CN218227776U - Double-screw extruder for plastic product molding - Google Patents

Abstract

The utility model discloses a double screw extruder is used in plastic products shaping relates to double screw extruder technical field, specifically is a double screw extruder is used in plastic products shaping, including the conveying pipe, the right side fixed mounting of conveying pipe has the drive structure, the top fixedly connected with connecting pipe of conveying pipe, the top fixed mounting of connecting pipe has the storage silo, the fixed cover of inner chamber of connecting pipe is equipped with the backing sheet, the top surface fixedly connected with supporting spring of backing sheet. According to the feeding device, the connecting pipe is connected above the feeding pipe, the supporting sheet is fixed in the inner cavity of the connecting pipe in a sleeved mode, the supporting sheet is connected with the plugging block through the supporting spring, the plugging ring is sleeved in the inner cavity of the connecting pipe in a matched mode, when the feeding device is used, downward feeding of inner cavity raw materials of the storage bin can be limited through the plugging ring and the plugging block, the feeding device is convenient to use, and meanwhile the blanking speed can be limited through the matching of the plugging block and the plugging ring.

Description

Double-screw extruder for plastic product molding

Technical Field

The application relates to the technical field of double-screw extruders, in particular to a double-screw extruder for forming plastic products.

Background

Twin-screw extruders have been developed based on single-screw extruders, and have been widely used for molding extruded products due to their excellent feeding, mixing and plasticizing, venting, and extrusion stability characteristics, and twin-screw extruders for profile extrusion are usually tightly meshed and counter-rotating, although a few of them are also used in co-rotating twin-screw extrusion, and generally operate at a relatively low screw speed of about 10r/min, and mesh at high speed with co-rotating twin-screw extrusion for compounding, venting, or as a continuous chemical reactor, and the maximum screw speed of such extruders is in the range of 300-600r/min.

In the use process of the double-screw extruder, the feeding groove of the upper screw extruder adopts a spiral falling mode, when the double-screw extruder is fed, the blanking speed of the feeding groove is usually determined by the inclination of the spiral, and the blanking speed is difficult to control in the blanking process.

SUMMERY OF THE UTILITY MODEL

In view of the above problems, the present application proposes a twin-screw extruder for molding plastic articles to improve the above problems.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a double screw extruder for plastic products shaping, includes the conveying pipe, the right side fixed mounting of conveying pipe has the drive structure, the top fixedly connected with connecting pipe of conveying pipe, the top fixed mounting of connecting pipe has the storage silo, the fixed cover in inner chamber of connecting pipe is equipped with the backing sheet, the top surface fixedly connected with supporting spring of backing sheet, supporting spring's top fixed mounting has the shutoff piece, the fixed cover in inner chamber of connecting pipe is equipped with the shutoff ring, the fixed cover in outside on storage silo top is equipped with upper bracket, the fixed cover in inner chamber of storage silo is equipped with the lower bracket.

Optionally, the inside movable sleeve of under bracing frame and upper support frame is equipped with the support double-screw bolt, the outside movable sleeve of support double-screw bolt is equipped with the ball piece, the fixed cover in outside of ball piece is equipped with the clamp plate, press switch is installed to the top of under bracing frame, the outside fixed mounting of storage silo has buzzing siren, and buzzing siren passes through the wire and connects press switch.

Optionally, the plugging block is conical, the plugging ring is located above the plugging block, and the top end of the plugging block extends to the upper side of the plugging ring.

Optionally, the inner cavity of the feeding pipe and the inner cavity of the connecting pipe are communicated with each other, and the inner cavity of the connecting pipe and the inner cavity of the storage bin are communicated with each other.

Optionally, the upper support frame is fixedly connected with a servo motor, and the bottom end of the output shaft of the servo motor is fixedly connected with the top end of the support stud.

Optionally, the outer side of the pressing plate is attached to the inner side of the feeding pipe, and the pressing plate is movably sleeved in the inner cavity of the feeding pipe.

The application provides a pair of double screw extruder is used in plastic products shaping possesses following beneficial effect:

1. this application is through connecting the connecting pipe in the top of conveying pipe, makes the fixed suit backing sheet of inner chamber of connecting pipe, utilizes supporting spring to connect the shutoff piece on the backing sheet, and the shutoff ring at the connecting pipe inner chamber of cooperation suit can utilize shutoff ring and the downward pay-off of inner chamber raw materials of shutoff piece restriction storage silo when using, and the use of the convenience device, simultaneously, the speed of unloading can be restricted in the cooperation of shutoff piece and shutoff ring.

2. This application is through the cooperation of the lower carriage of the upper bracket of storage silo top and inner chamber, the installation supports the double-screw bolt, make ball silk piece activity suit in the outside of supporting the double-screw bolt, make things convenient for the lift of control clamp plate, the speed of convenient control unloading and the material loading of storage silo inner chamber, utilize the cooperation of the external buzzing siren of press switch and storage silo of lower carriage top simultaneously, can be when storage silo inner chamber raw materials is not enough, carry out the police dispatch newspaper, the convenient timely material loading of staff of reminding.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 shows a schematic structural diagram of the present application;

FIG. 2 shows a schematic view of the present application in split configuration;

FIG. 3 shows a schematic view of the connection tube structure of the present application;

fig. 4 shows a schematic view of the platen structure of the present application.

In the figure: 1. a feed pipe; 2. a drive structure; 3. a connecting pipe; 4. a storage bin; 5. a support sheet; 6. a support spring; 7. a plugging block; 8. a plugging ring; 9. an upper support frame; 10. a lower support frame; 11. a support stud; 12. a ball screw block; 13. pressing a plate; 14. pressing a switch; 15. a buzzer alarm; 16. a servo motor.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Referring to fig. 1 to 3, the present invention provides a technical solution: a double-screw extruder for plastic product molding comprises a feeding pipe 1, a driving structure 2 is fixedly installed on the right side of the feeding pipe 1, a connecting pipe 3 is fixedly connected above the feeding pipe 1, the inner cavity of the feeding pipe 1 and the inner cavity of the connecting pipe 3 are communicated with each other, the inner cavity of the connecting pipe 3 and the inner cavity of a storage bin 4 are communicated with each other, the melting and feeding of raw materials can be completed by utilizing the matching of the feeding pipe 1 and the driving structure 2, the use of a device is facilitated, the feeding of the device is facilitated, the storage bin 4 is arranged to play a role of storing materials, the connecting pipe 3 connecting the storage bin 4 and the feeding pipe 1 plays a role of limiting the communication and opening states of the feeding pipe 1 and the storage bin 4 when in use, the storage bin 4 is fixedly installed at the top end of the connecting pipe 3, a supporting sheet 5 is fixedly sleeved on the inner cavity of the connecting pipe 3, a supporting spring 6 is fixedly connected with the top surface of the supporting sheet 5, a plugging block 7 is fixedly installed at the top end of the supporting spring 6, the plugging block 7 is conical, the plugging ring 8 is positioned above the plugging block 7, the top end of the plugging block 7 extends to the upper part of the plugging ring 8, so that the raw material extrudes the plugging block 7, the raw material pushes the plugging block 7 downwards, the supporting spring 6 is in a compressed state, the raw material falls, the falling speed of the raw material facilitates the use of the device, meanwhile, the arrangement of the supporting spring 6 plays a role in plugging the plugging block 7 and the plugging ring 8, the matching of the plugging block 7 and the plugging ring 8 is conveniently utilized to limit the blanking speed, meanwhile, the pressure matching of the pressing plate 13 is utilized to play the role of controlling the blanking of the device, the plugging ring 8 is fixedly sleeved in the inner cavity of the connecting pipe 3, the upper supporting frame 9 is fixedly sleeved on the outer part at the top end of the storage bin 4, the lower supporting frame 10 is fixedly sleeved in the inner cavity of the storage bin 4, and the arrangement of the lower supporting frame 10 and the upper supporting frame 9, the device can play a role in supporting the support stud 11, is convenient to use, and simultaneously the upper support frame 9 and the lower support frame 10 respectively play a role in supporting the servo motor 16 and the press switch 14.

Referring to fig. 4, a support stud 11 is movably sleeved inside a lower support frame 10 and an upper support frame 9, a servo motor 16 is fixedly connected above the upper support frame 9, the bottom end of an output shaft of the servo motor 16 is fixedly connected with the top end of the support stud 11, the output shaft of the servo motor 16 is controlled to control the rotation of the support stud 11, a ball screw block 12 outside the support stud 11 is controlled to move upwards by the rotation of the support stud 11, the ball screw block 12 drives a pressing plate 13 to move upwards, the pressing plate 13 moves to the upper side of a storage bin 4, so that the storage bin 4 is convenient to be used for loading and storing materials, a ball screw block 12 is movably sleeved outside the support stud 11, the pressing plate 13 is fixedly sleeved outside the ball screw block 12, the outer side of the pressing plate 13 is attached to the inner side of a feeding pipe 1, the pressing plate 13 is movably sleeved inside the inner cavity of the feeding pipe 1, the output shaft of the servo motor 16 is controlled to drive the support stud 11 to rotate reversely, the ball screw block 12 moves downwards to press the raw materials downwards, the raw materials are pressed downwards by the sealing block 7, the sealing block 7 is pushed downwards, the support spring 6 is in a compressed state, the lower support switch is controlled to enable the lower support frame to be in a state, a working state, a buzzer 14, a working state that a working switch 14 is controlled to prevent a raw material from being pressed by a buzzer 14, a wire, a working switch 14, and a buzzer 14, a working switch 14, and a working switch 14, a working switch is controlled to trigger device, and a buzzer 14, the buzzer 14, which can effectively prevent a working switch from mistaken pressing switch from being pressed, and a working switch from being mistaken pressing switch, and a working switch, and a buzzer 14, the buzzer 14 is mounted above the buzzer 14, the buzzer 14 is mounted in a working process of a working switch.

In summary, in the twin-screw extruder for forming plastic products provided by the present application, when in use, the output shaft of the servo motor 16 is controlled to control the support stud 11 to rotate, the rotation of the support stud 11 is used to control the ball screw block 12 outside the support stud 11 to move upwards, so that the ball screw block 12 drives the pressing plate 13 to move upwards, so that the pressing plate 13 moves to the upper side of the storage bin 4, then the raw material is fed into the inner cavity of the storage bin 4, the output shaft of the servo motor 16 is controlled to drive the support stud 11 to rotate reversely, so that the support stud 11 drives the ball screw block 12 to move downwards, so that the ball screw block 12 presses the raw material downwards, then the raw material extrudes the blocking block 7, so that the raw material pushes the blocking block 7 downwards, the support spring 6 is in a compressed state, so that the raw material falls, the falling speed of the raw material can be controlled according to the rotation speed of the servo motor 16, and then, in the feeding process, after the bottom surface of the ball screw block 12 touches the press switch 14, the storage block 12 continues to press the press switch 14 downwards, so that the press switch 14 to alarm of the inner cavity of the bin 4 in time, and the alarm can be given to the alarm 4.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not necessarily depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.

Claims (6)

1. The utility model provides a double screw extruder is used in plastic products shaping, includes conveying pipe (1), the right side fixed mounting of conveying pipe (1) has drive structure (2), the top fixedly connected with connecting pipe (3) of conveying pipe (1), the top fixed mounting of connecting pipe (3) has storage silo (4), its characterized in that: the fixed cover in inner chamber of connecting pipe (3) is equipped with backing sheet (5), the top surface fixedly connected with supporting spring (6) of backing sheet (5), the top fixed mounting of supporting spring (6) has plugging block (7), the fixed cover in inner chamber of connecting pipe (3) is equipped with shutoff ring (8), the fixed cover in outside on storage silo (4) top is equipped with support frame (9), the fixed cover in inner chamber of storage silo (4) is equipped with under bracing frame (10).

2. The twin-screw extruder for molding plastic articles as claimed in claim 1, wherein: the inside movable sleeve of under bracing frame (10) and upper bracing frame (9) is equipped with support stud (11), the outside movable sleeve of support stud (11) is equipped with ball silk piece (12), the outside fixed sleeve of ball silk piece (12) is equipped with clamp plate (13), press switch (14) are installed to the top of under bracing frame (10), the outside fixed mounting of storage silo (4) has buzzing siren (15), and buzzing siren (15) pass through wire connection press switch (14).

3. The twin-screw extruder for molding plastic articles as claimed in claim 1, wherein: the plugging block (7) is conical, the plugging ring (8) is located above the plugging block (7), and the top end of the plugging block (7) extends to the upper side of the plugging ring (8).

4. The twin-screw extruder for molding plastic articles as claimed in claim 1, wherein: the inner cavity of the feeding pipe (1) is communicated with the inner cavity of the connecting pipe (3), and the inner cavity of the connecting pipe (3) is communicated with the inner cavity of the storage bin (4).

5. The twin-screw extruder for molding plastic articles as claimed in claim 2, wherein: the upper portion of the upper supporting frame (9) is fixedly connected with a servo motor (16), and the bottom end of an output shaft of the servo motor (16) is fixedly connected with the top end of the supporting stud (11).

6. The twin-screw extruder for molding plastic articles as claimed in claim 2, wherein: the outer side of the pressing plate (13) is attached to the inner side of the feeding pipe (1), and the pressing plate (13) is movably sleeved in the inner cavity of the feeding pipe (1).

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