CN210415397U

CN210415397U - Structure for realizing graded core pulling in synchronous ejection process

Info

Publication number: CN210415397U
Application number: CN201921295068.1U
Authority: CN
Inventors: 徐飞; 黄坪
Original assignee: Kunshan Berkeley Mould Industry Co Ltd
Current assignee: Kunshan Berkeley Mould Industry Co Ltd
Priority date: 2019-08-12
Filing date: 2019-08-12
Publication date: 2020-04-28
Anticipated expiration: 2029-08-12

Abstract

The utility model relates to the technical field of mold core pulling, in particular to a structure for realizing graded core pulling in the synchronous ejection process, which solves the defects of low production efficiency and high cost in the prior art, and comprises a base and a top plate, wherein the top of the base is fixed with a mold foot through a screw, the top of the mold foot is connected with a lower mold through a bolt, the inner part of the lower mold is provided with a groove, the top of the base is provided with an oil cylinder through a bolt, the inner part of the oil cylinder is provided with a piston rod, the other end of the piston rod is connected with a push plate through a nut bolt, and when the push plate pushes an ejector pin to eject, synchronous core pulling processing in different directions can be realized through transmission between linkage mechanisms, only one oil cylinder is adopted as a driving source, and the manufacturing cost is low, the working efficiency is high, and the device is suitable for popularization and use.

Description

Structure for realizing graded core pulling in synchronous ejection process

Technical Field

The utility model relates to a mould technical field of loosing core especially relates to a synchronous ejecting in-process realizes structure of loosing core in grades.

Background

An injection mold is a tool for producing plastic products; the injection molding is a processing method used for batch production of parts with complex shapes, and particularly relates to a method for injecting heated and molten plastic into a mold cavity from an injection molding machine at high pressure, and obtaining a formed product after cooling and solidification.

The mold opening and core pulling actions of the injection mold are separated, so that the production efficiency of the mold is lower, and when a plurality of core pulling positions exist, the cores need to be pulled one by adopting a plurality of oil cylinders, so that the cost is high, and the processing period is prolonged.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that has low in production efficiency, with high costs among the prior art, and the synchronous ejecting in-process that proposes realizes the structure of loosing core in grades.

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

a structure for realizing graded core pulling in a synchronous ejection process comprises a base and a top plate, wherein a mould foot is fixed at the top of the base through a screw, the top of the mould foot is connected with a lower mould through a bolt, the inner part of the lower mould is provided with a groove, the top of the base is provided with an oil cylinder through a bolt, the inner part of the oil cylinder is provided with a piston rod, the other end of the piston rod is connected with a push plate through a nut bolt, the top of the push plate is respectively fixed with a thimble and a push rod through screws, the top of the push rod is welded with a sliding plate, one side of the sliding plate is provided with a primary core-pulling sliding block in a sliding manner, and one side of the sliding plate is fixed with a connecting plate through a bolt, the other end of the connecting plate is movably hinged with a connecting rod, the other end of the connecting rod is movably hinged with a sliding seat, the sliding seat is arranged on one side of the lower die in a sliding mode, and the end portion of the sliding seat is connected with a secondary core-pulling sliding block through a screw.

Preferably, the bottom of the top plate is connected with an upper die through a screw, the bottom of the upper die is fixed with a male die through a hexagonal screw, and the upper die and the lower die are arranged oppositely.

Preferably, the sliding plate is provided with a T-shaped groove, and the primary core-pulling sliding block is connected with the inside of the T-shaped groove in a sliding manner.

Preferably, a sliding rod is welded at one end of the sliding seat, a guide seat is fixed on one side of the lower die through a screw, a guide hole is formed in the guide seat, and the sliding rod is embedded in the guide hole.

Preferably, the tip and the outside of slide bar are provided with the limiting plate and the curb plate of body structure respectively, and the outside cover of slide bar is equipped with the spring, the both ends of spring respectively through the buckle with one side of guide holder and one side fixed connection of curb plate.

Preferably, the second-stage core-pulling sliding block is arranged to be inclined, and the first-stage core-pulling sliding block and the second-stage core-pulling sliding block are arranged on two sides of the groove.

The utility model has the advantages that:

1. the utility model discloses in through the setting of push pedal, push rod, slide isotructure, the device has designed and has accomplished the action of loosing core automatically at the ejecting in-process of mould die sinking, unites two into one the twice process, has reduced processing cycle widely, makes the production efficiency of mould improve.

2. The utility model discloses in loose core slider, second grade through slide, T type groove, one-level and loose core the setting of slider, connecting rod, sliding seat isotructure, promote the thimble ejecting in the push pedal, through the transmission between the link gear, can realize the not equidirectional synchronous processing of loosing core, only adopt a hydro-cylinder as the driving source, low in manufacturing cost, work efficiency is high, is fit for using widely.

Drawings

Fig. 1 is a schematic front structural view of a structure for realizing graded core pulling in a synchronous ejection process according to the present invention;

fig. 2 is the utility model provides a synchronous ejecting in-process realizes grade number A of the structure of loosing core enlargedly in grades.

In the figure: the die comprises a base 1, a die leg 2, an oil cylinder 3, a piston rod 4, a push plate 5, an ejector pin 6, a push rod 7, a top plate 8, an upper die 9, a lower die 10, a male die 11, a groove 12, a sliding plate 13, a T-shaped groove 14, a core-pulling slider 15 at the first level, a sliding seat 16, a core-pulling slider 17 at the second level, a connecting rod 18, a connecting plate 19, a side plate 20, a sliding rod 21, a spring 22, a guide seat 23, a limiting plate 24 and a.

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 structure for realizing graded core pulling in a synchronous ejection process comprises a base 1 and a top plate 8, wherein a mold foot 2 is fixed at the top of the base 1 through a screw, the top of the mold foot 2 is connected with a lower mold 10 through a bolt, a groove 12 is formed in the lower mold 10, an oil cylinder 3 is installed at the top of the base 1 through a bolt, a piston rod 4 is arranged in the oil cylinder 3, the other end of the piston rod 4 is connected with a push plate 5 through a nut and a bolt, a thimble 6 and a push rod 7 are respectively fixed at the top of the push plate 5 through screws, and through the arrangement of the structures of the push plate 5, the push rod 7, the slide plate 13 and the like, the device is designed to automatically complete core pulling in the mold opening ejection process of a mold, two processes are combined into one, so that the processing period is greatly reduced, the production efficiency of the mold is improved, the slide plate, a connecting plate 19 is fixed on one side of a sliding plate 13 through bolts, a connecting rod 18 is movably hinged on the other end of the connecting plate 19, a sliding seat 16 is movably hinged on the other end of the connecting rod 18, the sliding seat 16 is arranged on one side of a lower die 10 in a sliding manner, a second-stage core-pulling slider 17 is connected with the end part of the sliding seat 16 through a screw, an upper die 9 is connected with the bottom of a top plate 8 through a screw, a male die 11 is fixed on the bottom of the upper die 9 through a hexagonal screw, the upper die 9 and the lower die 10 are oppositely arranged, a T-shaped groove 14 is formed in the sliding plate 13, a first-stage core-pulling slider 15 is connected with the inside of the T-shaped groove 14 in a sliding manner, synchronous core-pulling processing in different directions can be realized through transmission among linkage mechanisms when the ejector pin 6 is pushed out by the push plate 5, only one oil cylinder 3 is, low in manufacturing cost, work efficiency is high, be fit for using widely, slide bar 21 has been welded to the one end of slide holder 16, there is guide holder 23 one side of lower mould 10 through the screw fixation, guiding hole 25 has been seted up to guide holder 23's inside, slide bar 21 imbeds in guiding hole 25's inside, slide bar 21's tip and the outside are provided with limiting plate 24 and the curb plate 20 of a body structure respectively, slide bar 21's outside cover is equipped with spring 22, one side and the one side fixed connection of curb plate 20 of buckle and guide holder 23 are passed through respectively at spring 22's both ends, second grade core pulling slider 17 sets up to the slope form, one-level core pulling slider 15 and second grade core pulling slider 17 set up the.

In the embodiment, when the device is used, when the injection molding of the mold is completed, and a product is formed, the upper mold 9 is opened under the driving of a driving source in the prior art, the upper mold 9 drives the male mold 11 to move upwards at the same time, then the oil cylinder 3 acts, the driving piston rod 4 drives the push plate 5 to slide upwards, the push plate 5 drives the ejector pin 6 to eject upwards, meanwhile, the push plate 5 also drives the push rod 7 to slide upwards, after the push rod 7 slides upwards with the sliding plate 13, because the T-shaped groove 14 is designed to be inclined, the first-stage core-pulling slider 15 can generate rightward displacement, the first-stage core-pulling slider 15 completes the core-pulling action, the connecting plate 19 moves upwards together with the sliding plate 13, one end of the connecting plate 19 drives the connecting rod 18 to rotate, after the connecting rod 18 receives the rotating force, the other end of the connecting rod 18 pulls the sliding seat 16 to slide, the second-stage core-, the spring 22 is compressed under stress, and the product is ejected by the ejector pin 6 to complete demoulding;

further, when the push plate 9 is reset by the action of the oil cylinder 3, the thimble 6, the sliding plate 13, the connecting plate 19 and the connecting rod 18 are reset simultaneously, the sliding seat 16 is reset by sliding under the pushing of the spring 22, and the limit plate 24 limits the reset position of the sliding rod 21.

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 structure for realizing graded core pulling in the synchronous ejection process comprises a base (1) and a top plate (8) and is characterized in that a mold foot (2) is fixed at the top of the base (1) through a screw, the top of the mold foot (2) is connected with a lower mold (10) through a bolt, a groove (12) is formed in the lower mold (10), an oil cylinder (3) is installed at the top of the base (1) through a bolt, a piston rod (4) is arranged in the oil cylinder (3), the other end of the piston rod (4) is connected with a push plate (5) through a nut bolt, a thimble (6) and a push rod (7) are respectively fixed at the top of the push plate (5) through screws, a sliding plate (13) is welded at the top of the push rod (7), a first-level core pulling sliding block (15) is arranged on one side of the sliding plate (13) in a sliding mode, and, the other end of the connecting plate (19) is movably hinged with a connecting rod (18), the other end of the connecting rod (18) is movably hinged with a sliding seat (16), the sliding seat (16) is arranged on one side of the lower die (10) in a sliding mode, and the end portion of the sliding seat (16) is connected with a secondary core-pulling sliding block (17) through a screw.

2. The structure for realizing the graded core pulling in the synchronous ejection process according to claim 1, wherein the bottom of the top plate (8) is connected with an upper die (9) through a screw, the bottom of the upper die (9) is fixed with a male die (11) through a hexagon screw, and the upper die (9) and the lower die (10) are arranged oppositely.

3. The structure for realizing graded core pulling in the synchronous ejection process according to claim 1, wherein a T-shaped groove (14) is formed in the sliding plate (13), and the first-stage core pulling sliding block (15) is in sliding connection with the inside of the T-shaped groove (14).

4. The structure for realizing the graded core pulling in the synchronous ejection process according to claim 1, wherein a sliding rod (21) is welded at one end of the sliding seat (16), a guide seat (23) is fixed at one side of the lower die (10) through a screw, a guide hole (25) is formed in the guide seat (23), and the sliding rod (21) is embedded in the guide hole (25).

5. The structure for realizing the graded core pulling in the synchronous ejection process according to claim 4, wherein a limiting plate (24) and a side plate (20) which are of an integral structure are respectively arranged at the end and the outer side of the sliding rod (21), a spring (22) is sleeved outside the sliding rod (21), and two ends of the spring (22) are respectively fixedly connected with one side of the guide seat (23) and one side of the side plate (20) through buckles.

6. The structure for realizing graded core pulling in the synchronous ejection process according to claim 1, wherein the second-stage core pulling slide block (17) is arranged in an inclined shape, and the first-stage core pulling slide block (15) and the second-stage core pulling slide block (17) are arranged on two sides of the groove (12).