A high-stretch pet sheet co-extruder

Abstract

The utility model discloses a kind of high tensile PET sheet co-extrusion extruders, specifically relates to PET sheet processing technical field, including high tensile PET sheet processing dissolving material ware, the upper and lower ends of the high tensile PET sheet processing dissolving material ware are provided with sheet co-extrusion auxiliary device, the sheet co-extrusion auxiliary device includes: blanking assembly and extrusion pressurizing component.The utility model passes through a kind of high tensile PET sheet co-extrusion extruder, upper top material sealing ring plate, first electric hydraulic cylinder, second electric hydraulic cylinder, third electric hydraulic cylinder, front blocking seal plate, blanking passage, lower scraping block and extrusion head drive retract to original position, realize the closed work to the both sides of blanking passage, the extrusion pressurizing component of being set mutually telescopic cooperation blanking auxiliary work, the practicability and use convenience of entire device are improved, the problem that the first feeding pipe and the second feeding pipe inside blanking complete, resulting in blanking production raw material waste.

Description

Technical Field

[0001] This utility model relates to the field of PET sheet processing technology, and more specifically, to a high-strength PET sheet co-extrusion extruder. Background Technology

[0002] PET material, commonly known as polyester resin, is the most important type of thermoplastic polyester. PET is divided into fiber-grade polyester chips and non-fiber-grade polyester chips. Fiber-grade polyester is used to manufacture polyester staple fibers and polyester filaments, serving as raw material for polyester fiber companies to process fibers and related products. Polyester is the largest-volume variety of synthetic fiber. Non-fiber-grade polyester also has applications in bottles, films, etc., and is widely used in the packaging industry, electronics, medical and health, construction, automotive, and other fields. Packaging is the largest non-fiber application market for polyester and also the fastest-growing sector for PET.

[0003] Existing high-quality PET sheets are extruded using an extruder, which generates waste during the extrusion process. The waste from PET sheets used in food packaging products cannot be reused, and the inability to recycle increases the production cost of PET sheets. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, the present invention provides a high-strength PET sheet co-extrusion extruder to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a high-strength PET sheet co-extrusion extruder, comprising a high-strength PET sheet processing melter, wherein the high-strength PET sheet processing melter is provided with sheet co-extrusion auxiliary devices at its upper and lower ends, and the sheet co-extrusion auxiliary devices include: a feeding assembly and an extrusion pressurizing assembly, wherein the extrusion pressurizing assembly is disposed on the inner and outer walls of the side of the feeding assembly.

[0006] In a preferred embodiment, the feeding assembly includes: a first feeding pipe, a second feeding pipe, a first discharging pipe, and a second discharging pipe, wherein the upper ends of the second discharging pipe and the first discharging pipe are respectively installed at the lower end of the high-strength PET sheet processing melter.

[0007] In a preferred embodiment, the extrusion pressurization assembly includes: an upper ejector sealing ring plate, a first electric hydraulic cylinder, a second electric hydraulic cylinder, a third electric hydraulic cylinder, a front guard sealing plate, a feeding channel, a lower scraper block, an extrusion head, a rear positioning plate, a temporary storage channel, and a front channel. The rear end of the front channel is installed on the inner and outer walls of the side of the feeding channel, one end of the temporary storage channel is installed on the inner and outer walls of the other side of the feeding channel, and the rear end of the temporary storage channel is installed at the other end of the temporary storage channel.

[0008] In a preferred embodiment, the upper end of the high-strength PET sheet processing melter is installed at the lower end of the first feeding pipe and the second feeding pipe.

[0009] In a preferred embodiment, the output end of the second electro-hydraulic cylinder is installed at the lower end of the lower scraper block, the lower end of the lower scraper block is installed at the upper end of the extrusion head, one side of the second electro-hydraulic cylinder is installed at the output end of the first electro-hydraulic cylinder, and the front end of the first electro-hydraulic cylinder is installed on the outer wall of the front end of the rear positioning plate.

[0010] In a preferred embodiment, the rear end of the third electro-hydraulic cylinder is mounted on the output end of the second electro-hydraulic cylinder, and the output end of the third electro-hydraulic cylinder is mounted on the rear end of the front guard seal plate.

[0011] In a preferred embodiment, the feeding channel is provided in two sets, and the two sets of feeding channels start at the upper and lower ends of the first feeding pipe and the second feeding pipe, respectively. The extrusion pressurization assembly is provided in two sets.

[0012] The technical effects and advantages of this utility model are as follows:

[0013] A high-strength PET sheet co-extrusion extruder, compared with the prior art, features an internally mounted upper material sealing ring plate, a first electric hydraulic cylinder, a second electric hydraulic cylinder, a third electric hydraulic cylinder, a front guard sealing plate, a feeding channel, a lower scraper block, and an extrusion head that retract to their original positions after the feeding channel completes feeding. This achieves the sealing of both sides of the feeding channel. The device also improves the practicality and ease of use of the entire device through the mutual extension and retraction of the extrusion pressurization components, solving the problem of excessive material waste caused by the complete feeding of the first and second feeding pipes. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0015] Figure 2 This is a schematic diagram of the sheet co-extrusion auxiliary device of this utility model.

[0016] Figure 3 This is a schematic diagram of the feeding component structure of this utility model.

[0017] Figure 4 This is a schematic diagram of the extrusion pressurization component of this utility model.

[0018] The attached figures are labeled as follows: 1. High-strength PET sheet processing melter; 2. Sheet co-extrusion auxiliary device; 21. Feeding assembly; 211. First feeding pipe; 212. First feeding pipe; 213. Second feeding pipe; 214. Second feeding pipe; 22. Extrusion pressurization assembly; 221. Feeding channel; 222. Upper ejector sealing ring plate; 223. Temporary storage channel; 224. Front channel; 225. Rear positioning plate; 226. First electric hydraulic cylinder; 227. Lower scraper block; 228. Second electric hydraulic cylinder; 220. Front guard sealing plate; 2201. Third electric hydraulic cylinder; 2202. Extrusion head. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] As attached Figure 1-4 As shown, this utility model provides a high-strength PET sheet co-extrusion extruder, including a high-strength PET sheet processing melter 1. The high-strength PET sheet processing melter 1 is provided with sheet co-extrusion auxiliary devices 2 at its upper and lower ends. The sheet co-extrusion auxiliary device 2 includes a feeding assembly 21 and an extrusion pressurizing assembly 22. The extrusion pressurizing assembly 22 is provided on the inner and outer walls of the side of the feeding assembly 21.

[0021] The feeding assembly 21 includes: a first feeding pipe 211, a second feeding pipe 214, a first discharging pipe 212, and a second discharging pipe 213. The upper ends of the second discharging pipe 213 and the first discharging pipe 212 are respectively installed at the lower end of the high-strength PET sheet processing melter 1. The upper end of the high-strength PET sheet processing melter 1 is installed at the lower end of the first feeding pipe 211 and the second feeding pipe 214.

[0022] The extrusion pressurization assembly 22 includes: an upper ejector sealing ring plate 222, a first electric hydraulic cylinder 226, a second electric hydraulic cylinder 228, a third electric hydraulic cylinder 2201, a front guard sealing plate 220, a discharge channel 221, a lower scraper block 227, an extrusion head 2202, a rear positioning plate 225, a temporary storage channel 223, and a front channel 224. The rear end of the front channel 224 is installed on the inner and outer walls of the side of the discharge channel 221. One end of the temporary storage channel 223 is installed on the inner and outer walls of the other side of the discharge channel 221, and the rear end of the temporary storage channel 223 is installed at the other end. The output end of the second electric hydraulic cylinder 228 is installed on the lower scraper block. The lower end of block 227 is installed on the upper end of extrusion head 2202. The second electric hydraulic cylinder 228 is installed on one side of the output end of the first electric hydraulic cylinder 226. The front end of the first electric hydraulic cylinder 226 is installed on the front outer wall of the rear positioning plate 225. The rear end of the third electric hydraulic cylinder 2201 is installed on the output end of the second electric hydraulic cylinder 228. The output end of the third electric hydraulic cylinder 2201 is installed on the rear end of the front guard seal plate 220. Two sets of feeding channels 221 are provided, and the two sets of feeding channels 221 start at the upper and lower ends of the first feeding pipe 211 and the second feeding pipe 214, respectively. Two sets of extrusion pressurization components 22 are provided.

[0023] The specific implementation method is as follows: When using this utility model, the first electric hydraulic cylinder 226, the second electric hydraulic cylinder 228, and the third electric hydraulic cylinder 2201 need to be started sequentially. After the first electric hydraulic cylinder 226, the second electric hydraulic cylinder 228, and the third electric hydraulic cylinder 2201 are started, they respectively drive the front guard sealing plate 220 installed at the output end to move back and forth and the lower scraper block 227 to move up and down. After the lower end of the lower scraper block 227 moves to the lower end of the material feeding channel 221, the second electric hydraulic cylinder 228 installed at the output end drives it to move down, which can perform scraping assistance work inside the material feeding channel 221. After the material is unloaded, the internally installed upper material sealing ring plate 222, first electric hydraulic cylinder 226, second electric hydraulic cylinder 228, third electric hydraulic cylinder 2201, front guard sealing plate 220, unloading channel 221, lower scraper block 227 and extrusion head 2202 are driven to retract to their original positions, thereby sealing both sides of the unloading channel 221. The device uses the extrusion pressurization components 22 to extend and retract in coordination to assist in the unloading process, which greatly improves the practicality and ease of use of the entire device and solves the problem of excessive material waste caused by the complete unloading inside the first feeding pipe 211 and the second feeding pipe 214.

[0024] The working principle of this utility model is as follows: When using this utility model, the first electric hydraulic cylinder 226, the second electric hydraulic cylinder 228, and the third electric hydraulic cylinder 2201 need to be started in sequence. After the first electric hydraulic cylinder 226, the second electric hydraulic cylinder 228, and the third electric hydraulic cylinder 2201 are started, they respectively drive the front guard sealing plate 220 installed at the output end to move back and forth and the lower scraper block 227 to move up and down. After the lower end of the lower scraper block 227 moves to the lower end of the material feeding channel 221, the second electric hydraulic cylinder installed at the output end... The downward movement of drive 228 can assist in scraping the material inside the feeding channel 221. After the feeding channel 221 finishes feeding, the upper material sealing ring plate 222, the first electric hydraulic cylinder 226, the second electric hydraulic cylinder 228, the third electric hydraulic cylinder 2201, the front guard sealing plate 220, the feeding channel 221, the lower scraper block 227 and the extrusion head 2202 are driven to retract to their original positions, thereby sealing both sides of the feeding channel 221. This device assists in feeding by mutually extending and retracting the extrusion pressurization components 22.

[0025] Finally, the following points should be noted: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installation", "connection", and "linkage" should be interpreted broadly, and can be mechanical or electrical connections, or internal connections between two components, or direct connections. "Up", "down", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may change.

[0026] Secondly: The accompanying drawings of the embodiments disclosed in this utility model only involve the structures involved in the embodiments disclosed in this utility model. Other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of this utility model can be combined with each other.

[0027] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A high-strength PET sheet co-extrusion extruder, comprising a high-strength PET sheet processing melt (1), characterized in that: The high-strength PET sheet processing melter (1) is equipped with sheet co-extrusion auxiliary devices (2) at both the upper and lower ends; The sheet co-extrusion auxiliary device (2) includes: a feeding assembly (21) and an extrusion pressurizing assembly (22), wherein the extrusion pressurizing assembly (22) is disposed on the inner and outer walls of the feeding assembly (21).

2. The high-strength PET sheet co-extrusion extruder according to claim 1, characterized in that: The feeding assembly (21) includes: a first feeding pipe (211), a second feeding pipe (214), a first feeding pipe (212), and a second feeding pipe (213). The upper ends of the second feeding pipe (213) and the first feeding pipe (212) are respectively installed at the lower end of the high-strength PET sheet processing melter (1).

3. The high-strength PET sheet co-extrusion extruder according to claim 2, characterized in that: The extrusion pressurization assembly (22) includes: an upper material sealing ring plate (222), a first electric hydraulic cylinder (226), a second electric hydraulic cylinder (228), a third electric hydraulic cylinder (2201), a front guard sealing plate (220), a feeding channel (221), a lower scraper block (227), an extrusion head (2202), a rear positioning plate (225), a temporary storage channel (223), and a front channel (224). The rear end of the front channel (224) is installed on the inner and outer walls of the side of the feeding channel (221). One end of the temporary storage channel (223) is installed on the inner and outer walls of the other side of the feeding channel (221), and the rear end of the temporary storage channel (223) is installed at the other end of the temporary storage channel (223).

4. The high-strength PET sheet co-extrusion extruder according to claim 2, characterized in that: The upper end of the high-strength PET sheet processing melter (1) is installed at the lower end of the first feeding pipe (211) and the second feeding pipe (214).

5. A high-strength PET sheet co-extrusion extruder according to claim 3, characterized in that: The output end of the second electric hydraulic cylinder (228) is installed at the lower end of the lower scraper block (227), the lower end of the lower scraper block (227) is installed at the upper end of the extrusion head (2202), one side of the second electric hydraulic cylinder (228) is installed at the output end of the first electric hydraulic cylinder (226), and the front end of the first electric hydraulic cylinder (226) is installed on the front outer wall of the rear positioning plate (225).

6. The high-strength PET sheet co-extrusion extruder according to claim 3, characterized in that: The rear end of the third electric hydraulic cylinder (2201) is installed at the output end of the second electric hydraulic cylinder (228), and the output end of the third electric hydraulic cylinder (2201) is installed at the rear end of the front guard seal plate (220).

7. A high-strength PET sheet co-extrusion extruder according to claim 3, characterized in that: The feeding channel (221) is provided in two sets, and the two sets of feeding channels (221) are respectively located at the upper and lower ends of the first feeding pipe (211) and the second feeding pipe (214). The extrusion pressurization assembly (22) is provided in two sets.

Images