CN213704498U

CN213704498U - Novel plastic extruder

Info

Publication number: CN213704498U
Application number: CN202022553209.4U
Authority: CN
Inventors: 田喜澄
Original assignee: Dongguan Manta New Material Technology Co ltd
Current assignee: Dongguan Manta New Material Technology Co ltd
Priority date: 2020-11-07
Filing date: 2020-11-07
Publication date: 2021-07-16
Anticipated expiration: 2030-11-07

Abstract

The utility model relates to the technical field of plastic processing equipment, in particular to a novel plastic extruder, which comprises a base, a machine barrel, a screw rod, a motor, a heating device and an inlet pipe, wherein the machine barrel and the motor are arranged at the top of the machine barrel, the motor is in power connection with the screw rod, the inlet pipe is inserted at the top of the machine barrel, the other end of the machine barrel is provided with a discharge port, a heat preservation mechanism is arranged on the discharge port, one side of the machine barrel is provided with a cooling mechanism which is arranged at one side close to the discharge port, the cooling mechanism comprises a cooling box, a fixed seat and a limiting seat, the fixed seat is arranged in the cooling box, the limiting seat is arranged on the; the cooling mechanism further cools off the stereotyping effect to plastics, avoids plastics to condense mutually at the discharge gate after extruding, and the temperature of heat preservation mechanism is less than the temperature in the barrel, and heat preservation mechanism keeps warm to the plastics of extruding, and the difference in temperature is too big when avoiding plastics to extrude leads to the discharge gate to block up the extrusion of influence plastics.

Description

Novel plastic extruder

Technical Field

The utility model relates to a plastic processing equipment technical field specifically is a novel plastics extruder.

Background

In the plastic extrusion molding equipment, the plastic extruder is generally called as a main machine, and the subsequent equipment matched with the plastic extruder is called as an auxiliary machine, after the development of the plastic extruder for more than 100 years, multiple machine types such as double screws, multiple screws and even no screws are derived from the original single screw, the plastic extruder can be matched with various plastic molding auxiliary machines such as pipes, films, rods, monofilaments, flat wires, packing belts, nets, plates, profiles, granulations, cable coatings and the like to form various plastic extrusion molding production lines to produce various plastic products, but the existing plastic extruder can achieve the extrusion effect, but because the discharge port is directly exposed in the air, the cross wind blown from the interior can not be blocked, so that the colloid soft material is easily cooled, and if the temperature difference between the inside and the outside of the discharge port is large, the discharge port is easily blocked, the extrusion of the materials is influenced, and the extruded plastic is easy to mutually condense when being cooled in the cooling liquid, so that the shaping effect is poor.

SUMMERY OF THE UTILITY MODEL

The utility model provides a novel plastic extruder for overcoming the defects, which comprises the following technical scheme.

A novel plastic extruder comprises a machine base, a machine barrel, a screw rod, a motor, a heating device and a feeding pipe, wherein the machine barrel and the motor are arranged at the top of the machine base, the screw rod and the heating device are arranged in the machine barrel, the motor is positioned at one end of the machine barrel, the motor is in power connection with the screw rod, the feeding pipe is inserted at the top of the machine barrel, a feeding port is formed in the feeding pipe, the feeding port is communicated with the machine barrel, a discharging port is formed in the other end of the machine barrel, a heat insulation mechanism is arranged on the discharging port, a heating ring is arranged in the heat insulation mechanism, a transition hole is formed in the heat insulation mechanism, the transition hole is communicated with the discharging port, the heating ring surrounds the periphery of the transition hole, a cooling mechanism is arranged at one side of the machine base, the cooling mechanism is positioned at, the limiting hole is positioned on one side of the transition hole.

Furthermore, spacing seat is made by elastic material, and the opening has been seted up at spacing seat top, and the opening link up each other with spacing hole, and the opening both ends upwards extend has the regulation seat, have seted up the regulation hole on the regulation seat, and it is equipped with the regulation pole to insert on the regulation hole of opening one side, adjusts the regulation hole that pole one end passed the opening opposite side, adjusts pole and regulation hole screw-thread fit.

Optionally, a speed reducer and a coupler are arranged between the motor and the screw rod, the speed reducer is installed between the motor and the screw rod, and the speed reducer is connected with the motor through the coupler.

Optionally, a temperature detector is arranged at the top of the machine barrel, and a detection end of the temperature detector is inserted into the machine barrel.

Furthermore, a conveying belt and a roller are arranged in the cooling box, the conveying belt is located on one side of the fixing seat, a roller frame is installed on the conveying belt, and the roller is rotatably installed on the roller frame.

Further, the heat preservation mechanism includes first zone of heating, second zone of heating and third zone of heating, and the first zone of heating is installed on the barrel, and first zone of heating, second zone of heating and third zone of heating connect gradually.

Compared with the prior art, the beneficial effects of the utility model reside in that:

pour into the plastics material by the inlet pipe, the material enters into in the barrel, the outer wall of screw rod and the inner wall of barrel form the extrusion passageway, tentatively stereotype after heating the extrusion with the plastics material and extrude from the discharge gate, the plastics material passes heat preservation mechanism and keeps warm in the back flows out to cooling body from the transition hole, put into the coolant liquid in the cooler bin, plastics pass spacing hole and extend to in next step, cooling body further cools off the design effect to plastics, condense mutually at the discharge gate after avoiding plastics to extrude, the temperature of heat preservation mechanism is less than the temperature in the barrel, heat preservation mechanism keeps warm to the plastics of extruding, the too big discharge gate that leads to when avoiding plastics to extrude blocks up the extrusion that influences plastics.

Drawings

Fig. 1 is a schematic cross-sectional structure diagram of the present invention.

Fig. 2 is a schematic cross-sectional structure diagram of the cooling mechanism of the present invention.

The reference numerals are respectively: the device comprises a base 1, a machine barrel 2, a screw 3, a motor 4, a heating device 5, a feeding pipe 6, a feeding port 7, a discharging port 8, a heat preservation mechanism 9, a heating ring 10, a transition hole 11, a cooling mechanism 12, a cooling box 13, a fixed seat 14, a limiting seat 15, a limiting hole 16, an opening 17, an adjusting seat 18, an adjusting hole 19, an adjusting rod 20, a speed reducer 21, a coupler 22, a temperature detector 23, a conveying belt 24, a roller 25, a roller frame 26, a first heating layer 27, a second heating layer 28 and a third heating layer 29.

Detailed Description

As shown in figures 1 and 2, a novel plastic extruder comprises a base 1, a machine barrel 2, a screw 3, a motor 4, a heating device 5 and a feeding pipe 6, wherein the machine barrel 2 and the motor 4 are installed at the top of the base 1, the screw 3 and the heating device 5 are installed in the machine barrel 2, the motor 4 is located at one end of the machine barrel 2, the motor 4 is in power connection with the screw 3, the feeding pipe 6 is inserted at the top of the machine barrel 2, a feeding port 7 is formed in the feeding pipe 6, the feeding port 7 is communicated with the machine barrel 2, a discharging port 8 is formed at the other end of the machine barrel 2, a heat preservation mechanism 9 is installed on the discharging port 8, a heating ring 10 is installed in the heat preservation mechanism 9, a transition hole 11 is formed in the heat preservation mechanism 9, the transition hole 11 is communicated with the discharging port 8, the heating ring 10 surrounds the periphery of the transition hole, cooling body 12 includes cooler bin 13, fixing base 14 and spacing seat 15, and fixing base 14 is installed in cooler bin 13, and spacing seat 15 is installed on fixing base 14, has seted up spacing hole 16 on the spacing seat 15, and spacing hole 16 is located one side of transition hole 11.

Further explaining, plastic materials are poured into the machine barrel 2 from the feeding pipe 6, the materials enter the machine barrel 2, an extrusion channel is formed by the outer wall of the screw rod 3 and the inner wall of the machine barrel 2, the plastic materials are heated and extruded and then are preliminarily shaped and extruded from the discharge hole 8, the plastic materials pass through the heat insulation mechanism 9 to be subjected to heat insulation and then flow out of the transition hole 11 into the cooling mechanism 12, cooling liquid is put into the cooling box 13, the plastic passes through the limiting hole 16 to extend to the next step, the cooling mechanism 12 performs further cooling and shaping effects on the plastic, mutual condensation of the plastic at the discharge hole 8 after extrusion is avoided, the temperature of the heat insulation mechanism 9 is lower than the temperature in the machine barrel 2, the heat insulation mechanism 9 performs heat insulation on the extruded plastic, and the phenomenon that the discharge hole 8 is blocked to influence.

Furthermore, the limiting seat 15 is made of elastic materials, an opening 17 is formed in the top of the limiting seat 15, the opening 17 is communicated with a limiting hole 16, adjusting seats 18 extend upwards from two ends of the opening 17, adjusting holes 19 are formed in the adjusting seats 18, adjusting rods 20 are inserted into the adjusting holes 19 on one side of the opening 17, one ends of the adjusting rods 20 penetrate through the adjusting holes 19 on the other side of the opening 17, and the adjusting rods 20 are in threaded fit with the adjusting holes 19; thereby adjust the size of spacing hole 16 through adjusting the size of opening 17 on spacing seat 15, be convenient for adjust to the shaping size of plastics.

Optionally, a speed reducer 21 and a coupling 22 are arranged between the motor 4 and the screw rod 3, the speed reducer 21 is installed between the motor 4 and the screw rod 3, and the speed reducer 21 is connected with the motor 4 through the coupling 22; the speed reducer 21 is arranged to reduce the rotating speed of the screw rod 3, and the problem that the plastic cannot be completely plasticized due to too high rotating speed of the screw rod 3 is avoided.

Optionally, a temperature detector 23 is arranged at the top of the machine barrel 2, and a detection end of the temperature detector 23 is inserted into the machine barrel 2; be equipped with temperature detector 23 and be convenient for the staff to look over the temperature in barrel 2, further set up barrel 2 temperature, avoid the temperature to hang down excessively to lead to the plastify bad.

Further, a conveyor belt 24 and a roller 25 are arranged in the cooling box 13, the conveyor belt 24 is positioned on one side of the fixed seat 14, a roller frame 26 is arranged on the conveyor belt 24, and the roller 25 is rotatably arranged on the roller frame 26; the roller 25 and the conveyor belt 24 are arranged to extrude and stretch the plastic, so that the material is prevented from being accumulated at the cooling mechanism 12.

Further, the heat preservation mechanism 9 comprises a first heating layer 27, a second heating layer 28 and a third heating layer 29, the first heating layer 27 is installed on the machine barrel 2, and the first heating layer 27, the second heating layer 28 and the third heating layer 29 are connected in sequence; the temperatures of the first heating layer 27, the second heating layer 28 and the third heating layer 29 are gradually reduced, and the temperature difference of the extruded plastic and the air is further reduced.

Various other modifications and alterations of the disclosed structure and principles may occur to those skilled in the art, and all such modifications and alterations are intended to be included within the scope of the present invention.

Claims

1. A novel plastic extruder is characterized in that: comprises a machine base, a machine barrel and a screw rod, the motor, heating device and inlet pipe, barrel and motor are installed at the frame top, screw rod and heating device install in the barrel, the motor is located the one end of barrel, the motor is connected with screw rod power, the inlet pipe is pegged graft at the top of barrel, the feed inlet has been seted up on the inlet pipe, the feed inlet communicates with the barrel each other, the discharge gate has been seted up to the other end of barrel, install heat preservation mechanism on the discharge gate, install the heating collar in the heat preservation mechanism, the last transition hole of having seted up of heat preservation mechanism, the transition hole link up each other with the discharge gate, the heating collar is around the periphery in transition hole, cooling body is installed to frame one side, cooling body is located the one side that is close to the discharge gate, cooling body includes the cooler bin, fixing base and spacing seat, the fixing base is installed in the.

2. A novel plastic extruder as claimed in claim 1, wherein: spacing seat is made by elastic material, and the opening has been seted up at spacing seat top, and the opening link up each other with spacing hole, and the opening both ends upwards extend has the regulation seat, has seted up the regulation hole on the regulation seat, and it is equipped with the regulation pole to insert on the regulation hole of opening one side, adjusts the regulation hole that pole one end passed the opening opposite side, adjusts pole and regulation hole screw-thread fit.

3. A novel plastic extruder as claimed in claim 1, wherein: a speed reducer and a coupler are arranged between the motor and the screw rod, the speed reducer is installed between the motor and the screw rod, and the speed reducer is connected with the motor through the coupler.

4. A novel plastic extruder as claimed in claim 1, wherein: the top of the machine barrel is provided with a temperature detector, and the detection end of the temperature detector is inserted into the machine barrel.

5. A novel plastic extruder as claimed in claim 1, wherein: be provided with conveyer belt and cylinder in the cooler bin, the conveyer belt is located one side of fixing base, installs the roller frame on the conveyer belt, and the cylinder rotates to be installed on the roller frame.

6. A novel plastic extruder as claimed in claim 1, wherein: the heat preservation mechanism comprises a first heating layer, a second heating layer and a third heating layer, the first heating layer is installed on the machine barrel, and the first heating layer, the second heating layer and the third heating layer are connected in sequence.