CN218315010U

CN218315010U - Inclined ejection structure for side core pulling of inclined ejection of mold

Info

Publication number: CN218315010U
Application number: CN202222468740.0U
Authority: CN
Inventors: 任晓山; 武子翌; 陈霄; 柯愈武
Original assignee: Yimeite Equipment Wuhan Co ltd
Current assignee: Yimeite Equipment Wuhan Co ltd
Priority date: 2022-09-19
Filing date: 2022-09-19
Publication date: 2023-01-17
Anticipated expiration: 2032-09-19

Abstract

The utility model discloses a slanted ejecting structure for slanted ejecting side core pulling of a mould, which is used for being installed on the mould so as to be convenient for slanted ejecting side core pulling and comprises an ejector pin, the lower end of the ejector pin slides in a spring sleeve in a limiting way, the spring sleeve runs through an ejector plate of the mould and the lower end of the spring sleeve is fixed on a bottom plate of the mould; the upper end of the thimble sequentially penetrates through a movable die bearing plate and a movable die plate of the die and is matched, contacted and connected with the pitched roof insert, the pitched roof insert is provided with an oblique groove structure, and the oblique groove structure of the pitched roof insert is matched and obliquely slidably connected with the convex tongue structure of the pressing plate; and the pressing plate is fixedly connected with a movable template of the mold. When the ejector pin is ejected upwards, the inclined ejection insert slides along the inclined groove to eject and realize lateral demoulding. The utility model discloses well pitched roof mold insert lateral motion stroke is short, and pitched roof mold insert stroke is short, and simple structure realizes the miniaturization of pitched roof spare part, and occupation space is little, and use cost is low.

Description

Inclined ejection structure for side core pulling of inclined ejection of mold

Technical Field

The utility model relates to an injection mold die sinking technical field, especially a push up structure to one side that is used for mould to push up side to one side to loose core.

Background

In the mold design, when characters or patterns exist on the side wall of a product, an inverted buckle is formed, lateral parting and core pulling are needed, two types of side core pulling actions are driven, namely side slider core pulling (figure 1) and ejector plate driven inclined ejector core pulling (figure 2). As shown in fig. 1, the slider core-pulling structure has the following disadvantages: 1) An inclined pry bar 101 needs to be installed on the fixed die 200, which is not beneficial to design; 2) The whole mechanism occupies a large projection area of a parting surface, and is not beneficial to product arrangement of small-product type compact dies; 3) Has no auxiliary balance ejection function to products. As shown in fig. 2, the inclined core pulling structure driven by the ejector plate 203 has the following disadvantages: 1) When the movable mold is opened for the second time, the pitched roof insert 7 can drag the thimble plate 203 to do unnecessary dragging together, and meanwhile, the high-frequency dragging can cause fatigue fracture at the pitched roof connection part; 2) The stroke of the pitched roof insert 7 is synchronous with that of the ejector plate 203, the stroke is too long, and the pitched roof insert 7 is not easy to return;

3) The processing and the installation of the ejector pin plate inclined ejection mechanism are complex, and the use cost is high. The utility model provides an ejector plate driven pushes up structure of loosing core to one side, it has solved the current ejector plate driven problem of loosing core to one side.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide a simple structure, the size is small and exquisite, processing and installation all very simple and convenient be used for oblique top structure of loosing core of mould to solve the problem that proposes in the above-mentioned technical background.

In order to achieve the above object, the present invention provides a method for manufacturing a semiconductor device, comprising:

an inclined ejector structure for inclined ejector side core pulling of a mould is used for being installed on the mould so as to facilitate the inclined ejector side core pulling, and comprises an ejector pin, wherein the lower end of the ejector pin slides in a spring sleeve in a limiting manner, the spring sleeve penetrates through an ejector pin plate of the mould, and the lower end of the spring sleeve is fixed on a bottom plate of the mould;

the upper end of the thimble sequentially penetrates through a movable die bearing plate and a movable die plate of the die and is matched, contacted and connected with the pitched roof insert, the pitched roof insert is provided with an oblique groove structure, and the oblique groove structure of the pitched roof insert is matched and obliquely slidably connected with the convex tongue structure of the pressing plate; and the pressing plate is fixedly connected with a movable template of the mold. When the ejector pin is ejected upwards, the inclined ejection insert slides along the inclined groove to eject and realize lateral demoulding.

In the technical scheme, a thimble buckle is arranged in the spring sleeve, the spring sleeve and the thimble buckle are combined to form an ejection stroke limit distance, one end of the thimble buckle is provided with a second shoulder, a polished rod is arranged below the second shoulder, the polished rod is sleeved with a spring, one end of the spring is abutted against the inner bottom surface of the spring sleeve, and the other end of the spring is abutted against the second shoulder of the thimble buckle; a polish rod below the second shoulder is inserted into the spring to enable the ejector pin to be buckled and axially move up and down under the action of the spring force;

the lower end of the ejector pin penetrates through the spring sleeve to be clamped with the second shoulder of the ejector pin buckle.

In the technical scheme, the lower top end of the ejector pin is provided with the first shoulder, and the first shoulder and the second shoulder are provided with the T-shaped clamping grooves in a clamped connection mode.

In the above technical solution, two sides of the upper half portion of the spring sleeve are upwardly opened with flat directions, so that the second shoulder of the thimble buckle is exposed, and when the mold is in an initial state, the second shoulder of the thimble buckle is pressed down by the thimble fixing plate of the thimble plate for limiting. Initially, the thimble fixing plate is pressed on the thimble buckle, so that the spring at the bottom is in a compressed state, when the thimble fixing plate is ejected upwards, the spring force is released, the thimble is ejected upwards alone, ejecting force acts on the pitched roof insert, the pitched roof insert moves along the inclined groove in the pitched roof insert, and lateral demoulding is realized while a product is ejected.

In the technical scheme, the upper end of the ejector pin is connected with a sliding sleeve fixed on the movable template in a vertically sliding fit mode, and the sliding sleeve plays a role in axial guiding.

In the technical scheme, the front end of the sliding sleeve is in a frustum shape and is correspondingly matched with the pitched roof insert frustum to play a role in guiding when the pitched roof is reset.

Compared with the prior art, the beneficial effects of the utility model are that:

1. simple structure, easy processing and installation, small occupied space and low use cost.

2. The utility model discloses well pitched roof mold insert lateral motion stroke is short, and pitched roof mold insert stroke is short, and simple structure realizes the miniaturization of pitched roof spare part, and occupation space is little, and use cost is low.

Drawings

FIG. 1 is a schematic drawing of a side slider core pulling in the prior art;

FIG. 2 is a schematic diagram of a prior art ejector plate driven inclined ejector core;

FIG. 3 is a schematic structural view of the present invention;

FIG. 4 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 3;

FIG. 5 is a schematic view of the connection between the thimble and the spring housing of the present invention;

fig. 6 is a schematic structural view of the spring housing of the present invention;

fig. 7 is a schematic structural view of the thimble buckle of the present invention;

fig. 8 is a schematic view of the connection between the thimble and the pitched roof insert of the present invention;

fig. 9 is an exploded view of the middle press plate and the pitched roof insert of the present invention;

FIG. 10 is a diagram of the initial state of the mold when the present invention is applied to the mold;

fig. 11 is a first state diagram of the mold opening when the present invention is applied to the mold;

fig. 12 is a second state diagram of the mold opening when the present invention is applied to the mold;

fig. 13 is a third state diagram of the mold opening when the present invention is applied to the mold;

in the figure, 1, a thimble; 2. a spring housing; 21. flat square; 3. a thimble is buckled; 31. a second shoulder; 32. a polish rod; 4. a spring; 5. a fixing plate; 6. a sliding sleeve; 7. a pitched roof insert; 8. pressing a plate; 9. a thimble fixing plate; 10. a thimble base plate; 101. an inclined crowbar; 200. fixing a mold; 201. moving the template; 202. moving the die carrier plate; 203. an ejector plate; 204. a base plate; 205. and (4) a product sprue thimble.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.

It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention in a schematic manner, and the components related to the present invention are only shown in the drawings rather than drawn according to the number, shape and size of the components in actual implementation, and the form, amount and proportion of each component may be changed arbitrarily and the layout of the components may be more complicated.

Referring to fig. 3 to 9, the utility model provides an angle structure for mould angle side is loosed core for install on the mould so that the angle side is loosed core, the mould is the conventional mould in this field, generally contains bottom plate 204, thimble board 203, movable mould carrier plate 202, movable mould board 201 that set gradually etc. be fixed with product runner thimble 205 on the thimble board 203, product runner thimble 205 upper end is passed movable mould carrier plate 202, movable mould board 201 and the corresponding cooperation of product runner.

The utility model discloses an inclined ejector structure comprises an ejector pin 1, the lower end of the ejector pin 1 slides in a spring sleeve 2 in a limiting way, the spring sleeve 2 penetrates through an ejector plate 203 of a mould, and the lower end of the spring sleeve 2 is fixedly arranged on a bottom plate 204 fixed on the mould through a fixing plate 5;

the upper end of the thimble 1 sequentially passes through a movable mould bearing plate 202 and a movable mould plate 201 of the mould and is matched, contacted and connected with the lower end surface of the pitched roof insert 7, the front side and the rear side of the pitched roof insert 7 are respectively provided with an oblique groove structure, the oblique groove structure of the pitched roof insert 7 is matched and obliquely glidingly connected with a convex tongue structure of a pressure plate 8 correspondingly arranged on the front side and the rear side of the pitched roof insert 7, and the pressure plate 8 is used for controlling the pitched roof insert 7 to glidingly slide; each of the pressing plates 8 is fixedly connected with a movable mold plate 201 of the mold. When the thimble 1 is ejected upwards, the inclined ejection insert 7 is ejected along the track of the inclined groove and lateral demoulding is realized.

Referring to fig. 5 to 7, a thimble buckle 3 is arranged in the spring sleeve 2, the spring sleeve 2 and the thimble buckle 3 are combined to form an ejection stroke limit distance, specifically, referring to fig. 7, one end of the thimble buckle 3 is provided with a second shoulder 31, a polish rod 32 is arranged below the second shoulder 31, the polish rod 32 is sleeved with a spring 4, one end of the spring 4 abuts against the inner bottom surface of the spring sleeve 2, and the other end abuts against the lower end surface of the second shoulder 31 of the thimble buckle 3; the polish rod 32 below the second shoulder 31 is inserted into the spring 4 to enable the thimble buckle 3 to move up and down axially under the action of the spring force; the lower end of the thimble 1 passes through the spring sleeve 2 and is clamped with a second shoulder 31 of the thimble buckle 3.

Furthermore, the lower top end of the thimble 1 is a first shoulder, and a T-shaped clamping groove is formed at the position of the first shoulder and the second shoulder 31 in a clamping manner.

Referring to fig. 4 to 6, flat portions 21 are upwardly opened at two sides of the upper half portion of the spring housing 2 to expose the second shoulder 31 of the thimble buckle 3, and in an initial state, the thimble fixing plate 9 is pressed on the second shoulder 31 of the thimble buckle 3, so that the thimble buckle 3 is pressed and limited by the thimble fixing plate 9 of the thimble plate 203. The ejector plate 203 comprises an ejector fixing plate 9 and an ejector base plate 10, and the ejector fixing plate 9 is fixedly connected with the ejector base plate 10. When the mold is started, the thimble fixing plate 9 presses the thimble buckle 3 to enable the spring at the bottom to be in a compressed state, when the thimble fixing plate 9 is ejected upwards, the spring force is released to enable the thimble 1 to be ejected upwards alone to enable ejection force to act on the pitched roof insert 7, the pitched roof insert 7 moves obliquely along an oblique groove in the pitched roof insert 7, and lateral demolding is achieved while products are ejected.

The utility model discloses in, thimble 1's upper end is connected with sliding fit about the sliding sleeve 6 of fixing on movable mould board 201, sliding sleeve 6 plays the axial guide effect.

The utility model discloses in, 6 front ends of sliding sleeve are the frustum shape, with the corresponding cooperation of 7 frustums of pitched roof mold insert, play the guide effect when the pitched roof playback.

The utility model discloses an action principle:

1. referring to fig. 10, at the beginning of the mold, the thimble 1 is in a limited state under the pressing action of the thimble fixing plate 9 of the thimble plate 203, and the slanted ejecting insert 7 is in contact with the upper end surface of the thimble 1;

2. referring to fig. 11, under the action of an external force, the movable mold is opened for the second time (the movable mold plate 201 is separated from the movable mold carrier plate 202), and the pitched roof insert 7 is separated from the upper end surface of the thimble 1;

3. referring to fig. 12, under the action of a push column of an external injection molding machine, an ejector plate 203 is ejected, an ejector pin 1 reaches the limiting top end of a spring sleeve 2 under the action of a spring force, and meanwhile, an ejector pin 1 ejects an inclined ejection insert 7 to slide along an inclined groove, so that a product is ejected upwards, and the product is laterally demoulded;

4. referring to fig. 13, the ejector plate 203 continues to eject, at which time the ejector pin 1 stops ejecting on the limiting function of the spring housing 2, but the product gate ejector pin 205 is connected to the ejector plate 203, and the delayed ejection function is continuously implemented until the ejector plate 203 is limited to eject, and the product is completely ejected.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted", "disposed", "connected", "fixed", "screwed" and the like are to be understood broadly, and may be, for example, a fixed connection, a detachable connection, or an integral body; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate medium, and may be used for communicating the inside of two elements or for interacting with each other, unless otherwise specifically defined, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to the specific circumstances.

The above-mentioned embodiments only express the specific embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.

Claims

1. An inclined ejection structure for die inclined ejection side core pulling is used for being mounted on a die so as to facilitate inclined ejection side core pulling, and is characterized by comprising an ejector pin (1), wherein the lower end of the ejector pin (1) slides in a spring sleeve (2) in a limiting manner, the spring sleeve (2) penetrates through an ejector pin plate (203) of the die, and the lower end of the spring sleeve (2) is fixed on a bottom plate (204) of the die;

the upper end of the thimble (1) sequentially penetrates through a movable mold bearing plate (202) and a movable mold plate (201) of the mold and is matched, contacted and connected with the pitched roof insert (7), the pitched roof insert (7) is provided with an oblique groove structure, the oblique groove structure of the pitched roof insert (7) is matched with the tongue structure of the pressing plate (8) to be in oblique sliding connection, and the pressing plate (8) is fixedly connected with the movable mold plate (201) of the mold.

2. The angle ejection structure for the die angle ejection side loose core according to claim 1, characterized in that a pin buckle (3) is provided in the spring sleeve (2), the spring sleeve (2) and the pin buckle (3) are combined to form an ejection stroke limit, one end of the pin buckle (3) is provided with a second shoulder (31), a polish rod (32) is provided below the second shoulder (31), the polish rod (32) is sleeved with a spring (4), one end of the spring (4) abuts against an inner bottom surface of the spring sleeve (2), and the other end of the spring (4) abuts against the second shoulder (31) of the pin buckle (3); a polish rod (32) below the second shoulder (31) is inserted into the spring (4) to enable the thimble buckle (3) to axially move up and down under the action of spring force;

the lower end of the thimble (1) penetrates through the spring sleeve (2) to be clamped with a second shoulder (31) of the thimble buckle (3).

3. The angle ejector structure for the core pulling at the angle ejector side of the mold according to claim 2, wherein the lower top end of the ejector pin (1) is a first shoulder, and a T-shaped clamping groove is formed at the position of the first shoulder and the second shoulder (31) in a clamping manner.

4. The structure of claim 2, wherein flat portions (21) are formed in two sides of the upper half portion of the spring sleeve (2) upward to expose the second shoulder (31) of the ejector pin buckle (3), and when the mold is in an initial state, the second shoulder (31) of the ejector pin buckle (3) is pressed down by the ejector pin fixing plate (9) of the ejector pin plate (203) for limiting.

5. The angle lifter structure for the core pulling at the angle lifter side of the mold according to claim 1, wherein the upper end of the ejector pin (1) is connected with a sliding sleeve (6) fixed on the movable mold plate (201) in a vertically sliding fit manner, and the sliding sleeve (6) plays a role in axial guiding.

6. The pitched roof structure for core pulling at the pitched roof side of the mold according to claim 5, wherein the front end of the sliding sleeve (6) is in a frustum shape, and is correspondingly matched with the frustum of the pitched roof insert (7) to play a role in guiding the pitched roof during returning.