CN211868318U - Plastic product raw material grinding machine - Google Patents

Abstract

A grinding machine for raw materials of plastic products solves the problem that the ground rubber powder is easy to adhere and agglomerate and cannot meet the requirement of high fineness of the rubber powder, improves the fineness of grinding by arranging a double mechanism of a grinding mechanism and a grinding disc mechanism, the grinding disc mechanism adopts a fixed grinding disc and a rotary grinding disc which are vertically arranged and have a cylindrical structure, prolongs the grinding length during grinding, semi-circular bulges which are mutually staggered and distributed are arranged on the grinding surfaces of the fixed grinding disc and the rotary grinding disc for grinding, the ground rubber powder is not easy to adhere and agglomerate, further improves the fineness of grinding, a feeding groove is arranged on the fixed grinding disc, the diameter of the semi-circular bulge on the fixed grinding surface of the fixed grinding disc is in direct proportion to the distance from the outer edge of the feeding groove and gradually increases, and can effectively prevent granular rubber raw materials from being accumulated at the inlet of the grinding disc mechanism after grinding, the crushed granular rubber raw material is allowed to flow downwards more easily.

Description

Plastic product raw material grinding machine

Technical Field

The utility model belongs to plastic product machinery specifically is a plastic product raw materials grinds machine has been related to.

Background

In the production of plastic products, the raw mode of crushing and grinding granular rubber raw materials into rubber powder is various, wherein mechanical crushing and grinding are the most common mode, the cost of the mode is low, common equipment adopts double rollers to roll and grind, but in the working engineering, the rubber powder ground by the mode is easy to adhere and agglomerate and cannot meet the requirement of high fine degree requirement.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve the existing problem among the above-mentioned prior art, designed a plastic product raw materials and ground machine, adopted rubbing crusher to construct and rolled dual setting of mechanism, graininess rubber materials gets into to roll a set mechanism with the help of rubbing crusher to grind after preliminary smashing, and the likepowder raw materials after the grinding can not the adhesion hold a group and improved degree of consistency, fine degree.

The utility model adopts the technical scheme that a plastic product raw material grinding machine is designed, which comprises a lifting mechanism, a grinding mechanism and a grinding disc mechanism which are arranged in sequence along the raw material conveying direction, wherein the grinding mechanism is erected above the grinding disc mechanism, the grinding disc mechanism comprises a shell and a fixed grinding disc and a rotating grinding disc which are vertically and adjacently arranged in the shell, the fixed grinding disc is fixedly connected in the shell and is provided with a fixed grinding surface, the rotating grinding disc is driven by a motor erected on the shell and is provided with a rotating grinding surface, and the fixed grinding surface and the rotating grinding surface are matched to form a grinding unit of the raw material; the fixed grinding surface and the rotary grinding surface are both provided with semicircular bulges which are uniformly distributed along the circle center and distributed in a staggered manner, the top of the fixed grinding disc is provided with a feeding groove on the upper part of the fixed grinding surface, the diameter of the semicircular bulges on the fixed grinding surface is in direct proportion to the distance from the outer edge of the feeding groove and gradually increases, and the largest semicircular bulges are the same as the semicircular bulges of the rotary grinding surface.

The shell side plate adjacent to the fixed rolling disc is provided with a plurality of limiting blocks, the rear end face of the fixed rolling disc is provided with limiting grooves matched with the limiting blocks, and the upper end of the shell side plate adjacent to the fixed rolling disc is provided with a hinged structure.

The fixed grinding disc is provided with an inner cavity, through holes are formed in the upper portion and the lower portion of the inner cavity, and the upper through hole and the lower through hole are connected with an upper conveying pipe and a lower conveying pipe.

The center of the circle of the fixed grinding surface is provided with a groove, and the center of the circle of the rotary grinding surface is provided with a tip matched with the groove.

The rotary rolling disc is provided with an inner cavity and a plurality of vent holes in the circumferential surface, the upper end and the bottom end of the shell are both provided with openings corresponding to the vent holes, and a cooling fan is arranged on the outer side of the bottom end of the shell.

The feed inlet at the upper end of the crushing mechanism is a circular opening, and a conical body structure is arranged at the center of the circular opening.

The lifting mechanism comprises a packing auger conveying unit arranged at the upper end of the crushing mechanism, a conveying belt is arranged at the lower end of the rolling mechanism, and a dust removing mechanism is further arranged at the upper end of the crushing mechanism.

The inside lower extreme of rubbing crusher constructs sets up the screen cloth, the screen cloth is the arc setting and is vibrating screen.

The crushing mechanism is provided with an air inlet hole at a position corresponding to the opening at the upper end of the shell and is connected with the upper end of the shell by a vent pipe.

The beneficial effects of the utility model are that, a plastic product raw material grinding machine has been designed, through setting up rubbing crusher and the dual mechanism of rolling mechanism, the fine degree of grinding has been improved, the fixed rolling of the cylinder structure of rolling mechanism adoption vertical setting and rotation rolling, grinding length when having prolonged the grinding, set up the semi-circular protruding of mutual straggle distribution of position on the abrasive surface of fixed rolling and rotation rolling and grind, the rubber powder after the grinding is difficult to the adhesion and embraces a group, set up the pan feeding recess at fixed rolling, semi-circular protruding diameter on the fixed abrasive surface of fixed rolling and the distance apart from pan feeding recess periphery department is directly proportional and grow gradually, can prevent effectively that granular rubber raw materials from piling up in the entrance of rolling mechanism after smashing, let the more easy downstream of granular rubber raw materials after smashing.

Drawings

FIG. 1 is a schematic view of the overall structure;

FIG. 2 is a schematic view of a rolling mechanism

FIG. 3 is a schematic view of a fixed abrasive surface;

FIG. 4 is a schematic view of a rotating abrasive surface;

figure 5 is a schematic view of the feed inlet of the shredder mechanism.

In the attached drawing, the device comprises a shell 1, a shell 2, a fixed rolling disc 3, a rotary rolling disc 4, a motor 5, a protrusion 6, a feeding groove 7, a side plate 8, a limiting block 9, a conveying pipe 10, a tip 11, a vent hole 12, a packing auger conveying unit 13, a conveying belt 14, a screen mesh 15 and an air inlet.

Detailed Description

As shown in the accompanying drawings 1-5, the utility model discloses a plastic product raw material grinding machine, which comprises a lifting mechanism, a grinding mechanism and a grinding disc mechanism which are arranged in sequence along the raw material conveying direction, wherein the grinding mechanism is arranged above the grinding disc mechanism, the grinding disc mechanism comprises a shell 1 and a fixed grinding disc 2 and a rotary grinding disc 3 which are vertically and adjacently arranged in the shell 1, the fixed grinding disc 2 is fixedly connected in the shell 1 and is provided with a fixed grinding surface, the rotary grinding disc 3 is driven by a motor 4 arranged on the shell 1 and is provided with a rotary grinding surface, and the fixed grinding surface and the rotary grinding surface are matched to form a grinding unit of raw materials; fixed abrasive surface and rotatory abrasive surface all are provided with along the mutual straggly distribution in centre of a circle evenly distributed's semi-circular arch 5 and position, fixed 2 tops of rolling are provided with pan feeding recess 6 on fixed abrasive surface upper portion, and the semi-circular arch 5 diameters on the fixed abrasive surface are directly proportional and grow gradually with the distance apart from 6 outer fringe departments of pan feeding recess, and the biggest semi-circular arch 5 with rotatory abrasive surface is the same, the utility model discloses a concrete implementation process explains through following specific embodiment.

In the specific embodiment, as shown in fig. 1-5, the grinding of the granular plastic material is performed by the double-layer arrangement of the grinding mechanism and the pan-grinding mechanism, the granular plastic material is firstly conveyed to the feed inlet at the upper end of the grinding mechanism by the aid of the lifting mechanism, and then enters the grinding mechanism for preliminary grinding, after the grinding is completed, the granular plastic material enters the feed inlet at the upper end of the pan-grinding mechanism from the discharge outlet at the lower end of the grinding mechanism, the rotating pan-grinding pan 3 is driven by the motor 4 to rotate, then the rotating grinding surface is matched with the fixed grinding surface to grind the granular plastic material, the feed groove 6 arranged at the upper end of the fixed grinding surface can effectively prevent the granular plastic material from accumulating at the feed inlet of the pan-grinding mechanism, so that the granular plastic material can more easily flow downwards, the working efficiency is improved, the semicircular, the largest semicircular bulge 5 is the same as the semicircular bulge 5 of the rotary grinding surface, the smallest semicircular bulge 1/2 of the rotary grinding surface further prevents granular plastic raw materials from slowly flowing or even accumulating at the feed inlet of the grinding disc mechanism, and after grinding is finished, the powdery plastic raw materials are downwards discharged from the discharge outlet at the lower end of the grinding disc mechanism.

In order to can be convenient maintain or clear up rolling a set mechanism, be provided with a plurality of stopper 8 on 1 curb plate 7 of casing adjacent with fixed rolling 2, fixed rolling 2 rear end face be provided with the spacing recess of stopper 8 looks adaptation, 7 upper ends of 1 curb plate of casing adjacent with fixed rolling 2 have hinge structure, and curb plate 7 can be very convenient with the help of hinge structure open maintain or clear up rolling a set mechanism, and a plurality of stopper 8 that set up on the curb plate 7 can also improve the stability when rolling a set mechanism installation and operation, hold two birds with one stone.

In order to prevent along with the extension of grinding time, fixed rolling disc 2 has the inner chamber and the inner chamber all is provided with the through-hole from top to bottom, upper and lower through-hole is connected with upper and lower conveyer pipe 9, can cool down fixed rolling disc 2 with the help of the water-cooling.

In order to further improve the stability of the fixed grinding disc 2 and the rotary grinding disc 3 during installation and operation, a groove is formed in the circle center position of the fixed grinding surface, a tip 10 matched with the groove is arranged in the circle center position of the rotary grinding surface, and the stability of the grinding disc mechanism during installation and operation can be effectively improved by means of the matching of the groove in the fixed grinding surface and the tip 10 in the rotary grinding surface.

In order to prevent along with grinding time's extension, the temperature that rotates and roll dish 3 risees gradually and produces the influence to the self of plastic raw materials, it has inner chamber and periphery to set up a plurality of air vents 11 to rotate to roll dish 3, 1 upper end of casing and bottom all are provided with the opening that corresponds with air vent 11 and the 1 bottom outside of casing are provided with cooling fan, thereby rotate and roll dish 3 and drive the air current with the help of air vent 11 and flow when rotatory and realize the cooling, flow with the help of cooling fan's increase air current simultaneously, and the cooling effect is better.

In order to improve work efficiency, prevent that graininess plastic raw materials from piling up in rubbing crusher constructs feed inlet department, improve the speed and the volume of feeding and can not produce bigger burden to overall structure, the feed inlet of rubbing crusher structure upper end is the ring form opening, ring form opening central point puts and is provided with circular cone type body structure, thereby graininess plastic raw materials can be along circular cone type body structure and be scattered formula and evenly fall to ring form open-ended pan feeding mouth and get into rubbing crusher constructs.

In order to more conveniently convey granular plastic raw materials and convey ground rubber powder, the lifting mechanism comprises an auger conveying unit 12 arranged at the upper end of the crushing mechanism, a conveying belt 13 is arranged at the lower end of the rolling mechanism, and in order to avoid the harm of dust generated during the operation of the design to a human body, a dust removing mechanism is further arranged at the upper end of the crushing mechanism.

In order to prevent that rubbing crusher constructs to the efficiency that the disk mechanism was rolled to the influence even probably to rolling the disk mechanism to the impurity in granular plastic raw materials is the incomplete and granular plastic raw materials that are smashed individually and produce great wearing and tearing, rubbing crusher constructs inside lower extreme and sets up screen cloth 14, screen cloth 14 is the arc setting and is vibrating screen, and granular plastic raw materials screen cloth 14's arc slope can roll, improves the efficiency of blanking, prevents effectively that granular plastic raw materials from piling up on screen cloth 14.

In order to further prevent that granular plastic raw materials from piling up on screen cloth 14, rubbing crusher construct with casing 1 upper end opening correspond the position and be provided with inlet port 15 and connect with the help of the breather pipe, the air current that rotates the production of rolling disc 3 can go into rubbing crusher structure and strike screen cloth 14, further improves the efficiency of blanking.

Claims (9)

1. The utility model provides a plastic product raw material grinds machine, includes hoist mechanism, rubbing crusher and the dish mechanism that rolls that sets gradually along raw materials direction of delivery, and rubbing crusher erects in the dish mechanism top of rolling, its characterized in that: the grinding disc mechanism comprises a shell (1) and a fixed grinding disc (2) and a rotary grinding disc (3) which are vertically and adjacently arranged in the shell, wherein the fixed grinding disc (2) is fixedly connected into the shell (1) and is provided with a fixed grinding surface, the rotary grinding disc (3) is driven by a motor (4) erected on the shell (1) and is provided with a rotary grinding surface, and the fixed grinding surface and the rotary grinding surface are matched to form a grinding unit of raw materials; fixed abrasive surface and rotatory abrasive surface all are provided with along the mutual straggly distribution of circle center evenly distributed's semi-circular arch (5) and position, fixed mill dish (2) top is provided with pan feeding recess (6) on fixed abrasive surface upper portion, and semi-circular arch (5) diameter on the fixed abrasive surface is directly proportional and grow gradually with the distance apart from pan feeding recess (6) periphery department, and the biggest is the same with the semi-circular arch of rotatory abrasive surface.

2. The plastic product raw material grinder as set forth in claim 1, wherein: be provided with a plurality of stopper (8) on casing (1) curb plate (7) adjacent with fixed rolling dish (2), fixed rolling dish (2) rear end face is provided with the spacing recess with stopper (8) looks adaptation, casing (1) curb plate (7) upper end adjacent with fixed rolling dish (2) has hinge structure.

3. The plastic product raw material grinder as set forth in claim 1, wherein: the fixed grinding disc (2) is provided with an inner cavity, and through holes are formed in the inner cavity up and down and connected with an upper conveying pipe and a lower conveying pipe (9).

4. The plastic product raw material grinder as set forth in claim 1, wherein: the center of the circle of the fixed grinding surface is provided with a groove, and the center of the circle of the rotary grinding surface is provided with a tip (10) matched with the groove.

5. The plastic product raw material grinder as set forth in claim 1, wherein: the rotary rolling disc (3) is provided with an inner cavity and a plurality of vent holes (11) in the circumferential surface, the upper end and the bottom end of the shell (1) are provided with openings corresponding to the vent holes (11), and a heat radiation fan is arranged on the outer side of the bottom end of the shell (1).

6. The plastic product raw material grinder as set forth in claim 1, wherein: the feed inlet at the upper end of the crushing mechanism is a circular opening, and a conical body structure is arranged at the center of the circular opening.

7. The plastic product raw material grinder as set forth in claim 1, wherein: the lifting mechanism comprises a packing auger conveying unit (12) arranged at the upper end of the crushing mechanism, a conveying belt (13) is arranged at the lower end of the rolling mechanism, and a dust removing mechanism is further arranged at the upper end of the crushing mechanism.

8. The plastic product raw material grinder as set forth in claim 1, wherein: the inside lower extreme of rubbing crusher constructs sets up screen cloth (14), screen cloth (14) are the arc setting and are vibrating screen.

9. The plastic product raw material grinder as set forth in claim 5, wherein: the crushing mechanism is provided with an air inlet (15) at a position corresponding to the upper end opening of the shell (1) and is connected with the upper end opening of the shell by a vent pipe.

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