A raw material crushing device for processing PC plastic particles

Abstract

The utility model provides a kind of raw material crushing device for PC plastic particle processing, including including mounting bracket and pulverizer;Pulverizer is connected in mounting bracket top end, and drive motor is also equipped on mounting bracket, and drive motor shaft end is connected with pulverizer;Mounting bracket bottom is also equipped with separating tank corresponding pulverizer, and separating tank is equipped with discharge port;Multiple sets of mounting components are equipped on the two inner sides of separating tank, and multiple sets of mounting components are movably equipped with screen, and multiple sets of screen are connected by connecting piece;Separating tank side is also equipped with transmission motor, and one group of screen is connected with transmission motor by passing through separating tank;The side of separating tank adjacent to transmission motor is also equipped with ventilation pipe, and fan is also equipped in ventilation pipe top end, and mounting clamping groove is also opened in ventilation pipe bottom end, and collecting tank is detachably equipped in mounting clamping groove;Mounting bracket is also equipped with controller. Separating tank is arranged under pulverizer, transmission motor drives screen vibration, ventilation pipe cooperates fan to intercept light impurity, and multiple-stage impurity removal is realized.

Description

Technical Field

[0001] This utility model belongs to the technical field of crushing devices, and more specifically, it relates to a raw material crushing device for PC plastic granule processing. Background Technology

[0002] Polycarbonate (PC), as an engineering plastic, possesses excellent transparency, high strength, and superior weather resistance, making it widely used in various fields. During the processing of PC plastic granules, the raw materials need to be crushed. This is primarily because the raw materials may exhibit uneven size or agglomeration. Crushing equipment breaks them down into smaller, uniform particles, improving the flowability and melt uniformity of the raw materials, making the processing smoother, and reducing product defects caused by differences in raw material size. However, traditional PC plastic granule crushing equipment has weak impurity removal capabilities and lacks integrated impurity removal functions. During the crushing process, it is difficult to effectively separate impurities such as metal scraps and dust from the raw materials. Once these impurities are mixed into the plastic granules, they will adversely affect the quality of subsequent plastic products. Utility Model Content

[0003] To address the aforementioned technical problems, this utility model provides a raw material crushing device for PC plastic granule processing. This device solves the technical problem that traditional PC plastic granule crushing devices have weak impurity removal functions and lack integrated impurity removal capabilities, making it difficult to separate impurities such as metal scraps and dust. The mixing of these impurities with plastic granules can affect the quality of subsequent products.

[0004] The purpose and effectiveness of this utility model's raw material crushing device for PC plastic granule processing are achieved through the following specific technical means:

[0005] A raw material crushing device for PC plastic granule processing includes a mounting frame and a crusher. The crusher is connected to the top of the mounting frame, and a drive motor is also mounted on the mounting frame. The shaft end of the drive motor is connected to the crusher. A separation box is also mounted at the bottom of the mounting frame corresponding to the crusher. The separation box has a discharge port. Multiple sets of mounting components are provided on the two opposite inner sides of the separation box. Screens are movably mounted in each of the multiple sets of mounting components, and the multiple sets of screens are connected by connectors. A drive motor is also provided on one side of the separation box, and one set of screens passes through the separation box and is connected to the drive motor. A ventilation pipe is also provided on the side of the separation box adjacent to the drive motor. A fan is also provided at the top of the ventilation pipe, and a mounting slot is provided at the bottom of the ventilation pipe. A collection box is detachably mounted in the mounting slot. A controller is also provided on the mounting frame.

[0006] The above technical solution further includes that the top of the crusher is provided with an installation part, and a feed hopper is replaceably provided in the installation part, and the feed hopper is connected to the installation part by screws.

[0007] The above technical solution further includes that each pair of adjacent mounting components is provided with a mounting guide rail on one side, and sliders are provided on both sides of the screen corresponding to the mounting guide rail. The screen is slidably mounted in the mounting guide rail by means of the sliders.

[0008] The above technical solution further includes that one side of one set of the screens is connected to one end of the movable part, and a positioning groove is also provided through the inner side of the separation box. The movable part is movably disposed in the positioning groove, and an eccentric wheel is provided at the end of the transmission motor shaft. The other end of the movable part is connected to the eccentric wheel through a transmission rod.

[0009] The above technical solution further includes that an upper clamping block and a lower clamping block are respectively provided at both ends of the ventilation pipe, and the upper clamping block and the lower clamping block are detachably connected; a connecting pipe is provided on the upper clamping block, the connecting pipe passes through the ventilation pipe, and the fan is provided in the connecting pipe; a telescopic support seat is also provided at the bottom end of the lower clamping block.

[0010] The above technical solution further includes that the ventilation pipe is provided with a clip and a slot on the side near the separation box, the top of the collection box is detachably disposed in the clip and the slot, and the top of the collection box is provided with a barrier net, which passes through the ventilation pipe.

[0011] The above technical solution further includes that the controller is provided with a control button and an emergency stop button, and the controller is electrically connected to the drive motor, the transmission motor and the fan respectively.

[0012] The above technical solution further includes that an installation groove is provided inside the discharge port, and a baffle plate is inserted inside the installation groove.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] 1. A separation chamber is installed below the crusher, containing multiple sets of movable screens. The screens are connected to the mounting guide rails on the inner side of the separation chamber via sliders, forming a sliding connection structure. An eccentric wheel is installed at the end of the drive motor shaft, which is connected to the movable part of one set of screens via a transmission rod. The movable part can move up and down in the positioning groove on the inner side of the separation chamber, driving the movement of that set of screens. The connecting parts between the screens ensure that multiple sets of screens vibrate synchronously, effectively separating impurities of different particle sizes from PC plastic granules. At the same time, a ventilation pipe on one side of the separation chamber, together with a fan, forms an airflow. The fan is installed in a connecting pipe inside the ventilation pipe, which is connected to the ventilation pipe via an upper clamping block. An installation slot is opened at the bottom of the ventilation pipe. The barrier net installed at the top of the collection box passes through the ventilation pipe and can be detachably installed in the installation slot, realizing multi-stage impurity removal by combining mechanical screening and air separation, preventing impurities from mixing into PC plastic granules.

[0015] 2. The feed hopper and the top mounting part of the crusher are connected by screws to form a detachable structure for easy disassembly and replacement; the screen can be removed from the separation box by means of a slider and the mounting guide rail, making it easy to clean or replace; the ventilation pipe is composed of an upper clamping block and a lower clamping block connected by a detachable means, and a telescopic support seat is set at the bottom of the lower clamping block to facilitate the maintenance of components such as the fan and collection box inside the ventilation pipe; the controller is equipped with control buttons and an emergency stop button, which are electrically connected to the drive motor, transmission motor and fan respectively to form a unified control system; the discharge port has a mounting chute with a baffle plate inside, which can control the material discharge as needed and improve the flexibility of use. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the first structure after assembly of this utility model.

[0017] Figure 2 This is a schematic diagram of the second structure after assembly of this utility model.

[0018] Figure 3 This is a schematic diagram of the assembled mounting bracket of this utility model.

[0019] Figure 4 This is a cross-sectional view of the mounting bracket of this utility model after assembly.

[0020] Figure 5 This is a schematic diagram of the explosion structure of the ventilation pipe of this utility model.

[0021] Figure 6 This is an exploded structural diagram of the screen of this utility model.

[0022] Figure 7 This is a schematic diagram of the internal structure of the separation box of this utility model.

[0023] Figure 8 This is a schematic diagram of the internal structure of the ventilation pipe of this utility model.

[0024] In the diagram, the correspondence between component names and drawing numbers is as follows:

[0025] 1. Mounting frame; 2. Crusher; 3. Drive motor; 4. Transmission motor; 5. Fan; 6. Controller; 101. Separation box; 102. Mounting parts; 103. Screen; 104. Ventilation pipe; 105. Collection box; 201. Feed hopper; 301. Mounting guide rail; 302. Slider; 401. Moving parts; 402. Positioning slide; 403. Eccentric wheel; 501. Upper clamping block; 502. Lower clamping block; 503. Telescopic support seat; 601. Clip and slot; 602. Barrier net; 701. Control button; 702. Emergency stop button; 801. Baffle plate. Detailed Implementation

[0026] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate the technical solution of this utility model, but should not be used to limit the scope of protection of this utility model. Example:

[0027] like Figures 1 to 8 As shown, this utility model provides a raw material crushing device for PC plastic granule processing, including a mounting frame 1 and a crusher 2. The crusher 2 is connected to the top of the mounting frame 1. The mounting frame 1 is also equipped with a drive motor 3, and the shaft end of the drive motor 3 is connected to the crusher 2. A separation box 101 is also provided at the bottom of the mounting frame 1 corresponding to the crusher 2. The separation box 101 has a discharge port. Multiple sets of mounting parts 102 are provided on the two opposite inner sides of the separation box 101. Screens 103 are movably installed in the multiple sets of mounting parts 102, and the multiple sets of screens 103 are connected by connectors. A drive motor 4 is also provided on one side of the separation box 101. One set of screens 103 passes through the separation box 101 and is connected to the drive motor 4. A ventilation pipe 104 is also provided on the side of the separation box 101 adjacent to the drive motor 4. A fan 5 is also provided at the top of the ventilation pipe 104. A mounting slot is also provided at the bottom of the ventilation pipe 104. A collection box 105 is detachably installed in the mounting slot. A controller 6 is also provided on the mounting frame 1. The top of the crusher 2 is connected to the mounting frame 1, and the drive motor 3 is mounted on the mounting frame 1. The shaft end of the drive motor 3 is connected to the power input shaft of the crusher 2. When the drive motor 3 is powered on, it drives the crushing components inside the crusher 2 to rotate, applying shearing and extrusion forces to the PC plastic granule raw material entering the crusher 2, causing the raw material to be crushed and decomposed, thereby ensuring the stable use of the device.

[0028] Multiple sets of mounting parts 102 are fixed to the two opposite inner sides of the separation box 101 by bolts. The mounting parts 102 are U-shaped. The edge of the screen 103 is embedded in the U-shaped groove of the mounting part 102. The multiple sets of screens 103 are fixed by welding with connectors. The end of one set of screens 103 passes through the side wall of the separation box 101 and is keyed to the output shaft of the drive motor 4. When the drive motor 4 is running, it drives the set of screens 103 to make reciprocating linear motion. The other screens 103 are simultaneously driven to slide in the mounting part 102 through the connectors, so as to realize the vibration screening of the crushed material.

[0029] A ventilation opening is provided on one side of the separation box 101. The ventilation opening is connected to a flange at one end of the ventilation pipe 104, and the other end of the ventilation pipe 104 is closed. The fan 5 is fixed to the top of the ventilation pipe 104. The air inlet of the fan 5 is connected to the inside of the ventilation pipe 104. A mounting slot is provided at the bottom of the ventilation pipe 104. A rubber sealing ring (not shown in the figure) is provided on the inner wall of the mounting slot. The top edge of the collection box 105 is embedded in the mounting slot and is press-fitted with the rubber sealing ring. When the fan 5 is running, a negative pressure airflow is formed in the ventilation pipe 104. Light impurities in the separation box 101 enter the ventilation pipe 104 with the airflow and are intercepted by the barrier net 602 provided at the top of the collection box 105, realizing air separation and impurity removal, and further ensuring the screening of impurities.

[0030] The controller 6 is installed on the mounting bracket 1. Its control circuit is electrically connected to the power lines of the drive motor 3, transmission motor 4, and fan 5. The controller 6 can control the circuit to close the power circuit of the drive motor 3, transmission motor 4, and fan 5 through relays, so that the equipment can start running and realize the adjustment of the speed of the drive motor 3, transmission motor 4, and fan 5, and realize centralized control of the crushing, screening, and impurity removal process.

[0031] like Figure 1 and Figure 2 As shown, the top of the crusher 2 is equipped with a mounting section, within which a replaceable feed hopper 201 is installed. The feed hopper 201 is connected to the mounting section by screws. The mounting section at the top of the crusher 2 provides a mounting base for the feed hopper 201, clearly defining its installation position. The feed hopper 201 is replaceable; when it becomes worn or deformed due to long-term use, or when a different specification or shape of feed hopper 201 is needed to adapt to different processing requirements, it can be disassembled and replaced. The screw connection provides stable fastening force, ensuring a tight fit between the feed hopper 201 and the mounting section of the crusher 2 after installation. This prevents the feed hopper 201 from loosening or shifting due to material impact and vibration during feeding, ensuring stable feeding operations. Furthermore, the replaceable feed hopper 201 allows the equipment to adapt to PC plastic granule raw materials of different shapes and particle sizes. For processing large raw materials, the large-diameter feed hopper 201 can be replaced; for processing small granular raw materials, the feed hopper 201 adapted to small granular feeding can be replaced to improve the equipment's adaptability to different processing scenarios.

[0032] like Figure 3 , Figure 4 , Figure 6 and Figure 7 As shown, each pair of adjacent mounting parts 102 has a mounting guide rail 301 on one side. The screen 103 is also provided with sliders 302 on both sides corresponding to the mounting guide rail 301. The screen 103 is slidably mounted in the mounting guide rail 301 via the sliders 302. One side of one set of screens 103 is connected to one end of the movable part 401. A positioning groove 402 is also provided through the inner side of the separation box 101. The movable part 401 is movably mounted in the positioning groove 402. An eccentric wheel 403 is also provided at the end of the drive motor 4 shaft. The other end of the movable part 401 is connected to the eccentric wheel 403 via a transmission rod. Mounting guide rails 301 are provided on opposite sides of mounting component 102. Slider blocks 302 are provided on both sides of screen 103, embedding themselves within the mounting guide rails 301 to form a sliding pair structure. This provides sliding support and guidance for screen 103, allowing it to move linearly along the mounting guide rails 301 within mounting component 102. Simultaneously, screen 103 is slidable via the cooperation of sliders 302 and mounting guide rails 301, facilitating installation and removal. During installation, sliders 302 are aligned with the open end of mounting guide rails 301 and slid in; during removal, they are slid out along the opposite direction of mounting guide rails 301. This eliminates the need for complex tools and operations, reducing the difficulty of maintaining and replacing screen 103.

[0033] The cooperation between the slider 302 and the mounting guide rail 301 restricts the displacement of the screen 103 in the direction perpendicular to the sliding direction, ensuring the stability of the screen 103 during movement, reducing vibration and offset, and ensuring the effectiveness and reliability of the screening operation; one side of one set of screens 103 is connected to one end of the movable part 401, and the movable part 401 is movably set in the positioning groove 402 on the inner side of the separation box 101, forming a linear motion pair, restricting the movable part 401 to move only along the direction of the positioning groove 402, and providing guidance for the reciprocating motion of the screen 103.

[0034] An eccentric wheel 403 is installed at one end of the drive motor 4 shaft. The other end of the moving part 401 is connected to the eccentric wheel 403 via a transmission rod, forming a crank transmission mechanism. When the drive motor 4 is running, the eccentric wheel 403 performs circular motion, which drives the moving part 401 to perform reciprocating motion up and down in the positioning groove 402 via the transmission rod. This, in turn, drives the screen 103 to perform reciprocating linear motion in the mounting guide rail 301, converting the rotational motion of the motor into the linear vibration of the screen 103, thus realizing the screening function of materials. The cooperation between the eccentric wheel 403 and the transmission rod allows for adjustment of the eccentricity of the eccentric wheel 403, changing the stroke and amplitude of the screen 103 to adapt to the screening requirements of different materials. For materials with larger particles and poor flowability, the eccentricity can be increased to improve the amplitude; for small particles, the eccentricity can be decreased to reduce the amplitude, thereby improving screening efficiency and accuracy.

[0035] like Figure 1 and Figure 5 As shown, the ventilation pipe 104 is equipped with an upper clamping block 501 and a lower clamping block 502 at both ends, which are detachably connected. A connecting pipe is provided on the upper clamping block 501, which passes through the ventilation pipe 104, and the fan 5 is installed inside the connecting pipe. A telescopic support seat 503 is also provided at the bottom of the lower clamping block 502. A clip and slot 601 is also provided on the side of the ventilation pipe 104 near the separation box 101. The top of the collection box 105 is detachably installed in the clip and slot 601, and a barrier net 602 is also provided on the top of the collection box 105, which passes through the ventilation pipe 104. The upper clamping block 501 and the lower clamping block 502 at both ends of the ventilation pipe 104 are detachably connected, which facilitates the disassembly of the ventilation pipe 104. During disassembly, separating the upper clamping block 501 and the lower clamping block 502 exposes the internal components of the ventilation duct 104, facilitating the inspection, replacement, or cleaning of dust accumulation inside the ventilation duct 104 by the fan 5 inside the connecting pipe. The upper clamping block 501 houses the connecting pipe, which passes through the ventilation duct 104, with the fan 5 placed inside, clearly defining the installation position of the fan 5. The connecting pipe provides support and protection for the fan 5 and aligns the fan 5 with the internal airflow channel of the ventilation duct 104, ensuring smooth airflow through the ventilation duct 104. The lower clamping block 502 has a telescopic support seat 503 at its bottom, allowing adjustment of the height of the ventilation duct 104. During installation, the height of the telescopic support seat 503 is adjusted according to the position of the separation box 101 to ensure proper alignment between the ventilation duct 104 and the separation box 101.

[0036] The ventilation duct 104 has a slot and groove 601 near the separation box 101, and the top of the collection box 105 is embedded in the slot and groove 601 for detachable installation. When the collection box 105 is full, it can be directly removed from the slot and groove 601 for cleaning or replacement without disassembling other parts, making operation convenient and ensuring the continuity of the impurity removal process. A barrier net 602 is installed at the top of the collection box 105, which penetrates into the ventilation duct 104 to form a physical barrier. The fan 5 generates airflow carrying light impurities into the ventilation duct 104. The barrier net 602 blocks the impurities from passing through, causing them to remain in the collection box 105. After purification, the airflow continues to discharge, completing the air separation and impurity removal process. Simultaneously, it prevents dust from entering the fan 5, thereby increasing the service life of the fan 5.

[0037] like Figures 2 to 3As shown, the controller 6 is equipped with a control button 701 and an emergency stop button 702, and the controller 6 is electrically connected to the drive motor 3, the transmission motor 4, and the fan 5. The control button 701 starts, stops, and adjusts the speed of the drive motor 3, the transmission motor 4, and the fan 5, providing centralized control of the crushing, screening, and impurity removal processes. The emergency stop button 702 can instantly cut off the power to the drive motor 3, the transmission motor 4, and the fan 5 in case of equipment malfunction or emergency, immediately stopping the equipment, preventing further damage, ensuring equipment and personnel safety, and reducing raw material waste and product loss caused by equipment malfunction.

[0038] like Figures 1 to 3 As shown, an installation groove is also provided inside the discharge port, and a baffle plate 801 passes through the installation groove. The installation groove at the discharge port and the baffle plate 801 passing through it allow adjustment of the opening degree of the discharge port by sliding the baffle plate 801 along the installation groove. When material needs to be discharged, sliding the baffle plate 801 opens the discharge port, allowing the material to be discharged through it; when discharge is not needed or needs to be paused, sliding the baffle plate 801 closes the discharge port, preventing material from flowing out. The material discharge rhythm can be flexibly controlled according to production needs, preventing material from being discharged too quickly and causing subsequent processes to be unable to handle it in time. It can also be used to close the discharge port during equipment maintenance and cleaning of the separation box 101 to prevent material spillage. Simultaneously, the baffle plate 801 blocks the discharge port, reducing the entry of external debris into the separation box 101.

[0039] The above description is merely an embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A raw material crushing device for PC plastic granule processing, comprising a mounting frame (1) and a crusher (2), characterized in that: The crusher (2) is connected to the top of the mounting frame (1). The mounting frame (1) is also equipped with a drive motor (3), and the shaft end of the drive motor (3) is connected to the crusher (2). The bottom of the mounting frame (1) is also equipped with a separation box (101) corresponding to the crusher (2), and the separation box (101) is provided with a discharge port. Multiple sets of mounting parts (102) are provided on the two opposite inner sides of the separation box (101). Each set of mounting parts (102) can be movably provided with a screen (103), and the multiple sets of screens (103) are connected by connectors. A drive motor (4) is also provided on one side of the separation box (101), and one set of screens (103) passes through the separation box (101) and is connected to the drive motor (4). A ventilation pipe (104) is also provided on one side of the separation box (101) adjacent to the drive motor (4). A fan (5) is also provided at the top of the ventilation pipe (104). An installation slot is also provided at the bottom of the ventilation pipe (104). A collection box (105) is detachably provided in the installation slot. A controller (6) is also provided on the mounting frame (1).

2. The raw material crushing device for PC plastic granule processing according to claim 1, characterized in that: The top of the crusher (2) is provided with an installation part, and a feed hopper (201) is replaceably provided in the installation part, and the feed hopper (201) is connected to the installation part by screws.

3. The raw material crushing device for PC plastic granule processing according to claim 1, characterized in that: Each pair of adjacent mounting components (102) is provided with a mounting guide rail (301) on one side. The screen (103) is also provided with sliders (302) on both sides corresponding to the mounting guide rail (301). The screen (103) is slidably disposed in the mounting guide rail (301) by means of the sliders (302).

4. The raw material crushing device for PC plastic granule processing according to claim 3, characterized in that: One side of one set of the screens (103) is connected to one end of the movable part (401). A positioning groove (402) is also provided through the inner side of the separation box (101). The movable part (401) is arranged in the positioning groove (402) and can move up and down. An eccentric wheel (403) is also provided at the shaft end of the transmission motor (4). The other end of the movable part (401) is connected to the eccentric wheel (403) through a transmission rod.

5. The raw material crushing device for PC plastic granule processing according to claim 1, characterized in that: The ventilation pipe (104) is also provided with an upper clamping block (501) and a lower clamping block (502) at both ends, and the upper clamping block (501) and the lower clamping block (502) are detachably connected; a connecting pipe is provided on the upper clamping block (501), the connecting pipe passes through the ventilation pipe (104), and the fan (5) is provided in the connecting pipe; a telescopic support seat (503) is also provided at the bottom of the lower clamping block (502).

6. The raw material crushing device for PC plastic granule processing according to claim 5, characterized in that: The ventilation pipe (104) is provided with a card and slot (601) on the side near the separation box (101). The top of the collection box (105) is detachably installed in the card and slot (601), and the top of the collection box (105) is also provided with a barrier net (602), which is inserted into the ventilation pipe (104).

7. The raw material crushing device for PC plastic granule processing according to claim 1, characterized in that: The controller (6) is equipped with a control button (701) and an emergency stop button (702), and the controller (6) is electrically connected to the drive motor (3), the transmission motor (4), and the fan (5).

8. The raw material crushing device for PC plastic granule processing according to claim 1, characterized in that: The discharge port is also provided with an installation groove, and a baffle plate (801) is installed in the installation groove.

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