Granulation extruder

Abstract

The utility model discloses a pelletizing extruder which comprises a machine table, an extrusion material barrel is arranged on the machine table, an extrusion screw rod is arranged in the extrusion material barrel, the extrusion screw rod is driven by a driving assembly to rotate, an extrusion die is arranged at one end of the extrusion material barrel, a support is arranged at the other end of the extrusion material barrel, an L-shaped supporting arm is arranged on the support, and a material pressing air cylinder is arranged on the supporting arm. A material pressing plate is arranged at the piston rod end of the material pressing air cylinder, a feeding hopper is arranged at the upper end of the extrusion material barrel, and the material pressing plate is located over the feeding hopper; a mounting support is arranged on one side of the machine table, and a cutting mechanism capable of adjusting the position is arranged on the mounting support. The material pressing air cylinder is additionally arranged, the material pressing air cylinder can drive the material pressing plate to be pressed in the feeding hopper to extrude materials, and the extrusion speed of the materials can be increased. And the cutting mechanism has the position adjusting function, the cutter can be conveniently disassembled and assembled, the tedious step of overall disassembling of the cutting mechanism is omitted, and the cutter changing speed is higher.

Description

Technical Field

[0001] The utility model relates to processing equipment for plastic or rubber materials, in particular to a pelletizing extruder. Background Art

[0002] The extruder mainly includes a barrel, in which an extrusion screw driven by a motor is arranged. The upper side of one end of the barrel is connected with a feed hopper, and the other end of the barrel is connected with an extrusion die. The extrusion die can extrude the raw material into a strip shape, and then the pelletizing equipment is used for pelletizing.

[0003] However, the existing pelletizing equipment is fixed at the discharge end of the barrel. When the blade needs to be replaced, the whole pelletizing mechanism needs to be disassembled before the blade can be replaced, and then the pelletizing mechanism needs to be installed after the replacement, resulting in cumbersome knife-changing steps. Summary of the Invention

[0004] In order to overcome the defects and deficiencies existing in the prior art, the purpose of the utility model is to provide a pelletizing extruder.

[0005] The purpose of the utility model is realized by the following technical solutions: A pelletizing extruder includes a machine table, on which an extrusion barrel is arranged. An extrusion screw is arranged in the extrusion barrel and is driven to rotate by a driving component. One end of the extrusion barrel is provided with an extrusion die, and the other end of the extrusion barrel is provided with a bracket. An L-shaped support arm is arranged on the bracket, and a pressing cylinder is arranged on the support arm. A pressing plate is arranged at the piston rod end of the pressing cylinder. A feed hopper is arranged at the upper end of the extrusion barrel, and the pressing plate is located directly above the feed hopper. An installation bracket is arranged on one side of the machine table, and a cutting mechanism capable of adjusting the position is arranged on the installation bracket. The pressing cylinder can drive the pressing plate to press in the feed hopper to extrude the material, which can accelerate the extrusion speed of the material.

[0006] As an improvement of the pelletizing extruder of the utility model, the cutting mechanism includes a motor mounting plate and an adjusting bottom plate. Position adjusting holes are respectively arranged on both sides of the motor mounting plate, and support plates are respectively arranged on both sides of the adjusting bottom plate. Screw holes are arranged on the support plates. The position adjusting holes are in a long strip shape, and adjusting screws pass through the position adjusting holes and are screwed in the screw holes. A cutting motor is arranged on the motor mounting plate, and a cutting knife is arranged on the output shaft of the cutting motor.

[0007] As an improvement of the granulating extruder of the present utility model, the bottom of the adjusting base plate is connected to the linear guide rail through a slider, the linear guide rail is installed on the mounting bracket, the adjusting base plate is provided with positioning screws, and the positioning screws can pass through the slider and abut against the linear guide rail; loosening the positioning screws can move the adjusting base plate. The adjusting base plate can slide on the linear guide rail, and by adjusting the position of the adjusting base plate, the cutting knife can be withdrawn from the cutting box, which is convenient for disassembling and replacing the cutting knife.

[0008] As an improvement of the granulating extruder of the present utility model, a cutting box is further provided on the mounting bracket, a blanking hopper is provided at the bottom of the cutting box, the outer side of the extrusion die is accommodated in the cutting box, and the cutting knife extends into the cutting box.

[0009] As an improvement of the granulating extruder of the present utility model, a cooling box is wrapped around the outer side of the extrusion barrel, a plurality of heat dissipation fans are arranged at intervals in the cooling box, and the heat dissipation fans can cool down the extrusion barrel.

[0010] As an improvement of the granulating extruder of the present utility model, a cylinder control switch is provided on one side of the support arm;

[0011] When the cylinder control switch rotates 90 degrees clockwise, the piston rod of the pressure feeding cylinder drives the pressure feeding plate to press in the feeding hopper;

[0012] When the cylinder control switch rotates 90 degrees counterclockwise, the piston rod of the pressure feeding cylinder resets.

[0013] As an improvement of the granulating extruder of the present utility model, a control box is further provided on the machine table, and the control box controls the operating states of the driving assembly and the cutting mechanism.

[0014] The beneficial effects of the present utility model are as follows: The present utility model adds a pressure feeding cylinder, and the pressure feeding cylinder can drive the pressure feeding plate to press in the feeding hopper to extrude the material, which can accelerate the extrusion speed of the material. The cutting mechanism has the function of position adjustment, which is convenient for disassembling and installing the cutting knife, eliminating the cumbersome steps of overall disassembly of the cutting mechanism, and the tool change speed is faster. Description of the Drawings

[0015] Figure 1 is the perspective view of the present utility model;

[0016] Figure 2 is the front view of the present utility model;

[0017] Figure 3 is the side view of the present utility model;

[0018] The reference numerals are: 1, machine table; 2, extrusion barrel; 3, extrusion screw; 4, bracket; 5, support arm; 6, material pressing cylinder; 7, material pressing plate; 8, feeding hopper; 9, mounting bracket; 10, cutting mechanism; 11, motor mounting plate; 12, adjusting bottom plate; 13, position adjusting hole; 14, support plate; 15, adjusting screw; 16, cutting motor; 17, linear guide rail; 18, positioning screw; 19, cutting box; 20, blanking hopper; 21, cooling box; 22, cooling fan; 23, cylinder control switch; 24, control box; 25, slider. Detailed implementation manners

[0019] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0020] It should be noted that all the directional indications (such as up, down, left, right, front, back,...) in the embodiments of the present invention are only used to explain the relative positional relationship and movement conditions between components in a specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indications will also change accordingly.

[0021] In addition, the descriptions involving "first", "second", etc. in the present invention are only for descriptive purposes, and cannot be understood as indicating or implying their relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In addition, the technical solutions between various embodiments can be combined with each other, but it must be based on the fact that those of ordinary skill in the art can implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the protection scope required by the present invention.

[0022] As Figures 1-3As shown in the figure, a pelletizing extruder includes a machine platform 1. An extrusion barrel 2 is provided on the machine platform 1. An extrusion screw 3 is arranged inside the extrusion barrel. The extrusion screw 3 is driven to rotate by a driving component (not shown in the figure). An extrusion die is provided at one end of the extrusion barrel 2, and a bracket 4 is provided at the other end of the extrusion barrel 2. An L-shaped support arm 5 is provided on the bracket 4. A pressing cylinder 6 is provided on the support arm 5. A pressing plate 7 is provided at the piston rod end of the pressing cylinder 6. A feeding hopper 8 is provided at the upper end of the extrusion barrel 2. The pressing plate 7 is located directly above the feeding hopper 8. An installation bracket 9 is provided on one side of the machine platform 1, and a cutting mechanism 10 capable of adjusting its position is provided on the installation bracket 9. The pressing cylinder 6 can drive the pressing plate 7 to press on the feeding hopper 8 to extrude the material, which can accelerate the extrusion speed of the material.

[0023] Preferably, the cutting mechanism 10 includes a motor mounting plate 11 and an adjustment bottom plate 12. Position adjustment holes 13 are respectively provided on both sides of the motor mounting plate 11. Support plates 14 are respectively provided on both sides of the adjustment bottom plate 12. Screw holes are provided on the support plates 14. The position adjustment holes 13 are in the shape of long strips. The position adjustment holes 13 are penetrated by adjustment screws 15, and the adjustment screws 15 are screwed into the screw holes. A cutting motor 16 is provided on the motor mounting plate 11, and a cutting knife is provided on the output shaft of the cutting motor 16.

[0024] Preferably, the bottom of the adjustment bottom plate 12 is connected to a linear guide rail 17 through a slider 25. The linear guide rail 17 is installed on the installation bracket 9. A positioning screw 18 is provided on the adjustment bottom plate 12. The positioning screw 18 can pass through the slider 25 and abut against the linear guide rail 17. Loosening the positioning screw 18 can move the adjustment bottom plate 12. The adjustment bottom plate 12 can slide on the linear guide rail 17. By adjusting the position of the adjustment bottom plate 12, the cutting knife can be withdrawn from the cutting box 19, which is convenient for disassembling and replacing the cutting knife.

[0025] Preferably, a cutting box 19 is further provided on the installation bracket 9. A blanking hopper 20 is provided at the bottom of the cutting box 19. The outer side of the extrusion die is accommodated in the cutting box 19, and the cutting knife extends into the cutting box 19.

[0026] Preferably, the outer side of the extrusion barrel 2 is wrapped with a cooling box 21. A plurality of heat dissipation fans 22 are provided at intervals in the cooling box 21. The heat dissipation fans 22 can cool down the extrusion barrel.

[0027] Preferably, a cylinder control switch 23 is provided on one side of the support arm 5. When the cylinder control switch 23 rotates 90 degrees clockwise, the pressing cylinder 6 controls the piston rod to drive the pressing plate 7 to press on the feeding hopper 8. When the cylinder control switch 23 rotates 90 degrees counterclockwise, the pressing cylinder 6 controls the piston rod to reset.

[0028] Preferably, a control box 24 is further provided on the machine platform 1. The control box 24 controls the operating states of the driving component and the cutting mechanism 10.

[0029] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and structures of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalent scope.

Claims

1. A pelletizing extruder, comprising a machine platform, an extrusion barrel is arranged on the machine platform, an extrusion screw is arranged in the extrusion barrel, the extrusion screw is driven to rotate by a driving assembly, an extrusion die is arranged at one end of the extrusion barrel, and the characteristics are as follows: A bracket is provided at the other end of the extrusion barrel, an L-shaped support arm is provided on the bracket, a pressing cylinder is provided on the support arm, a pressing plate is provided at the piston rod end of the pressing cylinder, a feed hopper is provided at the upper end of the extrusion barrel, and the pressing plate is located directly above the feed hopper; a mounting bracket is provided on one side of the machine, and a cutting mechanism with adjustable position is provided on the mounting bracket.

2. The pelletizing extruder according to claim 1, characterized in that The cutting mechanism includes a motor mounting plate and an adjusting base plate, position adjustment holes are respectively provided on both sides of the motor mounting plate, support plates are respectively provided on both sides of the adjusting base plate, screw holes are provided on the support plates, the position adjustment holes are in the shape of long strips, adjustment screws are passed through the position adjustment holes, and the adjustment screws are screwed into the screw holes, a cutting motor is provided on the motor mounting plate, and a cutter is provided on the output shaft of the cutting motor.

3. The pelletizing extruder according to claim 2, characterized in that The bottom of the adjustment base plate is connected to the linear guide rail through a slider, and the linear guide rail is installed on the mounting bracket. A positioning screw is provided on the adjustment base plate, and the positioning screw can pass through the slider and abut against the linear guide rail; loosening the positioning screw can move the adjustment base plate.

4. The pelletizing extruder according to claim 2, characterized in that A cutting box is also provided on the mounting bracket, a material drop hopper is provided at the bottom of the cutting box, the outer side of the extrusion die is accommodated in the cutting box, and the cutter extends into the cutting box.

5. The pelletizing extruder according to claim 2, characterized in that The outer side surface of the extrusion barrel is wrapped with a cooling box, and a plurality of cooling fans are arranged at intervals in the cooling box. The cooling fans can cool the extrusion barrel.

6. The pelletizing extruder according to claim 1, characterized in that A cylinder control switch is provided on one side of the support arm; When the cylinder control switch rotates 90 degrees clockwise, the press cylinder controls the piston rod to drive the press plate to press into the feed hopper; When the cylinder control switch rotates 90 degrees counterclockwise, the pressing cylinder controls the piston rod to reset.

7. The pelletizing extruder according to claim 1, characterized in that The machine platform is also provided with a control box, and the control box controls the operating states of the driving assembly and the cutting mechanism.

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