Extrusion molding equipment for plastic production

Abstract

The utility model discloses extrusion molding equipment for plastic production, which belongs to the technical field of extrusion molding and comprises a bottom plate, a plastic extruding machine is arranged above the bottom plate, a feed hopper is arranged on one side of the top of the plastic extruding machine, an extrusion molding die head is mounted at the outlet end of the plastic extruding machine, and a shape fixing die shell is arranged on one side of the extrusion molding die head. A fixing base is arranged on one side of the plastic extruding machine, a closed shell is arranged between the fixing base and the shape fixing mold shell, conveying clamping strips are arranged on the two sides of the inner periphery of the closed shell, driving structures are arranged on the inner peripheries of the conveying clamping strips, a movable side plate is arranged on the side, away from the plastic extruding machine, of the top of the bottom plate, and a shaping rod is connected to one side of the movable side plate. And a shape fixing rod is correspondingly arranged at one end of the shaping rod. According to the extrusion molding equipment for plastic production, through center shape fixing of the rod body and clamping and matching of the conveying clamping strips, the machining quality can be greatly improved, and a plastic pipe body can be automatically taken out.

Description

Technical Field

[0001] The utility model belongs to the technical field of extrusion molding, in particular to an extrusion molding device for plastic production. Background Art

[0002] Extruder is an important plastic machine. Most of the production and manufacturing of plastic products can be realized by extrusion molding. The extruder motor is an important part of the extruder and is the prime mover of the extruder. It provides the large thrust required by the extruder screw. Existing plastic pipe parts are generally shaped by molds after extrusion molding by extrusion equipment. Sometimes, during the processing of plastic pipes, due to temperature or other reasons, the wall thickness of the plastic pipes will be different.

[0003] The publication number is CN220095488U, which is an extrusion molding machine for polystyrene board production. The motor and the heating wire are controlled by the PLC controller to operate simultaneously. The polystyrene board raw material in the material cylinder enters the extrusion cylinder. At this time, the motor output shaft rotates, driving the rotating rod and the spiral sheet to rotate synchronously, thereby transporting the polystyrene board raw material to the right. During this period, the heating wire is produced and heat is transferred through the heat transfer plate to heat the transported polystyrene board raw material, so that the polystyrene board raw material is melted. The molten polystyrene board raw material is squeezed into the die head and finally extruded by the die head, which greatly improves the efficiency of extrusion molding during polystyrene board production. However, it cannot adapt to the processing of plastic pipe bodies. Utility Model Content

[0004] The purpose of the utility model is to provide an extrusion molding device for plastic production to solve the problems raised in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an extrusion molding equipment for plastic production, comprising a base plate, an extruder is arranged above the base plate, and a feed hopper is arranged on one side of the top of the extruder, an extrusion die is installed at the outlet end of the extruder, and a solid mold shell is arranged on one side of the extrusion die, a fixed seat is arranged on one side of the extruder, and a closed shell is arranged between the fixed seat and the solid mold shell, conveying clamps are arranged on both sides of the inner periphery of the closed shell, and a driving structure is arranged on the inner periphery of the conveying clamps, a movable side plate is arranged on the side of the top of the base plate away from the extruder, and a shaping rod is connected to one side of the movable side plate, and a shaping rod is arranged at one end of the shaping rod correspondingly.

[0006] In a further embodiment, one end of the solid rod passes through the fixing seat, the closing shell and the solid mold shell, and the passing end of the solid rod is connected to the center thread of the extrusion die.

[0007] In a further embodiment, the solid mold shell and the closed shell are both assembled from two half shells and fixed by bolts.

[0008] In a further embodiment, the driving structure is composed of a conveyor belt and two transmission wheels, and the outer periphery of the conveyor belt is fixed to the inner wall of the conveyor clamping strip.

[0009] In a further embodiment, the delivery clamp is made of a soft material with memory, such as silicone.

[0010] In a further embodiment, the two transmission wheels are arranged at the inner ends of the conveyor belt, and the center of one of the transmission wheels is connected to a driving motor.

[0011] In a further embodiment, a pushing plate is provided on the outer periphery of the shaping rod, and an airbag portion is provided between the pushing plate and the movable side plate.

[0012] In a further embodiment, an air pump connected to the airbag portion is installed on one side of the movable side plate, and a linear motor for driving the movable side plate to move is embedded on the top of the bottom plate.

[0013] Compared with the prior art, the technical effects and advantages of the utility model are as follows:

[0014] The cooperation between the two driving wheels and the conveyor belt and the connection design between the outer periphery of the conveyor belt and the conveyor clamping strip, the notch design on the outer periphery of the conveyor clamping strip and the design of the notch matching the external plastic pipe body, and the connection design between the driving motor and the center of the driving wheel, when the driving motor is running, it can not only transport the plastic pipe body, but also play a role in assisting shaping and improving the quality;

[0015] The matching design between the fixing rod and the inner circumference of the plastic tube body and the corresponding design of the shaping rod can further assist shaping. Through the connection between the linear motor and the movable side plate and the connection between the shaping rod and the movable side plate, the design of the pushing plate and the airbag part and the connection design between the air pump and the airbag can further realize the function of pushing and automatically withdrawing the plastic tube body.

[0016] The extrusion molding equipment for plastic production can greatly improve the processing quality through the central solidification of the rod body and the clamping and matching of the conveying clamp strip, and can automatically take out the plastic pipe body. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 For the utility model Figure 1 A magnified view of the structure at center A;

[0020] Figure 3 This is an exploded view of the extrusion die head and the solid mold shell of the utility model;

[0021] Figure 4 It is a schematic diagram of the connection structure of the movable side plate of the utility model.

[0022] Description of reference numerals:

[0023] 1. Bottom plate; 2. Extruder; 3. Feed hopper; 4. Extrusion die head; 5. Solid mold shell; 6. Fixed seat; 7. Closing shell; 8. Conveying clamping strip; 9. Moving side plate; 10. Linear motor; 11. Forming rod; 12. Solid rod; 13. Limiting frame;

[0024] 21. Conveyor belt; 22. Transmission wheel; 23. Driving motor;

[0025] 31. Push plate; 32. Air bag unit; 33. Air pump. DETAILED DESCRIPTION

[0026] In the following description, a large number of specific details are given to provide a more thorough understanding of the utility model. However, it is obvious to those skilled in the art that the utility model can be implemented without one or more of these details. In other examples, in order to avoid confusion with the utility model, some technical features known in the art are not described.

[0027] Unless otherwise defined, the directions of up, down, left, right, front, back, inside and outside involved in this document are based on the directions of up, down, left, right, front, back, inside and outside in the figures shown in the present utility model, and are explained here together.

[0028] The connection method can be bonding, welding, bolt connection, etc., depending on actual needs.

[0029] See also Figures 1 to 4 The general structure of the device body is a bottom plate 1, an extruder 2, and a fixed seat 6. A feeding hopper 3 for feeding is arranged on the top of the extruder 2, an extrusion die 4 is installed at the port of the extruder 2, and a spiral extrusion rod, a heating device, etc. are arranged inside the extruder 2. This is the existing technology, so it will not be repeated here;

[0030] A solid mold shell 5 is provided at one end of the extrusion die 4, and the solid mold shell 5 is adapted to the extrusion die 4. This section is mainly used for cooling and shaping the plastic pipe body. A fixed seat 6 is provided on one side of the extruder 2. A hole is opened in the center of the fixed seat 6 to facilitate the plastic pipe body to pass through. The hole and the extrusion die 4 are in the same horizontal plane.

[0031] See also Figure 2 and Figure 3 In order to realize auxiliary shaping and conveying, a closed shell 7 is arranged between the fixed seat 6 and the solid mold shell 5, and a conveyor belt 21 is arranged on the upper and lower halves of the closed shell 7. Both ends of the inner periphery of the conveyor belt 21 are provided with a transmission wheel 22, and the center of the transmission wheel 22 is rotatably connected to the inner wall of the closed shell 7 through a central axis;

[0032] Two driving motors 23 are installed on one side of the closed shell 7. The driving end of the driving motor 23 penetrates the closed shell 7 and is connected to the central axis of the transmission wheel 22. The outer periphery of the conveyor belt 21 is connected to a conveying clamp 8. A notch is opened in the center of the outer periphery of the conveying clamp 8 so that the upper and lower conveying clamps 8 fit together. The two notches form a circular cavity, which is adapted to the plastic tube body.

[0033] The center of the extrusion die 4 is connected to a fixing rod 12 by bolts. The outer periphery of the fixing rod 12 is adapted to the inner ring of the plastic tube body. The fixing rod 12 passes between two conveying clamps 8 and through the fixing seat 6. It should be noted here that a cutting device needs to be installed on one side of the fixing seat 6 for cutting the plastic tube body.

[0034] See also Figure 2 and Figure 4 In order to realize automatic tube withdrawal, a linear motor 10 is embedded on the top of the bottom plate 1 away from the extruder 2, and the moving end of the linear motor 10 is connected to the moving side plate 9, and one side of the moving side plate 9 is connected to the shaping rod 11;

[0035] The fixing rod 12 is adapted to the shaping rod 11, and a pushing plate 31 is provided on the periphery of the shaping rod 11. A sealing component is provided at the penetration point between the pushing plate 31 and the shaping rod 11. An airbag part 32 is connected between one side of the pushing plate 31 and the movable side plate 9. A limiting frame 13 is provided on the periphery of the pushing plate 31 so that a limit is formed when the pushing plate 31 moves. An air pump 33 connected to the airbag part 32 is installed on one side of the movable side plate 9.

[0036] The solid mold shell 5 and the closed shell 7 are both assembled from two half shells, and the two half shells are fixed by bolts.

[0037] The electrical equipment of the above-mentioned components are all existing technologies or existing feasible technologies. The working principles, sizes and models are irrelevant to the functions of this application, so they are not described in detail, and they are all controlled by remote control switches.

[0038] How it works

[0039] The extrusion molding equipment for plastic production starts the extruder 2, and the material passes through the extrusion die head 4 to be extruded and molded. After molding, it passes through the solid mold shell 5 to achieve shaping. After shaping, the plastic tube body is between two conveying clamps 8;

[0040] The driving motor 23 is started to drive the transmission wheel 22 to rotate, so that the conveyor belt 21 rotates, so that the plastic tube body is solidified and conveyed in a rotating manner;

[0041] During the movement of the plastic tube, it will always be located at the periphery of the fixing rod 12 and pass through the shaping rod 11. The linear motor 10 is started to drive the moving side plate 9 to move a certain distance, so that the shaping rod 11 is separated from the fixing rod 12. The external cutting device is started to cut it off.

[0042] After cutting, the linear motor 10 is started again to move to the extreme side, and the air pump 33 is operated to inflate the airbag part 32, so that the push plate 31 moves, and further pushes the plastic tube body to separate from the shaping rod 11, so that automatic removal can be achieved.

[0043] It should be noted that, in this article, relational terms such as one and two are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions. The sentence "includes an element defined by ... does not exclude the existence of other identical elements in the process, method, article or device including the element".

[0044] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An extrusion molding device for plastic production, comprising a base plate (1), an extruder (2) is arranged above the base plate (1), and a feed hopper (3) is arranged on one side of the top of the extruder (2); Features: An extrusion die (4) is installed at the outlet end of the extruder (2), and a solid mold shell (5) is arranged on one side of the extrusion die (4); a fixed seat (6) is arranged on one side of the extruder (2), and a closed shell (7) is arranged between the fixed seat (6) and the solid mold shell (5); conveying clamps (8) are arranged on both sides of the inner periphery of the closed shell (7), and a driving structure is arranged on the inner periphery of the conveying clamps (8); a movable side plate (9) is arranged on the side of the top of the bottom plate (1) away from the extruder (2), and a shaping rod (11) is connected to one side of the movable side plate (9), and a solid shaping rod (12) is arranged at one end of the shaping rod (11).

2. The extrusion molding equipment for plastic production according to claim 1, characterized in that: One end of the solid rod (12) passes through the fixing seat (6), the closing shell (7) and the solid mold shell (5), and the passing end of the solid rod (12) is connected to the center thread of the extrusion die head (4).

3. The extrusion molding equipment for plastic production according to claim 1, characterized in that: The solid mold shell (5) and the closed shell (7) are both assembled from two half shells and fixed together by bolts.

4. The extrusion molding equipment for plastic production according to claim 1, characterized in that: The driving structure is composed of a conveyor belt (21) and two transmission wheels (22), and the outer periphery of the conveyor belt (21) is fixed to the inner wall of the conveyor clamping strip (8).

5. The extrusion molding equipment for plastic production according to claim 4, characterized in that: The conveying clamp (8) is made of a soft material with memory, such as silica gel.

6. The extrusion molding equipment for plastic production according to claim 4, characterized in that: The two transmission wheels (22) are arranged at the inner two ends of the conveyor belt (21), and the center of one of the transmission wheels (22) is connected to a driving motor (23).

7. The extrusion molding equipment for plastic production according to claim 1, characterized in that: A pushing plate (31) is arranged on the outer periphery of the shaping rod (11), and an air bag portion (32) is arranged between the pushing plate (31) and the movable side plate (9).

8. The extrusion molding equipment for plastic production according to claim 7, characterized in that: An air pump (33) connected to the air bag portion (32) is installed on one side of the movable side plate (9), and a linear motor (10) for driving the movable side plate (9) to move is embedded on the top of the bottom plate (1).

9. The extrusion molding equipment for plastic production according to claim 1, characterized in that: A circular notch is provided at the center of the outer periphery of the conveying clamping strip (8).

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