CN213006245U

CN213006245U - Fluid-assisted injection molding device for PET and HDPE blend

Info

Publication number: CN213006245U
Application number: CN202021893504.8U
Authority: CN
Inventors: 黄淑慧; 赵珠宇; 林军
Original assignee: Jiangxi University of Science and Technology
Current assignee: Jiangxi University of Science and Technology
Priority date: 2020-09-01
Filing date: 2020-09-01
Publication date: 2021-04-20
Anticipated expiration: 2030-09-01

Abstract

The utility model belongs to the technical field of the fluid technique of moulding plastics and specifically relates to a device of moulding plastics is assisted to fluid of PET, HDPE blend, including circular cylinder, circular cylinder's top fixedly connected with apron, the top threaded connection of apron has the feeding lid, the top fixedly connected with pull ring of feeding lid, the booster pump is installed at the top of apron, the mouth of pipe of booster pump runs through the side of apron and extends into, circular cylinder's bottom is connected with the connecting plate through the support component, be connected with a plurality of drain pipes around the circular cylinder bottom, the rotor plate has been placed in the circular cylinder, open the side of rotor plate has a plurality of round holes. This device rotates through the rotating ring and makes the blend of L shape pole adhesion on the mouth of pipe inner wall strike off, improves the efficiency of moulding plastics, presses to the rectangular channel in through the dog of holding both sides, just can take out L shape pole lantern ring, and the dismantlement mode is simple swift, has improved the efficiency of washing the maintenance.

Description

Fluid-assisted injection molding device for PET and HDPE blend

Technical Field

The utility model relates to a fluid field of moulding plastics especially relates to a supplementary device of moulding plastics of fluid of PET, HDPE blend.

Background

Injection molding is a method for producing moldings from industrial products, and generally uses a main molding device for making various shapes of plastic products from thermoplastic plastics or thermosetting materials by using a plastic molding die, the injection molding is realized by using an injection molding machine and a die, materials heated to be molten are injected into the product die by using pressure in the injection molding process, and when a PET/HDPE blend is subjected to injection molding, a part of the blend is remained at an outlet and is cooled and solidified due to small fluidity and strong viscosity of the blend, so that the injection molding is influenced and even the outlet is blocked.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a fluid-assisted injection molding device for PET and HDPE blends.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a fluid-assisted injection molding device for PET and HDPE blends comprises a circular cylinder body, wherein the top of the circular cylinder body is fixedly connected with an apron, the top of the apron is in threaded connection with a feeding cover, the top of the feeding cover is fixedly connected with a pull ring, the top of the apron is provided with a booster pump, a pipe orifice of the booster pump penetrates through the side surface of the apron and extends into the apron, the bottom of the circular cylinder body is connected with a connecting plate through a supporting part, the periphery of the bottom of the circular cylinder body is connected with a plurality of liquid outlet pipes, a rotating plate is placed in the circular cylinder body, the side surface of the rotating plate is provided with a plurality of round holes, the liquid outlet pipes are uniformly distributed in the round holes respectively, a rotating shaft is fixedly connected with the axle center of one side of the rotating plate, one end of the rotating shaft penetrates through the bottom of the circular cylinder body and extends out, the inboard fixedly connected with circular tube of bolt, the top of circular tube contacts with the bottom of drain pipe, the bottom of circular tube is extended away and is equipped with the swivel becket from the bottom in the bolt, the side fixedly connected with spacing ring of circular tube bottom, open the inboard of swivel becket has the circular recess, the spacing ring is located the circular recess, the equal fixedly connected with lantern ring in bottom that the swivel becket corresponds both sides, all the cover is equipped with L shape pole in the lantern ring, the one end of L shape pole is connected with stop part, the other end of L shape pole is located the circular tube, just the other end of L shape pole contacts with the inner wall of circular tube.

Preferably, the supporting part comprises a ring base, the ring base is fixedly connected to the bottom of the side face of the circular cylinder, the bottom of the ring base is fixedly connected with a plurality of supporting columns, the bottom of each supporting column is fixedly connected with an anti-slip pad, and a connecting plate is fixedly connected between the supporting columns.

Preferably, the driving part comprises a motor, the motor is installed above the connecting plate, a driving gear is fixedly connected to a transmission shaft of the motor, a transmission gear is fixedly connected to one end of the rotating shaft, and the driving gear and the transmission gear are meshed with each other.

Preferably, the limiting component comprises two rectangular grooves, the two rectangular grooves are respectively arranged on two sides of one end of the L-shaped rod, a spring is placed in each rectangular groove, a sliding plate is placed on one side of each rectangular groove, a stop block is fixedly connected to one side of each sliding plate, and one end of each stop block penetrates through two sides of one end of the L-shaped rod and extends out.

Preferably, the inner diameter and the outer diameter of the liquid outlet pipe and the circular pipe are the same, and the outer side of one end of the liquid outlet pipe is provided with a rotary thread.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. rotate through the swivel becket, drive the L shape pole of both sides and rotate, the one end of L shape pole contacts with the inner wall of circular duct, strikes off the blend of adhesion on the mouth of pipe inner wall at the pivoted in-process, prevents that the residue from solidifying at the liquid outlet and influencing the efficiency of moulding plastics, improves the efficiency of moulding plastics.

2. The check blocks on the two sides are pressed and are pressed in the rectangular groove, the check blocks are compressed by the springs on the two sides and return to the rectangular groove, the L-shaped rod is out of limit and can be taken out of the lantern ring, the disassembling mode is simple and fast, and the cleaning and maintaining efficiency is improved.

Drawings

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

fig. 2 is a schematic view of the overhead structure of the present invention;

FIG. 3 is a schematic cross-sectional view of the circular cylinder of the present invention;

fig. 4 is an enlarged schematic view of a structure shown in fig. 3 according to the present invention.

In the figure: the device comprises a circular cylinder body 1, a cover plate 2, a booster pump 3, a pull ring 4, a feeding cover 5, a circular ring base 6, a support column 7, a connecting plate 8, a rotating plate 9, a circular hole 10, a liquid outlet pipe 11, a motor 12, a driving gear 13, a transmission gear 14, a rotating shaft 15, a bolt 16, a rotating ring 17, a circular groove 18, a stop block 19, a sliding plate 20, a spring 21, a rectangular groove 22, a lantern ring 23, a limiting ring 24, an L-shaped rod 25 and a circular pipe 26.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

The fluid-assisted injection molding device for the PET and HDPE blend shown in the figures 1-4 comprises a circular cylinder body 1, a cover plate 2 is fixedly connected to the top of the circular cylinder body 1, a feeding cover 5 is in threaded connection with the top of the cover plate 2, a pull ring 4 is fixedly connected to the top of the feeding cover 5, a booster pump 3 is installed at the top of the cover plate 2, and a pipe orifice of the booster pump 3 penetrates through the side face of the cover plate 2 and extends into the cover plate.

The bottom of circular cylinder 1 is connected with connecting plate 8 through the supporting component, the supporting component includes

ring base

6, 6 fixed connection in the bottom of 1 side of circular cylinder of ring base, a plurality of support columns 7 of the bottom fixedly connected with of ring base 6, the bottom fixedly connected with slipmat of support column 7, fixedly connected with connecting plate 8 between the support column 7, be connected with a plurality of drain pipes 11 around 1 bottom of circular cylinder, rotor plate 9 has been placed in the circular cylinder 1, open the side of rotor plate 9 has a plurality of round holes 10, a plurality of drain pipes 11 are equallyd divide and do not are located a plurality of round holes 10, fixedly connected with pivot 15 is located to the axle center of rotor plate 9 one side.

One end of the rotating shaft 15 penetrates through the bottom of the circular cylinder 1 and extends out to be connected with a driving part, the driving part comprises a motor 12, the motor 12 is installed above the connecting plate 8, a driving gear 13 is fixedly connected onto a transmission shaft of the motor 12, a transmission gear 14 is fixedly connected onto one end of the rotating shaft 15, and the driving gear 13 is meshed with the transmission gear 14.

The implementation mode is specifically as follows:

through the top fixed connection apron 2 at circular barrel 1, and with the top at apron 2 of 5 threaded connection of feeding lid, pour into the blend through rotating feeding lid 5 and from the pan feeding mouth, strengthen circular barrel 1's pressure through booster pump 3, come supplementary blend to follow drain pipe 11 outflow, improve the height of device through support column 7, make things convenient for manual operation, and set up slipmat preventing device and produce the displacement, rotor plate 9 is at circular barrel 1 internal rotation, when drain pipe 11 is located round hole 10, the blend just can flow from drain pipe 11, stop moulding plastics when round hole 10 is changeed from drain pipe 11, motor 12 rotates and makes driving gear 13 produce the rotation, driving gear 13 cooperation drive gear 14, drive pivot 15 rotates always, make the play liquid produce periodicity, conveniently change the mould.

Threaded connection has bolt 16 on the one end of drain pipe 11, the inboard fixedly connected with round pipe 26 of bolt 16, the internal diameter and the external diameter of drain pipe 11 and round pipe 26 are all the same, rotatory screw thread has been opened in the outside of the one end of drain pipe 11, the top of round pipe 26 contacts with the bottom of drain pipe 11, the bottom of round pipe 26 is extended away and is overlapped from the bottom in the bolt 16 and is equipped with swivel ring 17, the side fixedly connected with spacing ring 24 of round pipe 26 bottom, open the inboard of swivel ring 17 has circular recess 18, spacing ring 24 is located circular recess 18, the equal fixedly connected with lantern ring 23 in bottom that swivel ring 17 corresponds both sides, it is equipped with L shape pole 25 all to overlap in the lantern ring 23.

L shape pole 25's one end is connected with stop part, stop part includes two rectangular channel 22, two rectangular channel 22 set up respectively in the both sides of L shape pole 25 one end, spring 21 has been placed in the rectangular channel 22, sliding plate 20 has been placed to one side of rectangular channel 22, one side fixedly connected with dog 19 of sliding plate 20, the both sides of L shape pole 25 one end are run through respectively and extend away to the one end of two dog 19, the other end of L shape pole 25 is located circular tube 26, and the other end of L shape pole 25 contacts with circular tube 26's inner wall.

The implementation mode is specifically as follows:

install circular tube 26 in drain pipe 11 bottom through bolt 16, circular tube 26 is at the inside fixed connection of bolt 16, swivel ring 17 rotates around circular groove 18, the L shape pole 25 of drive both sides rotates, the one end of L shape pole 25 contacts with the inner wall of circular tube 26, scrape off the blend that the adhesion is on the mouth of pipe inner wall at the pivoted in-process, put into lantern ring 23 with the one end of L shape pole 25, the spring 21 extrusion sliding plate 20 of both sides, extrude rectangular channel 22 with the one end of dog 19, one side of dog 19 is located one side of lantern ring 23, restriction L shape pole 25 drops from the lantern ring 23, press the dog 19 of both sides and press to rectangular channel 22 in, just can take out L shape pole 25, conveniently wash the maintenance.

The utility model discloses the theory of operation:

referring to fig. 1-4, in the using process, a booster pump 3 switch and a motor 12 switch are started, the booster pump 3 increases the pressure of a circular cylinder 1 to assist a blend to flow out of a liquid outlet pipe 11, the motor 12 rotates to enable a driving gear 13 to rotate, the driving gear 13 is matched with a transmission gear 14 to drive a rotating shaft 15 to rotate all the time, when the liquid outlet pipe 11 is located in a circular hole 10, the blend can flow out of the liquid outlet pipe 11, injection molding is stopped when the circular hole 10 rotates away from the liquid outlet pipe 11, one end of an L-shaped rod 25 is placed into a lantern ring 23 after injection molding is finished, the rotating ring 17 is held to rotate, the L-shaped rods 25 on two sides rotate, one end of the L-shaped rod 25 is in contact with the inner wall of the circular pipe 26, and the blend adhered to the inner.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a supplementary injection moulding device of fluid of PET, HDPE blend, includes circular cylinder body (1), its characterized in that, the top fixedly connected with apron (2) of circular cylinder body (1), the top threaded connection of apron (2) has feeding lid (5), the top fixedly connected with pull ring (4) of feeding lid (5), booster pump (3) are installed at the top of apron (2), the mouth of pipe of booster pump (3) runs through the side of apron (2) and extends into, the bottom of circular cylinder body (1) is connected with connecting plate (8) through the support component, be connected with a plurality of drain pipes (11) around circular cylinder body (1) bottom, place rotor plate (9) in circular cylinder body (1), the side of rotor plate (9) is opened has a plurality of round holes (10), and is a plurality of drain pipe (11) are equallyd divide and do not are located a plurality of round holes (10), the axis of rotating plate (9) one side department fixedly connected with pivot (15), the one end of pivot (15) runs through the bottom of circular barrel (1) and extends away to be connected with drive assembly, threaded connection has bolt (16) on one end of drain pipe (11), the inboard fixedly connected with circular pipe (26) of bolt (16), the top of circular pipe (26) contacts with the bottom of drain pipe (11), the bottom of circular pipe (26) extends away and overlaps from the bottom in bolt (16) is equipped with swivel becket (17), the side fixedly connected with spacing ring (24) of circular pipe (26) bottom, open the inboard of swivel becket (17) has circular recess (18), spacing ring (24) are located circular recess (18), the equal fixedly connected with lantern ring (23) in the bottom that swivel becket (17) corresponds both sides, all overlap in lantern ring (23) and be equipped with L shape pole (25), one end of the L-shaped rod (25) is connected with a limiting component, the other end of the L-shaped rod (25) is positioned in the circular tube (26), and the other end of the L-shaped rod (25) is in contact with the inner wall of the circular tube (26).

2. The PET HDPE blend fluid-assisted injection molding device according to claim 1, wherein the supporting member comprises a circular ring base (6), the circular ring base (6) is fixedly connected to the bottom of the side surface of the circular cylinder (1), a plurality of supporting columns (7) are fixedly connected to the bottom of the circular ring base (6), non-slip mats are fixedly connected to the bottoms of the supporting columns (7), and a connecting plate (8) is fixedly connected between the supporting columns (7).

3. The PET and HDPE blend fluid-assisted injection molding device according to claim 1 or 2, wherein the driving means comprises a motor (12), the motor (12) is mounted above the connecting plate (8), a driving gear (13) is fixedly connected to a transmission shaft of the motor (12), a transmission gear (14) is fixedly connected to one end of the rotating shaft (15), and the driving gear (13) and the transmission gear (14) are engaged with each other.

4. The fluid-assisted injection molding device for PET and HDPE blend according to claim 1, wherein the limiting member comprises two rectangular grooves (22), the two rectangular grooves (22) are respectively opened at two sides of one end of the L-shaped rod (25), the spring (21) is placed in the rectangular groove (22), the sliding plate (20) is placed at one side of the rectangular groove (22), the stop block (19) is fixedly connected to one side of the sliding plate (20), and one end of the two stop blocks (19) respectively penetrates through two sides of one end of the L-shaped rod (25) and extends out.

5. A fluid assisted injection moulding apparatus of PET HDPE blend as claimed in claim 1, characterized in that the inside and outside diameters of said outlet pipe (11) and said circular pipe (26) are the same, and the outside of one end of said outlet pipe (11) is provided with a rotating screw thread.