CN109501161B

CN109501161B - Injection mold

Info

Publication number: CN109501161B
Application number: CN201811432237.1A
Authority: CN
Inventors: 李文良; 胡天宋; 贺伟华; 周才荣; 李学荣; 余强和; 梁勇; 黄宁勇
Original assignee: Ace Mold Industrial Shenzhen Co Ltd
Current assignee: Ace Mold Industrial Shenzhen Co Ltd
Priority date: 2018-11-28
Filing date: 2018-11-28
Publication date: 2024-01-16
Anticipated expiration: 2038-11-28
Also published as: CN109501161A

Abstract

The invention discloses an injection mold, which comprises an upper mold core, a support, zuo Moren, a second sliding block and a first sliding block, wherein the second sliding block is provided with a right first mold core and a right second mold core; the upper die core, zuo Moren, the right first die core and the right second die core are spliced to obtain a die with a die cavity; the upper die core and the first sliding block are connected with an inclined rod, and the other end of the upper die core is provided with an inclined hole matched with the inclined rod, and the first sliding block can be driven to slide rightwards by the rising of the upper die core relative to the support; the right first die core and the right second die core are connected with the first sliding block through a sliding block sliding groove structure; the first sliding block slides rightwards, the right first die core and the right second die core are driven to be away from each other, and then the second sliding block is driven to be away from the left die core through the sliding block sliding groove structure. The die components in the X, Y, Z direction are separated in a coordinated manner by one power, so that the product is convenient to demold, the quality is ensured, and the productivity is improved.

Description

Injection mold

Technical Field

The invention relates to the field of injection molding, in particular to an injection mold applied to a multi-back-off product.

Background

In actual production, part of products have inverted buckles in the X, Y, Z direction because of complex shapes.

In the prior art, in order to eject the product, the die parts in the X, Y, Z direction are connected with power parts, and the complex action of multi-direction opening is needed, so that the productivity of the dies with the same size is greatly reduced, the dies occupy larger space, and the rubber parts are easily dragged to be broken when the die parts in the X, Y, Z direction are opened in an uncoordinated manner, so that the products are wasted.

Therefore, a die is necessary to be arranged, the die components in the X, Y, Z direction are separated in a coordinated manner by one power, the product is convenient to demold, the quality is ensured, and the productivity is improved.

Disclosure of Invention

In order to overcome the defects in the prior art, the invention adopts the following technical scheme:

the injection mold comprises an upper mold core, a support arranged below the upper mold core, a left mold core, a second slide block and a first slide block, wherein the left mold core, the second slide block and the first slide block are transversely and sequentially arranged on the support; the upper die core, zuo Moren, the right first die core and the right second die core are spliced to obtain a die with a die cavity;

the upper die core and the first sliding block are connected with an inclined rod, and the other end of the upper die core is provided with an inclined hole matched with the inclined rod, and the first sliding block can be driven to slide rightwards by the rising of the upper die core relative to the support;

the right first die core and the right second die core are connected with the first sliding block through a sliding block sliding groove structure; the first sliding block slides rightwards, the right first die core and the right second die core are driven to be away from each other, and then the second sliding block is driven to be away from the left die core through the sliding block sliding groove structure.

According to another specific embodiment of the invention, the support is further provided with a first orientation groove, and the first sliding block and the second sliding block are connected with the first orientation groove; the first directional groove is used for controlling the first sliding block and the second sliding block to slide in a directional manner.

According to another embodiment of the present invention, further, the slide chute structure includes a first chute and a cylindrical slide; the second slide block is provided with a second orientation groove, and the right first die core and the right second die core are respectively connected with the corresponding second orientation groove; the second orientation groove is used for controlling the first die core on the right side to approach or separate from the second die core on the right side.

According to another embodiment of the present invention, further, the first chute is disposed on the first slider, and the right first mold core and the right second mold core are provided with cylindrical sliders; the second sliding block is detachably buckled with a connecting piece; the second sliding block is provided with a second sliding groove, the connecting piece is provided with a third sliding groove corresponding to the second sliding groove, the third sliding groove is communicated to the end part of the connecting piece, and the cylindrical sliding block is connected with the first sliding groove, the second sliding groove and the third sliding groove in a penetrating way; the second orientation groove is disposed on the connector.

According to another specific embodiment of the present invention, further, an elastic member is connected between the first slider and the second slider; when the right first die core and the right second die core are mutually far away, the elastic piece locks the second sliding block to move relative to the first sliding block.

According to another embodiment of the present invention, further, at least one of the upper mold core, zuo Moren, the right first mold core and the right second mold core is provided with a channel for heat dissipation and/or air exhaust.

According to another specific embodiment of the invention, further, the upper die core and/or the support are/is connected with a lifting power piece, and the lifting power piece is used for controlling the upper die core and the support to be close to or far away from each other.

According to another embodiment of the present invention, further, the Zuo Moren is provided with a discharge member for ejecting the product.

According to another embodiment of the present invention, further, the upper mold core and/or the left mold core are/is provided with a buffer member, and the upper mold core and the Zuo Moren are abutted by the buffer member.

According to another specific embodiment of the invention, the upper die is further connected with the support through an alignment piece, the alignment piece is used for controlling the upper die and the support to be close to or far away from each other in an oriented manner, and the alignment piece comprises a sleeve and an alignment rod; the upper die and the support are connected with a sleeve and the other is connected with an alignment rod.

The injection mold has the following beneficial effects: the die components in the X, Y, Z direction are separated in a coordinated manner by one power, so that the product is convenient to demold, the quality is ensured, and the productivity is improved.

Drawings

FIG. 1 is a schematic illustration of a product which may be processed in accordance with the present invention, the orientation of the product being opposite to the orientation of the medium-sized cavities of FIGS. 2 and 3;

FIG. 2 is a perspective view of the present invention;

FIG. 3 is an exploded view of the present invention;

FIG. 4 is a schematic view of the structure of the connector of the present invention;

FIG. 5 is a rear view in section of the present invention;

FIG. 6 is a schematic diagram of a front view angle of the present invention;

FIG. 7 is a schematic diagram of a top view of the present invention, wherein the right first mold core and the right second mold core are cut along the middle of the cylindrical sliding block, and the diagonal rod is cut along the middle;

FIG. 8 is a schematic diagram of a second embodiment of the invention in a front view;

FIG. 9 shows a schematic diagram of the top view of the present invention, with the diagonal rods broken along the middle.

Detailed Description

The following describes the embodiments of the present invention in further detail with reference to the drawings.

As shown in FIG. 1, a product of the present invention is processable with a product orientation opposite to the orientation of the cavity of FIGS. 2 and 3. The product has a concave-convex structure in the X, Y, Z direction to form a back-off; the mould must be provided in several parts, i.e. the mould cavity must be divided into several parts, provided on several mould parts which, when spliced, constitute the mould cavity. After injection molding of the product, the several mold parts need to be opened away from the product and the product remains on one of the mold parts in order to remove the product.

As shown in fig. 2, 3 and 5-9, an injection mold comprises an upper mold core 1, a support 2 arranged below the upper mold core 1, a left mold core 3, a second slide block 4 and a first slide block 5 which are arranged on the support 2 in sequence along the transverse direction, wherein a right first mold core 61 and a right second mold core 62 are arranged on the second slide block 4; the upper die core 1, the left die core 3, the right first die core 61 and the right second die core 62 are spliced to obtain a die with a cavity. At least one of the upper die core 1, the left die core 3, the right first die core 61 and the right second die core 62 is provided with an injection molding port 1b communicated with a cavity; as shown in fig. 5, the upper mold core 1 is provided with an injection port 1b.

As shown in fig. 2, 3, 5, 6 and 8, one of the upper die core 1 and the first sliding block 5 is connected with an inclined rod 1a, and the other is provided with an inclined hole 5a matched with the inclined rod 1a, and the first sliding block 5 can be driven to slide rightwards by the rising of the upper die core 1 relative to the support 2; the rising direction of the upper die core 1 relative to the support 2 is shown as a Z direction in fig. 2, 3, 5, 6 and 8, and the sliding direction of the first sliding block 5 to the right is shown as an X direction in fig. 3 and 6 to 9.

. As shown in fig. 2, 3, 5 and 6, the inclined rod 1a is connected to the upper die core 1, and the first slider 5 is provided with an inclined hole 5a; as shown in fig. 8, the diagonal rod 1a is connected to the first slider 5, and the upper core 1 is provided with a diagonal hole 5a. The upper die core 1 and/or the support 2 are/is connected with a lifting power piece, and the lifting power piece is used for controlling the upper die core 1 and the support 2 to be close to or far away from each other. The upper die is far away from or near to the support 2, namely the lifting power piece drives the upper die to lift or the lifting power piece drives the support 2 to lift. The upper die is connected with the support 2 through an alignment piece, the alignment piece is used for controlling the upper die and the support 2 to be close to or far away from each other in an oriented manner, and the alignment piece comprises a sleeve and an alignment rod; the upper die and the support 2 are connected with a sleeve and the other is connected with an alignment rod.

The right first die core 61 and the right second die core 62 are connected with the first slide block 5 through slide block chute structures; the slide chute structure comprises a first slide chute 51a and a cylindrical slide 6a; the second slider 4 is provided with a second orientation groove 41b, and the right first die core 61 and the right second die core 62 are respectively connected with the corresponding second orientation groove 41b; the second orientation groove 41b is used for controlling the right first mold core 61 and the right second mold core 62 to approach or separate from each other. The first sliding block 5 slides rightward, firstly drives the right first die core 61 and the right second die core 62 to be away from each other, and then drives the second sliding block 4 to be away from the left die core 3 through the sliding block chute structure. The first sliding block 5 slides rightwards in the X direction shown in fig. 3, 6-9; the direction in which the right first mold core 61 and the right second mold core 62 are separated from each other is the Y direction shown in fig. 3, 7 and 9.

As shown in fig. 3, 6 to 9, the first slider 5 includes a rod 51. As shown in fig. 3, 6 and 7, the right first mold core 61 and the right second mold core 62 are provided with a cylindrical slide block 6a, the cylindrical slide block 6a faces downward, and the rod 51 is provided with a first chute 51a; as shown in fig. 8 and 9, the rod 51 is provided with a cylindrical slider 6a, the cylindrical slider 6a faces upward, and the right first die 61 and the right second die 62 are provided with a first chute 51a.

An elastic piece 7 is connected between the first sliding block 5 and the second sliding block 4; when the right first mold core 61 and the right second mold core 62 are away from each other, the elastic member 7 locks the second slider 4 to move relative to the first slider 5. The elastic member 7 may be a compression spring, a disc spring, or an elastic plastic member with deformation meeting requirements, and the elastic member 7 is in a compressed state when the right first mold core 61 and the right second mold core 62 are away from each other.

As shown in fig. 2, 3, 5, 6 and 8, taking the lifting power piece to drive the upper die to lift, the inclined rod 1a is arranged on the upper die, and the lifting of the upper die core 1 in the die opening process comprises two stages. In the first stage, the upper die ascends, the upper die drives the first sliding block 5 to move rightwards through the inclined rod 1a, the elastic piece 7 locks the second sliding block 4 to move relative to the first sliding block 5, meanwhile, the first sliding block 5 drives the right first die core 61 and the right second die core 62 to be far away through the sliding block chute structure, and in the first stage, the upper die core 1 ascends to open the die, and the right first die core 61 and the right second die core 62 are far away to open the die; the cylindrical sliding block 6a moves to the rightmost end of the first sliding groove 51a, and the elastic piece 7 can be in a compressed state or a free state; in the second stage, the upper die continues to rise, the first slide block 5 continues to slide rightward, and the first slide block 5 pulls the second slide block 4 to slide rightward through the slide block chute structure, that is, the right first die core 61 and the right second die core 62 are far to the right from the left die core 3, and further die opening is performed. And the die opening of the die block is completed, and the discharging part can eject the product.

The first chute 51a is arranged on the first slide block 5, and the right first die core 61 and the right second die core 62 are provided with cylindrical slide blocks 6a; the second sliding block 4 is detachably buckled with a connecting piece 41; the second sliding block 4 is provided with a second sliding groove 4a, the connecting piece 41 is provided with a third sliding groove 41a corresponding to the second sliding groove 4a, the third sliding groove 41a is communicated to the end part of the connecting piece 41, and the cylindrical sliding block 6a is connected with the first sliding groove 51a, the second sliding groove 4a and the third sliding groove 41a in a penetrating way; a second orientation groove 41b is provided on the connector 41. The structure of the connection member is shown in fig. 4, and a second orientation groove 41b is provided on the connection member 41. When the connecting piece 41, the right first die core 61 and the right second die core 62 are disassembled as a whole upwards from the second sliding block 4, namely, the right first die core 61 and the right second die core 62 are separated from the second sliding groove 4a and the third sliding groove 41a upwards, and the connecting piece 41 is separated from the buckling concave part of the second sliding block 4 upwards; then, the right first mold 61 and the right second mold 62 slide out of the end opening of the third chute 41a along the second orientation groove 41 b.

The support 2 is provided with a first orientation groove 2a, and the first sliding block 5 and the second sliding block 4 are connected with the first orientation groove 2a; the first orientation groove 2a is used for controlling the left-right orientation sliding of the first slide block 5 and the second slide block 4. The lower ends of the first slider 5 and the second slider 4 are provided with flanges, and the flanges are accommodated in the first orientation groove 2a to slide.

At least one of the upper mold core 1, the left mold core 3, the right first mold core 61 and the right second mold core 62 is provided with a channel for heat dissipation and/or air exhaust. At least one of the upper die core 1, the left die core 3, the right first die core 61 and the right second die core 62 is provided with a cooling channel, cooling liquid flows in the cooling channel, and the cooling channel drives the heat of a product in a cavity and a die; the cooling channels may be located closer to the mold cavity.

The left die core 3 is provided with a discharging part which is used for ejecting products. The unloading piece is connected with an unloading cylinder body, the action direction of a piston rod of the unloading cylinder body is vertical, namely, the Z direction, and the product is ejected out.

The upper die core 1 and/or the left die core 3 are/is provided with a buffer piece 8, and the upper die core 1 and the left die core 3 are abutted through the buffer piece 8.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," and the like, 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. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," 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 present invention. In this specification, schematic representations of the above terms are not necessarily directed 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. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

The above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and any modifications or equivalent substitutions without departing from the spirit and scope of the present invention should be covered in the scope of the technical solution of the present invention.

Claims

1. An injection mold, characterized in that: the mold comprises an upper mold core (1), a support (2) arranged below the upper mold core (1), a left mold core (3), a second slide block (4) and a first slide block (5) which are arranged on the support (2) in sequence along the transverse direction, wherein a right first mold core (61) and a right second mold core (62) are arranged on the second slide block (4); the upper die core (1), the Zuo Moren (3), the right first die core (61) and the right second die core (62) are spliced to obtain a die with a die cavity;

the upper die core (1) and the first sliding block (5) are connected with an inclined rod (1 a) and an inclined hole (5 a) matched with the inclined rod (1 a) is formed in one end of the upper die core, and the first sliding block (5) can be driven to slide rightwards by the rising of the upper die core (1) relative to the support (2);

the first right die core (61) and the second right die core (62) are connected with the first sliding block (5) through a sliding block sliding groove structure, the sliding block sliding groove structure comprises a first sliding groove (51 a) and a cylindrical sliding block (6 a), a second orientation groove (41 b) is formed in the second sliding block (4), the first right die core (61) and the second right die core (62) are respectively connected with the corresponding second orientation groove (41 b), the second orientation groove (41 b) is used for controlling the first right die core (61) and the second right die core (62) to be close to or far away from each other, the first sliding groove (51 a) is formed in the first sliding block (5), and the first right die core (61) and the second right die core (62) are provided with the cylindrical sliding block (6 a); the second sliding block (4) is detachably buckled with a connecting piece (41); a second sliding groove (4 a) is formed in the second sliding block (4), a third sliding groove (41 a) corresponding to the second sliding groove (4 a) is formed in the connecting piece (41), the third sliding groove (41 a) is communicated to the end part of the connecting piece (41), and the cylindrical sliding block (6 a) is connected with the first sliding groove (51 a), the second sliding groove (4 a) and the third sliding groove (41 a) in a penetrating mode; the second orientation groove (41 b) is arranged on the connecting piece (41);

the first sliding block (5) slides rightwards, the first die core (61) on the right side and the second die core (62) on the right side are driven to be away from each other, and then the second sliding block (4) is driven to be away from the left die core (3) through a sliding block sliding groove structure; the support (2) is provided with a first directional groove (2 a), and the first sliding block (5) and the second sliding block (4) are connected with the first directional groove (2 a); the first directional groove (2 a) is used for controlling the directional sliding of the first sliding block (5) and the second sliding block (4).

2. An injection mold according to claim 1, wherein: an elastic piece (7) is connected between the first sliding block (5) and the second sliding block (4); when the right first die core (61) and the right second die core (62) are far away from each other, the elastic piece (7) locks the second sliding block (4) to move relative to the first sliding block (5).

3. An injection mold according to claim 1, wherein: at least one of the upper die core (1), the Zuo Moren (3), the right first die core (61) and the right second die core (62) is provided with a channel for heat dissipation and/or air exhaust.

4. An injection mold according to claim 1, wherein: the upper die core (1) and/or the support (2) are/is connected with a lifting power piece, and the lifting power piece is used for controlling the upper die core (1) and the support (2) to be close to or far away from each other.

5. An injection mold according to claim 1, wherein: zuo Moren (3) is provided with a discharge member for ejecting the product.

6. An injection mold according to claim 1, wherein: the upper die core (1) and/or the left die core (3) are/is provided with a buffer piece (8), and the upper die core (1) and the upper die core (Zuo Moren) (3) are abutted through the buffer piece (8).

7. An injection mold according to claim 1, wherein: the upper die is connected with the support (2) through an alignment piece, the alignment piece is used for controlling the upper die and the support (2) to be close to or far away from each other in an oriented manner, and the alignment piece comprises a sleeve and an alignment rod; the upper die and the support (2) are connected with a sleeve and the other is connected with an alignment rod.