CN112793093A

CN112793093A - Double-injection-port injection molding device capable of automatically ejecting plastic

Info

Publication number: CN112793093A
Application number: CN202011531518.XA
Authority: CN
Inventors: 何星
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-22
Filing date: 2020-12-22
Publication date: 2021-05-14

Abstract

The invention relates to the technical field of plastic injection molding equipment, and discloses an automatic ejection double-injection-port injection molding device for plastic injection, which comprises an upper mold, wherein a slide rod is connected inside the upper mold in a sliding manner, a return spring is sleeved outside the slide rod, one end of the return spring, which is far away from the upper mold, is fixedly provided with a limit screw, and two ends of the upper mold are fixedly provided with fixed blocks. This can automatic ejecting plastics mould plastics with two injection gates device of moulding plastics, inject through two injection head intermittence, and when one side was injected, it was ejecting to mould plastics the goods that the completion was moulded plastics to the opposite side automatically, make things convenient for next time to mould plastics more, very big improvement the work efficiency of injection molding machine, and when injecting, plastic products promotes the inside motion of bed die, it is more even under the effect of power between mould and the bed die to make, the inside bubble of goods has been reduced, the inside residual stress of goods has been reduced simultaneously, the final quality of plastic products has been improved greatly.

Description

Double-injection-port injection molding device capable of automatically ejecting plastic

Technical Field

The invention relates to the technical field of plastic injection molding equipment, in particular to a double-injection-port injection molding device capable of automatically ejecting plastic.

Background

The injection moulding is a main moulding method of plastics, and is characterized by high production efficiency, strong processing applicability to various plastics, capability of moulding plastic products with complex shape and accurate size, and wide application field.

However, the conventional injection molding device usually has only one injection mechanism, and only one set of injection mold can be installed inside the injection molding device, so that only one set of plastic products can be completed in the same time, the work efficiency is not high, meanwhile, because the fluidity of the plastic is not high, the plastic injection is not uniform, bubbles are easily generated inside the plastic, the processed product is easy to retain residual stress, and finally the quality of the plastic products is poor, so that the double-injection-port injection molding device capable of automatically ejecting the plastic is provided for injection molding to solve the problems.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the double-injection-port injection molding device for plastic injection molding, which can automatically eject, has the advantages of high working efficiency, uniform injection and stable quality, and solves the problems of low working efficiency, nonuniform injection and poor quality.

(II) technical scheme

In order to realize the purposes of high working efficiency, uniform injection and stable quality, the invention provides the following technical scheme: a double-injection-port injection molding device capable of automatically ejecting plastic comprises an upper mold, a sliding rod is connected in the upper mold in a sliding way, a return spring is sleeved on the outer side of the slide rod, a limit screw is fixedly arranged at one end of the return spring far away from the upper die, fixed blocks are fixedly arranged at two ends of the upper die, a telescopic rod is fixedly arranged at the inner side of each fixed block, a fixed seat is fixedly arranged inside the sliding rod, a mounting block is fixedly arranged at the bottom of the fixed seat, the front surface of the mounting block is rotatably connected with an adjusting block, the front surface of the adjusting block is fixedly provided with a tension spring, the inner side of the adjusting block is connected with a pulley in a sliding way, one end of the pulley far away from the adjusting block is fixedly provided with a V-shaped rod, one end, far away from the pulley, of the V-shaped rod is fixedly provided with a lower die, an injection hole is formed in the upper die, and an injection head is arranged on one side, close to the injection hole, of the upper die.

Preferably, the upper die and the slide bar are both provided with two parts with the same specification, wherein the upper die is positioned on the left side and the right side, and the slide bar is positioned on the upper side and the lower side of the upper die and is in sliding connection with the upper die.

Preferably, reset spring and stop screw all are provided with four and the specification is the same, and symmetric distribution is in the both ends of slide bar, and wherein reset spring cup joints in the outside of slide bar, one end and last mould fixed connection, the other end and stop screw fixed connection.

Preferably, the fixed block is provided with four and the specification is the same altogether, and symmetric distribution is in the both ends of last mould, and the telescopic link is provided with two altogether, with two fixed block one side fixed connection of equidirectional to the telescopic link both ends are flexible part.

Preferably, the regulating block is provided with two and the specification is the same altogether, and the shape is L shape, is located the inside of fixing base to under initial condition, two shorter one sides mutual adaptations, extension spring and two positive top fixed connection of regulating block.

Preferably, the pulley, the V-shaped rod and the lower die are all provided with two and have the same specification, wherein the pulley is connected with the inner side of the adjusting block in a sliding mode, the other end of the V-shaped rod is fixedly connected with the lower die, and the size of the lower die is the same as the distance between the two sliding rods and is connected with the sliding rods in a sliding mode.

Preferably, the injection hole is trapezoidal and has a smaller size near one side of the lower mold, and the injection head is fitted with the injection hole.

(III) advantageous effects

Compared with the prior art, the invention provides the double-injection-port injection molding device for plastic injection molding, which can automatically eject, and has the following beneficial effects:

this can automatic ejecting plastics mould plastics with two injection gates device of moulding plastics, inject through two injection head intermittence, and when one side was injected, it was ejecting to mould plastics the goods that the completion was moulded plastics to the opposite side automatically, make things convenient for next time to mould plastics more, very big improvement the work efficiency of injection molding machine, and when injecting, plastic products promotes the inside motion of bed die, it is more even under the effect of power between mould and the bed die to make, the inside bubble of goods has been reduced, the inside residual stress of goods has been reduced simultaneously, the final quality of plastic products has been improved greatly.

Drawings

FIG. 1 is a front view of the connection of the various structures of the present invention;

FIG. 2 is a schematic view of the structural connection of the tension spring, the pulley, the V-shaped rod and the adjusting block of the invention;

fig. 3 is a schematic diagram of the motion trajectory of each structure in fig. 2 according to the present invention.

In the figure: 1. an upper die; 2. a slide bar; 3. a return spring; 4. a limit screw; 5. a fixed block; 6. a telescopic rod; 7. a fixed seat; 8. mounting blocks; 9. an adjusting block; 10. a tension spring; 11. a pulley; 12. a V-shaped rod; 13. a lower die; 14. an injection hole; 15. an injection head.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, a dual injection port injection molding device for plastic injection molding capable of automatically ejecting comprises an upper mold 1, a slide rod 2 slidably connected inside the upper mold 1, two slide rods 2 of the same size and arranged on the upper mold 1, wherein the upper die 1 is positioned at the left side and the right side, the slide bars 2 are positioned at the upper side and the lower side of the upper die 1 and are connected with the upper die 1 in a sliding way, the outer sides of the slide bars 2 are sleeved with the reset springs 3, one ends of the reset springs 3 far away from the upper die 1 are fixedly provided with the limit screws 4, both ends of the upper die 1 are fixedly provided with the fixed blocks 5, the inner sides of the fixed blocks 5 are fixedly provided with the telescopic rods 6, the fixed blocks 5 are totally provided with four parts, the two telescopic rods 6 are symmetrically distributed at two ends of the upper die 1 and fixedly connected with one sides of the two fixing blocks 5 in the same direction, and the two ends of each telescopic rod 6 are telescopic parts;

the fixed seat 7 is fixedly arranged in the sliding rod 2, the mounting block 8 is fixedly arranged at the bottom of the fixed seat 7, the front of the mounting block 8 is rotatably connected with the adjusting block 9, the tension spring 10 is fixedly arranged at the front of the adjusting block 9, the adjusting block 9 is provided with two adjusting blocks which are same in specification and L-shaped, the adjusting blocks are positioned in the fixed seat 7, in an initial state, two shorter sides are mutually matched, the tension spring 10 is fixedly connected with the front tops of the two adjusting blocks 9, the two adjusting blocks are intermittently injected through the two injection heads 15, when one side is injected, a product which is injected and finished at the other side is automatically ejected, the next injection molding is more convenient, the working efficiency of the injection molding machine is greatly improved, in addition, the plastic product pushes the lower mold 13 to move inwards, the product between the upper mold 1 and the lower mold 13 is more uniform under the action of force, and bubbles in, meanwhile, the residual stress in the product is reduced, and the final quality of the plastic product is greatly improved;

the inboard sliding connection of regulating block 9 has pulley 11, pulley 11 keeps away from the one end fixed mounting of regulating block 9 has V-arrangement pole 12, the one end fixed mounting that pulley 11 was kept away from to V-arrangement pole 12 has lower mould 13, pulley 11, V-arrangement pole 12 and lower mould 13 all are provided with two and the specification is the same, wherein pulley 11 and regulating block 9's inboard sliding connection, the V-arrangement pole 12 other end and lower mould 13 fixed connection, the size of lower mould 13 is the same with the distance between two slide bars 2, with slide bar 2 sliding connection, injection hole 14 has been seted up to the inside of upper mould 1, one side that upper mould 1 is close to injection hole 14 is provided with injection head 15, injection hole 14 trapezoidal form, and one side size that is close to lower mould 13 is less, injection head 15 and injection hole 14 looks adaptation.

The working principle is that when plastic is injected, plasticized plastic enters between an upper die 1 and a lower die 13 through an injection hole 14 at a certain speed through an injection head 15, the lower die 13 is the same as the distance between two slide bars 2 and is connected with the slide bars 2 in a sliding manner, the slide bars 2 are positioned at the upper side and the lower side of the upper die 1, when the plastic is contacted with the lower die 13, the plastic continues to be injected, the plastic pushes the lower die 13 to move inwards, the other side of the lower die 13 is fixedly connected with a V-shaped rod 12, the other end of the V-shaped rod 12 is fixedly connected with a pulley 11, the pulley 11 is connected with the inner side of an adjusting block 9 in a sliding manner, two shorter sides of the adjusting block 9 are mutually matched in an initial state, a tension spring 10 is fixedly connected with the tops of the front sides of the two adjusting blocks 9, namely, the lower die moves inwards to drive the V-shaped rod 12 and the pulley 11 to synchronously move inwards, when the injection is carried out until the lower die 13 is contacted with the fixed seat 7, namely when the injection is finished, the two adjusting blocks 9 are separated at the moment, the adjusting block 9 on the other side is driven to move rightwards under the action of the tension spring 10, and the lower die 13 on the right side is synchronously driven to move rightwards;

meanwhile, the injection head 15 on the other side is preparing plasticized plastic, after a left-side product is cooled and molded, the injection head 15 on the right side is used for injection, the principle is the same as the principle, the process is opposite, the lower die 13 on the right side moves to the left side at the moment, and when the injection is completed, the lower die 13 on the left side moves to the left side, so that the molded product is ejected out, uninterrupted bidirectional injection molding is realized, and the working efficiency of the injection molding machine is greatly improved.

To sum up, this can automatic ejecting plastics mould plastics with two injection gates injection moulding device, inject through two injection head 15 intermittence, and when one side was injected, it was ejecting to mould plastics the goods that the completion was moulded plastics to the opposite side automatically, make things convenient for next time to mould plastics more, very big improvement the work efficiency of injection molding machine, and when injecting, plastic products promoted the inside motion of bed die 13, it is more even under the effect of power to make the goods between bed die 1 and the bed die 13, the inside bubble of goods has been reduced, the inside residual stress of goods has been reduced simultaneously, the final quality of plastic products has been improved greatly.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a plastics that can be ejecting automatically are moulded plastics and are moulded plastics device with two injection gates, includes mould (1), its characterized in that: the inner sliding connection of the upper die (1) is provided with a sliding rod (2), the outer side of the sliding rod (2) is sleeved with a reset spring (3), one end of the reset spring (3) far away from the upper die (1) is fixedly provided with a limit screw (4), two ends of the upper die (1) are fixedly provided with fixed blocks (5), the inner side of each fixed block (5) is fixedly provided with a telescopic rod (6), the inner part of the sliding rod (2) is fixedly provided with a fixed seat (7), the bottom of the fixed seat (7) is fixedly provided with a mounting block (8), the front of the mounting block (8) is rotatably connected with an adjusting block (9), the front of the adjusting block (9) is fixedly provided with a tension spring (10), the inner side of the adjusting block (9) is slidably connected with a pulley (11), one end of the pulley (11) far away from the adjusting block (9), one end, far away from the pulley (11), of the V-shaped rod (12) is fixedly provided with a lower die (13), an injection hole (14) is formed in the upper die (1), and an injection head (15) is arranged on one side, close to the injection hole (14), of the upper die (1).

2. The dual injection port injection molding apparatus for plastic injection molding with automatic ejection according to claim 1, wherein: the upper die (1) and the sliding rods (2) are both provided with two parts and have the same specification, the upper die (1) is located on the left side and the right side, and the sliding rods (2) are located on the upper side and the lower side of the upper die (1) and are connected with the upper die (1) in a sliding mode.

3. The dual injection port injection molding apparatus for plastic injection molding with automatic ejection according to claim 1, wherein: reset spring (3) and stop screw (4) all are provided with four and the specification is the same, and symmetric distribution is in the both ends of slide bar (2), and wherein reset spring (3) cup joints in the outside of slide bar (2), one end and last mould (1) fixed connection, the other end and stop screw (4) fixed connection.

4. The dual injection port injection molding apparatus for plastic injection molding with automatic ejection according to claim 1, wherein: the fixed block (5) is provided with four and the specification is the same altogether, and symmetric distribution is in the both ends of last mould (1), and telescopic link (6) are provided with two altogether, with two fixed block (5) one side fixed connection of equidirectional to telescopic link (6) both ends are flexible part.

5. The dual injection port injection molding apparatus for plastic injection molding with automatic ejection according to claim 1, wherein: adjusting block (9) are provided with two altogether and the specification is the same, and the shape is L shape, is located the inside of fixing base (7) to under initial condition, two shorter one sides mutual adaptations, extension spring (10) and the positive top fixed connection of two adjusting block (9).

6. The dual injection port injection molding apparatus for plastic injection molding with automatic ejection according to claim 1, wherein: pulley (11), V-arrangement pole (12) and bed die (13) all are provided with two and the specification is the same, wherein pulley (11) and the inboard sliding connection of regulating block (9), and V-arrangement pole (12) other end and bed die (13) fixed connection, the size of bed die (13) and the distance between two slide bars (2) is the same, with slide bar (2) sliding connection.

7. The dual injection port injection molding apparatus for plastic injection molding with automatic ejection according to claim 1, wherein: the injection hole (14) is trapezoidal, the size of one side close to the lower die (13) is small, and the injection head (15) is matched with the injection hole (14).