Molding powder extruder capable of rapidly heating

By introducing auxiliary mechanisms of a stirring box and crushing blades into the plastic powder extruder, the problem of insufficient melting of plastic particles is solved, and rapid heating and efficient production are achieved.

CN223302180UActive Publication Date: 2025-09-05SHENYANG FUDA TECH CO LTD
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Patent Information

Application Number
CN202422677778.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-04
Publication Date
2025-09-05
Estimated Expiration
2034-11-04

AI Technical Summary

Technical Problem

The existing plastic powder extruder does not fully melt the plastic particles during the heating process, which affects production efficiency.

Method used

An auxiliary mechanism including a mixing box, a crushing blade and a stirring rod was designed. The crushing blade crushes large particles and a circulating fan heats the air to achieve rapid melting. The stirring rod is combined to accelerate the melting process.

Benefits of technology

It improves the melting efficiency of plastic particles, prevents blockage, and improves production efficiency and resource utilization.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223302180U_ABST
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Abstract

The utility model relates to a quick heating molding powder extruder which comprises a discharge pipe, the top of the discharge pipe is communicated with a stirring box, the top of the stirring box is provided with a box cover, an auxiliary mechanism is arranged between the box cover and the stirring box, the auxiliary mechanism comprises a motor, and the top of the box cover is fixedly provided with a motor. According to the molding powder extruder capable of rapidly heating, by arranging the auxiliary mechanism, after plastic particles enter the stirring box from the feeding hopper, the plastic particles can fall onto the screen, the motor drives the crushing blade and the first stirring rod to rotate at the moment, the particles on the screen can be stirred, falling of the particles is accelerated, and meanwhile the crushing blade crushes the particles with large sizes; and in order to prevent the particles from blocking the screen mesh, in the screening and crushing process, the convex blocks hit the bottom of the screen mesh all the time to help the particles to fall off, so that the particles are stirred by the second stirring rod after falling to the bottom of the screen mesh.
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Description

Technical Field

[0001] The utility model relates to the technical field of plastic powder extruders, in particular to a fast-heating plastic powder extruder. Background Art

[0002] A plastic powder extruder is a device used to produce plastic powder. The plastic powder extruder can heat the mixed material, mix the heated plastic into the mixed material, and then extrude the liquid plastic through a screw extrusion mechanism. The extruded new plastic is a plastic made of mixed materials.

[0003] After searching, for example, the utility model patent with Chinese announcement number CN218462917U discloses a plastic powder extruder for plastic powder production. The device is provided with components such as a heating box and a circulating fan. If only electric heating is used to heat the material, it will lead to a waste of resources, and the production process of the equipment will not be environmentally friendly and energy-saving. After the air is drawn from the equipment into the heating box, the temperature of the air can be controlled. After the heated air meets the conditions, it can be discharged into the equipment and then circulated through the circulating fan, thereby achieving full utilization of resources; however, when the device stirs the material, the following situation will occur: some plastic particles are large, and the large particles of plastic are not fully melted during the heating process, affecting the normal extrusion work and affecting the production efficiency. Therefore, a fast-heating plastic powder extruder is proposed to solve the above problems. Utility Model Content

[0004] (1) Technical problems solved

[0005] In response to the deficiencies in the prior art, the present invention provides a fast-heating plastic powder extruder, which has the advantages of being easy to crush, screen, heat and melt plastic particles, and solves the problem of insufficient melting of plastic particles that may occur in the comparative device.

[0006] (2) Technical solution

[0007] To achieve the above object, the present invention provides the following technical solution: a rapid heating plastic powder extruder, comprising a discharge pipe, the top of the discharge pipe is connected to a stirring box, the top of the stirring box is provided with a box cover, and an auxiliary mechanism is provided between the box cover and the stirring box;

[0008] The auxiliary mechanism includes a motor, a motor is fixedly installed on the top of the box cover, a rotating rod is fixedly installed on the output shaft of the motor, a first stirring rod is fixedly installed on the outside of the rotating rod, a crushing blade is fixedly installed on the outside of the rotating rod, a screen is fixedly installed on the inside of the mixing box, a second stirring rod is fixedly installed on the outside of the rotating rod, two connecting rods are fixedly installed on the outside of the rotating rod, and a bump is fixedly installed on the top of the connecting rod.

[0009] Furthermore, a feed hopper is fixedly mounted on the top of the box cover, and the bottom of the feed hopper is communicated with the interior of the mixing box.

[0010] Furthermore, an air inlet pipe is provided on the upper side edge of the mixing box, an air outlet pipe is provided on the upper side edge of the mixing box, and filters are provided at the ports of the air inlet pipe and the air outlet pipe.

[0011] Furthermore, a heating box is connected between the air inlet pipe and the air outlet pipe, and a circulating fan is provided outside the heating box.

[0012] Furthermore, the bottom of the rotating rod passes through the screen and extends to the bottom of the screen, the first stirring rod and the crushing blade are staggered, the top of the protrusion abuts the screen, and the first stirring rod and the crushing blade are arranged on the top of the screen.

[0013] Furthermore, first connecting plates are fixedly installed on both left and right ends of the box cover, and second connecting plates are fixedly installed on both left and right ends of the mixing box, and the first connecting plate and the second connecting plate are connected by bolts.

[0014] (3) Beneficial effects

[0015] Compared with the existing technology, the technical solution of this application has the following beneficial effects:

[0016] This fast-heating plastic powder extruder is equipped with an auxiliary mechanism. When the plastic particles enter the mixing box from the feed hopper, they will fall onto the screen. The motor will then drive the crushing blade and the first stirring rod to rotate, stirring the particles on the screen and accelerating their falling. At the same time, the crushing blade will crush larger particles to help them pass through the screen. After the particles fall to the bottom of the screen, they will be stirred by the second stirring rod, thereby accelerating the melting of the particles. In order to prevent the particles from clogging the screen, the protrusions will continue to hit the bottom of the screen during the screening and crushing process to help the particles fall. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional schematic diagram of the utility model;

[0018] Figure 2 This is a front cross-sectional view of the local structure of the utility model;

[0019] Figure 3 It is a top view of the local structure of the utility model.

[0020] In the figure: 1 discharge pipe, 2 mixing box, 3 box cover, 4 auxiliary mechanism, 401 motor, 402 rotating rod, 403 first mixing rod, 404 crushing blade, 405 screen, 406 second mixing rod, 407 connecting rod, 408 bump, 5 feed hopper, 6 air inlet pipe, 7 air outlet pipe, 8 heating box, 9 circulation fan, 10 first connecting plate, 11 second connecting plate. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] See also Figure 1-3 A rapid heating plastic powder extruder in this embodiment includes a discharge pipe 1, the top of the discharge pipe 1 is connected to a stirring box 2, the top of the stirring box 2 is provided with a box cover 3, and an auxiliary mechanism 4 is provided between the box cover 3 and the stirring box 2.

[0023] Specifically, the auxiliary mechanism 4 includes a motor 401, a motor 401 is fixedly installed on the top of the box cover 3, a rotating rod 402 is fixedly installed on the output shaft of the motor 401, a first stirring rod 403 is fixedly installed on the outside of the rotating rod 402, a crushing blade 404 is fixedly installed on the outside of the rotating rod 402, a screen 405 is fixedly installed on the inside of the mixing box 2, a second stirring rod 406 is fixedly installed on the outside of the rotating rod 402, two connecting rods 407 are fixedly installed on the outside of the rotating rod 402, and a protrusion 408 is fixedly installed on the top of the connecting rod 407. By setting the auxiliary mechanism 4, when the plastic After the material particles enter the mixing box 2 from the feed hopper 5, they will fall onto the screen 405. At this time, the motor 401 drives the crushing blade 404 and the first stirring rod 403 to rotate, which will stir the particles on the screen 405 and accelerate their falling. At the same time, the crushing blade 404 crushes the larger particles to help them pass through the screen 405. After the particles fall to the bottom of the screen 405, they are stirred by the second stirring rod 406, thereby accelerating the melting of the particles. In order to prevent the particles from clogging the screen 405, the bumps 408 will continue to hit the bottom of the screen 405 during the screening and crushing process to help the particles fall.

[0024] Specifically, an air inlet pipe 6 is provided on the upper side edge of the mixing box 2, and an air outlet pipe 7 is provided on the upper side edge of the mixing box 2. Filters are provided at the ends of the air inlet pipe 6 and the air outlet pipe 7. A heating box 8 is connected between the air inlet pipe 6 and the air outlet pipe 7. A circulating fan 9 is provided on the outside of the heating box 8. The filter can filter the air when sucking air to prevent impurities in the heated air from damaging the equipment. The air is drawn into the heating box 8 and then discharged through the circulating fan 9; after the air is drawn into the heating box 8 from the equipment, the rapid heating of the air can be achieved through control. The heated air can be discharged into the equipment after meeting the conditions, and then circulated through the circulating fan 9, thereby realizing full utilization of resources. This part is the existing technology and has been disclosed in the patent document with announcement number: CN218462917U.

[0025] Specifically, first connecting plates 10 are fixedly installed on both left and right ends of the box cover 3, and second connecting plates 11 are fixedly installed on both left and right ends of the mixing box 2. The first connecting plate 10 and the second connecting plate 11 are connected by bolts. After removing the bolts, the box cover 3 can be opened and closed.

[0026] During implementation, follow these steps:

[0027] 1) First, plastic particles are fed from the feed hopper 5 into the mixing box 2. After the plastic particles fall onto the screen 405, the motor 401 drives the crushing blade 404 and the first stirring rod 403 to rotate, stirring the particles on the screen 405 and accelerating their fall.

[0028] 2) The crushing blade 404 then crushes the larger particles, helping them pass through the screen 405. The particles fall to the bottom of the screen 405. The circulating fan 9 draws air into the heating box 8 and then discharges it into the mixing box 2, heating the plastic particles inside the mixing box 2.

[0029] 3) Finally, the plastic particles inside the mixing box 2 are stirred by the second stirring rod 406 , thereby accelerating the melting of the particles and discharging them through the discharge pipe 1 .

[0030] To sum up, the rapid heating plastic powder extruder is equipped with an auxiliary mechanism 4. When the plastic particles enter the mixing box 2 from the feed hopper 5, they will fall onto the screen 405. The motor 401 will then drive the crushing blade 404 and the first stirring rod 403 to rotate, stirring the particles on the screen 405 to accelerate their falling. At the same time, the crushing blade 404 crushes the larger particles to help them pass through the screen 405. After the particles fall to the bottom of the screen 405, they are stirred by the second stirring rod 406, thereby accelerating the melting of the particles. In order to prevent the particles from clogging the screen 405, during the screening and crushing process, the protrusion 408 will continue to hit the bottom of the screen 405 to help the particles fall, thereby solving the problem of insufficient melting of plastic particles that may occur in the comparative device.

[0031] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply the existence of any such actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article, or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of other identical elements in the process, method, article, or device comprising the element.

[0032] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A rapid heating plastic powder extruder, comprising a discharge pipe (1), characterized in that: The top of the discharge pipe (1) is connected to a stirring box (2), a box cover (3) is provided on the top of the stirring box (2), and an auxiliary mechanism (4) is provided between the box cover (3); The auxiliary mechanism (4) comprises a motor (401), the motor (401) is fixedly mounted on the top of the box cover (3), a rotating rod (402) is fixedly mounted on the output shaft of the motor (401), a first stirring rod (403) is fixedly mounted on the outside of the rotating rod (402), a crushing blade (404) is fixedly mounted on the outside of the rotating rod (402), a screen (405) is fixedly mounted on the inside of the mixing box (2), a second stirring rod (406) is fixedly mounted on the outside of the rotating rod (402), two connecting rods (407) are fixedly mounted on the outside of the rotating rod (402), and a protrusion (408) is fixedly mounted on the top of each connecting rod (407).

2. A rapid heating plastic powder extruder according to claim 1, characterized in that: A feed hopper (5) is fixedly mounted on the top of the box cover (3), and the bottom of the feed hopper (5) is connected to the interior of the mixing box (2).

3. A rapid heating plastic powder extruder according to claim 1, characterized in that: An air inlet pipe (6) is provided on the upper side edge of the mixing box (2), an air outlet pipe (7) is provided on the upper side edge of the mixing box (2), and filters are provided at the ports of the air inlet pipe (6) and the air outlet pipe (7).

4. A rapid heating plastic powder extruder according to claim 3, characterized in that: A heating box (8) is connected between the air inlet pipe (6) and the air outlet pipe (7), and a circulating fan (9) is provided outside the heating box (8).

5. A rapid heating plastic powder extruder according to claim 1, characterized in that: The bottom of the rotating rod (402) passes through the screen (405) and extends to the bottom of the screen (405), the first stirring rod (403) and the crushing blade (404) are arranged in a staggered manner, the top of the protrusion (408) abuts against the screen (405), and the first stirring rod (403) and the crushing blade (404) are arranged on the top of the screen (405).

6. A rapid heating plastic powder extruder according to claim 1, characterized in that: First connecting plates (10) are fixedly mounted on both left and right ends of the box cover (3), and second connecting plates (11) are fixedly mounted on both left and right ends of the mixing box (2), and the first connecting plates (10) and the second connecting plates (11) are connected by bolts.

Citation Information

Patent Citations

  • Molding powder extruder for molding powder production

    CN218462917U