CN214726167U

CN214726167U - Injection mold with lifter mechanism

Info

Publication number: CN214726167U
Application number: CN202120825805.5U
Authority: CN
Inventors: 戈见光
Original assignee: Dongguan Anpute Two Color Molding Technology Co ltd
Current assignee: Dongguan Anpute Two Color Molding Technology Co ltd
Priority date: 2021-04-22
Filing date: 2021-04-22
Publication date: 2021-11-16
Anticipated expiration: 2031-04-22

Abstract

The utility model relates to an injection mold technical field specifically is an injection mold with push up mechanism to one side, be provided with the movable mould directly over the cover half, and the upside of cover half has seted up the die cavity, the inside of movable mould is located central point and puts the department and has seted up the sprue gate, and the inside of movable mould is located the both sides position department symmetry of sprue gate and has seted up two exhaust passages, two roof spouts have been seted up to the both ends symmetry of die cavity. The utility model relates to a novelty, the structure is ingenious, promotes the catch bar through driving actuating cylinder and shifts up, and the catch bar promotes two sliding shafts and shifts up, and two sliding shafts promote two fixed plates respectively and two take off the material roof and stretch into the die cavity inboard, with the ejecting die cavity of product after the shaping at once, realize the rapid demoulding, prevent that the finished product card is inboard at the die cavity, can cushion thrust through buffer spring, prevent that two take off the material roof and pop out in the twinkling of an eye and cause the impact to the finished product to lead to the product to damage.

Description

Injection mold with lifter mechanism

Technical Field

The utility model relates to an injection mold technical field specifically is an injection mold with push up mechanism to one side.

Background

Injection molding is a method for producing a model of an industrial product, and the product is generally produced by using rubber injection molding and plastic injection molding, and the injection molding can be divided into injection molding press molding and die casting. An injection molding machine (injection machine or injection molding machine for short) is a main molding device for making thermoplastic plastics or thermosetting materials into plastic products with various shapes by using a plastic molding die, and the injection molding is realized by the injection molding machine and the die

The plastic industry is one of the fastest growing industrial doors in the world today, and plastic needs to be processed through an injection molding process during production, wherein the injection molding process refers to a process for manufacturing a semi-finished product with a certain shape from a molten raw material through operations of pressurization, injection, cooling, separation and the like, and an injection mold is needed in the injection molding process. An injection mold is a tool for producing plastic products; and is also a tool for giving the plastic product complete structure and accurate dimension. Injection molding is a process used to mass produce parts of some complex shapes. Specifically, the plastic melted by heating is injected into a mold cavity from an injection molding machine at high pressure, and a formed product is obtained after cooling and solidification. The structure of the mold may vary widely depending on the type and properties of the plastic, the shape and structure of the plastic product, and the type of injection machine, but the basic structure is consistent. The mold mainly comprises a pouring system, a temperature adjusting system, a forming part and a structural part. Where the runner system and the molded part are the parts in direct contact with the plastic and vary with the plastic and the article, the most complex and variable part in the mold that requires the highest finish and precision of the finish.

However, the existing injection mold does not usually have a material-removing inclined ejection mechanism, and when some products with complicated shapes are injected, for example, the products are slender and soft, and have a buckle structure locally, smooth material removal is difficult to realize, so that the finished products are clamped on the inner side of a mold cavity, thereby affecting the processing efficiency, easily damaging the finished products, improving the defective rate and causing economic loss for enterprises. Accordingly, those skilled in the art have provided an injection mold with a lifter mechanism to solve the problems set forth in the background art described above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an injection mold with push up mechanism to one side to solve the problem that proposes among the above-mentioned background art.

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

an injection mold with an inclined ejection mechanism comprises a fixed mold, wherein a movable mold is arranged right above the fixed mold, a mold cavity is formed in the upper side of the fixed mold, a pouring gate is formed in the position, located at the center, of the inner portion of the movable mold, two exhaust passages are symmetrically formed in the positions, located at the two sides of the pouring gate, of the inner portion of the movable mold, two top plate sliding grooves are symmetrically formed in the two ends of the mold cavity, stripping top plates are respectively and slidably connected to the inner sides of the two top plate sliding grooves, fixed plates extending into the fixed mold are fixed to the bottom ends of the two stripping top plates, telescopic plates are respectively and slidably inserted into the inner sides of the two fixed plates, two sliding shaft connecting plates are respectively and symmetrically fixed to the positions, located at the two ends, of the two telescopic plates, sliding shafts are respectively and rotatably connected between the two sliding shaft connecting plates located at one side, and a driving cylinder is installed at the position, located at the center, of the inner bottom end of the fixed mold, the telescopic end of the driving cylinder is fixed with a pushing plate, the positions of the two ends of the inner part of the pushing plate are provided with sliding grooves, and the sliding shafts are respectively connected with the inner sides of the two sliding grooves in a sliding mode.

As a further aspect of the present invention: the inside of slurcam is located and drives actuating cylinder outer edge position department and runs through sliding connection and have four guide bars that are the rectangle and arrange, four the both ends of guide bar are equallyd divide and are do not fixed mutually with the inside upper and lower both ends of cover half.

As a further aspect of the present invention: the other side of two expansion plates is connected with two buffer springs at equal intervals, and the other ends of the four buffer springs are respectively connected with one side of the inner part of the two fixed plates.

As a further aspect of the present invention: four mold guide rods which are arranged in a rectangular shape are fixed at the positions, located at the four corners, of the upper side of the fixed mold, and the four mold guide rods are all slidably inserted into the movable mold.

As a further aspect of the present invention: one side of cover half and movable mould is located both ends position department equal symmetry and is fixed with two mounting panels, four five mounting holes have been seted up to the equal interval in inside of mounting panel.

As a further aspect of the present invention: two take off the inside looks adaptation of material roof and two roof spouts, and two take off the thickness of material roof and be 5 millimeters.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a novelty, the structure is ingenious, promotes the catch bar through driving actuating cylinder and shifts up, and the catch bar promotes two sliding shafts and shifts up, and two sliding shafts promote two fixed plates respectively and two take off the material roof and stretch into the die cavity inboard, with the ejecting die cavity of product after the shaping at once, realize the rapid demoulding, prevent that the finished product card is inboard at the die cavity, can cushion thrust through buffer spring, prevent that two take off the material roof and pop out in the twinkling of an eye and cause the impact to the finished product to lead to the product to damage.

Drawings

FIG. 1 is a schematic structural view of an injection mold with a lifter mechanism;

FIG. 2 is a schematic cross-sectional view of an injection mold with a lifter mechanism;

FIG. 3 is an enlarged schematic view of the injection mold with the lifter mechanism at A in FIG. 2;

fig. 4 is a schematic structural diagram of the inside of a fixing plate in an injection mold with a lifter mechanism.

In the figure: 1. fixing a mold; 2. moving the mold; 3. a mold cavity; 4. a material stripping top plate; 5. a pouring gate; 6. an exhaust passage; 7. a fixing plate; 8. a retractable plate; 9. a slide shaft connecting plate; 10. a sliding shaft; 11. a driving cylinder; 12. a push plate; 13. a guide bar; 14. a buffer spring; 15. a mold guide; 16. and (7) mounting the plate.

Detailed Description

Referring to fig. 1 to 4, in the embodiment of the present invention, an injection mold with a slanted ejecting mechanism comprises a stationary mold 1, a movable mold 2 is disposed directly above the stationary mold 1, a mold cavity 3 is disposed on the upper side of the stationary mold 1, a sprue gate 5 is disposed in the movable mold 2 at the central position, two exhaust passages 6 are symmetrically disposed in the movable mold 2 at the two sides of the sprue gate 5, two top plate chutes are symmetrically disposed at the two ends of the mold cavity 3, stripping top plates 4 are slidably connected to the inner sides of the two top plate chutes, fixing plates 7 extending into the stationary mold 1 are fixed to the bottom ends of the two stripping top plates 4, expansion plates 8 are slidably inserted into the inner sides of the fixing plates 7, two slide shaft connecting plates 9 are symmetrically fixed to the positions at the two ends of one side of the two expansion plates 8, and a slide shaft 10 is rotatably connected between the two slide shaft connecting plates 9 at one side, the inside bottom of cover half 1 is located central point and puts the department and installs and drive actuating cylinder 11, and the flexible end that drives actuating cylinder 11 is fixed with slurcam 12, and the inside of slurcam 12 is located both ends position department and has all seted up the spout, two sliding shafts 10 respectively with the inboard sliding connection of two spouts.

In fig. 3: the inside of catch plate 12 is located and drives actuating cylinder 11 outer edge position department and runs through sliding connection with four guide bars 13 that are the rectangle and arrange, and both ends are equallyd divide respectively with the inside of cover half 1 about both ends fixed mutually, and guide bar 13 plays the direction stabilizing action, leads catch plate 12, makes catch plate 12 reciprocate along vertical direction, improves its mobility stability.

In fig. 4: the equal interval of opposite side of two expansion plates 8 is connected with two buffer spring 14, and four buffer spring 14's the other end is connected with inside one side of two fixed plates 7 respectively, can cushion thrust through buffer spring 14, prevents that two take off material roof 4 to pop out in the twinkling of an eye and cause the impact to the finished product to lead to the product to damage.

In fig. 1: four mold guide rods 15 which are arranged in a rectangular shape are fixed at the positions, located at the four corners, of the upper side of the fixed mold 1, the four mold guide rods 15 are all inserted into the movable mold 2 in a sliding mode, and the mold guide rods 15 are used for enabling the movable mold 2 to move up and down in the vertical direction to play a role in guiding.

In fig. 1: one side of the fixed die 1 and the movable die 2 is located at two ends and symmetrically fixed with two mounting plates 16, five mounting holes are formed in the four mounting plates 16 at equal intervals, and the mounting plates 16 can be fixed with the injection molding machine integrally through the mounting holes and the fixing bolts in the mounting plates.

In fig. 3: two take off roof board 4 and two roof spout inboard looks adaptations, and two thickness that take off roof board 4 are 5 millimeters, and the roof spout with take off roof board 4 looks adaptations prevents the inside of molten raw materials infiltration cover half, improves product shaping effect.

The utility model discloses a theory of operation is: firstly, a movable die 2 moves towards one side of a fixed die 1 under the driving of an injection molding machine, the movable die 2 and the fixed die 1 are matched, a molten raw material is injected into the inner side of a die cavity 3 through a sprue gate 5, after the molten raw material is molded on the inner side of the die cavity 3, the movable die 2 is separated from the fixed die 1, then the telescopic end of a driving cylinder 11 is controlled to extend out, the telescopic end of the driving cylinder 11 drives a push plate 12 to move upwards, the push plate 12 drives two sliding shafts 10 to move obliquely upwards and reversely through the sliding fit of two sliding chutes and the two sliding shafts 10, the two sliding shafts 10 push the two telescopic plates 8 to move obliquely upwards through a sliding shaft connecting plate 9, the two telescopic plates 8 firstly compress a buffer spring 14, the buffer spring 14 gradually releases the elasticity, the fixed plate 7 and a stripping top plate 4 are pushed to move towards the inner side of the die cavity 3, the two stripping top plates 4 can push out and strip a molded finished product, and effectively prevent the finished product from being clamped on the inner side of the die cavity 3 to cause stripping difficulty, the production efficiency is improved, the buffer spring 14 can buffer the thrust, and the two stripping top plates 4 are prevented from being popped instantly to impact the finished product, so that the product is prevented from being damaged.

The above-mentioned, 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. An injection mold with an inclined ejection mechanism comprises a fixed mold (1) and is characterized in that a movable mold (2) is arranged right above the fixed mold (1), a mold cavity (3) is formed in the upper side of the fixed mold (1), a pouring gate (5) is formed in the position, located at the center, of the interior of the movable mold (2), two exhaust passages (6) are symmetrically formed in the positions, located at the two sides of the pouring gate (5), of the interior of the movable mold (2), two top plate sliding grooves are symmetrically formed in the two ends of the mold cavity (3), stripping top plates (4) are connected to the inner sides of the two top plate sliding grooves in a sliding mode, fixed plates (7) extending into the interior of the fixed mold (1) are fixed to the bottom ends of the two stripping top plates (4), telescopic plates (8) are inserted into the inner sides of the two fixed plates (7) in a sliding mode, two sliding shaft connecting plates (9) are symmetrically fixed to the positions, located at the two ends of one side of the two telescopic plates (8), lie in two of one side all rotate between slide connection board (9) and be connected with slide (10), the inside bottom of cover half (1) is located central point and puts the department and install and drive actuating cylinder (11), the flexible end that drives actuating cylinder (11) is fixed with slurcam (12), the inside of slurcam (12) is located both ends position department and has all seted up the spout, two slide (10) respectively with the inboard sliding connection of two spouts.

2. The injection mold with the inclined top mechanism is characterized in that four guide rods (13) which are arranged in a rectangular shape are connected in a penetrating and sliding mode at the position, located on the outer edge of the driving air cylinder (11), of the inner portion of the pushing plate (12), and two ends of the four guide rods (13) are respectively fixed to the upper end and the lower end of the inner portion of the fixed mold (1).

3. The injection mold with the inclined top mechanism is characterized in that two buffer springs (14) are connected to the other sides of the two telescopic plates (8) at equal intervals, and the other ends of the four buffer springs (14) are respectively connected with one inner side of the two fixed plates (7).

4. An injection mold with an inclined top mechanism according to claim 1, characterized in that four mold guide rods (15) arranged in a rectangular shape are fixed at four corners of the upper side of the fixed mold (1), and the four mold guide rods (15) are all slidably inserted into the movable mold (2).

5. The injection mold with the inclined top mechanism as claimed in claim 1, wherein two mounting plates (16) are symmetrically fixed on one side of the fixed mold (1) and one side of the movable mold (2) at two ends, and five mounting holes are formed in the four mounting plates (16) at equal intervals.

6. The injection mold with the inclined ejection mechanism as claimed in claim 1, wherein the two stripping ejector plates (4) are matched with the inner sides of the two ejector plate chutes, and the thickness of each stripping ejector plate (4) is 5 mm.