CN211247304U - High-efficient screening machine - Google Patents

Abstract

The utility model relates to a pharmaceutical equipment. The efficient screening machine with the vibration buffering function comprises supporting legs and a casing arranged on the supporting legs, wherein a transverse vibrating screen is arranged in the upper section of the casing, and a vibration exciter is arranged at the bottom of the vibrating screen; the vibrating screen is composed of a frame and a screen plate arranged in the frame, and a circle of annular connecting groove is formed in the outer peripheral surface of the frame; a circle of rubber connecting ring is arranged on the inner wall of the upper section of the shell and fixedly connected with the side wall of the shell through a first connecting bolt; the inner wall of the rubber connecting ring is provided with a circle of connecting convex edge matched with the connecting groove, and the connecting convex edge is inserted into the connecting groove and fixedly connected with the frame through a second connecting bolt. The utility model discloses can reduce the vibration volume of being transmitted to on the casing by the shale shaker, reduce the noise, purify workshop production environment.

Description

High-efficient screening machine

Technical Field

The utility model relates to pharmaceutical equipment, concretely relates to high-efficient screening machine.

Background

The granulator is a device commonly used in pharmaceutical processing and has the function of agglomerating materials to form granules, and the extrusion granulator is one of granulators, which conveys pasty pharmaceutical raw materials through a screw conveyor, forms the raw materials into strips after the raw materials pass through a die, and finally forms the granules by breaking through a breaking roller. During the granulation process, some large particles and part of dust with the particle size exceeding the standard particle size are inevitably present, and the presence of the large particles and part of dust can seriously affect the quality of the final product, so that the large particles and part of dust are also required to be screened by a screening machine before packaging. At present, the traditional screening machine vibrates too much and the raise dust phenomenon is heavier in the use, serious influence pharmaceutical workshop's production environment.

Disclosure of Invention

An object of the utility model is to provide a high-efficient screening machine with vibration buffering function.

In order to achieve the purpose of the invention, the technical scheme adopted by the utility model is as follows: a high-efficiency screening machine comprises supporting legs and a casing arranged on the supporting legs, wherein the casing is composed of a cylindrical upper section and an inverted conical lower section, a casing cover is arranged at the top of the upper section of the casing, and a discharge pipe is arranged at the bottom of the lower section of the casing; a feed hopper communicated with the interior of the shell is arranged on the shell cover;

a transverse vibrating screen is arranged in the upper section of the shell, and a vibration exciter is arranged at the bottom of the vibrating screen; the vibrating screen is composed of a frame and a screen plate arranged in the frame, and a circle of annular connecting groove is formed in the outer peripheral surface of the frame; a circle of rubber connecting ring is arranged on the inner wall of the upper section of the shell and fixedly connected with the side wall of the shell through a first connecting bolt; the inner wall of the rubber connecting ring is provided with a circle of connecting convex edge matched with the connecting groove, and the connecting convex edge is inserted into the connecting groove and fixedly connected with the frame through a second connecting bolt.

Preferably, a refining mechanism is further arranged above the vibrating screen and comprises a vertical rotating shaft, a plurality of scraping rods extending along the radial direction of the rotating shaft are uniformly arranged on the circumferential surface of the lower end of the rotating shaft, and the upper end of the rotating shaft is in transmission connection with a speed reduction motor fixedly arranged on the shell cover.

Preferably, the scraping rod is composed of a transverse base rod and a rubber strip fixedly arranged at the bottom of the base rod and extending along the length direction of the base rod, and the bottom of the rubber strip is in a sawtooth shape.

Preferably, the bottom of the discharge pipe is communicated with the first installation chamber, and the side surface of the discharge pipe is communicated with the induced draft pipe; an induced draft fan is arranged at one end, far away from the discharge pipe, of the induced draft pipe, and a second mounting chamber is arranged at the bottom of the middle section of the induced draft pipe; a material collecting drawer is arranged in the first mounting chamber, and a dust collecting drawer is arranged in the second mounting chamber; still be provided with the isolation filter screen of looks adaptation in the induced duct, keep apart the filter screen and be located one side that the discharging pipe was kept away from to the second installation room.

The beneficial effects of the utility model are concentrated and are embodied in: the vibration quantity transmitted to the casing by the vibrating screen can be reduced, the noise is reduced, and the workshop production environment is purified. Particularly, the utility model discloses in the use, add granular material by the feeder hopper, the shale shaker starts and carries out vibration screening to the material, and unqualified large granule material is held back on the shale shaker, and qualified product and small granule material collect the back by the hypomere of casing and discharge from the discharging pipe. Compare with traditional screening plant, the utility model discloses a link together through the rubber clamping ring between shale shaker and the casing, at the in-process that the shale shaker vibrated, the rubber clamping ring can play the cushioning effect, prevents to vibrate towards the casing transmission, has avoided the casing resonance, can effectual reduction noise. Simultaneously, the connection structure of rubber connecting ring and shale shaker frame had both guaranteed the stability of installation, and completion dismantlement that again can be quick is convenient to be changed and is overhauld the shale shaker, and it is very convenient to use. The refining mechanism who prefers to set up can make the even distribution of material on the shale shaker, can prevent again that the dead situation of card from appearing in the in-process of refining, very big improvement screening efficiency, realization high-efficient screening.

Drawings

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

fig. 2 is an enlarged view of a portion a in fig. 1.

Detailed Description

The efficient screening machine shown in figures 1-2 comprises supporting legs 1 and a casing 2 arranged on the supporting legs 1, wherein the casing 2 is made of stainless steel. The machine shell 2 is composed of a cylindrical upper section and an inverted conical lower section, the upper section of the machine shell 2 is used as a main working area which is an area where the vibrating screen 6 is installed, and the lower section is used as a material collecting area and mainly plays a role in collecting materials.

The top of casing 2 upper segment sets up cap 3, the connected mode of cap 3 and casing 2 can directly adopt the joint or adopt the mode of articulated cooperation hasp, and the mode of articulated cooperation hasp is that one side of cap 3 is articulated with casing 2 promptly, and the opposite side adopts the hasp fixed, and this kind of mode is convenient for lift up cap 3, the impurity etc. on the easy access, maintenance, the clearance shale shaker 6.

The utility model discloses the bottom of 2 hypomere of casing is provided with discharging pipe 4, and the material after the screening is arranged outward from discharging pipe 4, because there is some to be tiny dust in the outer material of arranging, in order to realize the screening to the dust, the utility model discloses better way can also be as shown in figure 1, the one end that discharging pipe 4 was kept away from to induced duct 19 is provided with draught fan 20, the bottom and the 18 intercommunication of first installation room of discharging pipe 4, the side and the induced duct 19 intercommunication of discharging pipe 4. The bottom of the middle section of the induced duct 19 is provided with a second installation chamber 21. A material receiving drawer 30 is arranged in the first mounting chamber 18, and a dust collecting drawer 22 is arranged in the second mounting chamber 21. Still be provided with the isolation filter screen 23 of looks adaptation in the induced duct 19, isolation filter screen 23 is located the one side that the discharging pipe 4 was kept away from to second installation room 21. After the mode is adopted, the induced draft fan 20 can generate negative pressure when working to form suction, qualified particles falling from the discharge pipe 4 can directly fall into the material collecting drawer 30 to be collected, dust is discharged from the wind path and falls into the dust collecting drawer 22 to be collected after being blocked by the isolating filter screen 23. Thereby realizing the screening of the dust and improving the quality of qualified products. Meanwhile, negative pressure is generated in the shell 2, so that dust can be effectively prevented from directly rising from the feed hopper 5, and the environment of a production workshop is further purified.

And a feed hopper 5 communicated with the interior of the shell 2 is arranged on the shell cover 3, and materials are added from the feed hopper 5 and fall on the vibrating screen 6. In order to improve the uniformity of the distribution of the materials on the vibrating screen 6, a better scheme can be that a material refining mechanism is further arranged above the vibrating screen 6 and comprises a vertical rotating shaft 14, a plurality of scraping rods 15 which radially extend along the rotating shaft 14 are uniformly arranged on the circumferential surface of the lower end of the rotating shaft 14, and the upper end of the rotating shaft 14 is in transmission connection with a speed reducing motor fixedly arranged on the shell cover 3. Through gear motor drive pivot 14, pivot 14 drive scrape the pole 15 and rotate, can spread piling up the material in feeder hopper 5 below, increase effective screening area, improve screening efficiency. Meanwhile, since the scraping bar 15 needs to run against the vibrating screen 6, in order to prevent the occurrence of the seizing, the scraping bar 15 is composed of a transverse base bar 16 and a rubber strip 17 fixedly arranged at the bottom of the base bar 16 and extending along the length direction of the base bar 16, and the bottom of the rubber strip 17 is in a zigzag shape. After adopting this kind of mode, because rubber strip 17 has certain deformability, when the card pause appearing, it has the effect of deformation buffering to the card is dead has been avoided.

Be provided with horizontal shale shaker 6 in the upper segment of casing 2, the bottom of shale shaker 6 is provided with vibration exciter 7, vibration exciter 7 is the equipment that is used for arousing shale shaker 6 production vibration as the name implies, and it is the mature product of market, the utility model discloses in no longer describe repeatedly. The vibrating screen 6 is composed of a frame 8 and a screen plate 9 arranged in the frame 8, and a circle of annular connecting groove is formed in the outer peripheral surface of the frame 8. A circle of rubber connecting ring 10 is arranged on the inner wall of the upper section of the casing 2, and the rubber connecting ring 10 is fixedly connected with the side wall of the casing 2 through a first connecting bolt 11. The inner wall of the rubber connecting ring 10 is provided with a circle of connecting convex edge 12 matched with the connecting groove, and the connecting convex edge 12 is inserted into the connecting groove and is fixedly connected with the frame 8 through a second connecting bolt 13.

The utility model discloses in the use, add granular material by feeder hopper 5, 6 starts to carry out vibration screening to the material of shale shaker, and unqualified large granule material is held back on shale shaker 6, and qualified product and small granule material collect the back by the hypomere of casing 2 and discharge from discharging pipe 4. Compare with traditional screening plant, the utility model discloses a link together through rubber clamping ring 10 between 6 and the casing 2 of shale shaker, at the in-process of 6 vibrations of shale shaker, rubber clamping ring 10 can play the cushioning effect, prevents to vibrate towards casing 2 transmission, has avoided casing 2 resonance, can effectual noise reduction. Simultaneously, the connection structure of rubber clamping ring 10 and 6 frames 8 of shale shaker had both guaranteed the stability of installation, and completion dismantlement that again can be quick is convenient to be changed and is overhauld shale shaker 6, and it is very convenient to use.

Claims (4)

1. A high-efficiency screening machine comprises supporting legs (1) and a casing (2) arranged on the supporting legs (1), wherein the casing (2) is composed of a cylindrical upper section and an inverted conical lower section, a casing cover (3) is arranged at the top of the upper section of the casing (2), and a discharge pipe (4) is arranged at the bottom of the lower section of the casing (2); a feed hopper (5) communicated with the interior of the shell (2) is arranged on the shell cover (3);

the method is characterized in that: a transverse vibrating screen (6) is arranged in the upper section of the shell (2), and a vibration exciter (7) is arranged at the bottom of the vibrating screen (6); the vibrating screen (6) is composed of a frame (8) and a screen plate (9) arranged in the frame (8), and a circle of annular connecting groove is formed in the outer peripheral surface of the frame (8); a circle of rubber connecting ring (10) is arranged on the inner wall of the upper section of the shell (2), and the rubber connecting ring (10) is fixedly connected with the side wall of the shell (2) through a first connecting bolt (11); the inner wall of the rubber connecting ring (10) is provided with a circle of connecting convex edge (12) matched with the connecting groove, and the connecting convex edge (12) is inserted into the connecting groove and is fixedly connected with the frame (8) through a second connecting bolt (13).

2. The efficient screening machine according to claim 1, wherein: the top of shale shaker (6) still is provided with refining mechanism, refining mechanism includes vertical pivot (14), evenly be provided with many along pivot (14) radial extension's scraping rod (15) on the global of pivot (14) lower extreme, the upper end and the fixed gear motor transmission that sets up on cap (3) of pivot (14) are connected.

3. The efficient screen machine according to claim 2, wherein: the scraping rod (15) is composed of a transverse base rod (16) and a rubber strip (17) which is fixedly arranged at the bottom of the base rod (16) and extends along the length direction of the base rod (16), and the bottom of the rubber strip (17) is in a sawtooth shape.

4. The efficient screen machine according to claim 3, wherein: the bottom of the discharge pipe (4) is communicated with the first mounting chamber (18), and the side surface of the discharge pipe (4) is communicated with an induced draft pipe (19); an induced draft fan (20) is arranged at one end, far away from the discharge pipe (4), of the induced draft pipe (19), and a second installation chamber (21) is arranged at the bottom of the middle section of the induced draft pipe (19); a material receiving drawer (30) is arranged in the first mounting chamber (18), and a dust collecting drawer (22) is arranged in the second mounting chamber (21); still be provided with the isolation filter screen (23) of looks adaptation in induced duct (19), keep apart filter screen (23) and be located one side that discharging pipe (4) were kept away from in second installation room (21).

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