Plastic particle granulator

Abstract

The utility model provides a plastic particle cutting machine, which belongs to the field of plastic particle processing and comprises a particle cutting box, a pelletizing assembly; the pelletizing assembly comprises two driving rollers which are rotationally mounted in the pelletizing box and are distributed up and down, a plurality of cutters which are arranged in a matched manner are mounted on the outer walls of the two driving rollers, and two conveying rollers which can synchronously rotate with the driving rollers and are distributed up and down are rotationally mounted in the pelletizing box. The two lower cutters are opposite to each other, so that plastics can be cut off, meanwhile, the cutter on the rear side abuts against the plastic strips again and drives the plastic strips to move, vibration generated by breakage during pelletizing on the front side cannot affect the subsequently conveyed plastic strips, the plastic strips can be rapidly pelletized, the pelletizing efficiency is improved, and the labor intensity of workers is reduced. And meanwhile, stable conveying of the plastic strips can be guaranteed, the multiple plastic strips can be separated through the annular grooves, and the situation that the plastic strips are staggered to affect pelletizing work is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of plastic particle processing, especially to a plastic particle cutting machine. BACKGROUND

[0002] Plastic is a high molecular compound polymerized by monomer as raw material through polyaddition or polycondensation reaction, commonly known as plastic or resin, which can freely change composition and body style, and is composed of synthetic resin and additives such as filler, plasticizer, stabilizer, lubricant and colorant.

[0003] The production of plastic particles is usually that plastic strips are extruded from an extruder die, cooled by water, and then guided into the feed inlet of a cutting machine under the guidance of two groups of guide rollers, and then the plastic strips to be cut are cut into plastic particles of a certain length by the cutting machine.

[0004] The current cutting machine has poor effect on guiding and limiting the plastic strips, which affects the cutting effect, such as the plastic particle cutting machine with the announcement number CN220841014U, the plastic strip enters the cutting area through the feed inlet, and the plastic strip cannot be effectively limited. UTILITY MODEL CONTENT

[0005] In view of the deficiencies in the prior art, the utility model provides a plastic particle cutting machine.

[0006] The embodiment of the utility model provides a plastic particle cutting machine, which comprises:

[0007] A cutting box;

[0008] A cutting assembly; the cutting assembly comprises two driving rollers rotatably installed in the cutting box and distributed upward and downward, a plurality of cutters are installed on the outer wall of the two driving rollers in cooperation, two conveying rollers rotatably installed in the cutting box can rotate synchronously with the driving rollers and are distributed upward and downward, a rubber sleeve fixedly connected with the outer wall of the conveying roller is provided with a plurality of annular grooves, and the two annular grooves opposite upward and downward can convey plastic to the cutters for cutting.

[0009] Further, two guide tables are fixed to the inner bottom of the cutting box, and a discharge chute is arranged through the bottom of the cutting box, and the discharge chute is located between the two guide tables.

[0010] Further, a first short shaft is coaxially fixedly connected to the driving roller, and the first short shaft is rotatably connected with the inner wall of the cutting box.

[0011] Further, a second short shaft coaxially arranged is fixedly connected to the conveying roller, and the second short shaft is rotatably connected with the inner wall of the cutting box.

[0012] Further, the transmission mechanism comprises first gears fixed on the two first short shafts, the two first gears are engaged, second gears are fixed on the second short shafts, the two second gears are engaged, synchronous wheels are coaxially installed on the first gears and the second gears, the two synchronous wheels are connected through a synchronous belt, a motor is installed on the cutting box, and an output end of the motor is fixedly connected with the first short shaft.

[0013] Further, the bottom of the cutting box is fixedly connected with four supporting legs, and the bottom of each supporting leg is fixedly connected with a leather pad.

[0014] Further, a feeding port is arranged through the cutting box, and the feeding port is arranged opposite to the rubber sleeve.

[0015] Further, a supporting plate is fixed on the inner wall of the cutting box, and the supporting plate is located between the driving roller and the conveying roller.

[0016] Compared with the prior art, the plastic particle cutting machine has the following beneficial effects:

[0017] The two cutters are opposite to each other, so that the plastic can be cut off, at the same time, the rear cutter is again abutted against the plastic strip and drives the plastic strip to move, so that the vibration caused by the cutting of the front side will not affect the subsequent conveying of the plastic strip, so that the plastic strip can be cut quickly, the cutting efficiency is improved, and the stable conveying of the plastic strip can be ensured, and the multiple plastic strips can be separated through the annular groove, so that the cutting work is not affected by the interlaced plastic strips. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a structure schematic view of the plastic particle cutting machine.

[0019] Figure 2 It is a rear view of the plastic particle cutting machine.

[0020] Figure 3 It is a sectional view of the plastic particle cutting machine.

[0021] Figure 4 It is a schematic view of the driving roller in the plastic particle cutting machine.

[0022] Figure 5 It is a schematic view of the conveying roller in the plastic particle cutting machine.

[0023] In the above figure: 1 cutting box, 2 support leg, 3 cover plate, 4 motor, 5 feed inlet, 6 first gear, 7 second gear, 8 synchronous wheel, 9 synchronous belt, 10 first short shaft, 11 drive roller, 12 cutter, 13 support plate, 14 second short shaft, 15 conveying roller, 16 rubber sleeve, 17 discharge chute, 18 annular groove. DETAILED DESCRIPTION

[0024] The technical solutions in the utility model are further described below with reference to the drawings and examples.

[0025] As Figures 1-5 shown in the utility model embodiment, a plastic particle cutting machine is provided, which comprises:

[0026] The cutting box 1 is stably supported by the four support legs 2 fixedly connected to the bottom of the cutting box 1, and the stability between the cutting box 1 and the ground is increased by the leather pads fixed to the bottom of the four support legs 2, so that the stability of the cutting box 1 is improved.

[0027] The feed inlet 5 is provided through the cutting box 1 and is arranged opposite to the rubber sleeve 16 to convey the plastic strip into the cutting box 1, wherein two guide tables are fixed to the inner bottom of the cutting box 1, and the discharge chute 17 is provided through the bottom of the cutting box 1 and is located between the two guide tables, so that the cut plastic particles can be discharged.

[0028] The cutting assembly comprises two drive rollers 11 rotatably installed in the cutting box 1 and distributed vertically, the first short shaft 10 is fixedly connected to the outer wall of the drive roller 11 and is rotatably connected to the inner wall of the cutting box 1, the cutter 12 is mounted on the outer wall of the two drive rollers 11, the conveying roller 15 is rotatably installed in the cutting box 1 and is vertically distributed, the second short shaft 14 is fixedly connected to the conveying roller 15 and is rotatably connected to the inner wall of the cutting box 1.

[0029] The transmission mechanism comprises the first gear 6 fixed to the two first short shafts 10, the two first gears 6 are engaged with each other, the second gear 7 is fixed to the second short shaft 14, the two second gears 7 are engaged with each other, the synchronous wheel 8 is coaxially mounted on the first gear 6 and the second gear 7, the two synchronous wheels 8 are connected by the synchronous belt 9, the motor 4 is installed on the cutting box 1, and the output end of the motor 4 is fixedly connected to the first short shaft 10.

[0030] The outer wall of the conveying roller 15 is sleeved with a fixedly connected rubber sleeve 16, the outer wall of the rubber sleeve 16 is provided with a plurality of annular grooves 18, and the two annular grooves 18 opposite to each other can convey the plastic to the cutter 12 for pelletizing; in order to ensure the stability of the plastic strip, the inner wall of the pelletizing box 1 is fixedly provided with a supporting plate 13, the supporting plate 13 is located between the driving roller 11 and the conveying roller 15, and the plastic strip can be supported through the supporting plate 13.

[0031] In use, the motor 4 is started, the motor 4 drives the first short shaft 10, the driving roller 11 and the cutter 12 to rotate, through the cooperation of the first gear 6, the rotation of the two driving rollers 11 and the cutter 12 is realized; under the transmission of the synchronous wheel 8 and the synchronous belt 9, the rotation of the second gear 7 is realized, under the transmission of the two second gears 7, the rotation of the two conveying rollers 15 and the rubber sleeve 16 is realized;

[0032] When the pelletizing work is performed, the plastic strip enters between the two rubber sleeves 16 through the feeding port 5, and the plastic strip is located between the two annular grooves 18, the plastic strip can be clamped through the rubber sleeve 16, and a plurality of plastic strips can be separated through the annular groove 18, so that the pelletizing work is not affected by the interlacing of the plastic strips; since the rubber sleeve 16 is made of rubber material and has a deformation capability, it can be suitable for conveying plastic strips of a plurality of sizes (the size is the diameter and within a small range);

[0033] The plastic strip conveyed by the conveying roller 15 and the rubber sleeve 16 is conveyed to between the two driving rollers 11 through the supporting plate 13, the cutter 12 first abuts against the plastic strip and drives the plastic strip to move forward, with the rotation of the cutter 12 following the driving roller 11, the two cutters 12 are opposite to each other, so that the plastic can be cut off, at the same time, the cutter at the rear side abuts against the plastic strip again and drives it to move, so that the vibration caused by the cutting of the front side does not affect the subsequent conveying of the plastic strip, then the pelletizing is performed again, so that the plastic strip can be quickly pelletized, the pelletizing efficiency is improved, and the stable conveying of the plastic strip can be ensured;

[0034] The plastic particles after the pelletizing are discharged through the discharge chute 17 and can be collected through a collecting box.

[0035] Finally, it should be noted that the above examples are only used to illustrate the technical solutions of the present application and are not limited, and the preferred embodiments of the present application have been described in detail, and those skilled in the art should understand that the technical solutions of the present application can be modified or replaced by equivalents without departing from the purpose and scope of the technical solutions of the present application, and they should be covered in the scope of the claims of the present application.

Claims

1. A plastic pellet cutter, characterized by, Include: Cutting box (1); Cutting assembly; the cutting assembly includes two driving rollers (11) rotatably mounted in the cutting box (1) and distributed up and down, a plurality of cutters (12) are mounted on the outer wall of the two driving rollers (11), the cutting box (1) is rotatably mounted with two conveying rollers (15) which can rotate synchronously with the driving roller (11) and are distributed up and down, the outer wall of the conveying roller (15) is sleeved with a rubber sleeve (16) fixedly connected, the outer wall of the rubber sleeve (16) is provided with a plurality of annular grooves (18), and the two annular grooves (18) opposite to each other can convey plastic to the cutter (12) for cutting.

2. The plastic particle dicer of claim 1, wherein Wherein: The inner bottom of the cutting box (1) is fixed with two guide tables, and the bottom of the cutting box (1) is provided with a discharge chute (17) penetrating through, and the discharge chute (17) is located between the two guide tables.

3. The plastic particle dicer of claim 1, wherein, Wherein: The driving roller (11) is coaxially fixedly connected with a first short shaft (10), and the first short shaft (10) is rotatably connected with the inner wall of the cutting box (1).

4. The plastic particle dicer of claim 3, wherein Wherein: The conveying roller (15) is fixedly connected with a second short shaft (14) arranged coaxially, and the second short shaft (14) is rotatably connected with the inner wall of the cutting box (1).

5. A plastic pellet cutter as claimed in claim 4, wherein Wherein: It also includes a transmission mechanism, the transmission mechanism includes a first gear (6) fixed on the two first short shafts (10), the two first gears (6) are engaged, the second short shaft (14) is fixed with a second gear (7), the two second gears (7) are engaged, the first gear (6) and the second gear (7) are coaxially mounted with a synchronous wheel (8), the two synchronous wheels (8) are connected through a synchronous belt (9), the cutting box (1) is provided with a motor (4), and the output end of the motor (4) is fixedly connected with the first short shaft (10).

6. The plastic pellet dicer of claim 1 wherein, Wherein: The bottom of the cutting box (1) is fixedly connected with four supporting legs (2), and the bottom of each of the four supporting legs (2) is fixedly connected with a leather pad.

7. The plastic pellet dicer of claim 1 wherein, Wherein: The cutting box (1) is provided with a feeding port (5) penetrating through, and the feeding port (5) is arranged opposite to the rubber sleeve (16).

8. The plastic particle dicer of claim 1, wherein, Wherein: The inner wall of the cutting box (1) is fixedly connected with a supporting plate (13), and the supporting plate (13) is located between the driving roller (11) and the conveying roller (15).

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