Wet mixing granulator

Abstract

The utility model relates to the technical field of pharmaceutical production and processing, in particular to a wet mixing granulator which comprises a rack, a mixing barrel is fixedly connected to the top of the rack, a stirring mechanism and a granulating mechanism are arranged in the mixing barrel, and the stirring mechanism and the granulating mechanism are used in cooperation for granulating; wherein the granulating mechanism comprises a connecting rod, the end part of the connecting rod is provided with a plurality of mounting parts at intervals through connecting pieces, the mounting parts are fixedly connected with granulating knives through fixing assemblies, and the plurality of granulating knives can be arranged at intervals through the connecting pieces; the connecting piece can fix the multiple mounting parts under the condition that the fastening piece abuts against the connecting piece, the effect that the mounting parts rotate synchronously to prevent idling is achieved, in addition, the granulating cutter can be firmly fixed through the fixing assembly, the granulating cutter can be rapidly disassembled, cleaning and maintenance are convenient, and the practicability is high. The shutdown replacement time is shortened; and the practicability is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to tablet production and processing technical field especially relates to a wet mixing granulator. BACKGROUND

[0002] The wet mixing granulator is a kind of equipment commonly used in pharmaceutical, food, feed and ceramic industries, mainly used to make powder into granules, and the powder material is in the conical kettle body, and forms the semi-flowing high-efficiency mixing state under the action of stirring paddle, after binder injection, material gradually gets wet, and forms the soft material of loose.

[0003] In order to facilitate the powder into granules, it needs to be processed by a wet mixing granulator, such as the prior art Chinese patent publication number "CN206415074U" discloses a wet mixing granulator, including base, cylinder, stirring mechanism and granulating mechanism, cylinder is equipped with cylinder cover, the cylinder cover is equipped with feed hopper and liquid inlet device, stirring mechanism includes the stirring paddle arranged at the bottom of the cylinder and the stirring drive mechanism for driving the stirring paddle to rotate, the granulating mechanism includes the granulating cutter arranged at one side of the cylinder and the granulating motor for driving the granulating cutter to rotate, the output shaft of the granulating motor is in transmission connection with the rotating shaft of the granulating cutter, the rotating shaft of the granulating cutter is equipped with granulating blade at intervals, and the granulating blade includes blade body, the middle part of the blade body is equipped with mounting part, the mounting part is uniformly equipped with blade part in annular shape, the mounting part is equipped with mounting hole matched with the rotating shaft of the granulating cutter, and the blade part includes the back of the blade integrally formed with the mounting part and the blade mounted on the back of the blade, and the cutting edge of the blade is recessed towards the back of the blade in arc shape.

[0004] In the specific operation, the granulating cutter cooperates with the stirring paddle to granulate powder, but the granulating cutter is not convenient to disassemble and replace after long time use, and the cumbersome replacement steps need to prolong the downtime of the granulator, which affects the subsequent granulating efficiency and practicality. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the above-mentioned shortcomings of the prior art that the granulating cutter is not convenient to disassemble and replace, and provides a wet mixing granulator.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] A kind of wet mixing granulator is designed, including rack, mixing barrel is fixedly connected on the top of the rack, stirring mechanism and granulating mechanism are equipped in the mixing barrel, the stirring mechanism and the granulating mechanism are used in cooperation to granulate;

[0008] The granulating mechanism comprises a connecting rod, and end portions of the connecting rod are provided with a plurality of mounting portions at intervals through connecting pieces.

[0009] Further, the connecting rod is rotatably connected to the side wall of the mixing barrel through a driving device, and a sealing element is arranged between the connecting rod and the mixing barrel.

[0010] Further, the connecting piece is sleeved on the periphery of the connecting rod through the through hole of the midpoint, and second limiting grooves are symmetrically arranged on both sides of the connecting piece.

[0011] Further, the fixing assembly comprises a fixing portion, and at least one pair of fixing portions are arranged in the recessed portions on both sides of the mounting portion.

[0012] Further, the granulating cutter and the protruding portions on the side surface of the mounting portion are provided with the abutting block, one end side of the abutting block is provided with a protruding portion, the side surface of the mounting portion is slidably connected with the protruding portion through the sliding groove, a lead screw is rotatably connected in the sliding groove, the lead screw is threadedly connected with the protruding portion, and the abutting block is tightly abutted with the granulating cutter and the protruding portions on the side surface of the mounting portion on both sides.

[0013] Further, the other end of the connecting rod is threadedly connected with a fastener, the fastener is used for tightly abutting the mounting portion on the most side, and the fastener is tightly abutted and fixed with a plurality of mounting portions in cooperation with the first limiting groove and the connecting piece.

[0014] The wet mixing granulator has the advantages that the connecting piece can be used for spacing a plurality of granulating cutters, the granulating cutters are prevented from being tightly abutted to lose the granulating effect, the connecting piece is clamped with the limiting blocks of the mounting portions through the limiting grooves on the side surface, a plurality of mounting portions can be fixed under the abutment of the fastener, the synchronous rotation of the mounting portions is prevented, the granulating cutter can be fixed through the fixing assembly, the granulating cutter can be quickly disassembled, cleaning and maintenance are facilitated, the time for stopping and replacing is reduced, and the utility model has high practicability. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structure schematic view of the utility model;

[0016] Figure 2 It is a top view of the utility model;

[0017] Figure 3 It is a structure schematic view of the connecting part of the utility model;

[0018] Figure 4 It is a structure schematic view of the fixing assembly of the utility model;

[0019] Figure 5 It is Figure 4 The enlarged structure schematic view of A area.

[0020] In the drawing: 1, rack; 2, mixing bucket; 3, stirring mechanism; 4, granulating mechanism; 41, connecting rod; 411, stop plate; 412, first limiting groove; 42, connecting piece; 421, second limiting groove; 43, mounting portion; 431, limiting block; 432, screw rod; 44, granulating knife; 441, accommodation groove; 442, sliding groove; 5, fixing assembly; 51, fixing portion; 52, abutting block; 521, protruding portion; 53, fastener. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0022] Referring to Figures 1-5 A wet mixing granulator, including rack 1, mixing bucket 2 is fixedly connected on the top of rack 1, the mixing bucket 2 is equipped with stirring mechanism 3 and granulating mechanism 4 in, stirring mechanism 3 with granulating mechanism 4 is used in cooperation to granulate;

[0023] Wherein, the granulating mechanism 4 includes connecting rod 41, the end of connecting rod 41 is spaced apart by connecting piece 42 and is provided with a plurality of mounting portions 43, the mounting portion 43 is fixedly connected with granulating knife 44 by fixing assembly 5.

[0024] It needs to be supplemented that the stirring mechanism 3 includes stirring paddle, which is rotatably connected to the bottom of the mixing bucket 2, and also includes a motor, which is fixedly connected to the bottom of the rack 1, and the shaft end thereof is fixedly connected with the stirring paddle, the stirring paddle and the granulating knife 44 do not interfere with each other, wherein a bucket cover that can close the top opening is rotatably connected to the top of the mixing bucket 2.

[0025] In the wet granulator, the powder is stirred by the stirring paddle, then a proper amount of water or water-soluble liquid is added as a binder, the stirring paddle starts to work, the material and the binder are mixed well, the material gradually forms granules under the action of the stirring paddle, the granulating knife first cuts the material to prevent the formation of large lumps, and finally the material is discharged from the discharge pipe on the side of the mixing barrel 2 for drying.

[0026] Further, the connecting rod 41 is rotatably connected to the side wall of the mixing barrel 2 by a driving device, and a sealing element is arranged between the connecting rod 41 and the mixing barrel 2. One end of the connecting rod 41 close to the mixing barrel 2 is fixedly connected with a stop plate 411, and the end face of the stop plate 411 is provided with a first limiting groove 412.

[0027] Further, the connecting rod 41 is rotatably connected to the side wall of the mixing barrel 2 by a driving device, and a sealing element is arranged between the connecting rod 41 and the mixing barrel 2. One end of the connecting rod 41 close to the mixing barrel 2 is fixedly connected with a stop plate 411, and the end face of the stop plate 411 is provided with a first limiting groove 412.

[0028] It is worth mentioning that the connecting rod 41 is rotatably connected to the side wall of the mixing barrel 2 by a driving device, and a sealing element is arranged between the connecting rod 41 and the mixing barrel 2. One end of the connecting rod 41 close to the mixing barrel 2 is fixedly connected with a stop plate 411, and the end face of the stop plate 411 is provided with a first limiting groove 412.

[0029] In more detail, the fixing assembly 5 includes a fixing part 51, and at least one pair of fixing parts 51 is arranged in the recessed part on both sides of the mounting part 43. The cross section of the fixing part 51 is T-shaped structure, wherein one end of the granulating knife 44 is provided with a clearance groove 441 corresponding to the fixing part 51, the clearance groove 441 extends to form a sliding groove 442 close to one side of the fixing part 51, the fixing part 51 penetrates the clearance groove 441 and is slidably connected with the sliding groove 442, and the fixing part 51 abuts against the granulating knife 44 through the protruding structure on the top.

[0030] In general, it also includes an abutting block 52, which is arranged between the granulating knife 44 and the protruding part on the side of the mounting part 43. One end of the abutting block 52 is provided with a protruding part 521, the side of the mounting part 43 is slidably connected with the protruding part 521 through a sliding groove, a lead screw 432 is rotatably connected in the sliding groove, the lead screw 432 is threadedly connected with the protruding part 521, and the abutting block 52 is tightly abutted with the granulating knife 44 and the protruding part on the side of the mounting part 43 on both sides.

[0031] As Figure 4As shown, the two sides of the mounting portion 43 are provided with recessed portions, and the recessed portions form a T-shaped structure. In specific operation, the pelletizing knife 44 is pushed outward by the protruding structure on the top of the fixing portion 51, so that the fixing portion 51 is arranged in the dislocation groove 441 and the sliding groove 442, and the protruding structure at the end of the pelletizing knife 44 is tightly arranged with the fixing portion 51;

[0032] When the end of the sliding groove 442 is in contact with the fixing portion 51, the pelletizing knife 44 and the protruding portion on the side of the mounting portion 43 form a containing groove, the abutting block 52 is arranged in the containing groove, the screw rod 432 is screwed with the protruding portion 521, the abutting block 52 is fixed, and after the abutting block 52 is fixed, the two sides are tightly arranged with the pelletizing knife 44 and the protruding portion on the side of the mounting portion 43, respectively.

[0033] Specifically, the top of the sliding groove is connected with the mounting portion 43, and is used for avoiding the protruding portion 521. The free end of the screw rod 432 is provided with an internal hexagonal hole. The internal hexagonal hole may be adhered with powder, and can be cleaned by a needle-shaped object.

[0034] Finally, the other end of the connecting rod 41 is screwed with a fastener 53, the fastener 53 is used for tightly arranging the mounting portion 43 on the most side, and the fastener 53 is arranged with the first limiting groove 412 and the connecting piece 42 to tightly arrange and fix a plurality of mounting portions 43.

[0035] Specifically, the fastener 53 is a locking nut, and a pair of locking nuts can be arranged. The pair of locking nuts are tightly arranged with each other and tightly arranged with the connecting piece 42 on the side, so as to cooperate with the first limiting groove 412 on the other side to fix a plurality of mounting portions 43.

[0036] Working mode; when working, the powder is poured into the mixing barrel 2, and an appropriate amount of water or water-soluble liquid is added as an adhesive in the mixing barrel 2. The motors at the bottom and top of the rack 1 drive the stirring paddle and the pelletizing knife 44 to rotate, respectively. The material and the adhesive are mixed sufficiently. The material gradually forms particles under the action of the stirring paddle. The pelletizing knife first cuts the material to prevent the formation of large lumps. Finally, the material is discharged from the discharge pipe on the side of the mixing barrel 2 for drying;

[0037] When the pelletizing knife 44 needs to be cleaned and maintained, the screw rod 432 is rotated by a hexagonal screwdriver. The protruding portion 521 drives the abutting block 52 to move outward. After the abutting block 52 is unlocked, the pelletizing knife 44 is pushed to correspond to the dislocation groove 441, and then the pelletizing knife 44 can be disassembled. The same steps can be used for installation.

[0038] Of course, the number of mounting portions 43 can also be adjusted by unlocking the fastener 53.

[0039] The above merely describes a preferred embodiment of the present application, but the scope of protection of the present application is not limited thereto. Any skilled person in the art, according to the technical scheme and the inventive concept of the present application, can make equivalent substitutions or changes within the technical range disclosed by the present application, which should be covered within the scope of protection of the present application.

Claims

1. A wet-mix granulator comprising a frame (1), characterised in that: The mixing barrel (2) is fixedly connected to the top of the rack (1), and a stirring mechanism (3) and a granulating mechanism (4) are arranged in the mixing barrel (2); the stirring mechanism (3) is used in cooperation with the granulating mechanism (4) to perform granulation. The granulating mechanism (4) comprises a connecting rod (41), and a plurality of mounting portions (43) are arranged at the ends of the connecting rod (41) at intervals through connecting pieces (42); the mounting portions (43) are fixedly connected with granulating knives (44) through fixing assemblies (5).

2. A wet-mix granulator according to claim 1, characterised in that: The connecting rod (41) is rotatably connected to the side wall of the mixing barrel (2) through a driving device, and a sealing element is arranged between the connecting rod (41) and the mixing barrel (2); one end of the connecting rod (41) close to the mixing barrel (2) is fixedly connected with a stop plate (411), and the end face of the stop plate (411) is provided with a first limiting groove (412).

3. A wet-mix granulator according to claim 2, characterised in that: The connecting piece (42) is sleeved on the periphery of the connecting rod (41) through the through hole of the midpoint, and a second limiting groove (421) is symmetrically arranged on both sides of the connecting piece (42); the connecting piece (42) is arranged between the mounting portions (43) on the two adjacent sides, and the mounting portions (43) on the two sides are clamped with the first limiting groove (412) and the second limiting groove (421) through the limiting blocks (431) on the two sides.

4. A wet-mix granulator according to claim 1, characterized in that: The fixing assembly (5) comprises a fixing portion (51), and at least one pair of fixing portions (51) are arranged in the recessed portions on both sides of the mounting portion (43); the fixing portion (51) is in a T-shaped structure in cross section; one end of the granulating knife (44) is provided with a clearance groove (441) corresponding to the fixing portion (51); the clearance groove (441) extends to form a sliding groove (442) close to the fixing portion (51); the fixing portion (51) penetrates the clearance groove (441) and is slidably connected with the sliding groove (442); and the fixing portion (51) abuts against the granulating knife (44) through the protruding structure on the top.

5. A wet-mix granulator according to claim 4, characterised in that: A resisting block (52) is arranged between the granulating knife (44) and the protruding portion on the side surface of the mounting portion (43); one end side of the resisting block (52) is provided with a protruding portion (521); the side surface of the mounting portion (43) is slidably connected with the protruding portion (521) through the sliding groove; a lead screw (432) is rotatably connected in the sliding groove; the lead screw (432) is threadedly connected with the protruding portion (521); and the two sides of the resisting block (52) abut against the granulating knife (44) and the protruding portion on the side surface of the mounting portion (43), respectively.

6. A wet-mix granulator according to claim 2, characterised in that: The other end of the connecting rod (41) is threadedly connected with a fastener (53); the fastener (53) is used for abutting against the mounting portion (43) on the most side; and the fastener (53) abuts against and fixes a plurality of the mounting portions (43) in cooperation with the first limiting groove (412) and the connecting piece (42).

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