CN212372552U - Double-color mold for switching action model cavities through sliding block - Google Patents

Abstract

The utility model discloses a double-colored mould of model chamber switching of acting through slider, including the movable mould part and the cover half part that match each other, be provided with the swivel mount in the movable mould part, be provided with first movable mould and second movable mould on the swivel mount, the cover half part then includes the first cover half that matches with first movable mould, still includes the second cover half that matches with the second movable mould, its characterized in that: the first movable die and the second movable die are the same in structure, the first movable die comprises a movable die first-opening plate and a movable die plate, a damping rod is further arranged between the movable die first-opening plate and the movable die plate, two groups of fixed insert groups are arranged in the movable die first-opening plate, each group of fixed insert group is composed of a plurality of fixed inserts distributed at equal intervals, a fixed die cavity is formed in each fixed insert, a sliding block located between the two groups of fixed insert groups is further connected to the movable die plate in a sliding mode, and a plurality of sliding block die cavities distributed at equal intervals are respectively arranged on two sides of the top end face of the sliding block.

Description

Double-color mold for switching action model cavities through sliding block

Technical Field

The utility model relates to an injection moulding mould field, especially a double-color mold who carries out action model chamber through slider and switch.

Background

When the injection molding mold is used for injection molding production of products, materials of two different colors and different materials are required to be injection molded into one product sometimes, and when workpieces of the type are produced in the prior art, the materials of one material or color need to be molded in a cavity firstly, then the mold is opened, after the internal shape of the cavity is adjusted, the materials of the other material or color are molded through mold closing, so that the operation is very complicated, the working efficiency is relatively low, and the production cost is high. In order to solve the above problems, some manufacturers have developed a two-color mold with a special structure. The die is provided with two pairs of movable die parts and a fixed die part, the two movable die parts are arranged on a rotating frame, the two movable die parts can exchange positions by utilizing the rotation of the rotating frame and are respectively matched with different fixed die parts to form different cavities, and the purpose of injection molding two materials with different colors or different materials into one product can be quickly and conveniently realized by the mode.

However, the two-color mold of the above structure is only suitable for a part of the structure of the product, as shown in fig. 1, the product comprises a part a and a part B, wherein the part a and the part B both cross the parting plane, and therefore, the two-color mold of the above structure cannot be used for preparation. Traditionally, a very complex mold is needed to be adopted for realizing, the mold can drive a product to rotate and switch, the manufacturing cost of the mold is high, the price of a forming machine is high, and the cost pressure is very high. In order to solve the problems, the conventional insert molding mode is often adopted for operation, two molding machines are used, a primary product is placed into a secondary mold in a manual transfer mode, a large amount of manual labor is consumed in the mode, the production efficiency is low, and the product reject ratio is high.

There is therefore a need for a method or apparatus that addresses the above-mentioned problems.

Disclosure of Invention

The utility model relates to a solve the above-mentioned not enough that prior art exists, provide a simple structure, design benefit, rationally distributed, can swiftly, convenient, realize the double-colored mould that the secondary forming technology carries out the switching of model chamber through the slider with low costs.

The technical solution of the utility model is that: the utility model provides a double-colored mould of model chamber switching of acting through slider, includes the movable mould part and the cover half part that match each other, be provided with the swivel mount on the movable mould part, be provided with first movable mould 1 and second movable mould 2 on the swivel mount, the cover half part then includes the first cover half 3 that matches with first movable mould 1, still includes the second cover half 4 that matches with second movable mould 2, its characterized in that: the first movable die 1 and the second movable die 2 have the same structure, the first movable die 1 comprises a movable die first opening plate 15 and a movable die plate 16, a damping rod 17 is further arranged between the movable die first opening plate 15 and the movable die plate 16, two groups of fixed insert groups are arranged in the movable die first opening plate 15, each group of fixed insert group consists of a plurality of fixed inserts 5 which are distributed at equal intervals, a fixed die cavity 6 is arranged on each fixed insert 5, a slide block 8 positioned between the two groups of fixed insert groups is further connected in the movable die plate 16 in a sliding manner, a plurality of slide block die cavities which are distributed at equal intervals are respectively arranged on two sides of the top end face of the slide block 8, the slide block die cavities are divided into a first slide block die cavity 9 and a second slide block die cavity 10 which are distributed in a staggered manner, the slide block die cavities can be matched with the fixed die cavities 6, and driving inclined planes 11 are respectively arranged at two, and two ends of the top end surface of the slide block 8 are respectively provided with a positioning bulge 12,

the first fixed die 3 and the second fixed die 4 have the same structure, a locking plate 13 is fixedly connected on the first fixed die 3, a locking inclined plane 14 matched with the driving inclined plane 11 is arranged on the locking plate 13, two positioning grooves matched with the positioning bulges 12 are also arranged on the bottom surface of the first fixed die 3,

the side of the first fixed die 3 is provided with a locking die plate 18, the bottom of the locking die plate 18 is provided with a driving protrusion 19, the side of the movable die pre-opening plate 15 is rotatably supported with a driving block 20, one end of the driving block 20 is matched with the driving protrusion 19, the other end of the driving block 20 is connected with a return spring 21, the other end of the return spring 21 is fixedly connected to the movable die pre-opening plate 15, and the side of the movable die plate 16 is fixedly connected with a fixed block 22 matched with the driving block 20.

Compared with the prior art, the utility model, have following advantage:

this kind of structural style's double-colored mould that moves model chamber through slider and switch, its simple structure, design benefit, rationally distributed, it is to the problem that traditional mould exists when preparing two kinds of different goods that have the same part, designs out a special structure. The sliding of a sliding block with different sliding block cavities is utilized, the two different sliding block cavities are respectively matched with a fixed cavity, so that two different cavities are formed for injection molding of products, and then two different products are obtained in a relatively simple double-color mold. And the manufacturing process is simple, the manufacturing cost is low, so that the novel LED lamp has multiple advantages, is particularly suitable for popularization and application in the field, and has a very wide market prospect.

Drawings

Fig. 1 is a schematic structural view (perspective view and cross-sectional view) of a product to be prepared according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of an embodiment of the present invention (excluding the first stationary die and the second stationary die).

Fig. 4 is a schematic structural diagram of a fixing insert and a slider portion in an embodiment of the present invention.

Fig. 5 is a schematic view (two angles) of the structure of the slide in a descending state relative to the fixed insert group after the article a is prepared.

Fig. 6 is a schematic view (two angles) of the structure of the slider in a translational state relative to the fixed block set after descending.

Fig. 7 is a schematic view (two angles) of the slide in an up-line position relative to the fixed insert set after it has been translated to the next cavity position.

Fig. 8 is a schematic structural diagram (including front and side views) of the embodiment of the present invention in a mold closing state.

Fig. 9 is a schematic structural diagram (including the front view and the side view) of the first mold opening state and the separated state of the movable mold and the fixed mold according to the embodiment of the present invention.

Fig. 10 is a schematic structural diagram (including the front view and the side view) of the second mold opening state of the present invention, the first movable mold opening plate and the movable mold plate being separated.

Fig. 11 is a schematic structural view (including front view and side view directions) of the state where the mold opening state is three and the mold locking plate and the movable mold are completely separated according to the embodiment of the present invention.

Fig. 12 is a schematic structural view (including front and side views) of the rotary frame after rotation and before clamping.

Fig. 13 is a schematic structural diagram (including front and side directions) of a first mold closing state and a first contact state between the lock mold plate and the slide block according to the embodiment of the present invention.

Fig. 14 is a schematic structural diagram (including front and side directions) of the second mold clamping state of the present invention after the mold clamping plate pushes the slide block to move horizontally.

Fig. 15 is a schematic structural diagram (including the front view and the side view) of the embodiment of the present invention in the mold closing state three after the movable mold contacts with the fixed mold.

Fig. 16 is a schematic structural diagram (including front and side views) of the embodiment of the present invention in a complete mold closing state.

Detailed Description

The following description will explain embodiments of the present invention with reference to the drawings. As shown in fig. 1 to 16: a double-color die for switching action model cavities through sliders comprises a movable die part and a fixed die part which are matched with each other, wherein a rotating frame is arranged on the movable die part, a first movable die 1 and a second movable die 2 are arranged on the rotating frame, the fixed die part comprises a first fixed die 3 matched with the first movable die 1 and a second fixed die 4 matched with the second movable die 2, the first movable die 1 and the second movable die 2 are identical in structure, the first movable die 1 comprises a movable die pre-opening plate 15 and a movable die plate 16, a damping rod 17 is arranged between the movable die pre-opening plate 15 and the movable die plate 16, two groups of fixed insert groups are arranged in the movable die pre-opening plate 15, each group of fixed insert groups consists of a plurality of fixed insert groups 5 distributed at equal intervals, a fixed die cavity 6 is arranged on each fixed insert group 5, and a slider 8 positioned between the two groups of fixed insert groups is further connected to the movable die plate 16 in a sliding manner, a plurality of slide block cavities distributed at equal intervals are respectively arranged at two sides of the top end surface of the slide block 8, the slide block cavities are divided into a first slide block cavity 9 and a second slide block cavity 10 which are distributed in a staggered way, the slide block cavities can be matched with the fixed cavities 6, both ends of the slide block 8 are provided with driving inclined planes 11, and both ends of the top end surface of the slide block 8 are also respectively provided with a positioning bulge 12,

the structure of the first fixed die 3 is the same as that of the second fixed die 4, the first fixed die 3 is fixedly connected with a locking plate 13, the locking plate 13 is provided with a locking inclined surface 14 matched with the driving inclined surface 11, the bottom surface of the first fixed die 3 is also provided with two positioning grooves matched with the positioning protrusions 12, it needs to be noted that the structure of the first fixed die 3 is the same as that of the second fixed die 4, but the shapes of cavities in the dies of the first fixed die and the second fixed die are different, the shape of the cavity in the first fixed die 3 is matched with that of the first slider cavity 9, the two cavities form a part of a product A together, the shape of the cavity in the second fixed die 4 is matched with that of the second slider cavity 10, the two cavities form the shape of a product B together, and the product finally obtained by the double-color die is the shape of A plus B obtained after secondary molding.

The side of the first fixed die 3 is provided with a locking die plate 18, the bottom of the locking die plate 18 is provided with a driving protrusion 19, the side of the movable die pre-opening plate 15 is rotatably supported with a driving block 20, one end of the driving block 20 is matched with the driving protrusion 19, the other end of the driving block 20 is connected with a return spring 21, the other end of the return spring 21 is fixedly connected to the movable die pre-opening plate 15, and the side of the movable die plate 16 is fixedly connected with a fixed block 22 matched with the driving block 20.

The utility model discloses move double-colored mould that model chamber switched through slider's working process as follows: firstly, a forming machine is started, a first movable die 1 and a first fixed die 3 are matched (marked as a first die), a second movable die 2 and a second fixed die 4 are matched (marked as a second die), molten materials are injected into the two sets of dies by the forming machine, a product A is formed in the first die after the materials are cooled, a product B is formed in the second die, a cavity of the first die is formed by surrounding a fixed cavity 6 on a fixed insert 5, a first slide block cavity 9 on a slide block 8 and a cavity of a fixed die insert in the first fixed die 3, the product A is a part A in a target product, and in the first injection molding process, the product B in the second die is a waste product (because the product B is not formed on the basis of the product A), so that the product B is ejected and discarded after the die is opened, and the product B is formed in one;

then the mold is opened, after the waste in the second mold is ejected out, the rotating frame rotates 180 degrees, the first movable mold 1 and the second movable mold 2 exchange positions, at the moment, the first movable mold 1 and the second fixed mold 4 are assembled (still being the first mold), the second movable mold 2 and the first fixed mold 3 are assembled (still being the second mold), because the first movable mold 1 and the second movable mold 2 have the same structure, and the first fixed mold 3 and the second fixed mold 4 have the same structure, after injection molding, a product A can still be prepared in the first mold, but a part B is added on the basis of the product A in the second mold, so that a composite product combining the part A and the part B, namely a target product, is formed, and secondary molding is adopted;

repeating the steps, and continuously obtaining the secondary molded target product from the second mold.

In a first mold, a slide block 8 is at a first position (as shown in fig. 4), a first slide block cavity 9 on the slide block is matched with a fixed cavity 6 to form a cavity matched with a product a, after the product a obtained in the one-step molding process is opened in the first mold, the product a moves to the lower part of a second fixed mold 4 corresponding to a second mold along with a current movable mold, in the mold opening process, a mold locking plate 18 moves upwards, a driving protrusion 19 on the mold locking plate drives a driving block 20 to rotate, so that one end of the driving block 20 presses down a fixed block 22, the movable mold opens between the plate 15 and a movable mold plate 16, the movable mold plate 16 moves downwards relative to the movable mold opening plate 15, namely the slide block 8 moves downwards relative to a fixed insert 5, and the product a remains on the fixed insert 5; due to the existence of the damping rod 17, in the process of working the rotary frame, the movable mold firstly opens the plate 15 and the movable mold plate 16 and can be kept in a separated state all the time, the movable mold can not be contacted again until the mold is closed next time,

when the mold is closed, the locking inclined surface 14 at the bottom of the locking plate 13 is contacted with the driving inclined surface 11 on the slide block 8, and converts the longitudinal movement into horizontal movement, the slide block 8 moves transversely relative to the fixed insert 5, when the locking ramp 14 is disengaged from the driving ramp 11, the horizontal movement of the slide 8 is finished and the slide 8 is in position two (as shown in fig. 6), so that after clamping, under the action of the forming machine, the movable mould firstly opens the board 15 and contacts with the movable mould board 16 again, at this moment, because the slide block 8 has moved a unit distance horizontally, the second slide block cavity 10 on the slide block 8 matches with the fixed cavity 6, the cavity at this moment contains a product A, and the second slide cavity 10 also forms the shape of the product B together with the cavity part on the second stationary mold 4, and performing injection molding in the state to obtain the product A and B on the basis of the product A, namely the target product.

Claims (1)

1. The utility model provides a double-colored mould of model cavity switching of moving through slider, includes the movable mould part and the cover half part that match each other, be provided with the swivel mount on the movable mould part, be provided with first movable mould (1) and second movable mould (2) on the swivel mount, the cover half part then includes first cover half (3) that matches with first movable mould (1), still includes second cover half (4) that matches with second movable mould (2), its characterized in that: the structure of the first movable die (1) is the same as that of the second movable die (2), the first movable die (1) comprises a movable die first opening plate (15) and a movable die plate (16), a damping rod (17) is further arranged between the movable die first opening plate (15) and the movable die plate (16), two groups of fixed insert groups are arranged in the movable die first opening plate (15), each group of fixed insert group consists of a plurality of fixed inserts (5) distributed at equal intervals, a fixed die cavity (6) is formed in each fixed insert (5), a sliding block (8) positioned between the two groups of fixed insert groups is further connected to the movable die plate (16) in a sliding mode, a plurality of sliding block die cavities distributed at equal intervals are respectively arranged on two sides of the top end face of the sliding block (8), the sliding block die cavities are divided into a first sliding block die cavity (9) and a second sliding block die cavity (10), the two sliding blocks are distributed in a staggered mode, and the sliding block die cavities can be matched with the fixed die cavities, both ends of the slide block (8) are provided with driving inclined planes (11), and both ends of the top end surface of the slide block (8) are respectively provided with a positioning bulge (12),

the structure of the first fixed die (3) is the same as that of the second fixed die (4), a locking plate (13) is fixedly connected to the first fixed die (3), a locking inclined plane (14) matched with the driving inclined plane (11) is arranged on the locking plate (13), two positioning grooves matched with the positioning bulges (12) are further arranged on the bottom surface of the first fixed die (3),

the side of first cover half (3) is provided with lock die board (18), the bottom of lock die board (18) is provided with drive arch (19), the side rotation support that the movable mould opened board (15) earlier has drive block (20), the one end of drive block (20) matches with the position of drive arch (19), and the other end of drive block (20) then is connected with reset spring (21), the other end fixed connection of reset spring (21) is opened board (15) earlier on the movable mould, the side of movable mould board (16) then fixedly connected with fixed block (22) that drive block (20) matches.

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