CN212193968U

CN212193968U - Plastic particle pushing device

Info

Publication number: CN212193968U
Application number: CN202020497068.6U
Authority: CN
Inventors: 黄文明
Original assignee: Yueqing Liansheng Electronic Technology Co ltd
Current assignee: Yueqing Liansheng Electronic Technology Co ltd
Priority date: 2020-04-08
Filing date: 2020-04-08
Publication date: 2020-12-22
Anticipated expiration: 2030-04-08

Abstract

The utility model discloses a plastic pellet pusher, including propeller and pusher, the propeller include the storage vat, have the base plate of defeated material mouth, have can with locate discharge gate and slidable ground of defeated material mouth butt joint on the base plate advance the seat, locate advance the interior metering screw of seat and locate the feed channel of metering screw top, the pusher is including having the feed cylinder of feed inlet and gas vent, locating screw rod passageway in the feed cylinder and locating pay-off screw in the screw rod passageway still includes: exhaust passage, slide, trompil, baffle, exhaust hole, mount pad and accommodation space. The utility model discloses exhaust effectual, have multiple feeding form and can effectively prevent that plastic granules from overflowing from the gas vent.

Description

Plastic particle pushing device

Technical Field

The utility model relates to a plastics processing technology field specifically is a plastic pellet pusher.

Background

Plastic particles, which are used as processing raw materials, are usually melted into a liquid state and then injected into a mold or other cavity to form a plastic product. In the process of pushing or transmitting the plastic particles, the plastic particles are heated to reach a molten state, and in the process, the molten plastic can generate water vapor and other volatile gases, and an exhaust device is arranged on a plastic pushing device to exhaust in the prior art. However, the existing plastic particle pushing device still has the following defects:

firstly, the existing pushing device is only provided with an exhaust port for exhausting, and the exhaust effect is poor; secondly, the existing pushing device has a single feeding mode for plastic particles, and can not meet the requirements of various feeding modes in the actual production process; thirdly, there is a risk that molten plastic may flow out of the exhaust port during the process of pushing the plastic particles, and the conventional pushing device cannot prevent this situation.

Disclosure of Invention

The utility model aims at solving the problem in the background art, and the plastic pellet pusher that an exhaust effect is good, have multiple feeding form and can effectively prevent plastic pellet from overflowing from the gas vent that proposes.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a plastic pellet pusher, includes propeller and pusher, the propeller include the storage vat, have the base plate of conveying mouth, have can with discharge gate and slidable ground that conveying mouth docks are located propulsion seat on the base plate, locate advance the interior metering screw of seat and locate the feed channel of metering screw top, the pusher is including having the feed cylinder of feed inlet and gas vent, locating screw rod passageway in the feed cylinder and locating the pay-off screw in the screw rod passageway still includes: the exhaust channel is penetratingly arranged in the propulsion seat and communicated with the discharge hole; the sliding plate is arranged above the propelling seat and can move relative to the propelling seat; the opening is formed in the sliding plate and can communicate the storage bucket with the feeding channel or the exhaust channel; a partition plate provided in the exhaust port and capable of completely dividing the exhaust port into an area above the partition plate and an area below the partition plate; the exhaust hole is penetratingly arranged in the clapboard; the mounting seat is arranged on the partition plate and is provided with a mounting hole communicated with the exhaust hole; and the accommodating space is positioned below the partition plate and can be used for temporarily storing the molten plastic conveyed by the feeding screw.

Preferably, a sliding mechanism capable of enabling the storage bin to slide relative to the propulsion seat is arranged between the storage bin and the sliding plate, the sliding mechanism comprises a guide plate arranged on the storage bin and sliding blocks arranged on two sides below the sliding plate, the sliding blocks can slide on the side faces of the guide plate, and a first through hole communicated with the feeding channel and a second through hole communicated with the exhaust channel are formed in the guide plate.

Preferably, the slide includes panel and backing plate, be equipped with a plurality of groups evenly distributed's first mounting hole on the base plate, be equipped with on the backing plate with the second mounting hole that first mounting hole corresponds, the area of second mounting hole is less than first mounting hole, the bottom of storage vat is provided with the fixed plate, the storage vat passes through the fixed plate and is connected with the slide.

Preferably, the outer side wall of the exhaust channel on the propulsion seat is provided with a perspective surface, the perspective surface is provided with an infrared sensor, and the propulsion seat is further provided with a PLC control box and a motor.

Preferably, the partition plate completely divides the exhaust port into an area above the partition plate and an area below the partition plate, and the accommodating space includes the area below the partition plate.

Preferably, the screw feeder further comprises a holding groove which is opened on the inner wall of the feed cylinder at the communication part of the air outlet and the screw channel.

Preferably, the baffle is located the bottom of gas vent and will the gas vent separates for the region more than the baffle completely, accommodation space includes the holding tank.

Preferably, the partition plate completely divides the exhaust port into an area above the partition plate and an area below the partition plate, and the accommodating space includes an area below the partition plate and an accommodating groove.

Preferably, the pay-off screw rod is including measurement pay-off plastify section, high pressure plastify section, pay-off decompression plastify section and send the plastify section by force, be equipped with super high pressure plastify section on the high pressure plastify section, super high pressure plastify section and the inner wall parallel arrangement of feed cylinder, and the clearance between the two is 0.5mm-2mm, the top of pay-off screw rod still is equipped with and sends the section by force.

Preferably, be equipped with on the slide and be used for carrying out spacing adjusting bolt to the slide, still be equipped with the feed opening on the base plate, the below of feed opening is equipped with the guide cylinder, the discharge end of feed cylinder is equipped with the filter screen, baffle and mount pad integrated into one piece.

The utility model has the advantages that:

compared with the prior art, the utility model, exhaust effectual, have multiple feeding form and can effectively prevent that plastic pellet from spilling over from the gas vent.

Drawings

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

fig. 2 is a schematic structural diagram of a propeller according to the present invention;

fig. 3 is a schematic structural view of a propeller of the present invention;

fig. 4 is a cross-sectional view of the propeller of the present invention;

FIG. 5 is a schematic view of the connection structure of the slide plate and the guide plate according to the present invention;

fig. 6 is a schematic structural view of the pusher of the present invention;

fig. 7 is a cross-sectional view of the pusher of the present invention;

FIG. 8 is an enlarged view at C of FIG. 7;

fig. 9 is a partial perspective view of the communication between the exhaust port and the screw passage according to the present invention.

In the figure: A. a propeller; a1, a storage bucket; a11, fixing plates; a2, a propulsion seat; a21, a metering screw; a22, a discharge hole; a23, a feed channel; a24, an exhaust passage; a25, perspective surface; a26, infrared sensors; a3, a sliding plate; a31, a slide block; a32, adjusting bolts; a33, opening holes; a34, panel; a341, a first mounting hole; a35, a backing plate; a351, a second mounting hole; a4, a guide plate; a41, a first through hole; a42, a second through hole; a5, a substrate; a51, a material conveying port; a52, a feed opening; a53, a guide cylinder; a6, a motor; a7, a PLC control box; B. a pusher; b1, a barrel; b2, a feed inlet; b3, an exhaust port; b4, a screw channel; b5, a feeding screw; b51, a metering feeding plasticizing section; b52, a forced plasticizing section; b521, ultra-strong compression molding section; b53, a feeding decompression plasticizing section; b54, forcibly conveying a plasticizing section; b55, forced feeding section; b6, a partition board; b61, an exhaust hole; b62, area above the partition board; b63, area under the partition; b7, a mounting seat; b71, mounting holes; b8, accommodating grooves; b9, an exhaust pipeline; b10, a filter screen.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-9, a plastic particle pushing apparatus includes a pusher a and a pusher B, where the pusher a includes a storage barrel a1, a substrate a5 having a material feeding port a51, a pushing seat a2 having a material discharging port a22 capable of being butted with the material feeding port a51 and slidably disposed on the substrate a5, a metering screw a21 disposed in the pushing seat a2, and a material feeding channel a23 disposed above the metering screw a21, the pusher B includes a material barrel B1 having a material feeding port B2 and a material discharging port B3, a screw channel B4 disposed in the material barrel B1, and a material feeding screw B5 disposed in the screw channel B4, and further includes: an exhaust passage A24 penetratingly arranged in the propulsion seat A2 and communicated with the discharge hole A22; a slide plate A3, which is arranged above the propulsion seat A2 and can move relative to the propulsion seat A2; an opening A33, which is opened on the slide plate A3 and can communicate the storage tank A1 with the feed channel A23 or the exhaust channel A24; a partition B6 provided in the exhaust port B3 and capable of completely dividing the exhaust port B3 into an above-partition region B62 and an below-partition region B63; an exhaust hole B61 provided through the partition B6; a mounting seat B7 provided on the partition plate B6 and having a mounting hole B71 communicating with the exhaust hole B61; a receiving space located below the partition B6 and used for temporarily storing the molten plastic conveyed by the feed screw B5.

By adopting the technical scheme, the propeller A is provided with the sliding plate A3, the feeding channel A23 and the exhaust channel A24, so that the storage barrel A1 can be communicated with the feeding channel A23 or the exhaust channel A24, when the storage barrel A1 is communicated with the feeding channel A23, plastic particles enter the propulsion seat A2 through the feeding channel A23, and then are quantitatively conveyed into the charging barrel B1 through the exhaust channel A24, the discharging port A22 and the conveying port A51 by the metering screw A21, wherein the arrangement of the exhaust channel A24 can discharge moisture and volatile substances in the charging barrel B1 through the exhaust channel A24, and a good exhaust effect can be achieved; when the storage barrel A1 is connected with the exhaust channel A24, plastic particles can directly enter the charging barrel B1 through the exhaust channel A24, so that the arrangement can meet the requirement of occasions in the actual production process where the plastic particles are not required to be quantitatively conveyed, and gas generated after plastic melting can also be discharged through the exhaust channel A24, so that the exhaust channel A24 has two functions, one of which can be used for exhausting and the other can be used for directly feeding, and has a good actual use effect; since the pusher B is provided with the partition B6 and the accommodating space, when the plastic is about to overflow from the exhaust port B3, the additional space provided by the accommodating space can temporarily store the plastic, while the partition B6 is provided with the exhaust hole B61, but can still block most of the plastic overflowing from the accommodating space or the screw channel B4 back to the feed screw B5, so as to further prevent the plastic from flowing out from the exhaust port B3, by providing the mounting seat B7 above the partition B6, even if a small part of the plastic overflows through the exhaust hole B61 and the mounting hole B71, the plastic is retained in the region B62 above the partition, so that the plastic can be effectively prevented from flowing back into the barrel B1, and since the exhaust hole B61 and the mounting hole B71 are provided, the gas can be exhausted through the exhaust hole B61, the mounting hole B71 and the exhaust pipe B9 above the exhaust port B3, and the mounting hole B71 can be provided with a threaded hole in which a plug (such as a screw) is detachably mounted therein, when the mounting hole B71 is not fitted with a plug, the mounting hole B71 may be used for venting air, and when the cartridge B1 is to be used for transporting other types of plastics, the plug is fitted into the mounting hole B71 to block the mounting hole B71, and the feed screw B5 is removed from the cartridge B1, so that the inside of the cartridge B1 can be cleaned.

Preferably, a sliding mechanism capable of enabling the storage vat a1 to slide relative to the propulsion seat a2 is arranged between the storage vat a1 and the sliding plate A3, the sliding mechanism comprises a guide plate a4 arranged on the storage vat a1 and sliding blocks a31 arranged on two sides below the sliding plate A3, the sliding blocks a31 can slide on the side surface of the guide plate a4, and the guide plate a4 is provided with a first through hole a41 communicated with the feeding channel a23 and a second through hole a42 communicated with the exhaust channel a 24.

Through adopting above-mentioned technical scheme, through slider A31 and deflector A4's cooperation, realize the slip of slide A3 to make storage vat A1 be linked together with feedstock channel A23 or exhaust passage A24.

Preferably, the sliding plate A3 includes a panel a34 and a backing plate a35, a plurality of groups of first mounting holes a341 uniformly distributed are provided on the base plate a5, a second mounting hole a351 corresponding to the first mounting hole a341 is provided on the backing plate a35, the area of the second mounting hole a351 is smaller than that of the first mounting hole a341, a fixing plate a11 is provided at the bottom of the storage barrel a1, and the storage barrel a1 is connected with the sliding plate A3 through the fixing plate a 11.

Through adopting above-mentioned technical scheme, first mounting hole A341 and second mounting hole A351 can set up to four groups, when fixed plate A11 is fixed in slide A3 through bolt and nut on, the nut can be arranged in first mounting hole A341, because the aperture of second mounting hole A351 is less than first mounting hole A341, the nut can offset with backing plate A35, backing plate A35 can play similar gasket's effect this moment, prevent to become flexible, connect more firmly, and the bolt passes on fixed plate A11 and can be fixed in slide A3 with storage vat A1, and because first mounting hole A341 and second mounting hole A351 have certain regulation size, so alright satisfy the storage vat A1 of different bores and install on slide A3.

Preferably, the outer side wall of the propulsion seat a2, which is located on the exhaust passage a24, is provided with a perspective surface a25, the perspective surface a25 is provided with an infrared sensor a26, and the propulsion seat a2 is further provided with a PLC control box a7 and a motor a 6.

By adopting the technical scheme, the perspective surface A25 can be made of glass or other transparent materials, so that the feeding condition in the propulsion seat A2 can be observed in real time, the infrared sensor A26 can detect materials (namely plastic particles, the same below) in the exhaust channel A24, when the conveyed material amount is too large to block the discharge port A22, the infrared sensor A26 can transmit signals to the PLC control box A7, the PLC control box A7 then controls the motor A6 to adjust the rotation parameters of the metering screw A21, the infrared sensor A26 can also detect the materials in the exhaust channel A24 in real time, the transmission of the materials by the metering screw A21 can also be optimized, and the motor A6 can be a stepping motor A6.

Preferably, the partition B6 completely divides the exhaust port B3 into an above-partition region B62 and an below-partition region B63, and the accommodating space includes an below-partition region B63.

By adopting the technical scheme, the partition plate B6 can be arranged in the air outlet B3 in a straight or inclined mode, so that the partition plate B6 can completely separate the air outlet B3 and form an area B62 above the partition plate and an area B63 below the partition plate, and the area B63 below the partition plate can be used as a containing space, so that the area B63 below the partition plate can be used for temporarily storing plastics.

Preferably, the screw extruder further comprises a receiving groove B8 opened on the inner wall of the barrel B1 at the communication part of the air vent B3 and the screw channel B4.

By adopting the above technical scheme, the accommodating groove B8 can be opened on both axial sides of the feed screw B5 (as shown in fig. 8 and 9), and also can be opened on both radial sides of the feed screw B5, so that the accommodating groove B8 can be used as an accommodating space or a part of the accommodating space.

Preferably, the partition B6 is provided at the bottom end of the vent B3 and divides the vent B3 into an area B62 above the partition completely, and the accommodating space includes an accommodating groove B8.

Through adopting above-mentioned technical scheme, baffle B6 is located gas vent B3 bottom, and baffle B6 is just divided into the regional B62 more than the baffle with gas vent B3, and holding tank B8 is used as accommodation space this moment.

Preferably, the partition B6 completely divides the exhaust port B3 into an above-partition region B62 and an below-partition region B63, and the accommodating space includes an below-partition region B63 and an accommodating groove B8.

Through adopting above-mentioned technical scheme, below the baffle region B63 and holding tank B8 all can be used as accommodation space this moment for accommodation space can store more plastics in temporary.

Preferably, feeding screw B5 is including measurement pay-off plastify section B51, forced plasticization section B52, pay-off decompression plastify section B53 and forced plasticization section B54, be equipped with super forced plasticization section B521 on the forced plasticization section B52, super forced plasticization section B521 and feed cylinder B1's inner wall parallel arrangement, and the clearance between the two is 0.5mm-2mm, feeding screw B5's top still is equipped with forced section B55.

Through adopting above-mentioned technical scheme, the clearance between superstrong compression molding section B521 and the feed cylinder B1 inner wall is less than the clearance between strong pressure plastify section B52 and the feed cylinder B1 inner wall for fused plastics can realize the separation of plastics and moisture when the transmission of super strong pressure plastify section B521, with reach carminative purpose better, and send section B55's setting by force, compared in the setting that prior art's screw rod top adopted the prong structure, it can more do benefit to the propelling out of plastics.

Preferably, slide A3 is last to be equipped with and to be used for carrying on spacing adjusting bolt A32 to slide A3, still be equipped with feed opening A52 on the base plate A5, the below of feed opening A52 is equipped with guide cylinder A53, the discharge end of feed cylinder B1 is equipped with filter screen B10, baffle B6 and mount pad B7 integrated into one piece.

Through adopting above-mentioned technical scheme, when the deflector A4 slides needs, only need loosen adjusting bolt A32, on the contrary, when the deflector A4 is fixed as needs, adjust bolt A32 of screwing can, it is convenient to adjust, feed opening A52 and guide cylinder A53's setting can make things convenient for the unloading more, filter screen B10's setting, when plastics are injected out feed cylinder B1, it can carry out effectual filtration to the impurity in the plastics, and with baffle B6 and mount pad B7 integrated into one piece, can be convenient for the fixed of mount pad B7 position on baffle B6, also be convenient for to the processing of mounting hole B71 and exhaust hole B61.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a plastic pellet pusher, includes propeller and pusher, the propeller include the storage vat, have the base plate of conveying mouth, have can with discharge gate and slidable ground that conveying mouth docks are located propulsion seat on the base plate, locate advance the interior metering screw of seat and locate the feed channel of metering screw top, the pusher is including having the feed cylinder of feed inlet and gas vent, locating screw rod passageway in the feed cylinder and locating the pay-off screw in the screw rod passageway, its characterized in that still includes:

the exhaust channel is penetratingly arranged in the propulsion seat and communicated with the discharge hole;

the sliding plate is arranged above the propelling seat and can move relative to the propelling seat;

the opening is formed in the sliding plate and can communicate the storage bucket with the feeding channel or the exhaust channel;

a partition plate provided in the exhaust port and capable of completely dividing the exhaust port into an area above the partition plate and an area below the partition plate;

the exhaust hole is penetratingly arranged in the clapboard;

the mounting seat is arranged on the partition plate and is provided with a mounting hole communicated with the exhaust hole;

and the accommodating space is positioned below the partition plate and can be used for temporarily storing the molten plastic conveyed by the feeding screw.

2. The plastic particle pushing device as claimed in claim 1, wherein a sliding mechanism for sliding the storage bin relative to the pushing base is disposed between the storage bin and the sliding plate, the sliding mechanism includes a guide plate disposed on the storage bin and sliding blocks disposed on two sides below the sliding plate, the sliding blocks can slide on the side surfaces of the guide plate, and the guide plate is provided with a first through hole communicated with the feeding channel and a second through hole communicated with the exhaust channel.

3. The plastic particle pushing device as claimed in claim 2, wherein the sliding plate comprises a panel and a backing plate, the base plate is provided with a plurality of groups of first mounting holes uniformly distributed, the backing plate is provided with second mounting holes corresponding to the first mounting holes, the area of the second mounting holes is smaller than that of the first mounting holes, the bottom of the storage vat is provided with a fixing plate, and the storage vat is connected with the sliding plate through the fixing plate.

4. The plastic particle pushing device as claimed in claim 3, wherein a perspective surface is provided on an outer side wall of the pushing seat located on the exhaust passage, an infrared sensor is provided on the perspective surface, and a PLC control box and a motor are further provided on the pushing seat.

5. A plastic particle pushing apparatus as claimed in claim 1 or 4, wherein said partition plate completely divides said air outlet into an area above the partition plate and an area below the partition plate, and said accommodation space includes an area below the partition plate.

6. A plastic pellet pushing apparatus as claimed in claim 1 or 4, further comprising a receiving groove provided on an inner wall of said barrel at a position where said discharge port communicates with said screw passage.

7. The plastic particle pushing apparatus as claimed in claim 6, wherein the partition is provided at a bottom end of the air outlet and divides the air outlet into an area above the partition, and the accommodating space includes an accommodating groove.

8. A plastic particle pushing apparatus as claimed in claim 6, wherein said partition plate completely divides said air outlet into an area above the partition plate and an area below the partition plate, and said accommodating space includes an area below the partition plate and an accommodating groove.

9. The plastic particle pushing device according to claim 1, wherein the feeding screw comprises a metering feeding plasticizing section, a forced plasticizing section, a feeding decompression plasticizing section and a forced feeding plasticizing section, the forced feeding plasticizing section is provided with a super-forced plasticizing section, the super-forced plasticizing section is arranged in parallel with the inner wall of the charging barrel, a gap between the super-forced plasticizing section and the inner wall of the charging barrel is 0.5mm-2mm, and the top end of the feeding screw is further provided with a forced feeding section.

10. The plastic particle pushing device as claimed in claim 1, wherein the sliding plate is provided with an adjusting bolt for limiting the sliding plate, the base plate is further provided with a feed opening, a material guide cylinder is arranged below the feed opening, a filter screen is arranged at the discharge end of the material guide cylinder, and the partition plate and the mounting seat are integrally formed.