CN211279648U

CN211279648U - HDPE tubular product extruder

Info

Publication number: CN211279648U
Application number: CN201921899161.3U
Authority: CN
Inventors: 曹海; 杜兴涛; 张立国
Original assignee: Laiwu Huaya Super Polymer Material Technology Co ltd
Current assignee: Laiwu Huaya Super Polymer Material Technology Co ltd
Priority date: 2019-11-06
Filing date: 2019-11-06
Publication date: 2020-08-18
Anticipated expiration: 2029-11-06

Abstract

The utility model relates to a tubular product shaping field, concretely relates to HDPE tubular product extruder. The rotary table comprises a cylindrical barrel and a circular table barrel, wherein a feed inlet is formed in the circular table barrel, the cylindrical barrel is fixedly connected with a small-opening end of the circular table barrel, a rotary table is rotatably connected with a large-opening end of the circular table barrel, a rotary connecting seat is arranged on the inner side end face of the rotary table, a motor is connected in the center of the rotary table, a screw rod is arranged in the cylindrical barrel, an extrusion die and a spherical hinge groove are respectively arranged at two ends of the screw rod, a spiral fan blade is arranged in the circular table barrel, a hinge ball and a rotary connecting pin are respectively arranged at two ends of the spiral fan blade, the rotary connecting pin is located in the rotary connecting seat, the hinge ball is located in the spherical hinge groove, a driven gear is arranged on one side of the extrusion die, a discharge port is formed in the. The production cost is reduced, and the product quality is improved.

Description

HDPE tubular product extruder

Technical Field

The utility model relates to a tubular product shaping field, concretely relates to HDPE tubular product extruder.

Background

High Density Polyethylene, known by the english name "High Density Polyethylene," is simply referred to as "HDPE. HDPE is a highly crystalline, non-polar thermoplastic resin. The appearance of the original HDPE is milky white, and the micro-thin section is semitransparent to a certain degree. HDPE has excellent resistance to most domestic and industrial chemicals.

In the process of forming the HDPE pipe, melting the raw materials, adding a foaming agent before foaming and extruding the raw materials, mixing the foaming agent with the raw materials, forming a honeycomb or porous structure in the molten raw materials after the foaming agent reacts, extruding the molten raw materials with the porous structure through an extrusion die by using a foaming extrusion device, and forming plastic foam after the raw materials are formed and cooled. In the prior art, a large amount of foaming agent is required to be added in the extrusion process of plastic foaming, so that the production cost is increased, the air holes are not uniformly distributed, and the plastic foaming quality is low.

Chinese utility model a plastics foaming extrusion device as bulletin number is CN208730312U, the test platform comprises a support, fixedly connected with barrel on the frame, barrel top fixedly connected with water pump, water pump outlet and barrel one end intercommunication, water pump inlet one end is connected with the feeding pipeline, the hopper of feeding pipeline top fixedly connected with and feeding pipeline intercommunication, be provided with a plurality of electric heat nets in the feeding pipeline side by side, barrel internal rotation is connected with and impels the screw rod, impel the screw rod including the axle core, the spiral piece of following outside the axle core is connect around to the spiral, barrel one end fixedly connected with motor, axle core one end and motor output shaft fixed connection, it is provided with a plurality of through-holes to run through on the spiral piece, barrel one end fixedly connected with extrusion die, the extrusion die middle part runs through and is provided with the profile of extruding, barrel. The plastic foaming device is simple in structure, the addition of a foaming agent can be omitted, the production cost is saved, the air holes in the foam are uniformly distributed, and the plastic foaming quality is improved.

However, in practical use, the through holes are arranged on the spiral sheet in a penetrating manner, so that the strength of the spiral sheet is reduced, the spiral sheet is twisted and even broken due to plastic foaming in the using process, the extrusion working process is influenced, the product quality is further influenced, and the production cost is increased.

SUMMERY OF THE UTILITY MODEL

To foretell not enough, the utility model provides a HDPE tubular product extruder.

The utility model provides a technical scheme that its technical problem adopted is: an HDPE pipe extruder comprises a cylindrical barrel and a circular table barrel, wherein a feed inlet is arranged on the circular table barrel, the cylindrical barrel is fixedly connected with a small-opening end of the circular table barrel, a rotary table is rotatably connected with a large-opening end of the circular table barrel, a rotary connecting seat is arranged on the inner side end face of the rotary table, a first motor is connected to the center of the rotary table, a screw rod is arranged in the cylindrical barrel, an extrusion die and a spherical hinge groove are respectively arranged at two ends of the screw rod, a spiral fan blade is arranged in the circular table barrel, a hinge ball and a rotary connecting pin are respectively arranged at two ends of the spiral fan blade, the rotary connecting pin is positioned in the rotary connecting seat, the hinge ball is positioned in the spherical hinge groove, a driven gear is arranged at one side of the extrusion die, a discharge outlet is arranged at the other side of the extrusion die, the discharge outlet extends into the cylindrical barrel, and a second motor is arranged on the second motor support, a driving gear is arranged on an output shaft of the second motor, and the driving gear is meshed with the driven gear.

As an optimization, the inclination angle of the circular truncated cone cylinder is 30 degrees, the included angle between the length direction of the screw and the length direction of the spiral fan blade is 30 degrees, and the two angles are equal, so that the spiral fan blade can be tightly attached to the inner wall of the circular truncated cone cylinder to rotate, plastic foam is stirred more fully before entering the circular truncated cone cylinder, the addition of a foaming agent can be reduced, the production cost is saved, the distribution of foaming air holes is uniform, and the plastic foam quality is improved.

As optimization, a first support is arranged below the cylindrical drum, a second support is arranged below the circular table drum, a first motor support is arranged below the first motor, and the bottoms of the first support, the second support and the first motor support are all arranged in parallel and level and are all fixed on the ground.

Preferably, a coupler is arranged between the first motor and the rotary table, and the coupler is used for reducing vibration and noise.

Preferably, a sealing groove is formed in the end face of one side of the driven gear, the edge of the cylindrical barrel is located in the sealing groove, and plastic foaming is prevented from seeping out of a gap between the cylindrical barrel and the driven gear.

The utility model has the advantages that: the utility model provides a pair of HDPE tubular product extruder adopts the mode that a round platform section of thick bamboo and a cylinder section of thick bamboo combined together, will extrude the process and fall into two parts, utilizes the helical blade in the round platform section of thick bamboo earlier, carries out the preliminary treatment to the plastics foaming, and it is more even to make the gas pocket distribute on the foaming, has cancelled the through-hole on the helical blade simultaneously, has improved helical blade's intensity, has avoided helical blade distortion fracture even, reduction in production cost promotes product quality.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the overall structure of the present invention from another angle;

fig. 3 is a schematic front sectional view of the present invention;

FIG. 4 is a schematic view of the overall structure of the screw rod of the present invention;

fig. 5 is a schematic front sectional view of the screw of the present invention.

The automatic feeding device comprises a cylindrical barrel, a circular table barrel, a rotary table, a first motor, a second motor, a first screw rod, a second motor, a spiral fan blade, 101, a first support, 201, a second support, 202, a feeding hole, 301, a rotating connecting seat, 401, the first motor support, 402, a coupler, 501, a driving gear, 502, the second motor support, 601, an extrusion die, 602, a discharging hole, 603, a driven gear, 604, a spherical hinge groove, 701, a hinge ball, 702 and a rotating connecting pin.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

The HDPE pipe extruder shown in fig. 1-3 comprises a cylindrical barrel 1 and a circular table barrel 2, wherein a feed inlet 202 is arranged on the circular table barrel 2, the cylindrical barrel 1 is fixedly connected with a small-mouth end of the circular table barrel 2, a rotary table 3 is rotatably connected with a large-mouth end of the circular table barrel 2, a rotary connecting seat 301 is arranged on the inner side end surface of the rotary table 3, a first motor 4 is connected with the center of the rotary table 3, a screw 6 is arranged in the cylindrical barrel 1, an extrusion die 601 and a spherical hinge groove 604 are respectively arranged at two ends of the screw 6, a helical fan blade 7 is arranged in the circular table barrel 2, a hinge ball 701 and a rotary connecting pin 702 are respectively arranged at two ends of the helical fan blade 7, the rotary connecting pin 702 is positioned in the rotary connecting seat 301, the hinge ball 701 is positioned in the spherical hinge groove 604, a driven gear 603 is arranged at one side of the extrusion die 601, and a discharge outlet, the discharge port 602 extends into the cylindrical drum 1, a second motor support 502 is fixedly connected to the cylindrical drum 1, a second motor 5 is arranged on the second motor support 502, a driving gear 501 is arranged on an output shaft of the second motor 5, and the driving gear 501 is meshed with a driven gear 603.

In this embodiment, the circular truncated cone inclination of circular truncated cone section of thick bamboo 2 is 30, the length direction of screw rod 6 also is 30 with the length direction contained angle of spiral flabellum 7, and the equal purpose of two angles makes spiral flabellum 7 can hug closely and rotate at the inner wall of circular truncated cone section of thick bamboo 2, makes plastic foaming obtain more abundant stirring before getting into cylinder 1, and the addition of reducible foamer saves manufacturing cost, and the foaming gas pocket distributes evenly, promotes the plastic foaming quality.

In this embodiment, a first support 101 is disposed below the cylinder barrel 1, a second support 201 is disposed below the circular truncated cone barrel 2, a first motor support 401 is disposed below the first motor 4, and bottoms of the first support 101, the second support 201, and the first motor support 401 are all arranged in parallel and level and are all fixed on the ground.

In this embodiment, a coupling 402 is disposed between the first motor 4 and the rotating disk 3, and the coupling 402 is used for reducing vibration and noise.

In this embodiment, a sealing groove is provided on one side end face of the driven gear 603, and the edge of the cylindrical tube 1 is located in the sealing groove, so as to prevent plastic foam from leaking out of the gap between the cylindrical tube 1 and the driven gear 603.

The working principle is as follows: the utility model provides a pair of HDPE tubular product extruder, during the use place the plastics foaming from feed inlet 202 into, start first motor 4 and second motor 5 simultaneously, first motor 4 rotates and drives carousel 3 and rotate, make spiral fan blade 7 stir the plastics foaming in a round platform section of thick bamboo 2, second motor 5 rotates, drive driving gear 501 rotates, thereby drive driven gear 603 and rotate, and then drive screw rod 6 and rotate, finally make plastics foaming rotatory to a cylinder section of thick bamboo 1 in, finally follow the discharge gate 602 extrusion moulding of extrusion die 601.

The above embodiments are only specific cases of the present invention, and the protection scope of the present invention includes but is not limited to the forms and styles of the above embodiments, and any suitable changes or modifications made thereto by those skilled in the art according to the claims of the present invention shall fall within the protection scope of the present invention.

Claims

1. An HDPE pipe extruder is characterized in that: the rotary table comprises a cylindrical barrel and a circular table barrel, wherein a feed inlet is formed in the circular table barrel, the cylindrical barrel is fixedly connected with a small-opening end of the circular table barrel, a rotary table is rotatably connected with a large-opening end of the circular table barrel, a rotary connecting seat is arranged on the inner side end face of the rotary table, a first motor is connected to the center of the rotary table, a screw rod is arranged in the cylindrical barrel, an extrusion die and a spherical hinge groove are respectively arranged at two ends of the screw rod, a spiral fan blade is arranged in the circular table barrel, a hinge ball and a rotary connecting pin are respectively arranged at two ends of the spiral fan blade, the rotary connecting pin is arranged in the rotary connecting seat, the hinge ball is arranged in the spherical hinge groove, a driven gear is arranged at one side of the extrusion die, a discharge outlet is formed in the other side of the extrusion die, the discharge outlet extends into the cylindrical barrel, a second motor support is, and the output shaft of the second motor is provided with a driving gear, and the driving gear is meshed with the driven gear.

2. The HDPE pipe extruder of claim 1, characterized in that: the inclination angle of the circular truncated cone cylinder is 30 degrees, and the included angle between the length direction of the screw and the length direction of the spiral fan blades is 30 degrees.

3. The HDPE pipe extruder of claim 2, characterized in that: the cylinder barrel is characterized in that a first support is arranged below the cylinder barrel, a second support is arranged below the circular table barrel, a first motor support is arranged below the first motor, and the bottoms of the first support, the second support and the first motor support are arranged in a flush mode and are fixed on the ground.

4. The HDPE pipe extruder of claim 3, characterized in that: and a coupling is arranged between the first motor and the rotary table.

5. The HDPE pipe extruder of claim 4, characterized in that: a sealing groove is formed in the end face of one side of the driven gear, and the edge of the cylindrical barrel is located in the sealing groove.