Anti-blocking melt extrusion equipment for polyethylene terephthalate production

Abstract

The utility model relates to the technical field of polyethylene terephthalate production, in particular to anti-blocking melt extrusion equipment for polyethylene terephthalate production, and aims to solve the technical problems that when melt extrusion equipment is used, raw materials need to be conveyed into an extrusion barrel through a pipeline, and the melt extrusion barrel is inconvenient to use. However, when most melt extrusion equipment for polyethylene terephthalate production is used, a blanking pipeline is often easy to block, so that the blanking process is not smooth, the use is relatively inconvenient, and the normal use of the equipment is influenced; according to the technical scheme, the anti-blocking melt extrusion equipment for polyethylene terephthalate production comprises a supporting assembly, an extrusion assembly, a discharging assembly, a lifting assembly, a connecting assembly and an anti-blocking assembly; compared with the traditional melt extrusion equipment and the condition that the blanking pipeline is easy to block, the quantity of raw materials in the blanking hopper is flexibly controlled in a quantity-controlled blanking manner, and the raw materials are continuously stirred, so that the blockage of the raw materials is effectively avoided, the smooth blanking is ensured, and the practical value of the equipment is enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of polyethylene terephthalate production, in particular to anti-blocking melt extrusion equipment used in polyethylene terephthalate production. Background Art

[0002] Polyethylene terephthalate is a thermoplastic polymer widely used in various industrial and consumer products. Polyethylene terephthalate has many excellent physical and chemical properties, including high strength, good heat resistance, chemical resistance, transparency and electrical insulation. Therefore, polyethylene terephthalate is widely used in the manufacture of various products. When producing polyethylene terephthalate, it is necessary to use melt extrusion equipment for processing. When using melt extrusion equipment, it is necessary to transport the raw materials to the extrusion barrel through a pipeline. However, most of the melt extrusion equipment used for the production of polyethylene terephthalate often has a discharge pipeline that is prone to blockage during use. Utility Model Content

[0003] In order to overcome the problem that most anti-blocking melt extrusion equipment used in the production of polyethylene terephthalate is prone to blockage in the feed pipe, resulting in an unsmooth feed process, inconvenience in use, and affecting the normal use of the equipment.

[0004] The technical solution of the utility model is: a blockage-proof melt extrusion device for polyethylene terephthalate production, comprising an extrusion barrel, a support component, an extrusion component, a blanking component, a lifting component, a connecting component and an anti-blocking component; a support component is arranged below the extrusion barrel, an extrusion component is arranged inside the extrusion barrel, a blanking component is arranged above the extrusion barrel, a lifting component is arranged inside the blanking component, a connecting component is arranged at one end of the lifting component, and an anti-blocking component is arranged on the bottom surface of the connecting component.

[0005] Preferably, a support assembly is provided to support and fix the extrusion barrel to ensure stable operation of the extrusion barrel, the extrusion barrel is fixedly connected to the feeding assembly, the production raw materials are transported to the extrusion barrel through the feeding assembly, the height of the connecting assembly is adjusted by the lifting assembly during the feeding process, the anti-blocking assembly is connected and fixed by the connecting assembly, the material is stirred by the anti-blocking assembly to avoid material blockage during feeding, and the material is extruded through the extrusion barrel, thereby realizing flexible control of the amount of raw materials in the feeding hopper, and constantly stirring the raw materials, effectively avoiding raw material blockage, ensuring the smooth feeding effect, and enhancing the practical value of the equipment.

[0006] Preferably, the support assembly includes a base and support columns; a base is arranged below the extrusion barrel, support columns are arranged on the bottom surface of the base, and multiple groups of support columns are arranged; the extrusion barrel is installed and fixed by the base, and the base is supported and fixed by the support columns, thereby ensuring stable operation and use of the extrusion barrel.

[0007] Preferably, the extrusion assembly includes an extrusion screw, an extrusion motor, a discharge pipe and a feed pipe; an extrusion screw is arranged inside the extrusion barrel, and the extrusion screw and the extrusion barrel are rotatably connected to each other, an extrusion motor is arranged at one end of the outer side of the extrusion barrel, and the output end of the extrusion motor is connected to the extrusion screw, a discharge pipe is arranged at the other end of the extrusion barrel, and a feed pipe is arranged at the top of one end of the extrusion barrel, and the feed pipe and the extrusion barrel are connected to each other; the extrusion screw is driven to rotate by the extrusion motor, and the extrusion screw is rotated to extrude the material in the extrusion barrel, the extruded material is discharged by the discharge pipe, and the material is transported to the extrusion barrel through the feed pipe.

[0008] Preferably, the material discharge assembly includes a storage barrel, a feed hopper and a lower hopper; a storage barrel is arranged above one end of the extrusion barrel, a feed hopper is arranged on the top of the storage barrel, a lower hopper is arranged on the bottom of the storage barrel, and the bottom of the lower hopper is interconnected with the top of the feed pipe; the raw materials are poured into the storage barrel through the feed hopper, the storage barrel is used to store the raw materials, and the raw materials are transported to the feed pipe through the lower hopper.

[0009] Preferably, the lifting assembly includes a first connecting rod, a first fixed block and an electric telescopic rod; a first connecting rod is arranged inside the extrusion barrel, and multiple groups of the first connecting rods are arranged, a first fixed block is arranged at one end of the first connecting rod, and an electric telescopic rod is arranged on the bottom of the first fixed block; the first fixed block is connected and fixed by the first connecting rod, and the electric telescopic rod is fixedly connected by the first fixed block, wherein the top of the first fixed block is a conical structure, which effectively avoids the accumulation of raw materials, and the height of the connecting assembly is flexibly adjusted by telescoping the electric telescopic rod.

[0010] Preferably, the connecting assembly includes a second fixed block, a second connecting rod and a conical baffle; a second fixed block is provided at one end of the electric telescopic rod, a second connecting rod is provided on the outside of the second fixed block, the second connecting rod is provided with multiple groups, a conical baffle is provided at one end of the second connecting rod, and the conical baffle is interlocked with the middle part of the lower hopper; the second connecting rod is fixedly connected by the second fixed block, the second connecting rod is used to connect and support the conical baffle, and the lower hopper is flexibly blocked by the conical baffle, thereby achieving the effect of flexibly adjusting the discharge amount of the lower hopper.

[0011] Preferably, the anti-blocking component includes an anti-blocking screw and an anti-blocking motor; an anti-blocking screw is arranged on the bottom surface of the conical baffle, the anti-blocking screw and the conical baffle are rotatably connected to each other, an anti-blocking motor is arranged on the top of the conical baffle, and the output end of the anti-blocking motor is connected to the anti-blocking screw; the anti-blocking screw is driven to rotate by the anti-blocking motor, and the anti-blocking screw is rotated to stir the raw materials in the feed pipe, thereby effectively preventing the raw materials in the feed pipe from being blocked.

[0012] Beneficial effects of the utility model:

[0013] 1. Compared with the traditional melt extrusion equipment used for the production of polyethylene terephthalate, most of them use the feeding pipe to transport raw materials. The feeding pipe is often easily blocked during use, resulting in an unsmooth feeding process and inconvenience during use. Through the method of controlled feeding, the amount of raw materials in the feeding hopper can be flexibly controlled, and the raw materials can be continuously stirred to effectively avoid raw material blockage, ensure smooth feeding, and enhance the practical value of the equipment;

[0014] 2. When unloading, the first fixed block is connected and fixed by the first connecting rod, and the electric telescopic rod is fixedly connected by the first fixing block. The conical structure on the top of the first fixing block is used to prevent the accumulation of raw materials. The electric telescopic rod is retracted to flexibly adjust the height of the round table baffle. The second fixed block is fixed by the electric telescopic rod, and the second fixing block is connected to the second connecting rod, so as to stably connect and support the round table baffle. The round table baffle is flexibly blocked to effectively control the amount of raw materials in the unloading hopper. The anti-blocking motor drives the anti-blocking screw to rotate, and the anti-blocking screw is rotated to stir the raw materials in the feed pipe, so as to solve the problem that the unloading pipe of most melt extrusion equipment is easily blocked, and ensure the normal use of the equipment;

[0015] 3. When extruding raw materials, use the support column to support the fixed base, install and fix the extrusion barrel through the base to ensure the stable operation of the extrusion barrel, pour the raw materials into the storage barrel through the feed hopper, and convey the raw materials to the feed pipe through the lower hopper. Use the feed pipe to discharge the raw materials into the extrusion barrel, and use the extrusion motor to drive the extrusion screw to rotate. Rotate the extrusion screw to extrude the material in the extrusion barrel, and use the discharge pipe to discharge the extruded material, thereby ensuring the normal extrusion of the raw materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 What is shown is a three-dimensional structural schematic diagram of a blockage-proof melt extrusion device for polyethylene terephthalate production according to the utility model;

[0017] Figure 2 The present invention shows a schematic diagram of the three-dimensional structure of a support component for a polyethylene terephthalate production anti-blocking melt extrusion device;

[0018] Figure 3 The present invention shows a schematic diagram of the three-dimensional structure of an extrusion component of a melt extrusion device for preventing blockage in the production of polyethylene terephthalate;

[0019] Figure 4 Shown is a three-dimensional structural schematic diagram of an anti-blocking component of the utility model for anti-blocking melt extrusion equipment in the production of polyethylene terephthalate.

[0020] Explanation of the reference numerals in the accompanying drawings: 1. extrusion barrel; 2. support assembly; 3. extrusion assembly; 4. discharge assembly; 5. lifting assembly; 6. connection assembly; 7. anti-blocking assembly; 201. base; 202. support column; 301. extrusion screw; 302. extrusion motor; 303. discharge pipe; 304. feed pipe; 401. storage barrel; 402. feed hopper; 403. discharge hopper; 501. first connecting rod; 502. first fixed block; 503. electric telescopic rod; 601. second fixed block; 602. second connecting rod; 603. frustum baffle; 701. anti-blocking screw; 702. anti-blocking motor. DETAILED DESCRIPTION

[0021] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0022] See also Figure 1 The utility model provides an embodiment: a blockage-proof melt extrusion device for polyethylene terephthalate production, comprising an extrusion barrel 1, a support component 2, an extrusion component 3, a blanking component 4, a lifting component 5, a connecting component 6 and an anti-blocking component 7; the support component 2 is arranged below the extrusion barrel 1, the extrusion component 3 is arranged inside the extrusion barrel 1, the blanking component 4 is arranged above the extrusion barrel 1, the lifting component 5 is arranged inside the blanking component 4, the connecting component 6 is arranged at one end of the lifting component 5, and the anti-blocking component 7 is arranged on the bottom surface of the connecting component 6.

[0023] See also Figure 2-3 In this embodiment, the support assembly 2 includes a base 201 and a support column 202; a base 201 is provided below the extrusion barrel 1, and a support column 202 is provided on the bottom surface of the base 201. There are multiple groups of support columns 202. The extrusion barrel 1 is fixedly mounted through the base 201, and the base 201 is supported and fixed by the support column 202, so as to ensure the stable operation of the extrusion barrel 1; the extrusion assembly 3 includes an extrusion screw 301, an extrusion motor 302, a discharge pipe 303 and a feed pipe 304; an extrusion screw 301 is provided inside the extrusion barrel 1, and the extrusion screw 301 It is rotatably connected with the extrusion barrel 1, an extrusion motor 302 is provided at one end of the outer side of the extrusion barrel 1, the output end of the extrusion motor 302 is connected to the extrusion screw 301, a discharge pipe 303 is provided at the other end of the extrusion barrel 1, a feed pipe 304 is provided at the top of one end of the extrusion barrel 1, the feed pipe 304 and the extrusion barrel 1 are interconnected, the extrusion screw 301 is driven to rotate by the extrusion motor 302, the extrusion screw 301 is rotated to extrude the material in the extrusion barrel 1, the extruded material is discharged by the discharge pipe 303, and the material is transported to the extrusion barrel 1 through the feed pipe 304.

[0024] See also Figure 4In this embodiment, the material discharge assembly 4 includes a storage barrel 401, a feed hopper 402 and a lower hopper 403; a storage barrel 401 is arranged above one end of the extrusion barrel 1, a feed hopper 402 is arranged on the top of the storage barrel 401, and a lower hopper 403 is arranged on the bottom of the storage barrel 401. The bottom surface of the lower hopper 403 is connected with the top of the feed pipe 304. The raw material is poured into the storage barrel 401 through the feed hopper 402, the raw material is stored in the storage barrel 401, and the raw material is transported to the feed pipe 304 through the lower hopper 403; the lifting assembly 5 includes a first connecting rod 501, a first fixed rod 502, and a first fixed rod 503. Fixed block 502 and electric telescopic rod 503; a first connecting rod 501 is arranged inside the extrusion barrel 1, and the first connecting rod 501 is provided with multiple groups, a first fixed block 502 is arranged at one end of the first connecting rod 501, and an electric telescopic rod 503 is arranged on the bottom surface of the first fixed block 502, the first fixed block 502 is connected and fixed by the first connecting rod 501, and the electric telescopic rod 503 is fixedly connected by the first fixed block 502, wherein the top of the first fixed block 502 is a conical structure, which effectively avoids the accumulation of raw materials, and the height of the connecting component 6 is flexibly adjusted by telescoping the electric telescopic rod 503;

[0025] The connecting assembly 6 includes a second fixed block 601, a second connecting rod 602 and a truncated cone baffle 603; a second fixed block 601 is provided at one end of the electric telescopic rod 503, a second connecting rod 602 is provided on the outer side of the second fixed block 601, the second connecting rod 602 is provided with multiple groups, a truncated cone baffle 603 is provided at one end of the second connecting rod 602, the truncated cone baffle 603 is mutually embedded with the middle part of the lower hopper 403, the second connecting rod 602 is fixedly connected by the second fixed block 601, the truncated cone baffle 603 is connected and supported by the second connecting rod 602, and the lower hopper is flexibly blocked by the truncated cone baffle 603 403, thereby achieving the effect of flexibly adjusting the discharge amount of the discharge hopper 403; the anti-blocking component 7 includes an anti-blocking screw 701 and an anti-blocking motor 702; the bottom surface of the truncated cone baffle 603 is provided with an anti-blocking screw 701, the anti-blocking screw 701 and the truncated cone baffle 603 are rotatably connected to each other, and the top of the truncated cone baffle 603 is provided with an anti-blocking motor 702, and the output end of the anti-blocking motor 702 is connected to the anti-blocking screw 701, and the anti-blocking screw 701 is driven to rotate by the anti-blocking motor 702, and the anti-blocking screw 701 is rotated to stir the raw materials in the feed pipe 304, thereby effectively avoiding the blockage of the raw materials in the feed pipe 304.

[0026] When unloading, the raw material is poured into the storage barrel 401 through the feed hopper 402, and the first fixed block 502 is connected and fixed by the first connecting rod 501, and the electric telescopic rod 503 on the first fixed block 502 is retracted, thereby raising the second fixed block 601, so that the round table baffle 603 on the second connecting rod 602 is raised synchronously, so that the raw material passes through the unloading hopper 403 and enters the feed pipe 304. At the same time, the anti-blocking motor 702 is used to drive the anti-blocking screw 701 to rotate, and the anti-blocking screw 701 is rotated to stir the raw material in the feed pipe 304;

[0027] When there is a lot of raw materials in the feed pipe 304, the electric telescopic rod 503 is extended to adjust the height of the truncated plate baffle 603 so that the truncated plate baffle 603 blocks the lower hopper 403. At the same time, the anti-blocking motor 702 drives the anti-blocking screw 701 to rotate continuously, and after the raw materials in the lower hopper 403 are emptied, the truncated plate baffle 603 is raised to allow the raw materials to enter the lower hopper 403.

[0028] When extruding raw materials, the support column 202 is used to support the fixed base 201, and the extrusion barrel 1 is installed and fixed through the base 201. The raw material enters the extrusion barrel 1 through the feed pipe 304. Then, the extrusion screw 301 is driven to rotate by the extrusion motor 302, and the extrusion screw 301 is rotated to extrude the material in the extrusion barrel 1 from the discharge pipe 303.

[0029] Through the above steps, the support component 2 is set to support and fix the extrusion barrel 1 to ensure stable operation of the extrusion barrel 1, the extrusion barrel 1 is fixedly connected to the feeding component 4, and the production raw materials are transported to the extrusion barrel 1 through the feeding component 4. During the feeding process, the lifting component 5 is used to adjust the height of the connecting component 6, and the anti-blocking component 7 is connected and fixed through the connecting component 6. The anti-blocking component 7 is used to stir the material to avoid material blockage during feeding, and the material is extruded through the extrusion barrel 1.

[0030] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.

Claims

1. A blockage-proof melt extrusion device for polyethylene terephthalate production, comprising an extrusion barrel (1); characterized in that: It also comprises a support component (2), an extrusion component (3), a material discharge component (4), a lifting component (5), a connection component (6) and an anti-blocking component (7); the support component (2) is arranged below the extrusion barrel (1), the extrusion component (3) is arranged inside the extrusion barrel (1), the material discharge component (4) is arranged above the extrusion barrel (1), the lifting component (5) is arranged inside the material discharge component (4), the connection component (6) is arranged at one end of the lifting component (5), and the anti-blocking component (7) is arranged on the bottom surface of the connection component (6).

2. The anti-blocking melt extrusion equipment for polyethylene terephthalate production according to claim 1, characterized in that: The support assembly (2) comprises a base (201) and support columns (202); the base (201) is arranged below the extrusion barrel (1), the support columns (202) are arranged on the bottom surface of the base (201), and the support columns (202) are arranged in multiple groups.

3. The anti-blocking melt extrusion equipment for polyethylene terephthalate production according to claim 1, characterized in that: The extrusion assembly (3) comprises an extrusion screw (301), an extrusion motor (302), a discharge pipe (303) and a feed pipe (304); an extrusion screw (301) is arranged inside the extrusion barrel (1), the extrusion screw (301) and the extrusion barrel (1) are rotatably connected to each other, an extrusion motor (302) is arranged at one end outside the extrusion barrel (1), the output end of the extrusion motor (302) and the extrusion screw (301) are connected to each other, a discharge pipe (303) is arranged at the other end of the extrusion barrel (1), a feed pipe (304) is arranged at the top of one end of the extrusion barrel (1), and the feed pipe (304) and the extrusion barrel (1) are connected to each other.

4. The anti-blocking melt extrusion equipment for polyethylene terephthalate production according to claim 3, characterized in that: The material discharge assembly (4) comprises a material storage barrel (401), a material feed hopper (402) and a material discharge hopper (403); the material storage barrel (401) is arranged above one end of the extrusion barrel (1), the material feed hopper (402) is arranged at the top of the material storage barrel (401), and the material discharge hopper (403) is arranged at the bottom of the material storage barrel (401); the bottom surface of the material discharge hopper (403) and the top of the material feed pipe (304) are interconnected.

5. The anti-blocking melt extrusion equipment for polyethylene terephthalate production according to claim 4, characterized in that: The lifting assembly (5) comprises a first connecting rod (501), a first fixing block (502) and an electric telescopic rod (503); the first connecting rod (501) is arranged inside the extrusion barrel (1), and the first connecting rod (501) is provided in multiple groups; a first fixing block (502) is arranged at one end of the first connecting rod (501), and the electric telescopic rod (503) is arranged on the bottom surface of the first fixing block (502).

6. The anti-blocking melt extrusion equipment for polyethylene terephthalate production according to claim 5, characterized in that: The connecting assembly (6) comprises a second fixed block (601), a second connecting rod (602) and a truncated cone baffle (603); the second fixed block (601) is arranged at one end of the electric telescopic rod (503), the second connecting rod (602) is arranged outside the second fixed block (601), the second connecting rod (602) is arranged in multiple groups, and the truncated cone baffle (603) is arranged at one end of the second connecting rod (602), and the truncated cone baffle (603) is mutually embedded with the middle part of the lower hopper (403).

7. The anti-blocking melt extrusion equipment for polyethylene terephthalate production according to claim 6, characterized in that: The anti-blocking assembly (7) comprises an anti-blocking screw (701) and an anti-blocking motor (702); the anti-blocking screw (701) is arranged on the bottom surface of the truncated cone baffle (603), the anti-blocking screw (701) and the truncated cone baffle (603) are rotatably connected to each other, the anti-blocking motor (702) is arranged on the top of the truncated cone baffle (603), and the output end of the anti-blocking motor (702) is connected to the anti-blocking screw (701).

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