Mixing device for plastic product production

Abstract

The utility model discloses a mixing device for plastic product production, which comprises a feeding frame, a spiral feeding barrel, a mixing barrel and a control switch, wherein two feeding hoppers are fixed on the feeding frame; a first spiral discharging groove and a second spiral discharging groove are formed in the feeding barrel; the two feed hoppers are respectively communicated with the first spiral blanking groove and the second spiral blanking groove through pipelines; the feeding frame is fixed on the mixing barrel through the spiral feeding barrel; the control switch is arranged on one side of the mixing barrel; a stirring frame and a driving motor are arranged in the mixing barrel, the control switch controls the driving motor to start and stop, and the driving motor drives the stirring frame to rotate; a tank body discharge hole is formed in the lower part of the mixing barrel and is communicated with a feed hole of plastic forming equipment; during use, the stirring frame is started firstly, and plastic particles contained in the two feeding hoppers spirally enter the mixing barrel to be stirred; the stirring frame is directly mounted in front of plastic forming equipment, and can realize feeding while mixing.

Description

Technical Field

[0001] This utility model belongs to the technical field of plastic product manufacturing and processing equipment, specifically relating to a mixing device for plastic product manufacturing. Background Technology

[0002] Plastic products are widely used in modern life and industrial products. They are made from plastic granules, which are synthetic polymer materials with plasticity. Plastic granules are fed into the feed inlet of plastic molding equipment. Different plastic products use different plastic granules, and sometimes multiple plastic granules are mixed before entering the plastic molding equipment.

[0003] Existing plastic pellet mixers involve directly adding various types of plastic pellets into a mixing tank and stirring them with a stirring rod. This process results in stratification of the added plastic pellets, which affects the mixing effect. Summary of the Invention

[0004] The purpose of this invention is to solve the above-mentioned problems and to provide a mixing device for the production of plastic products.

[0005] A mixing device for producing plastic products includes: a feeding rack, a spiral feeding hopper, a mixing hopper, and a control switch. Two feeding hoppers are fixed on the feeding rack. The feeding hopper contains a first spiral feeding trough and a second spiral feeding trough. The two feeding hoppers are respectively connected to the first and second spiral feeding troughs via pipelines. The feeding rack is fixed to the mixing hopper via the spiral feeding hopper. The control switch is located on one side of the mixing hopper. The mixing hopper contains a stirring rack and a drive motor. The control switch controls the start and stop of the drive motor, which drives the stirring rack to rotate. A tank outlet is located at the bottom of the mixing hopper and is connected to the inlet of a plastic molding equipment. Plastic granules contained in the two feeding hoppers spirally enter the mixing hopper, and the stirring rack stirs the plastic granules.

[0006] The feeding rack has two feeding hoppers, namely a first feeding hopper and a second feeding hopper. The first feeding hopper has a first hopper discharge port below it, and the second feeding hopper has a second hopper discharge port below it. The first hopper discharge port and the second hopper discharge port are located below the feeding rack. The diameter of the feeding port of the first feeding hopper is larger than the diameter of the discharge port of the first hopper. The diameter of the feeding port of the second feeding hopper is larger than the diameter of the discharge port of the second hopper.

[0007] The spiral feed barrel includes: an upper bracket and a feed barrel; the upper bracket is provided with a first feed seat and a second feed seat, the discharge port of the first hopper can be fitted into the first feed seat; the discharge port of the second hopper can be fitted into the second feed seat; the upper part of the inner wall of the feed barrel is provided with a number of connecting lugs, each connecting lug is provided with a threaded hole, the feed frame is also provided with a number of bolt countersunk holes, and the upper bracket is provided with a number of screw through holes; the number of threaded holes, bolt countersunk holes and screw through holes are the same, and their center lines coincide, and the threaded holes, bolt countersunk holes and screw through holes are connected by bolt rods.

[0008] The feeding hopper is provided with a first spiral feeding groove and a second spiral feeding groove, which spiral downwards around the same axis; the upper part of the first spiral feeding groove corresponds to the first feeding seat; the upper part of the second spiral feeding groove corresponds to the second feeding seat; the lower part of the first spiral feeding groove and the second spiral feeding groove extends to the bottom of the feeding hopper.

[0009] The mixing tank also includes: a tank body, a drive shaft, a worm gear, a worm, a drive motor, and a discharge baffle; a tank inlet is provided on the upper side of the tank body, and the bottom of the feeding tank is fitted onto the tank inlet; a mixing rack is axially connected to the tank body via the drive shaft; the worm gear is fixed to the lower end of the drive shaft; the worm shaft is axially connected to the outer end face of the lower end of the tank body, and the worm and worm gear mesh for transmission; the electric spindle of the drive motor is connected to the worm; a tank outlet is provided on one side below the tank body, and a discharge baffle is provided at the tank outlet.

[0010] This technical solution provides a mixing device for plastic product manufacturing, comprising: a feeding rack, a spiral feeding hopper, a mixing hopper, and a control switch. Two feeding hoppers are fixed on the feeding rack. The feeding hopper contains a first spiral feeding trough and a second spiral feeding trough. The two feeding hoppers are respectively connected to the first and second spiral feeding troughs via pipelines. The feeding rack is fixed to the mixing hopper via the spiral feeding hopper. The control switch is located on one side of the mixing hopper. The mixing hopper contains a stirring rack and a drive motor. The control switch controls the start and stop of the drive motor, which in turn drives the stirring rack to rotate. A tank outlet is located at the bottom of the mixing hopper, connected to the inlet of a plastic molding equipment. During use, the stirring rack starts first, and the plastic granules contained in the two feeding hoppers spirally enter the mixing hopper to stir the plastic granules. This device is directly installed in front of the plastic molding equipment, enabling simultaneous mixing and feeding. Attached Figure Description

[0011] Figure 1 This is an overall schematic diagram of a mixing device for producing plastic products according to this utility model;

[0012] Figure 2 This is a schematic diagram showing the connection of various components of a mixing device for producing plastic products according to this utility model;

[0013] Figure 3 This is a schematic diagram of the feeding rack structure of a mixing device for producing plastic products according to this utility model;

[0014] Figure 4 This is a schematic diagram of a screw feeder for a mixing device used in the production of plastic products according to this utility model;

[0015] Figure 5 This is a schematic diagram of the mixing tank structure of a mixing device for producing plastic products according to this utility model;

[0016] Figure 6 This is a partial enlarged view of the mixing tank of a mixing device for producing plastic products according to this utility model. Detailed Implementation

[0017] The technical solution will be further described clearly and completely below with reference to the accompanying drawings. The described embodiments are only a part of the technical solution, not all of the embodiments. All other embodiments obtained by those skilled in the art based on this technical solution without creative effort are within the scope of protection of this utility model.

[0018] Example 1

[0019] See Figures 1 to 6 As shown, a mixing device for producing plastic products includes: a feeding rack 1, a screw feeder 2, a mixing tank 3, and a control switch 4;

[0020] The feeding rack 1 is a circular rack with two feeding hoppers fixed on it. The two feeding hoppers are a first feeding hopper 11 and a second feeding hopper 12. The first feeding hopper 11 has a first hopper discharge port below it, and the second feeding hopper 12 has a second hopper discharge port 122 below it. The first hopper discharge port and the second hopper discharge port are located below the feeding rack 1.

[0021] The diameter of the feeding port of the first feeding hopper 11 is larger than the diameter of the discharge port of the first hopper; the diameter of the feeding port of the second feeding hopper 12 is larger than the diameter of the discharge port 122 of the second hopper.

[0022] The first feed hopper 11 and the second feed hopper 12 can be configured with different hopper capacities according to different production volume requirements.

[0023] The spiral feed hopper 2 includes: an upper bracket 21 and a feed hopper 22; the upper bracket 21 is provided with a first feed seat 211 and a second feed seat 212, the first hopper discharge port can be fitted into the first feed seat 211; the second hopper discharge port 122 can be fitted into the second feed seat 212;

[0024] The inner wall of the feed hopper 22 is provided with several connecting lugs 221, each of which has a threaded hole. The feed rack 1 is also provided with multiple bolt countersunk holes 13, and the upper bracket 21 is provided with multiple screw through holes 213. The number of threaded holes, bolt countersunk holes 13 and screw through holes 213 are the same, and their center lines coincide. The threaded holes, bolt countersunk holes 13 and screw through holes 213 are connected by bolt rods 5.

[0025] The feed hopper 22 is provided with a first spiral feeding groove 223 and a second spiral feeding groove 224, which spiral downward around the same axis.

[0026] The first spiral feeding groove 223 and the second spiral feeding groove 224 are not connected to each other; the upper part of the first spiral feeding groove 223 corresponds to the first feed seat 211; the upper part of the second spiral feeding groove 224 corresponds to the second feed seat 212.

[0027] The first spiral feeding groove 223 and the second spiral feeding groove 224 extend to the bottom of the feeding barrel 22; the feeding barrel 22 is provided with a feeding barrel fixing edge 226 on the lower part of the barrel, and the bottom of the feeding barrel 22 is provided with a positioning support part 227.

[0028] The mixing tank 3 includes: a tank body 31, a stirring frame 32, a drive shaft 33, a worm gear 34, a worm 35, a drive motor 36, and a discharge baffle 37;

[0029] The tank body 31 has a tank inlet 311 on the upper side, and a tank support 312 is provided on one side of the tank inlet 311; the lower end face of the tank support 312 has a shaft upper shaft connecting ring, and an upper bearing is provided in the shaft upper shaft connecting ring; the edge of the tank inlet 311 is adapted to the feeding barrel fixing edge 226, and the feeding barrel fixing edge 226 can be sleeved on the tank inlet 311; the tank support 312 is sleeved on the positioning support part 227;

[0030] The tank body 31 has a tank outlet 313 on one side below, and a discharge port groove 314 is provided on the tank outlet 313. A discharge baffle 37 is provided at the tank outlet 313 and can slide in the discharge port groove 314. The discharge baffle 37 can open or close the discharge path of the outlet 313.

[0031] The tank body 31 has a shaft connection part at the bottom inside, and the stirring rack 32 is shafted to the tank body 31 through the drive shaft 33; the drive shaft 33 is shafted to the shaft connection part; the top of the drive shaft 33 is shafted to the upper shaft connection ring through the upper bearing;

[0032] The stirring rack 32 is provided with several stirring blades 321 above it and a scraper 322 below it. The scraper 322 is an arc-shaped rubber strip. The lower end face of the scraper 322 is in close contact with the bottom end face of the tank 31. The arc-shaped scraper 322 can sweep across the entire bottom end face of the tank 31, making it convenient for plastic particles to be discharged from the outlet 313.

[0033] The worm gear 34 is fixed to the lower end of the drive shaft 33; the worm 35 is shaft-connected to the outer end face of the lower end of the tank 31, and the worm 35 and the worm gear 34 mesh and transmit power; the electric spindle of the drive motor 36 is connected to the worm 35, and the drive motor 36 drives the stirring frame 32 to rotate.

[0034] The control switch 4 is located on one side of the tank 31, and the control switch 4 controls the start and stop of the drive motor 36.

Claims

1. A compounding apparatus for the production of plastic articles, comprising: The utility model provides an improved feeding device for plastic granules, which comprises a feeding rack (1), a spiral feeding barrel (2), a mixing barrel (3) and a control switch (4), wherein the feeding rack (1) is fixed with two feeding hoppers; the feeding barrel (22) is provided with a first spiral feeding chute (223) and a second spiral feeding chute (224); the two feeding hoppers are respectively connected with the first spiral feeding chute (223) and the second spiral feeding chute (224) through pipelines; the feeding rack (1) is fixed on the mixing barrel (3) through the spiral feeding barrel (2), and the control switch (4) is arranged on one side of the mixing barrel (3); the mixing barrel (3) is provided with a stirring frame (32) and a driving motor (36), the control switch (4) is used to control the start and stop of the driving motor (36), and the driving motor (36) drives the stirring frame (32) to rotate; a tank discharge port (313) is arranged below the mixing barrel (3), and the tank discharge port (313) is connected with a feeding port of a plastic forming equipment; the plastic granules in the two feeding hoppers are spirally fed into the mixing barrel (3), and the stirring frame (32) stirs the plastic granules.

2. The compounding apparatus for plastic product production according to claim 1, characterized in that: The two feeding hoppers on the feeding rack (1) are divided into a first feeding hopper (11) and a second feeding hopper (12), the first feeding hopper (11) is provided with a first hopper discharge port below, and the second feeding hopper (12) is provided with a second hopper discharge port (122) below; the first hopper discharge port and the second hopper discharge port are arranged below the feeding rack (1); the diameter of the feeding port of the first feeding hopper (11) is greater than that of the first hopper discharge port; and the diameter of the feeding port of the second feeding hopper (12) is greater than that of the second hopper discharge port (122).

3. The compounding apparatus for plastic product production according to claim 2, wherein: The spiral feeding barrel (2) comprises an upper bracket (21) and a feeding barrel (22), the upper bracket (21) is provided with a first feeding seat (211) and a second feeding seat (212), the first hopper discharge port can be sleeved in the first feeding seat (211), the second hopper discharge port (122) can be sleeved in the second feeding seat (212), the inner wall of the feeding barrel (22) is provided with a plurality of connecting lugs (221) above, each connecting lug (221) is provided with a threaded hole, the feeding rack (1) is further provided with a plurality of bolt counterbores (13), and the upper bracket (21) is provided with a plurality of screw rod through holes (213); the threaded holes, the bolt counterbores (13) and the screw rod through holes (213) are arranged in the same number and have coinciding axial lines, and the threaded holes, the bolt counterbores (13) and the screw rod through holes (213) are connected through bolt rods (5).

4. The compounding apparatus for plastic product production according to claim 3, wherein: The feeding barrel (22) is provided with the first spiral feeding chute (223) and the second spiral feeding chute (224), the first spiral feeding chute (223) and the second spiral feeding chute (224) spiral downward around the same axial line; the upper portion of the first spiral feeding chute (223) corresponds to the first feeding seat (211); the upper portion of the second spiral feeding chute (224) corresponds to the second feeding seat (212); the first spiral feeding chute (223) and the second spiral feeding chute (224) penetrate to the bottom of the feeding barrel (22) below.

5. The compounding apparatus for plastic product production according to claim 4, wherein: The mixing barrel (3) further comprises a tank body (31), a driving shaft rod (33), a worm gear (34), a worm (35) and a discharging baffle (37). An upper end face side of the tank body (31) is provided with a tank body feeding port (311), and a bottom of the feeding barrel (22) is sleeved at the tank body feeding port (311). A stirring frame (32) is shaft-connected in the tank body (31) through the driving shaft rod (33). The worm gear (34) is fixed at a lower end of the driving shaft rod (33). The worm (35) is shaft-connected at an outer end face of a lower end of the tank body (31), and the worm (35) and the worm gear (34) are in mesh transmission. An electric spindle shaft rod of a driving motor (36) is connected with the worm (35). A side below the tank body (31) is provided with a tank body discharging port (313), and the discharging baffle (37) is arranged at the tank body discharging port (313).

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