Plastic particle screening device

Abstract

The utility model discloses a plastic particle screening device, comprising a bracket, a mounting frame, a screening mechanism and a feeding plate, wherein the mounting frame is fixedly connected to the bracket; the screening mechanism is mounted on the top of the bracket, and the screening mechanism comprises a screen, a shielding assembly, a driving assembly and a transmission assembly, wherein the screen is slidably connected to the inside of the bracket, and the shielding assembly is mounted on the top of the screen; the driving assembly is mounted in the middle of the mounting frame, and the driving assembly is transmission-connected to the screen, the transmission assembly is mounted on the inner top of the mounting frame, and the transmission assembly is transmission-connected to the driving assembly; the feeding plate is mounted on the bottom of the screen, and one end of the feeding plate slides through one end of the bracket. Thus, the problem of unsmooth feeding caused by particles accumulating on the screening net is avoided, thereby improving the efficiency of screening particles.

Description

Technical Field

[0001] The utility model relates to the technical field of screening devices, in particular to a plastic particle screening device. Background Art

[0002] PP is the abbreviation of polypropylene, which is a thermoplastic synthetic resin with excellent performance. Modified PP particles refer to granular materials that have been chemically or physically modified to improve the performance of polypropylene or give it special functions. It is one of the important raw materials for making plastic products and can be used in the production of various plastic products, such as plastic barrels, plastic boxes, plastic bottles, etc. It can also be used in the production of packaging materials, such as plastic bags, plastic wrap, foam boxes, etc.

[0003] In the patent document with the Chinese authorization announcement number (CN216225324U), a screening device for the production of modified PP particles is disclosed, including a box body, a feed hopper is fixedly installed on the top of the box body, and legs are fixedly installed at the four corners of the bottom of the box body. A plurality of staggered first guide grooves and second guide grooves are fixedly installed in the box body from top to bottom, and a third guide groove is fixedly installed at the bottom of the box body. In the utility model, a plurality of staggered stirring rods and a plurality of combing teeth are arranged inside the feed hopper. When the driving motor is working, the driving wheel rotates through the conveyor belt to drive the driven wheel to rotate, and then the plurality of stirring rods and the plurality of combing teeth rotate, so as to achieve the effect of stirring and rubbing the modified PP particles in the feed hopper, and avoid the phenomenon of agglomeration or connection between the modified PP particles. The stirring rods and the combing teeth are made of metal materials with good heat transfer, so as to timely dissipate the heat of the modified PP particles and the heat generated by the friction between them.

[0004] However, although the above device performs well in preventing the modified PP particles from agglomerating or connecting, when a large number of particles fall on the screening net, it often causes accumulation, thereby hindering the smooth falling of the particles, which undoubtedly reduces the efficiency of screening the particles. Utility Model Content

[0005] The utility model aims to solve one of the technical problems in the related art at least to a certain extent.

[0006] To this end, one purpose of the utility model is to provide a plastic particle screening device to avoid the problem of unsmooth material discharge caused by particles accumulating on the screening net, thereby improving the efficiency of screening particles.

[0007] To achieve the above-mentioned purpose, the utility model proposes a plastic particle screening device, comprising a bracket, a mounting frame, a screening mechanism and a discharge plate, wherein the mounting frame is fixedly connected to the bracket; the screening mechanism is installed at the top of the bracket, and the screening mechanism comprises a screen, a shielding assembly, a driving assembly and a transmission assembly, wherein the screen is slidably connected to the inside of the bracket, and the shielding assembly is installed on the top of the screen; the driving assembly is installed in the middle of the mounting frame, and the driving assembly is transmission-connected to the screen, the transmission assembly is installed on the inner top of the mounting frame, and the transmission assembly is transmission-connected to the driving assembly; the discharge plate is installed at the bottom of the screen, and one end of the discharge plate slides through one end of the bracket.

[0008] The plastic particle screening device of the utility model, when the transmission component drives the driving component, causes the screen to shake, thereby screening the modified PP particles accumulated inside the screen, avoiding the problem of unsmooth material discharge caused by the accumulation of particles on the screening net, thereby improving the efficiency of particle screening.

[0009] In addition, the plastic particle screening device proposed in the application may also have the following additional technical features:

[0010] Specifically, the shielding assembly includes a support frame, a winding wheel and a shielding cloth, wherein the support frame is fixedly connected to the screen, the winding wheel is rotatably installed on the top of the support frame, the shielding cloth is rolled up in the middle of the winding wheel, and a clamping rod for clamping the shielding cloth is fixedly connected to the top of the other end of the screen.

[0011] Specifically, the driving assembly includes an engaging plate, an engaging wheel and a fixed plate, wherein the engaging plate is fixedly connected to the top of the screen, the fixed plate is fixedly connected to the mounting frame, the middle part of the engaging wheel is rotatably connected to the fixed plate, the top end of the engaging wheel is rotatably connected to the transmission assembly, and the engaging wheel is meshed with the engaging plate.

[0012] Specifically, the transmission assembly includes a transmission motor, a transmission roller and a pulley, wherein the transmission motor is installed on the top of one side of the mounting frame, the transmission roller is rotatably installed inside the mounting frame, the output end of the transmission motor passes through the mounting frame and is fixedly connected to the transmission roller; the pulley is rotatably connected to the meshing wheel, and a transmission groove for the pulley to slide is opened on the outer side of the transmission roller.

[0013] Specifically, sliding plates are fixedly connected to both sides of the screen, and a sliding groove for the sliding plates to slide is provided inside the bracket.

[0014] Additional aspects and advantages of the present invention will be given in part in the following description and in part will become apparent from the following description or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the following description of the embodiments in conjunction with the accompanying drawings, in which:

[0016] Figure 1 This is a schematic diagram of the structure of a plastic particle screening device according to an embodiment of the utility model;

[0017] Figure 2 This is a structural schematic diagram of a plastic particle screening device according to another embodiment of the utility model;

[0018] Figure 3 For this utility model Figure 2 Enlarged structural diagram at A in the middle.

[0019] As shown in the figure: 1. bracket; 2. mounting frame; 3. screening mechanism; 31. screen; 32. shielding assembly; 321. supporting frame; 322. winding wheel; 323. shielding cloth; 33. driving assembly; 331. meshing plate; 332. meshing wheel; 333. fixing plate; 34. transmission assembly; 341. transmission motor; 342. transmission roller; 343. transmission groove; 344. pulley; 4. unloading plate. DETAILED DESCRIPTION

[0020] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limitations on the present invention. On the contrary, the embodiments of the present invention include all changes, modifications, and equivalents that fall within the spirit and connotation of the appended claims.

[0021] The plastic particle screening device according to the embodiment of the utility model is described below with reference to the accompanying drawings.

[0022] The plastic particle screening device provided in the embodiment of the utility model can be used for screening modified PP particles, avoiding the problem of unsmooth material feeding caused by the accumulation of particles on the screening net, thereby improving the efficiency of screening particles.

[0023] like Figure 1-Figure 3 As shown, the plastic particle screening device of the embodiment of the utility model may include a bracket 1, a mounting frame 2, a screening mechanism 3 and a discharge plate 4.

[0024] It should be noted that the bracket 1 described in the above embodiment is a hollow structure.

[0025] The mounting frame 2 is fixedly connected to the bracket 1 .

[0026] It should be noted that the mounting bracket 2 described in the above embodiment is mounted on the rear surface of the bracket 1 .

[0027] The screening mechanism 3 is installed on the top of the bracket 1 , and the screening mechanism 3 may include a screen 31 , a shielding assembly 32 , a driving assembly 33 and a transmission assembly 34 .

[0028] The screen 31 is slidably connected to the inside of the bracket 1 , and the shielding component 32 is installed on the top of the screen 31 .

[0029] It should be noted that the sieve 31 with a corresponding aperture can be selected according to the required size of the modified PP particles.

[0030] The driving assembly 33 is installed in the middle of the mounting frame 2 , and the driving assembly 33 is transmission-connected to the screen 31 . The transmission assembly 34 is installed on the inner top of the mounting frame 2 , and the transmission assembly 34 is transmission-connected to the driving assembly 33 .

[0031] Specifically, under the driving of the driving assembly 33 by the transmission assembly 34 , the screen 31 is swung in the bracket 1 , thereby achieving the effect of screening the modified PP particles stacked in the screen 31 .

[0032] The blanking plate 4 is installed at the bottom of the screen 31 , and one end of the blanking plate 4 is slidably passed through one end of the bracket 1 .

[0033] It should be noted that the blanking plate 4 described in the above embodiment is arranged in an inclined shape.

[0034] As a possible situation, a storage container can be placed at one end of the blanking plate 4 to store the screened particles.

[0035] Specifically, in the actual operation process, when the relevant personnel screen the modified PP particles, they pour the PP particles into the screen 31, and under the action of the shielding component 32, the top of the screen 31 is shielded to prevent the particles from splashing out of the screen 31 during the shaking process. Then, the driving component 33 is driven under the action of the transmission component 34, and the screen 31 is shaken left and right in the bracket 1 through the driving component 33. The screened particles fall into the discharge plate 4 and are discharged into the storage container through the discharge plate 4, thereby avoiding the problem of unsmooth discharge caused by the accumulation of particles on the screening net, thereby improving the efficiency of screening the particles.

[0036] In one embodiment of the present invention, Figure 1-Figure 2As shown, the shielding assembly 32 may include a support frame 321 , a winding wheel 322 and a shielding cloth 323 .

[0037] It should be noted that a through hole is formed at one end of the shielding cloth 323 described in the above embodiment.

[0038] Among them, the support frame 321 is fixedly connected to the screen 31, the winding wheel 322 is rotatably installed on the top of the support frame 321, the shielding cloth 323 is rolled up in the middle of the winding wheel 322, and the top of the other end of the screen 31 is fixedly connected with a clamping rod for clamping the shielding cloth 323.

[0039] It can be understood that, with the support of the support frame 321, the installation of the winding wheel 322 is completed, and the shielding cloth 323 is rolled up under the action of the winding wheel 322. When shielding the screen 31, the shielding cloth 323 is pulled and connected to the card rod to complete the shielding of the top of the screen 31.

[0040] In one embodiment of the present invention, Figure 1-Figure 2 As shown, the driving assembly 33 may include an engaging plate 331 , an engaging wheel 332 and a fixing plate 333 .

[0041] It should be noted that the bottom of the meshing wheel 332 described in the above embodiment is arranged in an arc-shaped structure.

[0042] Among them, the meshing plate 331 is fixedly connected to the top of the screen 31, the fixed plate 333 is fixedly connected to the mounting frame 2, the middle part of the meshing wheel 332 is rotatably connected to the fixed plate 333, the top end of the meshing wheel 332 is rotatably connected to the transmission assembly 34, and the meshing wheel 332 is meshed with the meshing plate 331.

[0043] Specifically, the meshing wheel 332 is installed in the mounting frame 2 under the action of the fixing plate 333 , and meshes with the meshing plate 331 under the swing of the meshing wheel 332 , thereby completing the driving of the screen 31 .

[0044] In one embodiment of the present invention, Figure 1-Figure 2 As shown, the transmission assembly 34 may include a transmission motor 341 , a transmission roller 342 and a pulley 344 .

[0045] The transmission motor 341 is installed on the top of one side of the mounting frame 2 , the transmission roller 342 is rotatably installed inside the mounting frame 2 , and the output end of the transmission motor 341 passes through the mounting frame 2 and is fixedly connected to the transmission roller 342 .

[0046] It should be noted that, driven by the transmission motor 341 , the transmission roller 342 rotates inside the mounting frame 2 .

[0047] The pulley 344 is rotatably connected to the meshing wheel 332 , and a transmission groove 343 for the pulley 344 to slide is formed on the outer side of the transmission roller 342 .

[0048] Specifically, when the transmission roller 342 rotates, the pulley 344 drives the meshing wheel 332 to slide in the transmission groove 343 , thereby achieving the effect of driving the meshing wheel 332 .

[0049] In one embodiment of the present invention, Figure 1-Figure 2 As shown, sliding plates are fixedly connected to both sides of the screen 31, and a sliding groove for the sliding plate to slide is provided inside the bracket 1.

[0050] As a possible situation, balls may be installed on opposite sides of the two sets of sliding plates to reduce the friction between the sliding plates and the sliding grooves.

[0051] It can be understood that, under the action of the sliding plate, the swinging of the screen 31 in the bracket 1 is limited.

[0052] In summary, in the plastic particle screening device of the embodiment of the utility model, when the transmission component drives the driving component, the screen shakes, thereby screening the modified PP particles accumulated inside the screen, avoiding the problem of unsmooth material feeding caused by the accumulation of particles on the screening net, thereby improving the efficiency of screening the particles.

[0053] In the description of this specification, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0054] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine different embodiments or examples and features of different embodiments or examples described in this specification without contradiction.

[0055] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in this field can change, modify, replace and deform the above embodiments within the scope of the present invention.

Claims

1. A plastic particle screening device, characterized in that: It includes a bracket, a mounting frame, a screening mechanism and a blanking plate, wherein: The mounting frame is fixedly connected to the bracket; The screening mechanism is installed on the top of the bracket, and the screening mechanism includes a screen, a shielding component, a driving component and a transmission component, wherein: The screen is slidably connected to the inside of the bracket, and the shielding assembly is installed on the top of the screen; The driving assembly is installed in the middle of the mounting frame, and the driving assembly is connected to the screen by transmission, and the transmission assembly is installed on the inner top of the mounting frame, and the transmission assembly is connected to the driving assembly by transmission; The blanking plate is installed at the bottom of the screen, and one end of the blanking plate is slidably passed through one end of the bracket.

2. The plastic particle screening device according to claim 1, characterized in that: The shielding assembly includes a support frame, a reel and a shielding cloth, wherein: The support frame is fixedly connected to the screen, the winding wheel is rotatably installed on the top of the support frame, the shielding cloth is wound up in the middle of the winding wheel, and a clamping rod for clamping the shielding cloth is fixedly connected to the top of the other end of the screen.

3. The plastic particle screening device according to claim 1, characterized in that: The driving assembly includes a meshing plate, a meshing wheel and a fixing plate, wherein: The meshing plate is fixedly connected to the top of the screen, the fixed plate is fixedly connected to the mounting frame, the middle part of the meshing wheel is rotatably connected to the fixed plate, the top end of the meshing wheel is rotatably connected to the transmission assembly, and the meshing wheel is meshed with the meshing plate.

4. The plastic particle screening device according to claim 3, characterized in that: The transmission assembly includes a transmission motor, a transmission roller and a pulley, wherein: The transmission motor is installed on the top of one side of the mounting frame, the transmission roller is rotatably installed inside the mounting frame, and the output end of the transmission motor passes through the mounting frame and is fixedly connected to the transmission roller; The pulley is rotatably connected to the meshing wheel, and a transmission groove for sliding of the pulley is provided on the outer side of the transmission roller.

5. The plastic particle screening device according to claim 1, characterized in that: Sliding plates are fixedly connected to both sides of the screen, and a sliding groove for the sliding plates to slide is provided inside the bracket.

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