Circulating type pelletizing device for modified plastic forming

Abstract

The utility model relates to the technical field of pelletizing equipment, in particular to a circulating pelletizing device for modified plastic forming, which comprises a pelletizer body mounted on a support, a feeding port is arranged above the pelletizer body, a feeding port communicated with the feeding port is arranged at the top end of the pelletizer body, a pelletizing mechanism is arranged inside the pelletizer body, and the pelletizing mechanism is arranged on the support. The pelletizing mechanism comprises a driving shaft and a driven shaft which are arranged in the body in parallel and rotate in a meshed mode, cutters are arranged on the driving shaft and the driven shaft, and modified plastic is extruded and pelletized through the cutters installed on the driving shaft and the driven shaft. According to the utility model, the partition plate is arranged below the pelletizing mechanism, and the screen holes for filtering the particles are formed in the partition plate, so that the large-volume plastic particles which are not sufficiently pelletized cannot penetrate through the screen holes to be discharged, and are driven by the pelletizing mechanism to circularly move in the body for pelletizing again, and the pelletizing operation is circularly performed in a reciprocating manner; therefore, the uniformity and consistency of the plastic particles are ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of pelletizing equipment, in particular to a circulating pelletizing device for forming modified plastics. Background Art

[0002] As people's requirements for plastic performance increase, the application fields of modified plastic materials are becoming more and more extensive. Modified plastics need to be crushed and pelletized before forming for easy processing. Pelletizing is an important process that affects the shape, size and performance of the finished plastic product.

[0003] The existing technology still has the following defects during use: the traditional pelletizing device has problems such as low efficiency, high energy consumption, and uneven size of modified plastic particles after pelletizing, which affects the subsequent processing and use of modified plastics. Therefore, it is of great significance to develop a circulating pelletizing device for pelletizing modified plastics with high efficiency, energy saving and uniform particle size. Utility Model Content

[0004] The purpose of the utility model is to provide a circulating pelletizing device for forming modified plastics to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a circulating pelletizing device for modified plastic molding, comprising a pelletizer body installed on a bracket, a loading port is provided on the top of the body, a feeding port connected to the loading port is provided on the top of the body, a pelletizing mechanism is provided inside the body, the pelletizing mechanism comprises a driving shaft and a driven shaft which are arranged in parallel inside the body and mesh with each other for rotation, both the driving shaft and the driven shaft are provided with cutting knives, and the modified plastic is extruded and pelletized by the cutting knives installed on the driving shaft and the driven shaft, a discharge pipe is provided at the bottom of the body, a detachable partition is provided between the pelletizing mechanism and the discharge pipe, and a sieve hole is provided on the partition for the shredded plastic particles to pass through.

[0006] Preferably, the driving shaft and the driven shaft are both mounted on the body via a bearing seat, one end of the driving shaft is mounted with a driving tooth and a transmission member via a spline, the driven shaft is mounted with a driven tooth meshing with the driving tooth, and the driving shaft is connected to a drive device via a transmission member.

[0007] Preferably, the driving device comprises a motor, an output end of the motor is connected to a belt, the other end of the belt is connected to a transmission member, a support member is provided at the bottom of the motor, and the motor is fixed to one side of the bottom of the bracket through the support member.

[0008] Preferably, connecting ends are provided on both sides of the partition, and the connecting ends on both sides are tightly fitted with the side walls of the main body respectively. Threaded holes are provided on the connecting ends on both sides, and the partition is fixedly connected to the side walls of the main body by bolts passing through the threaded holes.

[0009] Preferably, the partition is an arc-shaped plate, and the concave surface of the arc-shaped partition is arranged toward one side of the pelletizing mechanism.

[0010] Preferably, the feed port is surrounded by metal sheet parts to form an inverted trapezoidal material storage space.

[0011] Preferably, an opening is provided at the bottom of the body for the modified plastic particles to pass through, the body is connected to a discharge pipe through the opening, a discharge port is provided at the bottom of the discharge pipe, and the discharge port extends to the outside of the bottom of the bracket.

[0012] Compared with the prior art, the utility model has the following beneficial effects: the utility model is provided with a partition below the pelletizing mechanism, on which a sieve hole for filtering particles is provided, so that large-volume plastic particles that are not sufficiently pelletized cannot pass through the sieve hole for discharge, and are driven by the pelletizing mechanism to circulate in the main body for pelletizing again, thereby performing a reciprocating pelletizing operation, thereby ensuring the uniformity and consistency of the plastic particles. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a front view structural schematic diagram of the utility model;

[0014] Figure 2 It is a side view structural schematic diagram of the utility model;

[0015] Figure 3 It is a schematic diagram of the front cross-sectional structure of the utility model;

[0016] Figure 4 It is a partial structural schematic diagram of the utility model.

[0017] In the figure: 1, loading port; 101, feeding port; 2, main body; 3, bracket; 4, discharge pipe; 401, opening; 5, discharge port; 6, support; 7, motor; 8, belt; 9, driven gear; 10, driven shaft; 11, driving shaft; 12, driving gear; 13, cutter; 14, partition; 1401, sieve hole. DETAILED DESCRIPTION

[0018] The technical solution of the utility model is further described below in conjunction with the accompanying drawings and specific embodiments.

[0019] Embodiment 1

[0020] like Figure 1 , Figure 2 , Figure 3 ,and Figure 4As shown, the circulating pelletizing device for modified plastic molding proposed by the utility model comprises a pelletizer body 2 mounted on a bracket 3, characterized in that: a feed port 1 is provided above the body 2, a feed port 101 connected to the feed port 1 is provided at the top of the body 2, the modified plastic is added through the feed port 1 and enters the body 2 through the feed port, a pelletizing mechanism is provided inside the body 2, the pelletizing mechanism comprises a driving shaft 11 and a driven shaft 10 which are arranged in parallel inside the body 2 and mesh with each other for rotation, the driving shaft 11 and the driven shaft 10 are arranged in parallel inside the body 2 and mesh with each other for rotation, 10 are provided with a cutter 13, and the modified plastic is driven to reciprocate in the main body 2 by the meshing rotation between the driving shaft 11 and the driven shaft 10, and the modified plastic is extruded and pelletized by the cutter 13 installed on the driving shaft 11 and the driven shaft 10. A discharge pipe 4 is provided at the bottom of the main body 2, and a detachable partition 14 is provided between the pelletizing mechanism and the discharge pipe 4. The partition 14 is provided with a sieve hole 1401 for the chopped plastic particles to pass through, and the partition 14 is used to screen the large-volume modified plastic for pelletizing again.

[0021] In the embodiment, the driving shaft 11 and the driven shaft 10 are both installed on the main body 2 through the bearing seat, one end of the driving shaft 11 is installed with a driving tooth 12 and a transmission member through a spline, the driven shaft 10 is installed with a driven tooth 9 meshing with the driving tooth 12, and the driving shaft 11 is connected to the driving device through the transmission member.

[0022] In the embodiment, the driving device includes a motor 7, the output end of the motor 7 is connected to a belt 8, the other end of the belt 8 is connected to a transmission member, a support member 6 is provided at the bottom of the motor 7, and the motor 7 is fixed to one side of the bottom of the bracket 3 through the support member 6.

[0023] In the embodiment, connecting ends are provided on both sides of the partition 14, and the connecting ends on both sides are tightly fitted with the side walls of the main body 2 respectively. Threaded holes are provided on the connecting ends on both sides, and the partition 14 is fixedly connected to the side walls of the main body 2 by bolts passing through the threaded holes.

[0024] In the embodiment, the partition 14 is an arc-shaped plate, and the concave surface of the arc-shaped partition 14 is arranged toward the pelletizing mechanism. The modified plastic that is not fully pelletized is driven by the rotating active shaft 11 and the driven shaft 10 to circulate along the arc-shaped partition 14 in the main body 2 for repeated pelletizing.

[0025] In the embodiment, the feed port 1 is surrounded by metal sheet parts to form an inverted trapezoidal material storage space.

[0026] In the embodiment, an opening 401 for the modified plastic particles to pass through is provided at the bottom of the body 2 , and the body 2 is connected to the discharge pipe 4 through the opening 401 . A discharge port 5 is provided at the bottom of the discharge pipe 4 , and the discharge port 5 extends to the outside of the bottom of the bracket 3 .

[0027] The working principle of the circulating pelletizing device for modified plastic molding based on the first embodiment is: when the utility model is used, the modified plastic is added into the main body 2 through the feeding port 1, the power is turned on, the motor 7 works, and the output end of the motor 7 drives the driving shaft 11 to rotate through the belt 8. The driving shaft 11 drives the driven gear 9 to rotate through the engagement of the driving tooth 12 with the driven tooth 9, so that the driving shaft 11 and the driven shaft 10 drive the cutter 13 to rotate relative to each other to perform a pelletizing operation on the modified plastic. The chopped particles pass through the sieve holes 1401 on the partition 14 under the action of gravity and are discharged from the discharge port 5 to the outside of the pelletizing device main body 2. The large volume of modified plastic particles that do not meet the processing requirements continue to flip and circulate along the partition 14 driven by the rotation of the overall pelletizing mechanism and pass through the pelletizing mechanism for pelletizing again, and this reciprocating cycle is repeated.

[0028] The above-mentioned specific embodiments are only several preferred embodiments of the present invention. Based on the technical solution of the present invention and the relevant inspiration of the above-mentioned embodiments, those skilled in the art can make various alternative improvements and combinations to the above-mentioned specific embodiments.

Claims

1. A circulating pelletizing device for forming modified plastics, comprising a pelletizer body (2) mounted on a bracket (3), characterized in that: A loading port (1) is provided above the body (2), a feeding port (101) connected to the loading port (1) is provided at the top of the body (2), a pelletizing mechanism is provided inside the body (2), the pelletizing mechanism comprises a driving shaft (11) and a driven shaft (10) which are arranged in parallel inside the body (2) and mesh with each other for rotation, a cutter (13) is provided on each of the driving shaft (11) and the driven shaft (10), the modified plastic is extruded and pelletized by the cutter (13) installed on the driving shaft (11) and the driven shaft (10), a discharge pipe (4) is provided at the bottom of the body (2), a detachable partition (14) is provided between the pelletizing mechanism and the discharge pipe (4), and a sieve hole (1401) is provided on the partition (14) for the shredded plastic particles to pass through.

2. The circulating pelletizing device for modified plastic molding according to claim 1, characterized in that: The driving shaft (11) and the driven shaft (10) are both mounted on the body (2) via a bearing seat; one end of the driving shaft (11) is mounted with a driving tooth (12) and a transmission member via a spline; the driven shaft (10) is mounted with a driven tooth (9) meshing with the driving tooth (12); and the driving shaft (11) is connected to a driving device via a transmission member.

3. The circulating pelletizing device for modified plastic molding according to claim 2, characterized in that: The driving device comprises a motor (7), the output end of the motor (7) is connected to a belt (8), the other end of the belt (8) is connected to a transmission member, a support member (6) is provided at the bottom of the motor (7), and the motor (7) is fixed to one side of the bottom of the bracket (3) through the support member (6).

4. The circulating pelletizing device for modified plastic molding according to claim 1, characterized in that: The partition (14) is provided with connecting ends on both sides, and the connecting ends on both sides are respectively tightly fitted with the side walls of the body (2) on both sides. The connecting ends on both sides are provided with threaded holes, and the partition (14) is fixedly connected to the side walls of the body (2) by bolts passing through the threaded holes.

5. The circulating pelletizing device for modified plastic molding according to claim 1, characterized in that: The partition plate (14) is an arc-shaped plate, and the concave surface of the arc-shaped partition plate (14) is arranged toward one side of the pelletizing mechanism.

6. The circulating pelletizing device for modified plastic molding according to claim 1, characterized in that: The loading port (1) is surrounded by metal sheet parts to form an inverted trapezoidal material storage space.

7. The circulating pelletizing device for modified plastic molding according to claim 1, characterized in that: The bottom of the body (2) is provided with an opening (401) for the modified plastic particles to pass through, the body (2) is connected to the discharge pipe (4) through the opening (401), the bottom of the discharge pipe (4) is provided with a discharge port (5), and the discharge port (5) extends to the outside of the bottom of the bracket (3).

Images