Plastic particle feeding mechanism for plastic protective film blowing device

By introducing vibration and crushing components into the plastic extruder, screening and crushing larger plastic particles, the problem of particle size affecting melting efficiency in the prior art is solved, and the melting quality of plastic particles is improved.

CN222309442UActive Publication Date: 2025-01-07GUANGDONG KANGQI PLASTIC TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202421002400.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-10
Publication Date
2025-01-07
Estimated Expiration
2034-05-10

AI Technical Summary

Technical Problem

The existing plastic extruder hopper cannot screen the plastic particles, resulting in larger particles affecting the efficiency and quality of melting work.

Method used

A plastic particle feeding mechanism including vibration assembly and screening assembly is designed. The screening frame is driven by a vibration motor to swing left and right to screen smaller particles, and the larger particles are crushed by a crushing motor and a crushing blade. and the crushed particles enter the feeding mechanism.

Benefits of technology

Effective screening and crushing of plastic particles is achieved, and the efficiency and quality of subsequent plastic particles melting processes are improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of plastic processing, and discloses a plastic particle feeding mechanism for a plastic protective film blowing device, which comprises a pyramid frame, the bottom of the pyramid frame is fixedly connected with a bracket, a vibration component is arranged at the top of the left side of the bracket, a screening component is arranged at the top of the pyramid frame, and a crushing component is arranged at the right side of the inner side of the bracket. The screening assembly comprises a first fixing block fixedly connected to the top of the pyramid frame, the inner side of the first fixing block is fixedly connected with a limiting rod, the outer side of the limiting rod is movably sleeved with a screening frame, screening holes are formed in the surface of the screening frame, and the right side of the screening frame is fixedly connected with a large particle discharging frame. By arranging the vibration assembly, the screening assembly and the smashing assembly, screening work of plastic particles is achieved, large plastic particles are smashed, and therefore the efficiency and quality of the subsequent plastic particle melting procedure are improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of plastic processing, and more specifically to a plastic particle feeding mechanism for a plastic protective film blowing device. Background Art

[0002] The plastic pellet feeding mechanism of the plastic protective film blowing device is usually called a plastic extruder. An extruder is a device used to heat, melt and push plastic pellets into a mold or extrusion head under pressure. In the production of plastic film blowing, the extruder is mainly responsible for heating and melting the plastic pellets, forming them into plastic tubes through the die or extrusion head, and then blowing them into thin films through the film blowing machine.

[0003] The feeding system is used to feed plastic particles into the extruder, and usually includes components such as a hopper, a feeding mechanism and a conveyor belt. However, the existing feeding hopper cannot screen the size of plastic particles. When larger plastic particles enter the melting mechanism, the larger particles will affect the efficiency and quality of the melting work. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a plastic particle feeding mechanism for a plastic protective film blowing device to solve the problems existing in the above-mentioned background technology.

[0005] The utility model provides the following technical scheme: a plastic particle feeding mechanism for a plastic protective film blowing device comprises a pyramid frame, a bracket is fixedly connected to the bottom of the pyramid frame, a vibration component is installed on the top of the left side of the bracket, a screening component is installed on the top of the pyramid frame, a crushing component is installed on the right side of the inner side of the bracket, the screening component comprises a first fixed block fixedly connected to the top of the pyramid frame, a limiting rod is fixedly connected to the inner side of the first fixed block, a screening frame is movably sleeved on the outer side of the limiting rod, screening holes are opened on the surface of the screening frame, a large particle discharging frame is fixedly connected to the right side of the screening frame, and the screening component is in an inclined state with the left side being higher than the right side.

[0006] Furthermore, the vibration assembly includes a support plate fixedly connected to the left side of the bracket, the top of the support plate is fixedly connected to a fixing plate, the front of the fixing plate is fixedly connected to a vibration motor, the output shaft of the vibration motor is fixedly connected to a turntable, the back of the turntable is fixedly connected to a first cylindrical block, and the outer side of the first cylindrical block is movably sleeved with a connecting plate.

[0007] Furthermore, a second fixed block is fixedly connected to the left side of the screening frame, a second cylindrical block is fixedly connected to the inner side of the second fixed block, and the second cylindrical block is movably sleeved with the right side of the connecting plate.

[0008] Furthermore, a support rod is fixedly connected to the right side of the bracket, and a guide frame is fixedly connected to the right side of the inner side of the support rod.

[0009] Furthermore, the crushing assembly includes a shell, the inner wall of the shell is fixedly connected to a support block, the inner side of the support block is fixedly connected to a separation frame, the top of the shell is fixedly connected to a crushing motor, the output shaft of the crushing motor is fixedly connected to a rotating rod, and the outer side of the rotating rod is fixedly connected to a crushing blade.

[0010] Furthermore, the height of the left side of the guide frame is lower than that of the right side, the width of the left side of the guide frame is narrower than that of the right side, and a feed port is opened on the right side of the top of the shell.

[0011] Technical effects and advantages of the utility model:

[0012] 1. The utility model is provided with a vibration component and a screening component. The vibration motor is started to drive the turntable to rotate, and the screening frame is driven to swing back and forth in the left and right directions along the limit rod through the connecting plate to form vibration. Smaller plastic particles fall into the interior of the pyramid frame through the screening holes, and enter the interior of the feeding mechanism through the bottom of the pyramid frame. Larger plastic particles fall into the interior of the guide frame through the large particle discharge frame, and enter the interior of the separation frame through the feed port on the top of the shell under the guiding effect of the guide frame.

[0013] 2. The utility model is provided with a crushing assembly, and the crushing motor drives the rotating rod to rotate at high speed, and then the crushing blade crushes the larger plastic particles. The crushed plastic particles enter between the shell and the separation frame under the action of centrifugal force, and enter the inside of the feeding mechanism through the bottom of the shell, thereby realizing the plastic screening work and crushing the larger plastic particles, thereby improving the efficiency and quality of the subsequent plastic particle melting process. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0015] Figure 2 It is a schematic diagram of the structure of the vibration component of the utility model.

[0016] Figure 3 This is a schematic diagram of the structure of the screening component of the utility model.

[0017] Figure 4 This is a schematic diagram of the structure of the crushing component of the utility model.

[0018] The accompanying drawings are marked as follows: 1. pyramid frame; 101. bracket; 102. support rod; 103. guide frame; 2. vibration assembly; 201. support plate; 202. fixed plate; 203. vibration motor; 204. turntable; 205. first cylindrical block; 206. connecting plate; 3. screening assembly; 301. first fixed block; 302. limit rod; 303. screening frame; 331. screening hole; 304. large particle discharge frame; 305. second fixed block; 306. second cylindrical block; 4. crushing assembly; 401. shell; 402. support block; 403. separation frame; 404. crushing motor; 405. rotating rod; 406. crushing blade. DETAILED DESCRIPTION

[0019] The following will clearly and completely describe the technical solution of the present invention in conjunction with the drawings in the present invention. In addition, the forms of the various structures recorded in the following embodiments are merely illustrative. The plastic particle feeding mechanism for a plastic protective film blowing device involved in the present invention is not limited to the various structures recorded in the following embodiments. All other embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the present invention.

[0020] Reference Figure 1-Figure 4 The utility model provides a plastic particle feeding mechanism for a plastic protective film blowing device, comprising a pyramid frame 1, a bracket 101 is fixedly connected to the bottom of the pyramid frame 1, a vibration component 2 is installed on the top of the left side of the bracket 101, a screening component 3 is installed on the top of the pyramid frame 1, and a crushing component 4 is installed on the right side of the inner side of the bracket 101. The screening component 3 comprises a first fixed block 301 fixedly connected to the top of the pyramid frame 1, a limiting rod 302 is fixedly connected to the inner side of the first fixed block 301, a screening frame 303 is movably sleeved on the outer side of the limiting rod 302, a screening hole 331 is opened on the surface of the screening frame 303, a large particle discharging frame 304 is fixedly connected to the right side of the screening frame 303, and the screening component 3 is in an inclined state with the left side being higher than the right side.

[0021] In the embodiment of the present application, the plastic particles fall on the surface of the screening frame 303 through the transmission mechanism, the vibration motor 203 is started to drive the turntable 204 to rotate, and the screening frame 303 is driven to swing back and forth in the left and right directions along the limit rod 302 through the connecting plate 206 to form vibration, and the smaller plastic particles fall into the interior of the pyramid frame 1 through the screening hole 331, and enter the interior of the feeding mechanism through the bottom of the pyramid frame 1, and the larger plastic particles fall into the interior of the guide frame 103 through the large particle discharge frame 304, and enter the interior of the separation frame 403 through the feed port at the top of the shell 401 under the guiding effect of the guide frame 103, and the crushing motor 404 drives the rotating rod 405 to rotate at a high speed, and then the crushing blade 406 crushes the larger plastic particles, and the crushed plastic particles enter between the shell 401 and the separation frame 403 under the action of centrifugal force, and enter the interior of the feeding mechanism through the bottom of the shell 401, thereby realizing the screening of the plastic and crushing the larger plastic particles, thereby improving the efficiency and quality of the subsequent plastic particle melting process.

[0022] In a preferred embodiment, the vibration assembly 2 includes a support plate 201 fixedly connected to the left side of the bracket 101, a fixed plate 202 fixedly connected to the top of the support plate 201, a vibration motor 203 fixedly connected to the front of the fixed plate 202, a turntable 204 fixedly connected to the output shaft of the vibration motor 203, a first cylindrical block 205 fixedly connected to the back of the turntable 204, a connecting plate 206 movably sleeved on the outer side of the first cylindrical block 205, and a second fixed block 306 fixedly connected to the left side of the screening frame 303. 5. The inner side of the second fixed block 305 is fixedly connected with the second cylindrical block 306, and the second cylindrical block 306 is movably connected with the right side of the connecting plate 206. When the first cylindrical block 205 rotates to the left side of the back side of the turntable 204, the connecting plate 206 pulls the screening frame 303 to move to the left side. When the first cylindrical block 205 rotates to the right side of the back side of the turntable 204, the connecting plate 206 pulls the screening frame 303 to move to the right side, thereby forming a vibration effect, and then the plastic particles are screened through the screening holes 331.

[0023] In a preferred embodiment, the right side of the bracket 101 is fixedly connected to the support rod 102, and the right side of the inner side of the support rod 102 is fixedly connected to the guide frame 103, the left side of the guide frame 103 is lower than the right side, and the left side of the guide frame 103 is narrower than the right side. A feed port is opened on the right side of the top of the shell 401. After larger plastic particles fall into the inner side of the guide frame 103 through the large particle discharge frame 304, they enter the interior of the separation frame 403 through the feed port on the top of the shell 401 under the action of gravity and the guide frame 103.

[0024] In a preferred embodiment, the crushing assembly 4 includes a shell 401, the inner wall of the shell 401 is fixedly connected to a support block 402, the inner side of the support block 402 is fixedly connected to a separation frame 403, the top of the shell 401 is fixedly connected to a crushing motor 404, the output shaft of the crushing motor 404 is fixedly connected to a rotating rod 405, and the outer side of the rotating rod 405 is fixedly connected to a crushing blade 406, which can crush larger plastic particles.

[0025] The working principle of the utility model is as follows: plastic particles fall on the surface of the screening frame 303 through the transmission mechanism, the vibration motor 203 is started to drive the turntable 204 to rotate, and the screening frame 303 is driven to swing back and forth in the left and right directions along the limit rod 302 through the connecting plate 206 to form vibration, and smaller plastic particles fall into the interior of the pyramid frame 1 through the screening hole 331, and enter the interior of the feeding mechanism through the bottom of the pyramid frame 1, and larger plastic particles fall into the interior of the guide frame 103 through the large particle discharge frame 304, and enter the interior of the separation frame 403 through the feed port at the top of the shell 401 under the guiding effect of the guide frame 103, and the rotating rod 405 is driven to rotate at a high speed by the crushing motor 404, and then the crushing blade 406 crushes the larger plastic particles, and the crushed plastic particles enter between the shell 401 and the separation frame 403 under the action of centrifugal force, and enter the interior of the feeding mechanism through the bottom of the shell 401, thereby realizing the screening of plastics and crushing larger plastic particles, thereby improving the efficiency and quality of the subsequent plastic particle melting process.

[0026] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0027] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0028] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A plastic particle feeding mechanism for a plastic protective film blowing device, comprising a pyramid frame (1), characterized in that: The bottom of the pyramid frame (1) is fixedly connected to a bracket (101), a vibration assembly (2) is installed on the top of the left side of the bracket (101), a screening assembly (3) is installed on the top of the pyramid frame (1), and a crushing assembly (4) is installed on the right side of the inner side of the bracket (101). The screening assembly (3) comprises a first fixed block (301) fixedly connected to the top of the pyramid frame (1), a limiting rod (302) is fixedly connected to the inner side of the first fixed block (301), a screening frame (303) is movably sleeved on the outer side of the limiting rod (302), a screening hole (331) is provided on the surface of the screening frame (303), and a large particle discharging frame (304) is fixedly connected to the right side of the screening frame (303). The screening assembly (3) is in an inclined state with the left side being higher than the right side.

2. A plastic particle feeding mechanism for a plastic protective film blowing device according to claim 1, characterized in that: The vibration assembly (2) comprises a support plate (201) fixedly connected to the left side of the bracket (101); the top of the support plate (201) is fixedly connected to a fixing plate (202); the front of the fixing plate (202) is fixedly connected to a vibration motor (203); the output shaft of the vibration motor (203) is fixedly connected to a rotating disk (204); the back of the rotating disk (204) is fixedly connected to a first cylindrical block (205); and the outer side of the first cylindrical block (205) is movably sleeved with a connecting plate (206).

3. The plastic particle feeding mechanism for a plastic protective film blowing device according to claim 1, characterized in that: A second fixed block (305) is fixedly connected to the left side of the screening frame (303), a second cylindrical block (306) is fixedly connected to the inner side of the second fixed block (305), and the second cylindrical block (306) is movably sleeved to the right side of the connecting plate (206).

4. The plastic particle feeding mechanism for a plastic protective film blowing device according to claim 1, characterized in that: The right side of the bracket (101) is fixedly connected to a support rod (102), and the right side of the inner side of the support rod (102) is fixedly connected to a guide frame (103).

5. The plastic particle feeding mechanism for a plastic protective film blowing device according to claim 1, characterized in that: The crushing assembly (4) comprises a shell (401), the inner wall of the shell (401) is fixedly connected to a support block (402), the inner side of the support block (402) is fixedly connected to a separation frame (403), the top of the shell (401) is fixedly connected to a crushing motor (404), the output shaft of the crushing motor (404) is fixedly connected to a rotating rod (405), the outer side of the rotating rod (405) is fixedly connected to a crushing blade (406), and a feed port is opened on the right side of the top of the shell (401).

6. The plastic particle feeding mechanism for a plastic protective film blowing device according to claim 4, characterized in that: The left side of the guide frame (103) is lower in height than the right side, and the left side of the guide frame (103) is narrower in width than the right side.