PA6 plastic raw material screening device

Abstract

The utility model provides a PA6 plastic raw material screening device, and belongs to the technical field of PA6 plastic raw material processing. The device comprises a screening mechanism, a cover body and a gasket, the screening mechanism is composed of a plurality of screening assemblies stacked from top to bottom, and each screening assembly comprises a device shell which is vertically through, a first protrusion is arranged at the upper end of the device shell, and a first groove is formed in the lower end of the device shell; the device inner shell is arranged in the device outer shell, a second protrusion is arranged on the top of the device inner shell, and a second groove is formed in the lower end. The filter screen plate is detachably arranged at the bottom of the device inner shell; the spring is arranged between the device inner shell and the device outer shell; the cover body is arranged at the top of the screening mechanism, the cover body is provided with an opening, the gasket is arranged at the bottom of the screening mechanism, the hole diameters of the filter screen plates in the screening assemblies which are sequentially stacked from top to bottom are sequentially reduced, the first grooves and the first protrusions of the device outer shells of every two adjacent screening assemblies are matched, and the second grooves and the second protrusions of the device inner shells of every two adjacent screening assemblies are matched.

Description

Technical Field

[0001] The utility model relates to the technical field of PA6 plastic raw material processing, in particular to a PA6 plastic raw material screening device. Background Art

[0002] PA6 is a milky white or slightly yellow transparent to opaque keratinous crystalline polymer, which can be freely colored, has good toughness, wear resistance, self-lubrication, low rigidity, low temperature resistance, bacteria resistance, slow burning, slow extinguishing after leaving the fire, dripping and bubbling, and excellent molding processability; it can be injection molded, blow molded, cast, sprayed, powder molded, machined, welded, and bonded.

[0003] In the existing production process, PA6 plastic raw material particles directly enter the next processing procedure, and PA6 plastic raw material particles of different sizes face the same operation process. For example, PA6 plastic raw material particles need to be crushed before powder molding. During the crushing process, PA6 plastic raw material particles of different sizes are faced, which affects the crushing efficiency. Therefore, the utility model provides a PA6 plastic raw material screening device. Summary of the invention

[0004] In order to make up for the above shortcomings, the utility model provides a PA6 plastic raw material screening device, which aims to improve the existing production process, in which PA6 plastic raw material particles directly enter the next processing procedure, and PA6 plastic raw material particles of different sizes face the same operation process. For example, PA6 plastic raw material particles need to be crushed before powder molding. During the crushing process, PA6 plastic raw material particles of different sizes are faced, which affects the crushing efficiency.

[0005] The utility model is achieved in this way:

[0006] The utility model provides a PA6 plastic raw material screening device, comprising:

[0007] A screening mechanism, the screening mechanism is composed of a plurality of screening components stacked from top to bottom, the screening components comprising:

[0008] A device housing, the device housing is through-connected from top to bottom, a first protrusion is provided at the upper end of the device housing, and a first groove is provided at the lower end;

[0009] An inner shell of the device, the inner shell of the device is arranged in the outer shell of the device, a second protrusion is arranged on the top of the inner shell of the device, and a second groove is arranged on the lower end;

[0010] A filter screen plate, the filter screen plate is detachably arranged at the bottom of the inner shell of the device;

[0011] A plurality of springs, one end of each spring being connected to the inner wall of the device housing and the other end being connected to the outer wall of the device inner housing;

[0012] a cover body, the cover body is arranged on the top of the screening mechanism, and the cover body is provided with an opening;

[0013] a gasket, the gasket being arranged at the bottom of the screening mechanism and being matched with the first groove of the device housing;

[0014] Among them, the apertures of the filter screen plates in the screening assemblies stacked from top to bottom decrease successively, the first groove of the device outer shell in two adjacent screening assemblies cooperates with the first protrusion, and the second groove of the device inner shell cooperates with the second protrusion.

[0015] Preferably, a slot is provided at the lower end of the device inner shell, and the filter screen plate can pass through the slot and be restricted at the bottom of the device inner shell, and the filter screen plate blocks the lower port of the device inner shell.

[0016] Preferably, the cover body comprises:

[0017] An upper cover body, the edge of which is matched with a first protrusion arranged on the upper end of the screening mechanism, the upper cover body is provided with a first feed inlet, and the upper cover body is provided with the opening;

[0018] a lower cover body, the edge of which cooperates with a second protrusion disposed on the upper end of the screening mechanism, and a second feed port is disposed on the upper cover body;

[0019] an extension pipe, the extension pipe being fixed in the first feed port, the upper end of the extension pipe extending upward out of the first feed port, and the lower end of the extension pipe penetrating through the second feed port into the device inner shell at the upper end of the screening mechanism;

[0020] There is an operating gap between the outer surface of the extension tube and the inner wall of the second feed port, and the lower cover is touched through the opening to cause the inner shells of each device in the screening mechanism to shake.

[0021] Preferably, a handle is provided on the outer surface of the device housing.

[0022] Preferably, it also includes:

[0023] A receiving tray is arranged at the lower end of the screening mechanism.

[0024] Preferably, a rubber pad is provided on the upper edge of the inner shell of the device.

[0025] Preferably, a baffle plate extends in the slot toward the center of the inner shell of the device, and the upper surface of the baffle plate contacts the filter screen plate.

[0026] Preferably, the filter screen is made of ferromagnetic material, and the baffle is made of magnetic material.

[0027] The beneficial effects of the utility model are as follows: in a PA6 plastic raw material screening device provided by the utility model, a screening mechanism formed by screening components connected up and down can screen materials, and an inner shell of the device in the screening mechanism is shaken through the opening on the cover body, so that the inner shell of the device can be shaken in the horizontal direction and the vertical direction, and the screened PA6 plastic raw material particles are convenient for the next processing step. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0029] Figure 1 A schematic diagram of the explosion structure of a PA6 plastic raw material screening device provided in an embodiment of the utility model;

[0030] Figure 2 A schematic diagram of the structure of a screening assembly provided in an embodiment of the utility model;

[0031] Figure 3 A schematic diagram of the inner shell structure of the device provided by the embodiment of the utility model;

[0032] Figure 4 This is a schematic diagram of the cover structure provided in an embodiment of the utility model.

[0033] In the figure: screening mechanism 1, screening assembly 10, device outer shell 100, first protrusion 1001, first groove 1002, device inner shell 101, second protrusion 1010, second groove 1011, slot 1012, baffle 1013, filter screen plate 102, spring 103, handle 11, cover body 2, upper cover body 20, first feed port 200, opening 201, lower cover body 21, second feed port 210, extension tube 22, gasket 3. DETAILED DESCRIPTION

[0034] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific drawings.

[0035] It should be noted that, in the present invention, when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are for illustrative purposes only and do not represent the only implementation method.

[0036] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art to which the present invention belongs. The terms used in the specification of the present invention herein are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0037] Example

[0038] like Figure 1-4 As shown, the utility model provides a PA6 plastic raw material screening device, including: a screening mechanism 1, a cover 2, and a gasket 3. The screening mechanism 1 is composed of a plurality of screening components 10 stacked from top to bottom. The screening component 10 includes: a device shell 100, a device inner shell 101, a filter screen plate 102, and a spring 103. The device shell 100 is through-through, a first protrusion 1001 is arranged at the upper end of the device shell 100, and a first groove 1002 is arranged at the lower end. The device inner shell 101 is arranged in the device shell 100, and the top of the device inner shell 101 is provided with a first protrusion 1001. A second protrusion 1010 is provided at the top, and a second groove 1011 is provided at the lower end, the filter screen plate 102 is detachably provided at the bottom of the device inner shell 101, one end of the spring 103 is connected to the inner wall of the device outer shell 100, and the other end is connected to the outer wall of the device inner shell 101, the cover body 2 is provided at the top of the screening mechanism 1, the cover body 2 is provided with an opening 201, the gasket 3 is provided at the bottom of the screening mechanism 1, the gasket 3 is matched with the first groove 1002 of the device outer shell 100, wherein the apertures of the filter screen plates 102 in the screening components 10 stacked from top to bottom decrease successively. The first groove 1002 of the device outer shell 100 in two adjacent screening components 10 cooperates with the first protrusion 1001, and the second groove 1011 of the device inner shell 101 cooperates with the second protrusion 1010. The operator contacts several device inner shells 101 connected up and down in the screening mechanism 1 through the opening 201, and shakes the device inner shells 101 connected up and down in sequence, so as to screen the PA6 plastic raw materials in the device inner shells 101.

[0039] The arrangement of the gasket 3 allows a movable gap between the bottom surface of the lowest device inner shell 101 in the screening mechanism 1 and the ground, so that a plurality of device inner shells 101 can swing in the horizontal and vertical directions.

[0040] In this embodiment, a slot 1012 is provided at the lower end of the device inner shell 101, and the filter screen plate 102 can pass through the slot 1012 and be restricted at the bottom of the device inner shell 101, and the filter screen plate 102 blocks the lower port of the device inner shell 101, and preferably a baffle 1013 is extended in the slot 1012 toward the center of the device inner shell 101, and the upper surface of the baffle 1013 contacts the filter screen plate 102, wherein the filter screen plate 102 is preferably made of ferromagnetic material, and the baffle 1013 is made of magnet material. When the filter screen plate 102 is inserted into the slot 1012, since the baffle 1013 is made of magnet material, it can absorb the ferromagnetic filter screen plate 102 and play a fixing role.

[0041] In this embodiment, the cover body 2 includes: an upper cover body 20, a lower cover body 21, and an extension tube 22. The edge of the upper cover body 20 is matched with the first protrusion 1001 set at the upper end of the screening mechanism 1, the upper cover body 20 is provided with a first feed port 200, the upper cover body 20 is provided with an opening 201, the edge of the lower cover body 21 is matched with the second protrusion 1010 set at the upper end of the screening mechanism 1, the upper cover body 20 is provided with a second feed port 210, the extension tube 22 is fixed in the first feed port 200, and the upper end of the extension tube 22 extends upward from the first feed port 200, and the lower end passes through the second feed port 210 to enter the device inner shell 101 at the upper end of the screening mechanism 1, wherein there is an operating gap between the outer surface of the extension tube 22 and the inner wall of the second feed port 210, and the lower cover body 21 is touched through the opening 201 to make the device inner shells 101 in the screening mechanism 1 shake, and the screening mechanism 1 can be continuously fed through the extension tube 22. At the same time, several device inner shells 101 connected up and down in the screening mechanism 1 can shake in the horizontal and vertical directions, thereby improving the screening effect of the device.

[0042] In this embodiment, a handle 11 is provided on the outer surface of the device housing 100, so that the operator can conveniently stack the plurality of screening assemblies 10. A receiving tray is provided at the lower end of the screening mechanism 1, so as to receive the screened materials in time.

[0043] In this embodiment, a rubber pad is disposed on the upper edge of the device inner shell 101 , and the rubber pad can strengthen the connection between the upper and lower connected device inner shells 101 and reduce the material being thrown out from the gap at the connection between two adjacent device inner shells 101 .

[0044] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A PA6 plastic raw material screening device, characterized in that: include: A screening mechanism, the screening mechanism is composed of a plurality of screening components stacked from top to bottom, the screening components comprising: A device housing, the device housing is through-connected from top to bottom, a first protrusion is provided at the upper end of the device housing, and a first groove is provided at the lower end; An inner shell of the device, the inner shell of the device is arranged in the outer shell of the device, a second protrusion is arranged on the top of the inner shell of the device, and a second groove is arranged on the lower end; A filter screen plate, the filter screen plate is detachably arranged at the bottom of the inner shell of the device; A plurality of springs, one end of each spring being connected to the inner wall of the device housing and the other end being connected to the outer wall of the device inner housing; a cover body, the cover body is arranged on the top of the screening mechanism, and the cover body is provided with an opening; a gasket, the gasket is arranged at the bottom of the screening mechanism, and the gasket is matched with the first groove of the device housing; Among them, the apertures of the filter screen plates in the screening assemblies stacked from top to bottom decrease successively, the first groove of the device outer shell in two adjacent screening assemblies cooperates with the first protrusion, and the second groove of the device inner shell cooperates with the second protrusion.

2. A PA6 plastic raw material screening device according to claim 1, characterized in that: A slot is arranged at the lower end of the device inner shell, and the filter screen plate can pass through the slot and be restricted at the bottom of the device inner shell, and the filter screen plate blocks the lower port of the device inner shell.

3. A PA6 plastic raw material screening device according to claim 1, characterized in that: The cover body comprises: An upper cover body, the edge of which is matched with a first protrusion arranged on the upper end of the screening mechanism, the upper cover body is provided with a first feed inlet, and the upper cover body is provided with the opening; a lower cover body, the edge of which cooperates with a second protrusion disposed on the upper end of the screening mechanism, and a second feed port is disposed on the upper cover body; an extension pipe, the extension pipe being fixed in the first feed port, the upper end of the extension pipe extending upward out of the first feed port, and the lower end of the extension pipe penetrating through the second feed port into the device inner shell at the upper end of the screening mechanism; There is an operating gap between the outer surface of the extension tube and the inner wall of the second feed port, and the lower cover is touched through the opening to cause the inner shells of each device in the screening mechanism to shake.

4. A PA6 plastic raw material screening device according to claim 1, characterized in that: A handle is arranged on the outer surface of the device housing.

5. A PA6 plastic raw material screening device according to claim 1, characterized in that: Also includes: A receiving tray is arranged at the lower end of the screening mechanism.

6. A PA6 plastic raw material screening device according to claim 1, characterized in that: A rubber pad is arranged on the upper edge of the inner shell of the device.

7. A PA6 plastic raw material screening device according to claim 2, characterized in that: A baffle plate extends in the slot toward the center of the inner shell of the device, and an upper surface of the baffle plate contacts the filter screen plate.

8. A PA6 plastic raw material screening device according to claim 7, characterized in that: The filter screen plate is made of ferromagnetic material, and the baffle is made of magnetic material.

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