CN217573890U

CN217573890U - Directional drainage device for mold glue feeding

Info

Publication number: CN217573890U
Application number: CN202221719087.4U
Authority: CN
Inventors: 赵磊; 邓旻睿; 王文峰
Original assignee: Chengdu Weiran Technology Co ltd
Current assignee: Chengdu Weiran Technology Co ltd
Priority date: 2022-07-04
Filing date: 2022-07-04
Publication date: 2022-10-14
Anticipated expiration: 2032-07-04

Abstract

The utility model discloses a mould advances to glue with directional drainage device relates to injection mold technical field. The injection molding machine comprises an injection molding machine body, the injection molding machine surface is provided with the switch, injection molding machine fixed surface is connected with the base, fixed surface installs the cover half on the base, the die cavity has been seted up on the cover half surface, the pipe of moulding plastics has been seted up on the injection molding machine surface, mould plastics a tub other end fixedly connected with movable mould, fixed surface is connected with mould benevolence under the movable mould, movable mould inner wall fixedly connected with drainage tube, the drainage tube is rhombus column structure, the lower extreme inner wall fixedly connected with dog of drainage tube, mould benevolence lower surface runs through and has seted up the mouth of moulding plastics, the mouth of moulding plastics is in the same place with drainage tube inner wall intercommunication for the distribution of the fluid of moulding plastics in the die cavity is more even, reduces the possibility that the bubble appears, the effectual quality that improves forming die.

Description

Directional drainage device for mold glue feeding

Technical Field

The utility model relates to an injection mold technical field especially relates to a mould advances to glue with directional drainage device.

Background

The injection mold is a tool for producing plastic products and also a tool for endowing the plastic products with complete structures and accurate dimensions, and the plastic which is melted by heating is injected into a mold cavity by an injection molding machine at high pressure and is cooled and solidified to obtain a formed product.

However, in the process of glue feeding of the existing injection mold, the injection mold is usually poured vertically, which easily causes the too high speed of the injection fluid entering the mold cavity, so that the injection fluid in the mold cavity is not uniformly distributed, and the quality of the molding mold is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mould advances to glue with directional drainage device has solved the technical problem that the aforesaid mentioned.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a mould advances gluey with directional drainage device, includes the injection molding machine, the injection molding machine surface is provided with the switch, injection molding machine fixed surface is connected with the base, fixed surface installs the cover half on the base, the die cavity has been seted up on the cover half surface, the pipe of moulding plastics has been seted up on the injection molding machine surface, mould plastics a tub other end fixedly connected with movable mould, fixed surface is connected with mould benevolence under the movable mould, movable mould inner wall fixedly connected with drainage tube, the drainage tube is rhombus column structure, the lower extreme inner wall fixedly connected with dog of drainage tube, mould benevolence lower surface runs through and has seted up the mouth of moulding plastics, the mouth of moulding plastics is in the same place with the drainage tube inner wall intercommunication.

Preferably, the movable mold surface is fixedly connected with a limiting block and a sliding block, the surface of the limiting block is connected with a limiting rod in a penetrating and sliding mode, the upper surface of the limiting rod is fixedly connected with a first fixing rod, the surface of the sliding block is connected with a lead screw in a penetrating and threaded mode, the surface of the lead screw is connected with a second fixing plate through a bearing fixedly connected with, the first fixing rod and the second fixing plate are fixedly connected to the surface of the injection molding machine, the lower end of the lead screw is fixedly connected with an output shaft of a motor, and the motor is fixedly connected to the surface of a base.

Preferably, the lower surface of the fixed die is connected with an ejector rod in a penetrating and sliding mode, the ejector rod is embedded inside the base, and the upper surface of the ejector rod is attached to the lower inner wall of the die cavity.

Preferably, the movable mould surface fixed mounting has the heating piece, the laminating of heating piece is on drainage tube surface.

Preferably, the heating blocks are distributed on two sides of the drainage tube by taking the injection molding tube as a center.

Preferably, the switch is electrically connected with the heating block, the motor and the ejector rod through wires.

Compared with the prior art, the utility model provides a pair of mould advances to glue with directional drainage device has following beneficial effect:

the utility model provides a mould advances gluey directional drainage device of using, the motor starts to make its output shaft drive the lead screw and rotates, and then drive the vertical removal of slider, the stopper slides on the gag lever post surface, thereby drive the movable mould and remove and laminate with the cover half, it gets into the die cavity to drive mould benevolence, then by the injection molding machine through moulding plastics in the pipe to the die cavity, the injection fluid in the injection molding pipe is divided into two when the fluid passes through the drainage tube upper end and flows downwards in the drainage tube left and right sides and reduce its flow velocity, then collect again at the inner wall of injection molding after the fluid stream of moulding plastics flows to the drainage tube lower extreme and then flow into the die cavity inner wall and accomplish into gluey, start the motor once more after finishing and drive the movable mould and shift up, can be ejecting with the forming die in the die cavity by the ejector pin, make the speed that the injection fluid got into the die cavity when carrying out the pouring of straight-up, make the distribution of injection fluid in the die cavity more even, reduce the possibility that the bubble appears, the effectual quality that has improved forming die, solved present current injection mold in-process of advancing gluey, generally, the speed that leads to the pouring of straight-up fluid to get into the mould fast, make the inhomogeneous problem that the distribution of the injection mold that has reduced.

The utility model provides a mould advances to glue with directional drainage device heats the drainage tube by the on-off control heating piece of injection molding machine for the in-process of moulding plastics, shunted by the drainage tube and to get the fluid of moulding plastics can not be because of the condition that the cooling appears in the flow in-process in the drainage tube, effectually avoided leading to forming die to appear because of the fluid temperature reduction of moulding plastics the condition of bubble, further assurance forming die's quality.

Drawings

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

FIG. 2 is a schematic view of the slider structure of the present invention;

FIG. 3 is a sectional view of the fixed mold structure of the present invention;

fig. 4 is a sectional view of the drainage tube structure of the utility model.

In the figure: 1. the injection molding machine comprises an injection molding machine body 11, a base, 12, a fixed die, 13, a die cavity, 14, a movable die, 15, a die core, 16, a limiting rod, 17, a first fixed rod, 18, an injection molding pipe, 19, a second fixed plate, 2, a screw rod, 21, a motor, 22, a heating block, 23, a drainage pipe, 24, a limiting block, 25, a sliding block, 26, a stop block, 27, an injection molding opening, 28 and an ejector rod.

Detailed Description

The first embodiment is as follows:

please refer to fig. 1-4, the utility model provides a technical scheme, including injection molding machine 1, injection molding machine 1 surface is provided with the switch, injection molding machine 1 fixed surface is connected with base 11, fixed surface installs cover half 12 on base 11, cover half 12 surface has seted up die cavity 13, injection molding pipe 18 has been seted up on injection molding machine 1 surface, the other end fixedly connected with movable mould 14 of injection molding pipe 18, fixed surface is connected with mould benevolence 15 under the

movable mould

14, 14 inner wall fixedly connected with drainage tube 23 of movable mould, drainage tube 23 is the rhombus column structure, the lower extreme inner wall fixedly connected with dog 26 of drainage tube 23, mould benevolence 15 lower surface runs through has seted up the mouth of moulding plastics 27, the mouth of moulding plastics communicates with 23 inner wall together, fixed surface is connected with stopper 24 of movable mould 14, slider 25, stopper 24 surface runs through sliding connection has gag lever 16, fixed surface is connected with dead lever 17 on gag lever 16, slider 25 surface runs through threaded connection has lead screw 2, lead screw 2 surface passes through two 19 of bearing fixedly connected with fixed plate 19 on the surface, dead lever one 17, two 19 of fixed plate all fixedly connected with on the surface of injection molding machine 1, lower extreme fixedly connected with the output shaft of motor 21 of motor 2, motor 21 fixed connection is on the surface of base 11 surface, 12 lower surface is connected with the surface of fixed die cavity 28, the ejector pin is embedded ejector pin in the die cavity inner wall 13.

In this embodiment: the motor 21 is started to drive the output shaft of the motor to drive the screw rod 2 to rotate, so as to drive the slide block 25 to vertically move, the limiting block 24 slides on the surface of the limiting rod 16, so as to drive the movable mold 14 to move and be attached to the fixed mold 12, drive the mold core 15 to enter the mold cavity 13, then the injection molding machine 1 performs injection molding on the mold cavity 13 through the injection molding pipe 18, when fluid passes through the upper end of the drainage pipe 23, the injection molding fluid in the injection molding pipe 18 is divided into two parts and flows downwards at the left side and the right side of the drainage pipe 23, the flow speed of the injection molding fluid is reduced, then the injection molding fluid collides the stop 26 when flowing to the lower end of the drainage pipe 23, converges on the inner wall of the injection molding opening 27 again and flows into the inner wall of the mold cavity 13 to complete glue feeding, after molding is completed, the motor 21 is started again to drive the movable mold 14 to move upwards, the ejector rod 28 can eject out the molding mold in the mold cavity 13, so that the speed of the injection molding fluid entering the mold cavity during straight-up and straight-down pouring can be buffered, the distribution of the mold cavity is more uniform, the possibility of bubbles is reduced, and the quality of the molding mold is effectively improved.

Example two:

referring to fig. 4, based on the first embodiment, the present invention provides a technical solution: the surface of the movable mold 14 is fixedly provided with a heating block 22, the heating block 22 is attached to the surface of the drainage tube 23, the heating block 22 is distributed on two sides of the drainage tube 23 by taking the injection molding tube 18 as the center, and the switch is electrically connected with the heating block 22, the motor 21 and the ejector rod 28 through leads.

In this embodiment: the switch control heating block 22 of the injection molding machine 1 heats the drainage tube 23, so that in the injection molding process, the injection molding fluid which is shunted by the drainage tube 23 cannot be cooled in the flowing process in the drainage tube 23, the condition that bubbles appear in the molding mold due to the temperature reduction of the injection molding fluid is effectively avoided, and the quality of the molding mold is further ensured.

The working principle is as follows: the motor 21 is started to enable an output shaft of the motor to drive the screw rod 2 to rotate, and further drive the sliding block 25 to vertically move, the limiting block 24 slides on the surface of the limiting rod 16, so that the movable mold 14 is driven to move and be attached to the fixed mold 12, the mold core 15 is driven to enter the mold cavity 13, then the injection molding machine 1 performs injection molding on the mold cavity 13 through the injection molding pipe 18, when fluid passes through the upper end of the drainage pipe 23, the injection molding fluid in the injection molding pipe 18 is divided into two parts and flows downwards on the left side and the right side of the drainage pipe 23, the flow speed of the injection molding fluid is reduced, when the injection molding fluid flows to the lower end of the drainage pipe 23, the injection molding fluid is converged on the inner wall of the injection molding opening 27 and flows into the inner wall of the mold cavity 13 again to complete injection, after molding is completed, the motor 21 is started again to drive the movable mold 14 to move upwards, the ejector rod 28 can eject out the molding mold in the mold cavity, the injection molding fluid when the straight-up and down pouring, the injection molding fluid enters the mold cavity, the distribution of the injection molding fluid is more uniform, the distribution of the injection molding fluid in the mold cavity is reduced, the possibility of bubbles is reduced, the quality of the injection molding fluid is effectively improved, and the injection molding fluid is further avoided.

Claims

1. The utility model provides a mould advances to glue with directional drainage device, includes injection molding machine (1), injection molding machine (1) surface is provided with the switch, its characterized in that: injection molding machine (1) fixed surface is connected with base (11), fixed surface installs cover half (12) on base (11), die cavity (13) have been seted up on cover half (12) surface, injection molding machine (1) surface has been seted up and has been moulded plastics pipe (18), mould plastics pipe (18) other end fixedly connected with movable mould (14), fixed surface is connected with mould benevolence (15) under movable mould (14), movable mould (14) inner wall fixedly connected with drainage tube (23), drainage tube (23) are rhombus column structure, the lower extreme inner wall fixedly connected with dog (26) of drainage tube (23), mould benevolence (15) lower surface runs through and has seted up mouth (27) of moulding plastics, it is in the same place to mould plastics mouth (27) and drainage tube (23) inner wall intercommunication.

2. The directional drainage device for mold glue feeding according to claim 1, characterized in that: the injection molding machine is characterized in that a limiting block (24) is fixedly connected to the surface of the movable mold (14), a sliding block (25) is arranged on the surface of the limiting block (24), a limiting rod (16) is connected to the surface of the limiting rod (16) in a penetrating and sliding mode, a first fixing rod (17) is connected to the surface of the limiting rod (16), a screw rod (2) is connected to the surface of the sliding block (25) in a penetrating and threaded mode, a second fixing plate (19) is fixedly connected to the surface of the screw rod (2) through a bearing, the first fixing rod (17) and the second fixing plate (19) are fixedly connected to the surface of the injection molding machine (1), an output shaft of a motor (21) is fixedly connected to the lower end of the screw rod (2), and the motor (21) is fixedly connected to the surface of the base (11).

3. The directional drainage device for mold glue feeding according to claim 2, characterized in that: the lower surface of the fixed die (12) is connected with an ejector rod (28) in a penetrating and sliding mode, the ejector rod (28) is embedded inside the base (11), and the upper surface of the ejector rod (28) is attached to the lower inner wall of the die cavity (13).

4. The directional drainage device for mold glue feeding according to claim 3, characterized in that: the surface of the movable mold (14) is fixedly provided with a heating block (22), and the heating block (22) is attached to the surface of the drainage tube (23).

5. The directional drainage device for mold glue feeding according to claim 4, characterized in that: the heating blocks (22) are distributed on two sides of the drainage tube (23) by taking the injection molding tube (18) as a center.

6. The directional drainage device for mold glue feeding according to claim 5, characterized in that: the switch is electrically connected with the heating block (22), the motor (21) and the ejector rod (28) through leads.