A screening apparatus for plastic particles

Abstract

The utility model discloses a kind of screening equipment for plastic particle processing, including screening machine, the front side of screening machine is equipped with guide plate, the front side of screening machine is provided with height adjusting mechanism, height adjusting mechanism includes the discharge cylinder slidingly connected in the inner wall of guide plate, the surface of discharge cylinder is slidingly equipped with lifting cylinder, the front side of lifting cylinder is fixedly connected with toothed plate, the front side of toothed plate is engaged with gear, the front side of screening machine is provided with control mechanism. Control mechanism includes the round bar of fixedly connected in the inner wall of gear, the left and right ends of round bar are movably connected with support frame by bearing. The utility model uses, under the action of height adjusting mechanism and control mechanism and its limiting mechanism, the discharge height of screening machine can be flexibly adjusted, the adaptability caused by the discharge height of plastic particle processing screening machine unable to adjust is avoided, so that it has the advantage of convenient to use.

Description

Technical Field

[0001] This utility model relates to the field of plastic particle processing technology, specifically to a screening device for plastic particle processing. Background Technology

[0002] Screening equipment for plastic particle processing mainly uses screens with different aperture sizes to classify and screen plastic particles according to their particle size, removing oversized, undersized, or irregularly shaped particles to ensure that the particle size of the product is uniform, thereby improving the stability of subsequent processing (such as injection molding and extrusion) and the quality of the finished product, while reducing raw material waste.

[0003] For example, Chinese Patent Application No. 202323062939.4 discloses a plastic granule screening machine, including a working box with a groove inside the working box. A screen is installed in the groove, and a support plate is fixedly connected to the groove. The screen is slidably connected to the support plate. A vibration motor is installed at the lower end of the working box, and a top cover plate is hinged to the upper end of the working box. A discharge plate is fixedly connected to one end of the working box. A cleaning component is installed in the groove, and a feed box is fixedly connected to the upper end of the working box. Support components are provided on both sides of the working box. This utility model provides a plastic granule screening machine to solve the problem of plastic granules clogging the screen.

[0004] In the use of screening machines for plastic particle processing, the screened plastic particles are usually directly conveyed to a basin or box through a fixed discharge cylinder. However, this fixed design cannot flexibly adjust the conveying height, making it unable to adapt to receiving devices of different heights, causing inconvenience in actual use.

[0005] Therefore, it is necessary to redesign and modify the screening equipment used for plastic particle processing to effectively prevent the phenomenon of unadjustable material conveying height. Utility Model Content

[0006] To address the problems mentioned in the background art, the purpose of this utility model is to provide a screening device for processing plastic particles, which has the advantages of being easy to use and solves the problem of non-adjustable material conveying height.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a screening device for processing plastic particles, comprising a screening machine, a guide plate installed on the front side of the screening machine, a height adjustment mechanism provided on the front side of the screening machine, the height adjustment mechanism comprising a discharge cylinder slidably connected to the inner wall of the guide plate, a lifting cylinder slidably sleeved on the surface of the discharge cylinder, a toothed plate fixedly connected to the front side of the lifting cylinder, a gear meshing on the front side of the toothed plate, and a control mechanism provided on the front side of the screening machine.

[0008] In a preferred embodiment of this invention, the control mechanism includes a round rod fixedly connected to the inner wall of the gear. The left and right ends of the round rod are movably connected to a support frame via bearings. The rear side of the support frame is fixedly connected to the front side of the guide plate. A worm gear is fixedly connected to the surface of the round rod. A worm is meshed with the front side of the worm gear. A support plate is movably connected to the surface of the worm via bearings. The rear side of the support plate is fixedly connected to the front side of the guide plate. A limit mechanism is provided on the front side of the screening machine.

[0009] As a preferred embodiment of this utility model, the limiting mechanism includes a limiting plate fixedly connected to the upper side of the discharge cylinder. The limiting plate is used to prevent the discharge cylinder from detaching from the interior of the guide plate. A retaining plate is fixedly connected to the rear side of the limiting plate. An insert block is slidably connected to the inner wall of the guide plate. A retaining groove is opened on the top of the insert block. A fixing frame is slidably connected to the surface of the insert block. The fixing frame is fixedly connected to the surface of the guide plate.

[0010] As a preferred embodiment of this invention, a knob is fixedly connected to the upper end of the worm gear, the knob being used for convenient hand gripping and rotation.

[0011] As a preferred embodiment of this utility model, a spring is fixedly connected to the inner wall of the fixing frame, and the other end of the spring is fixedly connected to the surface of the insert block.

[0012] As a preferred embodiment of this utility model, a pull plate is fixedly connected to the rear side of the limiting plate, and the pull plate is used to facilitate the upward pulling of the fingers.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0014] 1. When this utility model is used, under the action of the height adjustment mechanism, the control mechanism and the limiting mechanism, the discharge height of the screening machine can be flexibly adjusted, avoiding the poor adaptability caused by the inability to adjust the discharge height of the plastic particle processing screening machine, thus giving it the advantage of being easy to use.

[0015] 2. This utility model features a control mechanism that employs a worm gear transmission structure. The worm gear has self-locking properties, and after the discharge length is adjusted, it can automatically lock the gear position to prevent the gear from rotating due to external forces, thus ensuring the stability of the discharge length.

[0016] 3. This utility model, by setting a limiting mechanism, prevents the discharge cylinder from detaching from the guide plate, thus ensuring the stability of the discharge cylinder's movement; by utilizing the cooperation of the clamping plate, the insert block and the fixing frame, the discharge cylinder can be quickly and effectively limited and fixed after being adjusted to the appropriate position, preventing accidental movement of the discharge cylinder during operation and improving the safety and reliability of the equipment.

[0017] 4. By setting a knob, this utility model makes it convenient for operators to hold and rotate the worm gear, making the length adjustment operation more convenient and labor-saving, and improving the operating comfort and work efficiency of the equipment.

[0018] 5. By incorporating a spring, the spring force enables the insert block to be inserted more stably into the slot, enhancing the limiting effect and further ensuring the reliability of the limiting mechanism.

[0019] 6. By setting up a pull plate, this utility model provides a convenient operating position for operators. Operators can easily separate the card plate from the insert block by pulling the pull plate upward with their fingers, which simplifies the operation process and improves the ease of operation of the equipment. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the structure of this utility model;

[0021] Figure 2 This is a front view schematic diagram of the structure of this utility model;

[0022] Figure 3 This is a front sectional view of the structure of this utility model;

[0023] Figure 4 This utility model Figure 2 Enlarged view of point A in the middle.

[0024] In the diagram: 1. Screening machine; 2. Guide plate; 3. Discharge cylinder; 4. Lifting cylinder; 5. Toothed plate; 6. Gear; 7. Round rod; 8. Support frame; 9. Worm gear; 10. Worm; 11. Support plate; 12. Limiting plate; 13. Card plate; 14. Insert block; 15. Card slot; 16. Fixing frame; 17. Knob; 18. Spring; 19. Pull plate. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] like Figures 1 to 4As shown, the present invention provides a screening device for processing plastic particles, including a screening machine 1, a guide plate 2 installed on the front side of the screening machine 1, a height adjustment mechanism provided on the front side of the screening machine 1, the height adjustment mechanism including a discharge cylinder 3 slidably connected to the inner wall of the guide plate 2, a lifting cylinder 4 slidably sleeved on the surface of the discharge cylinder 3, a toothed plate 5 fixedly connected to the front side of the lifting cylinder 4, a gear 6 meshing on the front side of the toothed plate 5, and a control mechanism provided on the front side of the screening machine 1.

[0027] refer to Figure 3 The control mechanism includes a round rod 7 fixedly connected to the inner wall of the gear 6. The left and right ends of the round rod 7 are movably connected to the support frame 8 through bearings. The rear side of the support frame 8 is fixedly connected to the front side of the guide plate 2. A worm gear 9 is fixedly connected to the surface of the round rod 7. A worm 10 is meshed on the front side of the worm gear 9. A support plate 11 is movably connected to the surface of the worm 10 through bearings. The rear side of the support plate 11 is fixedly connected to the front side of the guide plate 2. A limit mechanism is provided on the front side of the screening machine 1.

[0028] As a technical optimization of this utility model, a control mechanism is set up, which adopts a worm gear 9 and worm 10 transmission structure. The worm gear 9 and worm 10 have self-locking properties. After the discharge length is adjusted, the position of the gear 6 can be automatically locked to prevent the gear 6 from rotating due to external force and to ensure the stability of the discharge length.

[0029] refer to Figure 4 The limiting mechanism includes a limiting plate 12 fixedly connected to the upper side of the discharge cylinder 3. The limiting plate 12 is used to prevent the discharge cylinder 3 from detaching from the interior of the guide plate 2. A clamping plate 13 is fixedly connected to the rear side of the limiting plate 12. An insert block 14 is slidably connected to the inner wall of the guide plate 2. A slot 15 is opened on the top of the insert block 14. A fixing frame 16 is slidably connected to the surface of the insert block 14. The fixing frame 16 is fixedly connected to the surface of the guide plate 2.

[0030] As a technical optimization of this utility model, by setting a limiting mechanism, the limiting plate 12 prevents the discharge cylinder 3 from detaching from the guide plate, thus ensuring the stability of the movement of the discharge cylinder 3; by utilizing the cooperation of the clamping plate 13, the insert block 14 and the fixing frame 16, the discharge cylinder 3 can be quickly and effectively limited and fixed after being adjusted to a suitable position, preventing the discharge cylinder 3 from moving unexpectedly during operation, and improving the safety and reliability of the equipment.

[0031] refer to Figure 2 A knob 17 is fixedly connected to the upper end of the worm gear 10. The knob 17 is used to make it easy to hold and rotate.

[0032] As a technical optimization of this utility model, by setting the knob 17, the operator can easily hold and rotate the worm gear 10, making the length adjustment operation more convenient and labor-saving, and improving the operating comfort and work efficiency of the equipment.

[0033] refer to Figure 4 A spring 18 is fixedly connected to the inner wall of the fixed frame 16, and the other end of the spring 18 is fixedly connected to the surface of the insert block 14.

[0034] As a technical optimization of this utility model, by setting a spring 18, the elastic force of the spring 18 can make the insert block 14 more stably inserted into the slot 15, thereby enhancing the limiting effect and further ensuring the reliability of the limiting mechanism.

[0035] refer to Figure 2 A pull plate 19 is fixedly connected to the rear side of the limiting plate 12. The pull plate 19 is used to facilitate the upward pulling of the fingers.

[0036] As a technical optimization of this utility model, by setting up a pull plate 19, a convenient operating part is provided for the operator. The operator can easily separate the card plate 13 from the insertion block 14 by pulling the pull plate 19 upward with his / her fingers, which simplifies the operation process and improves the ease of operation of the equipment.

[0037] The working principle and usage process of this utility model are as follows: In use, rotating the knob 17 drives the worm gear 10 to rotate, which in turn drives the worm wheel 9 to rotate. The worm wheel 9 drives the round rod 7 fixed on it to rotate, and the round rod 7 in turn drives the gear 6 to rotate. Since the gear 6 meshes with the toothed plate 5 fixed to the front of the lifting cylinder 4, the rotation of the gear 6 drives the toothed plate 5 to move up and down, thereby causing the lifting cylinder 4 to slide on the surface of the discharge cylinder 3, thus realizing the adjustment of the discharge length. When the receiving device needs to be replaced or other reasons prevent material discharge from being temporarily eliminated, the pulling plate 19 can be pulled upwards, causing it to move the discharge cylinder 3 upwards via the limiting plate 12. At this time, the insert block 14 is pulled outwards. After the clamping plate 13 moves upwards past the insert block 14, the insert block 14 is released. The elastic force of the spring 18 causes the insert block 14 to return to its original position. Then, the pulling plate 19 is released, and the limiting plate 12 falls naturally, causing the clamping plate 13 to fall into the clamping groove 15, thus fixing the position of the discharge cylinder 3. At this time, the discharge cylinder 3 blocks the material in the guide plate 2, preventing it from discharging temporarily. This avoids the poor adaptability caused by the inability to adjust the discharge height of plastic particle processing screening machines, giving it the advantage of ease of use.

[0038] In summary, when this utility model is used, under the action of the height adjustment mechanism, the control mechanism and the limiting mechanism, the discharge height of the screening machine can be flexibly adjusted, avoiding the poor adaptability caused by the inability to adjust the discharge height of plastic particle processing screening machines, thus giving it the advantage of being easy to use.

[0039] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0040] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A screening device for processing plastic particles, comprising a screening machine (1), wherein a guide plate (2) is mounted on the front side of the screening machine (1), and a height adjustment mechanism is provided on the front side of the screening machine (1), characterized in that: The height adjustment mechanism includes a discharge cylinder (3) that is slidably connected to the inner wall of the guide plate (2). A lifting cylinder (4) is slidably sleeved on the surface of the discharge cylinder (3). A toothed plate (5) is fixedly connected to the front side of the lifting cylinder (4). A gear (6) is meshed on the front side of the toothed plate (5). A control mechanism is provided on the front side of the screening machine (1).

2. A screening apparatus for plastic particle processing according to claim 1, characterized in that: The control mechanism includes a round rod (7) fixedly connected to the inner wall of the gear (6). The left and right ends of the round rod (7) are movably connected to a support frame (8) via bearings. The rear side of the support frame (8) is fixedly connected to the front side of the guide plate (2). A worm wheel (9) is fixedly connected to the surface of the round rod (7). A worm (10) meshes with the front side of the worm wheel (9). A support plate (11) is movably connected to the surface of the worm (10) via bearings. The rear side of the support plate (11) is fixedly connected to the front side of the guide plate (2). A limit mechanism is provided on the front side of the screening machine (1).

3. A screening apparatus for plastic particle processing according to claim 2, characterized in that: The limiting mechanism includes a limiting plate (12) fixedly connected to the upper side of the discharge cylinder (3). The limiting plate (12) is used to prevent the discharge cylinder (3) from detaching from the interior of the guide plate (2). A clamping plate (13) is fixedly connected to the rear side of the limiting plate (12). An insert (14) is slidably connected to the inner wall of the guide plate (2). A slot (15) is opened on the top of the insert (14). A fixing frame (16) is slidably connected to the surface of the insert (14). The fixing frame (16) is fixedly connected to the surface of the guide plate (2).

4. A screening apparatus for plastic particle processing according to claim 2, characterized in that: A knob (17) is fixedly connected to the upper end of the worm (10), and the knob (17) is used to facilitate hand gripping and rotation.

5. A screening apparatus for plastic particle processing according to claim 3, characterized in that: A spring (18) is fixedly connected to the inner wall of the fixed frame (16), and the other end of the spring (18) is fixedly connected to the surface of the insert (14).

6. A screening apparatus for plastic particle processing according to claim 3, characterized in that: A pull plate (19) is fixedly connected to the rear side of the limiting plate (12), and the pull plate (19) is used to facilitate the upward pulling of the fingers.

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