A raw material screening device for plastic product production

Abstract

The utility model relates to the technical field of plastic screening, specifically a raw material screening equipment for the production of plastic products, including: a bottom box, a screen box is provided just above the bottom box, a screen is provided in the middle of the bottom of the screen box, a box door is hinged below one end of the screen box, the box door is connected to the screen box through a fixing mechanism, and both sides of the bottom box are provided with a discharging mechanism that can tilt the screen box, and the tops of both sides of the discharging mechanism are both installed with side panels, and the side panels are provided with a vibration mechanism. The utility model uses the discharging mechanism, when it is necessary to take out the large-particle raw materials in the screening, the electric cylinders on both sides extend at the same time, so that the two rotating plates rotate upward with the rotating shaft as the center of the circle, so that the screen box is located at one end of the box door. The box door is opened at this time, and the large-particle plastic can be automatically discharged. Compared with the comparative documents, it is still necessary to use hands or tools. The present application is more convenient for discharging large-particle plastics and improves the efficiency of discharging.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic screening, in particular to a raw material screening device for producing plastic products. Background Art

[0002] Plastic granules are prepared by mixing plastic raw materials and various masterbatches, melting them, and then extruding them through an extruder. The prepared plastic granules need to be screened to remove the granules that do not meet the particle size requirements.

[0003] Publication number: CN218857417 U relates to the field of plastic processing technology, especially a plastic particle screening machine, wherein a guide mechanism is fixedly connected to a support frame, a screening mechanism is slidably connected to the guide mechanism, and a horizontal driving mechanism is connected to the support frame for driving the screening mechanism to reciprocate in the horizontal direction; the screening mechanism comprises an open frame, a fixed pipe, a screen, a discharge port and a sealing plate, the fixed pipe is fixedly connected to the bottom end of the open frame, the fixed pipe is slidably connected to the guide mechanism, the screen is connected to the bottom end of the open frame, the discharge port is opened on the open frame, the sealing plate is detachably connected to the discharge port, and the open frame is fixedly connected to the horizontal driving mechanism. The utility model connects the discharge port detachably through the sealing plate, and after the screening is completed, the sealing plate is pulled, the sealing plate is separated from the discharge port, the discharge port is opened, and the plastic particles remaining in the open frame are collected through the discharge port, so as to facilitate the collection of the plastic particles in the open frame.

[0004] The applicant found that there are some shortcomings in use: although the patent uses a removable sealing plate structure, which makes it easy for workers to take out large-particle raw materials in the open rack from the discharge port, the open rack cannot be tilted, and the workers need to use their hands or tools to take the raw materials out of the open rack for collection, which is not convenient enough.

[0005] Therefore, the utility model designs a raw material screening device for plastic product production to solve the problems existing in the prior art. Utility Model Content

[0006] The purpose of the utility model is to provide a raw material screening device for plastic product production to solve the problems raised in the above background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a raw material screening equipment for the production of plastic products, comprising: a bottom box, a screen box is provided just above the bottom box, a screen is provided in the middle of the bottom of the screen box, a box door is hinged below one end of the screen box, the box door is connected to the screen box through a fixing mechanism, discharging mechanisms that can tilt the screen box are provided on both sides of the bottom box, side panels are installed on the top of both sides of the discharging mechanism, a vibration mechanism is provided on the side panels, the screen is used to filter plastic particles, small particles directly pass through the screen and fall into the bottom box, large particles remain on the screen, and the screening of plastic particles is completed.

[0008] Preferably, the fixing mechanism includes a threaded hole, which is provided on one side of the screen box and located at one end of the box door, and a bolt is installed in the threaded hole by threaded rotation, and a plug hole connected to the bolt is provided on one side of the box door. By fixing with bolts, the stability of the screen can be improved, and the box door can be prevented from being unstable when the screen box moves left and right.

[0009] Preferably, the discharging mechanism includes two rotating shafts, which are rotatably installed on the side walls of both sides of the bottom box respectively, and the side of the rotating shaft away from the bottom box is connected to the side wall of one end of the rotating plate, and the two side plates are respectively installed on the top of the two rotating plates, and the bottom of the other end of the rotating plate is hinged to the output end of the electric cylinder, and the electric cylinder is hinged to the bottom box and installed on the outer side wall of the bottom box. The electric cylinder is extended to tilt the rotating plate and the screen box, so that the plastic particles automatically flow downward out of the screen box, which is more convenient and quick, and improves the unloading speed of the plastic particles.

[0010] Preferably, the vibration mechanism includes two guide rods, and the two guide rods are respectively fixedly mounted at both ends between the two side plates. Sliders are installed at both ends of the bottom of the screen box, and the two slides are respectively slidably mounted on the two guide rods. The side walls of the slides are connected to the inner walls of the two side plates by springs, and the spring sleeves are arranged on the outside of the guide rods. A cylinder is installed on one of the side plates. By making the screen slide left and right to generate vibration, the screening speed of the screen can be increased, thereby improving the screening efficiency.

[0011] Preferably, the output end of the cylinder is connected to a rubber head, which can reduce the noise generated during impact.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] 1. The utility model sets a discharging mechanism. When it is necessary to take out the large-particle raw materials in the screening, the electric cylinders on both sides extend at the same time, so that the two rotating plates rotate upward with the rotating shaft as the center, so that the end of the screen box located at the box door is tilted downward. At this time, the box door is opened to automatically discharge the large-particle plastic. Compared with the comparative documents, which still need to be done by hand or with the help of tools, the present application is more convenient for discharging large-particle plastics, and the efficiency of discharging is improved;

[0014] 2. The utility model uses the setting of a vibration mechanism and a fixing mechanism. The cylinder drives the rubber sleeve to reciprocate and hit the side wall of the screen, so that the slider slides on the guide rod and squeezes the spring. The screen moves left and right through the spring restoring force to improve the screening efficiency of the screen. Since the screen vibrates left and right, the box door can be stably fixed on the screen box through the fixing mechanism, thereby improving the stability of the box door. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the front cross-sectional view of the utility model;

[0016] Figure 2 It is a side cross-sectional schematic diagram of the utility model.

[0017] In the figure: 1, bottom box; 2, screen box; 3, screen; 4, box door; 5, fixing mechanism; 6, discharging mechanism; 7, side plate; 8, vibration mechanism; 501, threaded hole; 502, bolt; 503, socket; 601, rotating shaft; 602, rotating plate; 603, electric cylinder; 801, guide rod; 802, slider; 803, spring; 804, cylinder; 805, rubber head. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-2The utility model provides an embodiment: a raw material screening equipment for plastic product production, comprising: a bottom box 1, a screen box 2 is provided just above the bottom box 1, a screen 3 is provided in the middle of the bottom of the screen box 2, a box door 4 is hinged below one end of the screen box 2, the box door 4 is connected to the screen box 2 through a fixing mechanism 5, and discharging mechanisms 6 that can tilt the screen box 2 are provided on both sides of the bottom box 1, and side panels 7 are installed on the top of both sides of the discharging mechanism 6, and a vibration mechanism 8 is provided on the side panel 7. A controller is provided on the outer side wall of the bottom box 1, and it is linearly connected to the electrical components for easy control by the staff. One end of the screen box 2 is designed to be open, and the top of the screen box 2 and the top of the bottom box 1 are both opened.

[0020] See also Figure 1-2 In this embodiment: the fixing mechanism 5 includes a threaded hole 501, the threaded hole 501 is opened on one side of the screen box 2 and located at one end of the box door 4, and a bolt 502 is installed in the threaded hole 501 by threaded rotation, and a socket 503 connected to the bolt 502 is opened on one side of the box door 4. The bolt fixing method can improve the stability of the box door 4 and avoid the instability of the box door when the screen box moves left and right and generates vibration.

[0021] See also Figure 1-2 In this embodiment: grooves can be provided on the inner walls on both sides of one end of the screen box 2, and the two sides of the box door 4 slide in the grooves. A threaded hole connected to the groove is provided on one side of the screen box 2, and a bolt is installed in the threaded hole by rotating the thread. A socket is provided on one side of the box door 4, and the socket is connected with the bolt through it. The box door can also be opened by sliding up and down.

[0022] See also Figure 1-2 In this embodiment: the discharging mechanism 6 includes two rotating shafts 601, and the two rotating shafts 601 are rotatably installed on the side walls of the bottom box 1 respectively. The side of the rotating shaft 601 away from the bottom box 1 is connected to the side wall of one end of the rotating plate 602, and the two side plates 7 are respectively installed on the top of the two rotating plates 602. The bottom of the other end of the rotating plate 602 is hinged to the output end of the electric cylinder 603, and the electric cylinder 603 is hinged to the bottom box 1 and installed on the outer side wall of the bottom box 1.

[0023] See also Figure 1-2 In this embodiment: the vibration mechanism 8 includes two guide rods 801, and the two guide rods 801 are fixedly installed at both ends between the two side plates 7. Slide blocks 802 are installed at both ends of the bottom of the screen box 2. The two slide blocks 802 are slidably installed with the two guide rods 801 respectively. The side walls of the slide blocks 802 are connected to the inner walls of the two side plates 7 through springs 803. The springs 803 are sleeved on the outside of the guide rods 801. A cylinder 804 is installed on one side plate 7. The slide blocks 802 are located at both ends of the screen 3, so they will not block the discharge of small plastic particles.

[0024] See also Figure 1-2In this embodiment: the output end of the cylinder 804 is connected to a rubber head 805, and the rubber head can be connected to the output end of the cylinder 804 by gluing.

[0025] Working principle: Pour plastic particles into the screen box 2, and the cylinder 804 drives the rubber head 805 to intermittently hit the screen box 2, so that the screen box 2 drives the slider 802 to slide left and right on the guide rod 801, squeezing the spring 803. Through the restoring force of the spring 803, the screen box 2 vibrates left and right to increase the screening speed of the screen 3, and the small particles of plastic pass through the screen 3 and enter the bottom box 1 for collection, and the large particles remain in the screen box 2 for collection. When it is necessary to take out the large particles of plastic in the screen box 2, first turn the bolt 502 to make the bolt 502 leave the socket 503, and then open the box door 4, and then the electric cylinder 603 extends out, driving the rotating plate 602 to tilt, so that the end of the screen box 2 located at the box door 4 tilts downward, and the plastic in the screen box 2 can be automatically unloaded, which improves the convenience of unloading. The content not described in detail in this description belongs to the existing technology known to professional and technical personnel in this field.

[0026] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A raw material screening device for plastic product production, comprising: A bottom box (1), characterized in that: a screen box (2) is provided directly above the bottom box (1), a screen (3) is provided in the middle of the bottom of the screen box (2), a box door (4) is hinged below one end of the screen box (2), the box door (4) is connected to the screen box (2) through a fixing mechanism (5), and discharge mechanisms (6) are provided on both sides of the bottom box (1) for tilting the screen box (2), and side panels (7) are installed on the tops of both sides of the discharge mechanism (6), and a vibration mechanism (8) is provided on the side panels (7).

2. A raw material screening device for plastic product production according to claim 1, characterized in that: The fixing mechanism (5) comprises a threaded hole (501), the threaded hole (501) being provided on one side of the screen box (2) and located at one end of the box door (4), and a bolt (502) being installed in the threaded hole (501) by means of threaded rotation, and a socket (503) penetrating and connected to the bolt (502) is provided on one side of the box door (4).

3. The raw material screening equipment for plastic product production according to claim 1, characterized in that: The discharging mechanism (6) comprises two rotating shafts (601), the two rotating shafts (601) are rotatably mounted on the side walls of the bottom box (1) respectively, the side of the rotating shaft (601) away from the bottom box (1) is connected to the side wall of one end of the rotating plate (602), the two side plates (7) are respectively mounted on the top of the two rotating plates (602), the bottom of the other end of the rotating plate (602) is hinged to the output end of the electric cylinder (603), and the electric cylinder (603) is hinged to the bottom box (1) and mounted on the outer side wall of the bottom box (1).

4. The raw material screening equipment for plastic product production according to claim 1, characterized in that: The vibration mechanism (8) comprises two guide rods (801), the two guide rods (801) are respectively fixedly mounted at the two ends between the two side plates (7), the two ends of the bottom of the screen box (2) are both mounted with sliders (802), the two sliders (802) are respectively slidably mounted with the two guide rods (801), the side walls of the sliders (802) are connected to the inner walls of the two side plates (7) via springs (803), the springs (803) are sleeved on the outer sides of the guide rods (801), and a cylinder (804) is mounted on one of the side plates (7).

5. The raw material screening equipment for plastic product production according to claim 4, characterized in that: The output end of the cylinder (804) is connected to a rubber head (805).

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