Convenient-to-clean stirring machine for plastic processing

Abstract

The utility model discloses a plastic processing stirrer convenient to clean, which comprises a stirring mechanism used for stirring plastic. The top of the cylinder is fixedly connected with the bottom of the stirring mechanism; the scraping device is used for cleaning residual plastic after stirring, and the utility model relates to the technical field of plastic stirring machines. According to the device, through a stirring mechanism and a scraping device, a main shaft drives a main gear to rotate to drive a driven gear to rotate, the driven gear rotates a stirring rod to rotate, the stirring rod rotates to enable a stirring blade connected with the stirring rod to rotate, and the driven gear rotates around the main gear under the action of a rack meshed with the driven gear when rotating; and as the outer wall of the stirring rod is limited by the outer wall of the main shaft and the side wall of the bottom of the machine shell, the stirring rod finally revolves around the main shaft along the gap between the main shaft and the machine shell, and the purposes of stirring the plastic and cleaning the residual plastic after stirring are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic mixers, in particular to a mixer for plastic processing which is easy to clean. Background Art

[0002] A plastic mixer is a device that uses the principle of rapid rotation to mix plastic materials evenly. It is widely used in current chemical production and other scenarios. Most plastic products in life require the use of plastic mixers in their processing.

[0003] However, in the prior art, after the traditional plastic mixer completes mixing and discharging, it is impossible to clean up the remaining plastic material inside the mixer in time, resulting in some plastic material adhering to the inner wall of the mixing device, which will cause a certain degree of waste, and the attached old material will affect the mixing quality of the mixer next time. Utility Model Content

[0004] In view of the deficiencies in the prior art, the technical solution adopted by the utility model to solve the technical problems is: a plastic processing mixer that is easy to clean, comprising: a stirring mechanism; a cylinder, the top of the cylinder is fixedly connected to the bottom of the stirring mechanism; a feeding pipe, the outer wall of the feeding pipe is fixedly connected to the side wall of the top of the cylinder; a discharge plate, the outer wall of the discharge plate is slidably connected to the inner wall of the bottom of the cylinder through a slide groove; a support frame, the top of the support frame is fixedly connected to the bottom of the cylinder; a material guide plate, the top of the material guide plate is fixedly connected to the bottom of the cylinder; the stirring mechanism comprises a casing, the inner wall of the casing is rotatably connected to a main shaft, the outer wall of the main shaft is fixedly connected to a main gear, the side wall of the bottom of the casing is slidably connected to stirring rods, the stirring rods are symmetrically arranged on both sides of the main shaft, the outer wall of the top of the stirring rod is fixedly connected to a driven gear, the bottom of the stirring rod is fixedly connected to a stirring blade, and the outer wall of the main shaft is rotatably connected to a scraper device.

[0005] Preferably, a rack is fixedly connected to the inner wall of the housing, and a baffle is fixedly connected to the bottom of the main shaft.

[0006] Preferably, the main gear is meshed with the driven gear, and the driven gear is meshed with the rack, and the main gear and the driven gear are both located inside the casing, and the top of the stirring rod is slidably connected to the inner wall of the top of the casing through a slide groove, and the outer wall of the stirring rod is slidably connected to the outer wall of the main shaft, and the outer wall of the main shaft does not contact the side wall of the bottom of the casing. When the main shaft drives the main gear to rotate, it drives the two driven gears meshed with it to rotate, and when the driven gear rotates, it drives the stirring rods fixedly connected with it to rotate, and the rotation of the stirring rod causes the stirring blades fixedly connected at the bottom to rotate, so as to stir the plastic material, and when the driven gear rotates, it will rotate around the main gear along the slide groove of the inner wall of the top of the casing due to the action of the rack meshed with it, and the stirring rod fixedly connected to the driven gear will also move with the driven gear, and because the outer wall of the stirring rod is restricted by the outer wall of the main shaft and the side wall of the bottom of the casing, the stirring rod will eventually revolve around the main shaft along the gap between the main shaft and the casing to stir the plastic material.

[0007] Preferably, the scraper device includes a scraper, the inner wall of the scraper is slidably connected to a guide rod, the top of the guide rod is fixedly connected to a screw block, the guide rods are symmetrically arranged on both sides of the bottom of the screw block, the bottom of the screw block is fixedly connected to a connecting spring, the bottom of the connecting spring is fixedly connected to the top of the scraper, and the connecting springs are symmetrically arranged on both sides of the bottom of the screw block. During the descent, the screw block always maintains a vertical relationship with the main shaft due to the limiting effect of the guide rod.

[0008] Preferably, the outer wall of the main shaft is rotatably connected to the inner wall of the screw block, the outer wall of the stirring rod is slidably connected to the inner wall of the scraper via a through hole opened at the top of the scraper, the side wall of the scraper is slidably connected to the inner wall of the cylinder, the inner wall at the center of the top of the scraper does not contact the outer wall of the main shaft, the scraper rotates around the main shaft driven by the stirring rod, and when the screw block continues to move downward, the side wall of the scraper will scrape off the residual plastic material attached to the inner wall of the cylinder.

[0009] Preferably, the outer wall of the bottom of the casing is fixedly connected to the outer wall of the top of the cylinder.

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

[0011] 1. The utility model provides a stirring device. When the main shaft drives the main gear to rotate, it drives the driven gear to rotate. When the driven gear rotates, it drives the stirring rod to rotate. The rotation of the stirring rod causes the stirring blade fixed at the bottom to rotate, so as to stir the plastic material. When the driven gear rotates, it is affected by the rack and the slide groove of the top inner wall of the casing. Since the outer wall of the stirring rod is limited by the outer wall of the main shaft and the side wall of the bottom of the casing, the stirring rod will eventually revolve around the main shaft along the gap between the main shaft and the casing to stir the plastic material, thereby improving the stirring efficiency.

[0012] 2. The utility model sets a scraper device and adjusts the rotation direction of the external motor so that the main shaft rotates along the rotation direction of the spiral line thereon. As the main shaft continues to rotate, since the screw block on the scraper device is rotatably connected to the main shaft through a thread, the screw block will move downward along the thread of the outer wall of the main shaft. When the screw block continues to move downward, it will compress the connecting spring and use the compression spring to push the scraper downward. The side wall of the scraper will scrape off the residual plastic material attached to the inner wall of the cylinder, thereby completing the cleaning of the inner wall of the cylinder. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0014] Figure 2 It is a cross-sectional view of the utility model;

[0015] Figure 3 It is a schematic diagram of the structure inside the barrel of the utility model;

[0016] Figure 4 It is a cross-sectional view of the stirring mechanism of the utility model;

[0017] Figure 5 It is a cross-sectional view of the scraping device of the utility model;

[0018] In the figure: 1. stirring mechanism; 2. feeding pipe; 3. discharge plate; 4. supporting frame; 5. guide plate; 6. cylinder; 11. casing; 12. main shaft; 13. main gear; 14. driven gear; 15. rack; 16. scraper device; 17. stirring rod; 18. stirring blade; 19. baffle; 161. screw block; 162. scraper; 163. connecting spring; 164. guide rod. DETAILED DESCRIPTION

[0019] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations are obvious to those of ordinary skill in the art. The embodiments are selected and described in order to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and design various embodiments with various modifications suitable for specific purposes.

[0020] Example:

[0021] See also Figure 1 - Figure 5The utility model provides a technical solution: a plastic processing mixer that is easy to clean, comprising: a stirring mechanism 1; a cylinder 6, the top of the cylinder 6 is fixedly connected to the bottom of the stirring mechanism 1; a feeding pipe 2, the outer wall of the feeding pipe 2 is fixedly connected to the side wall of the top of the cylinder 6; a discharge plate 3, the outer wall of the discharge plate 3 is slidably connected to the inner wall of the bottom of the cylinder 6 through a slide groove; a support frame 4, the top of the support frame 4 is fixedly connected to the bottom of the cylinder 6; a guide plate 5, the top of the guide plate 5 is fixedly connected to the bottom of the cylinder 6; the stirring mechanism 1 comprises a casing 11, the inner wall of the casing 11 is rotatably connected to a main shaft 12, the outer wall of the main shaft 12 is fixedly connected to a main gear 13, the side wall of the bottom of the casing 11 is slidably connected to a stirring rod 17, the stirring rod 17 is symmetrically arranged on both sides of the main shaft 12, the outer wall of the top of the stirring rod 17 is fixedly connected to a driven gear 14, the bottom of the stirring rod 17 is fixedly connected to a stirring blade 18, and the outer wall of the main shaft 12 is rotatably connected to a scraper device 16. A rack 15 is fixedly connected to the inner wall of the housing 11 , and a baffle 19 is fixedly connected to the bottom of the main shaft 12 .

[0022] The main gear 13 is meshed with the driven gear 14, and the driven gear 14 is meshed with the rack 15. Both the main gear 13 and the driven gear 14 are located inside the housing 11. The top of the stirring rod 17 is slidably connected to the inner wall of the top of the housing 11 through a slide groove, and the outer wall of the stirring rod 17 is slidably connected to the outer wall of the main shaft 12, and the outer wall of the main shaft 12 does not contact the side wall of the bottom of the housing 11. The scraper device 16 includes a scraper 162, and the inner wall of the scraper 162 is slidably connected to a guide rod 164, and the top of the guide rod 164 is fixedly connected to a screw block 161, and the guide rod 164 is symmetrically arranged on both sides of the bottom of the screw block 161, and the bottom of the screw block 161 is fixedly connected to a connecting spring 163, and the bottom of the connecting spring 163 is fixedly connected to the top of the scraper 162, and the connecting spring 163 is symmetrically arranged on both sides of the bottom of the screw block 161. The outer wall of the main shaft 12 is rotatably connected to the inner wall of the screw block 161, the outer wall of the stirring rod 17 is slidably connected to the inner wall of the scraper 162 through the through hole opened at the top of the scraper 162, the side wall of the scraper 162 is slidably connected to the inner wall of the barrel 6, and the inner wall at the center of the top of the scraper 162 does not contact the outer wall of the main shaft 12. The outer wall of the bottom of the housing 11 is fixedly connected to the outer wall of the top of the barrel 6.

[0023] Working principle:

[0024] When in use, the discharge plate 3 is inserted into the slide groove along the inner wall of the cylinder 6 to the bottom of the slide groove, and then the plastic to be processed is put in from the opening at the top of the feed pipe 2. The plastic will enter the interior of the cylinder 6 along the feed pipe 2 to complete the feeding process.

[0025] After the addition is completed, the stirring process begins. An external motor is installed at the top of the casing 11. The output end of the external motor is fixedly connected to the top of the main shaft 12 through a coupling. The motor is started so that the main shaft 12 starts to rotate in the opposite direction of the thread line under the drive of the external motor to ensure that the scraper device 16 does not move downward along the thread line. At this time, the main gear 13 fixedly connected to the main shaft 12 starts to rotate. When the main gear 13 rotates, it drives the two driven gears 14 meshing with it to rotate. When the driven gear 14 rotates, it drives the stirring rod 17 fixedly connected to it to rotate. The rotation of the stirring rod 17 causes the stirring blade 18 fixedly connected to the bottom to rotate, thereby rotating the plastic. When the driven gear 14 rotates, it will rotate around the main gear 13 along the slide groove on the top inner wall of the casing 11 due to the action of the rack 15 meshing with it, and the stirring rod 17 fixedly connected to the driven gear 14 will also move with the driven gear 14. Since the outer wall of the stirring rod 17 is limited by the outer wall of the main shaft 12 and the side wall of the bottom of the casing 11, the stirring rod 17 will eventually revolve around the main shaft 12 along the gap between the main shaft 12 and the casing 11 to stir the plastic material. At this point, the stirring rod 17 and the stirring blade 18 stir the plastic raw material in the cylinder 6 at the same time through revolution and rotation respectively, thereby improving the stirring efficiency.

[0026] After the stirring is completed, the external motor is turned off first, and then the discharge plate 3 is pulled outward along the slide groove at the bottom of the cylinder 6. The plastic material leaves the cylinder 6 along the guide plate 5 under the action of gravity. After the plastic material has finished falling, the residual plastic material inside the cylinder 6 is cleaned up, and the external motor is started, and its rotation direction is adjusted so that the main shaft 12 rotates along the rotation direction of the spiral line thereon. As the main shaft 12 continues to rotate, since the screw block 161 on the scraper device 16 is connected to the main shaft 12 through threaded rotation, the screw block 161 will move downward along the thread of the outer wall of the main shaft 12, and because the scraper 162 is slidably connected to the outer wall of the stirring rod 17 through the through hole at the top, and the stirring rod 17 will revolve around the main shaft 12 when the external motor is working, the scraper 162 rotates around the main shaft 12 driven by the stirring rod 17, and when the screw block 161 continues to move downward, it will compress the connecting spring 163, and push the scraper 162 with the help of the connecting spring 163, and the scraper As the plate 162 moves downward, its side wall will scrape off the residual plastic material attached to the inner wall of the cylinder 6, completing the cleaning of the inner wall of the cylinder 6. At the same time, the through hole at the top of the scraper 162 connected to the outer wall of the stirring rod 17 will also scrape off the residual plastic material attached to the stirring rod 17, completing the cleaning of the inner wall of the cylinder 6 and the outer wall of the stirring rod 17. As the screw block 161 moves downward continuously, the outer wall at the bottom of the scraper 162 will eventually contact the outer wall at the top of the baffle 19. At this time, since the scraper 162 is constrained by the baffle 19, and the screw block 161 continues to move downward, the connecting spring 163 between the screw block 161 and the scraper 162 will be compressed. When the screw block 161 reaches the shaft section without thread and with a radius smaller than the thread at the top of the baffle 19, it will idle at the bottom and wait for upward reset. During the descent, the screw block 161 always maintains a vertical relationship with the main shaft 12 due to the limiting effect of the guide rod 164.

[0027] When it is necessary to reset the scraper device 16, the rotation direction of the external motor is adjusted to make the main shaft 12 rotate in the opposite direction. The screw block 161 always maintains a vertical relationship with the main shaft 12 due to the limiting effect of the guide rod 164, and the connecting spring 163 is compressed so that it exerts an upward force on the screw block 161 along the main shaft 12, so that the screw block 161 and the thread on the main shaft 12 can be in a correct meshing state. At this time, driven by the external motor, the screw block 161 will move upward along the main shaft 12, that is, the entire scraper device 16 is continuously driven upward. When the screw block 161 moves to the unthreaded shaft end at the upper end of the thread on the outer wall of the main shaft 12, it will idle, and due to the limiting effect of the guide rod 164 and the effect of gravity, the screw block 161 and the main shaft 12 will remain vertical, that is, the thread is in a correct meshing state. At this time, the scraper device 16 is reset and waits for the next cleaning task.

[0028] Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field and related fields without creative work should fall within the scope of protection of the present invention. Structures, devices and operating methods not specifically described and explained in the present invention shall be implemented according to conventional means in the field unless otherwise specified and limited.

Claims

1. A mixer for plastic processing that is easy to clean, characterized in that: include: A stirring mechanism (1); A cylinder (6), the top of which is fixedly connected to the bottom of the stirring mechanism (1); A feed pipe (2), the outer wall of which is fixedly connected to the side wall at the top of the cylinder (6); A discharge plate (3), the outer wall of which is slidably connected to the inner wall of the bottom of the cylinder (6) via a slide groove; A support frame (4), the top of the support frame (4) being fixedly connected to the bottom of the cylinder (6); A material guide plate (5), the top of which is fixedly connected to the bottom of the cylinder (6); The stirring mechanism (1) comprises a casing (11), the inner wall of the casing (11) is rotatably connected to a main shaft (12), the outer wall of the main shaft (12) is fixedly connected to a main gear (13), the side wall at the bottom of the casing (11) is slidably connected to a stirring rod (17), the stirring rod (17) is symmetrically arranged on both sides of the main shaft (12), the outer wall at the top of the stirring rod (17) is fixedly connected to a driven gear (14), the bottom of the stirring rod (17) is fixedly connected to a stirring blade (18), and the outer wall of the main shaft (12) is rotatably connected to a scraper device (16).

2. The easy-to-clean mixer for plastic processing according to claim 1, characterized in that: A rack (15) is fixedly connected to the inner wall of the housing (11), and a baffle (19) is fixedly connected to the bottom of the main shaft (12).

3. The easy-to-clean mixer for plastic processing according to claim 2, characterized in that: The main gear (13) is meshed with the driven gear (14), and the driven gear (14) is meshed with the rack (15). The main gear (13) and the driven gear (14) are both located inside the casing (11). The top of the stirring rod (17) is slidably connected to the inner wall of the top of the casing (11) through a sliding groove. The outer wall of the stirring rod (17) is slidably connected to the outer wall of the main shaft (12), and the outer wall of the main shaft (12) does not contact the side wall of the bottom of the casing (11).

4. The easy-to-clean mixer for plastic processing according to claim 2, characterized in that: The scraper device (16) comprises a scraper (162), the inner wall of the scraper (162) is slidably connected to a guide rod (164), the top of the guide rod (164) is fixedly connected to a screw block (161), the guide rod (164) is symmetrically arranged on both sides of the bottom of the screw block (161), the bottom of the screw block (161) is fixedly connected to a connecting spring (163), the bottom of the connecting spring (163) is fixedly connected to the top of the scraper (162), and the connecting spring (163) is symmetrically arranged on both sides of the bottom of the screw block (161).

5. The easy-to-clean mixer for plastic processing according to claim 4, characterized in that: The outer wall of the main shaft (12) is rotatably connected to the inner wall of the screw block (161), the outer wall of the stirring rod (17) is slidably connected to the inner wall of the scraper (162) via a through hole opened at the top of the scraper (162), the side wall of the scraper (162) is slidably connected to the inner wall of the cylinder (6), and the inner wall at the center of the top of the scraper (162) does not contact the outer wall of the main shaft (12).

6. The easy-to-clean mixer for plastic processing according to claim 1, characterized in that: The outer wall at the bottom of the casing (11) is fixedly connected to the outer wall at the top of the cylinder (6).

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