CN210705871U - Double-color mold - Google Patents

Abstract

The utility model discloses a double-color mold, wherein the lower mold comprises a lower mold core with a third molding structure, and the upper mold is provided with a first molding structure and a second molding structure; the third forming structure is alternatively butted with the first forming structure and the second forming structure to form a corresponding cavity; the lower mold core comprises a first subsection and a second subsection; the first part and the second part are both provided with springs and retractable stop blocks, the first part is provided with an open slot, and the spring drives the stop blocks to protrude into the open slot; the upper die is connected with a first inclined rod at a position corresponding to the first forming structure, and a second inclined rod is arranged at a position corresponding to the second forming structure; the second diagonal rod is abutted against the stop block, the stop block is contracted, and the second diagonal rod is placed in the bottom of the open groove. One is used for opening and shutting to touch between the lift power, trades the beer process and need not to open first beer product, mold insert and takes out from, can avoid the product that secondary compound die caused to remove or scrape bad problems such as colored product, and the secondary slip technique can guarantee that the location of product in the mould is accurate.

Description

Double-color mold

Technical Field

The utility model relates to a mould especially relates to a double-colored mould.

Background

As shown in fig. 1, the bicolor product is gradually and strongly applied to various fields of daily life, industry, medical use and the like; the injection molding process comprises the steps of firstly injecting a first beer product (a first subsection) and then stacking a second beer product on the basis of the first beer product. The partial bicolor product has a reverse buckle (some convex parts, flanges and the like) on the structure of the partial bicolor product, and the reverse buckle is not arranged at the parting position of the first beer product and the second beer product but arranged on the first beer product or the second beer product (the reverse buckle part is generally set as the first beer product in the injection molding process setting). Therefore, in the mold arrangement, the lower mold is divided into two parts (when the lower mold is divided into the lower mold core and the peripheral frame plate, the lower mold core is divided into two parts), and when the product injection molding is finished and the mold is opened, the upper mold is opened and the lower mold is separated.

The mold generally requires less power, and generally only comprises the power for opening the upper mold and the lower mold and the rotary power of the lower mold (required in the beer changing process).

However, in the prior art, when the first beer product is injected and the upper mold and the lower mold are opened and rotated relatively, the two parts of the lower mold are also opened, so that the two parts of the lower mold are separated and synthesized again in the beer changing process, and the product is deviated (the viscosity of the plastic material and the product moves to a certain extent when the mold is opened), which easily damages the product or causes the product to be deformed.

Therefore, it is necessary to provide a two-color mold, in which the upper mold and the lower mold are opened relatively and the two parts of the lower mold do not need to be opened during the relative rotation (beer changing process).

SUMMERY OF THE UTILITY MODEL

The utility model discloses an at least solve one of the technical problem that exists among the prior art, solve and go up the mould and open relatively with the lower mould and rotate relatively (trade beer process) two parts of in-process lower mould need not open, in order to avoid the product to take place to remove and impaired problem, the utility model discloses a technical scheme be:

a double-color mold comprises an upper mold and a lower mold, wherein the lower mold comprises a lower template and a lower mold core provided with a third molding structure, and the upper mold is provided with a first molding structure and a second molding structure; the upper die and the lower die rotate relatively and are used for driving the third forming structure to be in butt joint with the first forming structure and the second forming structure alternately so as to form a corresponding cavity; the lower mold core comprises a first division and a second division, and the first division and the second division can be relatively far away from and combined with each other; the first branch and the second branch are both provided with springs and retractable stoppers, open grooves are formed in the sides of the first branch and the second branch, which are away from each other, and the springs are used for driving the stoppers to protrude into the open grooves; a first inclined rod is connected to the position, corresponding to the first forming structure, of the upper die, a plane used for abutting against the stop block is arranged on one side, facing the third forming structure, of the first inclined rod, and the first inclined rod abuts against the stop block and is used for driving the first sub-part and the second sub-part to be combined; a second inclined rod is arranged at the position, corresponding to the second forming structure, of the upper die, a first clearance avoiding surface is arranged on one side, facing the third forming structure, of the second inclined rod, and a second clearance avoiding surface is arranged on one side, away from the third forming structure, of the stop block; the first and second avoidance surfaces are cambered surfaces or inclined surfaces; the first and second escape surfaces are connected to drive the stop block to contract, and the second diagonal rod is buckled between the bottom of the open slot and the stop block.

Ingenious structure setting, only one is used for opening and shutting the lift power of touching, trades the beer process and need not to open first beer product to can realize taking out of product fabrication hole department mold insert, can avoid the product that secondary compound die caused to remove or scrape bad problems such as colored product, secondary slip technique can guarantee that the location of product in the mould is accurate.

Preferably, the upper die is connected with an inclined block, the first subsection and/or the second subsection are/is slidably connected with an insert, and an inclined surface structure is connected between the inclined block and the insert; the opening and closing of the upper die and the lower die can drive the insert to be far away from and inserted into the third forming structure. And (5) secondarily sliding the mold to open the mold.

Preferably, the first and/or second sections are provided with a first buckle; first buckle is used for the slip of locking mold insert after breaking away from the sloping block. Go up the mould and drive the sloping block and shift up, when the sloping block breaks away from the mold insert, the slip of first buckle locking mold insert.

Preferably, the first and/or second sections are provided with mounting holes for mounting inserts; the first subsection and/or the second subsection comprise a forming structure block and a traction block, an open slot and a stop block are arranged on the traction block, the traction block is used for driving the forming structure block to slide, the forming structure block and the traction block are detachably connected end to end, an assembly hole is formed in the connecting position of the forming structure block and the traction block, and an insert penetrates through the forming structure block; when the forming structure block and the driving block are disassembled, the insert can be pulled away from the forming structure block. The insert comprises a sliding block and an insert pin, and the insert pin penetrates through the structure block.

Preferably, the inclined block is connected with the upper die through a first pressing plate. It is comparatively convenient to go up the mould design casting, then through first clamp plate with the upper end fixed connection of sloping block in last mould, first clamp plate and sloping block need not to consider integrated into one piece, reduce the complicated structural design of going up the mould when the mould is gone up in the design.

Preferably, a second buckle is arranged on the lower template; the second buckle is used for locking the first subsection to slide after the second inclined rod is separated from the stop block. The product is moulded plastics the cooling and is accomplished, the second down tube card is between split groove bottom surface and dog, goes up the mould and makes first subsection and second subsection relative separation, the first subsection of second buckle locking when the second down tube breaks away from the dog, second down tube stir the dog.

Preferably, an orientation structure for controlling the orientation sliding of the first sub-part is arranged on the lower template, and the orientation structure is a guide rail or a guide groove. Such as a T-shaped guide rail and a dovetail-shaped guide rail, the first part is only oriented away from the second part and cannot be pulled upwards; the second diagonal rod enables the first subsection and the second subsection to be opened by poking the stop block.

Preferably, the first and second parts are provided with mounting holes for mounting the stopper and the spring; the mounting hole penetrates from the end part of the first subsection to the side wall of the open slot; the mounting hole is connected with the end cover, and the end cover is arranged in the mounting hole in a locking mode of the stop block and the spring. The stop block and the spring are convenient to mount; opening the end cover, sequentially loading a stop block and a spring, and tightening the end cover; one end of the spring is connected with the stop block, and the other end of the spring is connected with the end cover, so that the stop block protrudes into the open slot.

Drawings

FIG. 1 is a schematic view of a product with an inverted structure and a mold, with an upper mold core hidden;

fig. 2 is a schematic structural view when the mold of the present invention is opened;

fig. 3 is an exploded view of the mold of the present invention when opened;

fig. 4 is a schematic structural view of the first or second sub-section of the present invention;

fig. 5 is an enlarged view of a portion of fig. 3 according to the present invention;

fig. 6a is a schematic structural view of the swash block and the insert of the present invention;

fig. 6b is a cross-sectional view of the swash block and the insert of the present invention;

fig. 7a is a schematic structural view of the first inclined rod of the present invention abutting against the stop block;

fig. 7b is a schematic structural view of the second inclined rod of the present invention abutting against the stop block;

fig. 7c is a schematic structural diagram of the stopper of the present invention.

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.

As shown in fig. 1, the product shown in the figure is a double-color product with an inverted flange, which is an injection molding product mainly applied to the mold of the present invention.

As shown in fig. 2 to 3, a two-color mold includes an upper mold 1 and a lower mold; the lower die comprises a lower die plate 21 and a lower die core 22 provided with a third forming structure 2 a; the upper die 1 is provided with a first forming structure and a second forming structure 1b, and the upper die 1 comprises an upper die plate and an upper die core 11. The upper die 1 and the lower die rotate relatively, and the third forming structure 2a is driven to alternately butt joint the first forming structure and the second forming structure 1b so as to form a corresponding cavity. The first molding structure and the third molding structure are combined to form a first molding cavity for injection molding of the first beer product 100; the second molding structure 1b is combined with the third molding structure to constitute a second molding cavity, the first beer product is transferred into the second molding cavity after beer replacement, and a second beer product 200 is stacked on the basis of the first beer product 100.

The upper die 1 is connected with an opening and closing power part, such as an air cylinder, a hydraulic cylinder and the like, and the opening and closing power part is used for driving the upper die 1 and the lower die to relatively move away from and merge; the lower mold is connected with a rotary power member such as a motor, a hydraulic motor, etc., the upper mold 1 is separated from the lower mold, the lower mold is rotatable, and the third molding structure 2a is alternately butted with the first molding structure and the second molding structure 1 b. The lower mold core 22 includes a first portion 221 and a second portion 222, and the first portion 221 and the second portion 222 can be relatively separated and combined. The first part 221 and the second part 222 are both provided with a spring and a retractable stopper 31, the first part 221 and the second part 222 are provided with an open slot 22a at the side away from each other, and the spring is used for driving the stopper 31 to protrude into the open slot 22 a.

As shown in fig. 2 and 3, a first diagonal bar 4 is connected to the upper mold 1 at a position corresponding to the first forming structure; as shown in fig. 7a, a side of the first inclined rod 4 facing the third forming structure 2a is provided with a flat surface 4a for abutting against the stopper 31, and the abutment of the first inclined rod 4 against the stopper 31 is used for driving the first and second sub-portions 221 and 222 to merge. As shown in fig. 2 and 3, the upper mold 1 is provided with a second diagonal bar 5 at a position corresponding to the second molding structure 1 b; as shown in fig. 7b, the side of the second diagonal rod 5 facing the third forming structure 2a is provided with a first clearance surface 5 a; as shown in fig. 7b and 7c, a second clearance surface 31a is provided on the side of the stopper 31 facing away from the third forming structure 2 a; the first clearance surface 5a and the second clearance surface 31a are cambered surfaces or inclined surfaces; the first and second escape surfaces 5a and 31a are abutted to each other, so that the stopper 31 can be retracted and the second diagonal member 5 is engaged between the bottom of the open groove 22a and the stopper 31.

As shown in fig. 3, 7a and 7b, the spring is hidden from view by the end cap 33. As shown in fig. 7a, the plane 4a is a line or only the outer edge thereof is seen in this view; during the merging process of the first molding cavities, the direction of the first diagonal rod 4 for shifting the stop block 31 is shown as X in FIG. 7a₁The direction in which the stopper 31 slides (and the direction in which the lower mold core parts are combined) is shown by X in FIG. 7a₂And (4) direction. As shown in fig. 7b, the second diagonal member 5 is cylindrical, and the first clearance surface 5a can be directly set as a cylindrical surface (one kind of arc surface); the direction of the second tilting rod 5 for pulling the stopper 31 is Y shown in FIG. 7b₁The direction in which the stopper 31 slides (and the direction in which the lower core segments are opened) is Y shown in FIG. 7b₂And (4) direction.

Ingenious structure setting, only one is used for opening and shutting the lift power room of touching, trades the beer process and need not to open first beer product 100 to can realize taking out of product fabrication hole department mold insert 62, can avoid the product that secondary compound die caused to remove or scrape bad problems such as colored product, secondary slip technique can guarantee that the location of product in the mould is accurate. In the process of closing the mold to form the first molding cavity, the first diagonal rod 4 abuts against the stop block 31 through the plane 4a of the first diagonal rod, and the stop block 31 cannot contract, so that the first diagonal rod 4 pushes the stop block 31, and the first sub-part 221 and the second sub-part 222 are combined; the outer side of the first subsection 221 is provided with an open groove instead of an inclined hole, the open end of the open groove 22a is a vacancy-avoiding position, the first subsection 221 and the second subsection 222 do not need to be opened in the beer changing process, the upper die 1 drives the inclined block 61 to ascend, and the inclined block 61 drives the insert 62 to be far away from the third forming structure 2 a; in the process of closing the mold to form a second molding cavity, the second diagonal rod 5 is abutted against the stop block 31 by an inclined surface and/or an arc surface, the stop block 31 contracts, and then the second diagonal rod 5 is buckled into a gap between the bottom of the open slot 22a and the stop block 31; therefore, after the product injection is completed (i.e. the second beer product 200 is completely stacked on the first beer product 100), the upper mold 1 is lifted, and the second inclined rod 5 pulls the stopper 31 to separate the first and second partitions 221 and 222. The first and second portions 221 and 222 are separated, and the product undercut 100a can be separated from the lower core 22.

As shown in fig. 2, 6a and 6b, the upper die 1 is connected with a sloping block 61, the first part 221 and/or the second part 222 is/are slidably connected with an insert 62, and a slope structure is connected between the sloping block 61 and the insert 62; opening and closing of the upper mold 1 and the lower mold drives the insert 62 away from and into the third molding structure 2 a. The swash block 61 is connected to the upper die 1 via a first presser plate 64.

As shown in fig. 6b, the first sub-part 221 and/or the second sub-part 222 are provided with a first buckle 63; the first catch 63 is used to lock the sliding movement of the insert 62 after disengaging the ramp 61. As shown in fig. 3 and 5, the lower template 21 is provided with a second buckle 21 a; the second catch 21a is used to lock the sliding movement of the first subsection 221 after the second diagonal 5 is disengaged from the stop 31. As shown in fig. 6b, the first catch 63 is provided as a slight protrusion, and the lower end of the insert 62 is provided with a recess.

The lower template 21 is provided with an orientation structure 21b for controlling the orientation sliding of the first sub-part 221, and the orientation structure 21b is a guide rail or a guide groove.

As shown in fig. 2, 3 and 4, the first and second sub-units 221 and 222 are provided with mounting holes 22b for mounting the stopper 31 and the spring; the mounting hole 22b penetrates from the end of the first sub-portion 221 to the side wall of the opening groove 22 a; an end cap 33 is connected to the mounting hole 22b, and the end cap 33 is used to lock the stopper 31 and the spring in the mounting hole 22 b.

As shown in fig. 2 and 3, the first and/or second portions 221 and 222 are provided with fitting holes 22e for mounting the insert 62. As shown in fig. 2 to 4, the first sub-portion 221 and/or the second sub-portion 222 includes a forming structure block 22c and a driving block 22d, the driving block 22d is provided with an opening slot and a stop, the driving block 22d is used for driving the forming structure block 22c to slide, the forming structure block 22c and the driving block 22d are detachably connected end to end, an assembling hole 22e is provided at a connection position of the forming structure block 22c and the driving block 22d, and the insert 62 penetrates through the forming structure block 22 c; when the molding structure block 22c and the pulling block 22d are separated, the insert 62 is removed from the molding structure block 22 c. The insert 62 includes a slider 621 and an insert pin 622, and the insert pin 622 penetrates the molding structure block 22 c.

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", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on 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" 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 at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. 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 application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean 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 this specification, the schematic representations of the terms used above are not necessarily intended to 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. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

The above embodiments are only used for illustrating the technical solutions of the present invention and are not limited thereto, and any modification or equivalent replacement that does not depart from the spirit and scope of the present invention should be covered by the scope of the technical solutions of the present invention.

Claims (7)

1. A double-color mold is characterized in that: the die comprises an upper die (1) and a lower die, wherein the lower die comprises a lower template (21) and a lower die core (22) provided with a third forming structure (2a), and the upper die (1) is provided with a first forming structure and a second forming structure (1 b); the upper die (1) and the lower die rotate relatively and are used for driving the third forming structure (2a) to be in butt joint with the first forming structure and the second forming structure (1b) alternately;

the lower die core (22) comprises a first part (221) and a second part (222), and the first part (221) and the second part (222) can be relatively far away and combined; the first subsection (221) and the second subsection (222) are both provided with springs and retractable stoppers (31), the first subsection (221) and the second subsection (222) are provided with open grooves (22a) on the sides deviating from each other, and the springs are used for driving the stoppers (31) to protrude into the open grooves (22 a); a first inclined rod (4) is connected to the position, corresponding to the first forming structure, of the upper die (1), a plane (4a) used for abutting against the stop block (31) is arranged on one side, facing the third forming structure (2a), of the first inclined rod (4), and the abutting of the first inclined rod (4) against the stop block (31) is used for driving the first sub-part (221) and the second sub-part (222) to be combined;

a second inclined rod (5) is arranged at the position, corresponding to the second forming structure (1b), of the upper die (1), a first clearance avoiding surface (5a) is arranged on one side, facing the third forming structure (2a), of the second inclined rod (5), and a second clearance avoiding surface (31a) is arranged on one side, away from the third forming structure (2a), of the stop block (31); the first clearance surface (5a) and the second clearance surface (31a) are cambered surfaces or inclined surfaces; the first clearance surface (5a) and the second clearance surface (31a) are abutted, so that the stop block (31) can be driven to contract, and the second inclined rod (5) is buckled between the bottom of the open slot (22a) and the stop block (31).

2. A two-color mold according to claim 1, wherein: the upper die (1) is connected with an inclined block (61), an insert (62) is slidably connected in the first subsection (221) and/or the second subsection (222), and an inclined surface structure is connected between the inclined block (61) and the insert (62); the upper die (1) and the lower die are opened and closed, and the insert (62) can be driven to be far away from and inserted into the third forming structure (2 a).

3. A two-color mold according to claim 2, characterized in that: a first buckle (63) is arranged on the first subsection (221) and/or the second subsection (222); the first buckle (63) is used for locking the sliding of the insert (62) after the insert is separated from the inclined block (61).

4. A two-color mold according to claim 2, characterized in that: the inclined block (61) is connected with the upper die (1) through a first pressing plate (64).

5. A two-color mold according to claim 1, wherein: a second buckle (21a) is arranged on the lower template (21); the second catch (21a) is used for locking the sliding of the first subsection (221) after the second inclined rod (5) is separated from the stop block (31).

6. A two-color mold according to claim 1, wherein: the lower template (21) is provided with an orientation structure (21b) for controlling the first sub-part (221) to directionally slide, and the orientation structure (21b) is a guide rail or a guide groove.

7. A two-color mold according to claim 1, wherein: the first sub-unit (221) and the second sub-unit (222) are provided with mounting holes (22b) for mounting a stopper (31) and a spring; the mounting hole (22b) penetrates from the end part of the first subsection (221) to the side wall of the opening groove (22 a); an end cover (33) is connected to the mounting hole (22b), and the end cover (33) is used for locking the stop block (31) and the spring in the mounting hole (22 b).

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