CN213082210U

CN213082210U - Injection mold with reduce buckle and glue mould structure

Info

Publication number: CN213082210U
Application number: CN202021331501.5U
Authority: CN
Inventors: 姬永龙
Original assignee: Iv Techmould Suzhou Co ltd
Current assignee: Iv Techmould Suzhou Co ltd
Priority date: 2020-07-09
Filing date: 2020-07-09
Publication date: 2021-04-30
Anticipated expiration: 2030-07-09

Abstract

An injection mold with a structure for reducing mold sticking of a buckle comprises the buckle, a hot runner plate, a female mold core, a male mold plate, a male mold core, an upper ejection plate, a lower ejection plate, a secondary ejection fixing plate and a bottom plate; the male die plate is characterized in that an inclined top seat is arranged in the male die plate, an inclined top guide block is arranged on the inclined top seat, an inclined top is arranged on the inclined top guide block, the lower end part of the inclined top is arranged on the inclined top guide block, the end part of the inclined top extending into the male die core is attached to a buckle, a reinforcing rib is arranged on the end face of the buckle far away from the inclined top, the reinforcing rib and the buckle are arranged in a T shape, and a first chamfer is arranged at the upper end part of the reinforcing rib. Injection mold with reduce buckle and glue mould structure, the back that utilizes this buckle has the muscle position, increases the draft angle as the picture presentation to the direction of muscle position, utilizes the inclined plane this moment product can ensure the buckle of product at this muscle position of ejecting in-process and keep in the die sinking direction and not glue away by the direction of motion and the packing power of pushing up to one side.

Description

Injection mold with reduce buckle and glue mould structure

Technical Field

The utility model belongs to the technical field of advance manufacturing and automation, specifically, relate to an injection mold with reduce buckle and glue mould structure.

Background

The application of buckle is wider in current consumer electronics design, and it is more firm to utilize the design stability of structure to make the product cooperate each other, breaks away from the structure of buckle also be many in current die design, has the oblique top, has the slider, twice ejecting etc.. The process engineering is as follows: the inclined top is used for taking out the product by separating from the back buckle at a certain angle when the product is ejected out. The slide block is opened and driven by the inclined guide post to be separated from the reverse buckle, and a product is taken out. However, the common product has no appearance requirement and can accept the mark line of the inclined top or the sliding block, if the product surface has the requirement, the existing injection mold is not suitable for some buckles with special requirements under the condition that the mark line cannot be left on the product surface or only a small area is available and the buckle forming can be carried out only by using the inclined top.

The buckle forming die with the inclined top is simple in structural design, and low in cost. The mould generally includes roof, front mould, back mould, backing plate, oblique ejector structure, thimble board, extension board and bottom plate in proper order, and oblique ejector structure slope is installed in the back mould, and the top of oblique ejector structure can set up oblique kicking block, sets up the outer knot face of gluing that corresponds with back-off position on the product on the kicking block to one side, and the front mould forms the die cavity of preparation product with back mould and the cooperation of oblique kicking block. When the front mold and the rear mold are opened, the ejector rod or the oil cylinder pushes the ejector plate to move forward and drive the inclined ejector structure to move forward obliquely, the inclined ejector structure and the rear mold move relatively to each other, so that the inclined ejector structure is pushed forward obliquely along a certain angle, after a forward stroke, the outer buckle rubber surface on the inclined ejector block is separated from the upper back buckle of a product, and the product rubber position demoulding and core pulling in the side direction is completed, so that the product can be taken out smoothly.

However, in the process of demoulding the buckle by using the mould in the structure, the problem that the buckle is stuck to the inclined top often exists, so that the buckle is difficult to form, and the yield is low.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model aims at providing an injection mold with reduce buckle and glue mould structure has solved prior art, adopts to push up to one side and carries out the buckle shaping in-process, and the buckle glues the problem of pushing up to one side.

The technical scheme is as follows: the utility model provides an injection mold with reduce buckle and glue mould structure, including buckle, hot runner plate, cavity board, cavity mould benevolence, public template, public mould benevolence, go up liftout plate, lower liftout plate, secondary liftout fixed plate and bottom plate, cavity board, public template, go up liftout plate, lower liftout plate, secondary liftout fixed plate and bottom plate set gradually according to the order from top to bottom, hot runner plate sets up in the upper end of cavity board, the cavity mould benevolence sets up in the lower tip of cavity board, public mould benevolence sets up in the upper end of public template to public mould benevolence is located under the cavity mould benevolence, the cavity mould benevolence and public mould benevolence constitute the shaping cavity of buckle; the male die plate is characterized in that an inclined top seat is arranged in the male die plate, an inclined top guide block is arranged on the inclined top seat, an inclined top is arranged on the inclined top guide block, the lower end part of the inclined top is arranged on the inclined top guide block, the upper end part of the inclined top can penetrate through the male die plate and stretch into the male die core, the end part of the inclined top stretching into the male die core is attached to a buckle, a reinforcing rib is arranged on the end face, far away from the inclined top, of the buckle, the reinforcing rib and the buckle are arranged in a T shape, and a first chamfer is arranged at the upper end part of the reinforcing rib.

Further, foretell injection mold who has and reduce buckle die sticking structure, the buckle includes buckle body and block portion, the buckle body is that the rectangle is flat, the strengthening rib is fixed to be set up on the buckle body, the fixed one end that sets up at the buckle body of block portion to block portion and strengthening rib are located the both sides of buckle body respectively, buckle body and block portion are the setting of hook type.

Furthermore, the aforesaid has the injection mold who reduces buckle sticking structure, the terminal surface that block portion kept away from the buckle body is equipped with oblique angle one.

Furthermore, according to the injection mold with the structure for reducing the sticking of the buckle, an inclined surface is arranged at one end, away from the clamping portion, of the buckle body, and the inclined surface and the clamping portion are located on the same side of the buckle body.

Furthermore, foretell injection mold who has the structure of reducing buckle sticking to the mould, be equipped with a plurality of thimbles once on going up the ejector plate, be equipped with the secondary thimble on the ejecting fixed plate of secondary, the upper end of once thimble and secondary thimble all can pass the product at public template and buckle place and offset.

Further, foretell injection mold who has the structure that reduces buckle sticking mold, the upper end of once thimble offsets with the edge of the product at buckle place, the upper end of secondary thimble offsets with the center of the product at buckle place.

Further, foretell injection mold who has the structure of reducing buckle sticking mold, be equipped with the upper fixed plate on the up end of female die plate, be equipped with the position circle on the up end of upper fixed plate, be equipped with the gum mouth cover on the position circle.

Above-mentioned technical scheme can find out, the utility model discloses following beneficial effect has: injection mold with reduce buckle sticking structure, have following advantage:

1. the back of the buckle is provided with a rib position, the direction of the rib position is increased by a die drawing angle as shown in the figure, and the rib position can ensure that the buckle of the product is kept in the die opening direction and is not adhered away by the movement direction and the wrapping force of the inclined top in the ejection process of the product by utilizing the inclined plane;

2. the further technical proposal also comprises that a large angle and a bevel angle are added at two sides of the buckle at the same time;

3. and on the mold ejection system, a twice ejection mechanism is adopted to assist ejection and fixation of the product.

In conclusion, in a series of mold process optimization, the problem that the plastic product is stuck with the inclined top is solved by opening the mold after the injection molding is finished.

Drawings

FIG. 1 is a schematic view of the overall structure of an injection mold with a structure for reducing the sticking of the fastener to the mold according to the present invention;

FIG. 2 is a schematic structural view of the slanted ejecting part of the injection mold of the present invention;

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

FIG. 4 is a front view of the injection molded product of the present invention;

FIG. 5 is a cross-sectional view taken along line B-B of FIG. 4 in accordance with the present invention;

FIG. 6 is a schematic structural view of the injection molded product and the lifter of the present invention;

FIG. 7 is a schematic structural view of the injection mold with a structure for reducing the sticking of the buckle;

fig. 8 is a schematic structural view of the primary thimble and the secondary thimble when applied.

In the figure: the injection molding device comprises a buckle 1, a reinforcing rib 11, a first chamfer 12, a buckle body 13, a clamping part 14, a first bevel 15, an inclined surface 16, a hot runner plate 2, a female die plate 3, an upper fixing plate 31, a positioning ring 32, a rubber opening sleeve 33, a female die core 4, a male die plate 5, an inclined ejector seat 51, an inclined ejector guide block 52, an inclined ejector 53, a male die core 6, an upper ejector plate 7, a primary ejector 71, a lower ejector plate 8, a secondary ejector fixing plate 9, a secondary ejector 91, a bottom plate 10 and an injection molding product 100.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" 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 to simplify the description, but 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" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

The injection mold with the structure for reducing the mold sticking of the buckle as shown in fig. 1-8 comprises a buckle 1, a hot runner plate 2, a cavity plate 3, a cavity insert 4, a core plate 5, a core insert 6, an upper ejector plate 7, a lower ejector plate 8, a secondary ejector fixing plate 9 and a bottom plate 10, wherein the cavity plate 3, the core plate 5, the upper ejector plate 7, the lower ejector plate 8, the secondary ejector fixing plate 9 and the bottom plate 10 are sequentially arranged from top to bottom, the hot runner plate 2 is arranged in the upper end of the cavity plate 3, the cavity insert 4 is arranged in the lower end of the cavity plate 3, the core insert 6 is arranged in the upper end of the core plate 5, the core insert 6 is positioned right below the cavity insert 4, and the cavity insert 4 and the core insert 6 form a molding cavity of the buckle 1; the utility model discloses a core plate, including core plate 5, top seat 51, be equipped with oblique footstock 51 on the oblique footstock 51, be equipped with oblique top guide block 52 on the oblique top guide block 52, be equipped with oblique top 53 on the oblique top guide block 52, the lower tip setting of oblique top 53 is on oblique top guide block 52 to the upper end of oblique top 53 can pass core plate 5 and stretch into in the core insert 6, tip and the laminating of buckle 1 that the oblique top 53 stretched into in the core insert 6, buckle 1 is equipped with strengthening rib 11 on keeping away from the terminal surface of oblique top 53, strengthening rib 11 and buckle 1 are "T" style of calligraphy setting, and the upper end of strengthening rib 11 is equipped with chamfer one 12.

In addition, buckle 1 includes buckle body 13 and block portion 14, buckle body 13 is the flat-plate-like of rectangle, strengthening rib 11 is fixed to be set up on buckle body 13, block portion 14 is fixed to be set up in the one end of buckle body 13 to block portion 14 and strengthening rib 11 are located the both sides of buckle body 13 respectively, buckle body 13 and block portion 14 are the setting of hook type. The end surface of the clamping part 14 far away from the buckle body 13 is provided with a bevel angle 15. An inclined surface 16 is arranged at one end of the buckle body 13 far away from the clamping part 14, and the inclined surface 16 and the clamping part 14 are positioned at the same side of the buckle body 13. The clasp 1 of this construction has a very high tightening force so as to move with the lifter 53, resulting in the product being impossible to remove. This sticky pentroof problem can be solved by improving and designing the technology to this problem.

In addition, a plurality of primary thimbles 71 are arranged on the upper ejection plate 7, secondary thimbles 91 are arranged on the secondary ejection fixing plate 9, and the upper ends of the primary thimbles 71 and the secondary thimbles 91 can penetrate through the male die plate 5 to abut against a product where the buckle 1 is located. The upper end of the primary thimble 71 abuts against the edge of the product where the buckle 1 is located, and the upper end of the secondary thimble 91 abuts against the center of the product where the buckle 1 is located.

In the injection mold, the upper end face of the female mold plate 3 is provided with the upper fixing plate 31, the upper end face of the upper fixing plate 31 is provided with the positioning ring 32, and the positioning ring 32 is provided with the rubber opening sleeve 33.

In fig. 3, the 1 direction is a snap, the 100 direction area is an appearance mirror requirement (full circle), and the plastic particle adopted is TR90 PA 12.

The injection molding process is described as follows:

1. closing the mold and injecting the product, and opening the mold after molding and pressure maintaining cooling;

2. the ejection plate is driven to move by the hydraulic driving force of the machine table to drive the lifter to be separated from the buckle;

3. taking out the product;

4. and (5) closing the mold to prepare for the next cycle.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications can be made without departing from the principles of the present invention, and these modifications should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides an injection mold with reduce buckle and glue mould structure which characterized in that: comprises a buckle (1), a hot runner plate (2), a female template (3), a female die core (4), a male template (5), a male die core (6), an upper ejection plate (7), a lower ejection plate (8), a secondary ejection fixing plate (9) and a bottom plate (10), the female template (3), the male template (5), the upper ejector plate (7), the lower ejector plate (8), the secondary ejector fixing plate (9) and the bottom plate (10) are sequentially arranged from top to bottom, the hot runner plate (2) is arranged in the upper end part of the female template (3), the female die core (4) is arranged in the lower end part of the female template (3), the male die core (6) is arranged in the upper end part of the male template (5), the male die core (6) is positioned right below the female die core (4), and the female die core (4) and the male die core (6) form a forming cavity of the buckle (1);

wherein, be equipped with oblique footstock (51) in public template (5), be equipped with oblique top guide block (52) on oblique footstock (51), be equipped with oblique top (53) on oblique top guide block (52), the lower tip setting of oblique top (53) is on oblique top guide block (52) to the upper end of oblique top (53) can pass public template (5) and stretch into in public mould benevolence (6), tip and the laminating of buckle (1) in oblique top (53) stretched into public mould benevolence (6), buckle (1) is kept away from and is equipped with strengthening rib (11) on the terminal surface of oblique top (53), strengthening rib (11) and buckle (1) are "T" style of calligraphy setting to the upper end of strengthening rib (11) is equipped with chamfer (12).

2. The injection mold with reduced snap sticking configuration as claimed in claim 1, wherein: buckle (1) is including buckle body (13) and block portion (14), buckle body (13) are the rectangle flat, strengthening rib (11) are fixed to be set up on buckle body (13), the fixed one end that sets up at buckle body (13) in block portion (14) to block portion (14) and strengthening rib (11) are located the both sides of buckle body (13) respectively, buckle body (13) and block portion (14) are the setting of hook type.

3. The injection mold with reduced snap sticking configuration as claimed in claim 2, wherein: the end face, away from the buckle body (13), of the clamping part (14) is provided with a first bevel angle (15).

4. The injection mold with reduced snap sticking configuration as set forth in claim 3, wherein: an inclined surface (16) is arranged at one end, far away from the clamping part (14), of the buckle body (13), and the inclined surface (16) and the clamping part (14) are located on the same side of the buckle body (13).

5. The injection mold with reduced snap sticking configuration as claimed in claim 1, wherein: the upper ejection plate (7) is provided with a plurality of primary ejector pins (71), the secondary ejection fixing plate (9) is provided with secondary ejector pins (91), and the upper end portions of the primary ejector pins (71) and the secondary ejector pins (91) can penetrate through the male template (5) to be abutted against a product where the buckle (1) is located.

6. The injection mold with reduced snap sticking configuration as set forth in claim 5, wherein: the upper end of the primary thimble (71) abuts against the edge of a product where the buckle (1) is located, and the upper end of the secondary thimble (91) abuts against the center of the product where the buckle (1) is located.

7. The injection mold with reduced snap sticking configuration as claimed in claim 1, wherein: an upper fixing plate (31) is arranged on the upper end face of the female die plate (3), a positioning ring (32) is arranged on the upper end face of the upper fixing plate (31), and a rubber opening sleeve (33) is arranged on the positioning ring (32).