An ABS plastic extruder

Abstract

The utility model discloses an ABS plastic extruder, the utility model relates to the technical field of plastic extruder, include: extruder body, the outer wall of extruder body is fixedly connected with cleaning structure through bolt, the cleaning structure includes support structure, the inner wall sliding connection of support structure's outer wall and extruder body, the outer wall fixedly connected with drive motor of support structure, the output shaft fixedly connected with gear of drive motor, the outer wall of gear is engaged with scraping structure, the inner wall sliding connection of support structure has collection box, drive motor drive gear engagement rack, drive the scraping blade along the extruder head sliding, and the scraping blade and the head close contact can effectively scrape the molten state or the cooling solidification ABS plastic of residual at the export, avoid the product color uneven, impurity point etc. Quality defects caused by residual material and new material mixing, improve the finished product pass rate.

Description

Technical Field

[0001] This utility model relates to the field of plastic extruder technology, specifically to an ABS plastic extruder. Background Technology

[0002] An ABS plastic extruder is a specialized piece of equipment for processing ABS plastic into specific profiles. Its core components include a feeding system, an extrusion system, a heating and cooling system, and a molding system. During operation, ABS granules in the hopper are fed into the barrel via a feeding device. Inside the barrel, a rotating screw conveys the material, while heating coils heat the material in stages to melt and plasticize it. The molten material is then pressurized by the screw and extruded through a die to form preliminary preforms such as pipes, sheets, and profiles. These preforms are then solidified by a cooling and shaping device and finally cut into finished products. Its screw length-to-diameter ratio and temperature control curve are designed to adapt to the melting characteristics of ABS, resulting in uniform plasticization and stable extrusion. It is widely used in the production of ABS profiles in home appliances, automobiles, and building materials industries.

[0003] During long-term operation of an extruder, the die head, as a critical part of material extrusion, is affected by the high viscosity and easy residue of molten ABS plastic. After each shutdown, the inner wall of the die head and the outlet are prone to adhering with incompletely discharged molten or cooled and solidified ABS plastic residue. If not cleaned in time, the residual material will mix with the new material when the machine is restarted, resulting in quality defects such as uneven color and impurities in the newly extruded product. In summary, in order to solve the above problems, improve the efficiency and quality of plastic extruders, and reduce losses, this utility model has emerged. Utility Model Content

[0004] To address the shortcomings of existing technologies, the technical solution adopted by this utility model is as follows: an ABS plastic extruder, comprising: an extruder body, a cleaning structure fixedly connected to the outer wall of the extruder body by bolts, the cleaning structure including a support structure, the outer wall of the support structure being slidably connected to the inner wall of the extruder body, a drive motor fixedly connected to the outer wall of the support structure, a gear fixedly connected to the output shaft of the drive motor, a scraping structure meshing with the outer wall of the gear, and a collection box slidably connected to the inner wall of the support structure. The extruder body is model SJ45 manufactured by Qingdao Chengyi Plastic Machinery Co., Ltd.

[0005] Preferably, the outer wall of the scraping structure is slidably connected to the inner wall of the support structure, and the outer wall of the gear is rotatably connected to the inner wall of the support structure.

[0006] Preferably, the scraping structure includes a rack, the outer wall of which meshes with the outer wall of a gear, and the outer wall of the rack has a groove.

[0007] Preferably, a connecting frame is fixedly connected to the outer wall of the rack, and a scraper is fixedly connected to the outer wall of the connecting frame. The scraper is slidably connected to the die head of the extruder body.

[0008] Preferably, the support structure includes a support frame, the outer wall of which is slidably connected to the inner wall of the extruder body, a stabilizing rod is slidably connected to the inner wall of the support frame, and the end of the stabilizing rod away from the support frame is fixedly connected to the outer wall of the extruder body.

[0009] Preferably, a sliding rod is fixedly connected to the outer wall of the support frame, the outer wall of the sliding rod is slidably connected to the inner wall of the rack, and a stabilizing groove is provided on the inner wall of the support frame, the inner wall of the stabilizing groove is slidably connected to the outer wall of the connecting frame.

[0010] The beneficial effects of this utility model are as follows:

[0011] 1. This utility model, by setting up a cleaning structure, drives a motor to drive a gear meshing rack, which drives a scraper to slide along the extruder head. The scraper is in close contact with the extruder head, which can effectively scrape off the residual molten or cooled and solidified ABS plastic at the outlet, avoiding quality defects such as uneven product color and impurities caused by the mixing of residual material and new material, and improving the finished product qualification rate.

[0012] 2. This utility model, by setting up a support structure, in which the stabilizing rod provides guidance for the support frame to be pulled out or pushed back, and the sliding rod cooperates with the rack and pinion, and the connecting frame cooperates with the stabilizing groove, multiple guiding and limiting measures ensure that the scraping structure slides smoothly and avoids incomplete cleaning caused by scraper deviation. Attached Figure Description

[0013] Figure 1 This is the front view of this utility model;

[0014] Figure 2 This is a schematic diagram of the cleaning structure of this utility model;

[0015] Figure 3 This is a schematic diagram of the scraping structure of this utility model;

[0016] Figure 4 This is a schematic diagram of the support structure of this utility model.

[0017] In the diagram: 1. Extruder body; 2. Cleaning structure; 21. Drive motor; 22. Gear; 23. Scraping structure; 24. Support structure; 25. Collection box; 231. Rack; 232. Slide rail; 233. Connecting frame; 234. Scraper; 241. Support frame; 242. Stabilizer bar; 243. Slide bar; 244. Stabilizer groove. Detailed Implementation

[0018] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention are given for illustrative and descriptive purposes only, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those skilled in the art. The embodiments were chosen and described to better illustrate the principles and practical applications of the present invention, and to enable those skilled in the art to understand the present invention and design various embodiments with various modifications suitable for a particular purpose.

[0019] Example:

[0020] Please see Figure 1 - Figure 2 This utility model provides a technical solution: an ABS plastic extruder, comprising: an extruder body 1, a cleaning structure 2 fixedly connected to the outer wall of the extruder body 1 by bolts, the cleaning structure 2 including a support structure 24, the outer wall of the support structure 24 being slidably connected to the inner wall of the extruder body 1, a drive motor 21 fixedly connected to the outer wall of the support structure 24, a gear 22 fixedly connected to the output shaft of the drive motor 21, a scraper structure 23 meshing with the outer wall of the gear 22, a collection box 25 slidably connected to the inner wall of the support structure 24, the outer wall of the scraper structure 23 being slidably connected to the inner wall of the support structure 24, and the outer wall of the gear 22 being rotatably connected to the inner wall of the support structure 24. The support structure 24 of the cleaning structure 2 is pulled out and fixed to the extruder body 1 by bolts. When the drive motor 21 is started, its output shaft drives the gear 22 to rotate, the gear 22 meshing with the scraper structure 23 to slide within the support structure 24, and the scraper structure 23 cleans the residual material at the extruder head of the extruder body 1, with the cleaned material falling into the collection box 25. After cleaning, turn off the drive motor 21, pull out the collection box 25 to empty the material, loosen the bolts to push the support structure 24 back, and then fix it with bolts. This will not affect the normal operation of the extruder body 1.

[0021] Please see Figure 3 The scraping structure 23 includes a rack 231, the outer wall of which meshes with the outer wall of a gear 22. A groove 232 is formed on the outer wall of the rack 231. A connecting frame 233 is fixedly connected to the outer wall of the rack 231, and a scraper 234 is fixedly connected to the outer wall of the connecting frame 233. The scraper 234 is slidably connected to the die head of the extruder body 1. When the gear 22 rotates, it meshes with the rack 231, causing it to move. The rack 231 slides along the support structure 24, and the groove 232 cooperates with the support structure 24 to ensure stable movement. The rack 231 drives the scraper 234 to move through the connecting frame 233. The scraper 234 makes close contact with the die head of the extruder body 1, scraping away the residual ABS plastic on the outer wall of the die head. After cleaning, the gear 22 reverses to reset the rack 231, and the scraper 234 returns to its initial position for future use.

[0022] Please see Figure 4 The support structure 24 includes a support frame 241. The outer wall of the support frame 241 is slidably connected to the inner wall of the extruder body 1. A stabilizing rod 242 is slidably connected to the inner wall of the support frame 241. The end of the stabilizing rod 242 away from the support frame 241 is fixedly connected to the outer wall of the extruder body 1. A sliding rod 243 is fixedly connected to the outer wall of the support frame 241. The outer wall of the sliding rod 243 is slidably connected to the inner wall of the rack 231. A stabilizing groove 244 is formed on the inner wall of the support frame 241. The inner wall of the stabilizing groove 244 is slidably connected to the outer wall of the connecting frame 233. When cleaning is required, the support structure 24 is pulled out from the extruder body 1. The stabilizing rod 242 slides relative to the support frame 241 to provide guidance. After being pulled out, the support frame 241 is fixed to the extruder body 1 with bolts. The sliding rod 243 is inserted into the inner wall of the rack 231 to ensure that the rack 231 slides smoothly. The connecting frame 233 slides in the stabilizing groove 244 to enhance the stability of the scraping structure 23. When not in use, loosen the bolts and push the support frame 241 back, retract the stabilizer rod 242 into the support frame 241, and then fix it with bolts to avoid affecting the normal operation of the extruder body 1.

[0023] Working principle:

[0024] In use, pull out the support structure 24 of the cleaning structure 2 and fix the support structure 24 to the extruder body 1 with bolts. Start the drive motor 21, and its output shaft drives the gear 22 to rotate. The gear 22 meshes with the scraper structure 23, causing it to slide within the support structure 24. The scraper structure 23 cleans the residual material at the extruder head of the extruder body 1, and the cleaned material falls into the collection box 25. After cleaning, turn off the drive motor 21, pull out the collection box 25 to empty the material, loosen the bolts, push the support structure 24 back, and then fix it with bolts again. This does not affect the normal operation of the extruder body 1. When the gear 22 rotates, it meshes with the rack 231, causing it to move. The rack 231 slides along the support structure 24, and the slide groove 232 cooperates with the support structure 24 to ensure stable movement. The rack 231 drives the scraper 234 to move through the connecting frame 233. The scraper 234 is in close contact with the extruder head of the extruder body 1, scraping off the residual ABS plastic on the outer wall of the head. After cleaning, gear 22 reverses to reset rack 231 and scraper 234, facilitating future use. When cleaning is required, support structure 24 is pulled out of extruder body 1. Stabilizing rod 242 slides relative to support frame 241, acting as a guide. After pulling out, bolts secure support frame 241 to extruder body 1. Sliding rod 243 inserts into the inner wall of rack 231, ensuring smooth sliding of rack 231. Connecting frame 233 slides within stabilizing groove 244, enhancing the stability of scraper structure 23. When not in use, loosen bolts and push support frame 241 back in, retracting stabilizer rod 242 into support frame 241, then secure with bolts to avoid affecting normal operation of extruder body 1.

[0025] Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. All other embodiments obtained by those skilled in the art and related fields based on the embodiments of this utility model without creative effort should fall within the protection scope of this utility model. Structures, devices, and operating methods not specifically described and explained in this utility model, unless otherwise specified or limited, shall be implemented according to conventional means in the art.

Claims

1. An ABS plastic extruder, comprising an extruder body (1), characterized in that: The outer wall of the extruder body (1) is fixedly connected to a cleaning structure (2) by bolts; The cleaning structure (2) includes a support structure (24), the outer wall of the support structure (24) is slidably connected to the inner wall of the extruder body (1), a drive motor (21) is fixedly connected to the outer wall of the support structure (24), a gear (22) is fixedly connected to the output shaft of the drive motor (21), a scraper structure (23) meshes with the outer wall of the gear (22), and a collection box (25) is slidably connected to the inner wall of the support structure (24).

2. The ABS plastic extruder according to claim 1, characterized in that: The outer wall of the scraping structure (23) is slidably connected to the inner wall of the support structure (24), and the outer wall of the gear (22) is rotatably connected to the inner wall of the support structure (24).

3. An ABS plastic extruder according to claim 1, characterized in that: The scraping structure (23) includes a rack (231), the outer wall of the rack (231) meshes with the outer wall of the gear (22), and the outer wall of the rack (231) is provided with a groove (232).

4. An ABS plastic extruder according to claim 3, characterized in that: A connecting frame (233) is fixedly connected to the outer wall of the rack (231), and a scraper (234) is fixedly connected to the outer wall of the connecting frame (233). The scraper (234) is slidably connected to the head of the extruder body (1).

5. An ABS plastic extruder according to claim 4, characterized in that: The support structure (24) includes a support frame (241), the outer wall of the support frame (241) is slidably connected to the inner wall of the extruder body (1), and a stabilizing rod (242) is slidably connected to the inner wall of the support frame (241). The end of the stabilizing rod (242) away from the support frame (241) is fixedly connected to the outer wall of the extruder body (1).

6. An ABS plastic extruder according to claim 5, characterized in that: The outer wall of the support frame (241) is fixedly connected to a slide rod (243), the outer wall of the slide rod (243) is slidably connected to the inner wall of the rack (231), and the inner wall of the support frame (241) is provided with a stabilizing groove (244), the inner wall of the stabilizing groove (244) is slidably connected to the outer wall of the connecting frame (233).

Images