Particle screening device for modified plastic particle production

Abstract

The utility model discloses a particle screening device for modified plastic particle production, which belongs to the technical field of modified plastic particle production, and comprises a shell, a driving component and a screen replacing component are arranged in the shell, a screen outwards-bouncing component is arranged on the screen replacing component, the screen replacing component comprises an outer frame, and the outer frame is provided with a screen outwards-bouncing component. A supporting rod is fixedly mounted on the top face of the outer frame, and a mounting frame is slidably mounted on the outer wall of the top end of the supporting rod. According to the modified plastic particle screening device, the screen replacing assembly is arranged, through the design, replacement of the screen in the particle screening device is effectively achieved, the screen is replaced according to the size of the modified plastic particles to be screened, and it is not needed that multiple types of particle screening devices conduct screening of different sizes on the produced modified plastic particles; the practicability of the device is greatly improved, and the using effect is good.

Description

TECHNICAL FIELD

[0001] The utility model belongs to modified plastics particle production technical field especially relates to a particle screening device for modified plastics particle production. BACKGROUND

[0002] Modified plastics is one kind of industrial plastics, which is modified by filling, reinforcing and blending on the basis of general plastics and engineering plastics, and can effectively improve the flame retardance, impact resistance, strength and toughness of plastics.

[0003] Nowadays, the size of modified plastics particles needs to be screened in modified plastics particle production, but most particle screening devices do not have perfect screen replacement mechanism, so that single type of particle screening device cannot screen according to the size requirement of modified plastics particles, resulting in the need of multiple types of particle screening devices for screening modified plastics particles of different sizes after production, which greatly reduces the practicability of the device and has poor use effect. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the problem that the size of modified plastics particles needs to be screened in modified plastics particle production nowadays, but most particle screening devices do not have perfect screen replacement mechanism, so that single type of particle screening device cannot screen according to the size requirement of modified plastics particles, resulting in the need of multiple types of particle screening devices for screening modified plastics particles of different sizes after production, which greatly reduces the practicability of the device and has poor use effect, and proposes a particle screening device for modified plastics particle production.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: a particle screening device for modified plastics particle production, comprising a shell, a driving assembly and a screen replacement assembly are arranged in the shell, a screen outer elastic assembly is arranged on the screen replacement assembly;

[0006] The screen replacement assembly comprises an outer frame, a support rod is fixedly installed on the top surface of the outer frame, a mounting bracket is slidably installed on the outer wall of the top end of the support rod, a spring is sleeved on the outer wall of the support rod, a screen is arranged on the inner wall of the outer frame, and a sliding bead is arranged on the side wall of the screen.

[0007] As a further description of the above technical scheme:

[0008] The mounting bracket is fixedly installed on the inner wall of the shell, one end of the spring is fixedly installed on the top surface of the outer frame, and the other end of the spring is fixedly installed on the outer wall of the mounting bracket.

[0009] As a further description of the above technical scheme:

[0010] The driving assembly comprises a motor fixedly installed on the outer wall of the shell.

[0011] As a further description of the above technical solution:

[0012] The output shaft of the motor penetrates through the through hole provided on the outer wall of the shell, and one end of the output shaft of the motor is fixedly installed with a driving rod.

[0013] As a further description of the above technical solution:

[0014] The other end of the driving rod is swingingly installed on the inner wall of the shell, and the outer wall of the driving rod is fixedly installed with a vibrating rod.

[0015] As a further description of the above technical solution:

[0016] The screen outer spring assembly comprises a spring plate, the outer wall of the spring plate is fixedly installed with a spring rod, the other end of the spring rod is fixedly installed on the inner wall of the outer frame, and the spring plate and the inner wall of the outer frame are slidingly connected.

[0017] As described above, due to the adoption of the above technical solution, the beneficial effects of the present application are:

[0018] 1、In the present application, the screen replacement assembly is provided, which effectively realizes the replacement of the screen in the particle screening device, and the screen is replaced according to the size of the modified plastic particles to be screened, so that different size screening of the modified plastic particles after production is not required, the practicability of the device is greatly improved, and the use effect is good.

[0019] 2、In the present application, the screen outer spring assembly is provided, which effectively realizes the springing of one end of the screen, exposes one end of the screen outside the shell, and makes it easier to pull out the screen from the inside of the shell, and the use effect is good. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a three-dimensional structure schematic view of a particle screening device for modified plastic particle production.

[0021] Figure 2 It is an internal structure schematic view of a shell in a particle screening device for modified plastic particle production.

[0022] Figure 3 It is a combination structure schematic view of a screen replacement assembly, a driving assembly and a screen outer spring assembly in a particle screening device for modified plastic particle production.

[0023] Figure 4 It is an explosion structure schematic view of a screen outer spring assembly in a particle screening device for modified plastic particle production.

[0024] Legend:

[0025] 1, housing; 2, feed frame; 3, door; 4, collection box; 5, chute; 6, drive assembly; 61, motor; 62, drive rod; 63, vibration rod; 7, screen replacement assembly; 71, outer frame; 72, screen; 73, sliding bead; 74, mounting bracket; 75, support rod; 76, spring; 8, screen outer spring assembly; 81, spring plate; 82, spring rod. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0027] Please refer to Figures 1-4 The present application provides a technical solution: a particle screening device for modified plastic particle production, comprising a housing 1, the inside of the housing 1 is provided with a drive assembly 6 and a screen replacement assembly 7, the screen replacement assembly 7 is provided with a screen outer spring assembly 8;

[0028] The screen replacement assembly 7 comprises an outer frame 71, the top surface of the outer frame 71 is fixedly installed with a support rod 75, the outer wall of the top end of the support rod 75 is slidably installed with a mounting bracket 74, the outer wall of the support rod 75 is sleeved with a spring 76, the inner wall of the outer frame 71 is provided with a screen 72, and the side wall of the screen 72 is provided with a sliding bead 73;

[0029] The mounting bracket 74 is fixedly installed on the inner wall of the housing 1, one end of the spring 76 is fixedly installed on the top surface of the outer frame 71, and the other end of the spring 76 is fixedly installed on the outer wall of the mounting bracket 74;

[0030] The drive assembly 6 comprises a motor 61, the motor 61 is fixedly installed on the outer wall of the housing 1, the output shaft of the motor 61 penetrates through the through hole provided on the outer wall of the housing 1, one end of the output shaft of the motor 61 is fixedly installed with a drive rod 62, the other end of the drive rod 62 is swingingly installed on the inner wall of the housing 1, and the outer wall of the drive rod 62 is fixedly installed with a vibration rod 63;

[0031] The specific implementation is that the plastic particles are poured into the shell 1 through the feeding frame 2, the motor 61 is started, the output shaft of the motor 61 drives the driving rod 62 to rotate, the driving rod 62 drives the vibration rod 63 to rotate at the same time, the vibration rod 63 knocks the outer frame 71, the outer frame 71 is extruded by the vibration rod 63, the outer frame 71 drives the screen 72 to displace upward, the outer frame 71 extrudes the bottom end of the spring 76, so that the spring 76 is in a compressed state, when the outer frame 71 is not extruded by the vibration rod 63, the spring force of the spring 76 makes the outer frame 71 reset, and the reciprocation is realized, because the spring rod 82 is arranged in the outer frame 71, the screen 72 moves outward, so that the side wall of the screen 72 and the door 3 are rubbed, the sliding beads 73 arranged on the side wall of the screen 72 slide in the sliding groove 5 arranged on the door 3, so that a gap can exist between the side wall of the screen 72 and the door 3, the direct friction between the two is avoided, the friction between the two is reduced, and the screen 72 is vibrated up and down to complete the screening.

[0032] The screen outer spring assembly 8 comprises a spring plate 81, a spring rod 82 is fixedly installed on the outer wall of the spring plate 81, the other end of the spring rod 82 is fixedly installed on the inner wall of the outer frame 71, and the spring plate 81 and the inner wall of the outer frame 71 are slidably connected;

[0033] The specific implementation is that when the screen 72 needs to be replaced, the door 3 is only opened, the door 3 no longer extrudes the screen 72, the screen 72 also does not extrude the spring plate 81, the spring rod 82 arranged on the inner wall of the outer frame 71 is in a compressed state, the spring force generated by the spring rod 82 drives the spring plate 81 to displace, the spring plate 81 drives the screen 72 to displace, one end of the screen 72 is exposed outside the shell 1, the screen 72 is pulled out from the inside of the outer frame 71 through the one end of the screen 72, different size hole size screens 72 are inserted into the outer frame 71, and then the door 3 is closed, the sliding beads 73 arranged on the side wall of the screen 72 are recombined with the sliding groove 5 arranged on the door 3.

[0034] Working principle: the plastic particles are poured into the shell 1 through the inlet frame 2, the motor 61 is started, the output shaft of the motor 61 drives the driving rod 62 to rotate, the driving rod 62 rotates while driving the vibration rod 63 to rotate, the vibration rod 63 knocks the outer frame 71, the outer frame 71 is extruded by the vibration rod 63, the outer frame 71 drives the screen 72 to displace upward, the outer frame 71 extrudes the bottom end of the spring 76, so that the spring 76 is in a compressed state, when the outer frame 71 is not extruded by the vibration rod 63, the spring 76 restores the outer frame 71, the screen 72 moves outward due to the spring rod 82 arranged in the outer frame 71, so that the side wall of the screen 72 and the door 3 generate friction, the sliding ball 73 arranged on the side wall of the screen 72 slides in the sliding groove 5 arranged on the door 3, so that a gap exists between the side wall of the screen 72 and the door 3, avoiding direct contact between the two to reduce the friction therebetween, so that the screen 72 vibrates up and down to complete the screening, when the screen 72 needs to be replaced, the door 3 is opened, the door 3 no longer extrudes the screen 72, so that the screen 72 does not extrude the elastic plate 81, the spring rod 82 arranged on the inner wall of the outer frame 71 is in a compressed state, the spring rod 82 generates elastic force to drive the elastic plate 81 to displace, the elastic plate 81 drives the screen 72 to displace, one end of the screen 72 is exposed outside the shell 1, then the screen 72 is pulled out from the inside of the outer frame 71 through one end of the screen 72, after a screen 72 with different size holes is inserted into the outer frame 71, the door 3 is closed, and the sliding ball 73 arranged on the side wall of the screen 72 is recombined with the sliding groove 5 arranged on the door 3.

[0035] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A particle screening device for modified plastic particle production, comprising a housing (1), characterized in that: The inside of the shell (1) is provided with a driving assembly (6) and a screen replacement assembly (7), the screen replacement assembly (7) is provided with a screen outer elastic assembly (8); The screen replacement assembly (7) comprises an outer frame (71), the top surface of the outer frame (71) is fixedly installed with a supporting rod (75), the outer wall of the top end of the supporting rod (75) is slidably installed with a mounting rack (74), the outer wall of the supporting rod (75) is sleeved with a spring (76), the inner wall of the outer frame (71) is provided with a screen (72), and the side wall of the screen (72) is provided with a sliding ball (73).

2. The granule screening device for producing modified plastic particles according to claim 1, characterized by, The mounting rack (74) is fixedly installed on the inner wall of the shell (1), one end of the spring (76) is fixedly installed on the top surface of the outer frame (71), and the other end of the spring (76) is fixedly installed on the outer wall of the mounting rack (74).

3. The granule screening device for producing modified plastic particles according to claim 2, characterized by, The driving assembly (6) comprises a motor (61), and the motor (61) is fixedly installed on the outer wall of the shell (1).

4. The granule screening device for producing modified plastic particles according to claim 3, characterized by, The output shaft of the motor (61) penetrates through the through hole formed in the outer wall of the shell (1), and one end of the output shaft of the motor (61) is fixedly installed with a driving rod (62).

5. The granule screening device for producing modified plastic particles according to claim 4, characterized by, The other end of the driving rod (62) is swingably installed on the inner wall of the shell (1), and the outer wall of the driving rod (62) is fixedly installed with a vibrating rod (63).

6. The granule screening device for producing modified plastic particles according to claim 5, wherein The screen outer elastic assembly (8) comprises an elastic plate (81), the outer wall of the elastic plate (81) is fixedly installed with a spring rod (82), the other end of the spring rod (82) is fixedly installed on the inner wall of the outer frame (71), and the elastic plate (81) and the inner wall of the outer frame (71) are slidably connected.

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