CN110802763A

CN110802763A - Plastic granules sieve separator

Info

Publication number: CN110802763A
Application number: CN201911148260.2A
Authority: CN
Inventors: 不公告发明人
Original assignee: Xuzhou Lanhu Information Technology Co Ltd
Current assignee: Xuzhou Lanhu Information Technology Co Ltd
Priority date: 2019-11-21
Filing date: 2019-11-21
Publication date: 2020-02-18

Abstract

The invention discloses a plastic particle screening machine, which stirs plastic particles through a fixed frame, and is matched with a multilayer screening hopper to carry out multilayer screening on plastic particles, the screening device has low noise and high screening precision, it is characterized in that one end of a plurality of support rods is arranged on the discharge hopper at equal angles and is close to the edge of the discharge hopper, a collecting groove is arranged in the middle of the discharge hopper, a round table is arranged in the center of the collecting groove of the discharge hopper, a round groove is formed in the center of the round platform, a plurality of fixing rods are combined to form a long rod, one end of the long rod is arranged in the round groove through a bearing, two adjacent fixing rods are connected in a matched and inserted mode through a connecting insert block and an inserting groove, the connecting insertion blocks and the insertion grooves are respectively arranged at the end parts of two adjacent fixing rods, the outer side surface of the bottom end of each fixing rod is provided with a position avoiding groove, and the plurality of screening buckets are sleeved at the position of the position avoiding grooves on the plurality of fixing rods in a one-to-one correspondence manner.

Description

Plastic granules sieve separator

Technical Field

The invention discloses a plastic particle screening machine, relates to a screening device for screening plastic particles, and belongs to the field of product processing. In particular to a screening device which stirs plastic particles through a fixing frame and is matched with a multilayer screening hopper to carry out multilayer screening on the plastic particles, and has low noise and high screening precision.

Background

Plastic granules indicates graininess plastics, generally divide into 200 kinds, the subdivision reaches thousands of, and will filter the plastics after the cutting in plastics production, because the volume of the plastic granules after the cutting has a big or small, need with wherein not conform to the powdered granule of standard and isolate the quality of supplying plastic granules in order to improve the product processing, at present, current vibrations formula plastic granules sieve separator is owing to adopt vibrations screening, can cause noise pollution when carrying out the during operation, the granule produces easily when it screens classification simultaneously mixes, the screening precision is poor, and it is limited to screen granule size rank quantity simultaneously, device extension upgrading transformation is comparatively difficult.

The publication number CN206854083U discloses a vibration screening device for plastic particles, which comprises a supporting rod, wherein a vibration box is arranged on the supporting rod, and the supporting rod is elastically connected with the vibration box through a spring; the fixed closing cap that is provided with on the vibrations box, be provided with the screen cloth in the vibrations box, vibrations box below is provided with the accessory case that is used for installing motor and flywheel, upward be provided with the feed inlet on the closing cap, vibrations box one side is provided with discharging channel, and this sieving mechanism noise is big, still exists the volume difference in large granule, the tiny particle after the separation simultaneously, leads to its to divide the granule fineness of electing to be lower.

Notice No. CN206794125U discloses a high-efficiency plastic particle screening machine, which comprises a machine body and a control panel, wherein the control panel is arranged on one side of the machine body, the machine body comprises a first cavity, a second cavity, a third cavity and a fourth cavity, cover plates are arranged on the surfaces of the first cavity, the second cavity, the third cavity and the fourth cavity, the first cavity, the second cavity, the third cavity and the fourth cavity are all connected with the cover plates through hinges, the cover plates are transparent windows, rotating shafts and fixing screws are arranged on the hinges, a handle is arranged on the surface of the fourth cavity, a first hydraulic cylinder, a second hydraulic cylinder and a third hydraulic cylinder are arranged at the rear end of the machine body, a fixed shaft is arranged on the inner wall of the machine body, rotating wheels are arranged on the fixed shaft, the screening machine adopts vibration screening, the noise is high, and the operation control is complex by adopting multiple hydraulic cylinders to carry out multi-stage, the manufacturing cost is high.

Disclosure of Invention

In order to improve the situation, the invention provides the screening device which is used for stirring the plastic particles through the fixing frame and carrying out multi-layer screening on the plastic particles by matching with the multi-layer screening hopper, and is low in noise and high in screening precision.

The plastic particle screening machine is realized as follows: the invention relates to a plastic particle screening machine which comprises a motor, support rods, screening hoppers, a discharge chute, a bottom screen, a discharge hopper, a connecting sleeve, a spiral screen, fixing rings, a rotating shaft, a bearing, fixing rods, a fixing frame, an inserting groove, a position avoiding groove and connecting and inserting blocks, wherein one end of each of the plurality of support rods is arranged on the discharge hopper at an equal angle and is close to the edge of the discharge hopper, a collecting groove is formed in the middle of the discharge hopper, a round table is arranged in the center of the collecting groove of the discharge hopper, a round groove is formed in the center of the round table, the plurality of fixing rods are combined to form a long rod, one end of the long rod is arranged in the round groove through the bearing, two adjacent fixing rods are in matched and inserted connection through the connecting and inserting blocks and the inserting grooves, the connecting and inserting blocks are respectively arranged at the end parts of the two adjacent fixing rods, the position avoiding grooves are formed in the outer side surfaces of the, the top of the screening hopper is flush with the bottom of the upper fixed rod avoiding groove, the connecting sleeves are fixedly arranged on the outer wall of the top of the screening hopper and correspond to the supporting rods one by one, the connecting sleeves are arranged on the corresponding supporting rods, the bottom of the screening hopper is provided with the bottom screen, the mesh number of the bottom screen at the bottom of the screening hopper is gradually increased from bottom to top, the screening hopper is of an annular structure, the diameter of the screening hopper is gradually reduced from top to bottom, a fixed frame is arranged in the screening hopper and is fixedly arranged on the fixed rods, the fixed frame is of a spiral frame structure, the width of the spiral frame is gradually increased from bottom to top, the inner side of the spiral frame is fixedly connected with the fixed rods, the outer side of the spiral frame is attached to the inner wall of the screening hopper, a spiral screen is arranged in the fixed frame, and the mesh number of the spiral screen is the same, solid fixed ring is located the top and goes out the hopper top, gu fixed ring's central line and the central line collineation of hopper, the other end of bracing piece upwards extends to the top earlier and goes out the hopper position, then bends to going out the hopper central line, gu fixed ring's outer wall is connected with the other end of a plurality of bracing pieces, on solid fixed ring is arranged in to the motor, the pivot of motor is arranged in the fixed ring through the bearing, the pivot of motor is inserted in arranging the slot on the top dead lever in, it has the blown down tank to set up on the screening hopper outer wall, blown down tank and screening hopper are inside to be linked together, the width of blown down tank increases gradually towards the screening hopper.

Furthermore, the fixing frames on the fixing rods are changed into double fixing frames, and the two fixing frames form a central symmetry relation with the central line of the fixing rods.

Has the beneficial effects.

The multi-layer screening can be performed on the particles, and the screening precision is high and the effect is good.

And secondly, compared with the vibration type screening, the screening noise is lower during stirring.

And thirdly, the screening structure is simple, the subsequent expansion and upgrading can be conveniently carried out, and the application range of the screening and classification can be enlarged.

Drawings

Fig. 1 is a perspective view of a plastic granule screening machine according to the present invention.

FIG. 2 is a schematic structural diagram of a plastic particle screening machine of the present invention.

FIG. 3 is a perspective view of a spiral screen of a plastic granule screening machine according to the present invention.

Fig. 4 is a perspective view of a plastic granule screening machine of embodiment 2 of the present invention.

In the attached drawings

Wherein the method comprises the following steps: the screening device comprises a motor (1), a supporting rod (2), a screening hopper (3), a discharge chute (4), a bottom screen (5), a discharge hopper (6), a connecting sleeve (7), a spiral screen (8), a fixing ring (9), a rotating shaft (10), a bearing (11), a fixing rod (12), a fixing frame (13), a slot (14), a position avoiding groove (15) and a connecting insert block (16).

The specific implementation mode is as follows:

example 1:

the plastic particle screening machine is realized as follows: the invention relates to a plastic particle screening machine which comprises a motor (1), supporting rods (2), a screening hopper (3), a discharge chute (4), a bottom screen (5), a discharge hopper (6), a connecting sleeve (7), a spiral screen (8), a fixing ring (9), a rotating shaft (10), a bearing (11), fixing rods (12), a fixing frame (13), a slot (14), a position avoiding groove (15) and a connecting insert block (16), wherein one end of each of the supporting rods (2) is arranged on the discharge hopper (6) at an equal angle and is close to the edge of the discharge hopper (6), a collecting groove is formed in the middle of the discharge hopper (6), a circular table is arranged in the center of the discharge hopper (6), a circular groove is formed in the center of the circular table, the plurality of fixing rods (12) are combined to form a long rod, one end of the long rod is arranged in the circular groove through the bearing (11), and the adjacent fixing rods (12) are connected with the slot (14) through the connecting insert block (16), the connecting insert block (16) and the inserting grooves (14) are respectively arranged at the end parts of two adjacent fixing rods (12), the outer side surface of the bottom end of each fixing rod (12) is provided with a avoiding groove (15), a plurality of screening hoppers (3) are sleeved at the avoiding grooves (15) on the fixing rods (12) in a one-to-one correspondence manner, the tops of the screening hoppers (3) are aligned with the bottoms of the avoiding grooves (15) of the last fixing rods (12), a plurality of connecting sleeves (7) are fixedly arranged on the outer wall of the top of each screening hopper (3) and correspond to the supporting rods (2) in a one-to-one correspondence manner, the connecting sleeves (7) are sleeved on the corresponding supporting rods (2), the bottom of each screening hopper (3) is provided with a bottom screen (5), the mesh number of the bottom screen (5) at the bottoms of the screening hoppers (3) is gradually increased from bottom to top, each screening hopper (3) is of an annular structure, and the diameter of, the screening hopper (3) is internally provided with a fixing frame (13), the fixing frame (13) is fixedly arranged on a fixing rod (12), the fixing frame (13) is of a spiral frame structure, the width of the spiral frame is gradually increased from bottom to top, the inner side of the spiral frame is fixedly connected with the fixing rod (12), the outer side of the spiral frame is attached to the inner wall of the screening hopper (3), a spiral screen (8) is arranged in the fixing frame (13), the mesh number of the spiral screen (8) is the same as that of a bottom screen (5) on the corresponding screening hopper (3), a fixing ring (9) is positioned above the uppermost discharging hopper (6), the central line of the fixing ring (9) and the central line of the discharging hopper (6) are arranged, the other end of the supporting rod (2) firstly upwards extends to the position of the collinear discharging hopper (6) and then bends towards the central line of the discharging hopper (6), the outer wall of solid fixed ring (9) is connected with the other end of a plurality of bracing pieces (2), and on solid fixed ring (9) was arranged in motor (1), solid fixed ring (9) was arranged in through bearing (11) in pivot (10) of motor (1), in slot (14) on the top dead lever (12) were arranged in insertion in pivot (10) of motor (1), discharge chute (4) have been put on screening fill (3) outer wall, discharge chute (4) and screening fill (3) inside are linked together, the width of discharge chute (4) is towards screening fill (3) direction and is increased gradually.

When the device is used, a collecting tray is placed below each discharge chute (4) by a person, when plastic particles are required to be screened, the person firstly drops the plastic particles required to be sorted into the uppermost screening hopper (3) of the device from the top end, the motor (1) works to drive the rotating shaft (10) to rotate, the rotating shaft (10) rotates to drive the long rod consisting of the plurality of fixing rods (12) below to rotate, so as to drive each fixing frame (13) fixed on the fixing rods (12) to rotate, the fixing frame (13) rotates to drive the spiral screen (8) to rotate, the spiral screen (8) stirs the sorted particles corresponding to each layer, and the smaller particles in each layer gradually move to the bottom screen (5) at the bottom of the screening hopper (3) along with the clearance generated by stirring, finally fall down from the meshes of the bottom screen (5), and enter the screening hopper (3) of the next layer to be sorted again, and the great granule that is stayed in screening hopper (3) then can pile up gradually and spills over from blown down tank (4) on every layer of screening hopper (3) at last, the less plastic granules that gets into the lower floor further screens, screen layer upon layer, the less plastic granules that obtains at last falls into the collecting vat on blown down hopper (6), with this multilayer of accomplishing the granule is selected separately, adopt to stir the screening, when carrying out the during operation noise is less, the difficult production of granule is mixed when its screening is categorised simultaneously, the screening precision is high, screening granule size level is clear.

When personnel need expand the quantity that will select separately, personnel only need increase the length of bracing piece (2), increase simultaneously and correspond screening hopper (3) of mesh number and dead lever (12) that have spiral screen (8), peg graft each other dead lever (12) that will increase and use and can accomplish the upgrading and the transformation of sorting unit separation quantity, and the device extension is upgraded and is reformed transform conveniently.

Example 2:

the difference between this example and example 1 is: the number of the fixing frames (13) on the fixing rod (12) is two, and the two fixing frames (13) are in a center-to-center relation with respect to the center line of the fixing rod (12); when the rotary stirring screening machine is used, the screening frequency during rotary stirring screening can be improved, and the screening efficiency is improved;

the length of the long rod is convenient to assemble and adjust by the design that the fixing rods (12) are combined to form the long rod, and the adjacent two fixing rods (12) are matched, spliced and connected through the connecting insert block (16) and the inserting groove (14), so that the screening hopper (3) is additionally arranged, and the device is convenient to expand, upgrade and reform; the mesh number of the bottom screen (5) at the bottom of the screening hoppers (3) is gradually increased from bottom to top, the size of screened particles is gradually reduced from top to bottom, multi-layer screening layer by layer is formed, and the screening precision is high;

the middle part of the discharge hopper (6) is provided with a collecting tank, so that the screened particles can be collected; the screening hopper (3) is of an annular structure, the diameter of the screening hopper is gradually reduced from top to bottom, the opening at the top end of the screening hopper (3) is large, the carrying range of particles falling from the top is wide, and sprinkling is reduced; the width of the spiral frame is gradually increased from bottom to top, and the width is set according to the diameter change of the screening hopper (3); the width of the discharge chute (4) is gradually increased towards the direction of the screening hopper (3), so that the inlet of the discharge chute (4) is larger, and particles screened from the screening hopper (3) are conveniently pushed into the discharge chute (4); the mesh number of the spiral screen (8) is the same as that of the bottom screen (5) in the corresponding screening hopper (3), so that larger plastic particles can be effectively pushed and stirred, smaller particles sink, and the stirring effect is guaranteed;

the two fixing frames (13) are designed to be in central symmetry relation with the central line of the fixing rod (12), so that the stirring is uniform; the plurality of fixing rods (12) are connected with the screening hopper (3) in an inserting way and matched with the fixing rods, so that the particles can be screened layer by layer, the screening precision is high, and the effect is good; the motor (1) drives the spiral screen (8) to rotate, and the screening hopper (3) is designed to be non-rotating, so that compared with the vibrating screening, the stirring type screening has low noise and better application effect; the particles are screened layer by layer through a plurality of spiral screens (8), so that the particles can be screened in a multi-layer manner, the screening precision is high, and the effect is good;

reach and stir plastic granules through mount (13) to cooperation multilayer screening fill (3) carries out the multilayer screening to plastic granules, and the noise is low, the high purpose of screening precision.

The above embodiments are preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. It will be appreciated by those skilled in the art that changes may be made without departing from the scope of the invention, and it is intended that all matter contained in the above description or shown in the accompanying drawings shall be interpreted as illustrative and not in a limiting sense.

It should be further noted that, while the above specific embodiments are described for simplicity and clarity, only the differences from other embodiments are described, but those skilled in the art should understand that the above specific embodiments are independent technical solutions.

Claims

1. A plastic granules sieve separator, characterized by: one end of a plurality of support rods is arranged on the discharge hopper at equal angles and is close to the edge of the discharge hopper, a collecting tank is arranged in the middle of the discharge hopper, a round table is arranged at the center of the collecting tank of the discharge hopper, a round groove is arranged at the center of the round table, a plurality of fixed rods are combined to form a long rod, one end of the long rod is arranged in the round groove through a bearing, two adjacent fixed rods are matched and spliced through a connecting insert block and an inserting groove, the connecting insert block and the inserting groove are respectively arranged at the end parts of the two adjacent fixed rods, a spacing groove is arranged on the outer side surface of the bottom end of each fixed rod, a plurality of screening hoppers are sleeved on the spacing grooves of the fixed rods in a one-to-one correspondence manner, the tops of the screening hoppers are flush with the bottoms of the spacing grooves of the upper fixed rods, a plurality of connecting sleeves are fixedly arranged on the outer wall of the, the screening fill embeds there is the mount, the mount is fixed to be arranged in on the dead lever, the mount is the helical frame structure, helical frame's inboard and dead lever fixed connection, helical frame's the outside is laminated mutually with the screening fill inner wall, the mount embeds there is the spiral screen cloth, gu fixed ring is located the top and goes out the hopper top, the other end of bracing piece upwards extends to the top earlier and goes out the hopper position, then bend to going out the hopper central line, gu fixed ring's outer wall and the other end of a plurality of bracing pieces are connected, gu fixed ring is arranged in to the motor, the pivot of motor is arranged in through the bearing in the fixed ring, the slot on the top dead lever is inserted in the pivot of motor, the screening is fought.

2. The plastic pellet screening machine as claimed in claim 1, wherein said fixed rods are provided with two fixed frames, and two of said fixed frames are in a center-to-center relationship with respect to a center line of the fixed rods.

3. A plastic pellet screening machine as claimed in claim 1, wherein the mesh size of the bottom screen at the bottom of said plurality of screening hoppers is gradually increased from bottom to top.

4. A plastic particle screening machine as claimed in claim 3 wherein said screen hopper is of annular configuration and of decreasing diameter from top to bottom.

5. The plastic pellet screening machine as claimed in claim 1, wherein said spiral frame has a width gradually increasing from bottom to top.

6. The plastic particle screening machine as claimed in claim 1, wherein the width of the discharge chute is gradually increased toward the direction of the screening hopper, so that the inlet of the discharge chute is larger, and the particles screened from the screening hopper are respectively pushed into the discharge chute.

7. The plastic particle screening machine of claim 1, wherein the mesh number of the spiral screen is the same as that of the bottom screen on the corresponding screening hopper, so that larger plastic particles can be effectively pushed and stirred, smaller particles sink, and the stirring effect is guaranteed.

8. The plastic particle screening machine of claim 1, wherein the motor drives the spiral screen to rotate, and the screening hopper is designed to be non-rotating, so that the stirring type screening has lower noise and better application effect compared with the vibration type screening.

9. The plastic particle screening machine of claim 1, wherein the particles are screened layer by layer through the plurality of spiral screens, the particles can be screened in a multi-layer manner, the screening precision is high, and the screening effect is good.

10. A plastic particle screening machine as claimed in claim 1 wherein the centre line of said retaining ring and the centre line of the hopper are collinear.