Screening device for granule production

Abstract

The utility model is suitable for the technical field of granule production, and provides a screening device for granule production, which comprises a screening box with a plurality of vibration motors, the feeding hopper is arranged at the top of the screen box; the water tank is arranged at the bottom of the screen box; the supporting rods are mounted on the water tank in a sliding manner and are fixedly connected with the screen box; the plurality of sleeve plates are respectively and fixedly arranged on the plurality of supporting rods in a sleeving manner; the plurality of first springs are respectively arranged on the plurality of supporting rods in a sliding and sleeving manner; and the plurality of limiting blocks are fixedly mounted at the bottom ends of the plurality of supporting rods respectively. According to the screening device for granule production, multi-stage screening can be conducted on granules, the screening efficiency is high, meanwhile, the screening hopper can be detached and replaced according to the type of the screened granules, the dust collecting and spraying dust falling functions are achieved, and dust can be prevented from being diffused into air near the device.

Description

Technical Field

[0001] The utility model belongs to the technical field of granule production, and particularly relates to a screening device for granule production. Background Art

[0002] A granule is a dry granular preparation made by mixing an active pharmaceutical ingredient with suitable excipients to have a certain particle size. During the production of granules, a screening device is required to screen the granules.

[0003] However, the existing screening devices for granule production are not only inconvenient for disassembling and replacing the sieve hopper, but also have low screening efficiency. At the same time, there is no spray cooling function for the dust generated during the screening process. Therefore, the dust generated during the granule screening process will spread into the air near the equipment, thus polluting the air. Summary of the Utility Model

[0004] The utility model provides a screening device for granule production, aiming to solve the problems in the above background art that the existing screening devices for granule production are inconvenient for disassembling and replacing the sieve hopper, have low screening efficiency, and have no spray cooling function for the dust generated during the screening process.

[0005] To solve the above problems, the utility model is realized as follows. A screening device for granule production includes: a sieve box with multiple vibration motors; a feeding hopper arranged on the top of the sieve box; a water tank arranged on the bottom of the sieve box; multiple support rods slidably installed on the water tank and fixedly connected to the sieve box; multiple sleeve plates respectively fixedly sleeved on the multiple support rods; multiple first springs respectively slidably sleeved on the multiple support rods; multiple limit blocks respectively fixedly installed at the bottom ends of the multiple support rods; a multi-stage screening mechanism arranged on the inner wall of the sieve box, and the multi-stage screening mechanism is used for multi-stage screening of granules; multiple locking mechanisms arranged on the multi-stage screening mechanism, and the multiple locking mechanisms are used for locking multiple sieve hoppers; a driving mechanism arranged on the sieve box, and the driving mechanism is used for controlling the swinging of multiple sieve hoppers; a spray dust reduction mechanism arranged on the water tank, and the spray dust reduction mechanism is used for spraying and dust reduction of the dust generated during the screening of granules.

[0006] Preferably, the multi-stage screening mechanism includes: a plurality of aggregate hoppers fixedly installed on the inner wall of the sieve box; a plurality of rotating shafts rotatably installed on the inner wall of the sieve box; a plurality of rotating plates fixedly sleeved on the plurality of rotating shafts respectively; a plurality of slots respectively opened on the plurality of rotating plates; a plurality of installation grooves respectively opened on the inner walls of the plurality of slots; a plurality of sieve hoppers respectively arranged on the plurality of rotating plates; a plurality of sieve meshes respectively arranged at the bottoms of the plurality of sieve hoppers; a plurality of insertion blocks respectively fixedly installed at the bottoms of the plurality of sieve hoppers, and the plurality of insertion blocks are respectively adapted to the plurality of slots; a plurality of pin holes respectively opened on the plurality of insertion blocks.

[0007] Preferably, the locking mechanism includes: a sliding rod slidably installed on the inner wall of the installation groove; a pin block fixedly installed at one end of the sliding rod and adapted to the pin hole; a second spring slidably sleeved on the sliding rod; a pull ring fixedly installed at the other end of the sliding rod.

[0008] Preferably, the driving mechanism includes: a connecting plate fixedly installed on the sieve box; a driving motor fixedly installed on the sieve box; a worm fixedly installed on the output shaft of the driving motor; a plurality of worm wheels fixedly sleeved on the plurality of rotating shafts respectively and meshed with the worm.

[0009] Preferably, the spray dust reduction mechanism includes: a plurality of connecting pipes arranged on the sieve box; a dust collecting pipe arranged at one end of the plurality of connecting pipes; a hose arranged at the bottom end of the dust collecting pipe and communicated with the water tank; a pipe row fixedly installed on the top of the water tank and provided with a plurality of spray heads; a water pump fixedly installed on the inner wall of the bottom of the water tank; a water supply pipe arranged at the water outlet end of the water pump and communicated with the pipe row.

[0010] Preferably, a suction fan is fixedly installed on one side of the water tank, a suction pipe is arranged at the air inlet end of the suction fan, and the suction pipe is communicated with the water tank.

[0011] Preferably, a water injection port is opened on the water tank, and a sealing cover is arranged on the water injection port.

[0012] Preferably, a drain pipe is arranged on one side of the water tank, and a solenoid valve is arranged on the drain pipe.

[0013] Compared with the related art, the screening device for granule production provided by the present utility model has the following beneficial effects:

[0014] Compared with the prior art, the screening device for granule production provided by this solution realizes an efficient and environmentally friendly granule screening process by integrating multiple key components. Specifically, the screening box with multiple vibration motors provides a stable screening platform and power source, effectively promoting the uniform screening of granules; the feeding hopper facilitates the accurate feeding of raw materials; the water tank, together with the sliding support rod, sleeve plate, first spring and limit block, constitutes a stable and adjustable support structure; the multi-stage screening mechanism and locking mechanism realize the multi-stage fine screening of granules and the stable locking of the screening hopper, improving the screening accuracy and operation safety; the driving mechanism controls the swing of the screening hopper, further promoting the screening efficiency; and the spray dust reduction mechanism effectively solves the dust problem generated during the screening process, ensuring the cleanliness of the production environment and the health of employees. In summary, this device has a compact structure and comprehensive functions, significantly improving the screening efficiency and environmental protection level of granule production. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 FIG. 6 is a schematic front sectional view of a screening device for granule production provided by the present utility model;

[0016] Figure 2 is Figure 1 the front view external structure schematic diagram of

[0017] Figure 3 is Figure 1 the rear view external structure schematic diagram of

[0018] Figure 4 is Figure 1 the three-dimensional assembly structure schematic diagram of the screening hopper and the screen mesh in

[0019] Figure 5 is Figure 1 the enlarged structure schematic diagram of part A shown in

[0020] Reference numerals: 1, screening box; 2, feeding hopper; 3, water tank; 4, support rod; 5, sleeve plate; 6, first spring; 7, limit block; 8, aggregate hopper; 9, rotating shaft; 10, rotating plate; 11, slot; 12, installation groove; 13, screening hopper; 14, screen mesh; 15, insertion block; 16, pin hole; 17, sliding rod; 18, pin block; 19, second spring; 20, pull ring; 21, connecting plate; 22, driving motor; 23, worm; 24, worm gear; 25, connecting pipe; 26, dust collecting pipe; 27, hose; 28, pipe row; 29, spray head; 30, water pump; 31, water supply pipe; 32, exhaust fan; 33, exhaust duct. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field to which this application belongs; the terms used in the description of this application are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" and any variations thereof in the description and claims of this application and the above drawings are intended to cover non-exclusive inclusion. The terms "first", "second", etc. in the description and claims of this application or the above drawings are used to distinguish different objects and not to describe a specific order; the orientation or positional relationship indicated by the terms "inside", "outside", "left", "right" is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing this utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0022] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in connection with the embodiments can be included in at least one embodiment of this application. The phrase appears in various places in the specification and does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment mutually exclusive of other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0023] An embodiment of the utility model provides a screening device for granule production, as Figures 1-5 shown. The screening device for granule production includes: a sieve box 1 with multiple vibration motors; a feeding hopper 2 arranged on the top of the sieve box 1; a water tank 3 arranged on the bottom of the sieve box 1; multiple support rods 4 slidably mounted on the water tank 3 and fixedly connected to the sieve box 1; multiple sleeve plates 5 respectively fixedly sleeved on the multiple support rods 4; multiple first springs 6 respectively slidably sleeved on the multiple support rods 4; multiple limit blocks 7 respectively fixedly installed at the bottom ends of the multiple support rods 4; a multi-stage screening mechanism arranged on the inner wall of the sieve box 1, and the multi-stage screening mechanism is used for multi-stage screening of granules; multiple locking mechanisms arranged on the multi-stage screening mechanism, and the multiple locking mechanisms are used for locking multiple sieve hoppers 13; a driving mechanism arranged on the sieve box 1, and the driving mechanism is used for controlling the swinging of the multiple sieve hoppers 13; a spray dust reduction mechanism arranged on the water tank 3, and the spray dust reduction mechanism is used for spraying and dust reduction of the dust generated during the screening of granules.

[0024] In this embodiment, by integrating multiple key components, an efficient and environmentally friendly granule screening process is achieved. Specifically, the screening box 1 with multiple vibration motors provides a stable screening platform and power source, effectively promoting the uniform screening of granules; the feeding hopper 2 facilitates the precise feeding of raw materials; the water tank 3, the slidingly mounted support rod 4, the sleeve plate 5, the first spring 6 and the limit block 7 together constitute a stable and adjustable support structure; the multi-stage screening mechanism and the locking mechanism achieve multi-stage fine screening of granules and the stable locking of the screening hopper, improving the screening accuracy and operation safety; the driving mechanism controls the swing of the screening hopper 13, further promoting the screening efficiency; and the spray dust suppression mechanism effectively solves the dust problem generated during the screening process, ensuring the cleanliness of the production environment and the health of employees. In summary, the structure of this device is compact and its functions are comprehensive, significantly improving the screening efficiency and environmental protection level of granule production.

[0025] In a further preferred embodiment of the present invention, the multi-stage screening mechanism includes: a plurality of aggregate hoppers 8 fixedly installed on the inner wall of the screening box 1; a plurality of rotating shafts 9 rotatably installed on the inner wall of the screening box 1; a plurality of rotating plates 10 respectively fixedly sleeved on the plurality of rotating shafts 9; a plurality of slots 11 respectively opened on the plurality of rotating plates 10; a plurality of mounting grooves 12 respectively opened on the inner walls of the plurality of slots 11; a plurality of screening hoppers 13 respectively arranged on the plurality of rotating plates 10; a plurality of screening meshes 14 respectively arranged at the bottoms of the plurality of screening hoppers 13; a plurality of insertion blocks 15 respectively fixedly installed at the bottoms of the plurality of screening hoppers 13, and the plurality of insertion blocks 15 respectively match with the plurality of slots 11; a plurality of pin holes 16 respectively opened on the plurality of insertion blocks 15.

[0026] In this embodiment, the multi-stage screening of granules can be carried out through the multiple vibrating and left-right swinging screening hoppers 13 and screening meshes 14, and the screened granules can be guided through the multiple aggregate hoppers 8.

[0027] In a further preferred embodiment of the present invention, the locking mechanism includes: a sliding rod 17 slidably installed on the inner wall of the mounting groove 12; a pin block 18 fixedly installed at one end of the sliding rod 17 and adapted to the pin hole 16; a second spring 19 slidably sleeved on the sliding rod 17; a pull ring 20 fixedly installed at the other end of the sliding rod 17.

[0028] In this embodiment, the pin block 18 can be inserted into the pin hole 16 by the rebound of the second spring 19, so as to fix the screening hopper 13 on the rotating plate 10. When it is necessary to disassemble and replace the screening hopper 13, pull the pull ring 20, and the pull ring 20 drives the pin block 18 to move to one side through the sliding rod 17, so that the pin block 18 is separated from the pin hole 16, and then the screening hopper 13 can be removed.

[0029] In a further preferred embodiment of the present utility model, the driving mechanism includes: a connecting plate 21 fixedly installed on the sieve box 1; a driving motor 22 fixedly installed on the sieve box 1; a worm 23 fixedly installed on the output shaft of the driving motor 22; and worm wheels 24 respectively fixedly sleeved on a plurality of the rotating shafts 9 and meshing with the worm 23.

[0030] In this embodiment, the forward and reverse rotation of the driving motor 22 can drive the forward and reverse rotation of the worm 23, the forward and reverse rotation of the worm 23 can drive the forward and reverse rotation of a plurality of worm wheels 24, and the forward and reverse rotation of the plurality of worm wheels 24 drives the plurality of rotating shafts 9 and a plurality of sieve buckets 13 to swing, thereby screening the granular agent.

[0031] In a further preferred embodiment of the present utility model, the spray dust suppression mechanism includes: a plurality of connecting pipes 25 arranged on the sieve box 1; a dust collecting pipe 26 arranged at one end of the plurality of connecting pipes 25; a flexible pipe 27 arranged at the bottom end of the dust collecting pipe 26 and communicating with the water tank 3; a pipe row 28 fixedly installed on the top of the water tank 3 and provided with a plurality of spray heads 29; a water pump 30 fixedly installed on the inner wall of the bottom of the water tank 3; and a water supply pipe 31 arranged at the water outlet end of the water pump 30 and communicating with the pipe row 28.

[0032] In this embodiment, the dust generated during the screening of the granular agent in the sieve box 1 can be sucked into the water tank 3 through the plurality of connecting pipes 25, the dust collecting pipe 26 and the flexible pipe 27. The water in the water tank 3 is pumped out by the water pump 30 and injected into the pipe row 28 through the water supply pipe 31, and the water is sprayed into the air passing through the water tank 3 through the plurality of spray heads 29 on the pipe row 28, thereby performing spray dust suppression on the dust in the air.

[0033] In a further preferred embodiment of the present utility model, an exhaust fan 32 is fixedly installed on one side of the water tank 3, an air extraction pipe 33 is arranged at the air inlet end of the exhaust fan 32, and the air extraction pipe 33 communicates with the water tank 3.

[0034] In this embodiment, the air in the water tank 3 can be extracted through the exhaust fan 32 and the air extraction pipe 33, thereby creating a negative pressure in the water tank 3.

[0035] In a further preferred embodiment of the present utility model, a water injection port is opened on the water tank 3, and a sealing cover is arranged on the water injection port.

[0036] In this embodiment, water can be injected into the water tank 3 through the water injection port, and the water injection port can be closed through the sealing cover.

[0037] In a further preferred embodiment of the present utility model, a drain pipe is arranged on one side of the water tank 3, and an electromagnetic valve is arranged on the drain pipe.

[0038] In this embodiment, the wastewater in the water tank 3 can be discharged through the drain pipe and the solenoid valve.

[0039] In summary, compared with the related art, the present device can not only perform multi-stage screening on the granule agent, but also has a high screening efficiency. At the same time, the sieve bucket can be disassembled and replaced according to the type of the screened granule agent, and has the functions of dust collection and spray dust reduction, which can prevent the dust from spreading into the air near the equipment.

[0040] In several embodiments provided by the present application, it should be understood that the disclosed device can be implemented in other ways.

[0041] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the protection scope of the invention. Obviously, the described embodiments are only some embodiments of the present invention, rather than all embodiments. Based on these embodiments, all other embodiments obtained by those of ordinary skill in the art without creative work belong to the scope of protection of the present invention. Although the present invention has been described in detail with reference to the above embodiments, those of ordinary skill in the art can still, without conflict, make combinations, additions, deletions or other adjustments to the features in the embodiments of the present invention according to the situation without creative work, so as to obtain different technical solutions that essentially do not depart from the concept of the present invention, and these technical solutions also belong to the scope of protection of the present invention.

Claims

1. A screening device for granule production, characterized in that: include: Screen box with multiple vibrating motors; A feeding hopper arranged on the top of the screen box; A water tank disposed at the bottom of the screen box; a plurality of support rods slidably mounted on the water box and fixedly connected to the screen box; A plurality of sleeve plates respectively fixedly sleeved on the plurality of support rods; A plurality of first springs respectively slidably sleeved on the plurality of support rods; A plurality of limit blocks respectively fixedly mounted on the bottom ends of the plurality of support rods; A multi-stage screening mechanism disposed on the inner wall of the screen box, the multi-stage screening mechanism being used for performing multi-stage screening on the granules; A plurality of locking mechanisms are arranged on the multi-stage screening mechanism, and the plurality of locking mechanisms are used to lock the plurality of screening buckets; A driving mechanism disposed on the screen box, the driving mechanism being used to control the swinging of the plurality of screen buckets; A spraying and dust reduction mechanism is arranged on the water tank, and the spraying and dust reduction mechanism is used to spray and dust reduction the dust generated in the process of screening granules.

2. The sieving device for granule production according to claim 1, characterized in that: The multi-stage screening mechanism comprises: A plurality of collecting hoppers fixedly mounted on the inner wall of the screen box; Rotating a plurality of rotating shafts mounted on the inner wall of the screen box; A plurality of rotating plates respectively fixedly mounted on the plurality of rotating shafts; A plurality of slots are respectively provided on the plurality of rotating plates; A plurality of mounting grooves are respectively provided on the inner walls of the plurality of slots; A plurality of sieve buckets are respectively arranged on the plurality of rotating plates; A plurality of screens are respectively arranged at the bottom of the plurality of screen buckets; A plurality of plug blocks are respectively fixedly mounted on the bottom of the plurality of sieve buckets, and the plurality of plug blocks are respectively matched with the plurality of slots; A plurality of pin holes are respectively provided on the plurality of insert blocks.

3. The sieving device for granule production according to claim 2, characterized in that: The locking mechanism comprises: A sliding rod slidably mounted on the inner wall of the mounting groove; A pin block fixedly mounted on one end of the sliding rod and adapted to the pin hole; A second spring slidably sleeved on the sliding rod; A pull ring is fixedly mounted on the other end of the sliding rod.

4. The sieving device for granule production according to claim 2, characterized in that: The driving mechanism comprises: A connecting plate fixedly mounted on the screen box; A driving motor fixedly mounted on the screen box; A worm fixedly mounted on the output shaft of the driving motor; Worm wheels are respectively fixedly sleeved on the plurality of rotating shafts and meshed with the worm gears.

5. The sieving device for granule production according to claim 1, characterized in that: The spray dust reduction mechanism comprises: A plurality of connecting pipes disposed on the screen box; A dust collecting pipe disposed at one end of the plurality of connecting pipes; A hose disposed at the bottom end of the dust collecting pipe and connected to the water tank; A pipe bank fixedly mounted on the top of the water tank and having a plurality of sprinkler heads; A water pump fixedly mounted on the inner wall of the bottom of the water tank; An upper water pipe is arranged at the water outlet of the water pump and is connected to the pipe row.

6. The sieving device for granule production according to claim 1, characterized in that: An exhaust fan is fixedly installed on one side of the water tank, an exhaust pipe is arranged at the air inlet end of the exhaust fan, and the exhaust pipe is communicated with the water tank.

7. The sieving device for granule production according to claim 1, characterized in that: The water tank is provided with a water inlet, and a sealing cover is arranged on the water inlet.

8. The sieving device for granule production according to claim 1, characterized in that: A drain pipe is arranged on one side of the water tank, and a solenoid valve is arranged on the drain pipe.

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