CN116440994A - Raw material crushing device for producing and processing modified plastics - Google Patents

Abstract

The invention discloses a raw material crushing device for production and processing of modified plastics, which relates to the field of plastic production and processing, and comprises a crushing box and a discharge port for feeding raw materials. A collection box, one side of the first collection box is provided with a second collection box for collecting crushed unqualified raw materials, a vibration mechanism and a transmission mechanism distributed on the crushing box, and the vibration mechanism is used to crush the raw materials At the same time, it transmits power for the screening of the transmission mechanism. In the present invention, by setting a vibrating mechanism and a transmission mechanism, while crushing the raw materials, the crushed materials are screened, so that the smaller particles in the crushing process directly pass through the filter screen and enter the first collection box, and are flat and relatively flat. Large fragments of raw materials will enter the second collection box through the guide plate. After the crushing of this batch of raw materials is completed, the raw materials in the second collection box will be put in together with the next batch of materials for secondary crushing.

Description

A raw material crushing device for production and processing of modified plastics

technical field

The invention relates to the field of plastic production and processing, in particular to a raw material crushing device for modified plastic production and processing.

Background technique

Modified plastics refer to plastic products that are processed and modified on the basis of general-purpose plastics and engineering plastics through filling, blending, reinforcement, etc., and have improved properties such as flame retardancy, strength, impact resistance, and toughness.

When the existing modified plastics are produced, it is generally necessary to use a pulverizer to crush the modified plastic raw materials, which are often only crushed by rolling. With this method of crushing, most of the crushed raw materials are flat, and the plastic fragments Larger, greater energy consumption in the subsequent melting and reprocessing process, and the melting speed is slower. In order to screen the crushed raw materials and facilitate secondary crushing, the present invention proposes a raw material crushing device for production and processing of modified plastics.

Contents of the invention

The object of the present invention is to provide a raw material crushing device for production and processing of modified plastics in order to solve the problems raised in the above background.

In order to achieve the above object, the present invention provides the following technical solutions: a raw material crushing device for production and processing of modified plastics, including a crushing box and a discharge port for feeding raw materials, and a device for collecting crushed qualified raw materials is arranged inside the crushing box. The first collection box, one side of the first collection box is provided with a second collection box for collecting crushed unqualified raw materials, and the vibration mechanism and transmission mechanism distributed on the crushing box, the vibration mechanism is used to collect the raw materials While crushing, it transmits power to the screening of the transmission mechanism, and the transmission mechanism is used to screen the raw materials;

The vibration mechanism is composed of a drive unit and a crushing unit;

The drive unit is used to provide power for the work of the crushing unit;

The crushing unit is used to squeeze and crush the raw material;

The transmission mechanism is composed of a transmission unit and a screening unit;

The transmission unit is used to drive the screening unit to move, and the screening unit is used to vibrate during the movement, so as to screen qualified products.

As a further solution of the present invention: the drive unit includes a drive motor, a first gear, and a second gear;

The drive motor is installed on the outer wall of the crushing box through a mounting bracket, and the drive motor is used to drive the first gear to rotate synchronously;

The first gear meshes with the outer wall of the second gear, and the first gear is used to drive the second gear to rotate synchronously.

As a further solution of the present invention: the crushing unit includes a first crushing roller and a second crushing roller;

The first crushing roller is connected to one end of the first gear through a connecting rod, the second crushing roller is connected to one end of the second gear through a connecting rod, and the first crushing roller and the second crushing roller are used for The raw materials in between are squeezed and crushed.

As a further solution of the present invention: the transmission unit includes a positioning rod, a spring, a movable ring, a connecting rod, and a blocking block;

The positioning rod is fixed on the outer wall of one end of the first crushing roller, the positioning rod is used to provide a guide for the axial movement of the movable ring, and the movable ring is slidably sleeved on the outer wall of the positioning rod;

The spring is used to provide elastic power for the reset of the movable ring;

The connecting rod is fixed on the outer wall of the movable ring;

A plurality of the abutting blocks are distributed on the outer wall of the first crushing roller in a ring shape centered on the midpoint of the first crushing roller, and the abutting blocks are used to provide extrusion force for the axial movement of the connecting rod.

As a further solution of the present invention: the screening unit includes a screen and a guide plate;

The trapezoidal screen is used to screen the crushed raw materials, and the guide plate is used to guide the crushed unqualified raw materials into the second collection box.

As a further solution of the present invention: the inner side of the crushing box is formed with a vertical chute for the vertical movement of the screen, and the screen is distributed in a trapezoidal structure, which is used to increase the residence time of the crushed raw materials and make qualified raw materials Through the screen into the first collection box.

As a further solution of the present invention: the installation position of the positioning rod and the first crushing roller is eccentrically installed, and the positioning rod in the eccentric state can perform circular motion under the rotation of the first crushing roller;

As a further solution of the present invention: the screen is connected to the crushing box through a connecting rod, and a vertical chute is formed inside the crushing box for the left and right movable space of the connecting rod.

As a further solution of the present invention: the interior of the crushing box is formed with a placement space for the removal of the first collection box and the second collection box, which is convenient for taking out and placing the first collection box and the second collection box.

Compared with prior art, the beneficial effect of the present invention is:

By setting the vibrating mechanism and the transmission mechanism, the crushed materials are screened while the raw materials are crushed, so that the smaller particles in the crushing process can directly pass through the filter screen and enter the first collection box, while the larger particles in a flat shape The fragmented raw materials will enter the second collection box through the guide plate. After the crushing of this batch of raw materials is completed, the raw materials in the second collection box will be put in together with the next batch of materials for secondary crushing.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is a schematic diagram of the internal structure of the crushing box of the present invention;

Fig. 3 is the structural representation of vibration mechanism of the present invention;

Fig. 4 is the structural representation of transmission mechanism of the present invention;

Fig. 5 is the installation structure schematic diagram of screen cloth of the present invention;

Fig. 6 is a partial enlarged view of A in the present invention.

In the figure: 1, crushing box; 2, feeding port; 3, first collection box; 4, second collection box; 5, vibration mechanism; 501, drive motor; 502, first gear; 503, second gear; 504, the first crushing roller; 505, the second crushing roller; 6, transmission mechanism; 601, positioning rod; 602, spring; 603, movable ring; 604, connecting rod; 605, screen mesh; 606, guide plate; 607, Arrive block.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Please refer to Fig. 1-Fig. 6, in the embodiment of the present invention, a kind of raw material crushing device for production and processing of modified plastics, comprises crushing box 1 and the unloading mouth 2 that puts in raw material, the inside of crushing box 1 is provided with the crushing qualified raw material The first collection box 3 for collecting, one side of the first collection box 3 is provided with the second collection box 4 for collecting broken unqualified raw materials, the vibration mechanism 5, the transmission mechanism 6 distributed on the crushing box 1, the vibration mechanism 5 is used to transmit power for the screening of the transmission mechanism 6 while crushing the raw materials, and the transmission mechanism 6 is used to screen the raw materials;

The vibrating mechanism 5 is composed of a drive unit and a crushing unit;

The drive unit is used to provide power for the work of the crushing unit;

The crushing unit is used to squeeze and crush the raw materials;

Transmission mechanism 6 is made up of transmission unit, screening unit;

The transmission unit is used to drive the screening unit to move, and the screening unit is used to vibrate during the activity, so as to screen qualified products;

The drive unit includes a drive motor 501, a first gear 502, and a second gear 503;

The driving motor 501 is installed on the outer wall of the crushing box 1 through a mounting bracket, and the driving motor 501 is used to drive the first gear 502 to rotate synchronously;

The outer walls of the first gear 502 and the second gear 503 mesh, and the first gear 502 is used to drive the second gear 503 to rotate synchronously;

The crushing unit includes a first crushing roller 504 and a second crushing roller 505;

The first crushing roller 504 is connected to one end of the first gear 502 through a connecting rod, and the second crushing roller 505 is connected to one end of the second gear 503 through a connecting rod. The first crushing roller 504 and the second crushing roller 505 are used for The raw materials in between are squeezed and crushed;

The transmission unit includes a positioning rod 601, a spring 602, a movable ring 603, a connecting rod 604, and a blocking block 607;

The positioning rod 601 is fixed on the outer wall of one end of the first crushing roller 504, the positioning rod 601 is used to provide a guide for the axial movement of the movable ring 603, and the movable ring 603 is slidably sleeved on the outer wall of the positioning rod 601;

The spring 602 is used to provide elastic power for the reset of the movable ring 603;

The connecting rod 604 is fixed on the outer wall of the movable ring 603;

A plurality of abutting blocks 607 are circularly distributed on the outer wall of the first crushing roller 504 centered on the midpoint of the first crushing roller 504, and the abutting blocks 607 are used to provide extrusion force for the axial movement of the connecting rod 604;

The screening unit includes a screen cloth 605 and a guide plate 606;

The trapezoidal screen 605 is used to screen the crushed raw materials, and the guide plate 606 is used to guide the crushed unqualified raw materials into the second collection box 4 .

In this embodiment: by starting the driving motor 501, the driving motor 501 will drive the first gear 502 to rotate, and the rotation of the first gear 502 will synchronously drive the second gear 503 meshed with it to rotate, and at the same time drive the first crushing roller 504 to rotate, The rotation of the first gear 502 and the second gear 503 will respectively drive the first crushing roller 504 and the second crushing roller 505 to rotate. At this time, the raw material is put into the crushing box 1 through the discharge port 2, and the raw material and the first crushing roller 504, The contact between the second crushing rollers 505, the rotation of the first crushing roller 504 and the second crushing roller 505 will squeeze and crush the raw materials falling between them, and the crushed raw materials will fall onto the screen 605 to complete the crushing of raw materials ;

At the same time, the rotation of the first crushing roller 504 will also drive the positioning rod 601 eccentrically fixed on its outer wall to make a circular motion, and the positioning rod 601 will pull the movable ring 603, the connecting rod 604, and the screen 605 to move along the vertical chute inside the crushing box 1 , so that the screen 605 reciprocates up and down with the rotation of the positioning rod 601, the purpose of turning up the crushed raw materials on the upper surface of the screen 605 is to perform a screening, and the connecting rod 604 is in the process of moving up and down, the connecting rod 604 The outer wall is in contact with the outer wall of the block 607, and the oval block 607 will give the connecting rod 604 a pressing force, so that the connecting rod 604 drives the movable ring 603 to move axially along the outer wall of the positioning rod 601, and the movable ring 603 moves while giving the spring 602 Extrusion force When the connecting rod 604 is no longer in contact with the block 607, the connecting rod 604 and the movable ring 603 will reset under the elastic force of the spring 602, and the vibration force generated by the reset will be transmitted to the screen 605, causing the screen 605 to vibrate , carry out secondary vibration screening, the qualified crushed raw materials fall into the first collection box 3 through the gap of the screen 605, and the larger crushed raw materials gradually move down and fall into the second collection box 4 through the guide plate 606, reaching the The purpose of screening crushed raw materials is to further improve the melting efficiency of raw materials and reduce energy consumption.

Please refer to Figures 1-6. The inner side of the crushing box 1 is formed with a vertical chute for the vertical movement of the screen 605. The screen 605 is distributed in a trapezoidal structure, which is used to increase the residence time of the crushed raw materials and make qualified raw materials Enter the first collection box 3 through the screen 605, the positioning rod 601 and the first crushing roller 504 are installed eccentrically, and the positioning rod 601 in the eccentric state can perform circular motion under the rotation of the first crushing roller 504.

In this embodiment: through this structure, when the first crushing roller 504 rotates, the positioning rod 601 is synchronously driven to rotate around the first crushing roller 504, so that the positioning rod 601 is rotated from the lowest point to the highest point, and the connection is pulled. The upper end of the rod 604 makes a circular motion, and the lower end of the connecting rod 604 connected with the screen 605 pulls the screen 605 to move upward during the circular motion. When the positioning rod 601 moves from the highest point to the lowest point, the corresponding Yes, the screen 605 will also move downwards to complete the purpose of reciprocating the screen 605 up and down, so that the raw materials on the upper surface of the screen 605 will be thrown up and down, and the qualified raw materials will fall through the gaps of the screen 605.

Please refer to Figures 1-6. The screen 605 is connected to the crushing box 1 through a connecting rod. The interior of the crushing box 1 is formed with a vertical chute for the left and right movable space of the connecting rod. The interior of the crushing box 1 is formed with a space for the first The storage space for the removal of the collection box 3 and the second collection box 4 is convenient for taking out and placing the first collection box 3 and the second collection box 4 .

In this embodiment: through this structure, when the screen 605 is subjected to tension from the connecting rod 604, due to the existence of the vertical chute, the screen 605 moves upward along the inside of the vertical chute through the connecting rod, and when the screen When 605 is subjected to the extrusion force from the block 607, the screen 605 will also drive the connecting rod to move left and right in the inner side of the vertical chute.

The above is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, any person familiar with the technical field within the technical scope disclosed in the present invention, according to the technology of the present invention Any equivalent replacement or change of the scheme and its inventive concepts shall fall within the protection scope of the present invention.

Claims (9)

1. The utility model provides a raw materials reducing mechanism for modified plastics production and processing, includes crushing case (1) and throw-in raw materials's feed opening (2), the inside of crushing case (1) is provided with first collecting box (3) that collect the qualified raw materials of breakage, one side of first collecting box (3) is provided with second collecting box (4) that collect the unqualified raw materials of breakage, a serial communication port, vibration mechanism (5), drive mechanism (6) on crushing case (1) distribute, vibration mechanism (5) are used for being the screening transmission power of drive mechanism (6) when breaking the raw materials, drive mechanism (6) are used for screening the raw materials;

the vibration mechanism (5) consists of a driving unit and a crushing unit;

the driving unit is used for providing power for the operation of the crushing unit;

the crushing unit is used for crushing the raw materials in an extrusion way;

the transmission mechanism (6) consists of a transmission unit and a screening unit;

the transmission unit is used for driving the screening unit to move, and the screening unit is used for vibrating in the moving process so as to screen qualified products.

2. The raw material pulverizing device for producing and processing modified plastic according to claim 1, wherein the driving unit comprises a driving motor (501), a first gear (502), and a second gear (503);

the driving motor (501) is arranged on the outer wall of the crushing box (1) through a mounting bracket, and the driving motor (501) is used for driving the first gear (502) to synchronously rotate;

the outer walls of the first gear (502) and the second gear (503) are meshed, and the first gear (502) is used for driving the second gear (503) to synchronously rotate.

3. The raw material pulverizing apparatus for producing and processing modified plastic according to claim 1, wherein the pulverizing unit comprises a first pulverizing roller (504), a second pulverizing roller (505);

the first crushing roller (504) is connected to one end of the first gear (502) through a connecting rod, the second crushing roller (505) is connected to one end of the second gear (503) through a connecting rod, and the first crushing roller (504) and the second crushing roller (505) are used for crushing the raw materials falling into the first crushing roller and the second crushing roller.

4. The raw material crushing device for producing and processing modified plastics according to claim 1, wherein the transmission unit comprises a positioning rod (601), a spring (602), a movable ring (603), a connecting rod (604) and a supporting block (607);

the positioning rod (601) is fixed on the outer wall of one end of the first crushing roller (504), the positioning rod (601) is used for providing guidance for the axial movement of the movable ring (603), and the movable ring (603) is sleeved on the outer wall of the positioning rod (601) in a sliding manner;

the spring (602) is used for providing elastic power for resetting the movable ring (603);

the connecting rod (604) is fixed on the outer wall of the movable ring (603);

the plurality of abutting blocks (607) are distributed on the outer wall of the first crushing roller (504) in a ring shape with the middle point of the first crushing roller (504) as the center, and the abutting blocks (607) are used for providing extrusion force for the axial movement of the connecting rod (604).

5. The raw material pulverizing apparatus for producing and processing modified plastic according to claim 1, wherein the screening unit comprises a screen (605), a guide plate (606);

the screen cloth (605) in a trapezoid state is used for screening crushed raw materials, and the guide plate (606) is used for guiding unqualified raw materials after crushing into the second collecting box (4).

6. The raw material crushing device for producing and processing modified plastics according to claim 5, wherein a vertical chute for vertically moving a screen (605) is formed on the inner side of the crushing box (1), and the screen (605) is distributed in a trapezoid structure and is used for increasing the stay time of crushed raw materials, so that qualified raw materials enter the first collecting box (3) through the screen (605).

7. The raw material pulverizing apparatus for producing and processing modified plastic according to claim 4, wherein the positioning rod (601) is installed eccentrically to the first pulverizing roller (504), and the positioning rod (601) in an eccentric state is movable in a circular motion by rotation of the first pulverizing roller (504).

8. The raw material crushing device for producing and processing modified plastics according to claim 4, wherein the screen (605) is connected with the crushing box (1) through a connecting rod, and a vertical chute for left and right movable spaces of the connecting rod is formed in the crushing box (1).

9. The raw material crushing device for producing and processing modified plastics according to claim 4, wherein the inside of the crushing box (1) is formed with a placing space for the first collecting box (3) and the second collecting box (4) to move out, so that the first collecting box (3) and the second collecting box (4) can be conveniently taken out and placed.