Polyethylene resin extruder

By introducing a filter assembly and a flexible cooling assembly structure into the polyethylene resin extruder, the problems of impurities entering the polyethylene raw material and the inconvenience of maintaining the cooling assembly are solved, thereby improving processing quality and cooling effect.

CN223630934UActive Publication Date: 2025-12-05QINGDAO LIKANG FOOD PACKAGING TECH CO LTD
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Patent Information

Application Number
CN202422940922.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-30
Publication Date
2025-12-05
Estimated Expiration
2034-11-30

AI Technical Summary

Technical Problem

Traditional extruders have poor filtration capabilities when polyethylene raw materials are introduced into the barrel, and impurities entering the barrel affect processing quality. The fixed structure of the cooling components makes maintenance inconvenient and affects the cooling effect.

Method used

A filter assembly was designed to pre-filter polyethylene raw materials. A flexible cooling assembly structure was set up for easy disassembly and maintenance. The assembly includes a filter frame, a feed box, an extrusion assembly, and a cooling assembly, and adopts a motor-driven and detachable cooling fan blade structure.

Benefits of technology

It improves the processing quality of polyethylene raw materials, prevents impurities from entering the barrel, and the cooling components can be flexibly disassembled and maintained, ensuring the continuity of cooling effect.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223630934U_ABST
    Figure CN223630934U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of polyethylene resin, in particular to a polyethylene resin extruder which comprises a case, the top of the case is fixedly connected with a machine barrel, one side of the top of the machine barrel is communicated with a feeding pipe, and the top of the feeding pipe is communicated with a feeding box. A feeding box is arranged in the machine barrel, a filtering assembly is arranged in the feeding box, a box cover is arranged above the feeding box, an extrusion assembly is arranged in the machine barrel, one end, far away from the feeding box, of the machine barrel is communicated with an extrusion pipe, and the bottom end of the extrusion pipe is communicated with an extrusion opening die. Therefore, impurities doped in the polyethylene raw materials cannot be guided into the machine barrel together, the influence of the impurities on the processing quality of the polyethylene raw materials is reduced, in addition, the cooling assembly is flexible in structure, the cooling assembly can be disassembled and maintained when damaged, and the cooling efficiency is improved. Therefore, the cooling effect is not influenced by inconvenience of subsequent maintenance work.
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Description

TECHNICAL FIELD

[0001] The utility model relates to polyethylene resin technical field, concretely is a kind of polyethylene resin extruder. BACKGROUND

[0002] Polyethylene resin is a thermoplastic resin by ethylene monomer through polymerization reaction, odorless, nontoxic, feel like wax, polyethylene resin has good low temperature resistance, the minimum use temperature can reach-100~-70 ℃, its chemical stability is good, can resist the erosion of most acid and alkali, but not resistant to acid with oxidizing property, polyethylene resin is widely used in packaging materials, building materials, daily necessities and other fields, polyethylene resin needs to be used in the processing process extruder, extruder is a kind of equipment for processing polyethylene resin, its main function is to heat, plasticize and extrude polyethylene raw material into various polyethylene products.

[0003] Traditional extruder has the processing capacity to polyethylene raw material, but it still has some deficiencies, for example, when polyethylene raw material is introduced into barrel, the filtering capacity of polyethylene raw material is poor, so the impurities mixed in polyethylene raw material will be introduced into the barrel, which will affect the processing quality of polyethylene raw material, in addition, the structure of cooling assembly is fixed, so it is difficult to disassemble and maintain when it is damaged, which will affect the cooling effect due to the inconvenience of subsequent maintenance work, therefore, a polyethylene resin extruder is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of polyethylene resin extruder, when polyethylene raw material is introduced into barrel, the filtering capacity of polyethylene raw material is good, so the impurities mixed in polyethylene raw material will not be introduced into the barrel, thereby reducing the influence of impurities on the quality of polyethylene raw material processing, in addition, the structure of cooling assembly is flexible, so it can be disassembled and maintained when it is damaged, so it will not affect the cooling effect due to the inconvenience of subsequent maintenance work, to solve the problems proposed in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] The utility model provides a kind of polyethylene resin extruder, including the machine box, the top of the machine box is fixedly connected with machine cylinder, the top side of the machine cylinder is communicated with feeding pipe, the top of the feeding pipe is communicated with feeding tank, filter assembly is equipped in the feeding tank and the upper of the feeding tank is equipped with tank cover, extrusion assembly is equipped in the machine cylinder, the end of the machine cylinder away from the feeding tank is communicated with extrusion pipe and the bottom end of the extrusion pipe is communicated with extrusion die, the lower of the extrusion die is equipped with collection tank, the side wall of the machine box is fixedly connected with fixed support, and cooling assembly is equipped on the fixed support.

[0007] Preferably, the filter assembly includes a filter frame that matches the specifications of the inner cavity of the feeding tank, the bottom wall of the filter frame is provided with a filter screen, and the filter frame is symmetrically and fixedly connected with a mounting plugboard, and the mounting plugboard is provided with mounting screw holes.

[0008] Preferably, the extrusion assembly includes a first motor arranged in the inner cavity of the machine cylinder away from the extrusion pipe and an extrusion groove provided in the inner cavity of the machine cylinder, and the extrusion groove is provided with an extrusion auger, and the output end of the first motor is fixedly connected with the adjacent end of the extrusion auger.

[0009] Preferably, the cooling assembly includes a first half shell fixedly connected with the fixed support and a second half shell symmetrically arranged with the first half shell, the outer side wall of the first half shell is fixedly connected with a second motor, the output end of the second motor extends into the first half shell and is fixedly connected with a driving disc at this end, the outer side of the driving disc is provided with a plurality of cooling fan blades, and the outer side wall of the second half shell is provided with a dust screen.

[0010] Preferably, the outer side wall of the driving disc is provided with a plurality of fixing grooves equal in number to the cooling fan blades, and the outer side of the fixing grooves is penetrated by a fixing bolt, the end of the cooling fan blade is fixedly connected with a fixing block matching the specifications of the fixing grooves, and the fixing block is penetrated by a fixing screw hole corresponding in position and specifications to the fixing bolt.

[0011] Preferably, the inner side wall of the first half shell is symmetrically provided with a positioning clamping block, the inner side wall of the second half shell is symmetrically provided with a positioning clamping groove corresponding in position and specifications to the positioning clamping block, the first half shell is symmetrically and fixedly connected with a first connecting plate, the second half shell is symmetrically and fixedly connected with a second connecting plate, and the first connecting plate and the second connecting plate are penetrated by connecting bolts for connection.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] The utility model discloses a machine case can support machine cylinder and can provide electrical service for the whole, the machine cylinder can provide processing space for the extrusion of polyethylene raw material, the feed pipe can be used for the communication of feed tank and machine cylinder, the feed tank can feed polyethylene raw material, and the polyethylene raw material is guided into machine cylinder through the feed pipe, the filter component can filter polyethylene raw material before entering the feed pipe, so that the impurities mixed in the polyethylene raw material are not guided into machine cylinder, thereby reducing the influence of impurities on the quality of polyethylene raw material processing, the box cover can close the top of feed tank when not feeding to prevent other sundries from entering, the extrusion component can convey, heat and plasticize polyethylene raw material, the extrusion pipe can guide the polyethylene raw material in machine cylinder into the extrusion die, the extrusion die can extrude and form polyethylene raw material, the collection tank can collect the formed product, the fixed support rod can fix and support the cooling component, the cooling component can cool and form the extruded product, and its structure is flexible, so that it can be disassembled and maintained when damaged, thereby avoiding the influence of subsequent maintenance work on the cooling effect. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the front view of the utility model;

[0015] Figure 2 It is the structure schematic view of the utility model;

[0016] Figure 3 It is the structure schematic of feed tank of the utility model Figure 1 ;

[0017] Figure 4 It is the structure schematic of feed tank of the utility model Figure 2 ;

[0018] Figure 5 It is the structure schematic of cooling component of the utility model Figure 1 ;

[0019] Figure 6 It is the structure schematic of cooling component of the utility model Figure 2 ;

[0020] Figure 7 It is the assembly structure schematic of cooling fan blade and driving disc of the utility model.

[0021] In the figure: 1, the case; 2, the barrel; 3, the feeding pipe; 4, the feeding box; 5, the filter assembly; 501, the filter frame; 502, the filter screen; 503, the mounting plugboard; 504, the mounting screw hole; 505, the mounting slot; 506, the mounting bolt; 6, the box cover; 7, the extrusion assembly; 701, the first motor; 702, the extrusion groove; 703, the extrusion auger; 8, the extrusion pipe; 9, the extrusion die; 10, the collection box; 11, the fixed support rod; 12, the cooling assembly; 1201, the first half shell; 1202, the second half shell; 1203, the second motor; 1204, the driving disc; 1205, the cooling fan blade; 1206, the dustproof screen; 1207, the fixing slot; 1208, the fixing bolt; 1209, the fixing block; 1210, the fixing screw hole; 1211, the positioning clamping block; 1212, the positioning clamping slot; 1213, the first connecting plate; 1214, the second connecting plate; 1215, the connecting bolt. DETAILED DESCRIPTION

[0022] 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 protection of the present application.

[0023] In the description of the present application, it should be understood that the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, perpendicular, horizontal" and "top, bottom" and the like indicate the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and in the absence of the opposite description, these orientation words do not indicate and imply that the indicated device or element must have a specific orientation or be constructed and operated in a specific orientation, therefore cannot be understood as a limitation on the protection scope of the present application; the orientation words "inner, outer" refer to the inner and outer of the contour of each component itself.

[0024] In addition, it should be noted that the use of "first", "second" and the like to limit parts is only for the convenience of distinguishing the corresponding parts, and in the absence of further declaration, the above words have no special meaning, therefore cannot be understood as a limitation on the protection scope of the present application.

[0025] Please refer to Figures 1-7 The present application provides a technical solution:

[0026] The utility model provides an extruder of polyethylene resin, including the machine box 1, the top of machine box 1 is fixedly connected with the machine cylinder 2, the top side of machine cylinder 2 is connected with the feeding pipe 3, the top of feeding pipe 3 is connected with the feeding tank 4, is equipped with filter assembly 5 in feeding tank 4 and is equipped with tank cover 6 above feeding tank 4, is equipped with extrusion assembly 7 in machine cylinder 2, the end of machine cylinder 2 away from feeding tank 4 is connected with the extrusion pipe 8 and the bottom end of extrusion pipe 8 is connected with the extrusion die 9, and the lower extrusion die 9 is equipped with the collection tank 10, and one side wall of machine box 1 is fixedly connected with the fixed support 11, and the fixed support 11 is equipped with cooling assembly 12.

[0027] The filtering assembly 5 comprises a filtering frame 501 matched with the specification of the inner cavity of the feeding box 4, the bottom wall of the filtering frame 501 is provided with a filtering screen plate 502, the filtering frame 501 is symmetrically and fixedly connected with a mounting plug plate 503, the mounting plug plate 503 is provided with mounting screw holes 504, the top of the two side walls of the feeding box 4 is symmetrically provided with mounting plug slots 505 matched with the mounting plug plate 503 in position and specification, the outer side of the mounting plug slot 505 is penetrated by mounting bolts 506 matched with the mounting screw holes 504 in position and specification, the filtering assembly 5 can filter the polyethylene raw material before entering the feeding pipe 3, so that the impurities mixed in the polyethylene raw material are not introduced into the cylinder 2, thereby reducing the influence of the impurities on the quality of the polyethylene raw material processing; the extruding assembly 7 comprises a first motor 701 arranged in the inner cavity of the cylinder 2 away from one end of the extruding pipe 8 and an extruding groove 702 provided in the inner cavity of the cylinder 2, the extruding groove 702 is provided with an extruding screw 703, and the output end of the first motor 701 is fixedly connected with the adjacent end of the extruding screw 703, the extruding assembly 7 can convey, heat and plasticize the polyethylene raw material; the cooling assembly 12 comprises a first half shell 1201 fixedly connected with the fixed support rod 11 and a second half shell 1202 symmetrically arranged with the first half shell 1201, the outer side wall of the first half shell 1201 is fixedly connected with a second motor 1203, the output end of the second motor 1203 extends into the first half shell 1201 and is fixedly connected with a driving disc 1204, the outer side of the driving disc 1204 is provided with a plurality of cooling fan blades 1205, the outer side wall of the second half shell 1202 is provided with a dust screen plate 1206, the outer side wall of the driving disc 1204 is provided with a plurality of fixed grooves 1207 equal in number to the cooling fan blades 1205, the outer side of the fixed groove 1207 is penetrated by a fixed bolt 1208, the end of the cooling fan blade 1205 is fixedly connected with a fixed block 1209 matched with the fixed groove 1207 in specification, and the fixed block 1209 is penetrated by a fixed screw hole 1210 matched with the fixed bolt 1208 in position and specification, the inner side wall of the first half shell 1201 is symmetrically provided with a positioning clamping block 1211, the inner side wall of the second half shell 1202 is symmetrically provided with a positioning clamping groove 1212 matched with the positioning clamping block 1211 in position and specification, the first half shell 1201 is symmetrically and fixedly connected with a first connecting plate 1213, the second half shell 1202 is symmetrically and fixedly connected with a second connecting plate 1214, the first connecting plate 1213 and the second connecting plate 1214 are penetrated by connecting bolts 1215 for connection, the cooling assembly 12 not only can cool and shape the extruded product, but also has a flexible structure, so that it can be disassembled and maintained when it is damaged, thereby avoiding the influence of the subsequent maintenance work on the cooling effect.

[0028] Workflow: First, all electrical appliances are powered on and make each electrical appliance external controller, case 1 can support the machine cylinder 2 and can provide electrical services for the whole, machine cylinder 2 can provide processing space for the extrusion of polyethylene raw materials, feeding pipe 3 can be used for the communication between feeding tank 4 and machine cylinder 2, feeding tank 4 can feed polyethylene raw materials, make polyethylene raw materials into machine cylinder 2 through feeding pipe 3, filter assembly 5 can filter polyethylene raw materials before entering the feeding pipe 3, so as not to bring the impurities mixed in the polyethylene raw materials into the machine cylinder 2, thereby reducing the influence of impurities on the quality of polyethylene raw materials processing, polyethylene raw materials will be first introduced into the filter frame 501 and filtered through the filter screen 502, and because the structure of the filter frame 501 is flexible, it is convenient to disassemble and maintain when it needs to be disassembled and maintained, when installing the filter frame 501, first place the filter frame 501 above the feeding tank 4 and move it down, the installation plug 503 on the filter frame 501 will be inserted into the installation slot 505 for positioning, so that the filter frame 501 is hung on the top of the feeding tank 4, at this time the installation bolt 506 corresponds to the installation screw hole 504, finally the installation bolt 506 is screwed into the installation screw hole 504, and the same when disassembling, the tank cover 6 can close and protect the top of the feeding tank 4 when not feeding, to prevent other impurities from entering, the first motor 701 in the extrusion assembly 7 can drive the extrusion screw 703 to rotate, thereby conveying the polyethylene raw materials in the extrusion slot 702 to the extrusion pipe 8 direction, while heating and plasticizing the polyethylene raw materials, the extrusion pipe 8 can guide the polyethylene raw materials in the machine cylinder 2 into the extrusion die 9, the extrusion die 9 can extrude and shape the polyethylene raw materials, the collection tank 10 can collect the shaped products, the fixed support 11 can fix and support the cooling assembly 12, the cooling assembly 12 can drive the driving disc 1204 to rotate by the second motor 1203, so that the driving disc 1204 drives the cooling fan blades 1205 on it to rotate and blow, thereby cooling and shaping the products extruded by the extrusion die 9, and the setting of the dust screen 1206 can prevent the entry of external dust, and the overall structure of the cooling assembly 12 is flexible, so that it can be disassembled and maintained when it is damaged, thereby not affecting its cooling effect due to the inconvenience of subsequent maintenance work, when installing the cooling fan blades 1205, first insert the fixed block 1209 at one end of the cooling fan blades 1205 into the fixed slot 1207 at the corresponding position on the driving disc 1204, at this time the fixed screw hole 1210 corresponds to the hole position of the fixed screw 1208, finally the fixed screw 1208 is screwed into the fixed screw hole 1210, and the same when disassembling and replacing, when installing the second half shell 1202, first place it on one side of the first half shell 1201 and move it close to it, at the same time, the positioning clamping groove 1212 and the positioning clamping block 1211 are positioned and clamped, providing good positioning ability and certain connectivity between the first half shell 1201 and the second half shell 1202,At this time, the first connecting plate 1213 and the second connecting plate 1214 are in position correspondence, finally the connecting bolt 1215 is screwed on the first connecting plate 1213 and the second connecting plate 1214, and the same is true when disassembling and maintaining.

[0029] The contents not described in detail in the specification belong to the prior art known to the person skilled in the art. The standard parts used in the utility model can be purchased from the market, and the special-shaped parts can be ordered according to the description and the drawings. The specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art. The machinery, parts and equipment adopt conventional models in the prior art. The circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here.

[0030] Although the embodiments of the utility model have been shown and described, it can be understood by those of ordinary skill in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the spirit and scope of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A polyethylene resin extruder comprising a housing (1), characterised in that: The top of the case (1) is fixedly connected with a machine barrel (2), one side of the top of the machine barrel (2) is communicated with a feeding pipe (3), the top of the feeding pipe (3) is communicated with a feeding box (4), the feeding box (4) is provided with a filter assembly (5), the upper side of the feeding box (4) is provided with a box cover (6), the machine barrel (2) is provided with an extrusion assembly (7), one end of the machine barrel (2) away from the feeding box (4) is communicated with an extrusion pipe (8), and the bottom end of the extrusion pipe (8) is communicated with an extrusion die (9), the lower side of the extrusion die (9) is provided with a collection box (10), and one side wall of the case (1) is fixedly connected with a fixed support rod (11), and the fixed support rod (11) is provided with a cooling assembly (12).

2. A polyethylene resin extruder as claimed in claim 1, wherein: The filter assembly (5) comprises a filter frame (501) matched with the inner cavity specification of the feeding box (4), the bottom wall of the filter frame (501) is provided with a filter screen plate (502), the filter frame (501) is symmetrically and fixedly connected with an installation plug plate (503), and the installation plug plate (503) is provided with an installation screw hole (504), the top of the two side walls of the feeding box (4) is symmetrically provided with an installation slot (505), the installation slot (505) and the installation plug plate (503) are correspondingly arranged and matched in specification, and the outer side of the installation slot (505) penetrates an installation bolt (506) corresponding in position and matched in specification with the installation screw hole (504).

3. A polyethylene resin extruder as defined in claim 1, characterized by: The extrusion assembly (7) comprises a first motor (701) arranged in the inner cavity of the machine barrel (2) away from one end of the extrusion pipe (8) and an extrusion groove (702) formed in the inner cavity of the machine barrel (2), the extrusion groove (702) is provided with an extrusion auger (703), and the output end of the first motor (701) is fixedly connected with the adjacent end of the extrusion auger (703).

4. A polyethylene resin extruder as defined in claim 1, characterized by: The cooling assembly (12) comprises a first half shell (1201) fixedly connected with the fixed support rod (11) and a second half shell (1202) symmetrically arranged with the first half shell (1201), the outer side wall of the first half shell (1201) is fixedly connected with a second motor (1203), the output end of the second motor (1203) extends into the first half shell (1201), and the end is fixedly connected with a driving disc (1204), the outer side of the driving disc (1204) is provided with a plurality of cooling fan blades (1205), and the outer side wall of the second half shell (1202) is provided with a dustproof screen plate (1206).

5. A polyethylene resin extruder as defined in claim 4, characterized by: A plurality of fixing grooves (1207) equal in number to the cooling fan blades (1205) are formed in the outer side wall of the driving disc (1204), and a fixing bolt (1208) penetrates the outer side of the fixing groove (1207), the end of the cooling fan blade (1205) is fixedly connected with a fixing block (1209) matched in specification with the fixing groove (1207), and the fixing block (1209) penetrates a fixing screw hole (1210) corresponding in position and matched in specification with the fixing bolt (1208).

6. A polyethylene resin extruder as defined in claim 4, characterized by: The inner side wall of the first half shell (1201) is symmetrically provided with a positioning clamping block (1211), the inner side wall of the second half shell (1202) is symmetrically provided with a positioning clamping groove (1212) corresponding to the position of the positioning clamping block (1211) and matching in specification, the first half shell (1201) is symmetrically and fixedly connected with a first connecting plate (1213), the second half shell (1202) is symmetrically and fixedly connected with a second connecting plate (1214), and the first connecting plate (1213) and the second connecting plate (1214) are penetrated with a connecting bolt (1215) for connection.