CN218048831U - GPPS production is with granule screening grading plant - Google Patents

Abstract

The utility model belongs to the technical field of the screening machine, a GPPS production is with granule screening grading plant is disclosed, including last casing and vibrating motor, the inside symmetry of going up the casing is provided with two rotatable driving rollers, and the outside cover of two driving rollers is equipped with the porous conveyer belt that the slope set up. A lower shell is fixed at the bottom of the upper shell, and two sides of the lower shell are fixedly connected with slide rails in sliding connection with the screen; the hinge is fixed on the upper portion of the lower shell, the movable plate door is fixedly connected to the upper portion of the hinge, two limiting pins penetrate through the movable plate door, and the two limiting pins can be respectively inserted into one ends of the two transmission rollers. In conclusion, the utility model discloses set up the conveyer belt screen cloth to this makes GPPS granule can longer time dwell on porous conveyer belt, so as to reach the granule screening of higher accuracy; meanwhile, a movable plate door which is provided with a limiting pin and can be folded up and down is arranged, so that the screen of the porous conveyor belt is convenient to replace; the screen capable of sliding is also arranged, so that the screen can be conveniently replaced.

Description

GPPS production is with granule screening grading plant

Technical Field

The utility model belongs to the technical field of the screening machine, concretely relates to particle screening grading plant is used in GPPS production.

Background

The existing particle screening and grading device for GPPS production mainly adopts a vibration screening structure, and the screen is obliquely arranged during specific screening, so that GPPS plastic particles fall on the oblique screen after being thrown on the screen, are downwards guided along the screen under the vibration effect, generate plastic particles with different grades through screens with different screen mesh sizes, and are finally discharged from respective discharge ports.

However, the particle screening and classifying device for GPPS production currently on the market has some defects in the use process, for example, the limited screen length and area cause the screening time of GPPS particles to be too short, so that the screening precision is not high, and the screen replacement is difficult due to the large-scale closed shell of the machine.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a GPPS production is with granule screening grading plant to solve the current problem that the screening precision is not high, change the screen cloth difficulty.

In order to achieve the above object, the utility model provides a following technical scheme:

a particle screening and grading device for GPPS production comprises an upper shell and a vibration motor, wherein the vibration motor is arranged below the upper shell, two rotatable transmission rollers are symmetrically arranged inside the upper shell, and porous conveyor belts are sleeved outside the two transmission rollers;

the porous conveyor belt is obliquely arranged;

a baffle is arranged in the upper shell, and one end of the baffle extends to the position above the downward inclined end of the porous conveyor belt;

a motor is fixed outside the upper shell, and one of the transmission rollers is coaxially connected with a driving shaft of the motor;

a first discharge port is formed in the bottom of the upper shell and is located below one end, inclined upwards, of the porous conveyor belt.

Preferably, the lower shell is fixed at the bottom of the upper shell and is positioned on one side of the first discharge hole; a screen is arranged in the lower shell and is positioned below the porous conveyor belt; a second discharge hole and a third discharge hole are formed in the bottom of the lower shell, and the third discharge hole is located below the screen; the second discharge hole is positioned at one side of the screen, and the second discharge hole is positioned above the third discharge hole.

Preferably, the equal fixedly connected with slide rail in casing both sides down, and two slide rails and screen cloth sliding connection, the one end fixedly connected with screen cloth handle of screen cloth, and the screen cloth handle extends to the outside of casing down.

Preferably, the upper part of the lower shell is fixedly provided with a hinge, the upper part of the hinge is fixedly connected with a movable plate door, and the movable plate door and the motor are respectively positioned at two ends of the transmission roller; two lock catches are symmetrically fixed at two ends of the upper shell, and the upper shell is connected with the movable plate door through the lock catches; two limiting pins penetrate through the movable plate door and can be respectively inserted into one ends of the two transmission rollers.

Preferably, a mounting plate is fixedly mounted below the lower shell, and the vibration motor is fixed on the mounting plate.

Preferably, the bottom of casing is provided with four supporting components down, and four supporting components are located four corners of casing down respectively, and every supporting component all includes spring damper, backup pad and the supporting leg that from top to bottom connects gradually.

Compared with the prior art, the utility model, following beneficial effect has:

(1) The utility model discloses the conveyer belt screen cloth that the slope was placed has been set up, from the one end feeding of conveyer belt slant decurrent, the material is along with the ascending conveying of conveyer belt execution slope, and make the material produce frequently to beat based on shock dynamo's vibrations in the data send process, the material can incline decurrent fall back after jumping, mutually support based on ascending transmission of slope and the decurrent fall back of slope with this, the transfer time of extension material on the conveyer belt, the corresponding screening time that is extension material, with this screening precision that improves screening GPPS granule, make GPPS granule can stop for a longer time on porous conveyer belt, in order to reach the granule screening of higher accuracy. Wherein conveyer belt formula screen cloth is based on structure drive such as porous conveyer belt, live-rollers, and simple structure and drive are stable.

(2) The utility model discloses set up the activity board door that has the spacer pin, the activity board door can turn over from top to bottom to make the convenient change of screen cloth of porous conveyer belt through taking off the spacer pin.

(3) The utility model discloses set up the screen cloth that can slide, the screen cloth is located the conveyer belt below to this conveniently realizes multistage screening, and based on the drawer structure of slidingtype, make lower floor's screen cloth can conveniently take out and impel, thereby realize the convenient change of screen cloth.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an internal structural view of the present invention;

fig. 3 is a sectional view taken along a direction of a in fig. 2;

FIG. 4 is a cross-sectional view of the screen of FIG. 2 taken along direction B;

in the figure: 1-screen mesh handle, 2-upper shell, 3-baffle, 4-motor, 5-porous conveyor belt, 6-movable plate door, 7-lock catch, 8-limit pin, 9-hinge, 10-lower shell, 11-spring damper, 12-support plate, 13-support leg, 14-vibration motor, 15-driving roller, 16-first discharge port, 17-slide rail, 18-screen mesh, 19-mounting plate, 20-third discharge port and 21-second discharge port.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides the following technical solutions:

a particle screening and grading device for GPPS production comprises an upper shell 2 and a vibration motor 14, wherein the vibration motor 14 is arranged below the upper shell 2, two rotatable transmission rollers 15 are symmetrically arranged inside the upper shell 2, and a porous conveyor belt 5 is sleeved outside the two transmission rollers 15; the porous conveyor belt 5 is obliquely arranged;

a baffle 3 is arranged in the upper shell 2, and one end of the baffle 3 extends to the upper part of one end of the porous conveyor belt 5, which inclines downwards;

a motor 4 is fixed outside the upper shell 2, and one of the driving rollers 15 is coaxially connected with a driving shaft of the motor 4;

a first discharge hole 16 is formed at the bottom of the upper casing 2, and the first discharge hole 16 is located below the end of the porous conveyor belt 5 inclined upwards.

A mounting plate 19 is fixedly mounted below the lower case 10, and the vibration motor 14 is fixed to the mounting plate 19.

A lower shell 10 is fixed at the bottom of the upper shell 2, and the lower shell 10 is positioned at one side of the first discharge hole 16;

the lower shell 10 is internally provided with a screen 18, and the screen 18 is positioned below the porous conveyor belt 5;

a second discharge hole 21 and a third discharge hole 20 are formed in the bottom of the lower shell 10, and the third discharge hole 20 is located below the screen 18;

the second discharge hole 21 is located at one side of the screen 18, and the second discharge hole 21 is located above the third discharge hole 20.

Based on the above disclosed structure, when screening and grading the GPPS particles are specifically performed, the principle is as follows:

firstly, GPPS particles to be screened and classified are guided into an inclined porous conveyor belt 5 in a screening and classifying device from one side of a baffle 3, a motor 4 and a vibration motor 14 are started, the motor 4 drives one of transmission rollers 15 to rotate, the transmission roller 15 drives the porous conveyor belt 5 to move upwards, the GPPS particles bounce on the porous conveyor belt 5 under the action of the vibration motor 14, larger GPPS particles cannot penetrate through the pore diameter on the upper layer conveyor belt, remain on the continuously moving upper layer porous conveyor belt 5 and finally fall into a first discharge port 16, and first classification of the GPPS particles is completed; smaller particles pass through the apertures in the upper conveyor belt, fall onto the lower conveyor belt, and again pass through the apertures in the lower conveyor belt onto the screen 18.

Then, the GPPS particles falling onto the screen 18 bounce on the screen 18 under the action of the vibration motor 14, and the larger particles remain on the screen 18 to continue bouncing forward and finally fall into the second discharge port 21, thus completing the second classification of the GPPS particles; the smallest particles pass through the apertures in the screen, fall to the surface of the lower housing 10, and continue to bounce forward to fall into a third discharge port, completing a third classification of the GPPS particles.

In addition to the above structure, the upper part of the lower shell 10 is fixed with a hinge 9, the upper part of the hinge 9 is fixedly connected with a movable plate door 6, and the movable plate door 6 and the motor 4 are respectively positioned at two ends of a driving roller 15;

two lock catches 7 are symmetrically fixed at two ends of the upper shell 2, and the upper shell 2 is connected with the movable plate door 6 through the lock catches 7;

two limiting pins 8 penetrate through the movable plate door 6, and the two limiting pins 8 can be respectively inserted into one ends of the two driving rollers 15.

Based on the above disclosed structure, when specifically performing replacement of the porous conveyor belt 5, the principle thereof is:

firstly, two limiting pins 8 are pulled out, so that the driving roller 15 is not fixed any more, then the lock catch 7 is unlocked, at the moment, the movable plate door 6 can rotate through the rotation of the hinge 9, and the porous conveyor belt 5 can be conveniently replaced after the movable plate door 6 is turned over.

In addition, both sides of the lower casing 10 are fixedly connected with slide rails 17, and the two slide rails 17 are slidably connected with the screen 18, one end of the screen 18 is fixedly connected with the screen handle 1, and the screen handle 1 extends to the outside of the lower casing 10.

Based on the above disclosed structure, when specifically performing the screen change of the screen 18, the principle is as follows: the screen mesh handle 1 is pulled outwards, the screen mesh 18 slides between the two slide rails 17, and the screen mesh 18 can be smoothly pulled out and replaced.

In addition, the bottom of lower casing 10 is provided with four supporting components, and four supporting components are located four corners of lower casing 10 respectively, and every supporting component all includes spring damper 11, backup pad 12 and supporting leg 13 that from top to bottom connects gradually. The supporting components are uniformly stressed and have strong bearing capacity, and can keep the stability of the whole screening and grading device and prevent the device from collapsing or inclining due to self gravity.

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 (6)

1. The utility model provides a GPPS production is with granule screening grading plant, includes last casing (2) and vibrating motor (14), vibrating motor (14) set up in the below of last casing (2), its characterized in that: two rotatable driving rollers (15) are symmetrically arranged inside the upper shell (2), and a porous conveyor belt (5) is sleeved outside the two driving rollers (15);

the porous conveyor belt (5) is obliquely arranged;

a baffle (3) is arranged in the upper shell (2), and one end of the baffle (3) extends to the upper part of one end of the porous conveyor belt (5) which is inclined downwards;

a motor (4) is fixed outside the upper shell (2), and one of the transmission rollers (15) is coaxially connected with a driving shaft of the motor (4);

a first discharge hole (16) is formed in the bottom of the upper shell (2), and the first discharge hole (16) is located below one end, inclined upwards, of the porous conveyor belt (5).

2. The particle screening and grading device for GPPS production according to claim 1, wherein: a lower shell (10) is fixed at the bottom of the upper shell (2), and the lower shell (10) is positioned at one side of the first discharge hole (16);

a screen (18) is arranged in the lower shell (10), and the screen (18) is positioned below the porous conveyor belt (5);

a second discharge hole (21) and a third discharge hole (20) are formed in the bottom of the lower shell (10), and the third discharge hole (20) is located below the screen (18);

the second discharge hole (21) is positioned on one side of the screen (18), and the second discharge hole (21) is positioned above the third discharge hole (20).

3. The particle screening and grading device for GPPS production according to claim 2, wherein: the equal fixedly connected with slide rail (17) in casing (10) both sides down, and two slide rails (17) and screen cloth (18) sliding connection, the one end fixedly connected with screen cloth handle (1) of screen cloth (18), and screen cloth handle (1) extend to the outside of casing (10) down.

4. The particle screening and grading device for GPPS production according to claim 2, wherein: the upper part of the lower shell (10) is fixedly provided with a hinge (9), the upper part of the hinge (9) is fixedly connected with a movable plate door (6), and the movable plate door (6) and the motor (4) are respectively positioned at two ends of a driving roller (15);

two lock catches (7) are symmetrically fixed at two ends of the upper shell (2), and the upper shell (2) is connected with the movable plate door (6) through the lock catches (7);

two limiting pins (8) penetrate through the movable plate door (6), and the two limiting pins (8) can be respectively inserted into one ends of the two driving rollers (15).

5. The particle screening and grading device for GPPS production according to claim 2, wherein: and a mounting plate (19) is fixedly mounted below the lower shell (10), and the vibration motor (14) is fixed on the mounting plate (19).

6. The particle screening and classifying device for GPPS production according to claim 2, wherein: the bottom of casing (10) is provided with four supporting components down, and four supporting components are located four corners of casing (10) down respectively, and every supporting component all includes spring damper (11), backup pad (12) and supporting leg (13) that from top to bottom connect gradually.

Images