CN211467219U

CN211467219U - Circulating injection molding injection mold

Info

Publication number: CN211467219U
Application number: CN201922060864.3U
Authority: CN
Inventors: 艾伟
Original assignee: Hangzhou Chengmeng Asset Management Co ltd
Current assignee: Dongguan xunkai Electronic Technology Co.,Ltd.
Priority date: 2019-11-26
Filing date: 2019-11-26
Publication date: 2020-09-11
Anticipated expiration: 2029-11-26

Abstract

The utility model discloses a circulating injection molding injection mold, including fixing the lower mould on the bottom plate, the last lateral wall of bottom plate is fixed with the limiting plate that two symmetries set up in the lower mould outside, every all insert on the limiting plate and be equipped with push pedal one and push pedal two that are the setting of U type, the one end of push pedal one and push pedal two is located the downside of bottom plate, and the tip of push pedal one is located the upside of push pedal two, be equipped with the motor between the tip of push pedal one and push pedal two, be fixed with the connecting rod between the outer wall of motor and the lower lateral wall of bottom plate, the drive end of motor is fixed with incomplete gear. The utility model discloses a reciprocating motion of push pedal one and push pedal two and with the lower mould contact striking, form vibrations with higher speed not hard up between work piece and the lower mould, the drawing of patterns with higher speed to through the flow adsorption heat of rivers, the work piece is stereotyped with higher speed.

Description

Circulating injection molding injection mold

Technical Field

The utility model relates to the technical field of mold, especially, relate to a circulating injection molding injection mold.

Background

The mould is various moulds and tools for obtaining required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production.

Through the retrieval, the grant bulletin number CN209599738U discloses a circulating injection molding injection mold, which comprises a frame, frame upper end fixed surface installs track and stand, and the track is located the stand inboard, stand top fixed mounting has the entablature, the pneumatic cylinder is installed to entablature upper end one side screw, the pneumatic cylinder output links up the piston rod, the one end that the pneumatic cylinder output was kept away from to the piston rod runs through the entablature and the welding has the roof. Although the double-mold circular injection molding mode is realized, the problem that the double molds are inconvenient for subsequent demolding exists, and the manufacturing efficiency of workpieces is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem in the background art and providing a circulating injection molding injection mold.

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

the utility model provides a circulating injection molding injection mold, is including fixing the lower mould on the bottom plate, the last lateral wall of bottom plate is fixed with the limiting plate that two symmetries set up in the lower mould outside, every all insert on the limiting plate and be equipped with push pedal one and push pedal two that are the setting of U type, the one end of push pedal one and push pedal two is located the downside of bottom plate, and the tip of push pedal one is located the upside of push pedal two, be equipped with the motor between the tip of push pedal one and push pedal two, be fixed with the connecting rod between the outer wall of motor and the lower lateral wall of bottom plate, the drive end of motor is fixed with incomplete gear, one side that push pedal one and push pedal two are close to incomplete gear is equipped with the sawtooth with incomplete gear engaged with, be fixed with expanding spring between the inner wall of push pedal.

Preferably, steel knocking balls are fixed at one ends of the first push plate and the second push plate close to the lower die.

Preferably, the hitting balls are arranged in an arc shape, and the cross section of one side of each hitting ball far away from the lower die is larger.

Preferably, the lower side wall of the end part of the first push plate and the upper side wall of the end part of the second push plate are both fixed with pull plates, the lower side of the bottom plate is provided with two piston tubes, each piston tube is internally provided with a piston in a sliding manner, and a fixing rod is fixedly connected between each of the two pull plates and one of the pistons.

Preferably, a cooling pipe is fixed on the outer wall of the lower die, and water flow is arranged in the cooling pipe.

Preferably, the cooling pipe is a multi-segment and continuous bent pipe.

Compared with the prior art, this circulating injection molding injection mold's advantage lies in:

1. the intermittent contact and impact of the two end parts of the first push plate and the second push plate with the outer wall of the lower die are realized through the rotation of the incomplete gear and the intermittent meshing of the first push plate and the second push plate, the contact part of the workpiece and the inner wall of the lower die is loosened through the vibration formed by the impact, and the demolding is accelerated;

2. when the first push plate moves towards the inner side, the pull plate connected with the second push plate moves towards the inner side to push water flow to move back, so that the water flow flows back and forth, heat on the lower die is conducted out through the flow of the water flow, and the shaping of a workpiece is accelerated;

to sum up, the utility model discloses a reciprocating motion of push pedal one and push pedal two and with the lower mould contact striking, form vibrations and accelerate not hard up between work piece and the lower mould, the drawing of patterns with higher speed to through the flow adsorption heat of rivers, the work piece is stereotyped with higher speed.

Drawings

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

fig. 2 is a partial front view of a recycling injection molding injection mold according to the present invention.

In the figure: the knocking ball comprises a base plate 1, a lower die 2, a limiting plate 3, a first push plate 4, a telescopic spring 5, a connecting rod 6, a motor 7, an incomplete gear 8, a cooling pipe 9, a piston pipe 10, a piston 11, a pulling plate 12, a fixed rod 13 and a knocking ball 14.

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.

Referring to fig. 1-2, a circulating injection molding piece injection mold comprises a lower mold 2 fixed on a bottom plate 1, two limiting plates 3 symmetrically arranged on the outer side of the lower mold 2 are fixed on the upper side wall of the bottom plate 1, a first push plate 4 and a second push plate arranged in a U shape are inserted on each limiting plate 3, one ends of the first push plate 4 and the second push plate are positioned on the lower side of the bottom plate 1, the end part of the first push plate 4 is positioned on the upper side of the second push plate, a motor 7 is arranged between the end parts of the first push plate 4 and the second push plate, a connecting rod 6 is fixed between the outer wall of the motor 7 and the lower side wall of the bottom plate 1, an incomplete gear 8 is fixed at the driving end of the motor 7, sawteeth meshed with the incomplete gear 8 are arranged on one sides of the first push plate 4 and the second push plate close to the incomplete gear 8, a telescopic spring 5 is fixed between the inner wall of the first push plate 4 and the outer side, the knocking ball 14 is arranged in an arc shape, the cross section of one side of the knocking ball 14, which is far away from the lower die 2, is larger, the area of one side, which is in contact with the lower die 2, of the knocking ball 14 is smaller, the impact force of the unit area is increased, the knocking ball 14 is in contact impact with the lower die 2 to generate vibration on the lower die 2, the separation between a workpiece and a cavity of the lower die 2 is accelerated through vibration, the demoulding is facilitated, the motor 7 drives the incomplete gear 8 to rotate, when the incomplete gear 8 is rotated to be meshed with the sawteeth on the first push plate 4, the first push plate 4 is driven to move inwards to be in contact with the outer wall of the lower die 2 to impact the lower die 2, when the incomplete gear 8 is rotated to be meshed with the sawteeth on the second push plate, the first push plate 4 moves backwards under the elastic force of the expansion spring 5, the end part of the second push plate is in contact with the outer wall of the lower, and (5) accelerating demoulding.

A pulling plate 12 is fixed on the lower side wall of the end part of the first push plate 4 and the upper side wall of the end part of the second push plate, two piston tubes 10 are arranged on the lower side of the bottom plate 1, a piston 11 slides in each piston tube 10, a fixed rod 13 is fixedly connected between each pulling plate 12 and one of the pistons 11, a cooling tube 9 is fixed on the outer wall of the lower die 2, water flow is arranged in each cooling tube 9, each cooling tube 9 is a multi-section continuous bent tube, the water flow is arranged, the heat on the lower die 2 is absorbed and guided out through the flow of the water flow, the forming of the lower die 2 is accelerated, when the first push plate 4 moves towards the inner side, the pulling plates 12 push the pistons 11 to move towards the inner side to push the water flow in the cooling tubes 9, when the second push plate moves, under the elastic force of the telescopic springs 5, the first push plate 4 moves back to drive the pulling plates 12 connected with the first push plate 4 to move towards the outer side, and, promote rivers and move back, and then realize the reciprocating flow of rivers, derive the heat on lower mould 2 through the flow of rivers, the design of work piece with higher speed.

Further, unless otherwise specifically stated or limited, the above-described fixed connection is to be understood in a broad sense, and may be, for example, welded, glued, or integrally formed as is conventional in the art.

Now, the operation principle of the present invention is explained as follows:

the end parts of two piston tubes 10 are respectively connected with the two ends of a cooling tube 9, after a workpiece is extruded in a lower die 2, a starting motor 7 drives an incomplete gear 8 to rotate, when the incomplete gear 8 is rotated to be engaged with the sawteeth on a first push plate 4, the first push plate 4 is driven to move inwards to be contacted with the outer wall of the lower die 2 to impact the lower die 2, meanwhile, a piston 11 is driven to move inwards through a pull plate 12 to drive water flow to move in the cooling tube 9, when the incomplete gear 8 is rotated to be engaged with the sawteeth on a second push plate, the first push plate 4 moves back under the elastic force of a telescopic spring 5, the pull plate 12 connected with the first push plate 4 is driven to move outwards at the same time, the pull plate 12 connected with the second push plate moves inwards to drive the water flow to move back, and then the two hitting balls 14 are intermittently contacted and impacted with the outer wall of the lower die 2 through the continuous rotation, the contact surface of the workpiece and the inner wall of the lower die 2 is loosened, and the demoulding is accelerated.

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 circulating injection molding injection mold, includes lower mould (2) of fixing on bottom plate (1), its characterized in that, the last lateral wall of bottom plate (1) is fixed with two symmetries and sets up limiting plate (3) in the lower mould (2) outside, every all insert on limiting plate (3) and be push pedal one (4) and push pedal two that the U type set up, the one end of push pedal one (4) and push pedal two is located the downside of bottom plate (1), and the tip of push pedal one (4) is located the upside of push pedal two, be equipped with motor (7) between the tip of push pedal one (4) and push pedal two, be fixed with connecting rod (6) between the outer wall of motor (7) and the lower lateral wall of bottom plate (1), the drive end of motor (7) is fixed with incomplete gear (8), one side that push pedal one (4) and push pedal two are close to incomplete gear (8) is equipped with the sawtooth that meshes mutually with incomplete gear (8), and a telescopic spring (5) is fixed between the inner walls of the first push plate (4) and the second push plate and the outer side wall of the bottom plate (1).

2. An injection mould for injection moulding of recycled parts according to claim 1, characterised in that the striking balls (14) made of steel are fixed at one end of the first push plate (4) and the second push plate close to the lower mould (2).

3. An injection mould for an injection moulding part according to claim 2, characterised in that the striking balls (14) are arranged in an arc shape and the striking balls (14) have a larger cross-section on the side facing away from the lower mould (2).

4. An injection mould for injection moulding of an injection-moulded part in endless form according to claim 1, characterised in that the lower side wall of the first end of the ejector plate (4) and the upper side wall of the second end of the ejector plate are each fixed with a pulling plate (12), that the underside of the base plate (1) is provided with two piston tubes (10), that each piston tube (10) has a piston (11) sliding therein, and that a fixing rod (13) is fixedly connected between each of the two pulling plates (12) and one of the pistons (11).

5. An injection mould for injection moulded parts in endless form according to claim 1, characterised in that cooling tubes (9) are fixed to the outer wall of the lower mould part (2), and that water flows are provided in the cooling tubes (9).

6. An injection mould according to claim 5, characterized in that the cooling pipe (9) is a multi-segment and continuous bend.