PHBV / PLA material melting and mixing device

Abstract

The utility model belongs to the technical field of melting equipment, and particularly relates to a PHBV / PLA material melting and mixing device which comprises a mixing barrel and a water tank, the periphery of the mixing barrel is fixedly connected with a feeding pipe, the periphery of the mixing barrel is fixedly connected with a discharging pipe, the other end of the discharging pipe is fixedly connected with a second water pump, a stirring assembly is arranged in the mixing barrel, and the stirring assembly is connected with the water tank. The stirring assembly comprises a driving gear, the driving gear is rotationally connected to the top of the inner side of the mixing barrel, a driven gear is slidably connected to the top of the inner side of the mixing barrel, the driving gear and the driven gear are meshed with each other, and a gear ring is fixedly connected to the interior of the mixing barrel. According to the PHBV / PLA material mixing device, the driving gear, the driven gear, the gear ring, the stirring rod, the stirring blades, the limiting plate, the limiting ring, the motor and the rotating rod are matched to stir PHBV / PLA materials in the mixing barrel, so that the PHBV / PLA materials are uniformly mixed, and the melting effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of melting equipment, in particular to a melting and mixing device for PHBV / PLA materials. Background Art

[0002] Both PHBV and PLA are biodegradable plastics, which have the advantage of reducing environmental impact. PHBV is more suitable for applications that require higher biocompatibility and hydrothermal stability, while PLA is widely used in the fields of packaging and 3D printing due to its excellent processing performance and high transparency. Melting and mixing of PHBV / PLA materials can improve the comprehensive performance of the materials.

[0003] The prior art has the following defects or problems: The prior art with the publication number of CN220614593U discloses an engineering plastic melting and mixing device, including a mixing housing. The top outer wall of the mixing housing is connected with a top cover through a flange, and the top outer wall of the top cover is welded with a first feed pipe and a second feed pipe. One ends of the first feed pipe and the second feed pipe are inserted into the interior of the mixing housing. A driving motor is installed at the bottom outer wall of the mixing housing near the center through bolts, and the output end of the driving motor penetrates into the interior of the mixing housing. The output end of the driving motor is connected with a transmission rod, and a plurality of stirring rods are welded on one outer wall of the transmission rod; through the arranged top cover, guiding housing and guiding plate, the raw materials entering through the first feed pipe and the second feed pipe can be guided during use, so that the distribution of the two raw materials in the mixing housing can be made more uniform during use, and the melting effect and melting efficiency of the raw materials can be improved.

[0004] The above-mentioned device guides the raw materials entering through the first feed pipe and the second feed pipe during use, so that the distribution of the two raw materials in the mixing housing can be made more uniform during use. However, in the above-mentioned technology, only one stirring rod is used to stir the interior during mixing, resulting in uneven stirring, thereby reducing the melting effect.

[0005] It should be noted that the above content belongs to the technical cognition scope of the inventor and does not necessarily constitute the prior art. Content of the Utility Model

[0006] Aiming at the deficiencies of the prior art, the utility model provides a melting and mixing device for PHBV / PLA materials, which solves the existing problems.

[0007] To achieve the above object, the present utility model provides the following technical solution: A molten mixing device for PHBV / PLA materials, comprising a mixing barrel and a water tank. The outer periphery of the mixing barrel is fixedly connected with a feeding pipe, the outer periphery of the mixing barrel is fixedly connected with a discharging pipe, the other end of the discharging pipe is fixedly connected with a second water pump, and a stirring assembly is arranged inside the mixing barrel;

[0008] The stirring assembly includes a driving gear, the driving gear is rotatably connected to the inner top of the mixing barrel, a driven gear is slidably connected to the inner top of the mixing barrel, the driving gear meshes with the driven gear, a gear ring is fixedly connected inside the mixing barrel, the driven gear meshes with the gear ring, both the bottom of the driving gear and the bottom of the driven gear are fixedly connected with stirring rods, and a plurality of uniformly distributed stirring blades are fixedly connected to the outer peripheries of the two stirring rods. A solenoid valve is fixedly connected to the bottom of the mixing barrel, and a driving assembly is arranged at the top of the mixing barrel;

[0009] The bottom of the mixing barrel is fixedly connected with a support plate, the bottom of the support plate is fixedly connected with a plurality of uniformly distributed support legs, the water tank is located below the mixing barrel, and a cleaning assembly is arranged on the left side of the water tank.

[0010] As a preferred technical solution of the present utility model, the cleaning assembly includes a water suction pipe, the water suction pipe is fixedly connected to the left side of the water tank, the other end of the water suction pipe is fixedly connected with a first water pump, the first water pump is fixedly connected to the top of the support plate, the top of the first water pump is fixedly connected with a conveying water pipe, the other end of the conveying water pipe is fixedly connected with a cleaning water pipe, the cleaning water pipe is fixedly connected inside the mixing barrel, and a filtering assembly is arranged inside the water tank.

[0011] As a preferred technical solution of the present utility model, the filtering assembly includes a filter plate, the filter plate is slidably connected inside the water tank, clamping grooves are arranged at both the left and right ends of the filter plate, two clamping blocks are slidably connected inside the water tank, the two clamping blocks are respectively clamped inside the two clamping grooves, and a pull rod is fixedly connected to the outer side of each of the two clamping blocks away from each other. Springs are sleeved on the outer peripheries of the two pull rods.

[0012] As a preferred technical solution of the present utility model, the driving assembly includes a motor, the motor is fixedly connected to the top of the mixing barrel, the output end of the motor is fixedly connected with a rotating rod, and the bottom of the rotating rod is fixedly connected to the top of the driving gear.

[0013] As a preferred technical solution of the present utility model, a limiting plate is fixedly connected to the bottom of the driving gear, a limiting ring is fixedly connected to the bottom of the gear ring, and the driven gear abuts against the tops of the limiting plate and the limiting ring.

[0014] As a preferred technical solution of the present utility model, two limiting grooves are provided inside the water tank, and the two pull rods are respectively slidably connected inside the two limiting grooves, and limiting blocks are fixedly connected to the opposite sides of the two pull rods.

[0015] As a preferred technical solution of the present utility model, a handle is fixedly connected to the front end of the filter plate, and pull handles are fixedly connected to the opposite sides of the two limiting blocks.

[0016] Compared with the prior art, the present utility model provides a melting and mixing device for PHBV / PLA materials, which has the following beneficial effects:

[0017] 1. For the melting and mixing device for PHBV / PLA materials, through the cooperation among the driving gear, driven gear, gear ring, stirring rod, stirring blade, limiting plate, limiting ring, motor and rotating rod, the motor can be started to drive the driving gear to rotate, the driving gear drives the driven gear to rotate, and the rotation of the driven gear cooperates with the gear ring, so that the driven gear makes a planetary gear movement around the driving gear, thereby enabling the stirring rod to stir the PHBV / PLA materials inside the mixing barrel through the stirring blade, so that the PHBV / PLA materials are mixed evenly, thereby improving the melting effect;

[0018] 2. For the melting and mixing device for PHBV / PLA materials, through the cooperation among the water tank, water suction pipe, water pump I, conveying water pipe and cleaning water pipe, the water pump can be started to suck up the cleaning water inside the water tank through the water suction pipe, and then convey it into the cleaning water pipe through the conveying water pipe, thereby flushing the storage barrel and improving the cleaning efficiency of the equipment. Moreover, through the cooperation of the filter plate, handle, card slot, limiting groove, clamping block, pull rod, spring, limiting block and pull handle, the sewage after cleaning can be filtered through the filter plate. Also, the pull handle can be pulled to pull out the clamping block from the card slot through the pull rod, so that the filter plate loses restraint, and then the filter plate can be removed for cleaning or replacement, thus improving the cleaning and replacement efficiency of the filter plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a schematic structural diagram of the present utility model;

[0020] Figure 2 is a schematic structural diagram of the mixing barrel in the present utility model;

[0021] Figure 3 is a schematic structural diagram of the driving gear in the present utility model;

[0022] Figure 4 is a schematic structural diagram of the water tank in the present utility model;

[0023] Figure 5 is a schematic structural diagram of the filter plate in the present utility model;

[0024] Figure 6 For Figure 5 The enlarged view of part A in

[0025] In the figure: 1, mixing barrel; 2, driving gear; 3, driven gear; 4, gear ring; 5, stirring rod; 6, stirring blade; 7, limiting plate; 8, limiting ring; 9, motor; 10, rotating rod; 11, solenoid valve; 12, water tank; 13, water suction pipe; 14, water pump I; 15, conveying water pipe; 16, cleaning water pipe; 17, filter plate; 18, handle; 19, card slot; 20, limiting slot; 21, fixture block; 22, pull rod; 23, spring; 24, limiting block; 25, handle; 26, support plate; 27, support leg; 28, feeding pipe; 29, discharging pipe; 30, water pump II. Specific embodiments

[0026] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0027] Please refer to Figure 1 - Figure 3 , in this implementation: A molten mixing device for PHBV / PLA materials includes a mixing barrel 1 and a water tank 12. The outer periphery of the mixing barrel 1 is fixedly connected with a feeding pipe 28, and the outer periphery of the mixing barrel 1 is fixedly connected with a discharging pipe 29. The other end of the discharging pipe 29 is fixedly connected with a water pump II 30. A stirring assembly is arranged inside the mixing barrel 1;

[0028] Specifically, the mixing barrel 1 is used to mix PHBV / PLA materials. The feeding pipe 28 is arranged on the outer periphery of the mixing barrel 1 for supplementing materials inside the mixing barrel 1. The discharging pipe 29 is arranged on the outer periphery of the mixing barrel 1, and is used to take out the materials mixed in the mixing barrel 1 through the water pump II 30.

[0029] The stirring assembly includes a driving gear 2, which is rotatably connected to the inner top of the mixing barrel 1. A driven gear 3 is slidably connected to the inner top of the mixing barrel 1. The driving gear 2 meshes with the driven gear 3. A gear ring 4 is fixedly connected inside the mixing barrel 1, and the driven gear 3 meshes with the gear ring 4. Stirring rods 5 are fixedly connected to the bottoms of both the driving gear 2 and the driven gear 3. A plurality of evenly distributed stirring blades 6 are fixedly connected to the outer peripheries of the two stirring rods 5. A solenoid valve 11 is fixedly connected to the bottom of the mixing barrel 1. A driving assembly is arranged at the top of the mixing barrel 1. The driving assembly includes a motor 9, which is fixedly connected to the top of the mixing barrel 1. The output end of the motor 9 is fixedly connected to a rotating rod 10, and the bottom of the rotating rod 10 is fixedly connected to the top of the driving gear 2. A limiting plate 7 is fixedly connected to the bottom of the driving gear 2, and a limiting ring 8 is fixedly connected to the bottom of the gear ring 4. The driven gear 3 abuts against the tops of the limiting plate 7 and the limiting ring 8.

[0030] Specifically, the driving gear 2 rotates on the inner top of the mixing barrel 1 to drive the driven gear 3 to rotate when the driving gear 2 rotates. The gear ring 4 is fixed on the inner wall of the mixing barrel 1 to cooperate with the gear ring 4 when the driving gear 2 drives the driven gear 3 to rotate, so that the driven gear 3 makes a planetary gear rotation around the driving gear 2. Stirring rods 5 are arranged at the bottoms of the driving gear 2 and the driven gear 3 to drive the stirring rods 5 to move when the driving gear 2 and the driven gear 3 move. The stirring rods 5 stir the PHBV / PLA material inside the mixing barrel 1 through the stirring blades 6 to ensure the uniform mixing of the PHBV / PLA material. The limiting plate 7 is arranged below the driving gear 2, and the limiting ring 8 is arranged below the gear ring 4 to ensure that the driven gear 3 is between the driving gear 2 and the gear ring 4. The motor 9 is arranged on the mixing barrel 1 to drive the rotating rod 10 to rotate, and the rotating rod 10 is used to drive the driving gear 2 to rotate. A solenoid valve 11 is fixedly connected to the bottom of the mixing barrel 1 to control the switch at the bottom.

[0031] A support plate 26 is fixedly connected to the bottom of the mixing barrel 1. A plurality of evenly distributed support legs 27 are fixedly connected to the bottom of the support plate 26. The water tank 12 is located below the mixing barrel 1, and a cleaning assembly is arranged on the left side of the water tank 12.

[0032] Specifically, the support plate 26 is arranged at the bottom of the mixing barrel 1 to support the equipment, and the support legs 27 are arranged at the bottom of the support plate 26 to fix the support plate 26.

[0033] Please refer to Figure 4 - Figure 6, in this embodiment, the cleaning component includes a water suction pipe 13, the water suction pipe 13 is fixedly connected to the left side of the water tank 12, the other end of the water suction pipe 13 is fixedly connected to a first water pump 14, the first water pump 14 is fixedly connected to the top of the support plate 26, the top of the first water pump 14 is fixedly connected to a water delivery pipe 15, the other end of the water delivery pipe 15 is fixedly connected to a cleaning water pipe 16, the cleaning water pipe 16 is fixedly connected inside the mixing barrel 1, a filtering component is arranged inside the water tank 12, the filtering component includes a filter plate 17, the filter plate 17 is slidably connected inside the water tank 12, clamping grooves 19 are arranged at both the left and right ends of the filter plate 17, two clamping blocks 21 are slidably connected inside the water tank 12, the two clamping blocks 21 are respectively clamped inside the two clamping grooves 19, a pull rod 22 is fixedly connected to each side of the two clamping blocks 21 away from each other, springs 23 are sleeved on the outer circumferences of the two pull rods 22, two limiting grooves 20 are formed inside the water tank 12, the two pull rods 22 are respectively slidably connected inside the two limiting grooves 20, a limiting block 24 is fixedly connected to each side of the two pull rods 22 away from each other, a handle 18 is fixedly connected to the front end of the filter plate 17, and a pull handle 25 is fixedly connected to each side of the two limiting blocks 24 away from each other.

[0034] Specifically, the water tank 12 is arranged at the bottom of the mixing barrel 1 for storing cleaning water. The water suction pipe 13 is arranged on the left side of the water tank 12 for sucking the water inside the water tank 12 through the first water pump 14, and then sending the water into the water delivery pipe 15 through the first water pump 14, and cleaning the inside of the mixing barrel 1 through the cleaning water pipe 16. The filter plate 17 inside the water tank 12 can filter the sewage flowing down from the mixing barrel 1. The handle 18 is arranged on the filter plate 17 for the operator to better pull out the filter plate 17. The clamping groove 19 is arranged on the filter plate 17 for clamping the clamping block 21 into the clamping groove 19, so that the filter plate 17 is fixed inside the water tank 12. The limiting groove 20 is arranged inside the water tank 12 for providing a moving space for the clamping block 21 and the pull rod 22. The pull rod 22 is arranged at both ends of the clamping block 21 for pulling out the clamping block 21 from the clamping groove 19, so that the filter plate 17 loses its fixation. The spring 23 is sleeved on the outer circumference of the pull rod 22 for resetting the movement of the clamping block 21. The limiting block 24 is arranged at one end of the pull rod 22 for preventing the spring 23 from resetting the clamping block 21 too far. The pull handle 25 is arranged on the limiting block 24 for the operator to better pull the clamping block 21.

[0035] The working principle and usage process of the present utility model: When it is necessary to make the PHBV / PLA materials inside the mixing barrel 1 be mixed evenly, start the motor 9 to drive the rotating rod 10 to rotate. The rotating rod 10 transmits the rotation to the driving gear 2, and the driving gear 2 drives the driven gear 3 to rotate. The rotation of the driven gear 3 cooperates with the toothed ring 4, so that the driven gear 3 makes a planetary gear movement around the driving gear 2. Thus, the stirring rod 5 stirs the PHBV / PLA materials inside the mixing barrel 1 through the stirring blades 6, so that the PHBV / PLA materials are mixed evenly, thereby improving the melting effect.

[0036] When it is necessary to clean the mixing barrel 1, start the first water pump 14 to suck up the cleaning water inside the water tank 12 through the suction pipe 13, and then transport it to the cleaning water pipe 16 through the delivery pipe 15, so as to wash the mixing barrel 1. Open the solenoid valve 11 to make the cleaned sewage re-enter the water tank 12 and be filtered by the filter plate 17 to reduce the waste of water resources. When it is necessary to clean or replace the filter plate 17, first pull the handle 25 to drive the pull rod 22 to move, so that the clamping block 21 is pulled out of the clamping groove 19, making the filter plate 17 lose its fixation, and then the filter plate 17 can be pulled out through the handle 18 for cleaning or replacement. When installing a new filter plate 17 or the cleaned filter plate 17, first pull the handle 25 to make the clamping block 21 enter the limiting groove 20, then install the filter plate 17 in its original position, and release the force on the handle 25. The spring 23 releases the tension to snap the clamping block 21 into the clamping groove 19, and the installation can be completed, thus improving the efficiency of replacing the filter plate 17.

[0037] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A PHBV / PLA material melting and mixing device, comprising a mixing barrel (1) and a water tank (12). The outer periphery of the mixing barrel (1) is fixedly connected with a feeding pipe (28), and the outer periphery of the mixing barrel (1) is fixedly connected with a discharging pipe (29). The other end of the discharging pipe (29) is fixedly connected with a second water pump (30), and it is characterized in that: A stirring assembly is arranged inside the mixing barrel (1); The stirring assembly includes a driving gear (2) which is rotatably connected to the inner top of the mixing barrel (1). A driven gear (3) is slidably connected to the inner top of the mixing barrel (1). The driving gear (2) meshes with the driven gear (3). A toothed ring (4) is fixedly connected inside the mixing barrel (1). The driven gear (3) meshes with the toothed ring (4). Stirring rods (5) are fixedly connected to the bottoms of both the driving gear (2) and the driven gear (3). A plurality of uniformly distributed stirring blades (6) are fixedly connected to the outer circumferences of the two stirring rods (5). A solenoid valve (11) is fixedly connected to the bottom of the mixing barrel (1). A driving assembly is arranged at the top of the mixing barrel (1); A support plate (26) is fixedly connected to the bottom of the mixing barrel (1). A plurality of uniformly distributed support legs (27) are fixedly connected to the bottom of the support plate (26). A water tank (12) is located below the mixing barrel (1). A cleaning assembly is arranged on the left side of the water tank (12).

2. The melting and mixing device for a PHBV / PLA material according to claim 1, wherein: The cleaning assembly includes a water suction pipe (13) which is fixedly connected to the left side of the water tank (12). The other end of the water suction pipe (13) is fixedly connected to a water pump I (14). The water pump I (14) is fixedly connected to the top of the support plate (26). A delivery pipe (15) is fixedly connected to the top of the water pump I (14). The other end of the delivery pipe (15) is fixedly connected to a cleaning water pipe (16). The cleaning water pipe (16) is fixedly connected inside the mixing barrel (1). A filtering assembly is arranged inside the water tank (12).

3. A PHBV / PLA material melt mixing device according to claim 2, characterized in that: The filtering assembly includes a filter plate (17) which is slidably connected inside the water tank (12). Card slots (19) are arranged at both the left and right ends of the filter plate (17). Two clamping blocks (21) are slidably connected inside the water tank (12). The two clamping blocks (21) are respectively clamped inside the two card slots (19). Pulling rods (22) are fixedly connected to the sides of the two clamping blocks (21) away from each other. Springs (23) are sleeved on the outer circumferences of the two pulling rods (22).

4. A PHBV / PLA material melt mixing device according to claim 1, characterized in that: The driving assembly includes a motor (9) which is fixedly connected to the top of the mixing barrel (1). A rotating rod (10) is fixedly connected to the output end of the motor (9). The bottom of the rotating rod (10) is fixedly connected to the top of the driving gear (2).

5. A PHBV / PLA material melt mixing device according to claim 1, characterized in that: A limiting plate (7) is fixedly connected to the bottom of the driving gear (2). A limiting ring (8) is fixedly connected to the bottom of the toothed ring (4). The driven gear (3) abuts against the tops of the limiting plate (7) and the limiting ring (8).

6. The melting and mixing device for a PHBV / PLA material according to claim 3, wherein: Two limiting grooves (20) are formed inside the water tank (12). The two pulling rods (22) are respectively slidably connected inside the two limiting grooves (20). Limiting blocks (24) are fixedly connected to the sides of the two pulling rods (22) away from each other.

7. A PHBV / PLA material melting and mixing device according to claim 6, characterized in that: A handle (18) is fixedly connected to the front end of the filter plate (17), and a handle (25) is fixedly connected to each of the two opposite sides of the limiting blocks (24).

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