Plastic particle cutting equipment

Abstract

The utility model relates to cutting equipment, and provides plastic particle cutting equipment which comprises an equipment main body, an equipment protective door and the like, a console is installed on one side of the front portion of the equipment body, a control system and a data processing unit are arranged in the console, a processing cavity is formed in the equipment body, an operation opening is formed in the front side of the upper portion of the equipment body, and an equipment protection door is arranged on the equipment body in a sliding mode. According to the utility model, the cutting part is carried on the sliding table structure with an automatic positioning and adjusting function, so that when plastic particles need to be subjected to remodeling operation or particle size specification change during cutting, the dynamic calibration of the relative positions of the rotary cutter and the die head can be synchronously completed by virtue of the movement of the sliding table, and the traditional manual adjusting process is abandoned; the intelligent level of equipment operation and the production remodeling efficiency are remarkably improved, and the continuity and accuracy of cutting operation are ensured.

Description

A plastic pellet cutting device Technical Field

[0001] This utility model relates to a cutting device, and more particularly to a plastic granule cutting device. Background Technology

[0002] In the plastic pellet production industry, equipment changeovers or pellet size adjustments are common production needs during the cutting process. In traditional processing, when changing the cutting type or pellet size, manual adjustment of the relative positions of the cutting components and the die head is often required. Operators must repeatedly calibrate the distance and alignment accuracy between the rotary cutter and the die head. This manual adjustment is not only inefficient and prone to human error leading to unstable cutting accuracy and affecting the uniformity of the plastic pellet size, but it also requires equipment shutdown during the adjustment process, significantly reducing production continuity and increasing downtime losses and labor costs. Especially in production scenarios with frequent changes in multiple specifications, the lag and instability of traditional adjustment methods become increasingly prominent, failing to meet the requirements of automated production for efficiency, precision, and continuity. Summary of the Invention

[0003] In order to overcome the shortcomings of the existing technology, the purpose of this utility model is to provide a plastic granule cutting device.

[0004] Technical Solution: A plastic granule cutting device includes a main body, a protective door, an extruder, a die head, a slide block, a transmission component, a slide table, a drive motor, a partition, a guide seat, a rotating shaft, a blade holder, and a rotary cutter. A control panel is installed on one side of the front of the main body, containing a control system and a data processing unit. A processing chamber is formed inside the main body. An operating port is located on the upper front side of the main body. A protective door slides on the main body, allowing the operating port to be opened or closed. A transverse discharge channel is located on the lower front side of the main body. An extruder is transversely inserted on the upper left side of the main body. A die head is installed at the right end of the extruder, with several annularly distributed extrusion ports on the die head. A partition divides the processing chamber into two spaces. The cutting cavity and equipment mounting cavity are separate. The cutting cavity is connected to the discharge channel. A slide is installed in the equipment mounting cavity of the main body of the equipment. A sliding table is slidably installed on the slide. A transmission component is installed on the upper part of the slide. The transmission component consists of a transmission motor and a transmission screw. The transmission screw is screwed to the sliding table. The transmission component drives the sliding table to move left and right on the slide. A drive motor is installed on the upper part of the sliding table. The transmission motor and the drive motor are connected to the control system signal of the control console. A rotating shaft is fixedly connected to the output shaft of the drive motor. The rotating shaft and the die head are in a concentric position. The drive motor drives the rotating shaft to rotate. A guide seat is provided on the partition. The rotating shaft passes through the guide seat laterally. The rotating shaft slides and rotates in contact with the guide seat. A knife holder is connected to the end of the rotating shaft. Multiple knife holders are arranged in a ring at intervals on the knife holder. Each knife holder is equipped with a rotary cutting knife.

[0005] In addition, it is particularly preferred that a distance sensor is also included, with distance sensors provided on both the slide table and the slide base. The two distance sensors are located on the same horizontal line and are arranged opposite each other. The distance sensors are both connected to the data processing unit of the control console.

[0006] Furthermore, it is particularly preferred that the lower part of the cutting cavity of the main body of the equipment is provided with a guide surface that is inclined towards the discharge channel, and the lowest end of the guide surface is connected to the inlet of the discharge channel.

[0007] In addition, it is particularly preferred that the material also includes a material transfer frame, a conveyor belt and rollers, with a material transfer frame provided in the lower part of the discharge channel, a conveyor belt installed inside the material transfer frame, and rollers provided on the right side of the material transfer frame.

[0008] Furthermore, it is particularly preferred that the device also includes a receiving plate, a spring, a mounting frame, a swing motor, a swing arm, and a connecting rod. The receiving plate is located above the guide surface of the main body of the device. The rear end of the receiving plate is rotatably connected to the main body of the device. At least one spring is located at the front of the receiving plate. The two ends of the spring are connected to the receiving plate and the main body of the device, respectively. Under the support of the spring, the angle between the receiving plate and the guide surface of the cutting cavity is consistent. The front end of the receiving plate extends to the top of the discharge channel. The main body of the device is equipped with a mounting frame. The mounting frame is equipped with a swing motor. The output shaft of the swing motor is equipped with a swing arm. The end of the swing arm is hinged to a connecting rod. The other end of the connecting rod is hinged to the front side of the bottom of the receiving plate.

[0009] Compared with the prior art, the present invention has the following advantages: 1. By mounting the cutting component on a slide table structure with automatic positioning and adjustment function, when plastic granules need to be changed or the particle size specification is changed, the relative position of the rotary cutter and the die head can be dynamically calibrated simultaneously by relying on the movement of the slide table, completely eliminating the traditional manual adjustment process, significantly improving the intelligent level of equipment operation and production change efficiency, and ensuring the continuity and accuracy of cutting operations.

[0010] 2. This utility model has a continuously swinging receiving plate at the bottom of the cutting cavity to introduce the material into the discharge channel. The continuous mechanical swinging realizes the uninterrupted material conveying, effectively avoiding the material accumulation or blockage problems that may be caused by the traditional static receiving method, improving the material transmission efficiency, and ensuring the seamless connection between the cutting process and the discharge process. Attached Figure Description

[0011] Figure 1 is a three-dimensional structural diagram of this utility model.

[0012] Figure 2 is a three-dimensional structural diagram of the main body of the device, the extruder, and the rotating shaft of this utility model.

[0013] Figure 3 is a three-dimensional structural diagram of the cutting mechanism of this utility model.

[0014] Figure 4 is a three-dimensional structural diagram of the main body of the equipment and the discharge mechanism of this utility model.

[0015] Figure 5 is a three-dimensional structural diagram of the material discharge mechanism of this utility model.

[0016] Figure 6 is a three-dimensional structural diagram of the material transfer mechanism of this utility model.

[0017] The above-mentioned attached drawings include the following reference numerals: 1. Equipment body, 2. Equipment protective door, 21. Discharge channel, 3. Extruder, 4. Die head, 5. Slide, 51. Transmission component, 511. Slide table, 52. Drive motor, 521. Partition plate, 53. Guide seat, 54. Rotary shaft, 55. Knife holder, 56. Rotary cutting knife, 57. Distance sensor, 6. Material transfer frame, 61. Conveyor belt, 63. Roller, 7. Receiving plate, 71. Spring, 72. Mounting bracket, 73. Swing motor, 731. Swing arm, 74. Connecting rod. Detailed Implementation

[0018] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings. It should be understood that these descriptions are merely exemplary and not intended to limit the scope of this utility model. Furthermore, descriptions of well-known structures and technologies are omitted in the following description to avoid unnecessarily obscuring the concept of this utility model.

[0019] Example 1

[0020] A plastic granule cutting device, as shown in Figures 1-4, includes a main body 1, a protective door 2, an extruder 3, a die head 4, a slide 5, a transmission component 51, a slide table 511, a drive motor 52, a partition 521, a guide seat 53, a rotating shaft 54, a blade holder 55, and a rotary cutter 56. A control panel is installed on the front side of the main body 1, containing a control system and a data processing unit. These two units interact with the electrical components of the device via wiring to achieve intelligent control of the device's operation. The main body 1 has a processing cavity, and an operating opening is located on the upper front side of the main body 1. The protective door 2 is slidably mounted on the main body 1 via a sliding rail and a slider. When the protective door 2 is slidable, the slider moves smoothly within the sliding rail, thereby opening or closing the operating opening. This facilitates operation and allows for connection between the processing cavity inside the main body 1 and the external space during the processing stage. To reduce the impact of external factors on processing, a horizontal discharge channel 21 is opened on the lower front side of the main body 1. An extruder 3 is horizontally inserted and fixedly installed on the upper left side of the main body 1. The right end of the extruder 3 is tightly connected to the die head 4 by bolts. The die head 4 has several annularly distributed extrusion ports. The extruder 3 pushes the molten plastic to the die head 4 and extrudes it through the extrusion ports to form strip-shaped material. A partition 521 is fixedly installed in the processing cavity of the main body 1 by welding. The partition 521 divides the processing cavity into two spaces, namely the cutting cavity and the equipment installation cavity. The cutting cavity is connected to the discharge channel 21. The lower part of the cutting cavity of the main body 1 is provided with a guide surface that is inclined towards the discharge channel 21. The lowest end of the guide surface is connected to the inlet of the discharge channel 21. After the material is cut, it can slide down the guide surface to the discharge channel 21 under the action of gravity, realizing the smooth transportation of the material.

[0021] A slide block 5 is bolted and fixedly installed in the equipment mounting cavity of the main body 1. A slide table 511 is slidably mounted on the slide block 5 via a linear guide rail. A transmission component 51 is mounted on the upper part of the slide block 5. The transmission component 51 consists of a drive motor and a drive screw. The drive screw is threadedly connected to the slide table 511. When the drive motor drives the drive screw to rotate, the slide table 511 moves laterally left and right on the slide block 5 along the linear guide rail under the action of the threaded transmission, thereby achieving precise adjustment of the cutting part's position. A drive motor 52 is bolted and fixedly installed on the upper part of the slide table 511. Both the drive motor and the drive motor 52 are connected to the control system signal of the control console via cables. The output shaft of the drive motor 52 is fixedly connected to the rotating shaft 54 ​​via a coupling. The rotating shaft 54 ​​and the die head 4 are in a concentric position. The drive motor 52 drives the rotating shaft 54 ​​to rotate. A guide seat 53 is fixed on the partition plate 521 by bolts. The rotating shaft 54 ​​passes through the guide seat 53 laterally. The rotating shaft 54 ​​and the guide seat 53 are in sliding and rotating contact through the bearing, which can ensure the stable rotation of the rotating shaft 54 ​​and provide support and guidance. The end of the rotating shaft 54 ​​is connected to the blade holder 55 by bolts. Multiple blade holders are arranged in a ring on the blade holder 55. A rotary cutter 56 is installed in the blade holder by bolts. When the rotating shaft 54 ​​rotates, it drives the blade holder 55 and the rotary cutter 56 to rotate synchronously. The rotary cutter 56 corresponds to the extrusion port of the die head 4 and cuts the extruded strip material to form plastic granules of the required particle size.

[0022] Specifically, after the equipment is started, the operator sets the cutting parameters (such as particle size and cutting speed) through the control panel. The control system receives the instruction and activates the extruder 3. The extruder 3 pushes the molten plastic raw material to the die head 4. The plastic forms a uniform strip material through the annularly distributed extrusion nozzles on the die head 4. At the same time, the drive motor 52 drives the rotating shaft 54 ​​to rotate at high speed, so that the cutter holder 55 and the rotary cutter 56 rotate synchronously to continuously cut the plastic strips extruded from the extrusion nozzles to form granular products.

[0023] When it is necessary to adjust the cutting particle size or perform a shape change operation, the control system triggers the transmission motor of the transmission component 51, driving the transmission screw to rotate, so that the slide table 511 moves precisely laterally on the slide block 5 along the linear guide rail. This action drives the drive motor 52, the rotating shaft 54 ​​and the rotary cutter 56 to move as a whole, dynamically calibrating the relative position between the rotary cutter 56 and the die head 4 to ensure cutting accuracy. The cut plastic particles fall onto the inclined guide surface, and the particle material slides orderly along the inclined guide surface into the discharge channel 21. Throughout the process, the partition 521 divides the processing cavity into the cutting cavity and the equipment installation cavity, effectively isolating the cutting operation area from the electrical transmission components and improving the safety of equipment operation.

[0024] Example 2

[0025] Based on Embodiment 1, as shown in Figure 3, a distance sensor 57 is also included. The slide table 511 and the slide base 5 are both fixed with bolts to the opposite sides of the slide table 511. The two distance sensors 57 are on the same horizontal line and are arranged opposite each other. The distance sensors 57 are connected to the data processing unit of the control console via cables. When the slide table 511 moves horizontally on the slide base 5, the two distance sensors 57 monitor the change in distance between each other in real time and transmit the data to the data processing unit. By comparing with preset parameters, the actual displacement of the slide table 511 can be accurately determined, avoiding displacement deviations that may occur due to mechanical transmission and ensuring the accuracy of the position adjustment of the cutting parts.

[0026] As shown in Figures 1 and 6, the system also includes a material transfer frame 6, a conveyor belt 61, and rollers 63. The material transfer frame 6 is fixed to the lower part of the discharge channel 21 by bolts. The conveyor belt 61 is mounted on both ends of the material transfer frame 6 by rotating shafts. The conveyor belt 61 is connected to an external drive device. The rollers 63 are rotatably connected to the right side of the material transfer frame 6 by bearings. The outer circumference of the rollers 63 contacts the inner wall of the discharge channel 21. The cut material falls onto the conveyor belt in the material transfer frame 6 through the guide surface. The conveyor belt 61 rotates under the drive device, conveying the material to the right. The rollers 63 provide support and guidance, ensuring that the material transfer frame 6 moves stably when entering and exiting the discharge channel 21.

[0027] As shown in Figures 1, 4, and 5, the equipment also includes a receiving plate 7, a spring 71, a mounting bracket 72, a swing motor 73, a swing arm 731, and a connecting rod 74. The receiving plate 7 is rotatably connected to the guide surface of the main body 1 via a pin. The rear end of the receiving plate 7 is rotatably connected to the main body 1. At least one spring 71 is symmetrically arranged on the upper and lower sides of the front part of the receiving plate 7. The two ends of the spring 71 are connected to the receiving plate 7 and the main body 1 via hooks. Under the support of the spring 71, the angle between the receiving plate 7 and the guide surface of the cutting cavity is consistent. The front end of the receiving plate 7 extends to the top of the discharge channel 21. The mounting bracket 72 is fixed to the side wall of the main body 1 by bolts. The swing motor 73 is fixed to the mounting bracket 72 by bolts. The output shaft of the swing motor 73 is connected to the swing arm 73 via a key. The end of the swing arm 731 is hinged to the connecting rod 74 via a pin. The other end of the connecting rod 74 is hinged to the bottom front side of the receiving plate 7 via a pin. When the oscillating motor 73 is running, it drives the swing arm 731 to rotate around the output shaft, which in turn pulls the front of the receiving plate 7 to swing up and down through the connecting rod 74. When the oscillating motor 73 drives the swing arm 731 to drive the connecting rod 74 to pull the front of the receiving plate 7 to swing up and down, the tilt angle of the receiving plate 7 changes regularly with the oscillation cycle. The combined effect of inertia and gravity guides the material to move forward continuously. The spring 71 provides buffer tension in real time during the oscillation process to maintain the stability of the oscillation rhythm, so that the material forms a continuous linear flow trajectory on the surface of the receiving plate 7. This eliminates the dead corners of material accumulation that may occur due to the static guiding surface. Especially when cutting high-viscosity plastic granules, the mechanical disturbance generated by the dynamic oscillation can effectively destroy the adhesion between materials. Combined with the tilt slope of the receiving plate 7, it realizes uninterrupted material transmission from the cutting cavity to the discharge channel.

[0028] It should be understood that this embodiment is for illustrative purposes only and is not intended to limit the scope of the present invention. Furthermore, it should be understood that after reading the teachings of this invention, those skilled in the art can make various alterations or modifications to the invention, and these equivalent forms also fall within the scope defined by the appended claims.

Claims

1. A plastic granule cutting device, comprising a main body (1) and a protective door (2), wherein a control panel is installed on one side of the front of the main body (1), the control panel is equipped with a control system and a data processing unit, a processing cavity is opened inside the main body (1), an operating port is opened on the upper front side of the main body (1), and a protective door (2) is slidably provided on the main body (1), the operating port can be opened or closed by sliding the protective door (2); characterized in that, It also includes an extruder (3), a die head (4), a slide (5), a transmission component (51), a slide table (511), a drive motor (52), a partition (521), a guide seat (53), a rotating shaft (54), a knife holder (55), and a rotary cutter (56). A transverse discharge channel (21) is opened on the lower front side of the main body of the equipment (1). An extruder (3) is transversely installed on the upper left side of the main body of the equipment (1). A die head (4) is installed on the right end of the extruder (3). Several annularly distributed extrusion ports are opened on the die head (4). A partition (521) is provided in the processing cavity of the main body of the equipment (1). The partition (521) divides the processing cavity into two spaces, namely a cutting cavity and an equipment installation cavity. The cutting cavity is connected to the discharge channel (21). A slide (5) is installed in the equipment installation cavity of the main body of the equipment (1). A slide table (511) is slidably installed on the slide (5). A transmission component (56) is installed on the upper part of the slide (5). 1) The transmission component (51) consists of a transmission motor and a transmission screw. The transmission screw is screwed to the slide table (511). The transmission component (51) drives the slide table (511) to move left and right on the slide block (5). The upper part of the slide table (511) is equipped with a drive motor (52). The transmission motor and the drive motor (52) are connected to the control system signal of the control console. The output shaft of the drive motor (52) is fixedly connected to a rotating shaft (54). The rotating shaft (54) and the die head (4) are in a concentric position. The drive motor (52) drives the rotating shaft (54) to rotate. The partition plate (521) is provided with a guide seat (53). The rotating shaft (54) passes through the guide seat (53) laterally. The rotating shaft (54) slides and rotates in contact with the guide seat (53). The end of the rotating shaft (54) is connected to a knife holder (55). Multiple knife holders are arranged in a ring on the knife holder (55). Each knife holder is equipped with a rotary cutting knife (56).

2. A plastic pellet cutting device according to claim 1, characterized in that, It also includes a distance sensor (57). Both the slide table (511) and the slide base (5) are equipped with distance sensors (57). The two distance sensors (57) are on the same horizontal line and are arranged opposite each other. The distance sensors (57) are both connected to the data processing unit of the control console.

3. A plastic pellet cutting device according to claim 2, characterized in that, The lower part of the cutting cavity of the main body of the equipment (1) is provided with a guide surface that is inclined towards the discharge channel (21), and the lowest end of the guide surface is connected to the inlet of the discharge channel (21).

4. A plastic pellet cutting device according to claim 3, characterized in that, It also includes a material transfer frame (6), a conveyor belt (61) and rollers (63). The lower part of the discharge channel (21) is equipped with a material transfer frame (6), and a conveyor belt (61) is installed inside the material transfer frame (6). A roller (63) is provided on the right side of the material transfer frame (6).

5. A plastic pellet cutting device according to claim 4, characterized in that, It also includes a receiving plate (7), a spring (71), a mounting bracket (72), a swing motor (73), a swing arm (731), and a connecting rod (74). The receiving plate (7) is provided above the material guiding surface of the main body of the equipment (1). The rear end of the receiving plate (7) is rotatably connected to the main body of the equipment (1). The front part of the receiving plate (7) is provided with no less than one spring (71). The two ends of the spring (71) are respectively connected to the receiving plate (7) and the main body of the equipment (1). Under the support, the receiving plate (7) and the guide surface of the cutting cavity are arranged at the same angle. The front end of the receiving plate (7) extends to the top of the discharge channel (21). The main body (1) of the equipment is provided with a mounting frame (72). The mounting frame (72) is provided with a swing motor (73). The output shaft of the swing motor (73) is provided with a swing arm (731). The end of the swing arm (731) is hinged with a connecting rod (74). The other end of the connecting rod (74) is hinged to the front side of the bottom of the receiving plate (7).

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