Plastic box production raw material mixing device

Through the mixing rod and heat conduction pipe structure driven by the servo motor, combined with the design of internal and external heaters and scrapers, the problems of slow heating speed and stickiness of existing devices are solved, and the rapid melting and uniform mixing of plastic particles is achieved, and the production efficiency is improved.

CN223199306UActive Publication Date: 2025-08-08SHANGHAI LINGTIAN ELECTRIC CO LTD
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Patent Information

Application Number
CN202422519862.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-18
Publication Date
2025-08-08
Estimated Expiration
2034-10-18

AI Technical Summary

Technical Problem

The existing mixing device has a slow heating speed, which causes uneven melting of plastic particles, affecting production efficiency, and the melted plastic is prone to stick to the mixing rod, resulting in the inability to heat effectively during the next stirring.

Method used

The mixing rod and heat conducting pipe structure driven by a servo motor are combined with internal and external heaters, and the control module is coordinated to control the mixing drum and stirring rod. The heat conducting pipe heats the particles evenly, and prevents sticking through the side and bottom scrapers, and controls the discharge with spiral blades.

Benefits of technology

The rapid melting and uniform mixing of plastic particles is achieved, production efficiency is improved, and the melted plastic is prevented from sticking to the inner wall of the mixing drum, ensuring the continuous use of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a plastic box production raw material mixing device, which comprises a mixing device main body, a stirring assembly is arranged in the mixing device main body, the stirring assembly comprises a stirring barrel, the stirring barrel is arranged in the mixing device main body, a servo motor is arranged at the top of the stirring barrel through a bolt, and the servo motor is connected with the mixing device main body. A stirring rod is mounted at the output end of the servo motor, a plurality of mounting frames are mounted on the stirring rod through bolts, a plurality of connecting rods are mounted on the upper mounting frame, a plurality of mounting holes are formed in the connecting rods, a plurality of connecting plates are mounted on the connecting rods through bolts, and first heat conduction pipes are mounted between the connecting plates; and a stirring blade is mounted on the heat conduction pipe 1. According to the plastic particle mixing device, particles in the mixing drum can be heated and melted, so that raw materials are uniformly mixed and melted in an accelerated manner, the inner wall of the connecting rod can be scraped by arranging the side scraping plate, and the melted plastic particles are prevented from being adhered to the inner wall of the mixing drum.
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Description

Technical Field

[0001] The utility model relates to the technical field of mixing devices, in particular to a raw material mixing device for producing plastic boxes. Background Art

[0002] In the production process of plastic boxes, various types of plastic particles are required. The particles need to be melted and stirred before injection molding. The current mixing device heats the particles slowly, affecting the heating speed. In this regard, a plastic box production raw material mixing device is proposed, which can quickly heat the raw materials and stir and mix them evenly, thereby improving production efficiency.

[0003] After searching, the Chinese patent application number 201921841113.9 discloses a raw material heating and mixing device for plastic production, comprising a stirring box, a closing control mechanism is installed at the bottom of the stirring box, a discharge chamber is installed below the closing control mechanism, and pressure support rods are installed on both sides of the discharge chamber; a stirring motor is installed on the top of the stirring box, a heating pump is installed on one side of the stirring motor, a feed pipe is installed on the other side of the stirring motor, and a stirring rod is installed in the stirring box. The mixing device in the above-mentioned document has the following shortcomings: when the device is set in a heating mode, an air vent is set on the stirring rod, and the air vent discharges hot air, but during the stirring process, the raw materials will melt, and after the stirring is completed, the plastic will block the air vent on the stirring rod, resulting in ineffective heating during the next stirring. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a raw material mixing device for producing plastic boxes.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] A plastic box production raw material mixing device includes a mixing device body, a stirring assembly is arranged in the mixing device body, and a discharging assembly is arranged below the mixing device body. The mixing device also includes a control module. The stirring assembly includes a stirring drum, which is installed inside the mixing device body. A servo motor is installed on the top of the stirring drum by bolts. The servo motor is electrically connected to the control module. A hole is provided in the center of the top of the stirring drum. The output end of the servo motor passes through the hole. A stirring rod is installed at the output end of the servo motor. Several mounting brackets are installed on the stirring rod by bolts. Several connecting rods are installed on the upper mounting bracket. Several mounting holes are provided on the connecting rods. Several connecting plates are installed on the connecting rods by bolts. A heat conduction pipe is installed between the connecting plates. A stirring blade is installed on the heat conduction pipe. The stirring blade has a spiral structure.

[0007] As a further solution of the present invention: the stirring assembly also includes a side scraper, and there are several side scrapers. The side scrapers are in a C-shaped structure. The side scrapers are installed on the ends of the connecting rods by bolts. The side scrapers are located between the connecting rods and are triangular on the outside of the side scrapers.

[0008] As a further solution of the present invention: the stirring assembly also includes a bottom scraper, which is installed on a mounting bracket at the bottom of the stirring rod. The bottom scraper is installed at an angle so that the triangular end face of the bottom scraper contacts the bottom of the stirring drum.

[0009] As a further solution of the present invention: the mixing device also includes a heating component, the heating component includes a heater 1, the heater 1 is installed on one side of the mixing device body, the heater 1 is electrically connected to the control module, the heater 1 is connected to the mixing drum, and a heat conduction plate is provided on the inner wall of the mixing drum.

[0010] As a further solution of the present invention: the heating component also includes a second heater, which is installed on the stirring rod, electrically connected to the control module, and connected to the first heat pipe through the second heat pipe.

[0011] As a further solution of the present invention: the mixing device further comprises supporting legs, a plurality of the supporting legs are provided, and the supporting legs are mounted on the bottom of the mixing device body by bolts.

[0012] As a further solution of the present invention: the mixing device further includes a feed bin, which is installed on the top of the mixing drum.

[0013] As a further solution of the present invention: the mixing device further includes an electric pump, which is installed at the discharge port at the bottom of the mixing drum, and is electrically connected to the control module.

[0014] As a further solution of the present invention: the discharging assembly includes a discharging barrel, which is provided with a feed port and a discharge port, the feed port of the discharging barrel is connected to an electric pump, the discharging barrel is installed on a fixed seat, and a stepper motor is installed on the side of the discharging barrel close to the feed port, the stepper motor is electrically connected to the control module, and a spiral blade is installed at the output end of the stepper motor, and the spiral blade is rotatably installed in the discharging barrel.

[0015] The beneficial effects of the utility model are:

[0016] 1. The control module drives heater 1 and heater 2. Heater 1 heats the mixing drum to melt the plastic particles. The control module drives heater 2 to heat heat pipe 1. When the control module drives the servo motor to rotate the mixing rod, heat pipe 1 can heat and melt the particles in the mixing drum, so that the raw materials are mixed evenly and melted faster. The side scraper can be set to scrape the inner wall of the connecting rod to prevent the melted plastic particles from sticking to the inner wall of the mixing drum. The bottom scraper is set to facilitate the removal of the melted raw materials from the mixing drum and transport them to the next processing area through the discharge assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a structural diagram of a raw material mixing device for producing plastic boxes proposed by the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the stirring assembly proposed in the present utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the installation of the heat pipe 1 and the stirring plate proposed in the utility model;

[0020] Figure 4 This is a structural schematic diagram of the discharge assembly proposed in the utility model.

[0021] In the figure: 1-mixing device body, 2-mixing drum, 3-heater 1, 4-support leg, 5-discharging assembly, 6-electric pump, 7-feeding bin, 8-servo motor, 9-mixing rod, 10-heater 2, 11-mounting frame, 12-connecting rod, 13-side scraper, 14-connecting plate, 15-heat pipe 1, 16-mixing blade, 17-heat pipe 2, 18-discharging drum, 19-stepping motor, 20-spiral blade, 21-fixed seat, 22-bottom scraper. DETAILED DESCRIPTION

[0022] The technical solution of the present utility model will be further described in detail below in conjunction with specific implementation methods.

[0023] The following describes embodiments of the present invention in detail. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended only to explain the present invention and are not to be construed as limiting the present invention.

[0024] Example 1

[0025] A device for mixing raw materials for producing plastic boxes, such as Figure 1As shown, it includes a mixing device body 1, a stirring assembly is arranged in the mixing device body 1, and a discharging assembly 5 is arranged below the mixing device body 1. The mixing device also includes a control module, and the stirring assembly includes a stirring drum 2. The stirring drum 2 is installed inside the mixing device body 1, and a servo motor 8 is installed on the top of the stirring drum 2 by bolts. The servo motor 8 is electrically connected to the control module, and a hole is provided in the top center of the stirring drum 2. The output end of the servo motor 8 passes through the hole, and a stirring rod 9 is installed at the output end of the servo motor 8. Several mounting frames 11 are installed on the stirring rod 9 by bolts, and several connecting rods 12 are installed on the upper mounting frame 11. Several mounting holes are provided on the connecting rod 12, and several connecting plates 14 are installed on the connecting rod 12 by bolts. A heat pipe 15 is installed between the connecting plates 14, and a stirring piece 16 is installed on the heat pipe 15. The stirring piece 16 has a spiral structure.

[0026] The device is further configured as follows: Figure 2 As shown, the stirring assembly also includes a side scraper 13, and a plurality of side scrapers 13 are provided. The side scrapers 13 are C-shaped structures. The side scrapers 13 are installed on the ends of the connecting rods 12 by bolts. The side scrapers 13 are located between the connecting rods 12 and are triangular on the outside of the side scrapers 13.

[0027] The device is further configured as follows: Figure 2 As shown, the stirring assembly further includes a bottom scraper 22 , which is mounted on the mounting frame 11 at the bottom of the stirring rod 9 . The bottom scraper 22 is installed at an angle so that the triangular end surface of the bottom scraper 22 contacts the bottom of the mixing drum 2 .

[0028] The device is further configured as follows: Figure 1 As shown, the mixing device also includes a heating component, which includes a heater 3. The heater 3 is installed on one side of the mixing device body 1. The heater 3 is electrically connected to the control module. The heater 3 is connected to the mixing drum 2, and a heat conducting plate is provided on the inner wall of the mixing drum 2.

[0029] The device is further configured as follows: Figure 2 、 Figure 3 As shown, the heating assembly further includes a second heater 10 , which is mounted on the stirring rod 9 , is electrically connected to the control module, and is connected to the first heat pipe 15 via the second heat pipe 17 .

[0030] The control module drives heater 1 3 and heater 2 10, heater 1 3 heats the mixing drum 2 to melt the plastic particles, and the control module drives heater 2 10 to heat the heat pipe 1 15. When the control module drives the servo motor 8 to rotate the stirring rod 9, the heat pipe 1 15 can heat and melt the particles in the mixing drum 2, so that the raw materials are evenly mixed and melted faster. The side scraper 13 can be provided to scrape the inner wall of the connecting rod 12 to prevent the melted plastic particles from sticking to the inner wall of the mixing drum 2. The bottom scraper 22 is provided to facilitate the removal of the melted raw materials from the mixing drum 2 and transport them to the next processing area through the discharge assembly 5.

[0031] The device is further configured as follows: Figure 1 As shown, the mixing device further includes a supporting leg 4 , and a plurality of supporting legs 4 are provided. The supporting legs 4 are mounted on the bottom of the mixing device body 1 by bolts.

[0032] The device is further configured as follows: Figure 1 As shown, the mixing device further includes a feed bin 7 , which is installed on the top of the mixing drum 2 .

[0033] The device is further configured as follows: Figure 1 As shown, the mixing device further includes an electric pump 6 , which is installed at the discharge port at the bottom of the mixing drum 2 , and is electrically connected to the control module.

[0034] The device is further configured as follows: Figure 1 、 Figure 4 As shown, the discharging assembly 5 includes a discharging barrel 18, which is provided with a feed port and a discharge port. The feed port of the discharging barrel 18 is connected to the electric pump 6. The discharging barrel 18 is installed on a fixed seat 21. A stepper motor 19 is installed on the side of the discharging barrel 18 close to the feed port. The stepper motor 19 is electrically connected to the control module. A spiral blade 20 is installed at the output end of the stepper motor 19, and the spiral blade 20 is rotatably installed in the discharging barrel 18.

[0035] The stepper motor 19 is driven by the control module to rotate the spiral blade 20 to bring the mixed raw materials out of the mixing device. The spiral blade 20 is provided to facilitate the control of the speed and amount of the discharge.

[0036] Working principle: Pour the raw materials into the mixing drum 2 through the feed bin 7, and drive the heating component through the control module to heat the raw materials. At the same time, the control module drives the servo motor 8 to drive the stirring rod 9 to rotate, so that the side scraper 13, the bottom scraper 22 and the stirring blade 16 stir the raw materials so that the raw materials can be evenly mixed after melting. During the stirring process, the heat pipe 15 heats the raw material particles inside the mixing drum 2 to increase the melting speed. After melting and stirring evenly, the control module drives the electric pump 6 to send the raw materials out of the mixing drum 2, and then the control module drives the stepper motor 19 to send the raw materials out of the mixing device.

[0037] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A plastic box production raw material mixing device, comprising a mixing device body (1), characterized in that: A stirring assembly is provided in a mixing device body (1), and a discharging assembly (5) is provided below the mixing device body (1). The mixing device further comprises a control module. The stirring assembly comprises a stirring drum (2), and the stirring drum (2) is installed inside the mixing device body (1). A servo motor (8) is installed on the top of the stirring drum (2) by means of bolts. The servo motor (8) is electrically connected to the control module. A hole is provided in the center of the top of the stirring drum (2), and the output end of the servo motor (8) passes through the hole. The output end of the motor (8) is provided with a stirring rod (9), a plurality of mounting brackets (11) are mounted on the stirring rod (9) by means of bolts, a plurality of connecting rods (12) are mounted on the upper mounting brackets (11), a plurality of mounting holes are provided on the connecting rods (12), a plurality of connecting plates (14) are mounted on the connecting rods (12) by means of bolts, a heat conducting pipe (15) is mounted between the connecting plates (14), a stirring plate (16) is mounted on the heat conducting pipe (15), and the stirring plate (16) is in a spiral structure.

2. A plastic box production raw material mixing device according to claim 1, characterized in that: The stirring assembly further comprises a side scraper (13), a plurality of side scrapers (13) are provided, and the side scrapers (13) are in a C-shaped structure. The side scrapers (13) are mounted on the ends of the connecting rods (12) by bolts. The side scrapers (13) are located between the connecting rods (12) and are in a triangular shape on the outside of the side scrapers (13).

3. A plastic box production raw material mixing device according to claim 2, characterized in that: The stirring assembly further comprises a bottom scraper (22), which is mounted on a mounting frame (11) at the bottom of the stirring rod (9). The bottom scraper (22) is installed at an angle so that the triangular end surface of the bottom scraper (22) contacts the bottom of the stirring drum (2).

4. A plastic box production raw material mixing device according to claim 3, characterized in that: The mixing device further comprises a heating component, wherein the heating component comprises a heater 1 (3), wherein the heater 1 (3) is installed on one side of the mixing device body (1), the heater 1 (3) is electrically connected to the control module, the heater 1 (3) is connected to the mixing drum (2), and a heat conducting plate is provided on the inner wall of the mixing drum (2).

5. A plastic box production raw material mixing device according to claim 4, characterized in that: The heating assembly further comprises a second heater (10), which is mounted on the stirring rod (9), is electrically connected to the control module, and is connected to the first heat pipe (15) via the second heat pipe (17).

6. A plastic box production raw material mixing device according to claim 5, characterized in that: The mixing device further comprises a supporting leg (4), a plurality of the supporting legs (4) are provided, and the supporting legs (4) are mounted on the bottom of the mixing device body (1) by means of bolts.

7. A plastic box production raw material mixing device according to claim 6, characterized in that: The mixing device further comprises a feed bin (7), which is mounted on the top of the mixing drum (2).

8. A plastic box production raw material mixing device according to claim 7, characterized in that: The mixing device further comprises an electric pump (6), which is installed at the discharge port at the bottom of the mixing drum (2), and is electrically connected to the control module.

9. A plastic box production raw material mixing device according to claim 8, characterized in that: The discharging assembly (5) includes a discharging barrel (18), which is provided with a feed port and a discharge port. The feed port of the discharging barrel (18) is connected to the electric pump (6). The discharging barrel (18) is installed on a fixed seat (21). A stepper motor (19) is installed on the side of the discharging barrel (18) close to the feed port. The stepper motor (19) is electrically connected to the control module. A spiral blade (20) is installed at the output end of the stepper motor (19). The spiral blade (20) is rotatably installed in the discharging barrel (18).

Citation Information

Patent Citations

  • Raw material heating and mixing device for plastic production

    CN211221512U