Feeding mechanism of PVC double-screw extruder

Abstract

The utility model discloses a feeding mechanism of a PVC (polyvinyl chloride) double-screw extruder, which relates to the technical field of double-screw extruders and comprises a feeding hopper and a feeding inclined hopper, the feeding inclined hopper is arranged at the lower part of the feeding hopper, two vibrating components are arranged at the end part of the feeding hopper, each vibrating component comprises a motor, a spring and a swinging block, the swinging block is connected with the motor, and the motor is connected with the spring. And upper and lower ends of the motor are connected with springs. According to the feeding mechanism of the PVC double-screw extruder, raw materials in the feeding hopper and the feeding inclined hopper are mixed through the arrangement of the vibrating component and the mixing component, blockage in the hoppers is avoided, the production efficiency is improved, meanwhile, the labor intensity of workers is relieved, blockage is relieved without manual vibration, meanwhile, the feeding inclined hopper can be cleaned, and the production cost is reduced. And meanwhile, the cleanness of the mechanism is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to double screw extruder technical field especially is concerned with a kind of feeding mechanism of PVC double screw extruder. BACKGROUND

[0002] Double screw extruder is developed on the basis of single screw extruder, and has been widely applied in the forming processing of extruded products due to good feeding performance, mixing plasticizing performance, exhaust performance, extrusion stability and other characteristics.Double screw extruder is composed of transmission device, feeding device, barrel and screw, and the functions of each component are similar to those of single screw extruder.The existing double screw extruder is prone to blockage during feeding, which affects the normal use of the machine.Usually, workers rescue the blockage problem by hitting the feeding hopper, but this method is time-consuming and inefficient. SUMMARY

[0003] The utility model aims at providing a kind of feeding mechanism of PVC double screw extruder, solve the problem of easy blockage and inefficient treatment method of double screw extruder feeding mechanism in prior art.

[0004] To achieve the above-mentioned purpose, the utility model provides a kind of feeding mechanism of PVC double screw extruder, including feeding hopper and feeding hopper, the feeding hopper is arranged in the lower part of the feeding hopper, the end of the feeding hopper is equipped with vibration component, the vibration component is provided with two, the vibration component includes motor, spring and swing block, the swing block is connected with the motor, and the upper and lower ends of the motor are connected with the spring.

[0005] Preferably, the spring is connected with the vibration frame through the connecting seat, one end of the vibration frame is connected with the protective cover, the other end of the vibration frame is connected with the vibration plate, and the vibration plate is connected with the feeding hopper.

[0006] Preferably, the swing block is provided with two, and the two swing blocks are movably connected with the motor, and the two swing blocks are eccentrically arranged.

[0007] Preferably, one end of the motor away from the vibration plate is connected with the vibration frame through the connecting rod, and the vibration frame is connected with the connecting rod through the rotating shaft.

[0008] Preferably, a motor one is arranged at the upper part of the feeding hopper, the motor one is connected with the driving shaft, the driving shaft is arranged in the feeding hopper, and the bottom of the driving shaft is connected with the mixing component through the connecting shaft.

[0009] Preferably, the mixing component includes stirring roller and scraper, the scraper is connected with the stirring roller, and the stirring roller and the scraper are circumferentially distributed about the connecting shaft.

[0010] Preferably, the scraper is provided with an adhesive block in a circular arc structure.

[0011] Therefore, the feeding mechanism of the PVC double-screw extruder has the following beneficial effects:

[0012] (1) The raw materials in the feeding hopper and the feeding inclined hopper are mixed by the vibration component and the mixing component, so as to avoid blockage in the hopper, improve production efficiency, reduce labor intensity of workers, and avoid manual vibration to relieve blockage.

[0013] (2) The feeding hopper is vibrated by the motor and the swing block, so as to avoid blockage of the feeding hopper.

[0014] (3) The feeding inclined hopper is stirred and cleaned by the stirring shaft and the scraper, so as to improve utilization of raw materials and ensure cleanliness of the mechanism.

[0015] The technical scheme of the utility model will be further described in detail below with reference to the drawings and embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 FIG. 1 is a structural schematic view of an embodiment of the feeding mechanism of the PVC double-screw extruder of the utility model;

[0017] Fig. 2 FIG. 2 is a structural schematic view of a vibration component of the feeding mechanism of the PVC double-screw extruder of the utility model;

[0018] Fig. 3 FIG. 3 is a structural schematic view of a driving shaft of the feeding mechanism of the PVC double-screw extruder of the utility model;

[0019] REFERENCE NUMERALS

[0020] 1, feeding hopper; 2, feeding inclined hopper; 3, vibration component; 31, vibration frame; 32, vibration plate; 33, swing block; 34, motor; 35, connecting seat; 36, spring; 37, rotating shaft; 38, connecting rod; 4, motor one; 5, driving shaft; 6, connecting shaft; 7, adhesive block; 8, scraper. DETAILED DESCRIPTION

[0021] The technical scheme of the utility model will be further described in detail below with reference to the drawings and embodiments.

[0022] Unless otherwise defined, technical terms or scientific terms used in the present application shall have the ordinary meaning as understood by a person of ordinary skill in the art to which the present application pertains. The terms "first", "second", and similar terms used in the present application do not denote any order, quantity, or importance, but are used to distinguish different components. The terms "comprise", "include", and similar terms mean that the elements or objects before the term encompass the elements or objects listed after the term and their equivalents, without excluding other elements or objects. The terms "connect" or "connected" and similar terms do not mean only physical or mechanical connections, but can include electrical connections, whether direct or indirect. The terms "upper", "lower", "left", "right", and the like are used only to indicate relative positional relationships, which can change when the absolute positions of the described objects change.

[0023] Embodiment

[0024] Please refer to Figs. 1-3 The present application provides a feeding mechanism of a PVC double-screw extruder, which comprises a feeding hopper 1 and a feeding chute 2. The feeding chute 2 is arranged at the lower part of the feeding hopper 1. The end of the feeding hopper 1 is provided with a vibrating component 3. The vibrating component 3 is arranged to avoid blockage in the feeding hopper 1 and ensure smooth feeding in the feeding hopper 1.

[0025] The vibrating component 3 is provided with two vibrating components 3. The vibrating component 3 comprises a motor 34, a spring 36, and a swing block 33. The swing block 33 is connected to the motor 34. The swing block 33 is provided with two swing blocks 33, which are both movably connected to the motor 34. The motor 34 drives the swing block 33 to move, thereby driving the vibrating component 3 to move and vibrating the feeding hopper 1 to achieve the purpose of vibrating and discharging. The two swing blocks 33 are both eccentrically arranged. The end of the motor 34 away from the vibrating plate 32 is connected to the vibrating frame 31 through a connecting rod 38. The vibrating frame 31 is connected to the connecting rod 38 through a rotating shaft 37. The rotating shaft 37 is connected to the vibrating frame 31 through a protection seat. The force received by the motor 34 is reduced through the cooperation of the protection rod 38 and the rotating shaft 37. The upper and lower ends of the motor 34 are connected to the spring 36, which plays a buffering protection role. The spring 36 is connected to the vibrating frame 31 through a connecting seat 35. One end of the vibrating frame 31 is connected to a protection cover, and the other end of the vibrating frame 31 is connected to the vibrating plate 32. The vibrating plate 32 strikes the feeding hopper 1, thereby achieving the purpose of vibrating the feeding hopper 1. The vibrating plate 32 is connected to the feeding hopper 1.

[0026] The upper portion of the feeding hopper 1 is provided with a motor 4, the motor 4 is connected with a driving shaft 5, the motor 4 drives the driving shaft 5 to rotate in the feeding hopper 2, the driving shaft 5 is arranged in the feeding hopper 2, and the bottom of the driving shaft 5 is connected with a mixing component through a connecting shaft 6.

[0027] Therefore, the feeding mechanism of the PVC double-screw extruder is adopted, the raw materials in the feeding hopper and the feeding hopper are mixed through the vibration component and the mixing component, the blockage in the feeding hopper is avoided, the production efficiency is improved, the labor intensity of workers is reduced, and the blockage is relieved without manual vibration.

[0028] Finally, it should be noted that: the above examples are only used to illustrate the technical solutions of the utility model and not to limit them, although the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that: the technical solutions of the utility model can still be modified or replaced, and these modifications or replacements cannot make the modified technical solutions deviate from the spirit and scope of the technical solutions of the utility model.

Claims

1. A feeding mechanism of a PVC twin-screw extruder, characterized by: Including a feeding hopper and a feeding chute, the feeding chute is arranged at the lower part of the feeding hopper, the end of the feeding hopper is provided with a vibrating part, the vibrating part is provided with two, the vibrating part includes a motor, a spring and a swing block, the swing block is connected with the motor, the upper and lower ends of the motor are connected with the spring.

2. The feeding mechanism of a PVC twin-screw extruder according to claim 1, characterized in that: The spring is connected with a vibrating frame through a connecting seat, one end of the vibrating frame is connected with a protective cover, the other end of the vibrating frame is connected with a vibrating plate, the vibrating plate is connected with the feeding hopper.

3. The feeding mechanism of a PVC twin-screw extruder according to claim 2, characterized in that: The swing block is provided with two, the two swing blocks are movably connected with the motor, and the two swing blocks are eccentrically arranged.

4. The feeding mechanism of a PVC twin-screw extruder according to claim 3, characterized in that: The end of the motor away from the vibrating plate is connected with the vibrating frame through a connecting rod, and the vibrating frame is connected with the connecting rod through a rotating shaft.

5. The feeding mechanism of a PVC twin-screw extruder according to claim 4, wherein: The upper part of the feeding hopper is provided with a motor one, the motor one is connected with a driving shaft, the driving shaft is arranged in the feeding chute, and the bottom of the driving shaft is connected with a mixing part through a connecting shaft.

6. The feeding mechanism of a PVC twin-screw extruder according to claim 5, wherein: The mixing part includes a stirring roller and a scraper, the scraper is connected with the stirring roller, and the stirring roller and the scraper are circumferentially distributed about the connecting shaft.

7. The feeding mechanism of a PVC twin-screw extruder according to claim 6, characterized in that: The scraper is provided with a sticky block, and the sticky block is arranged in a circular arc structure.

Images