A pharmaceutical tabletting device

Abstract

The utility model relates to a kind of pharmaceutical tabletting device, including fixed die holder and rotating die holder, rotating die holder is rotationally arranged on fixed die holder and is intermittently rotated by rotating drive mechanism, rotating die holder is uniformly provided with N stamping holes in circumference, fixed die holder is uniformly provided with N / 2 blanking holes in circumference, wherein, N is even and blanking hole and stamping hole interval correspond;Rotating die holder upper side is equipped with support seat and support disc fixed on rack, support disc is uniformly provided with N / 2 portioning cylinder that can slide along support disc radial in circumference, the discharge port of portioning cylinder can correspond with part stamping hole and stagger with blanking hole, rotating die holder upper side is equipped with upper ring seat, and upper ring seat is sleeved on support seat outside and is lifted between rack by lifting mechanism, upper ring seat is equipped with multiple groups of flexible stamping assembly corresponding with stamping hole, multiple stations can be simultaneously pressed tablet continuously, and while tabletting operation, through station conversion, flexible stamping assembly can also automatically unload pressed tablet-shaped medicament, improve tabletting efficiency.

Description

TECHNICAL FIELD

[0001] The utility model relates to pharmaceutical tabletting equipment technical field, concretely relates to a pharmaceutical tabletting device. BACKGROUND

[0002] The tablet product in the medicine is widely used in the medical field because of easy to carry and convenient to take, and the existing medicinal material tabletting machine is one of the commonly used equipment for preparing medicine. The patent file with the publication number CN2190096030U discloses a medicinal material tabletting machine, which rotates through the first rotary disc and the second rotary disc, the pressure wheel sequentially presses the pressure column assembly downward to the punch channel to press the medicinal material in the punch channel, the first rotary disc and the second rotary disc continue to rotate, the tablet medicinal material falls from the discharge port when the tablet medicinal material runs to the discharge port of the fixed disc, and the multi-station continuous tabletting work can be realized, and the automatic discharge is realized. But in this way, only the medicinal material in one punch channel can be tabletted at a time, and the tabletting efficiency is still low, and when the tablet medicinal material rotates to the discharge port, the tablet medicinal material will be stuck in the punch channel, and the discharge cannot be realized. SUMMARY

[0003] To solve the above technical problems, the utility model provides a pharmaceutical tabletting device, which can simultaneously perform continuous tabletting on multiple stations, and through station conversion, the flexible punching assembly can also automatically discharge the pressed tablet medicinal material during the tabletting operation, thereby improving the tabletting efficiency.

[0004] The utility model discloses a pharmaceutical tabletting device, including fixed die holder and rotary die holder, the rotary die holder rotation is established in fixed die holder and is through rotation drive mechanism intermittent rotation, the rotary die holder top is equipped with the support seat of being fixed in the frame, the support seat top is equipped with the support disc, the support disc top is equipped with N / 2 with the branch material cylinder of sliding along the support disc radial, the branch material cylinder's discharge port can correspond with part punch hole and with the discharge port stagger, the rotary die holder top is equipped with the upper ring seat of being set up in the support seat outside and with the frame between through the lifting mechanism lifting, the upper ring seat is equipped with with punch hole corresponding multiple group flexible punching assembly, the flexible punching assembly includes with the punch seat of upper ring seat fixed, the punch seat's lower extreme is equipped with the cavity big mouth small installation cavity, the installation cavity is equipped with the guide rod and the elastic piece of activity, the elastic piece's upper end is fixed with the installation cavity inner wall, bottom and the limit convex ring on the guide rod are fixed, the guide rod bottom stretches out the installation cavity with the pressure head fixed.

[0005] Further, the support disc is provided with a radial sliding groove, the distributing cylinder is slidably connected with the radial sliding groove through a sliding block, a lifting pull ring is sleeved on the support base, a pull rod is hinged on the pull ring, and the other end of the pull rod is hinged with the distributing cylinder.

[0006] Further, the inner diameter of the blanking hole is larger than the inner diameter of the stamping hole.

[0007] Further, the angle positioning structure is arranged between the fixed die seat and the rotating die seat.

[0008] Further, the angle positioning structure comprises an annular guide groove arranged on the fixed die seat, a positioning ball structure is arranged in the annular guide groove, and N positioning holes matched with the positioning ball structure are uniformly arranged on the lower surface of the rotating die seat.

[0009] Further, the lifting mechanism comprises a gas cylinder arranged on the rack, and the output end of the gas cylinder is fixed with the upper ring seat.

[0010] Further, the rotating driving mechanism adopts a servo motor.

[0011] The beneficial effects of the utility model are as follows: the rotating die seat is uniformly provided with N stamping holes, the fixed die seat is uniformly provided with N / 2 blanking holes, when the rotating die seat is intermittently rotated on the fixed die seat, since the stamping holes and the blanking holes are uniformly distributed along the circumference, part of the stamping holes can be matched with the blanking holes, at this time, the tablet-shaped medicaments in the stamping holes can be unloaded; the other part of the stamping holes is staggered with the blanking holes, at this time, the powder raw materials are injected into the stamping holes, and the tabletting operation is carried out. After the tabletting is completed, the rotating die seat is rotated again, the stamping holes after unloading are staggered with the blanking holes, the powder raw materials are injected again for tabletting, and the stamping holes with the tablet-shaped medicaments are rotated to correspond to the blanking holes for unloading, and the process is repeated, so that the multiple stations can be continuously tabletted and unloaded, and the efficiency of the pharmaceutical tabletting is improved.

[0012] The rotating die seat is provided with a support base and a support disc fixed on the rack, the support base and the support disc support the distributing cylinder, and the distributing cylinder is used for feeding the stamping hole which needs to be tabletted. The distributing cylinder is provided with N / 2 and slides along the radial direction of the support disc, when the feeding of the stamping hole is needed, the distributing cylinder slides away from the center of the support disc, so that the discharge port of the distributing cylinder corresponds to the stamping hole which needs to be fed, after the feeding is completed, the distributing cylinder slides towards the center of the support disc to make way for the pressing of the upper ring seat.

[0013] The upper ring seat is provided with a plurality of groups of flexible stamping assemblies corresponding to the stamping holes, when the upper ring seat is driven by the lifting mechanism to press downward, the flexible stamping assemblies unload the sheet-shaped medicaments in the stamping holes corresponding to the discharging holes, at this time, due to the arrangement of the elastic members, when the pressing head contacts the sheet-shaped medicaments and presses downward, the elastic members are compressed, in the process of continuous pressing of the upper ring seat, the pressure gradually increases, the elastic members push the pressing head to act on the sheet-shaped medicaments in the stamping holes, so that the sheet-shaped medicaments move to the discharging holes to be unloaded; the sheeting operation is performed on the powdery raw materials in the stamping holes staggered with the discharging holes, when the pressing head continuously presses downward and contacts the powdery raw materials, the elastic members are compressed until the upper surface of the pressing head abuts against the outer wall of the mounting cavity, the flexible stamping assembly continuously presses downward to perform the sheeting on the powdery raw materials in the stamping holes, so that the powdery raw materials are uniformly stressed and the sheeting effect is good.

[0014] In summary, the automatic feeding can be realized, a plurality of stations can be continuously sheeted at the same time, a plurality of formed sheet-shaped medicaments can be automatically unloaded at the same time through the station conversion, and the sheeting efficiency is improved.

[0015] The utility model will be further described in connection with the drawings and specific embodiments. DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the utility model;

[0017] Figure 2 It is a structural schematic diagram of the flexible stamping assembly pressing downward of the utility model;

[0018] Figure 3 It is Figure 2 the detail enlarged view of A.

[0019] In the drawings: 1-fixed die holder, 11-discharging hole, 12-annular guide groove, 13-positioning ball structure, 2-rotary die holder, 21-stamping hole, 22-positioning hole, 3-rotary drive mechanism, 4-supporting seat, 41-supporting disc, 411-radial sliding groove, 42-pull ring, 421-pull rod, 5-portioning cylinder, 6-upper ring seat, 61-cylinder, 7-flexible stamping assembly, 71-stamping seat, 72-mounting cavity, 73-guide rod, 74-elastic member, 75-limiting convex ring, 76-pressing head, 8-rack. DETAILED DESCRIPTION

[0020] The specific implementation scheme of the utility model will be described in detail with reference to the drawings.

[0021] With reference to Figures 1 to 3 , the utility model provides an embodiment of pharmaceutical tablet pressing device.

[0022] The application discloses a pharmaceutical tabletting device, which comprises a fixed die seat 1 and a rotating die seat 2, wherein the rotating die seat 2 is rotatably arranged on the fixed die seat 1 and is intermittently rotated by a rotating driving mechanism 3, the rotating die seat 2 is rotatably connected with the fixed die seat 1 through a bearing, and the fixed die seat 1 is fixed on a collecting box. Preferably, the rotating driving mechanism 3 adopts a servo motor, the output end of the servo motor is fixed with the rotating die seat 2, and the rotating die seat 2 is driven to intermittently rotate.

[0023] A plurality of stamping holes 21 are uniformly arranged on the rotating die seat 2 in a circumferential direction, a plurality of blanking holes 11 are uniformly arranged on the fixed die seat 1 in a circumferential direction, N is an even number, and the blanking holes 11 are correspondingly spaced from the stamping holes 21. Preferably, the inner diameter of the blanking hole 11 is larger than the inner diameter of the stamping hole 21, so that the tablet-shaped medicament pressed and formed in the stamping hole 21 can fall off. When the rotating die seat 2 is intermittently rotated on the fixed die seat 1, the stamping holes 21 and the blanking holes 11 are uniformly distributed in the circumferential direction, the blanking holes 11 are correspondingly spaced from the stamping holes 21, that is, part of the stamping holes 21 can be opposite to the blanking holes 11, at this time, the tablet-shaped medicament in the stamping hole 21 can be unloaded; the other part of the stamping holes 21 is staggered with the blanking holes 11, at this time, the powder raw material is injected into the stamping hole 21, and the tabletting operation is carried out.

[0024] A support seat 4 fixed on a rack 8 is arranged above the rotating die seat 2, a support disc 41 is arranged on the bottom of the support seat 4, a plurality of material distribution cylinders 5 which can slide in the radial direction of the support disc 41 are uniformly arranged on the support disc 41 in a circumferential direction, the discharge openings of the material distribution cylinders 5 can correspond to part of the stamping holes 21 and be staggered with the blanking holes 11. When the powder raw material needs to be injected into the stamping hole 21, the material distribution cylinder 5 slides to the direction away from the center of the support disc 41, so that the discharge opening of the material distribution cylinder 5 corresponds to the stamping hole 21 which needs to be injected with the powder raw material; after the injection is completed, the material distribution cylinder 5 slides to the direction close to the center of the support disc 41, and the plurality of material distribution cylinders 5 are folded to the direction of the support seat 4 on the support disc 41, so as to make way for the pressing of the upper ring seat 6. Further, a radial sliding groove 411 is arranged on the support disc 41, the material distribution cylinder 5 is slidably connected with the radial sliding groove 411 through a sliding block, a lifting pull ring 42 is sleeved on the support seat 4, a pull rod 421 is hinged on the pull ring 42, and the other end of the pull rod 421 is hinged with the material distribution cylinder 5. Further, the upper end of the pull ring 42 is fixed with the output section of a linear driving mechanism, the linear driving mechanism is fixed on the rack 8, the pull ring 42 is driven to move up and down by the linear driving mechanism, and the material distribution cylinder 5 is driven to move in the radial sliding groove 411. When the pull ring 42 moves downward, the pull ring 42 drives the material distribution cylinder 5 to move to the direction away from the center of the support disc 41 through the pull rod 421; when the material distribution cylinder 5 moves to the outer edge of the support disc 41, the discharge opening of the material distribution cylinder 5 corresponds to the stamping hole 21 which needs to be injected with the powder raw material; after the injection is completed, the linear driving mechanism drives the pull ring 42 to move upward, and the material distribution cylinder 5 is folded to the direction close to the center of the support disc 41 in the radial sliding groove 411.

[0025] The rotating die seat 2 is provided with an upper ring seat 6 sleeved outside the support seat 4 and lifted by a lifting mechanism between the frame 8, the upper ring seat 6 is provided with N groups of flexible stamping assemblies 7 corresponding to the stamping holes 21, that is, the N groups of flexible stamping assemblies 7 are uniformly arranged along the circumference of the upper ring seat 6. When the upper ring seat 6 is pressed down under the driving of the lifting mechanism, the flexible stamping assemblies 7 unload the sheet-shaped medicaments in the stamping holes 21 corresponding to the blanking holes 11 and press the powdery raw materials in the stamping holes 21 staggered with the blanking holes 11. Further, the lifting mechanism includes a cylinder 61 arranged on the frame 8, the output end of the cylinder 61 is fixed with the upper ring seat 6, the upper ring seat 6 is driven by the cylinder 61 to move up and down, and in turn the flexible stamping assemblies 7 are driven to move up and down to unload or press the tablets.

[0026] Further, the flexible stamping assembly 7 includes a stamping seat 71 fixed with the upper ring seat 6, the lower end of the stamping seat 71 is provided with a mounting cavity 72 with a large cavity and a small opening, a guide rod 73 and an elastic member 74 are movably arranged in the mounting cavity 72, the upper end of the elastic member 74 is fixed with the inner wall of the mounting cavity 72, the bottom end is fixed with a limiting convex ring 75 on the guide rod 73, and the bottom of the guide rod 73 extends out of the mounting cavity 72 and is fixed with a pressing head 76. At this time, due to the arrangement of the elastic member 74, when the pressing head 76 contacts the sheet-shaped medicaments, the elastic member 74 is compressed. During the continuous pressing of the upper ring seat 6, the pressure gradually increases, the elastic member 74 pushes the pressing head 76 to act on the sheet-shaped medicaments in the stamping hole 21, so that the sheet-shaped medicaments move to the blanking hole 11, facilitating unloading. For the powdery raw materials in the stamping hole 21 staggered with the blanking hole 11, when the pressing head 76 continuously presses down and the pressing head 76 contacts the powdery raw materials, the elastic member 74 is compressed until the upper surface of the pressing head 76 abuts against the outer wall of the mounting cavity 72. The continuous pressing of the flexible stamping assembly 7 on the powdery raw materials in the stamping hole 21 can make the powdery raw materials bear uniform stress, and the tablet pressing effect is good.

[0027] In some embodiments, angle positioning structures are arranged between the fixed die seat 1 and the rotating die seat 2, facilitating the alignment or staggering between the stamping holes 21 and the blanking holes 11 and the discharge ports of the distribution barrels 5.

[0028] For example, in the embodiment, the stamping holes 21 are arranged as 8, the blanking holes 11 are arranged as 4, and the corresponding distribution barrels 5 are arranged as 4. The blanking holes 11 and the stamping holes 21 are located on the same circumference.

[0029] Further, the angular positioning structure comprises a ring-shaped guide groove 12 arranged on the fixed die seat 1, and a positioning ball structure 13 is arranged in the ring-shaped guide groove 12, the positioning ball structure 13 comprises a mounting column, a sliding groove is arranged in the mounting column, a ball and an elastic element are movably arranged in the sliding groove, and the ball is partially arranged in the sliding groove, and the two ends of the elastic element are fixed with the bottom wall of the sliding groove and the ball, and the lower surface of the rotating die seat 2 is circumferentially and uniformly provided with N positioning holes 22 matched with the positioning ball structure 13. In the embodiment, the positioning holes 22 are eight, when the rotating die seat 2 is rotated by the driving mechanism 3, the ball is pressed and slides out of the positioning hole 22 and is retracted into the sliding groove, and when the rotating die seat 2 is rotated to the required position, the ball is clamped into the positioning hole 22 for positioning under the action of the elastic element. In this way, the rotating accuracy of the rotating die seat 2 can be improved, and the accuracy of the tabletting and feeding operations can be improved.

[0030] In use, the rotating die seat 2 is rotated to the positions that part of the stamping holes 21 correspond to the feeding holes 11 and part of the stamping holes 21 are offset from the feeding holes 11 under the action of the driving mechanism 3, the linear driving mechanism drives the pull ring 42 to move downward, drives the distribution cylinder 5 to move to the edge of the support disc 41 in the direction of the outer diameter of the support disc 41, and makes the discharge port of the distribution cylinder 5 correspond to the stamping hole 21 which needs to be fed, after the distribution cylinder 5 feeds the stamping hole 21, the linear driving mechanism drives the pull ring 42 to move upward and folds the distribution cylinder 5 to the support seat 4. Then the cylinder 61 drives the upper ring seat 6 to move downward, and the flexible stamping assembly 7 tablets the raw materials in the stamping holes 21 which are offset from the feeding holes 11 and discharges the tablet-shaped medicaments in the stamping holes 21 which correspond to the feeding holes 11. After the tabletting is completed, the rotating die seat 2 is rotated again, the stamping holes 21 which are discharged correspond to the feeding holes 11, the powder raw materials are injected again for tabletting, and the stamping holes 21 which remain tablet-shaped medicaments are rotated to correspond to the feeding holes 11, and the flexible stamping assembly 7 discharges when it is pressed downward. The process is repeated, and the multiple stations can be continuously tabletted and discharged, thereby improving the efficiency of the pharmaceutical tabletting.

[0031] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any suitable manner in any one or more embodiments or examples. In addition, the skilled in the art can combine and combine the different embodiments or examples described in the present specification and the features of the different embodiments or examples without contradiction.

[0032] The above merely describes preferred embodiments of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art will appreciate that the technical solutions recorded in the foregoing embodiments can be modified, or some technical features thereof can be replaced equivalently. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A pharmaceutical tabletting device, characterized in that, The device comprises a fixed die seat (1) and a rotating die seat (2), the rotating die seat (2) is rotatably arranged on the fixed die seat (1) and is intermittently rotated by a rotating drive mechanism (3), the rotating die seat (2) is uniformly provided with N stamping holes (21) in the circumferential direction, the fixed die seat (1) is uniformly provided with N / 2 blanking holes (11) in the circumferential direction, wherein N is an even number and the blanking holes (11) correspond to the stamping holes (21) at intervals. A supporting seat (4) is arranged above the rotating die seat (2) and is fixed to a rack (8), the bottom of the supporting seat (4) is provided with a supporting disc (41), the supporting disc (41) is uniformly provided with N / 2 distribution barrels (5) which can slide in the radial direction of the supporting disc (41), the discharge port of the distribution barrel (5) can correspond to part of the stamping holes (21) and is staggered with the blanking holes (11), An upper ring seat (6) is arranged above the rotating die seat (2) and is sleeved on the supporting seat (4), the upper ring seat (6) is lifted and lowered between the supporting seat (4) and the rack (8) by a lifting mechanism, the upper ring seat (6) is provided with N groups of flexible stamping assemblies (7) corresponding to the stamping holes (21), the flexible stamping assembly (7) comprises a stamping seat (71) fixed to the upper ring seat (6), the lower end of the stamping seat (71) is provided with a mounting cavity (72) with a large cavity and a small opening, a guide rod (73) and an elastic member (74) are movably arranged in the mounting cavity (72), the upper end of the elastic member (74) is fixed to the inner wall of the mounting cavity (72), the bottom end is fixed to a limiting convex ring (75) on the guide rod (73), and the bottom of the guide rod (73) extends out of the mounting cavity (72) and is fixed to a pressure head (76).

2. The pharmaceutical tabletting device according to claim 1, characterized in that A radial sliding groove (411) is arranged on the supporting disc (41), the distribution barrel (5) is slidably connected to the radial sliding groove (411) through a sliding block, a lifting pull ring (42) is sleeved on the supporting seat (4), a pull rod (421) is hingedly connected to the lifting pull ring (42), and the other end of the pull rod (421) is hingedly connected to the distribution barrel (5).

3. The pharmaceutical tabletting device according to claim 1, characterized in that The inner diameter of the blanking hole (11) is larger than the inner diameter of the stamping hole (21).

4. The pharmaceutical tabletting device according to claim 1, characterized in that An angle positioning structure is arranged between the fixed die seat (1) and the rotating die seat (2).

5. The pharmaceutical tabletting device according to claim 4, characterized in that The angle positioning structure comprises a ring-shaped guide groove (12) arranged on the fixed die seat (1), a positioning elastic ball structure (13) is arranged in the ring-shaped guide groove (12), and N positioning holes (22) are uniformly arranged on the lower surface of the rotating die seat (2) in the circumferential direction and are matched with the positioning elastic ball structure (13).

6. The pharmaceutical tabletting device according to claim 1, characterized in that The lifting mechanism comprises a gas cylinder (61) arranged on the rack (8), and the output end of the gas cylinder (61) is fixed to the upper ring seat (6).

7. The pharmaceutical tabletting device according to claim 1, characterized in that The rotating drive mechanism (3) adopts a servo motor.

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