Automatic screening device of rotary tablet press

Abstract

The utility model relates to the technical field of screening devices, in particular to an automatic screening device of a rotary tablet press, which comprises an outer frame, a sliding cylinder is slidably connected to the side face of the inner wall of the outer frame, a fixing plate is fixedly connected to the side face of the inner wall of the outer frame, and a hydraulic push rod is fixedly connected to the top of the fixing plate. The output end of the hydraulic push rod is fixedly connected with the sliding cylinder, a deflection plate is hinged to the side face of the inner wall of the sliding cylinder, a filter plate is fixedly connected to the side face of the deflection plate, and a swing assembly is arranged on the outer side of the sliding cylinder; the swing assembly comprises a hydraulic telescopic rod arranged on the outer side of the sliding cylinder. Through cooperative arrangement of a hydraulic push rod, a sliding cylinder and a filter plate, tablets are preliminarily sieved, through cooperative arrangement of a hydraulic telescopic rod, a connecting block, a sliding block, a deflection plate and the filter plate, materials are shaken, the tablets filtered out of the filter plate can be guided out of a discharging hole more smoothly, multi-stage filtration of the tablets can be achieved, and filtration is more thorough.

Description

TECHNICAL FIELD

[0001] The utility model relates to sieve material device technical field, especially relates to automatic sieve material device of rotary tablet press. BACKGROUND

[0002] In the pharmaceutical industry, rotary tablet press is widely used to press various pharmaceutical raw materials into tablets. However, the size of the tablets pressed from the pharmaceutical raw materials is different, and the filter screen is set to filter them, and the tablets of different sizes are screened according to actual needs.

[0003] For the related technology in the above, the defects of the existing sieve material are that the tablets pressed from the fibrous pharmaceutical raw materials have fibers on the surface, which may be wound around the mesh holes of the filter screen or interwoven, resulting in that the large particle tablets cannot be smoothly moved to the discharge port. Therefore, the utility model provides an automatic sieve material device for rotary tablet press. UTILITY MODEL CONTENTS

[0004] The purpose of the present application is to provide an automatic sieve material device for rotary tablet press to solve the problem that the tablets pressed from the fibrous pharmaceutical raw materials have fibers on the surface, which may be wound around the mesh holes of the filter screen or interwoven, resulting in that the large particle tablets cannot be smoothly moved to the discharge port.

[0005] To achieve the above purpose, the present application provides the following technical scheme: an automatic sieve material device for rotary tablet press, comprising an outer frame, a sliding cylinder is slidably connected to the inner wall side of the outer frame, a fixed plate is fixedly connected to the inner wall side of the outer frame, a hydraulic push rod is fixedly connected to the top of the fixed plate, the output end of the hydraulic push rod is fixedly connected with the sliding cylinder, a deflection plate is hingedly connected to the inner wall side of the sliding cylinder, a filter plate is fixedly connected to the side of the deflection plate, and a swing assembly is arranged on the outer side of the sliding cylinder.

[0006] Preferably, a guide hole is formed in the outer side of the sliding cylinder, the inner wall bottom of the guide hole is inclinedly arranged, and a discharge hole is formed in the outer side of the outer frame and matched with the guide hole.

[0007] Preferably, a fixed frame is fixedly connected to the bottom of the sliding cylinder, and the hydraulic telescopic rod is fixedly connected with the inner wall of the fixed frame.

[0008] Preferably, an inclined filter plate is fixedly connected to the inner wall side of the outer frame, and the filter hole diameter of the inclined filter plate is smaller than that of the filter plate.

[0009] Preferably, the outer side of the inclined filter plate is fixedly connected with a fixing block, the outer side of the fixing block is provided with a bolt, and the inner side of the fixing block and the inner side of the outer frame are both provided with threaded holes matched with the bolt.

[0010] Preferably, the outer side of the outer frame is provided with a dust extractor, the output end of the dust extractor is fixedly connected with a connecting pipe, the outer side of the connecting pipe is fixedly connected with a plurality of dust extraction pipes connected in communication, and the outer side of the outer frame is provided with a plurality of air grooves matched with the dust extraction pipes.

[0011] Preferably, the outer side of the outer frame is provided with a discharge port matched with the inclined filter plate, and the inner wall side of the outer frame is provided with a guide rail matched with the sliding cylinder.

[0012] In summary, the technical effects and advantages of the present application are as follows:

[0013] 1. In the present application, the combination of the hydraulic push rod, the sliding cylinder and the filter plate can preliminarily sieve the tablets, the combination of the hydraulic telescopic rod, the connecting block, the sliding block, the deflector plate and the filter plate can shake the materials, so that the filtered tablets on the filter plate can be more smoothly guided out of the discharge hole, and the multi-stage filtration of the tablets can be realized, and the filtration is more thorough.

[0014] 2. In the present application, the combination of the dust extractor, the connecting pipe and the dust extraction pipe can extract the dust generated when the tablets are shaken, so as to avoid the overflow of the dust and the pollution of the external environment, and the combination of the inclined filter plate, the fixing block and the bolt can facilitate the disassembly and installation of the inclined filter plate. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0016] Figure 1 It is a first perspective view of the structure of the present application.

[0017] Figure 2 It is a second perspective view of the structure of the present application.

[0018] Figure 3 It is a structure diagram of the sliding block, the connecting block and the hydraulic telescopic rod in the present application.

[0019] Figure 4 It is a structure diagram of the sliding cylinder and the guide hole in the present application.

[0020] In the figure: 1, the outer frame; 2, sliding cylinder; 3, dust collector; 4, connecting pipe; 5, dust extraction pipe; 6, discharge port; 7, inclined filter plate; 8, deflector plate; 9, filter plate; 10, fixed plate; 11, hydraulic push rod; 12, chute; 13, sliding block; 14, connecting block; 15, hydraulic telescopic rod; 16, fixed frame; 17, empty slot; 18, guide hole; 19, fixed block; 20, discharge hole. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0022] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "sleeved / connected", "connected" and the like should be understood in a broad sense. For example, "connected" can be fixedly connected, or can be detachably connected, or integrally connected. It can be mechanically connected, or electrically connected. It can be directly connected, or indirectly connected through an intermediate medium. It can be the communication between two elements. For those skilled in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0023] Embodiment one: reference Figures 1-4The illustrated rotary tablet press automatic screening device, including the outer frame 1, the outer frame 1 plays the role of overall support and protection, provides a stable installation basis and operating environment for the internal components, the inner wall side of the outer frame 1 is slidably connected with the sliding cylinder 2, the sliding cylinder 2 can slide up and down in the inner wall of the outer frame 1, the inner wall side of the outer frame 1 is fixedly connected with the fixed plate 10, the fixed plate 10 is used for fixedly installing the hydraulic push rod 11, and a stable support point is provided for the hydraulic push rod 11, the top of the fixed plate 10 is fixedly connected with the hydraulic push rod 11, the hydraulic push rod 11 can output power, and the output end is fixedly connected with the sliding cylinder 2, the up-and-down movement of the sliding cylinder 2 can be accurately controlled through the extension and retraction of the hydraulic push rod 11, the inner wall side of the sliding cylinder 2 is hingedly connected with the deflection plate 8, the deflection plate 8 can perform a deflection movement by a certain angle around the hinge point, the side of the deflection plate 8 is fixedly connected with the filter plate 9, the filter plate 9 plays a key role in filtering tablets, and according to the aperture size, tablets that meet the requirements can be screened out, and large particles or impurities that do not meet the requirements are blocked, so that the quality uniformity of the tablets is ensured, the outer side of the sliding cylinder 2 is provided with a swing assembly, and the swing assembly can make the deflection plate 8 produce a swing action; the swing assembly comprises a hydraulic telescopic rod 15 arranged on the outer side of the sliding cylinder 2, the hydraulic telescopic rod 15 can provide extension and retraction power, the output end is fixedly connected with a connecting block 14, the connecting block 14 plays a role in connecting and transmitting power, the outer side of the deflection plate 8 is slidably connected with a sliding block 13, the sliding block 13 can slide in a sliding groove 12 on the outer side of the deflection plate 8, and the connecting block 14 is hingedly connected with the sliding block 13; when the hydraulic telescopic rod 15 is extended and retracted, the sliding block 13 is driven to slide in the sliding groove 12 through the connecting block 14, so that the deflection plate 8 swings around the hinge point, and the tablets produce different directional movements on the filter plate 9, thereby avoiding the accumulation of tablets at a certain place on the filter plate 9, and improving the screening efficiency and quality; the outer side of the sliding cylinder 2 is provided with a material guiding hole 18, the material guiding hole 18 is used for guiding the tablets screened out, the inner wall bottom is inclined, the tablets can smoothly flow out by gravity, the outer side of the outer frame 1 is provided with a discharge hole 20 matched with the material guiding hole 18, so that the tablets can smoothly pass through the discharge hole 20 from the material guiding hole 18 and be discharged to the outside of the device, and enter the subsequent processing or collecting link; the bottom of the sliding cylinder 2 is fixedly connected with a fixed frame 16, the fixed frame 16 provides an installation position for the hydraulic telescopic rod 15, the hydraulic telescopic rod 15 is fixedly connected with the inner wall of the fixed frame 16, so that the hydraulic telescopic rod 15 is stably installed at the bottom of the sliding cylinder 2, and normal operation is ensured and the swing assembly is stably driven to work.

[0024] In this embodiment, the tablet guiding sliding cylinder 2, the filter plate 9 is initially in a horizontal state, the control hydraulic push rod 11 drives the sliding cylinder 2 to reciprocating lifting movement, the initial screening of the tablet, control hydraulic push rod 11 drive sliding cylinder 2 movement, make the material guiding hole 18 and discharge hole 20 alignment, control hydraulic telescopic rod 15 drive connecting block 14, sliding block 13 reciprocating movement, sliding block 13 drive deflection plate 8 deflection, deflection plate 8 drive filter plate 9 movement, make the filter plate 9 on the tablet guide export discharge hole 20, realize the multi-stage filtering of the tablet, and the filtering is more thorough.

[0025] Example two: reference Figures 1-4 , based on the same idea as the above embodiment one, this embodiment also proposes that the inner wall side of the outer frame 1 is fixedly connected with the inclined filter plate 7, the filter hole diameter of the inclined filter plate 7 is smaller than that of the filter plate 9, and the smaller filter hole diameter can first intercept larger particles of impurities or dust and other substances, prevent them from entering the subsequent filtering link, ensure the accuracy and effect of subsequent filtering, and the inclined design is beneficial to the filtered substances to slide to the discharge port 6 under the action of gravity, facilitating cleaning; the outer side of the inclined filter plate 7 is fixedly connected with the fixed block 19, the outer side of the fixed block 19 is provided with a bolt, the inner side of the outer frame 1 and the fixed block 19 are both provided with a threaded hole matched with the bolt, through the cooperation of the bolt and the threaded hole, the fixed block 19 can firmly fix the inclined filter plate 7 in the outer frame 1, prevent the displacement or shaking of the inclined filter plate 7 during the operation of the equipment, ensure the stability and reliability of its filtering function, and when it is necessary to clean, replace or maintain the inclined filter plate 7, the bolt can be conveniently disassembled, and the inclined filter plate 7 is taken out; the outer side of the outer frame 1 is provided with a dust extractor 3, the output end of the dust extractor 3 is fixedly connected with a connecting pipe 4, the outer side of the connecting pipe 4 is fixedly connected with a plurality of connected dust extraction pipes 5, the outer side of the outer frame 1 is provided with a plurality of air grooves 17 matched with the dust extraction pipes 5, the dust extractor 3 generates suction force when working, and the air in the outer frame 1 is extracted through the connecting pipe 4 and the dust extraction pipe 5, so that the dust and other small particles are sucked into the dust extractor 3, the plurality of dust extraction pipes 5 can expand the range of dust extraction, improve the efficiency of dust extraction, make the dust in the outer frame 1 be cleaned more thoroughly, and the air grooves 17 provide installation positions for the dust extraction pipes 5, ensuring that the dust extraction pipes 5 can smoothly communicate with the inner space of the outer frame 1; the outer side of the outer frame 1 is provided with a discharge port 6 matched with the inclined filter plate 7, and the inner wall side of the outer frame 1 is provided with a guide rail matched with the sliding cylinder 2, which provides guidance and support for the sliding cylinder 2, so that the sliding cylinder 2 can stably slide along the guide rail in the outer frame 1, ensuring the smoothness and stability of the equipment operation, and being beneficial to the cooperation of the sliding cylinder 2 with other components in the outer frame 1, for example, in the filtering process, the sliding cylinder 2 can work with the inclined filter plate 7 and other components under the action of the guide rail, to achieve better filtering effect.

[0026] In the embodiment, the dust extractor 3 extracts the dust generated during the tablet shaking through the connecting pipe 4 and the dust extraction pipe 5, and the tablets with small diameters fall on the inclined filter plate 7, the inclined filter plate 7 screens the tablets again, and the screened tablets are guided out along the discharge port 6,

[0027] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. Automatic screening device for rotary tablet press, comprising an outer frame (1), characterized in that: The inner wall side of the outer frame (1) is slidably connected with a sliding cylinder (2), the inner wall side of the outer frame (1) is fixedly connected with a fixed plate (10), the top of the fixed plate (10) is fixedly connected with a hydraulic push rod (11), the output end of the hydraulic push rod (11) is fixedly connected with the sliding cylinder (2), the inner wall side of the sliding cylinder (2) is hingedly connected with a deflection plate (8), the side of the deflection plate (8) is fixedly connected with a filter plate (9), and the outer side of the sliding cylinder (2) is provided with a swing assembly; The swing assembly comprises a hydraulic telescopic rod (15) arranged on the outer side of the sliding cylinder (2), the output end of the hydraulic telescopic rod (15) is fixedly connected with a connecting block (14), the outer side of the deflection plate (8) is slidably connected with a sliding block (13), the connecting block (14) is hingedly connected with the sliding block (13), and the bottom of the deflection plate (8) is provided with a sliding groove (12) matched with the sliding block (13).

2. The rotary tablet press automatic screening device according to claim 1, characterized in that: The outer side of the sliding cylinder (2) is provided with a material guiding hole (18), and the inner wall bottom of the material guiding hole (18) is inclinedly arranged.

3. The rotary tablet press automatic screening device according to claim 2, wherein: The bottom of the sliding cylinder (2) is fixedly connected with a fixed frame (16), and the hydraulic telescopic rod (15) is fixedly connected with the inner wall of the fixed frame (16).

4. The rotary tablet press automatic screening device of claim 1, wherein: The inner wall side of the outer frame (1) is fixedly connected with an inclined filter plate (7), and the filter hole diameter of the inclined filter plate (7) is smaller than that of the filter plate (9).

5. The rotary tablet press automatic screening device of claim 4, wherein: The outer side of the inclined filter plate (7) is fixedly connected with a fixed block (19), the outer side of the fixed block (19) is provided with a bolt, and the inner side of the fixed block (19) and the outer frame (1) are both provided with a threaded hole matched with the bolt.

6. The rotary tablet press automatic screening device of claim 1, wherein: The outer side of the outer frame (1) is provided with a dust extraction machine (3), the output end of the dust extraction machine (3) is fixedly connected with a connecting pipe (4), the outer side of the connecting pipe (4) is fixedly connected with a plurality of dust extraction pipes (5) connected in communication, and the outer side of the outer frame (1) is provided with a plurality of air grooves (17) matched with the dust extraction pipes (5).

7. The rotary tablet press automatic screening device of claim 4, wherein: The outer side of the outer frame (1) is provided with a discharge port (6) matched with the inclined filter plate (7), and the inner wall side of the outer frame (1) is provided with a guide rail matched with the sliding cylinder (2).

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