CN212795526U

CN212795526U - Double-helix plastic particle extruder

Info

Publication number: CN212795526U
Application number: CN202021383302.9U
Authority: CN
Inventors: 张炜
Original assignee: Suzhou Mingyike Machinery Co ltd
Current assignee: Suzhou Mingyike Machinery Co ltd
Priority date: 2020-07-15
Filing date: 2020-07-15
Publication date: 2021-03-26
Anticipated expiration: 2030-07-15

Abstract

The utility model discloses a double helix plastic pellet extruder, including extruder body, charging box, crushing motor and screening frame, there is the charging box through the bolt fastening on the extruder body, there is crushing motor first of charging box right side outer wall through the bolt fastening, there is linear electric motor through the bolt fastening on the backplate of charging box, there is the screening frame through the bolt fastening on linear electric motor's the workstation, latter half of charging box left side outer wall has step motor through the bolt fastening, step motor's output welded fastening has the drive shaft, and in the drive shaft extended to the box, symmetrical welded fastening had two sets of connecting blocks on the outer wall of drive shaft, and the surface of two sets of connecting blocks had the baffle through the bolt fastening. The double-helix plastic particle extruder can fully crush and filter plastic particles extruded into granules, ensure the uniform size of the plastic particles and improve the molding quality of the plastic particles.

Description

Double-helix plastic particle extruder

Technical Field

The utility model belongs to the technical field of the plastics processing, concretely relates to double helix plastic pellet extruder.

Background

In the plastic particle melt blending modification processing technology, a double screw extruder is often used. The double-screw extruder realizes the heating and melting of plastic particles through the co-rotation or the counter-rotation of the double screws, promotes various chain reactions among melts to be fully carried out in the melt flowing process, and simultaneously realizes the melting, processing and molding of plastics. The prior art twin screw extruder comprises mainly a feeding system and an extrusion system. In the production process, materials are added into a feeding system for premixing, and then are extruded through an extrusion system. A very important step in the feeding process is the feeding.

The existing double-screw extrusion device for plastic particles has the defects that the crushing process is complex, and the plastic particles cannot be filtered, so that the forming quality of the plastic particles is influenced.

Therefore, in order to meet the current situation, the design and production of a double-helix plastic particle extruder are urgently needed to meet the practical use requirement.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a double helix plastic pellet extruder to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a double helix plastic pellet extruder, includes extruder body, charging box, crushing motor and screening frame, there is the charging box through the bolt fastening on the extruder body, the first half of charging box right side outer wall has crushing motor through the bolt fastening, there is linear electric motor through the bolt fastening on the backplate of charging box, there is the screening frame through the bolt fastening on linear electric motor's the workstation, the latter half of charging box left side outer wall has step motor through the bolt fastening, step motor's output welded fastening has the drive shaft, and in the drive shaft extended to the box, symmetrical welded fastening had two sets of connecting blocks on the outer wall of drive shaft, and the surface of two sets of connecting blocks had the baffle through the bolt fastening.

Preferably, the output welded fastening of crushing motor has the output shaft, the output shaft of crushing motor extends to crushing incasement, and the left end face of output shaft passes through the welded bearing and is connected with the charging box rotation, welded fastening has crushing roller one on the output shaft outer wall of crushing motor, the right side outer wall welded fastening of crushing roller one has the driving gear, it is connected with crushing roller two to rotate through the pivot in the charging box of crushing roller one rear side, the right side outer wall welded fastening of crushing roller two has driving gear engaged with driven gear.

Preferably, the welding is fixed with the guide fill in the charging box of screening frame below, the mounting groove has been seted up in the baffle, there is the inductor of weighing through the bolt fastening in the mounting groove of baffle, the surface mounting of inductor of weighing has the guard plate, and the guard plate slides in the mounting groove of baffle, the latter half symmetrical welded fastening of baffle both sides outer wall has two sets of connecting axles, and the connecting axle rotates with the inner wall of charging box through welded bearing to be connected.

Preferably, four groups of fixing sleeves are welded and fixed on the inner walls of the two sides of the feeding box, connecting columns are connected in the fixing sleeves in a sliding mode, and the connecting columns are fixed on the outer wall of the screening frame through bolts.

Preferably, the feed inlet has been seted up on the roof of charging box, welded fastening has the feeder hopper in the feed inlet of charging box roof, welded fastening has a hopper on the lower half inner wall of charging box, and the bottom welded fastening who goes out the hopper has the discharging pipe.

The utility model discloses a technological effect and advantage: according to the double-helix plastic particle extruder, the crushing roller I is driven to rotate by the rotation of the crushing motor, and the crushing roller I drives the driven gear to rotate through the driving gear, so that the crushing roller I and the crushing roller II rotate relatively, plastics can be fully extruded, cut and crushed, the operation is simple and convenient, and the automation degree is high; the screening frame is driven by the linear motor to move back and forth in the box body, so that broken plastic particles can be screened conveniently, and the plastic particles are guaranteed to be uniform in size; the weighing sensor in the baffle plate is used for weighing plastic particles, the adding amount of materials can be accurately controlled, the double-helix plastic particle extruder can fully crush and filter the plastic particles extruded into particles, the size of the plastic particles is uniform, and the forming quality of the plastic particles is improved.

Drawings

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

fig. 2 is a cross-sectional view of the charging box of the present invention;

fig. 3 is a cross-sectional view taken along the direction a-a in fig. 2 according to the present invention;

fig. 4 is a cross-sectional view taken along the direction B-B in fig. 2 according to the present invention.

In the figure: 1 extruder body, 2 charging boxes, 3 crushing motors, 4 crushing roller I, 5 driving gears, 6 crushing roller II, 7 driven gears, 8 linear motors, 9 screening frames, 10 stepping motors, 11 baffles and 12 weighing inductors.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Unless the direction is defined separately, the directions of up, down, left, right, front, back, etc. referred to herein are the directions of up, down, left, right, front, back, etc. in the drawings of the present invention, and are herein incorporated by reference.

The utility model provides a as shown in fig. 1-4 double helix plastic pellet extruder, including extruder body 1, charging box 2, crushing motor 3 and screening frame 9, there is charging box 2 through the bolt fastening on the extruder body 1, there is crushing motor 3 first of 2 right side outer walls of charging box through the bolt fastening, crushing motor 3's model can be selected to be: Y80M1-2, be fixed with linear electric motor 8 through the bolt on the backplate of charging box 2, linear electric motor 8's model can be selected: RY45, there is screening frame 9 through the bolt fastening on linear electric motor 8's the workstation, the latter half of charging box 2 left side outer wall is through the bolt fastening has step motor 10, step motor 10's model can be selected to be: 86BYG double-phase step motor, step motor 10's output welded fastening has the drive shaft, and the drive shaft extends to in the box, and the right-hand member face of drive shaft passes through welded bearing and the right side inner wall of charging box 2 and rotates and be connected, and symmetrical welded fastening has two sets of connecting blocks on the outer wall of drive shaft, and the surface of two sets of connecting blocks is passed through the bolt fastening and is had baffle 11.

Concretely, crushing motor 3's output welded fastening has the output shaft, crushing motor 3's output shaft extends to crushing incasement, and the left end face of output shaft passes through the welded bearing and is connected with charging box 2 rotation, welded fastening has crushing roller 4 on crushing motor 3's the output shaft outer wall, the right side outer wall welded fastening of crushing roller 4 has driving gear 5, it is connected with crushing roller two 6 to rotate through the pivot in the charging box 2 of crushing roller 4 rear side, the right side outer wall welded fastening of crushing roller two 6 has driven gear 7 of driving gear 5 engaged with.

Concretely, the welding is fixed with the guide fill in 2 feeder boxes of screening frame 9 below, the mounting groove has been seted up in the baffle 11, there is weighing inductor 12 through the bolt fastening in the mounting groove of baffle 11, weighing sensor 12's model can be selected to be: QS-D30T, the surface mounting of weighing inductor 12 has the guard plate, and the guard plate slides in the mounting groove of baffle 11, and the guard plate offsets with the bottom of guide hopper, can guarantee under baffle 11 horizontal state that the guide hopper guarantees airtight state, is convenient for measure the operation to plastic granules, the latter half symmetry welded fastening of baffle 11 both sides outer wall has two sets of connecting axles, and the connecting axle rotates with the inner wall of charging box 2 through welded bearing to be connected, and two sets of connecting axles mutually support with step motor 10's drive shaft, can make baffle 11 carry out steady rotation in charging box 2.

Concretely, welded fastening has four fixed sleeves of group on the both sides inner wall of charging box 2, and sliding connection has the spliced pole in the fixed sleeve, and the spliced pole passes through the bolt fastening on the outer wall of screening frame 9, and fixed sleeve and spliced pole can carry out effectual support to screening frame 9, and linear electric motor 8 drives screening frame 9 when the round trip movement in charging box 2 simultaneously, and the spliced pole slides in the fixed sleeve to guarantee the stability that screening frame 9 removed.

Specifically, the feed inlet has been seted up on the roof of charging box 2, welded fastening has the feeder hopper in the feed inlet of 2 roofs of charging box, welded fastening has a hopper on the lower half inner wall of charging box 2, and the bottom welded fastening who goes out the hopper has the discharging pipe, and outside the discharging pipe extended to charging box 2, and installed the control valve on the discharging pipe.

The working principle of the double-helix plastic particle extruder is that when the extruder is used, the crushing motor 3 is started through the control switch, plastic to be processed is poured into the feeding box 2 through the feeding hopper, the crushing motor 3 drives the first crushing roller 4 to rotate, the first crushing roller 4 drives the driven gear 7 and the second crushing roller 6 to rotate through the driving gear 5, so that the first crushing roller 4 and the second crushing roller 6 rotate relatively to crush the plastic, the crushed plastic falls into the screening frame 9, the linear motor 8 is started simultaneously, the linear motor 8 drives the screening frame 9 to move back and forth in the feeding box 2 so as to screen the crushed plastic, the screened plastic falls above the baffle 11, the plastic is weighed through the weighing inductor 12 in the baffle 11, after the plastic is weighed, the stepping motor 10 is started, the baffle 11 is driven to rotate through the driving shaft, make baffle 11 rotatory to the vertical state, the plastics that the completion of weighing fall into the bottom of charging box 2 under the action of gravity, and plastics get into extruder body 1 through the discharging pipe and process.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a double helix plastic pellet extruder, includes extruder body (1), charging box (2), crushing motor (3) and screening frame (9), its characterized in that: there are feed box (2) through the bolt fastening on extruder body (1), there are crushing motor (3) through the bolt fastening in the first half of feed box (2) right side outer wall, there are linear electric motor (8) through the bolt fastening on the backplate of feed box (2), there are screening frame (9) through the bolt fastening on the workstation of linear electric motor (8), there are step motor (10) through the bolt fastening in the latter half of feed box (2) left side outer wall, the output welded fastening of step motor (10) has the drive shaft, and in the drive shaft extended to the box, symmetrical welded fastening had two sets of connecting blocks on the outer wall of drive shaft, and there were baffle (11) through the bolt fastening in the surface of two sets of connecting blocks.

2. A twin screw plastic pellet extruder as claimed in claim 1 wherein: the output welded fastening of crushing motor (3) has the output shaft, the output shaft of crushing motor (3) extends to crushing incasement, and the left end face of output shaft passes through welded bearing and charging box (2) and rotates and be connected, welded fastening has crushing roller (4) on the output shaft outer wall of crushing motor (3), the right side outer wall welded fastening of crushing roller (4) has driving gear (5), it is connected with crushing roller two (6) to rotate through the pivot in charging box (2) of crushing roller (4) rear side, the right side outer wall welded fastening of crushing roller two (6) has driven gear (7) that driving gear (5) engaged with.

3. A twin screw plastic pellet extruder as claimed in claim 1 wherein: welded fastening has the guide fill in feeder box (2) of screening frame (9) below, the mounting groove has been seted up in baffle (11), there is inductor (12) of weighing through the bolt fastening in the mounting groove of baffle (11), the surface mounting of inductor (12) of weighing has the guard plate, and the guard plate slides in the mounting groove of baffle (11), the latter half symmetric weld of baffle (11) both sides outer wall is fixed with two sets of connecting axles, and the connecting axle passes through the inner wall rotation of welded bearing and feeder box (2) and is connected.

4. A twin screw plastic pellet extruder as claimed in claim 1 wherein: four groups of fixing sleeves are welded and fixed on the inner walls of the two sides of the feeding box (2), connecting columns are connected in the fixing sleeves in a sliding mode and fixed on the outer wall of the screening frame (9) through bolts.

5. A twin screw plastic pellet extruder as claimed in claim 1 wherein: the feed inlet has been seted up on the roof of feeder box (2), welded fastening has the feeder hopper in the feed inlet of feeder box (2) roof, welded fastening has a hopper on the lower half inner wall of feeder box (2), and the bottom welded fastening who goes out the hopper has the discharging pipe.