CN215921013U

CN215921013U - Polyester chip successive layer grading blanking screening device

Info

Publication number: CN215921013U
Application number: CN202220225527.4U
Authority: CN
Inventors: 董冲; 李博; 靖永春; 闫向红
Original assignee: Henan Yuanhong Polymer New Materials Co ltd
Current assignee: Henan Yuanhong Polymer New Materials Co ltd
Priority date: 2022-01-27
Filing date: 2022-01-27
Publication date: 2022-03-01
Anticipated expiration: 2032-01-27

Abstract

The utility model discloses a polyester slice layer-by-layer grading blanking screening device which comprises a rack, a screen body and a vibration source, wherein the screen body is obliquely arranged on the rack, a feeding hole is formed in the higher end of the screen body, a discharging hole is formed in the lower end of the screen body, a plurality of layers of parallel screen plates are fixed in the screen body, each screen plate at least comprises an upper screen plate for screening different slices and a lower screen plate for screening slice powder, the space between the upper screen plate and the lower screen plate is marked as a main screen space, a blower is fixedly arranged on the outer wall of a side plate of the screen body, an air supply opening of the blower is connected with an air guide pipe, the air guide pipe extends into the main screen space, the air outlet of the air guide pipe faces the direction opposite to the moving direction of polyester slices, and the axial direction of the air outlet of the air guide pipe is parallel to the upper screen plate; the tail part of the main sieve space is provided with a blocking sieve plate for blocking the polyester chips, and the tail end of the main sieve space is communicated with a powder discharge port. The utility model can solve the problem that the quality is influenced because the conventional polyester chip contains abnormal chips or chip powder.

Description

Polyester chip successive layer grading blanking screening device

Technical Field

The utility model relates to the technical field of polyester chip screening, in particular to a layer-by-layer grading blanking and screening device for polyester chips.

Background

Polyester chips are obtained by casting and pelletizing a polyester melt, and are generally processed into flaky particles of about 4 × 5 × 2 mm. The application of the polyester comprises the fields of fibers, various containers, packaging materials, films, engineering plastics and the like.

The polyester chips obtained by the cutting generally contain abnormal chips or chip powder, the chip powder refers to chips which can pass through a 20-mesh sieve, and the abnormal chips are particles with an excessively large geometric size of the polyester chips. If the polyester chips are not sieved, the powder or the abnormal chips not only affect the appearance of the polyester chips, but also affect the consumption and production of downstream manufacturers, the chips are bonded during drying when more powder is available, so that material blockage is caused, and more time and energy are consumed when the particles with overlarge sizes are dried. At present, although a vibrating screen can be used for screening, the sliced powder is fine and light, and cannot be well separated only by the vibration effect.

Disclosure of Invention

The utility model aims to provide a layer-by-layer grading, blanking and screening device for polyester chips, which is used for solving the problem that the quality is influenced because the conventional polyester chips contain abnormal chips or chip powder.

In order to solve the problems, the utility model adopts the following technical scheme:

a polyester slice layer-by-layer grading blanking screening device comprises a rack, a screen body and a vibration source, wherein the screen body is obliquely arranged on the rack, a feeding hole is formed in the higher end of the screen body, a discharging hole is formed in the lower end of the screen body, a plurality of layers of parallel screen plates are fixed in the screen body, each screen plate at least comprises an upper screen plate used for screening abnormal slices and a lower screen plate used for screening slice powder, the space between the upper screen plate and the lower screen plate is marked as a main screen space, a blower is fixedly arranged on the outer wall of a side plate of the screen body, an air supply opening of the blower is connected with an air guide pipe, the air guide pipe extends into the main screen space, the air outlet of the air guide pipe faces the direction opposite to the moving direction of polyester slices, and the axial direction of the air outlet of the air guide pipe is parallel to the upper screen plate; the direction that the polyester chip moved is the forward direction, and main sieve space afterbody is provided with and is used for blockking the polyester chip and blocks the sieve, and the tail end UNICOM in main sieve space has the powder mouth of arranging.

Optionally, it is provided with a plurality ofly and fix in an inclined manner respectively between upper screen plate and lower screen plate to block the sieve, and adjacent blocking is equipped with first passageway between the sieve.

Optionally, the air outlet of the air duct is located in the front of the main screen space, a filter screen is installed in the air duct, the end of the air duct is connected with a conical fan housing, an isolation screen plate used for preventing the polyester chips from entering the air duct is arranged on the rear side of the conical fan housing, one end of the isolation screen plate is fixedly connected with the upper screen plate, and a second channel is arranged between the other end of the isolation screen plate and the lower screen plate.

Optionally, the lower sieve plate comprises a first sieve section and a second sieve section, the second sieve section corresponds to the tail part of the main sieve space, and the sieve pores of the second sieve section have the same specification as the sieve pores of the upper sieve plate.

Optionally, a drawing baffle is arranged below the second screen section, and a clamping component for fixing the drawing baffle is mounted on the outer wall of the side plate of the screen body.

Optionally, the clamping and fixing assembly comprises a rotating seat, a rotating stop lever and a nut, a clamping groove is formed in the edge, located outside the sieve body, of the drawing baffle, the rotating seat is fixed on the outer wall of a side plate of the sieve body, one end of the rotating baffle is rotatably connected with the rotating seat, and the other end of the rotating baffle is clamped in the clamping groove and fixed through the nut.

Optionally, both the front section and the rear section of the upper screen plate are closed sections.

Optionally, an arc-shaped protective cover is fixed above the top of the screen body, and lifting lugs are respectively and fixedly mounted on two sides of the top of the screen body.

Optionally, a bag-type dust collector or a cyclone separator is connected to the powder outlet through a hose.

Optionally, the length of the upper sieve plate extending out of the discharge port is greater than the length of the lower sieve plate extending out of the discharge port.

By adopting the technical scheme, the utility model has the following advantages:

the utility model can sieve the polyester chips through the upper sieve plate, the lower sieve plate and the gas sent into the sieve body, the abnormal chips contained in the polyester chips can be left at the upper sieve plate, the polyester chips meeting the specification requirements fall into the main sieve space through the upper sieve plate, one part of chip powder falls into the bottom plate of the sieve body through the lower sieve plate, the other part of chip powder is conveyed backwards to the powder discharge port through the gas in the process of entering the main sieve space, the polyester chips left on the lower sieve plate are uniform and less in particle, and the influence on the post-processing procedure and the product quality can be reduced.

Drawings

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

FIG. 2 is a front view of the screen body of the present invention;

fig. 3 is a partially enlarged schematic view at a in fig. 2.

Reference numerals: 1. the device comprises a rack, 2, a screen body, 3, a vibration source, 4, a feeding hole, 5, a discharging hole, 6, an upper screen plate, 7, a lower screen plate, 71, a second screen segment, 8, a blower, 9, an air guide pipe, 10, a blocking screen plate, 11, a powder discharge hole, 12, a filter screen, 13, a conical fan cover, 14, an isolation screen plate, 15, a drawing baffle, 16, a rotating seat, 17, a rotating stop lever, 18, a nut, 19, an arc-shaped protective cover, 20 and a lifting lug.

Detailed Description

In order to make the technical purpose, technical solutions and advantages of the present invention more clear, the technical solutions of the present invention are further described below with reference to fig. 1 to 3 and specific embodiments.

An embodiment I of a device for grading, blanking and screening polyester chips layer by layer is as follows:

a polyester slice layer-by-layer grading blanking screening device comprises a frame 1, a screen body 2 and a vibration source 3, wherein the screen body 2 is obliquely arranged on the frame 1, a feed inlet 4 is formed in the higher end of the screen body 2, a discharge outlet 5 is formed in the lower end of the screen body 2, a plurality of layers of parallel screen plates are fixed in the screen body 2, the vibration source 3 drives the screen body 2 to vibrate, the vibration source 3 can be a vibration exciter arranged on the screen body 2 and can also drive an eccentric block to rotate through a motor so as to enable the screen body 2 to make directional jumping movement, the screen plates at least comprise an upper screen plate 6 used for screening abnormal slices and a lower screen plate 7 used for screening slice powder, the space between the upper screen plate 6 and the lower screen plate 7 is marked as a main screen space, 8 is fixedly arranged on the outer wall of a side plate of a screen body blower 2, an air supply outlet of the blower 8 is connected with an air guide pipe 9, and the air guide pipe 9 extends into the main screen space, the air outlet of the air guide pipe 9 faces the direction opposite to the moving direction of the polyester chips, and the axial direction of the air outlet of the air guide pipe 9 is parallel to the upper sieve plate 6; the moving direction of the polyester slices is taken as the forward direction, the tail part of the main sieve space is provided with a blocking sieve plate 10 used for blocking the polyester slices, and the tail end of the main sieve space is communicated with a powder discharge port 11.

The polyester chips after being cut into granules are sent into the screen body 2 from a feeding hole 4 of the screen body 2, the screen body 2 vibrates under the action of a vibration source 3, the abnormal chips contained in the polyester chips are left at an upper screen plate 6 and are discharged from a discharging hole 5, the polyester chips meeting the specification requirements fall into a main screen space through the upper screen plate 6, one part of chip powder falls into a bottom plate of the screen body 2 through a lower screen plate 7 and is then discharged from the discharging hole 5, the other part of chip powder falls in the process of falling, the air guide pipe 9 supplies air to the main sieve space towards the powder discharge port 11 under the action of the blower 8, the fine and light slice powder can be conveyed backwards to the powder discharge port 11 by the air supply, the polyester slice meeting the specification requirement is heavier than the slice powder, reliable dead weight falls on lower sieve 7 and discharges from discharge gate 5, can effectively with abnormal form section and section powder separation, the even granule of polyester chip that leaves is few, reducible influence to back processing process and product quality.

An embodiment two of a grade-by-layer blanking and screening device for polyester chips:

on the basis of the first embodiment, the blocking sieve plates 10 are arranged in a plurality and are respectively obliquely fixed between the upper sieve plate 6 and the lower sieve plate 7, and a first channel is arranged between the adjacent blocking sieve plates 10. Set up a plurality of polyester slices that block sieve 10 and can avoid standard specification and be sent away by the air current, block that sieve 10 slope sets up reducible air current resistance, and the adjacent air current that blocks first passageway between the sieve 10 and can portable section powder can be smooth through blocking sieve 10, leads to row powder mouth 11 and discharges.

As one embodiment of the present invention, further, an air outlet of the air duct 9 is located at the front portion of the main screen space, a filter screen 12 is installed in the air duct 9, the end portion of the air duct 9 is connected with a conical fan housing 13, the conical fan housing 13 can increase an air supply surface so as to better separate the slice powder from the polyester slices, an isolation sieve plate 14 for blocking the polyester slices from entering the air duct 9 is arranged at the rear side of the conical fan housing 13, one end of the isolation sieve plate 14 is fixedly connected with the upper sieve plate 6, and a second channel is arranged between the other end of the isolation sieve plate 14 and the lower sieve plate 7 so as to facilitate the polyester slices left on the lower sieve plate 7 after being sieved to pass through the discharge port 5 of the sieve body 2.

As one of the embodiments of the present invention, further, the lower sieve plate 7 includes a first sieve section and a second sieve section 71, the second sieve section 71 corresponds to the tail part of the main sieve space, and the sieve holes of the second sieve section 71 are the same as the sieve hole specification of the upper sieve plate 6.

As one embodiment of the present invention, further, a drawing baffle 15 is disposed below the second screen section 71, and a fastening component for fastening the drawing baffle 15 is mounted on an outer wall of a side plate of the screen body 2. In the screening process, if polyester chips fall into the second screening section 71, after the vibration screening is finished, the drawing baffle 15 is drawn out, and the polyester chips can fall down through the second screening section 71 and slide out from the bottom plate of the screen body 2.

As one embodiment of the present invention, further, the clamping and fixing component includes a rotating seat 16, a rotating stop lever 17 and a nut 18, a clamping groove is formed in an edge of the drawing baffle 15 located outside the screen body 2, the rotating seat 16 is fixed on an outer wall of a side plate of the screen body 2, one end of the rotating baffle is rotatably connected with the rotating seat 16, and the other end of the rotating baffle is fixed by the nut 18 when being clamped in the clamping groove.

The clamping component can prevent the pulling baffle 15 of the screen body 2 from being separated during vibration screening.

As one of the embodiments of the present invention, further, both the front section and the rear section of the upper screen 6 are closed sections. The polyester chips can be prevented from falling down at the front section and the rear section of the upper sieve plate 6, and the influence on the sieving of the chip powder is avoided.

As one embodiment of the present invention, further, an arc-shaped protective cover 19 is fixed above the top of the screen body 2, and lifting lugs 20 are respectively fixed on two sides of the top of the screen body 2, so as to facilitate the movement of the whole device.

As one embodiment of the present invention, a bag-type dust collector or a cyclone separator is further connected to the powder discharge port 11 through a hose. From arranging powder mouth 11 exhaust section powder and handling through dust collecting equipment and collect, can avoid polluting operational environment, arrange powder mouth 11 and dust collecting equipment through the hose connection, the influence that the vibration of reducible screen frame 2 brought.

As one of the embodiments of the present invention, further, the length of the upper sieve plate 6 extending out of the discharge opening 5 is greater than the length of the lower sieve plate 7 extending out of the discharge opening 5.

The above embodiments are not intended to limit the shape, material, structure, etc. of the present invention in any way, and any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.

Claims

1. The utility model provides a hierarchical unloading screening plant of polyester chip successive layer, includes frame, screen frame and vibration source, and the screen frame slope is installed in the frame, and the higher one end of screen frame is provided with the feed inlet, and the lower one end of screen frame is provided with the discharge gate, and the screen frame internal fixation has multilayer parallel arrangement's sieve, its characterized in that: the screen plate at least comprises an upper screen plate for screening the abnormal slices and a lower screen plate for screening the slice powder, the space between the upper screen plate and the lower screen plate is marked as a main screen space, an air blower is fixedly installed on the outer wall of a side plate of the screen body, an air supply opening of the air blower is connected with an air guide pipe, the air guide pipe extends into the main screen space, the air outlet of the air guide pipe faces the direction opposite to the moving direction of the polyester slices, and the axial direction of the air outlet of the air guide pipe is parallel to the upper screen plate; the direction that the polyester chip moved is the forward direction, and main sieve space afterbody is provided with and is used for blockking the polyester chip and blocks the sieve, and the tail end UNICOM in main sieve space has the powder mouth of arranging.

2. The device for graded blanking and screening of polyester chips layer by layer as claimed in claim 1, wherein: the blocking sieve plates are arranged between the upper sieve plate and the lower sieve plate in a plurality of modes and are obliquely fixed respectively, and first channels are arranged between the adjacent blocking sieve plates.

3. The device for graded blanking and screening of polyester chips layer by layer as claimed in claim 1, wherein: the air outlet of the air guide pipe is located in the front of the main sieve space, a filter screen is installed in the air guide pipe, the end of the air guide pipe is connected with a conical fan housing, the rear side of the conical fan housing is provided with an isolation sieve plate used for blocking polyester chips from entering the air guide pipe, one end of the isolation sieve plate is fixedly connected with an upper sieve plate, and a second channel is arranged between the other end of the isolation sieve plate and a lower sieve plate.

4. The device for graded blanking and screening of polyester chips layer by layer as claimed in claim 1, wherein: the lower sieve plate comprises a first sieve section and a second sieve section, the second sieve section corresponds to the tail part of the main sieve space, and the sieve pores of the second sieve section are the same as the sieve pore specification of the upper sieve plate.

5. The device for the layer-by-layer graded blanking and screening of the polyester chips as claimed in claim 4, wherein: a drawing baffle is arranged below the second screen section, and a clamping component used for fixing the drawing baffle is installed on the outer wall of the side plate of the screen body.

6. The device for the layer-by-layer graded blanking and screening of the polyester chips as claimed in claim 5, wherein: the clamping and fixing assembly comprises a rotating seat, a rotating stop lever and a nut, a clamping groove is formed in the edge, located outside the sieve body, of the drawing baffle, the rotating seat is fixed on the outer wall of a side plate of the sieve body, one end of the rotating baffle is rotatably connected with the rotating seat, and the other end of the rotating baffle is clamped in the clamping groove and fixed through the nut.

7. The device for graded blanking and screening of polyester chips layer by layer as claimed in claim 1, wherein: the front section and the rear section of the upper sieve plate are both closed sections.

8. The device for the layer-by-layer graded blanking and screening of the polyester chips as claimed in any one of claims 1 to 7, wherein: an arc-shaped protective cover is fixed above the top of the screen body, and lifting lugs are fixedly mounted on two sides of the top of the screen body respectively.

9. The device for graded blanking and screening of polyester chips layer by layer as claimed in claim 8, wherein: the powder outlet is connected with a bag-type dust collector or a cyclone separator through a hose.

10. The device for the layer-by-layer graded blanking and screening of the polyester chips as claimed in claim 9, wherein: the length of the upper sieve plate extending out of the discharge port is larger than that of the lower sieve plate extending out of the discharge port.