CN108904288B

CN108904288B - Circular tablet die mould device

Info

Publication number: CN108904288B
Application number: CN201810799710.3A
Authority: CN
Inventors: 张勇; 徐海东; 端木于良; 阮西亮
Original assignee: Anhui Changjiang Pharmaceutical Co ltd
Current assignee: Anhui Changjiang Pharmaceutical Co ltd
Priority date: 2018-07-20
Filing date: 2018-07-20
Publication date: 2020-08-25
Anticipated expiration: 2038-07-20
Also published as: CN108904288A

Abstract

The invention discloses a circular tablet profiling device, which comprises a main hydraulic cylinder, a hollow profiling box, a profiling device, a transmission device and an ejection device, wherein the upper end of the hollow profiling box is in an open shape, the lower end of the hollow profiling box is provided with a through hole, the side wall of the hollow profiling box is provided with two discharge holes, the profiling device comprises an upper pressing plate and a lower pressing plate, the upper end of the upper pressing plate is provided with an upper push rod, the lower end of the lower pressing plate is provided with a T-shaped push rod, the T-shaped push rod penetrates through the through hole, the transmission device comprises two symmetrical L-shaped rods, a U-shaped hinged rod and a transmission straight rod, a first rotating shaft is arranged in the U-shaped hinged rod, two ends of the bottom of the T-shaped push rod are symmetrical U-shaped hinged seats, a second rotating shaft is arranged in the U-shaped hinged seats, a U-shaped groove and a limiting rod are inwards arranged at the tail end of the L-shaped rod, after the compression molding, the tablet can be ejected out of the discharge hole through the ejection device, and a production cycle is completed.

Description

Circular tablet die mould device

Technical Field

The invention belongs to the technical field of tablet processing equipment, and particularly relates to a circular tablet profiling device.

Background

Tablets are common articles in life and are generally prepared by a tabletting method. When tabletting, the medicinal powder is firstly placed in a forming die, the forming die is generally a round hole or a square hole, then a punch of an upper die moves downwards and presses the raw material powder into a sheet shape or a ring shape together with the punch on a lower die, and finally the punch on the lower die pushes the pressed tablet out of a forming hole, thus completing the sequential tabletting process.

Application No.: 201510388480.8 discloses an automatic tablet pressing device, which comprises: the automatic feeding device comprises a base, a rotary table, a driving mechanism, a feeding mechanism, a profiling mechanism and a main controller, wherein the rotary table is mounted on the base and driven by the driving mechanism to rotate, a cavity is formed in the rotary table, and a sensor connected with the main controller is arranged on one side of the cavity; the main controller controls the driving mechanism, the feeding mechanism and the profiling mechanism to work; a feeding station and a profiling station are arranged on the base; the feeding mechanism is arranged at the feeding station and is used for injecting medicinal powder into the cavity; the pressing mechanism is arranged at the pressing station and used for carrying out tablet treatment on the medicinal powder in the cavity. The automatic feeding and compression molding machine is simple and reasonable in structure and high in automation degree, achieves the purposes of automatic feeding and compression molding, greatly improves the pharmaceutical efficiency, reduces the working strength of workers, and is suitable for the requirements of assembly line production; meanwhile, in the feeding process, the opening time of the electromagnetic valve is uniformly specified, so that the uniformity of adding the medicinal powder is ensured to a great extent.

Disclosure of Invention

The invention provides a circular tablet compression device which can realize rapid compression of circular tablets, and the tablets can be ejected out of a discharge hole through an ejection device after compression, so that a production cycle is completed.

In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a circular tablet die mould device, includes main hydraulic cylinder, hollow die mould case, die mould device, transmission and ejecting device, the upper end of hollow die mould case is the opening form, and its lower extreme is equipped with the through-hole, the symmetry is equipped with two discharge gates on the lateral wall of hollow die mould case, the die mould device includes top board and holding down plate, the top board upper end is equipped with the push rod, the push rod is connected with the telescopic link of main hydraulic cylinder, the lower extreme of holding down plate is equipped with T type push rod, T type push rod passes the through-hole, transmission includes two symmetrical L type poles, U type hinge bar and transmission straight-bar, the upper end and the push rod fixed connection of L type pole, be equipped with first pivot in the U type hinge bar, the bottom both ends of T type push rod are the U type hinge seat of symmetry, and be equipped with the second pivot in the U type hinge seat, be equipped with oval spout on the transmission straight-bar, The L-shaped rod comprises a first round hole and a second round hole, a U-shaped groove and a limiting rod are inwards arranged at the tail end of the L-shaped rod, the limiting rod penetrates through an oval sliding groove, a first rotating shaft penetrates through the first round hole, a second rotating shaft penetrates through the second round hole, the ejection device comprises a secondary hydraulic cylinder, and a push block is arranged at the tail end of a telescopic rod of the secondary hydraulic cylinder.

Preferably, the upper end of the hollow molding box is provided with a side-drawing funnel edge.

Preferably, the inner wall of the hollow molding box is symmetrically provided with two sliding grooves, the peripheral wall of the lower pressing plate is symmetrically provided with two sliding blocks, and the sliding blocks are arranged in the sliding grooves in a sliding manner.

Preferably, the upper pressing plate and the lower pressing plate are in contact fit with the inner wall of the hollow molding box.

Preferably, the size of the push block is smaller than that of the discharge ports, the two discharge ports are hinged with baffle plates, the baffle plate close to the push block rotates inwards, and the baffle plate far away from the push block rotates outwards.

The beneficial effect of adopting above technical scheme is: the invention relates to a circular tablet profiling device, which is in an initial standby state, raw materials are put into a hollow profiling box through a funnel edge, a main hydraulic cylinder is started, a telescopic rod of the main hydraulic cylinder pushes an upper push rod to move downwards, the upper push rod simultaneously pushes an upper pressure plate and an L-shaped rod to move downwards, a limiting rod in a U-shaped groove at the lower end of the L-shaped rod drives a transmission straight rod to rotate around a first rotating shaft in a U-shaped hinged rod, an elliptical sliding groove slides around the limiting rod, the distance regulation requirement of the transmission straight rod in the rotating process is met, the transmission straight rod pushes a T-shaped push rod upwards along with the L-shaped rod, the T-shaped push rod simultaneously pushes a lower pressure plate to move upwards, the upper pressure plate and the lower pressure plate move towards each other to complete the forming extrusion of the raw materials, then, the main hydraulic cylinder resets, the profiled tablets are positioned at the upper end of the lower pressure plate and move to the bottom of the hollow profiling box, and finally, the secondary hydraulic cylinder is started, and the telescopic rod pushes the push block to push the formed tablets out of the discharge hole, so that a one-time production process is completed.

Drawings

FIG. 1 is a side view of a schematic of the structure of the present invention;

FIG. 2 is a schematic structural view of the initial state of the present invention;

FIG. 3 is a schematic view of the present invention in a profiling operation;

FIG. 4 is a schematic view of the construction of the hollow molding box of the present invention;

FIG. 5 is a schematic view of the construction of the lower platen and T-shaped push rod of the present invention;

FIG. 6 is a schematic structural view of a U-shaped hinge rod of the present invention;

FIG. 7 is a schematic view of the construction of an L-shaped pole of the present invention;

fig. 8 is a schematic structural view of the transmission straight rod of the invention.

The automatic forming machine comprises a main hydraulic cylinder 1, a hollow forming box 2, a through hole 3, a discharge hole 4, an upper pressing plate 5, a lower pressing plate 6, an upper push rod 7, a T-shaped push rod 8, an L-shaped rod 9, a U-shaped hinged rod 10, a straight transmission rod 11, a first rotating shaft 12, a U-shaped hinged seat 13, a second rotating shaft 14, an oval sliding groove 15, a first round hole 16, a second round hole 17, a U-shaped groove 18, a limiting rod 19, a hydraulic cylinder 20, a push block 21, a funnel edge 22, a sliding groove 23, a sliding block 24 and a baffle 25.

Detailed Description

The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings for a purpose of helping those skilled in the art to more fully, accurately and deeply understand the concept and technical solution of the present invention and to facilitate its implementation.

As shown in fig. 1 to 8, the invention is a circular tablet profiling device, comprising a main hydraulic cylinder 1, a hollow profiling box 2, a profiling device, a transmission device and an ejection device, wherein the upper end of the hollow profiling box 2 is open, the lower end of the hollow profiling box 2 is provided with a through hole 3, two discharge holes 4 are symmetrically arranged on the side wall of the hollow profiling box 2, the profiling device comprises an upper pressing plate 5 and a lower pressing plate 6, the upper end of the upper pressing plate 5 is provided with an upper push rod 7, the upper push rod 7 is connected with a telescopic rod of the main hydraulic cylinder 1, the lower end of the lower pressing plate 6 is provided with a T-shaped push rod 8, the T-shaped push rod 8 penetrates through the through hole 3, the transmission device comprises two symmetrical L-shaped rods 9, a U-shaped hinged rod 10 and a transmission straight rod 11, the upper end of the L-shaped rod 9 is fixedly connected with the upper push rod 7, a first rotating shaft 12 is arranged in the U-shaped hinged rod 10, two symmetrical U-shaped hinged, and be equipped with second pivot 14 in the articulated seat of U type 13, be equipped with oval spout 15, first round hole 16 and second round hole 17 on the transmission straight-bar 11, the tail end of L type pole 9 inwards is equipped with U type recess 18 and gag lever post 19, gag lever post 19 passes oval spout 15, first pivot 12 passes first round hole 16, second pivot 14 passes second round hole 17, ejecting device includes inferior hydraulic cylinder 20, the end of inferior hydraulic cylinder 20's telescopic link is equipped with ejector pad 21.

In this embodiment, the upper end of the hollow molding box 2 is provided with the edge-type funnel edge 22, so that the feeding is facilitated, and the occurrence of sprinkling is reduced in the feeding process.

In this embodiment, the inner wall of the hollow molding box 2 is symmetrically provided with two sliding grooves 23, the peripheral wall of the lower pressing plate 6 is symmetrically provided with two sliding blocks 24, and the sliding blocks 24 are slidably disposed in the sliding grooves 23, so that the upper and lower sliding of the lower pressing plate 6 is more stable.

In this embodiment, the upper press plate 5 and the lower press plate 6 are in contact fit with the inner wall of the hollow molding box 2, so as to ensure that the raw materials are fully utilized.

In this embodiment, the size of the push block 21 is smaller than that of the discharge ports 4, the two discharge ports 4 are both hinged with the baffle 25, the baffle 25 close to the push block 21 rotates inwards, the baffle 25 far away from the push block 21 rotates outwards, when the raw materials are initially loaded, the raw materials are not dropped from the discharge ports 4, and when the ejection device is used for ejecting the formed tablets, the push block 21 is not hindered by the hinged manner.

Based on the above, the whole device of the circular tablet pressing device of the present invention is in the initial standby state, the raw material is put into the hollow pressing box 2 through the funnel edge 22, the main hydraulic cylinder 1 is opened, the telescopic rod thereof pushes the upper push rod 7 to move downward, the upper push rod 7 simultaneously pushes the upper pressing plate 5 and the L-shaped rod 9 to move downward, the limiting rod 19 in the U-shaped groove 18 at the lower end of the L-shaped rod 9 drives the transmission straight rod 11 to rotate around the first rotating shaft 12 in the U-shaped hinge rod 10, the elliptical chute 15 slides around the limiting rod 19, the distance regulation requirement of the transmission straight rod 11 in the rotation process is provided, the transmission straight rod 11 pushes the T-shaped push rod 8 upward along with the L-shaped rod 9, the T-shaped push rod 8 simultaneously pushes the lower pressing plate 6 to move upward, the upper pressing plate 5 and the lower pressing plate 6 move opposite to complete the forming extrusion of the raw material, and then the main hydraulic cylinder 1 is reset, the pressed tablets can be positioned at the upper end of the lower pressing plate 6, move to the bottom of the hollow pressing box 2 along with the lower pressing plate, finally the secondary hydraulic cylinder 20 is started, the telescopic rod pushes the push block 21 to push the formed tablets out of the discharge hole 4, and one-time production flow is completed.

The present invention has been described in connection with the accompanying drawings, and it is to be understood that the invention is not limited to the specific embodiments described above, but is intended to cover various insubstantial modifications of the invention based on the principles and technical solutions of the invention; the present invention is not limited to the above embodiments, and can be modified in various ways.

Claims

1. The utility model provides a circular tablet die mould device, includes main hydraulic cylinder, hollow die mould case, die mould device, transmission and ejecting device, its characterized in that: the upper end of the hollow profiling box is in an open shape, a through hole is formed in the lower end of the hollow profiling box, two discharge ports are symmetrically formed in the side wall of the hollow profiling box, the profiling device comprises an upper pressing plate and a lower pressing plate, an upper push rod is arranged at the upper end of the upper pressing plate and connected with a telescopic rod of a main hydraulic cylinder, a T-shaped push rod is arranged at the lower end of the lower pressing plate and penetrates through the through hole, the transmission device comprises two L-shaped rods, two U-shaped hinged rods and two transmission straight rods which are symmetrical, the upper end of each L-shaped rod is fixedly connected with the upper push rod, each U-shaped hinged rod is arranged below the bottom end face of the hollow profiling box, a first rotating shaft is arranged in a U-shaped groove opening of each U-shaped hinged rod, two ends of the bottom of each T-shaped push rod are symmetrical U-shaped hinged seats, a second rotating shaft is arranged in each U-shaped hinged seat, the L-shaped rod comprises a first round hole and a second round hole, a U-shaped groove and a limiting rod are inwards arranged at the tail end of the L-shaped rod, the limiting rod penetrates through an oval sliding groove, a first rotating shaft penetrates through the first round hole, a second rotating shaft penetrates through the second round hole, the ejection device comprises a secondary hydraulic cylinder, and a push block is arranged at the tail end of a telescopic rod of the secondary hydraulic cylinder.

2. A circular tablet compression device as claimed in claim 1, wherein: the upper end of the hollow molding box is provided with a side-drawing funnel edge.

3. A circular tablet compression device as claimed in claim 1, wherein: the inner wall of the hollow molding box is symmetrically provided with two sliding grooves, the peripheral wall of the lower pressing plate is symmetrically provided with two sliding blocks, and the sliding blocks are arranged in the sliding grooves in a sliding mode.

4. A circular tablet compression device as claimed in claim 1, wherein: the upper pressing plate and the lower pressing plate are in contact fit with the inner wall of the hollow molding box.

5. A circular tablet compression device as claimed in claim 1, wherein: the size of ejector pad is less than the size of discharge gate, all articulated baffle that is equipped with on two discharge gates, the baffle that is close to the ejector pad rotates inwards, and the baffle that keeps away from the ejector pad rotates outwards.