15 continuously falls and extends into the pre-pressing cavity to realize quantitative pre-pressing of the raw materials.

In this embodiment, the final-pressing mechanism 6 includes a top plate 24 disposed above the mold disc 2, a slide rail 25 is vertically disposed between a lower surface of the top plate 24 and the base 1, a slide block 26 is slidably disposed on the slide rail 25, a mounting seat 27 is fixedly disposed on one side of the slide block 26 close to the mold disc 2, and a final-pressing rod 28 is disposed on a lower surface of the mounting seat 27 corresponding to the forming through hole 7, so that during press forming, when the forming through hole 7 where the pre-pressed material is located is rotated to a position right below the final-pressing rod 28, the final-pressing mechanism 6 starts to operate, so that the final-pressing rod 28 moves downward on the slide rail 25 along with the slide block 26, at this time, the forming through hole 7 cooperates with the base 1 to form a final-pressing cavity, and the final-pressing rod 28. The four corners of the lower surface of the top plate 24 are fixedly connected with the machine base 1 through the upright posts 29, so that the whole structure is firm and stable.

In the present embodiment, the portion of the mold plate 2 corresponding to the demolding mechanism 8 extends out of the machine base 1 so as to be in a suspended state when the forming through hole 7 rotates to the position, so as to cooperate with the demolding mechanism 8 to discharge. The demoulding mechanism 8 comprises a second cylinder 30 for providing demoulding power. On the vertical side of locating its frame 1 below the mould dish 2 that corresponds of second cylinder 30, the piston rod of second cylinder 30 upwards and vertically is connected with ejector beam 31, ejector beam 31 corresponds shaping through-hole 7 for during the use, after shaping through-hole 7 at shaping tablet place rotated to ejector beam 31 directly over, second cylinder 30 began working, made its piston rod extension, drive ejector beam 31 and stretched into this shaping through-hole 7 in, with the ejecting shaping through-hole 7 of shaping tablet. The top end of the ejector rod 31 is provided with an inclined plane 32 which inclines downwards towards the direction far away from the machine base 1, so that the formed tablets can incline after being ejected out of the forming through hole 7 and automatically fall into the material sliding pipe 9 in an inclined manner, and demoulding and discharging are realized. The inclined plane 32 is provided with a rubber pad 33 with the same inclination angle as the inclined plane, so as to play a role in protection and avoid damage to the lower surface of the formed tablet when the inclined plane 32 ejects out of the formed tablet.

In this embodiment, lower feed bin 3 passes through support 21 to be fixed on frame 1 to guarantee the sound construction, the top of lower feed bin 3 is equipped with feeder hopper 18, and the bottom is equipped with discharge gate 22, is used for the feeding and the ejection of compact respectively. The discharge port 22 is higher than the top inlet of the blanking hopper 14 and is communicated with the top side wall of the blanking hopper 14 through a feeding pipeline 23, so that the raw materials in the blanking hopper 3 are smoothly and quickly conveyed into the blanking hopper 14, and the forming efficiency is improved. First screen cloth 4 orientation is kept away from prepressing mechanism 5's direction downward sloping setting, be equipped with bin outlet 19 on the lateral wall of its lower feed bin 3 that the lower extreme corresponds, and be equipped with sealing door 20 on the bin outlet 19, make the raw materials pass through the screening of first screen cloth 4 after, qualified raw materials can continue to fall to discharge gate 22, and carry to blanking fill 14 in through conveying pipeline 23, the great raw materials of granule then is blockked at the upper surface of first screen cloth 4, and pile up in bin outlet 19 department along the automatic flow of the first screen cloth 4 of slope, after the work a period, the accessible is opened sealing door 20 and is retrieved clearance simple structure promptly, high durability and convenient use, improve the raw materials utilization rate. The lower surfaces of the first screen 4 and the second screen 10 are provided with vibrators 11, so that a vibrating screen is formed, the screening speed can be increased, and the blockage caused by material accumulation is avoided.

The utility model discloses a use method: the utility model discloses when using, send into down feed bin 3 with the raw materials earlier, sieve through first screen cloth 4, qualified raw materials continues to fall to discharge gate 22 to in 23 transport to the blanking fill 14 of prepressing mechanism of conveying pipe way, the great raw materials of granule then is blockked at the upper surface of first screen cloth 4, and flow along the first screen cloth 4 of slope and pile up 19 departments at the bin outlet, after work a period, the accessible is opened sealing door 20 and is retrieved the clearance can. After the raw material enters the blanking hopper 14, the first cylinder 17 of the prepressing mechanism 5 starts to work, the piston rod thereof extends to drive the prepressing rod 15 to extend into and penetrate out of the blanking hopper 14, the raw material is quantitatively blanked into the forming through hole 7 on the die disc 2 which is right below the prepressing rod, at the moment, the forming through hole 7 is matched with the machine base 1 to form a prepressing cavity, and the prepressing rod 15 continuously falls and extends into the prepressing cavity to prepress the raw material. After the pre-pressing is finished, the first air cylinder 17 drives the pre-pressing rod 15 to return to reset, the die disc 2 rotates, the forming through hole 7 where the pre-pressed material is located is rotated to be right below the final pressing rod 28, at the moment, the forming through hole 7 is matched with the machine base 1 to form a final pressing cavity, the final pressing mechanism 6 starts to work, the final pressing rod 28 moves downwards on the sliding rail 25 along with the sliding block 26, and the final pressing rod 28 extends into the final pressing cavity to perform final pressing forming on the material. After the final pressing is finished, the final pressing rod 28 returns to reset, the die disc 2 rotates again, the forming through hole 7 where the formed tablet is located is rotated to be right above the ejector rod 31, the second air cylinder 30 on the demolding mechanism 8 starts to work, the piston rod of the second air cylinder extends to drive the ejector rod 31 to extend into the forming through hole 7, the formed tablet is ejected out of the forming through hole 7, and the formed tablet can automatically fall into the material sliding pipe 9 in an inclined mode due to the effect of the inclined surface 32 at the top end of the ejector rod 31. The formed tablets entering the material sliding pipe 9 continuously advance along the inclined material sliding pipe 9, under the action of the second screen 10, dust carried on the formed tablets is screened out, falls on the bottom of the material sliding pipe 9, automatically flows to an outlet at the lower part of the material sliding pipe 9, is recycled by the dust collecting box 12, and the formed tablets without the dust continuously advance to an outlet at the upper part of the material sliding pipe 9 and are collected and temporarily stored by the material storage box 13.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. A former for producing tablets comprises a machine base and is characterized in that a mould disc is rotationally arranged on the machine base, the periphery of the die disc is sequentially provided with a prepressing mechanism, a final pressing mechanism and a demoulding mechanism along the rotating direction, the prepressing mechanism and the final pressing mechanism are arranged above the periphery of the mould disc, the demoulding mechanism is arranged below the periphery of the mould disc, and the mould discs corresponding to the prepressing mechanism, the final pressing mechanism and the demoulding mechanism are all provided with forming through holes, one side of the prepressing mechanism far away from the mould disc is communicated with a discharging bin, a first screen is arranged in the blanking bin, a material sliding pipe is arranged on one side of the demoulding mechanism far away from the mould disc and inclines downwards towards the direction far away from the mould disc, a second screen is axially arranged in the material sliding pipe, a material sliding pipe outlet above the second screen is communicated with a material storage box, and a material sliding pipe outlet below the second screen is communicated with a dust collection box.

2. The former for producing tablets as claimed in claim 1, wherein the pre-pressing mechanism comprises a blanking hopper disposed above the die plate, a first cylinder is disposed above the blanking hopper, the first cylinder and the blanking hopper are both fixedly connected to the base through a connecting frame, a piston rod of the first cylinder faces downward and is vertically connected to a pre-pressing rod, and the pre-pressing rod and a bottom outlet of the blanking hopper correspond to and are matched with the forming through hole.

3. The former for producing tablets according to claim 1, wherein the final pressing mechanism comprises a top plate disposed above the mold disc, a slide rail is vertically disposed between a lower surface of the top plate and the machine base, a slide block is slidably disposed on the slide rail, a mounting base is fixedly disposed on a side of the slide block close to the mold disc, a final pressing rod is disposed on a lower surface of the mounting base corresponding to the forming through hole, and four corners of the lower surface of the top plate are fixedly connected with the machine base through vertical columns.

4. The forming machine for producing tablets as claimed in claim 1, wherein the mold plate corresponding to the mold-releasing mechanism is partially extended out of the machine base, the mold-releasing mechanism comprises a second cylinder vertically disposed on the side of the machine base below the corresponding mold plate, the piston rod of the second cylinder is upwardly and vertically connected with an ejector rod, the ejector rod corresponds to the forming through hole, and the top end of the ejector rod is provided with an inclined surface inclined downwardly in a direction away from the machine base, and the inclined surface is provided with a rubber pad corresponding to the inclined angle of the ejector rod.

5. The former as claimed in claim 2, wherein the lower bin is fixed on the base by a bracket, a feed hopper is provided at the top, a discharge port is provided at the bottom, the discharge port is higher than the top inlet of the blanking hopper and is communicated with the side wall of the top of the blanking hopper through a feeding pipeline, the first screen is inclined downwards towards the direction far away from the pre-pressing mechanism, a discharge port is provided on the side wall of the lower bin corresponding to the lowest position of the first screen, and a sealing door is provided on the discharge port.

6. The tablet forming apparatus of claim 1, wherein the chute inlet corresponds to the mold plate above the demolding mechanism, and wherein the top wall of the chute inlet is higher than the top of the mold plate, and the second screen at the chute inlet is lower than the top of the mold plate.

7. The tablet forming apparatus of claim 1, wherein the first and second screens have vibrators on their lower surfaces.