CN210965024U

CN210965024U - Granulation mechanism and granulator

Info

Publication number: CN210965024U
Application number: CN201921683322.5U
Authority: CN
Inventors: 刘峰; 李永伦; 沈贤斌; 沈正青; 舒成; 杨洪杰; 王俊豪
Original assignee: China Shenhua Coal to Liquid Chemical Co Ltd; Shanghai Research Institute of China Shenhua Coal to Liquid Chemical Co Ltd
Current assignee: China Shenhua Coal to Liquid Chemical Co Ltd; Shanghai Research Institute of China Shenhua Coal to Liquid Chemical Co Ltd
Priority date: 2019-10-09
Filing date: 2019-10-09
Publication date: 2020-07-10
Anticipated expiration: 2029-10-09

Abstract

The utility model relates to a granulation technical field discloses a granulation mechanism and granulator. The granulating mechanism comprises a movable part (1) and a static part (2); the movable part (1) comprises a first rotating shaft (11) used for installing the movable part (1) on the static part (2) and a first rotating part (12) which is fixed with the first rotating shaft (11) and can adjust the distance with the static part (2) in the axial direction of the first rotating shaft (11). The granulation mechanism can realize the adjustment of the distance between the first rotary part (12) and the static part (2), is beneficial to the granulation mechanism to operate for a period of time, and can still normally granulate by adjusting the gap between the first rotary part (12) and the static part (2) although the movable part (1) and the static part (2) are worn, thereby optimizing the granulation function.

Description

Granulation mechanism and granulator

Technical Field

The utility model relates to a granulation technique specifically relates to a granulation mechanism and granulator.

Background

The flat-die extrusion granulator is widely applied to the special powder forming granulation production in the chemical fertilizer, fine chemical industry and metallurgy industry. The granulation of the flat die extrusion granulator is completed in a die plate hole under a roller. The granulation mechanism is formed by installing three rollers on a three-foot cross-shaped roller seat at an included angle of 120 degrees, and the roller seat is connected with a main shaft by a key. When the main shaft rotates, the roller seat is driven to rotate, once a layer of material is distributed on the template, the roller rotates by the friction between the circumferential surface of the roller and the material surface, and the layer of material on the template is rolled into the small holes of the template along with the rotation of the roller. If the powder material enters the roller bearing to cause the roller to be incapable of rotating, the roller is easy to sweep the material rather than roll, namely the material is not easy to be extruded into the template hole to influence granulation; when the roller and the die plate are worn by continuous operation, the clearance between the roller and the die plate is increased, and granulation is also influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the problem that the roller cannot rotate because the powder material enters the roller bearing in the prior art, namely the material is not easy to be extruded into the template hole; when running roller and template through continuous operation and wearing and tearing back running roller and the problem that the unable rotation of running roller also influences the granulation is unfavorable for granulation and powder material entering running roller bearing to the clearance increase between the template, provide granulation mechanism and granulator, this granulation mechanism can adjust the distance between running roller and the template and can prevent that the powder material from getting into the problem of the unable rotation of running roller that the bearing and lead to.

In order to achieve the above object, one aspect of the present invention provides a granulating mechanism, which includes a moving part and a static part; the movable part comprises a first rotating shaft for mounting the movable part on the static part and a first rotating part which is fixed with the first rotating shaft and can adjust the distance between the movable part and the static part in the axial direction of the first rotating shaft.

Furthermore, the first revolving part comprises an installation seat penetrating through the periphery of the first revolving shaft, a second revolving part fixed on the installation seat and an adjusting structure positioned between the first revolving shaft and the installation seat and used for adjusting the distance between the first revolving part and the static part.

Further, the adjustment structure comprises a sleeve; the sleeve is detachably and fixedly connected with the first rotating shaft and the mounting seat; the sleeve is covered on the periphery of the first rotating shaft; the sleeve is in threaded connection with the mounting seat through external threads formed on the outer surface of the sleeve.

Further, the movable part also comprises a detachable connecting structure for limiting the movement of the sleeve.

Further, the detachable connection structure includes a key located between the sleeve and the first rotating shaft for limiting circumferential movement of the first rotating shaft and the sleeve; and a first groove and a second groove which are matched with the key for use are respectively formed on the sleeve and the first rotating shaft.

Further, the second rotary part comprises at least one rotary subunit; the rotor unit comprises a second rotating shaft fixedly connected with the mounting seat and a wheel-shaped object rotating along the axis of the second rotating shaft; the axis of the second revolving shaft is perpendicular to the axis of the first revolving shaft.

Further, the rotor unit further includes a bearing connecting the wheel and the second rotor shaft, and a dust prevention unit preventing dust from entering the bearing.

Further, the dustproof unit comprises a dustproof ring.

Furthermore, the second rotary part comprises a plurality of rotor units which are uniformly distributed along the circumferential direction of the first rotary shaft.

The utility model discloses the second aspect provides a granulator, the granulator include above granulation mechanism.

Through the technical scheme, the first rotating shaft of the moving part penetrates through the static part, and the first rotating part which is fixed on the first rotating shaft and rotates together with the first rotating shaft is arranged to be capable of adjusting the distance between the first rotating shaft and the static part. The mechanism can realize the adjustment of the distance between the first rotary part and the static part, is favorable for the granulation mechanism to operate for a period of time, and can still normally granulate by adjusting the gap between the first rotary part and the static part although the movable part and the static part are both abraded, thereby optimizing the granulation function.

Drawings

FIG. 1 is a cross-sectional view of a front view of a pelletizing mechanism in accordance with one embodiment;

FIG. 2 is a top view of FIG. 1;

fig. 3 is a partially enlarged view of fig. 1.

Description of the reference numerals

1-a moving part; 11-a first axis of rotation; 111-a first recess; 12-a first turn; 122-a mount; 121-a second turn; 123-rotor unit; 1231-a second axis of rotation; 1232-wheel; 1233-bearings; 1234-a dust-proof unit; 1235-dust ring; 1236-framework oil seal; 1237-inner wheel cover; 13-adjusting the structure; 131-a sleeve; 132-a second groove; a 14-bond; 15-material scraping device; 2-a static part; 21-granulating a template; 22-a through hole; 23-a first surface; 16-screw cap.

Detailed Description

In the present invention, the embodiments and the features of the embodiments may be combined with each other without conflict.

In the present invention, it is to be understood that the terms "away", "toward", "up", "down", "front", "back", "left", "right", and the like indicate orientations or positional relationships corresponding to orientations or positional relationships actually used; "inner and outer" refer to the inner and outer relative to the profile of the components themselves; this is merely for convenience in describing the invention and for simplicity in description, and is not intended to indicate that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the invention; in the present invention, "granulation" refers to a process of placing a material in a closed space having a certain shape, and making the material into an ideal structural shape by applying an external force.

The present invention will be described in detail with reference to the accompanying drawings in conjunction with embodiments.

In order to achieve the above object, one aspect of the present invention provides a granulating mechanism, as shown in fig. 1, the granulating mechanism includes a movable portion 1 and a stationary portion 2; the movable section 1 includes a first rotating shaft 11 for attaching the movable section 1 to the stationary section 2, and a first rotating section 12 fixed to the first rotating shaft 11 and adjustable in distance from the stationary section 2 in the axial direction of the first rotating shaft 11.

A first rotating shaft 11 of a moving part 1 is inserted into a static part 2, and a first rotating part 12 fixed to the first rotating shaft 11 and rotating together with the first rotating shaft 11 is provided so that the distance between the first rotating shaft 11 and the static part 2 can be adjusted. The granulation mechanism can realize the adjustment of the distance between the first rotary part 12 and the static part 2, and is beneficial to normal granulation through adjusting the gap between the first rotary part 12 and the static part 2 although the movable part 1 and the static part 2 are worn after the granulation mechanism runs for a period of time, thereby optimizing the granulation function.

Preferably, the first rotating part 12 includes an installation seat 122 penetrating through the outer periphery of the first rotating shaft 11, a second rotating part 121 fixed on the installation seat 122, and an adjusting structure 13 between the first rotating shaft 11 and the installation seat 122 for adjusting the distance between the first rotating part 12 and the stationary part 2. The distance between the movable part 1 and the static part 2 can be conveniently adjusted by arranging the adjusting structure 13, so that the problem of the distance between the first rotating part 12 and the static part 2 expanding due to abrasion along with the operation of the granulating mechanism is solved.

Preferably, the adjustment structure 13 comprises a sleeve 131; the sleeve 131 is detachably and fixedly connected with the first rotating shaft 11 and the mounting seat 122; the sleeve 131 is wrapped around the first rotating shaft 11; the sleeve 131 is threadedly coupled to the central hole of the mounting seat 122 through external threads formed on an outer surface of the sleeve 131. The sleeve 131 and the first rotating shaft 11 are fixedly connected in a detachable mode so that the first rotating part 12 can be adjusted in a large range in the axial direction of the first rotating shaft 11 conveniently; the mounting seat 122 includes a center hole for penetrating the first rotating shaft 11, and by providing the sleeve 131 between the outer periphery of the first rotating shaft 11 and the inner surface of the center hole formed in the mounting seat 122, and by providing an external thread on the outer periphery of the sleeve 131, and by fixedly connecting the external thread to the mounting seat 122, the first rotating part 12 can be finely adjusted in the axial direction of the first rotating shaft 11, so that the distance between the first rotating part 12 and the stationary part 2 can be in an ideal state.

Preferably, the moving part 1 further comprises a detachable connection structure for limiting the movement of the sleeve 131. In order to adjust the distance between the first rotating part 12 and the stationary part 2 in a wide range, the detachable connection structure adopted between the sleeve 131 and the first rotating shaft 11 needs to facilitate the installation and detachment of the sleeve 131 on the first rotating shaft 11, which can improve the working efficiency, reduce the damage to the first rotating shaft 11, and prolong the service life of the first rotating shaft 11.

Preferably, the detachable connection structure comprises a key 14 located between the sleeve 131 and the first swivel shaft 11 for limiting circumferential movement of the first swivel shaft 11 and the sleeve 131; the sleeve 131 and the first rotary shaft 11 are formed with a first groove 111 and a second groove 132 for engaging with the key 14, respectively. The sleeve 131 is fixedly connected with the first rotating shaft 11 by arranging the key 14, when the sleeve 131 needs to be detached from the first rotating shaft 11, the purpose can be achieved by detaching the key 14, then the sleeve 131 is easily moved in the axial direction of the first rotating shaft 11, and then the sleeve 131 is fixed again by using the key 14, so that the purpose of primarily adjusting the distance between the first rotating part 12 and the static part 2 is achieved. Further preferably, the key 14, the sleeve 131 and the first rotating shaft 11 are loosely fitted, and the sleeve 131 is axially fixed at two ends of the sleeve 131, as shown in fig. 1, the first rotating shaft 11 is a stepped shaft, one end of the sleeve 131 close to the stationary portion 2 abuts against a step of the first rotating shaft 11, and the other end of the sleeve 131 is fixed by a nut 16 spirally mounted on the first rotating shaft 11, so that when disassembling, the key 14 can be easily disassembled by first screwing off the nut 16, and then the sleeve 131 can be easily moved. Further preferably, the movable part 1 further comprises a check bolt for preventing the nut 16 from loosening, the check bolt penetrates through the nut 16 and abuts against an end face of the first rotary shaft 11, which is far away from the stationary part 2, so that a pretightening force can be applied to the nut 16 through the check bolt to prevent the nut 16 from loosening. Still further preferably, the key 14 is a round key, and by providing the round key, the impact between the key 14 and the sleeve 131 and between the first rotating shaft 11 can be reduced during the rotation process, so that the operation is smoother.

Preferably, the second turning part 121 comprises at least one rotor unit 123; the rotary subunit 123 includes a second rotary shaft 1231 fixedly connected to the mounting base 122 and a wheel 1232 rotating along the axis of the second rotary shaft 1231; wherein the axis of the second rotating shaft 1231 is perpendicular to the axis of the first rotating shaft 11. The wheel 1232 can revolve around the first rotation shaft 11 and rotate around the axis of the second rotation shaft 1231, and the wheel 1232 in fig. 1-2 can be configured as a roller to facilitate granulation.

The rotor unit 123 is arranged to help crush and granulate the material, and the wheel 1232 is arranged to rotate along the axis of the second rotating shaft 1231 to help ensure that the wheel 1232 rotates normally and has small rotation resistance. Said static part 2 comprises a granulation die plate 21 for granulation, a first surface 23 of said granulation die plate 21 facing said wheel 1232 and perpendicular to the axis of said first rotation axis 11; the axis of said second axis of rotation 1231 is arranged perpendicular to the axis of said first axis of rotation 11, facilitating the full contact between the outer peripheral surface of the wheel 1232 and said first surface 23.

Preferably, the rotary subunit 123 further includes a bearing 1233 connecting the wheel 1232 and the second rotary shaft 1231, and a dust-proof unit 1234 preventing dust from entering the bearing 1233. The dustproof unit 1234 is arranged to prevent the wheel 1232 from rotating and affecting granulation due to the fact that the material enters the bearing 1233.

Preferably, the dust prevention unit 1234 includes a dust ring 1235. The dust ring 1235 is installed on the second rotating shaft 1231 and located at one end of the bearing 1233 close to the mounting seat 122, a dust ring 1235 is installed at the shaft seal portion of each bearing 1233, the dust ring 1235 can be set as a lip-shaped dust ring shown in fig. 3, the lip of the lip-shaped dust ring is deformed under the action of the lubricating oil in the bearing 1233 through the lip mouth of the lip-shaped dust ring, so that the lip of the lip-shaped dust ring is tightly attached to the outer surface of the second rotating shaft 1231, and the lip-shaped dust ring has the greatest advantage that the lip-shaped dust ring has the capability of automatic compensation after being worn, so that the sealing can be ensured.

Further preferably, as shown in fig. 3, the dust-proof unit 1234 further includes a frame oil seal 1236 to prevent leakage of the lubricating oil. The framework oil seal 1236 is disposed on one side of the bearing 1233 close to the mounting seat 122 and is sleeved on the second rotating shaft 1231. The lip-shaped dust ring is installed on one side of the framework oil seal 1236 close to the installation seat 122.

Still more preferably, as shown in fig. 3, the dust-proof unit 1234 further includes a wheel inner cover 1237 to prevent materials from entering between the contact surfaces of the wheel 1232 and the bearing 1233 and into the bearing 1233 to affect the operation of the wheel 1232.

Preferably, the second rotating part 121 includes a plurality of the rotor units 123, and the rotor units 123 are uniformly distributed along the circumferential direction of the first rotating shaft 11. In one embodiment, as shown in fig. 2, the second revolving part 121 comprises 3 said rotor units 123 distributed circumferentially and uniformly around the first revolving shaft 11, which improves the efficiency of granulation and is simple in structure.

Further preferably, the granulating die plate 21 includes a through hole 22 penetrating the granulating die plate 21 and arranged perpendicular to the first surface 23, and by arranging the through hole 22, when the wheel 1232 revolves around the first rotation axis 11 and/or rotates around the second rotation axis 1231, the material enters the through hole 22 from the opening of the first surface 23 formed by the through hole 22 and flows out from the other opening of the through hole 22 under the force between the wheel 1232 and the granulating die plate 21.

Further preferably, the movable part 1 further comprises scrapers 15, each scraper 15 corresponds to one rotor unit 123, and the scrapers 15 are arranged as granulating templates with lengths distributed along the radial direction of the first rotating shaft 11; one end of the scraper 15 is fixed on the mounting seat 122, and the other end of the scraper 15 is of a cantilever structure; thus, during the rotation of the first rotating part 12, on the one hand, the rotor unit 123 rolls and granulates the material stacked on the first surface 23, and on the other hand, the scraper 15 pushes the material against the first surface 2 in a direction parallel to the first surface 23, thus facilitating the material being granulated to flow out of the through hole 22.

The granulation mechanism of this application on the one hand can realize the adjustment of the distance between first gyration portion 12 and quiet portion 2, is favorable to the granulation mechanism after operation a period, because the wearing and tearing of wheel 1232 in first gyration portion 12 and the granulation template 21 in quiet portion 2 cause the clearance increase between wheel 1232 and the granulation template 21 to be unfavorable for the condition of granulation to adjust. On the other hand, a lip-shaped dust ring is arranged between the wheel 1232 and the second rotating shaft 1231, so that the dust sealing capacity of the bearing 1233 is enhanced, the situation that the wheel 1232 cannot rotate due to the fact that materials enter the bearing 1233 is avoided, and the granulating function of the granulating mechanism is optimized.

The utility model discloses the second aspect provides a granulator, the granulator include above granulation mechanism. The technical advantages of the granulator are the same as the technical advantages of the granulating mechanism. And will not be described in detail herein.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto. The technical scheme of the utility model in the technical conception scope, can be right carry out multiple simple variant. Including each of the specific features, are combined in any suitable manner. In order to avoid unnecessary repetition, the present invention does not separately describe various possible combinations. These simple variations and combinations should also be considered as disclosed in the present invention, all falling within the scope of protection of the present invention.

Claims

1. A granulation mechanism is characterized by comprising a movable part (1) and a static part (2); the movable part (1) comprises a first rotating shaft (11) used for installing the movable part (1) on the static part (2) and a first rotating part (12) which is fixed with the first rotating shaft (11) and can adjust the distance with the static part (2) in the axial direction of the first rotating shaft (11).

2. Granulation mechanism according to claim 1, characterized in that said first rotary part (12) comprises a mounting seat (122) passing through the periphery of said first rotary shaft (11) and a second rotary part (121) fixed to said mounting seat (122), and an adjustment structure (13) between said first rotary shaft (11) and said mounting seat (122) for adjusting the distance between said first rotary part (12) and said stationary part (2).

3. The granulation mechanism according to claim 2, wherein said adjustment structure comprises a sleeve (131); the sleeve (131) is fixedly connected with the first rotating shaft (11) and the mounting seat (122) in a detachable mode; the sleeve (131) is covered on the periphery of the first rotating shaft (11); the sleeve (131) is screwed with the mounting seat (122) through an external thread formed on the outer surface of the sleeve (131).

4. The granulation mechanism according to claim 3, wherein said mobile part (1) further comprises a removable connection structure for limiting the movement of said sleeve (131).

5. The pelletizing mechanism according to claim 4, characterized in that said detachable connection structure comprises a key (14) between said sleeve (131) and said first rotation axis (11) for limiting the circumferential movement of said first rotation axis (11) and said sleeve (131); the sleeve (131) and the first rotary shaft (11) are respectively provided with a first groove (111) and a second groove (132) which are matched with the key (14).

6. Granulation mechanism according to claim 2, characterized in that said second carrousel (121) comprises at least one rotor unit (123); the rotary subunit (123) comprises a second rotary shaft (1231) fixedly connected with the mounting seat (122) and a wheel (1232) capable of rotating along the axis of the second rotary shaft (1231); wherein the axis of the second rotating shaft (1231) is perpendicular to the axis of the first rotating shaft (11).

7. The granulation mechanism according to claim 6, characterized in that said rotor unit (123) further comprises a bearing (1233) connecting said wheel (1232) and said second rotation axis (1231) and a dust-proof unit (1234) preventing the entry of dust into said bearing (1233).

8. The granulation mechanism according to claim 7, characterized in that said dust-tight unit (1234) comprises a dust-tight ring (1235).

9. Granulation mechanism according to claim 8, characterized in that said second revolution (121) comprises a plurality of said rotor units (123), said rotor units (123) being circumferentially distributed along said first revolution shaft (11).

10. A granulator comprising a granulating mechanism as claimed in any one of claims 1 to 9.