CN110976375A

CN110976375A - Plastic particle cleaning device

Info

Publication number: CN110976375A
Application number: CN201911234840.3A
Authority: CN
Inventors: 沈晨; 潘旭; 李韦
Original assignee: Wuhu Institute of Technology
Current assignee: Wuhu Institute of Technology
Priority date: 2019-12-05
Filing date: 2019-12-05
Publication date: 2020-04-10

Abstract

The invention discloses a cleaning device for plastic particles, which comprises a first barrel, wherein the upper end of the first barrel is provided with a feed pipe and a first motor, the output shaft of the first motor is provided with a first rotating shaft vertically extending into the first barrel, the first rotating shaft is provided with a plurality of first stirring rods, the surface of each first stirring rod is provided with brush hair, the inner wall of the first barrel is provided with an annular seat attached to the inner wall of the first barrel, an annular cavity is arranged inside the annular seat, a plurality of water outlet holes communicated with the cavity are uniformly distributed on the circumference of the inner wall of the annular seat, the upper end of the annular seat is provided with a water inlet pipe communicated with the cavity, the first barrel is also provided with a driving assembly, the lower end inside the first barrel is provided with a filter screen, and the bottom of the first barrel is provided with a drain pipe. The plastic particle cleaning device has the advantages that the uniformity of plastic particle cleaning is improved, the occurrence of cleaning dead angles is reduced, and the cleaning effect is improved.

Description

Plastic particle cleaning device

Technical Field

The invention relates to the field of plastic processing, in particular to a cleaning device for plastic particles.

Background

The plastic particles are relatively common injection molding raw materials, when injection molding is needed, the injection molding particles are guided into a discharging hopper of an injection molding machine for discharging, and due to factors such as production, storage and the like, the plastic particles can be doped with dust or other particles, and the plastic particles can cause defects of products after injection molding and cause defective products.

Disclosure of Invention

In view of the above, the present invention is directed to a cleaning device for plastic particles, which solves all or one of the above-mentioned drawbacks of the prior art.

The invention provides a cleaning device for plastic particles, which comprises a first cylinder body, wherein the upper end of the first cylinder body is provided with a feed pipe and a first motor, an output shaft of the first motor is provided with a first rotating shaft vertically extending into the first cylinder body, the first rotating shaft is provided with a plurality of first stirring rods, the surface of each first stirring rod is provided with bristles, the inner wall of the first cylinder body is provided with an annular seat attached to the inner wall of the first cylinder body, an annular cavity is arranged in the annular seat, a plurality of water outlet holes communicated with the cavity are uniformly distributed on the circumference of the inner wall of the annular seat, the upper end of the annular seat is provided with a water inlet pipe penetrating through the first cylinder body and communicated with the cavity, the first cylinder body is also provided with a driving assembly, the driving assembly is used for driving the annular seat to do reciprocating motion in the vertical direction, the lower end in the first cylinder body is provided with a filter screen, and the bottom of the first cylinder body is, the bottom of first barrel still is equipped with first discharging pipe, the upper end of first discharging pipe is run through to the upper surface of filter screen, the upper end of first discharging pipe is equipped with the solenoid valve, the lower extreme of first discharging pipe runs through to the outside of first barrel.

Optionally, the bottom of first discharging pipe still is equipped with the second barrel, the upper end of second barrel is equipped with the supporting seat, the bearing inner race of supporting seat is equipped with the vertical second pivot that extends to the inside of second barrel, the second pivot is hollow structure, be equipped with the second puddler of a plurality of rather than the intercommunication in the second pivot, the surface of second puddler is equipped with a plurality of exhaust vent, the upper end of second pivot extends to the top of supporting seat and is equipped with rotary joint, the upper end of second barrel still is equipped with third motor and air heater, the air outlet and the rotary joint intercommunication of air heater, all overlap in the output shaft of third fan and the second pivot and be equipped with the drive wheel, two be equipped with the belt on the drive wheel, the bottom of second barrel is equipped with the second discharging pipe of taking control valve.

Optionally, the driving assembly comprises a mounting box vertically arranged on outer walls of two sides of the first barrel, a rotating seat is arranged at the top and the bottom of the mounting box, a second motor is further arranged at the bottom of the mounting box, a reciprocating lead screw is arranged on an output shaft of the second motor, two ends of the reciprocating lead screw are fixed in a bearing inner ring of the rotating seat, a slider in threaded connection is arranged on the reciprocating lead screw, a first magnetic part is arranged on one side, facing the outer wall of the first barrel, of the slider, the first magnetic part is attached to the outer wall of the first barrel, second magnetic parts are arranged on outer walls of two ends of the annular seat, and the first magnetic part and the second magnetic parts attract each other.

Optionally, the inner walls of the two sides of the first cylinder are vertically provided with guide strips, and the two outer walls of the annular seat are provided with clamping grooves matched with the guide strips.

Optionally, the filter screen is the back taper type structure, the upper end of first discharging pipe is located the central minimum of filter screen.

Optionally, the bottom of the first barrel is of an inverted cone structure, and the sewage discharge pipe is located at the lowest position of the center of the bottom of the first barrel.

From the above, the cleaning device provided by the invention sprays water uniformly to plastic particles through the reciprocating annular seat, the stirring rod stirs the plastic particles, and the bristles are used for brushing, so that the uniformity of plastic particle cleaning is improved, the occurrence of cleaning dead corners is reduced, and the cleaning effect is improved.

Drawings

FIG. 1 is a schematic view of the cleaning apparatus of the present invention;

FIG. 2 is a schematic view of a second barrel and a portion of the structure of the present invention;

FIG. 3 is a schematic top view of the annular seat of the present invention;

figure 4 is a schematic half-section of the annular seat of the invention.

Wherein, 1-a first motor, 2-a feed pipe, 3-a first rotating shaft, 4-a first cylinder, 5-bristles, 6-a first stirring rod, 7-a water inlet pipe, 8-a mounting box, 9-a rotating seat, 10-a slide block, 11-a first magnetic part, 12-an annular seat, 13-a guide strip, 14-a reciprocating screw rod, 15-a second motor, 16-a filter screen, 17-an electromagnetic valve, 18-a first discharge pipe, 19-a blow-off pipe, 20-a rotating joint, 21-a belt, 22-a transmission wheel, 23-a support seat, 24-a third motor, 25-a hot air blower, 26-a second cylinder, 27-a second stirring rod, 28-a second rotating shaft, 29-an air outlet hole and 30-a second discharge pipe, 31-second magnetic part, 32-clamping groove, 33-water outlet and 34-cavity.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to specific embodiments and the accompanying drawings.

It should be noted that all expressions of "first" and "second" in the embodiments of the present invention are used for distinguishing two entities with the same name or different parameters, and it is understood that "first" and "second" are merely for convenience of description and should not be construed as limiting the embodiments of the present invention, and that the directions and positions of the terms, such as "up", "middle", "down", "front", "back", "left", "right", "inner", "outer", "side", etc., in the present invention are only referred to the directions and positions of the attached drawings, and therefore, the directions and positions of the terms are used for illustrating and understanding the present invention, and are not used for limiting the subsequent embodiments of the present invention.

Based on the cleaning device of plastic granules that above-mentioned purpose provided, including first barrel 4, the upper end of first barrel 4 is equipped with inlet pipe 2 and first motor 1, the output shaft of first motor 1 is equipped with the vertical first pivot 3 that stretches into first barrel 4 inside, be equipped with the first puddler 6 of a plurality of on the first pivot 3, the surface of first puddler 6 is equipped with brush hair 5, the inner wall of first barrel 4 is equipped with the annular seat 12 rather than the laminating, the inside of annular seat 12 is equipped with annular cavity 34, the inner wall circumference equipartition of annular seat 12 has a plurality of apopore 33 with cavity 34 intercommunication, the upper end of annular seat 12 is equipped with the inlet tube 7 that runs through in first barrel 4 and communicate with cavity 34, still be equipped with drive assembly on the first barrel 4, drive assembly is used for driving annular seat 12 and does the reciprocating motion of vertical direction, the inside lower extreme of first barrel 4 is equipped with filter screen 16, the bottom of first barrel 4 is equipped with blow off pipe 19, the bottom of first barrel 4 still is equipped with first discharging pipe 18, the upper end of first discharging pipe 18 runs through to the upper surface of filter screen 16, the upper end of first discharging pipe 18 is equipped with solenoid valve 17, the lower extreme of first discharging pipe 18 runs through to the outside of first barrel 4.

Referring to fig. 1, 3 and 4, as an embodiment, the cleaning device for plastic granules of the present invention comprises a feeding pipe 2 disposed at an upper end of a first cylinder 4, the stored plastic granules are fed into the first cylinder 4 through the feeding pipe 2, a first motor 1 is simultaneously started, the first motor 1 drives a first rotating shaft 3 to rotate, the first rotating shaft 3 drives a first stirring rod 6 to rotate, and stir the plastic granules in the first cylinder 4, an annular seat 12 attached to the inner wall of the first cylinder 4 is disposed on the inner wall of the first cylinder 4, a cavity 34 is disposed inside the annular seat 12, a plurality of water outlet holes 33 are disposed on the inner wall of the annular seat 34, a water inlet pipe 7 communicated with the cavity 34 is further disposed on the annular seat 12, the water inlet pipe 7 is connected to an external water source and injects water into the cavity 34, the water is injected from the plurality of water outlet holes 33 to the plastic granules in the first cylinder 4, a driving assembly is further disposed on the first cylinder 4, the driving assembly can drive the annular seat 12 to reciprocate vertically, the plastic particles in the first cylinder 4 are uniformly washed by the water sprayed from the water outlet hole 33 through the reciprocating movement of the annular seat 12, the cleaning effect is improved, the plastic particles are washed by the brush hairs 5 arranged on the surface of the first stirring rod 6 in the stirring process, dirt on the surface of the plastic particles is further removed, a filter screen 16 is arranged at the bottom of the first cylinder 4, the plastic particles are washed by the water sprayed from the water outlet hole 33, the sewage falls into the bottom of the first cylinder 4 from the filter screen 16 at the bottom and is discharged from a sewage discharge pipe 19 at the bottom, the plastic particles are kept at the upper end of the filter screen 16, a first discharge pipe 18 is arranged at the bottom of the first cylinder 4, the upper end of the first discharge pipe 18 penetrates through the upper surface of the filter screen 16, meanwhile, an electromagnetic valve 17 is arranged at the upper end of the first discharge pipe, and is closed when cleaning is performed, the plastic particles are prevented from flowing out of the first discharge pipe 18, after the cleaning is completed, the solenoid valve 17 is opened and the plastic particles are discharged from the discharge pipe.

In conclusion, the cleaning device provided by the invention sprays water uniformly to plastic particles through the reciprocating annular seat 12, stirs the plastic particles through the stirring rod, and brushes the plastic particles through the brush bristles 5, so that the uniformity of cleaning the plastic particles is improved, the occurrence of cleaning dead corners is reduced, and the cleaning effect is improved.

In some optional embodiments, as shown in fig. 2, a second cylinder 26 is further disposed at the bottom of the first discharging pipe 18, a supporting seat 23 is disposed at an upper end of the second cylinder 26, a second rotating shaft 28 vertically extending into the second cylinder 26 is disposed at an inner bearing ring of the supporting seat 23, the second rotating shaft 28 is a hollow structure, a plurality of second stirring rods 27 are disposed on the second rotating shaft 28 and communicated with the second rotating shaft 28, a plurality of air outlets 29 are disposed on a surface of the second stirring rods 27, an upper end of the second rotating shaft 28 extends above the supporting seat 23 and is provided with a rotary joint 20, a third motor 24 and a hot air blower 25 are further disposed at an upper end of the second cylinder 26, an air outlet of the hot air blower 25 is communicated with the rotary joint 20, driving wheels 22 are respectively sleeved on an output shaft of the third fan and the second rotating shaft 28, belts 21 are disposed on the two driving wheels 22, the bottom of the second cylinder 26 is provided with a second discharge pipe 30 with a control valve, plastic particles washed in the first cylinder 4 are discharged from the first discharge pipe 18, most of water attached to the surface of the first cylinder is discharged from the filter screen 16, when the plastic particles enter the second cylinder 26, the third motor 24 is started, the third motor 24 drives the transmission wheel 22 on the output shaft of the third motor to rotate, the transmission wheel 22 drives the transmission wheel 22 on the second rotating shaft 28 to rotate through the belt 21, so as to drive the second rotating shaft 28 to rotate, meanwhile, the hot air blower 25 is turned on, hot air is blown out by the hot air blower 25, the air outlet of the hot air blower 25 is communicated with the rotating joint 20, the second rotating shaft 28 is of a hollow structure, the blown hot air enters the second rotating shaft 28 through the rotating joint 20, the second rotating shaft 28 is provided with a plurality of second stirring rods 27, the second rotating shaft 28 drives the second stirring rods 27 to rotate, the second stirring rods 27 stir the plastic particles in the second cylinder 26, the surface of second puddler 27 is equipped with a plurality of exhaust vents 29, make the hot-blast apopore 29 blowout of following of getting into in the second pivot 28, spun hot-blast plastic granules to in the second barrel 26 dries, a plurality of second puddlers 27 are even blows off hot-blast to plastic granules's inside, hot-blast area of contact and plastic granules's with the degree of consistency has been improved, plastic granules's drying efficiency has been improved, it is more even to make the stoving simultaneously, avoid plastic granules local heating and melting, plastic granules after the stoving is discharged from second discharging pipe 30, and use of moulding plastics.

In some optional embodiments, the driving assembly includes a mounting box 8 vertically disposed on the outer walls of the two sides of the first cylinder 4, the top and the bottom of the mounting box 8 are provided with a rotating base 9, the bottom of the mounting box 8 is further provided with a second motor 15, an output shaft of the second motor 15 is provided with a reciprocating lead screw 14, two ends of the reciprocating lead screw 14 are fixed in the inner bearing ring of the rotating base 9, the reciprocating lead screw 14 is provided with a slider 10 in threaded connection, one side of the slider 10 facing the outer wall of the first cylinder 4 is provided with a first magnetic part 11, the first magnetic part 11 is attached to the outer wall of the first cylinder 4, the outer walls of two ends of the annular base 12 are provided with second magnetic parts 31, the first magnetic part 11 and the second magnetic part 31 attract each other, the second motors 15 on the two sides of the first cylinder 4 synchronously rotate to drive the reciprocating lead screw 14 to rotate, the reciprocating lead screw 14 drives the slider 10 to make reciprocating linear motion along the length direction thereof, be equipped with the first magnetism spare 11 with the laminating of first barrel 4 outer wall on slider 10, be equipped with second magnetism spare 31 at the both sides outer wall of annular seat 12, first magnetism spare 11 and second magnetism spare 31 inter attraction, when first magnetism spare 11 is driven by slider 10 and carries out reciprocal linear motion, the synchronous removal that carries on of second magnetism spare 31 to drive annular seat 12 and do reciprocal linear motion.

In some optional embodiments, the inner walls of the two sides of the first cylinder 4 are vertically provided with the guide strips 13, and the outer walls of the two sides of the annular seat 12 are provided with the clamping grooves 32 matched with the guide strips 13, so that the annular seat 12 is prevented from shifting and falling when moving.

In alternative embodiments, the screen 16 is of inverted cone-shaped construction, and the upper end of the first discharge pipe 18 is located at the lowest central position of the screen 16, so that the cleaned plastic particles are discharged into the first discharge pipe 18.

In some optional embodiments, the bottom of the first cylinder 4 is an inverted cone structure, and the sewage discharge pipe 19 is located at the lowest position of the center of the bottom of the first cylinder 4, so that sewage carried by the sewage under scouring can be fully discharged from the sewage discharge pipe 19.

Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to these examples; within the idea of the invention, also features in the above embodiments or in different embodiments may be combined, steps may be implemented in any order, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity.

In addition, well known power/ground connections to Integrated Circuit (IC) chips and other components may or may not be shown within the provided figures for simplicity of illustration and discussion, and so as not to obscure the invention. Furthermore, devices may be shown in block diagram form in order to avoid obscuring the invention, and also in view of the fact that specifics with respect to implementation of such block diagram devices are highly dependent upon the platform within which the present invention is to be implemented (i.e., specifics should be well within purview of one skilled in the art). Where specific details (e.g., circuits) are set forth in order to describe example embodiments of the invention, it should be apparent to one skilled in the art that the invention can be practiced without, or with variation of, these specific details. Accordingly, the description is to be regarded as illustrative instead of restrictive.

While the present invention has been described in conjunction with specific embodiments thereof, many alternatives, modifications, and variations of these embodiments will be apparent to those of ordinary skill in the art in light of the foregoing description. For example, other memory architectures (e.g., dynamic ram (dram)) may use the discussed embodiments.

The embodiments of the invention are intended to embrace all such alternatives, modifications and variances that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, substitutions, improvements and the like that may be made without departing from the spirit and principles of the invention are intended to be included within the scope of the invention.

Claims

1. The cleaning device for the plastic particles is characterized by comprising a first barrel body (4), wherein an inlet pipe (2) and a first motor (1) are arranged at the upper end of the first barrel body (4), an output shaft of the first motor (1) is provided with a first rotating shaft (3) vertically extending into the first barrel body (4), a plurality of first stirring rods (6) are arranged on the first rotating shaft (3), bristles (5) are arranged on the surface of each first stirring rod (6), an annular seat (12) attached to the inner wall of the first barrel body (4) is arranged on the inner wall of the first barrel body (4), an annular cavity (34) is arranged inside the annular seat (12), a plurality of water outlet holes (33) communicated with the cavity (34) are uniformly distributed on the circumference of the inner wall of the annular seat (12), an inlet pipe (7) penetrating through the first barrel body (4) and communicated with the cavity (34) is arranged at the upper end of the annular seat (12), still be equipped with drive assembly on first barrel (4), drive assembly is used for driving annular seat (12) and is the reciprocating motion of vertical direction, the inside lower extreme of first barrel (4) is equipped with filter screen (16), the bottom of first barrel (4) is equipped with blow off pipe (19), the bottom of first barrel (4) still is equipped with first discharging pipe (18), the upper end of first discharging pipe (18) runs through to the upper surface of filter screen (16), the upper end of first discharging pipe (18) is equipped with solenoid valve (17), the lower extreme of first discharging pipe (18) runs through to the outside of first barrel (4).

2. The plastic particle cleaning device according to claim 1, wherein a second cylinder (26) is further disposed at the bottom of the first discharging pipe (18), a supporting base (23) is disposed at the upper end of the second cylinder (26), a second rotating shaft (28) vertically extending into the second cylinder (26) is disposed at the inner bearing ring of the supporting base (23), the second rotating shaft (28) is of a hollow structure, a plurality of second stirring rods (27) communicated with the second rotating shaft (28) are disposed on the second rotating shaft (28), a plurality of air outlets (29) are disposed on the surface of the second stirring rods (27), the upper end of the second rotating shaft (28) extends above the supporting base (23) and is provided with a rotary joint (20), a third motor (24) and a hot air blower (25) are further disposed at the upper end of the second cylinder (26), and an air outlet of the hot air blower (25) is communicated with the rotary joint (20), the output shaft of the third fan and the second rotating shaft (28) are both sleeved with driving wheels (22), belts (21) are arranged on the two driving wheels (22), and a second discharge pipe (30) with a control valve is arranged at the bottom of the second barrel (26).

3. The plastic particle cleaning device according to claim 1, wherein the driving assembly comprises a mounting box (8) vertically arranged on the outer walls of two sides of the first cylinder (4), the top and the bottom of the mounting box (8) are provided with rotating seats (9), the bottom of the mounting box (8) is further provided with a second motor (15), an output shaft of the second motor (15) is provided with a reciprocating lead screw (14), two ends of the reciprocating lead screw (14) are fixed in the inner bearing ring of the rotating seats (9), the reciprocating lead screw (14) is provided with a sliding block (10) in threaded connection, one side of the sliding block (10) facing the outer wall of the first cylinder (4) is provided with a first magnetic part (11), the first magnetic part (11) is attached to the outer wall of the first cylinder (4), the outer walls of two ends of the annular seat (12) are provided with second magnetic parts (31), the first magnetic part (11) and the second magnetic part (31) are mutually attracted.

4. The plastic particle cleaning device as claimed in claim 3, wherein the inner walls of the two sides of the first cylinder (4) are vertically provided with guide strips (13), and the outer walls of the two sides of the annular seat (12) are provided with clamping grooves (32) matched with the guide strips (13).

5. Device for cleaning plastic granules according to claim 1, characterized in that the sieve (16) is of inverted cone type construction, the upper end of the first tapping pipe (18) being located at the central lowest point of the sieve (16).

6. The plastic particle cleaning device as claimed in claim 1, wherein the bottom of the first cylinder (4) is of an inverted cone structure, and the sewage discharge pipe (19) is located at the lowest position of the center of the bottom of the first cylinder (4).