Impact type grinding and granulating equipment for granular medicament production

By introducing a feeding box and a spiral feeding roller into the impact grinding and granulation equipment, combined with a variable frequency speed control motor, the problem of unstable feeding speed was solved, achieving uniform grinding effect and efficient particle size control.

CN223800605UActive Publication Date: 2026-01-16TIANJIN XINNUOJIN PHARM TECH CO LTD
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Patent Information

Application Number
CN202520212783.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-11
Publication Date
2026-01-16
Estimated Expiration
2035-02-11

AI Technical Summary

Technical Problem

Existing impact grinding and granulation equipment suffers from unstable feed rates, resulting in uneven particle size.

Method used

By setting up a feeding box and a spiral feeding roller, the feeding speed of the raw materials is controlled, and the feeding speed is adjusted by using a variable frequency speed control motor. Combined with the design of the stirring rod and grinding hammer, uniform grinding is achieved.

Benefits of technology

This ensures uniformity of raw material feeding, guarantees the stability of grinding effect and uniformity of particle size, and improves grinding efficiency and quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of granular medicament production, in particular to impact type grinding and granulating equipment for granular medicament production, which is convenient for controlling the feeding speed of raw materials so as to ensure the grinding effect. Comprising a grinding barrel, four sets of supporting legs, a discharging hopper, a first motor, a stirring rod, a plurality of sets of grinding hammers, a filter screen, a feeding box, four sets of supporting rods, a spiral feeding roller, a second motor and a mounting device, the four sets of supporting legs are installed on the front lower side and the rear lower side of the left end and the right end of the grinding barrel correspondingly, and the discharging hopper is installed at the bottom end of the grinding barrel and communicates with the grinding barrel; the first motor is installed in the middle of the top end of the grinding barrel, the stirring rod is rotationally installed at the top end in the grinding barrel, and the output end of the first motor penetrates through the top end of the grinding barrel to be connected with the top end of the stirring rod. The output end of the second motor penetrates through the left end of the feeding box and is connected with the left end of the spiral feeding roller.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of granular medicament production, particularly to an impact type grinding and granulating equipment for granular medicament production. BACKGROUND

[0002] Granular medicament is a common drug dosage form, which refers to a dry granular preparation prepared by mixing a drug active ingredient with appropriate excipients.

[0003] The impact type grinding and granulating equipment is a mechanical equipment commonly used in granular medicament production, mainly used for crushing, grinding and granulating materials. This kind of equipment applies impact force to the material through high-speed rotating hammers or rods, so as to break the material into the required particle size.

[0004] However, the existing impact type grinding and granulating equipment has the problem of unstable feeding speed, which leads to uneven grinding particle size. UTILITY MODEL CONTENTS

[0005] To solve the above technical problems, the utility model provides an impact type grinding and granulating equipment for granular medicament production, which is convenient to control the feeding speed of raw materials, thereby ensuring the grinding effect.

[0006] The impact type grinding and granulating equipment for granular medicament production comprises a grinding barrel, four groups of supporting legs, a discharge hopper, a first motor, a stirring rod, multiple groups of grinding hammers, a filter screen, a feeding box, four groups of supporting rods, a spiral feeding roller, a second motor and a mounting device. The four groups of supporting legs are respectively installed on the front lower side and the rear lower side of the left end and the right end of the grinding barrel. The discharge hopper is installed at the bottom end of the grinding barrel and communicates with the grinding barrel. The first motor is installed at the middle part of the top end of the grinding barrel. The stirring rod is rotatably installed at the inner top end of the grinding barrel. The output end of the first motor is connected with the top end of the stirring rod through the top end of the grinding barrel. The multiple groups of grinding hammers are installed at the left end and the right end of the stirring rod. The filter screen is installed in the middle part of the grinding barrel through the mounting device. The feeding box is installed on the grinding barrel through the four groups of supporting rods. A feeding hopper is communicated and arranged at the left side of the top end of the feeding box. A discharge pipe is communicated and arranged at the right side of the bottom end of the feeding box. The output end of the discharge pipe communicates with the left side of the top end of the grinding barrel. The spiral feeding roller is rotatably installed in the feeding box. The second motor is installed at the left end of the feeding box. The output end of the second motor is connected with the left end of the spiral feeding roller through the left end of the feeding box.

[0007] Preferably, the installation device includes an installation plate, a handle, eight sets of first upright plates, four sets of second upright plates, four sets of insert rods, four sets of handles, and four sets of springs. The filter screen is installed at the front end of the installation plate, and the rear end of the grinding barrel is connected to an installation port. The installation plate is located at the installation port of the grinding barrel. The handle is installed in the middle of the rear end of the installation plate. The eight sets of first upright plates are symmetrically installed at the rear end of the grinding barrel. The eight sets of first upright plates are located on the upper left, lower left, upper right, and lower right sides of the installation plate, respectively. The four sets of second upright plates are installed on the upper left, lower left, upper right, and lower right sides of the rear end of the installation plate, respectively. The eight sets of first upright plates and the four sets of second upright plates are all connected to sliding holes. The four sets of insert rods are slidably connected to the eight sets of first upright plates, and the four sets of insert rods are slidably engaged with the sliding holes of the four sets of second upright plates. The four sets of springs are respectively sleeved on the four sets of insert rods, and the four sets of handles are respectively installed on the outer side of the rear end of the four sets of insert rods.

[0008] Preferably, it also includes a heating element, which is installed inside the feeding box.

[0009] Preferably, the upper side of the inner wall of the grinding barrel is provided with multiple sets of grinding teeth.

[0010] Preferably, it also includes four sets of reinforcing bases, which are respectively installed at the bottom of the four sets of support legs.

[0011] Preferably, a soundproof cover is provided on the outside of the grinding barrel.

[0012] Preferably, the filter screen is made of high carbon steel.

[0013] Preferably, the second motor is configured as a variable frequency speed control motor.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows: the raw material is introduced into the feeding box through the feeding hopper, the second motor is turned on, the second motor drives the spiral feeding roller to rotate, the spiral feeding roller conveys the raw material, and the raw material is introduced into the grinding barrel at a uniform speed through the discharge pipe. The first motor is turned on, the first motor drives the stirring rod to rotate, the stirring rod grinds the raw material, and the ground raw material is filtered through the filter screen and discharged through the discharge hopper. By setting this device, it is easy to control the feeding speed of the raw material, thereby ensuring its grinding effect. Attached Figure Description

[0015] Figure 1 This is a first-view structural schematic diagram of the present invention;

[0016] Figure 2 This is a second-view structural schematic diagram of the present invention;

[0017] Figure 3 yes Figure 1 A magnified structural diagram of A in the middle;

[0018] Figure 4 is Figure 2 amplification structure of B in the middle;

[0019] The marks in the drawings: 1, grinding barrel; 2, leg; 3, discharge hopper; 4, first motor; 5, stirring rod; 6, grinding hammer; 7, filter screen; 8, feeding box; 9, support rod; 10, feeding hopper; 11, discharge pipe; 12, spiral feeding roller; 13, second motor; 14, mounting plate; 15, handle; 16, first vertical plate; 17, second vertical plate; 18, insertion rod; 19, handle; 20, spring; 21, heating pipe; 22, grinding tooth; 23, reinforcing base. DETAILED DESCRIPTION

[0020] The specific embodiments of the present application will be further described in detail below in conjunction with the drawings and examples. The following examples are used to illustrate the present application, but not to limit the scope of the present application.

[0021] As Figures 1 to 4 shown, the impact type grinding and granulating equipment for granular medicament production of the present application comprises a grinding barrel 1, four groups of legs 2, a discharge hopper 3, a first motor 4, a stirring rod 5, multiple groups of grinding hammers 6, a filter screen 7, a feeding box 8, four groups of support rods 9, a spiral feeding roller 12, a second motor 13 and a mounting device, the four groups of legs 2 are respectively installed at the front lower side and the rear lower side of the left end and the right end of the grinding barrel 1, the discharge hopper 3 is installed at the bottom end of the grinding barrel 1 and is communicated with the same, the first motor 4 is installed at the middle part of the top end of the grinding barrel 1, the stirring rod 5 is rotatably installed at the inner top end of the grinding barrel 1, the output end of the first motor 4 is connected with the top end of the stirring rod 5 through the top end of the grinding barrel 1, the multiple groups of grinding hammers 6 are installed at the left end and the right end of the stirring rod 5, the filter screen 7 is installed at the middle part of the grinding barrel 1 through the mounting device, the feeding box 8 is installed on the grinding barrel 1 through the four groups of support rods 9, a feeding hopper 10 is communicated and arranged at the left top end of the feeding box 8, a discharge pipe 11 is communicated and arranged at the right bottom end of the feeding box 8, the output end of the discharge pipe 11 is communicated with the left top end of the grinding barrel 1, the spiral feeding roller 12 is rotatably installed inside the feeding box 8, the second motor 13 is installed at the left end of the feeding box 8, and the output end of the second motor 13 is connected with the left end of the spiral feeding roller 12 through the left end of the feeding box 8;

[0022] The raw materials are introduced into the inside of the feeding box 8 through the feeding hopper 10, the second motor 13 is turned on to drive the spiral feeding roller 12 to rotate, the spiral feeding roller 12 then conveys the raw materials, the raw materials are introduced into the grinding barrel 1 at a constant speed through the discharge pipe 11, the first motor 4 is turned on to drive the stirring rod 5 to rotate, the stirring rod 5 then grinds the raw materials, the ground raw materials are filtered through the filter screen 7 and then discharged through the discharge hopper 3, and the feeding speed of the raw materials is controlled through the setting of the equipment, so that the grinding effect is ensured.

[0023] As a preferred embodiment of the above, the installation device includes a mounting plate 14, a handle 15, eight sets of first upright plates 16, four sets of second upright plates 17, four sets of insert rods 18, four sets of handles 19, and four sets of springs 20. The filter screen 7 is installed at the front end of the mounting plate 14, and the rear end of the grinding barrel 1 is connected to an installation port. The mounting plate 14 is located at the installation port of the grinding barrel 1. The handle 15 is installed at the middle of the rear end of the mounting plate 14. The eight sets of first upright plates 16 are symmetrically installed at the rear end of the grinding barrel 1, and the eight sets of first upright plates 16 are respectively located at the mounting plate 14. The upper left, lower left, upper right, and lower right sides of the mounting plate 14 are respectively installed on the upper left, lower left, upper right, and lower right sides of the mounting plate 14. The eight first upright plates 16 and the four second upright plates 17 are all connected with sliding holes. The four sets of insert rods 18 are slidably connected to the eight first upright plates 16. The four sets of insert rods 18 are slidably engaged with the sliding holes of the four sets of second upright plates 17. The four sets of springs 20 are respectively sleeved on the four sets of insert rods 18. The four sets of handles 19 are respectively installed on the outer side of the rear end of the four sets of insert rods 18.

[0024] By setting up an installation plate 14, handle 15, first upright plate 16, second upright plate 17, insertion rod 18, pull handle 19, and spring 20, when the filter screen 7 needs to be cleaned, the four sets of pull handles 19 pull the four sets of insertion rods 18 outward. After the four sets of insertion rods 18 separate from the four sets of second upright plates 17, the installation plate 14 is removed from the grinding barrel 1 by the handle 15, and the filter screen 7 is removed along with the installation plate 14, which makes it easy to disassemble the filter screen 7 and thus easy to clean it.

[0025] As a preferred embodiment of the above embodiment, a heating tube 21 is also included, which is installed inside the feeding box 8;

[0026] By setting the heating tube 21, the moisture content of the raw materials can be reduced, preventing adhesion and clumping, thereby improving grinding quality and efficiency.

[0027] As a preferred embodiment of the above embodiment, the upper side of the inner wall of the grinding barrel 1 is provided with a plurality of grinding teeth 22;

[0028] By setting the grinding teeth 22, the contact area between the raw material and the grinding barrel 1 can be increased, thereby improving the grinding efficiency.

[0029] As a preferred embodiment of the above, it also includes four sets of reinforcing bases 23, which are respectively installed at the bottom of the four sets of support legs 2.

[0030] By setting up a reinforced base 23, the overall stability of the grinding barrel 1 can be improved.

[0031] As a preferred embodiment of the above embodiment, a soundproof cover is provided on the outside of the grinding barrel 1;

[0032] The raw materials are ground by multiple sets of grinding hammers 6, which generates noise, and the soundproof cover can reduce the noise.

[0033] As a preferred embodiment of the above, the filter screen 7 is made of high carbon steel.

[0034] High carbon steel has high hardness and wear resistance, and is suitable for materials with high abrasiveness.

[0035] As a preferred embodiment of the above, the second motor 13 is a variable frequency motor.

[0036] It is convenient to adjust the feeding speed according to different types of raw materials, so as to optimize the grinding effect.

[0037] The impact type grinding and granulating equipment for granular medicament production of the utility model, when working, first, the raw materials are introduced into the feeding box 8 through the feeding hopper 10, the second motor 13 is opened, the second motor 13 drives the spiral feeding roller 12 to rotate, the spiral feeding roller 12 transports the raw materials, the heating pipe 21 dries the raw materials, then the raw materials are introduced into the grinding barrel 1 at a constant speed through the discharge pipe 11, the first motor 4 is opened, the first motor 4 drives the stirring rod 5 to rotate, the stirring rod 5 grinds the raw materials, and the ground raw materials are filtered through the filter screen 7 and discharged through the discharge hopper 3.

[0038] The impact type grinding and granulating equipment for granular medicament production of the utility model is installed, connected or arranged in a common mechanical manner, and can be implemented as long as the beneficial effects can be achieved; the first motor 4, the second motor 13 and the heating pipe 21 of the impact type grinding and granulating equipment for granular medicament production of the utility model are purchased on the market, and the technical personnel in the industry only need to install and operate according to the attached instruction manual.

[0039] The above is only a preferred embodiment of the utility model, and it should be pointed out that for ordinary technical personnel in the technical field, a number of improvements and modifications can be made without departing from the technical principles of the utility model, and these improvements and modifications should also be regarded as the protection range of the utility model.

Claims

1. A particle pharmaceutical production impact grinding and sizing apparatus characterized by, The utility model provides a grinding barrel (1), four groups of supporting legs (2), a discharge hopper (3), a first motor (4), a stirring rod (5), a plurality of grinding hammers (6), a filter screen (7), a feeding box (8), four groups of supporting rods (9), a spiral feeding roller (12), a second motor (13) and mounting devices, four groups of supporting legs (2) are respectively installed at the front lower side and rear lower side of the left end and right end of the grinding barrel (1), the discharge hopper (3) is installed at the bottom end of the grinding barrel (1) and is communicated with it, the first motor (4) is installed at the top middle part of the grinding barrel (1), the stirring rod (5) is rotatably installed at the inner top end of the grinding barrel (1), the output end of the first motor (4) is connected with the top end of the stirring rod (5) through the top end of the grinding barrel (1), a plurality of grinding hammers (6) are installed at the left end and right end of the stirring rod (5), the filter screen (7) is installed in the middle part of the grinding barrel (1) through the mounting device, the feeding box (8) is installed on the grinding barrel (1) through four groups of supporting rods (9), the top left side of the feeding box (8) is provided with a feeding hopper (10) in communication, the bottom right side of the feeding box (8) is provided with a discharge pipe (11) in communication, the output end of the discharge pipe (11) is communicated with the left side of the top end of the grinding barrel (1), the spiral feeding roller (12) is rotatably installed in the feeding box (8), the second motor (13) is installed at the left end of the feeding box (8), and the output end of the second motor (13) is connected with the left end of the spiral feeding roller (12) through the left end of the feeding box (8).

2. The impact type grinding and granulating apparatus for producing a granular medicament according to claim 1, wherein The mounting device comprises a mounting plate (14), a handle (15), eight groups of first vertical plates (16), four groups of second vertical plates (17), four groups of inserting rods (18), four groups of handles (19) and four groups of springs (20), the filter screen (7) is installed at the front end of the mounting plate (14), the rear end of the grinding barrel (1) is provided with a mounting opening in communication, the mounting plate (14) is located at the mounting opening of the grinding barrel (1), the handle (15) is installed at the rear end middle part of the mounting plate (14), eight groups of first vertical plates (16) are respectively and symmetrically installed at the rear end of the grinding barrel (1), eight groups of first vertical plates (16) are respectively located at the left upper side, the left lower side, the right upper side and the right lower side of the mounting plate (14), four groups of second vertical plates (17) are respectively installed at the left upper side, the left lower side, the right upper side and the right lower side of the rear end of the mounting plate (14), sliding holes are formed in the eight groups of first vertical plates (16) and the four groups of second vertical plates (17) and communicated, four groups of inserting rods (18) are respectively and slidably connected with the eight groups of first vertical plates (16), the four groups of inserting rods (18) are respectively and slidably clamped with the sliding holes of the four groups of second vertical plates (17), four groups of springs (20) are respectively sleeved on the four groups of inserting rods (18), and four groups of handles (19) are respectively installed at the rear end outer sides of the four groups of inserting rods (18).

3. The impact type grinding and granulating apparatus for producing a granular medicament according to claim 2, wherein It also comprises a heating pipe (21) installed in the feeding box (8).

4. The impact type grinding and granulating apparatus for producing a granular medicament according to claim 3, wherein A plurality of grinding teeth (22) are arranged on the inner wall upper side of the grinding barrel (1).

5. The impact type grinding and granulating apparatus for producing a granular medicament according to claim 4, wherein It also comprises four groups of reinforcing bases (23) respectively installed at the bottom ends of the four groups of supporting legs (2).

6. The impact type grinding and granulating apparatus for producing a granular medicament according to claim 5, wherein The outer side of the grinding barrel (1) is provided with a soundproof cover.

7. The impact type grinding and granulating apparatus for producing a granular medicament according to claim 6, wherein The filter screen (7) is made of high-carbon steel.

8. The impact type grinding and granulating apparatus for producing a granular medicament according to claim 7, wherein The second motor (13) is a variable frequency speed regulating motor.