CN111203995B

CN111203995B - Grain cutting device

Info

Publication number: CN111203995B
Application number: CN202010180874.5A
Authority: CN
Inventors: 黄鑫宇
Original assignee: Jiaxing Jiayu Electrical Technology Co ltd
Current assignee: Hunan Hongye New Materials Co.,Ltd.
Priority date: 2020-03-16
Filing date: 2020-03-16
Publication date: 2021-10-29
Anticipated expiration: 2040-03-16
Also published as: CN111203995A

Abstract

The invention discloses a granulating device, which comprises a granulating host, wherein a screening device is fixedly installed at the bottom of the granulating host, bearing protection shells are sleeved outside bearings at two ends of a compression roller in the granulating host, and the bearing protection shells are connected with two sides of a shell of the granulating host.

Description

Grain cutting device

Technical Field

The invention relates to the technical field of plastic particle production and manufacturing equipment, in particular to a granulating device.

Background

After the plastic extruder extrudes the material strip, the material strip needs to be cut into plastic granules. At present, the known granulating main machine structure is formed by combining two U-shaped machine plates, an upper and lower compression roller structure, a rotary cutter structure and a fixed cutter structure and is driven by a chain or a gear.

When the existing plastic grain cutting main machine runs, because the bearing is directly arranged on the machine plate, the loss of water to the bearing during working cannot be effectively prevented, and the existing bearing protection shell is not detached, so that the sealing effect is not good; when the compression roller is worn, the gear meshing gap is enlarged, the size of cut plastic particles is different, certain inconvenience is caused to the following process, particles with sizes which are not consistent with requirements are contained in plastic particle products, and the overall quality of the products is affected.

Disclosure of Invention

The present invention is directed to a pellet cutting device to solve the above problems.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a cut grain device, includes and cuts grain host computer, cut grain host computer bottom installation and be fixed with sieving mechanism, cut grain host computer internal compression roller both ends bearing outside cover and have the bearing protection shell, and the bearing protection shell is connected with cutting grain host computer casing both sides.

Preferably, the bearing protection shell comprises main part shell and oil blanket shell, the main part shell cover is in the bearing outside, and the main part shell outside is fixed with eager grain host computer casing, the oil blanket shell is equipped with two, and the symmetry lid is at main part shell both ends, main part shell both ends inner wall symmetry is opened there is the insertion groove, and main part shell both ends outside waits the angle to open threaded hole, threaded hole and insertion groove intercommunication, oil blanket shell bottom is all opened there is the spacing groove, and oil blanket shell bottom outside and insertion groove inner wall sliding connection.

Preferably, the sieving mechanism comprises backup pad, driving piece, dwang, fixed block, tremble movable piece and ejection of compact shell subassembly, the backup pad is the rectangular ring plate structure, and the backup pad both ends respectively with cut grain host computer bottom both ends casing fixed, the fixed block is equipped with four, and just is the rectangular distribution and fixes in the backup pad, the dwang is equipped with two, and two dwang both ends all rotate with two fixed blocks respectively through the bearing and be connected, the driving piece is fixed on the backup pad surface, and the driving piece output is fixed with two dwang, ejection of compact shell subassembly fixed cover is in cutting grain host computer discharge gate department, and ejection of compact shell subassembly bottom is located the backup pad top, tremble the movable piece and be equipped with a plurality ofly, and evenly distributed fixes on two dwang to with ejection of compact shell subassembly both sides outer wall connection.

Preferably, the driving piece comprises driving motor, drive gear, driven gear and toothed belt, the driving motor installation is fixed on the backup pad surface, and the driving motor output is fixed with drive gear, driven gear is equipped with two, and two driven gear symmetric distributions fix in two dwang outsides, the toothed belt cover is in two driven gear and drive gear outsides, and toothed belt internal tooth and drive gear and driven gear meshing.

Preferably, tremble and to move the piece and constitute by cam, fixed plate and spacing concave plate, the fixed cover of cam is in the dwang outside, and the cam outside and spacing concave plate inner wall sliding connection, spacing concave plate is fixed in fixed plate one end bottom, and fixed plate and ejection of compact shell subassembly one side outer wall are fixed.

Preferably, ejection of compact shell subassembly by the connecting piece, connect the material shell, connect the material inner shell, open and shut door, spacer pin, limiting plate and material receiving box and constitute, material receiving box is located the backup pad bottom, and corresponds the discharge gate department that connects the material shell, connect the material shell to pass through the connecting piece and cut grain host computer discharge gate department and be connected, and connect the material shell outside and fixed plate board fixed, open and shut door and limiting plate all are equipped with two, and two open and shut door one end all through the hinge with connect material shell one side to rotate and be connected, two limiting plates are fixed respectively in two open and shut door outsides, the spacer pin both ends are pegged graft with two limiting plates respectively, connect the material inner shell to be located and connect the material shell, and connect the material inner shell bottom inner wall evenly to open and have a plurality of filtration pores.

Preferably, the connecting piece comprises connecting plate, spliced pole and spring, the connecting plate is equipped with two sets ofly, and every group is two, and two sets of connecting plates are fixed respectively and are connect material shell both sides and cut the grain host computer discharge gate department both sides, spliced pole and spring all are equipped with a plurality ofly, and a plurality of spliced pole one end is fixed with a set of connecting plate that is close to and connects material shell both sides, and a plurality of spliced pole other ends slide to run through and keep away from a set of connecting plate that connects material shell both sides, and are a plurality of the spring overlaps respectively in a plurality of spliced pole outsides, and a plurality of spring both ends are fixed with two connecting plates respectively.

Preferably, an anti-falling plate is fixed on the outer side of one end, far away from the material receiving shell, of the connecting column.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, plastic particles which do not meet the requirements and are produced due to the aging of the grain cutting host machine can be effectively screened out through the screening device, the overall quality of the product is improved, manual sorting is not needed, the efficiency is higher, the bearing can be effectively protected through the bearing protection shell, and the bearing is prevented from being damaged in use.

2. According to the invention, through the design of the material receiving outer shell and the material receiving inner shell, screened plastic particles which do not meet the requirements can be effectively collected and reworked, and the loss is reduced.

3. The anti-drop plate is fixed on the outer side of one end, away from the material receiving shell, of the connecting column, so that the connecting column is prevented from dropping off the connecting plate.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a side view of a screening apparatus of the present invention in partial cross-sectional configuration;

FIG. 3 is a schematic view of the connection between the receiving shell and the receiving inner shell;

FIG. 4 is a schematic view of the connection structure of the driving member and the rotating rod according to the present invention;

FIG. 5 is an enlarged view taken at A in FIG. 2;

FIG. 6 is a schematic view of the connection of the drive gear to the toothed belt of the present invention;

fig. 7 is an exploded view of the bearing shield of the present invention.

In the figure: 1-granulating a host; 2-a screening device; 3-a bearing protection shell; 4-a body shell; 5-oil seal housing; 6-inserting groove; 7-a limiting groove; 8-a support plate; 9-a driving member; 10-rotating rods; 11-fixing block; 12-a wobble member; 13-a discharge housing assembly; 14-a drive motor; 15-a drive gear; 16-a driven gear; 17-a toothed belt; 18-a cam; 19-fixing the plate; 20-a limit concave plate; 21-a connector; 22-a receiving shell; 23-receiving the inner shell; 24-opening and closing the door; 25-a limit pin; 26-a limiting plate; 27-a receiving box; 28-a connecting plate; 29-connecting column; 30-a spring; 31-anti-drop plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, a grain cutting device in the drawings comprises a grain cutting host 1, a screening device 2 is installed and fixed at the bottom of the grain cutting host 1, bearing protection shells 3 are sleeved outside bearings at two ends of an inner compression roller of the grain cutting host 1, the bearing protection shells 3 are connected with two sides of a shell of the grain cutting host 1, and the bearings are protected by the bearing protection shells 3.

Bearing protection shell 3 comprises main part shell 4 and

oil blanket shell

5, 4 covers in the bearing outside of main part shell, and the main part shell 4 outside with cut grain host computer 1 casing fixed, oil blanket shell 5 is equipped with two, and the symmetry lid is at main part shell 4 both ends, 4 both ends inner walls of main part shell are symmetrically opened there is insertion groove 6, and angle such as 4 both ends outsides of main part shell open threaded hole, threaded hole and insertion groove 6 intercommunication, 5 bottoms of oil blanket shell are all opened there is spacing

groove

7, and 5 bottoms outsides of oil blanket shell and 6 inner wall sliding connection of insertion groove.

The specific implementation method comprises the following steps: when installing bearing protective housing 3, earlier 4 covers main part shells in the bearing outside, covers two oil blanket shells 5 again, and 5 one end of oil blanket shell insert earlier in the insertion groove 6 of main part shell 4 this moment, insert the back completely, the rethread screw is screwed up to the threaded hole to with the contact of 7 spacing grooves in the oil blanket shell 5, thereby realize spacing to oil blanket shell 5, the rethread oiling realizes high-efficient sealed effect.

Referring to fig. 1-7, the screening device 2 in the figure is composed of a supporting plate 8, a driving member 9, rotating rods 10, four fixing blocks 11, a shaking member 12 and a discharging shell assembly 13, wherein the supporting plate 8 is of a rectangular annular plate structure, two ends of the supporting plate 8 are respectively fixed with the machine shells at two ends of the bottom of the granulating main machine 1, the four fixing blocks 11 are fixed on the supporting plate 8 in a rectangular distribution manner, the two rotating rods 10 are respectively connected with the two fixing blocks 11 through bearings at two ends of the two rotating rods 10, the driving member 9 is fixed on the surface of the supporting plate 8, the output end of the driving member 9 is fixed with the two rotating rods 10, the discharging shell assembly 13 is fixedly sleeved at the discharging port of the granulating main machine 1, the bottom of the discharging shell assembly 13 is positioned at the top of the supporting plate 8, the shaking member 12 is provided with a plurality of the shaking members and is uniformly distributed and fixed on the two rotating rods 10, and is connected with the outer walls of the two sides of the discharging shell component 13, and is screened by the screening device 2.

Drive piece 9 comprises driving motor 14, drive gear 15, driven gear 16 and toothed belt 17, driving motor 14 installation is fixed on 8 surfaces of backup pad, and driving motor 14 output is fixed with drive gear 15, driven gear 16 is equipped with two, and two driven gear 16 symmetric distributions fix in two dwang 10 outsides, toothed belt 17 covers in two driven gear 16 and drive gear 15 outsides, and 17 internal teeth of toothed belt and drive gear 15 and driven gear 16 mesh, provide power through drive piece 9.

Tremble and move piece 12 and constitute by cam 18, fixed plate 19 and spacing

concave plate

20, 18 fixed sheathes in the dwang 10 outside of cam, and the cam 18 outside and 20 inner wall sliding connection of spacing concave plate, spacing concave plate 20 is fixed in 19 one end bottoms of fixed plate, and fixed plate 19 is fixed with ejection of compact shell subassembly 13 one side outer wall, provides the shake function through trembling piece 12.

The discharging shell component 13 consists of a connecting piece 21, a material receiving outer shell 22, a material receiving inner shell 23, an opening and closing door 24, a limiting pin 25, a limiting plate 26 and a material receiving box 27, wherein the material receiving box 27 is positioned at the bottom of the supporting plate 8, and is corresponding to the discharge port of the material receiving shell 22, the material receiving shell 22 is connected with the discharge port of the granulating main machine 1 through a connecting piece 21, the outer side of the material receiving shell 22 is fixed with a fixed plate 19, two opening and closing doors 24 and two limit plates 26 are arranged, one end of each of the two opening and closing doors 24 is rotatably connected with one side of the receiving shell 22 through a hinge, two limit plates 26 are respectively fixed at the outer sides of the two opening and closing doors 24, two ends of the limit pin 25 are respectively inserted with two limit plates 26, the material receiving inner shell 23 is positioned in the material receiving outer shell 22, and connect material inner shell 23 bottom inner wall evenly to open and to have a plurality of filtration pores, carry out the classified screening through ejection of compact shell subassembly 13 to the granule that the grain cutting host computer 1 produced.

Connecting piece 21 comprises connecting plate 28, spliced pole 29 and spring 30, connecting plate 28 is equipped with two sets ofly, and every group is two, and two sets of connecting plates 28 are fixed respectively and are connecing material shell 22 both sides and cut grain 1 discharge gate department both sides, spliced pole 29 and spring 30 all are equipped with a plurality ofly, and a plurality of spliced poles 29 one end is fixed with a set of connecting plate 28 that is close to and connects material shell 22 both sides, and a plurality of spliced pole 29 other ends slide to run through a set of connecting plate 28 of keeping away from and connect material shell 22 both sides, and are a plurality of spring 30 overlaps respectively in a plurality of spliced poles 29 outsides, and a plurality of spring 30 both ends are fixed with two connecting plates 28 respectively, realizes connecing the material shell 22 and cut grain 1 discharge gate department's being connected to connecing through connecting piece 21.

The specific implementation method comprises the following steps: when plastic particles are sorted, at the moment, products cut into particles by the grain cutting host 1 drop through the discharge port of the grain cutting host 1 and fall into the material receiving inner shell 23 in the material receiving outer shell 22, then the products are rotated by the driving motor 14 to drive the driving gear 15 fixed at the output end of the driving gear to rotate, the two driven gears 16 are driven to rotate by matching with the transmission of the toothed belt 17, so that the rotating rod 10 is rotated to drive the plurality of cams 18 fixed on the rotating rod 10 to rotate, the cam 18 is contacted with the limiting concave plate 20, so that the lifting and shaking of the limiting concave plate 20 are driven along with the rotation of the cam 18, the plastic particle products in the material receiving inner shell 23 are shaken and fall, the screening speed is accelerated, the clearance between the two connecting plates 28 is reduced along with the lifting and shaking of the material receiving outer shell 22, the spring is extruded and deformed by the spring 30, and elastic deformation of the spring 30 is generated, the bottom connecting plate 28 is pushed open, the limiting concave plate 20 is always in contact with the outer side of the cam 18, the shaking is more stable, when unqualified plastic particles screened in the material receiving inner shell 23 reach a certain amount, the limiting pin 25 is taken out, the opening and closing door 24 is opened, the material receiving inner shell 23 is taken out, the unqualified plastic particles are poured out for rework, and the cost can be effectively reduced.

An anti-drop plate 31 is fixed on the outer side of one end of the connecting column 29 far away from the material receiving shell 22, so as to prevent the connecting column 29 from dropping off the connecting plate 28.

In the scheme, the type Y80M1-2 is preferably selected as the driving motor 14, the motor operation circuit is a normal and reverse rotation control program of a conventional motor, the circuit operation is a conventional circuit, the circuits and the control related in the invention are the prior art, and redundant description is not repeated herein.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a cut grain device, includes and cuts grain host computer (1), its characterized in that: the screening device (2) is fixedly installed at the bottom of the granulating main machine (1), bearing protection shells (3) are sleeved outside bearings at two ends of a compression roller in the granulating main machine (1), and the bearing protection shells (3) are connected with two sides of a shell of the granulating main machine (1);

the bearing protection shell (3) is composed of a main body shell (4) and two oil seal shells (5), the main body shell (4) is sleeved on the outer side of a bearing, the outer side of the main body shell (4) is fixed with a shell of the granulating main machine (1), the two oil seal shells (5) are symmetrically covered at two ends of the main body shell (4), insertion grooves (6) are symmetrically formed in the inner walls of two ends of the main body shell (4), threaded holes are formed in the outer sides of two ends of the main body shell (4) at equal angles and communicated with the insertion grooves (6), limiting grooves (7) are formed in the bottom end of the oil seal shell (5), and the outer side of the bottom end of the oil seal shell (5) is in sliding connection with the inner walls of the insertion grooves (6);

the screening device (2) is composed of a supporting plate (8), a driving part (9), rotating rods (10), fixed blocks (11), a shaking part (12) and a discharging shell component (13), wherein the supporting plate (8) is of a rectangular annular plate structure, the two ends of the supporting plate (8) are respectively fixed with the two end shells at the bottom of the grain cutting host (1), the number of the fixed blocks (11) is four, the fixed blocks are distributed and fixed on the supporting plate (8) in a rectangular manner, the number of the rotating rods (10) is two, the two ends of the two rotating rods (10) are respectively and rotatably connected with the two fixed blocks (11) through bearings, the driving part (9) is fixed on the surface of the supporting plate (8), the output end of the driving part (9) is fixed with the two rotating rods (10), the discharging shell component (13) is fixedly sleeved at the discharging port of the grain cutting host (1), and the bottom of the discharging shell component (13) is positioned at the top of the supporting plate (8), a plurality of shaking pieces (12) are arranged, are uniformly distributed and fixed on the two rotating rods (10), and are connected with the outer walls of the two sides of the discharging shell assembly (13);

the driving piece (9) is composed of a driving motor (14), a driving gear (15), driven gears (16) and a toothed belt (17), the driving motor (14) is installed and fixed on the surface of the supporting plate (8), the output end of the driving motor (14) is fixed with the driving gear (15), the driven gears (16) are arranged in two numbers, the two driven gears (16) are symmetrically distributed and fixed on the outer sides of the two rotating rods (10), the toothed belt (17) is sleeved on the outer sides of the two driven gears (16) and the driving gear (15), and the inner teeth of the toothed belt (17) are meshed with the driving gear (15) and the driven gears (16);

the shaking piece (12) consists of a cam (18), a fixed plate (19) and a limiting concave plate (20), the cam (18) is fixedly sleeved on the outer side of the rotating rod (10), the outer side of the cam (18) is in sliding connection with the inner wall of the limiting concave plate (20), the limiting concave plate (20) is fixed at the bottom of one end of the fixed plate (19), and the fixed plate (19) is fixed with the outer wall of one side of the discharging shell assembly (13);

the discharging shell assembly (13) consists of a connecting piece (21), a receiving shell (22), a receiving inner shell (23), an opening and closing door (24), a limiting pin (25), a limiting plate (26) and a receiving box (27), wherein the receiving box (27) is positioned at the bottom of a supporting plate (8) and corresponds to the discharging port of the receiving shell (22), the receiving shell (22) is connected with the discharging port of the granulating host (1) through the connecting piece (21), the outer side of the receiving shell (22) is fixed with a fixed plate (19), the opening and closing door (24) and the limiting plate (26) are respectively provided with two ends, one end of each opening and closing door (24) is rotatably connected with one side of the receiving shell (22) through a hinge, the two limiting plates (26) are respectively fixed at the outer sides of the two opening and closing doors (24), the two ends of the limiting pin (25) are respectively inserted into the two limiting plates (26), the receiving shell (23) is positioned in the receiving shell (22), a plurality of filter holes are uniformly formed in the inner wall of the bottom of the material receiving inner shell (23);

connecting piece (21) comprises connecting plate (28), spliced pole (29) and spring (30), connecting plate (28) are equipped with two sets ofly, and every group is two, and two sets of connecting plate (28) are fixed respectively and are connect material shell (22) both sides and cut grain host computer (1) discharge gate department both sides, spliced pole (29) and spring (30) all are equipped with a plurality ofly, and a plurality of spliced pole (29) one end is fixed with a set of connecting plate (28) that are close to and connect material shell (22) both sides, and a plurality of spliced pole (29) other end slip runs through a set of connecting plate (28) of keeping away from and connect material shell (22) both sides, and is a plurality of spring (30) overlap respectively in a plurality of spliced pole (29) outsides, and a plurality of spring (30) both ends are fixed with two connecting plates (28) respectively.

2. The pelletizing device of claim 1, wherein: an anti-drop plate (31) is fixed on the outer side of one end of the connecting column (29) far away from the material receiving shell (22).