CN112046063A

CN112046063A - Tablet forming device

Info

Publication number: CN112046063A
Application number: CN202010898210.2A
Authority: CN
Inventors: 陆茜; 李金亮; 匡逸
Original assignee: Jiangxi Asia Pacific Science And Technology Development Co ltd
Current assignee: Jiangxi Asia Pacific Science And Technology Development Co ltd
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2020-12-08

Abstract

The invention belongs to the technical field of tablet processing, in particular to a tablet forming device, aiming at the technical problem that a die hole cannot be cleaned in time during demoulding to cause difficulty in later cleaning, the tablet forming device comprises a base with a hollow and integrally rectangular structure, three circular holes with the centers of circles on the same straight line are arranged in the middle of the upper surface of the base, a bearing fixing box with a cylindrical structure and a cavity is clamped in one circular hole in the middle of the base, symmetrical conical roller bearings are respectively embedded at the top end and the bottom end of the bearing fixing box, a same supporting tube is rotatably connected between the two conical roller bearings, and a stop block is arranged on the circumferential inner wall of the supporting tube close to the top end. When the granulating template rotates to the position above the cleaning frame in use, pills in the protective holes can be demoulded only by slightly pressing the forming frame downwards, and the cleaning of the die holes is synchronously completed, so that the working efficiency is improved.

Description

Tablet forming device

Technical Field

The invention relates to the technical field of tablet processing, in particular to a tablet forming device.

Background

The tablet press is mainly used for tablet process research in pharmaceutical industry, and the tablet press presses the granules into circular and special-shaped tablets with the diameter not more than 13mm and automatic continuous production equipment with characters, symbols and figures.

At present on the market to the medicine course of working, after pressing the tablet and finishing taking away the mould, often there are a lot of remaining medicine dusts on the tablet press surface, if not in time clear up not only can corrode the tablet press, still can pollute the medicine that carries out the preforming next time, and then influence the quality of medicine, moreover, at the preforming in-process, often can remain a large amount of medicine powders and not used, mostly all discarded, caused very big waste. Accordingly, one skilled in the art provides a rotary tablet press for tablet forming to solve the problems set forth in the background above.

The retrieved Chinese patent No. CN201922456269.1 discloses a tablet forming mechanism, which comprises a fixed support, a tablet forming structure positioned on the fixed support, an upper die structure positioned above the tablet forming structure and a lower die structure positioned below the tablet forming structure; the fixed bolster is including fixed roof and PMKD, and the four corners department between fixed roof and the PMKD all is connected with the support column, the vertical setting of support column. But this forming device needs powder to glue easily in filling the mould when getting it filled, if do not clear up it after the drawing of patterns at every turn, causes the influence to the moulding-die quality in later stage easily.

Disclosure of Invention

The invention provides a tablet forming device based on the technical problem that later cleaning is difficult due to the fact that a die hole cannot be cleaned in time during demolding.

The invention provides a tablet forming device, which comprises a base with a hollow and integrally rectangular structure, wherein three circular holes with the centers of circles in the same straight line are arranged in the middle of the upper surface of the base, a bearing fixing box with a cylindrical structure and a cavity is clamped in one circular hole in the middle, tapered roller bearings which are symmetrical to each other are respectively embedded at the top end and the bottom end of the bearing fixing box, a same supporting tube is rotatably connected between the two tapered roller bearings, a stop block is arranged on the circumferential inner wall of the supporting tube close to the top end, a compression spring is fixed on the upper surface of the stop block, a sliding column is fixed at the top end of the compression spring, two strip-shaped holes which are symmetrical to each other are arranged on the outer wall of the supporting tube close to the top end, rib plates which are in sliding connection with the strip-shaped holes are fixed on the outer wall of the sliding column, and forming frames are, and the inner wall joint of shaping frame has the granulation template, the upper surface of granulation template is opened has the guard aperture of equidistance distribution, and the joint has the support frame one and cleans the frame in two other round holes respectively, the bottom of supporting the frame one is fixed with the equidistance distribution and with the protruding awl of guard aperture interval looks adaptation, and the bottom of cleaning the frame is provided with the brush-holder stud that the equidistance distributes, and the circumference outer wall of brush-holder stud is close to the top and is fixed with the brush hair.

As a preferable scheme in the invention, an arched support frame is fixed at one end of the upper surface of the base, which is close to the support frame I, a cross beam is fixed at the top end of the arched support frame, and a guide barrel with a downward opening and a cuboid barreled structure is fixed at one end of the cross beam, which is far away from the arched support frame.

As a preferable scheme in the invention, the inside of the guide barrel is connected with a hydraulic ejector rod in a sliding manner, the top end of an extension rod of the hydraulic ejector rod is fixed on the top inner wall of the guide barrel, the bottom end of the hydraulic ejector rod is fixed with a pressing plate, and the lower surface of the pressing plate is fixed with lugs distributed equidistantly.

As a preferable scheme in the invention, a round angle matched with the section of the bump is formed at the opening at the top end of the guard hole.

As a preferable scheme in the invention, a driven gear is fixed on the circumferential outer wall of the supporting tube close to the bottom end, a stepping motor is clamped at the bottom of the base close to the middle, and a driving gear meshed with the driven gear is fixed at the top end of an output shaft of the stepping motor.

According to the preferable scheme of the invention, bearing mounting holes are formed in the bottom end of the cleaning frame and distributed at equal intervals, bearings matched with the diameter of the brush rod are embedded in the bearing mounting holes, and the bottom end of the brush rod is sleeved with the gear sleeve.

As a preferable scheme in the invention, the same double-sided rack is meshed between two adjacent rows of gear sleeves, and the double-sided rack is meshed with the gear sleeves on two sides of the double-sided rack.

As the preferable scheme in the invention, the same cross rod is fixed at the end parts of the three double-sided racks, and the middle part of one side of the cross rod, which is far away from the double-sided racks, is fixed with the tamping rod.

According to the preferable scheme of the invention, a guide plate which is in sliding connection with the tamping rod is fixed on the outer wall of the cleaning frame close to the bottom end, a notch is formed in the end part of the tamping rod, and a cam mandril mechanism is hinged in the notch.

The beneficial effects of the invention are as follows:

1. this tablet forming device, through setting up the brush-holder stud that the equidistance distributes in cleaning frame bottom, can rotate when the granulation template when cleaning the top of frame when using, only need press down gently the shaping frame can carry out the stripping to the pellet in protecting the hole to clear up synchronous completion to the nib simultaneously, improved work efficiency.

2. This tablet forming device through setting up the fillet at guard aperture top cross-section and lug looks adaptation, not only is favorable to the clamp plate to carry out the compaction to the powder in the guard aperture accurately, helps letting the lug dock with the guard aperture that corresponds fast moreover, reduces spilling of powder outward.

3. This tablet forming device, through setting up the two-sided rack that cup joints the tooth cover cooperation of brush-holder stud bottom and mesh with it, can be when the top brush hair of brush-holder stud uses the inner wall of guard aperture 1 when using, only need make a round trip to stimulate two-sided rack and can drive all brush-holder studs and begin the original place to rub, and then brush the inner wall of guard aperture and wipe, improved and cleaned efficiency.

4. This tablet forming device through the stamp rod and the cam ejector pin mechanism that set up, can need to drive the stamp rod and three two-sided racks when removing about when using, only needs to start cam ejector pin mechanism and can drive two-sided rack and take out, and then accomplishes rubbing with the hands and move the brush-holder stud.

The parts not involved in the device are the same as or can be realized by the prior art, and the threshing device has a novel structure and can quickly clean the die holes after threshing.

Drawings

Fig. 1 is a schematic cross-sectional view of a tablet forming apparatus according to the present invention;

FIG. 2 is a schematic view of a partial cross-sectional structure of a bearing fixing box of a tablet forming apparatus according to the present invention;

FIG. 3 is an enlarged schematic view of a tablet forming apparatus of the present invention at A in FIG. 1;

FIG. 4 is a schematic perspective view of a sweeping rod of a tablet forming apparatus according to the present invention;

fig. 5 is a schematic view of an assembly structure of a rack of a tablet forming apparatus according to the present invention.

In the figure: the device comprises a base 1, a first support frame 2, a first stepping motor 3, a support tube 4, a driven gear 5, bristles 6, a brush rod 7, a gear sleeve 8, a double-sided rack 9, a tamping rod 10, a guide plate 11, a cleaning frame 12, a bearing mounting hole 1201, a forming frame 13, a granulating template 14, a hole 1401, a rib plate 15, a sliding column 16, a compression spring 17, a strip-shaped hole 18, a hydraulic ejector rod 19, a pressing plate 20, a cross beam 21, a convex block 22, a convex cone 23 and a bearing fixing box 24.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example 1

Referring to fig. 1-5, a tablet forming device comprises a base 1 with a hollow and overall cuboid structure, three circular holes with the centers of circles in the same straight line are arranged in the middle of the upper surface of the base 1, a bearing fixing box 24 with a cylindrical structure and a cavity is clamped in one circular hole in the middle, tapered roller bearings which are symmetrical to each other are respectively embedded at the top end and the bottom end of the bearing fixing box 24, a same support tube 4 is rotatably connected between the two tapered roller bearings, a stop block is arranged on the circumferential inner wall of the support tube 4 close to the top end, a compression spring 17 is fixed on the upper surface of the stop block, a sliding column 16 is fixed at the top end of the compression spring 17, two strip-shaped holes 18 which are symmetrical to each other are arranged on the outer wall of the support tube 4 close to the top end, two rib plates 15 form sliding connection with the strip-shaped holes 18, and a forming frame 13 is fixed at the ends of the two, and the inner wall of the forming frame 13 is clamped with a granulating template 14, the upper surface of the granulating template 14 is provided with guard holes 1401 distributed at equal intervals, the other two round holes are respectively clamped with a support frame I2 and a cleaning frame 12, convex cones 23 distributed at equal intervals and matched with the guard holes 1401 are fixed at the bottom of the support frame I2, brush rods 7 distributed at equal intervals are arranged at the bottom of the cleaning frame 12, and brush bristles 6 are fixed at the peripheral outer wall of the brush rods 7 close to the top end, so that when the granulating template 14 rotates to the position above the cleaning frame 12 in use, pills in the guard holes 1401 can be stripped only by slightly pressing the forming frame 13 downwards, and the cleaning of the die holes is synchronously completed, and the working efficiency is improved.

In the invention, an arched support frame is fixed at one end of the upper surface of a base 1 close to a first support frame 2, a cross beam 21 is fixed at the top end of the arched support frame, and a guide barrel with a downward opening and a cuboid barreled structure is fixed at one end of the cross beam 21 far away from the arched support frame.

Wherein, the inside sliding connection of direction bucket has hydraulic pressure ejector pin 19, and the top of the extension rod of hydraulic pressure ejector pin 19 is fixed on the top inner wall of direction bucket, and the bottom of hydraulic pressure ejector pin 19 is fixed with clamp plate 20, and the lower surface of clamp plate 20 is fixed with equidistantly distributed lug 22.

The top opening of the guard hole 1401 is provided with a round angle matched with the section of the convex block 22, which is not only beneficial to the pressing plate 20 to accurately compact the medicine powder in the guard hole 1401, but also beneficial to the convex block 22 to be rapidly butted with the corresponding guard hole 1401, and the scattering of the medicine powder is reduced.

Wherein, the circumference outer wall of stay tube 4 is close to the bottom fixed with driven gear 5, and the bottom of base 1 is close to the middle part joint and has step motor 3, and step motor 3's output shaft top is fixed with the driving gear with 5 intermeshing of driven gear.

Wherein, the bottom of cleaning frame 12 is opened and is opened the bearing mounting hole that the equidistance distributes, and all inlays in the bearing mounting hole and is equipped with the bearing with brush-holder stud 7 diameter looks adaptation, and the tooth cover 8 is all cup jointed to the bottom of brush-holder stud 7.

The same double-sided rack 9 is meshed between two adjacent rows of gear sleeves 8, and the double-sided rack 9 is meshed with the gear sleeves 8 on two sides of the double-sided rack 9, so that when the top bristles 6 of the brush rods 7 act on the inner wall of the guard hole 1401 in use, all the brush rods 7 can be driven to start to rub in situ by pulling the double-sided rack 9 back and forth, the inner wall of the guard hole 1401 is brushed, and the cleaning efficiency is improved.

When the forming die is used, the forming frame 13 is rotated to the position above the convex cone 23, then the middle sliding column 16 is pressed, so that the convex cone 23 blocks the bottom of the protective hole 1401, then the medicinal powder is poured into the upper surface of the granulating die plate 14, after the medicinal powder is spread out, each protective hole 1401 is ensured to contain the medicinal powder, and then the pressing plate 20 is controlled to descend, so that the forming die can be used for tabletting: when the granulating template 14 rotates to the upper part of the cleaning frame 12, the pills in the protective holes 1401 can be demoulded only by slightly pressing the forming frame 13 downwards, and the cleaning of the die holes is synchronously completed, so that the working efficiency is improved.

Example 2

Referring to fig. 1 and 5, in this embodiment, compared with embodiment 1, the tablet forming apparatus further includes a same cross bar fixed to the end of the three double-sided racks 9, and a tamping rod 10 is fixed to the middle of one side of the cross bar away from the double-sided racks 9.

Wherein, the outer wall of cleaning frame 12 is close to the bottom and is fixed with the deflector 11 that forms sliding connection with tamper 10, and the tip of tamper 10 is opened jaggedly, and it has cam ejector pin mechanism to articulate in the breach to can move about tamper 10 and three two-sided racks 9 when using, only need start cam ejector pin mechanism and can drive two-sided rack 9 and twitch, and then accomplish the rubbing with the hands of brush-holder stud 7.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. A tablet forming device comprises a base (1) which is internally hollow and integrally in a cuboid structure, three circle centers in the middle of the upper surface of the base (1) are round holes in the same straight line, a bearing fixing box (24) which is internally provided with a cavity in a cylindrical structure is clamped in one round hole in the middle, tapered roller bearings which are symmetrical to each other are respectively embedded at the top end and the bottom end of the bearing fixing box (24), a same supporting tube (4) is rotatably connected between the two tapered roller bearings, a stop block is arranged on the circumferential inner wall of the supporting tube (4) close to the top end, a compression spring (17) is fixed on the upper surface of the stop block, a sliding column (16) is fixed at the top end of the compression spring (17), two strip-shaped holes (18) which are symmetrical to each other are formed on the outer wall of the supporting tube (4) close to the top end, and a rib plate (15) which is in sliding connection with the strip-shaped, the cleaning device is characterized in that the ends, far away from the sliding column (16), of the two rib plates (15) are fixed with forming frames (13), the inner walls of the forming frames (13) are connected with granulating templates (14) in a clamped mode, protecting holes (1401) distributed at equal intervals are formed in the upper surfaces of the granulating templates (14), support frames (2) and cleaning frames (12) are connected in two round holes in a clamped mode respectively, convex cones (23) distributed at equal intervals and matched with the protecting holes (1401) are fixed at the bottoms of the support frames (2), brush rods (7) distributed at equal intervals are arranged at the bottoms of the cleaning frames (12), and bristles (6) are fixed on the outer walls, close to the top ends, of the circumferences of the brush rods (7).

2. A tablet forming device according to claim 1, wherein an arched support frame is fixed on the upper surface of the base (1) near the end of the first support frame (2), a cross beam (21) is fixed on the top end of the arched support frame, and a guide barrel with a downward opening and a cuboid barreling structure is fixed on the end of the cross beam (21) far away from the arched support frame.

3. A tablet forming apparatus as claimed in claim 2, wherein the guide barrel is slidably connected with a hydraulic ram (19) inside, the top end of the extension rod of the hydraulic ram (19) is fixed on the top inner wall of the guide barrel, the bottom end of the hydraulic ram (19) is fixed with a pressing plate (20), and the lower surface of the pressing plate (20) is fixed with equally distributed projections (22).

4. A tablet forming apparatus according to claim 3, wherein the top opening of the guard aperture (1401) is rounded to match the cross-section of the projection (22).

5. A tablet forming apparatus according to claim 1, wherein a driven gear (5) is fixed to the outer circumferential wall of the support tube (4) near the bottom end, a stepping motor (3) is engaged with the bottom of the base (1) near the middle portion, and a driving gear engaged with the driven gear (5) is fixed to the top end of the output shaft of the stepping motor (3).

6. The tablet forming device according to claim 1, wherein the bottom end of the cleaning frame (12) is provided with bearing mounting holes distributed at equal intervals, bearings matched with the diameter of the brush rod (7) are embedded in the bearing mounting holes, and the bottom end of the brush rod (7) is sleeved with the gear sleeve (8).

7. A tablet forming device according to claim 6, characterized in that the toothed sleeves (8) of two adjacent rows are engaged by a single double-sided toothed rack (9), and the double-sided toothed rack (9) is engaged with the toothed sleeves (8) on both sides of the double-sided toothed rack.

8. A tablet forming device according to claim 7, characterized in that the same cross bar is fixed to the ends of three double-sided racks (9), and a tamper bar (10) is fixed to the middle of the side of the cross bar remote from the double-sided racks (9).

9. A tablet forming apparatus according to claim 8, wherein the cleaning frame (12) has a guide plate (11) fixed to the outer wall near the bottom end for sliding engagement with the tamper bar (10), and the tamper bar (10) has a notch in the end in which a cam follower mechanism is articulated.