CN217993358U - Two-plate bending forming die and resin product - Google Patents

Abstract

The utility model discloses a two-plate bending forming die, which comprises a die carrier assembly, a forming assembly, a side drawing core assembly and an ejection assembly, wherein the die carrier assembly comprises a fixed die panel, a fixed die plate, a movable die plate, a die pin and a base; the molding assembly comprises a main runner, an S-shaped runner, cavities and inclined sliding blocks, the S-shaped runner is connected to the bottom of the main runner, the cavities are arranged at the tail ends of the S-shaped runner and used for molding the main characteristics of a product, and the inclined sliding blocks are used for molding side holes of the product; the side core-pulling assembly comprises a fixing plate, an inclined guide pillar and a guide sleeve, wherein the inclined guide pillar is suitable for being inserted into the guide sleeve in a sliding mode so as to drive the inclined sliding block to move along the horizontal direction; the ejection assembly comprises an ejector rod and a return spring, the ejector rod is arranged inside the mold foot in a sliding mode, one end of the ejector rod is in contact with the fixed mold plate, and the ejector rod is sleeved with the return spring, so that the return spring is in a compression state during mold closing. Therefore, the S-shaped flow passage is arranged in the die, so that the flow path of the resin is reduced, and a plurality of resin products with side molding structures can be processed simultaneously.

Description

Two-plate bending forming die and resin product

Technical Field

The utility model belongs to the technical field of injection mold design and specifically relates to a two board bending mould and resin products are related to.

Background

With the increasing development of semiconductor technology, the market demands for miniaturization and high precision of semiconductor products, and demands for reduction of processing cost. At present, for products of which two sides need to be subjected to side core pulling, only two cavities can be adopted for processing, and a plurality of products cannot be processed simultaneously through the forming molds of a plurality of cavities, so that the processing cost of resin products of which two sides are provided with forming structures is high, and the efficiency is low.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a two board bending mold and resin products, through set up the S-shaped runner in the mould inside, reduce the flow of resin, can process a plurality of resin products that have side shaping structure simultaneously.

The embodiment of the first aspect of the utility model provides a two-plate bending forming die, including die carrier subassembly, shaping subassembly, side core assembly and ejecting subassembly, the die carrier subassembly includes cover half panel, fixed die plate, movable mould board, mould foot and base, and the fixed die plate is connected to the cover half panel, and the movable mould board is connected to the mould foot, and the mould foot is connected to the base; the molding assembly comprises a main runner, an S-shaped runner, cavities and inclined sliding blocks, the S-shaped runner is connected to the bottom of the main runner, the cavities are arranged at the tail ends of the S-shaped runner and used for molding main body characteristics of a product, and the inclined sliding blocks are used for molding side holes of the product; the side core pulling assembly comprises a fixed plate, an inclined guide pillar and a guide sleeve, the fixed plate is positioned on one side of the fixed die plate and connected with the fixed die panel, the inclined guide pillar is connected to the fixed plate, the guide sleeve is arranged on the inclined sliding block, and the inclined guide pillar is suitable for being inserted into the guide sleeve in a sliding mode so as to drive the inclined sliding block to move in the horizontal direction; the ejection assembly comprises an ejector rod and a return spring, the ejector rod is arranged inside the mold foot in a sliding mode, one end of the ejector rod is in contact with the fixed mold plate, and the ejector rod is sleeved with the return spring, so that the return spring is in a compression state during mold closing.

Further, the mold cavities comprise a first mold cavity and a second mold cavity which are identical in structure, and the second mold cavity is obtained by copying the first mold cavity and then rotating 180 degrees along the center; wherein, the first die cavity and/or the second die cavity are respectively connected with a side core-pulling component and an ejection component.

Further, the S-shaped flow channel is sequentially connected with the die cavity along the bottom of the side core-pulling component.

Further, the side subassembly of loosing core still includes the slide wedge, and the slide wedge is connected in the fixed plate, and the inclined plane of slide wedge is on a parallel with oblique guide pillar, and the slide wedge is used for locking oblique slider when the compound die.

Further, two board bending die still includes spacing subassembly, and spacing subassembly includes spacing post and spacing groove, and spacing post is inserted and is located the movable mould board, and the spacing groove is seted up in oblique slider bottom, and spacing post is suitable for to be matchd in the spacing groove, and spacing subassembly is used for restricting oblique slider along the sliding distance of horizontal direction.

The embodiment of the utility model provides a resin product, uses if the embodiment of the first aspect provides a two board bending die processing forms.

The embodiment of the utility model provides a technical scheme's beneficial effect includes at least: a two-plate bending forming die comprises a die carrier assembly, a forming assembly, a side core-pulling assembly and an ejection assembly, wherein the die carrier assembly comprises a fixed die panel, a fixed die plate, a movable die plate, die feet and a base; the molding assembly comprises a main runner, an S-shaped runner, cavities and inclined sliding blocks, the S-shaped runner is connected to the bottom of the main runner, the cavities are arranged at the tail ends of the S-shaped runner and used for molding main body characteristics of a product, and the inclined sliding blocks are used for molding side holes of the product; the side core pulling assembly comprises a fixed plate, an inclined guide pillar and a guide sleeve, the fixed plate is positioned on one side of the fixed die plate and connected with the fixed die panel, the inclined guide pillar is connected to the fixed plate, the guide sleeve is arranged on the inclined sliding block, and the inclined guide pillar is suitable for being inserted into the guide sleeve in a sliding mode so as to drive the inclined sliding block to move in the horizontal direction; the ejection assembly comprises an ejector rod and a return spring, the ejector rod is arranged inside the mold foot in a sliding mode, one end of the ejector rod is in contact with the fixed mold plate, the ejector rod is sleeved with the return spring, and the return spring is in a compression state during mold closing.

According to the technical scheme, the S-shaped flow channel is arranged in the forming die, so that the flow of resin is reduced, and a plurality of resin products with side forming structures can be simultaneously processed. The tail ends of the two sides of the S-shaped flow passage are respectively provided with two cavities, so that 4 products can be molded simultaneously, the time and labor cost for processing the products are reduced, and the operation speed is increased by at least 2 times; the inclined wedge and the limiting assembly are arranged inside the forming die, the inclined wedge can lock the inclined sliding block when the die is closed, and the limiting assembly can limit the sliding distance of the inclined sliding block along the horizontal direction, so that the size and the appearance high-precision consistency of the product side face hole are ensured under the same forming condition of the same forming die.

The foregoing description is only an overview of the technical solutions of the present application, and the present application can be implemented according to the content of the description in order to make the technical means of the present application more clearly understood, and the following detailed description of the present application is given in order to make the above and other objects, features, and advantages of the present application more clearly understandable.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. Wherein:

fig. 1 is a schematic cross-sectional view illustrating a two-plate bending mold according to an embodiment of the present invention;

FIG. 2 shows a schematic cross-sectional view of the two-plate bend forming die of the embodiment of FIG. 1 in another orientation;

fig. 3 shows a schematic process flow diagram of a resin product provided by a second embodiment of the present invention.

Wherein, the correspondence between the reference numbers and the component names in fig. 1 to 3 is:

the device comprises a die carrier assembly 1, a fixed die panel 11, a fixed die plate 12, a movable die plate 13, a die pin 14, a base 15, a forming assembly 2, a main runner 21, an S-shaped runner 22, a die cavity 23, a first die cavity 231, a second die cavity 232, an inclined sliding block 24, a limiting assembly 25, a limiting column 251, a limiting groove 252, a die core assembly on the 3 side, a fixing plate 31, an inclined guide column 32, a guide sleeve 33, an inclined wedge 34, an ejection assembly 4, an ejector rod 41 and a reset spring 42.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

The following describes a two-plate bending mold and a resin product according to some embodiments of the present invention with reference to fig. 1 to 3, wherein the two-plate mold is a mold formed by a mold blank comprising a fixed mold plate 12 and a movable mold plate 13, and is low in manufacturing cost and suitable for processing products produced in large quantities.

As shown in fig. 1 and fig. 2, according to the utility model discloses a two board bending mold that embodiment of first aspect provided, including die carrier subassembly 1, forming component 2, side subassembly 3 of loosing core and ejecting subassembly 4, die carrier subassembly 1 includes cover half panel 11, fixed die plate 12, movable mould board 13, mould foot 14 and base 15, and fixed die plate 12 is connected in cover half panel 11, and movable mould board 13 is connected in mould foot 14, and mould foot 14 is connected in base 15, and when the processing goods, fixed die plate 12 one side of two board bending mold keeps motionless, realizes injection moulding and takes out the goods through opening and shutting movable mould board 13 one side. The molding assembly 2 comprises a main runner 21, an S-shaped runner 22, cavities 23 and an inclined slide block 24, wherein an inlet of the main runner 21 is used for being connected with an injection molding machine, the middle position of the S-shaped runner 22 is connected to the bottom of the main runner 21, and the cavities 23 are arranged at the tail ends of two sides of the S-shaped runner 22, so that after entering a two-plate bending molding mold through the main runner 21, resin materials are respectively injected into each cavity 23 along the S-shaped runner 22, and the flow of the resin materials in the mold is shortened. The cavity 23 is used for molding the main features of the product, namely the main shape and the upper and lower surface features of the product; the oblique slider 24 is used for molding a side hole of an article. The side core pulling assembly 3 comprises a fixed plate 31, an inclined guide post 32 and a guide sleeve 33, the fixed plate 31 is located on one side of the fixed die plate 12, the fixed plate 31 is connected with the fixed die panel 11, the inclined guide post 32 is connected to the fixed plate 31, the guide sleeve 33 is arranged on the inclined sliding block 24, the inclined guide post 32 is suitable for being inserted in the guide sleeve 33 in a sliding mode, so that the inclined sliding block 24 can be driven to move in the horizontal direction when the two-plate bending forming die is closed and opened. The ejection assembly 4 comprises an ejector rod 41 and a return spring 42, the ejector rod 41 is slidably arranged in the mold leg 14, one end of the ejector rod 41 is in contact with the fixed mold plate 12, the return spring 42 is sleeved on the ejector rod 41, so that the return spring 42 is in a compressed state when the mold is closed, and therefore, when the mold is opened, the return spring 42 can push one side of the movable mold plate 13 of the two-plate bending mold open,

wherein the oblique slider 24 effects the side hole of the shaped article and the removal of the article by a movement in the horizontal direction. Specifically, when the mold is closed, the inclined slide block 24 is positioned at one side close to the cavity 23, and a molding structure arranged on the inclined slide block 24 is abutted against the side surface of the cavity 23 and is used for molding a side surface hole of a product; when the mold is opened, the inclined slide block 24 is positioned on the side far away from the cavity 23, so that the product can be taken out conveniently.

Wherein, the theory of operation of side subassembly of loosing core 3 includes: when the two-plate bending forming die is opened, the inclined guide post 32 acts on the inclined slide block 24 to enable the inclined slide block 24 to slide outwards along the horizontal direction; when the two-plate bending forming die is closed, the inclined guide post 32 enables the inclined slide block 24 to slide inwards along the horizontal direction, and the forming process is completed.

It is understood that the number of cavities 23 is not limited to a specific number, and may be 1, 2, etc. that can complete the injection molding process. Preferably, considering the flow of the resin material inside the S-shaped flow passage 22, the maximum number of the cavities 23 at the end of one side of the S-shaped flow passage 22 can be 2, that is, the maximum number of the cavities 23 at the end of the two sides of the S-shaped flow passage 22 is 4, so that 4 products can be molded simultaneously, and the time and labor cost for processing the products are reduced.

As shown in fig. 2, the cavity 23 includes a first cavity 231 and a second cavity 232 having the same structure, and the second cavity 232 is obtained by replicating the first cavity 231 and then rotating 180 degrees along the center, so that the molding direction of the product in the first cavity 231 and the second cavity 232 is in accordance with the requirement. The first cavity 231 and/or the second cavity 232 are connected with the side core pulling assembly 3 and the ejection assembly 4 respectively, so that the main features and the side face holes of a plurality of products formed by the first cavity 231 and the second cavity 232 are completely the same, and the products can be ejected by the ejection assembly 4, so that the products can be taken out conveniently.

As shown in fig. 2, the S-shaped runner 22 is sequentially connected to the cavity 23 along the bottom of the side core pulling assembly 3, which can shorten the flow of the resin material in the two-plate bending mold, so that the cavity 23 in the molding mold has a more compact structure, and the efficiency of processing the product is improved.

As shown in fig. 1, the side core pulling assembly 3 further includes a wedge 34, the wedge 34 is connected to the fixing plate 31, an inclined surface of the wedge 34 is parallel to the inclined guide post 32, and when the mold is closed, an inclined surface of the wedge 34 fits an inclined surface of the inclined slider 24 to lock the inclined slider 24, so as to prevent the inclined slider 24 from sliding to cause glue leakage in the injection molding process, thereby ensuring that the size and the appearance of the side hole of the product are consistent with each other under the same molding condition of the same molding mold. Meanwhile, the wedge 34 can also be used to prevent the slide block 24 from falling off when the mold is opened.

As shown in fig. 1, the two-plate bending mold further includes a limiting component 25, the limiting component 25 includes a limiting post 251 and a limiting groove 252, the limiting post 251 is inserted into the movable mold plate 13, the limiting groove 252 is arranged at the bottom of the inclined slide block 24, and the limiting post 251 is suitable for being matched with the limiting groove 252, so that the limiting component 25 can be used for limiting the sliding distance of the inclined slide block 24 along the horizontal direction, and the size and the appearance of the side hole of the processed product are consistent in high precision in multiple molding processes of the same molding mold.

As shown in fig. 3, according to the utility model discloses a resin product that embodiment of second aspect provided uses like the utility model discloses two board bending mold processing that embodiment of first aspect provided forms, and resin product's both sides have the fashioned side hole of side core pulling, can be applied to in the semiconductor product, have characteristics such as small, high accuracy, processing cost hang down.

Specifically, the processing steps of the resin product comprise: 1. the ejector rod 41 is reset by die assembly, and the return spring 42 is in a compressed state; 2. the inclined guide post 32 drives the inclined slide block 24 to slide to one side close to the cavity 23, the accurate position of the inclined slide block 24 is limited by using a limiting post 251, and the inclined slide block 24 is locked by the inclined wedge 34; 3. injecting resin into the molding die through the main runner 21; 4. the resin enters the cavity 23 through the S-shaped runner 22; 5. waiting for the resin product to be molded, and then maintaining the pressure and opening the mold; 6. and judging whether the resin product is qualified, taking away the resin product if the resin product is qualified, and re-processing the resin product if the resin product is unqualified.

In the description of the present invention, the terms "plurality" or "a plurality" refer to two or more, and unless otherwise specifically defined, the terms "upper" and "lower" and the like indicate orientations or positional relationships based on the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention; the terms "connected", "mounted", "fixed", and the like are to be construed broadly and may include, for example, fixed connections, detachable connections, or integral connections; may be directly connected or indirectly connected through an intermediate. 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 description of the present invention, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In the present disclosure, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. A two-plate bending mold, comprising:

the die carrier assembly (1) comprises a fixed die panel (11), a fixed die plate (12), a movable die plate (13), die feet (14) and a base (15), wherein the fixed die plate (12) is connected to the fixed die panel (11), the movable die plate (13) is connected to the die feet (14), and the die feet (14) are connected to the base (15);

the molding assembly (2) comprises a main flow channel (21), an S-shaped flow channel (22), cavities (23) and an inclined slide block (24), wherein the S-shaped flow channel (22) is connected to the bottom of the main flow channel (21), the cavities (23) are arranged at the tail end of the S-shaped flow channel (22), the cavities (23) are used for molding main body characteristics of a product, and the inclined slide block (24) is used for molding a side hole of the product;

the side core pulling assembly (3) comprises a fixed plate (31), an inclined guide post (32) and a guide sleeve (33), wherein the fixed plate (31) is located on one side of the fixed die plate (12), the fixed plate (31) is connected with the fixed die panel (11), the inclined guide post (32) is connected to the fixed plate (31), the guide sleeve (33) is arranged on the inclined sliding block (24), and the inclined guide post (32) is suitable for being inserted into the guide sleeve (33) in a sliding mode so as to drive the inclined sliding block (24) to move along the horizontal direction;

the ejection assembly (4) comprises an ejector rod (41) and a return spring (42), the ejector rod (41) is arranged inside the mold leg (14) in a sliding mode, the top of the ejector rod (41) is in contact with the fixed mold plate (12), and the return spring (42) is sleeved on the ejector rod (41), so that the return spring (42) is in a compression state during mold closing.

2. The two-plate bending mold according to claim 1, wherein:

the die cavity (23) comprises a first die cavity (231) and a second die cavity (232) which are identical in structure, and the second die cavity (232) is obtained by duplicating the first die cavity (231) and then rotating 180 degrees along the center;

the first cavity (231) and/or the second cavity (232) are/is connected with a side core-pulling assembly (3) and an ejection assembly (4) respectively.

3. The two-plate bending mold according to claim 1, wherein:

the S-shaped flow channel (22) is sequentially connected with the cavity (23) along the bottom of the side core-pulling component (3).

4. The two-plate bending mould according to claim 1, wherein said side core assembly (3) further comprises:

and the inclined surface of the inclined wedge (34) is parallel to the inclined guide post (32), and the inclined wedge (34) is used for locking the inclined sliding block (24) when the mould is closed.

5. The two-plate bend forming die of claim 1, further comprising:

the limiting assembly (25) comprises a limiting column (251) and a limiting groove (252), the limiting column (251) is inserted into the movable template (13), the limiting groove (252) is formed in the bottom of the inclined sliding block (24), the limiting column (251) is suitable for being matched with the limiting groove (252), and the limiting assembly (25) is used for limiting the sliding distance of the inclined sliding block (24) along the horizontal direction.

6. A resin article characterized by:

is manufactured using a two-plate bending mould according to any of claims 1 to 5.

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