CN212352691U - Double-color mold with cavity moving along with rotation of movable mold - Google Patents

Abstract

The utility model provides a double-colored mould of die cavity along with movable mould rotary motion, including cover half support plate (1) and movable mould support plate (2). The fixed die carrier plate adopted by the utility model is provided with a core A, a pressure groove A, a pressing surface A, a core B, a pressure groove B, a pressing surface B, a wedge groove and a shifting pin, wherein the shifting pin is provided with a pin inclined plane; the movable mould carrier plate is provided with a cavity and a buckle slide block, and the buckle slide block is provided with a shifting hole, a block tightening surface and a wedge head; in the left part of the device, a cavity surrounded by an A-shaped core and a cavity is a cavity of an A-shaped part of a molded product; in the right part of the device, a cavity surrounded by a B-shaped core and a cavity is a cavity for injecting a B pigment and an A-color part two-color composite molding product; this device is through setting up the die cavity in the movable mould portion of mould to set up and detain slider and group round pin, at the in-process of conversion colouring material composite forming goods, make A look portion can shift along with the die cavity, avoid A look portion to wipe the technical scheme who scratches the damage, make the production of double-colored goods, reached the mesh that improves the qualification rate, reduce cost, raises the efficiency.

Description

Double-color mold with cavity moving along with rotation of movable mold

Technical Field

The utility model relates to a double-colored injection moulding mould specifically indicates the double-colored mould that is used for shifting along with the movable mould with the die cavity of the compound injection moulding double-colored goods of plastics of two kinds of chromatism.

Background

The mold for molding the double-color product by double-color injection molding is called as a double-color mold for short; when the injection molding product is applied, one surface facing the outside is called an outer surface or an outer part, and the surface opposite to the outer surface is called a back surface or a back part;

a mark product of an automobile, referred to as a product for short, is composed of two kinds of plastic with different colors, and the outer surface of the product, namely an A color part, requires high light transparency; the back of the color part A is required to be embedded with patterns, namely the color part B, and therefore, the color part A is required to be molded by double-color composite injection molding;

the cavity of the double-color mold in the prior art is positioned at the fixed mold side of the mold, and after a first color plastic part is injection molded in the first color cavity, the first color plastic part needs to be separated from the first color cavity of the fixed mold and move to a second color cavity of the fixed mold along with the rotation of the movable mold core to perform second color material composite molding; in the process of separating the first color plastic part from the first color cavity and embedding the first color plastic part into the second color cavity for the second time, the outer surface of the product is easy to scratch and damage, so that the product has low percent of pass, high comprehensive cost and low production efficiency, and therefore, the prior art has the problems and the defects of low percent of pass, high cost and low efficiency.

Disclosure of Invention

Aiming at the problems and the defects existing in the prior art, the utility model adopts a device consisting of a fixed die carrier plate and a movable die carrier plate, wherein the fixed die carrier plate is a rectangular plate-shaped steel component, and the center of the lower surface of the fixed die carrier plate is bilaterally symmetrical and is respectively provided with an A core and a B core; the A core is a convex core in the shape of the back of the A color part of the molded product, and the A core protrudes out of the lower surface of the left part of the fixed mold carrier plate; the B mold core is a convex core in the shape of the back of the B color part of the molded product, and the B mold core protrudes below the right part of the fixed mold carrier plate; grooves are respectively formed in the fixed die carrier plate at the front and the rear of the core A and are called pressure grooves A, and the centrifugal side groove wall of the pressure groove A is an inclined surface inclined from top to bottom in the centrifugal direction and is called a pressing surface A; grooves are respectively formed in the fixed die carrier plate at the front and the rear positions of the core B and are called pressing grooves B, the centrifugal side groove wall of each pressing groove B is an inclined surface inclined from top to bottom in the centrifugal direction and is called a pressing surface B, a quadrangular column body protruding downwards is arranged in the groove bottom of each pressing groove B and is called a shifting pin, and an inclined surface inclined from top to bottom in the centripetal direction is arranged on the centrifugal side column wall of the shifting pin and is called a pin inclined surface; a wedge groove is arranged between the pressing groove A and the core A and communicated with each other, and the wedge groove is a through groove with a groove bottom inclined from top to bottom towards the center and a wedge-shaped longitudinal section; the wedge groove is also arranged between the pressure groove B and the core B for communication;

the movable mould carrier plate is a rectangular plate-shaped steel component, and the center of the upper surface of the movable mould carrier plate is symmetrically provided with a cavity in the shape of the outer surface of the color part A of the molded product; the movable mould carrier plate is respectively provided with buckling sliding blocks which are connected through buckling groove rails and can slide back and forth at the front and back positions of the cavity; the position of the buckling sliding block corresponds to the positions of the pressure groove A and the pressure groove B of the fixed die carrier plate; the buckling sliding block is a block-shaped steel component, and a centripetal part of the buckling sliding block is provided with a wedge-shaped step flange which is in corresponding sliding fit with the wedge groove and is called a wedge head; a blind hole with the shape corresponding to the poking pin in sliding fit is arranged on the upper surface of the centrifugal part of the buckling sliding block and is called as a poking hole; the centrifugal end of the buckling sliding block is provided with an inclined surface which is correspondingly matched with the pressing surface A and the pressing surface B in a sliding way and is called a block fastening surface;

the fixed die carrier plate is fixed below the fixed die of the die, and the movable die carrier plate is fixed above the movable die of the die; when the die is closed, the lower surface of the fixed die carrier plate is contacted with the upper surface of the movable die carrier plate, and the core A and the core B respectively correspond to a left cavity and a right cavity of the movable die carrier plate;

in the left part of the device, a cavity surrounded by an A-shaped core and a cavity is a cavity of an A-shaped part of a molded product; the buckling sliding block is positioned in the pressing groove A, the wedge head is inserted into a channel defined by the wedge groove of the fixed die carrier plate and the upper surface of the movable die carrier plate, and the buckling sliding block is tightly pressed and fixed by the pressing surface A through the block fastening surface; the centripetal end of the wedge head is inserted into the upper edge opening of the cavity centripetally and contacts with the edge of the A mold core;

in the right part of the device, a cavity surrounded by a B-shaped core and a cavity is a cavity for injecting a B pigment and an A-color part two-color composite molding product; the buckle sliding block is positioned in the B pressing groove, the wedge head is inserted into a channel defined by the wedge groove of the fixed die carrier plate and the upper surface of the movable die carrier plate, the poking pin is inserted into the poking hole, and the B pressing surface tightly presses and fixes the buckle sliding block through a block tightening surface; the centripetal end of the wedge head centrifugally separates from the upper edge opening of the cavity and the edge of the B mold core.

When the device works, a double-color injection molding machine provided with a rotary movable workbench is adopted to perform injection molding of double-color products; firstly, closing a movable die and a fixed die, injecting the color part A of a pigment forming product into a left die cavity of the device by an injection molding machine, then opening the movable die and the fixed die, separating the movable die from the fixed die, rotating the movable die 180 degrees along with a workbench, at the moment, pressing the wedge head on the edge of the color part A, rotating the color part A carrier plate along with the movable die from the left lower part of the fixed die carrier plate to the right lower part of the fixed die carrier plate, then closing the die again, at the moment, a, because the poking pin is inserted into a poking hole of a buckling slide block of a die cavity carrying the color part A, poking the buckling slide block to move towards the centrifugal direction through the poking hole by the pin inclined surface, centrifugally separating the wedge head of the buckling slide block from the upper edge of the die cavity and the edge of the core B, and fixing the buckling slide block by the B; meanwhile, b, the follow-up die carrier plate rotates from the right lower part of the fixed die carrier plate to the opposite-buckling sliding blocks of the cavity at the left lower part of the fixed die carrier plate to push the block fastening surfaces through the A fastening surface, so that the opposite-buckling sliding blocks move centripetally until the centripetal ends of the wedge heads of the opposite-buckling sliding blocks are centripetally inserted into the upper edge opening of the cavity and are in contact with the edge of the A core for resetting; then, the injection molding machine respectively and simultaneously injects the A color part of the A color material molding product to the left cavity of the device, and injects the B color material to the right cavity of the device to mold the B color part, and the B color part and the A color part in the right cavity of the device are formed into the product by two-color composite molding; then, opening the mold again, wherein the product in the right mold cavity of the device is not adhered and held by the wedge head, so that the product is separated from the mold along with the B mold core of the fixed mold, ejected and demolded, and the steps are repeated; this device is through setting up the die cavity in the movable mould portion of mould to set up and detain slider, group round pin, at the in-process of conversion colouring material composite forming goods, make the outside of goods, A colour portion shifts along with the die cavity promptly, avoids A colour portion to wipe the technical scheme who draws the damage, provides a double-colored mould of die cavity along with movable mould swivelling movement, aims at making the production of double-colored goods, reaches the purpose that improves the qualification rate, reduce cost, raises the efficiency.

The purpose of the utility model is realized like this: the utility model provides a double-colored mould of die cavity along with movable mould rotary motion, includes cover half support plate and movable mould support plate, wherein: the fixed die carrier plate is a rectangular plate-shaped steel component, and the center of the lower surface of the fixed die carrier plate is bilaterally symmetrical and is respectively provided with an A core and a B core; the A core is a convex core in the shape of the back of the A color part of the molded product, and the A core protrudes out of the lower surface of the left part of the fixed mold carrier plate; the B mold core is a convex core in the shape of the back of the B color part of the molded product, and the B mold core protrudes below the right part of the fixed mold carrier plate; grooves are respectively formed in the fixed die carrier plate at the front and the rear of the core A and are called pressure grooves A, and the centrifugal side groove wall of the pressure groove A is an inclined surface inclined from top to bottom in the centrifugal direction and is called a pressing surface A; grooves are respectively formed in the fixed die carrier plate at the front and the rear positions of the core B and are called pressing grooves B, the centrifugal side groove wall of each pressing groove B is an inclined surface inclined from top to bottom in the centrifugal direction and is called a pressing surface B, a quadrangular column body protruding downwards is arranged in the groove bottom of each pressing groove B and is called a shifting pin, and an inclined surface inclined from top to bottom in the centripetal direction is arranged on the centrifugal side column wall of the shifting pin and is called a pin inclined surface; a wedge groove is arranged between the pressing groove A and the core A and communicated with each other, and the wedge groove is a through groove with a groove bottom inclined from top to bottom towards the center and a wedge-shaped longitudinal section; the wedge groove is also arranged between the pressure groove B and the core B for communication;

the movable mould carrier plate is a rectangular plate-shaped steel component, and the center of the upper surface of the movable mould carrier plate is symmetrically provided with a cavity in the shape of the outer surface of the color part A of the molded product; the movable mould carrier plate is respectively provided with buckling sliding blocks which are connected through buckling groove rails and can slide back and forth at the front and back positions of the cavity; the position of the buckling sliding block corresponds to the positions of the pressure groove A and the pressure groove B of the fixed die carrier plate; the buckling sliding block is a block-shaped steel component, and a centripetal part of the buckling sliding block is provided with a wedge-shaped step flange which is in corresponding sliding fit with the wedge groove and is called a wedge head; a blind hole with the shape corresponding to the poking pin in sliding fit is arranged on the upper surface of the centrifugal part of the buckling sliding block and is called as a poking hole; the centrifugal end of the buckling sliding block is provided with an inclined surface which is correspondingly matched with the pressing surface A and the pressing surface B in a sliding way and is called a block fastening surface;

the fixed die carrier plate is fixed below the fixed die of the die, and the movable die carrier plate is fixed above the movable die of the die; when the die is closed, the lower surface of the fixed die carrier plate is contacted with the upper surface of the movable die carrier plate, and the core A and the core B respectively correspond to a left cavity and a right cavity of the movable die carrier plate;

in the left part of the device, a cavity surrounded by an A-shaped core and a cavity is a cavity of an A-shaped part of a molded product; the buckling sliding block is positioned in the pressing groove A, the wedge head is inserted into a channel defined by the wedge groove of the fixed die carrier plate and the upper surface of the movable die carrier plate, and the buckling sliding block is tightly pressed and fixed by the pressing surface A through the block fastening surface; the centripetal end of the wedge head is inserted into the upper edge opening of the cavity centripetally and contacts with the edge of the A mold core;

in the right part of the device, a cavity surrounded by a B-shaped core and a cavity is a cavity for injecting a B pigment and an A-color part two-color composite molding product; the buckle sliding block is positioned in the B pressing groove, the wedge head is inserted into a channel defined by the wedge groove of the fixed die carrier plate and the upper surface of the movable die carrier plate, the poking pin is inserted into the poking hole, and the B pressing surface tightly presses and fixes the buckle sliding block through a block tightening surface; the centripetal end of the wedge head centrifugally separates from the upper edge opening of the cavity and the edge of the B mold core.

Description of the drawings: the buckling groove rail refers to a sliding groove and a sliding rail which are correspondingly buckled and connected in a sliding manner, for example, a groove and a rail with a T-shaped cross section or a groove and a rail with a V-shaped cross section;

the centripetal direction is a direction orthogonally pointing to the center line of the left direction and the right direction of the fixed die carrier plate or the movable die carrier plate; the centrifugation is in the direction opposite to the centripetal direction;

the direction surface expressed by the structure is divided into an upper surface, a lower surface, a left surface, a right surface, a front surface and a rear surface, wherein the front surface is a surface facing the front view of the device, and the rear surface is a surface opposite to the front surface.

Working principle and beneficial effects

The device adopts a double-color injection molding machine provided with a rotary movable workbench to perform injection molding of double-color products;

firstly, closing a movable die and a fixed die, injecting the color part A of a pigment forming product into a left die cavity of the device by an injection molding machine, then opening the movable die and the fixed die, separating the movable die from the fixed die, rotating the movable die 180 degrees along with a workbench, at the moment, pressing the wedge head on the edge of the color part A, rotating the color part A carrier plate along with the movable die from the left lower part of the fixed die carrier plate to the right lower part of the fixed die carrier plate, then closing the die again, at the moment, a, because the poking pin is inserted into a poking hole of a buckling slide block of a die cavity carrying the color part A, poking the buckling slide block to move towards the centrifugal direction through the poking hole by the pin inclined surface, centrifugally separating the wedge head of the buckling slide block from the upper edge of the die cavity and the edge of the core B, and fixing the buckling slide block by the B; meanwhile, b, the follow-up die carrier plate rotates from the right lower part of the fixed die carrier plate to the opposite-buckling sliding blocks of the cavity at the left lower part of the fixed die carrier plate to push the block fastening surfaces through the A fastening surface, so that the opposite-buckling sliding blocks move centripetally until the centripetal ends of the wedge heads of the opposite-buckling sliding blocks are centripetally inserted into the upper edge opening of the cavity and are in contact with the edge of the A core for resetting; then, the injection molding machine respectively and simultaneously injects the A color part of the A color material molding product to the left cavity of the device, and injects the B color material to the right cavity of the device to mold the B color part, and the B color part and the A color part in the right cavity of the device are formed into the product by two-color composite molding; then, opening the mold again, wherein the product in the right mold cavity of the device is not adhered and held by the wedge head, so that the product is separated from the mold along with the B mold core of the fixed mold, ejected and demolded, and the steps are repeated; the device has the advantages that the cavity is arranged at the movable mould part of the mould, and the buckle slide block and the poking pin are arranged, so that the outer surface of a product, namely the A color part, is transferred along with the cavity in the process of converting the pigment composite molded product, and the scratch damage of the outer surface of the A color part is avoided;

the device has the advantages of simple structure and reliable work, the die cavity is arranged on the movable die of the die, the buckle slide block and the poking pin are arranged, the outside of a product, namely the A color part is transferred along with the die cavity in the process of converting the coloring material composite molded product, the A color part is prevented from being scratched and damaged, the production of a double-color product is realized, the qualification rate is improved, the comprehensive cost is reduced, and the production efficiency is improved.

The utility model adopts a device composed of a fixed mold carrier plate and a movable mold carrier plate, wherein the fixed mold carrier plate is provided with a core A, a pressing groove A, a pressing surface A, a core B, a pressing groove B, a pressing surface B, a wedge groove and a shifting pin, and the shifting pin is provided with a pin inclined plane; the movable mould carrier plate is provided with a cavity and a buckle slide block, and the buckle slide block is provided with a shifting hole, a block tightening surface and a wedge head;

the fixed die carrier plate is fixed below the fixed die of the die, and the movable die carrier plate is fixed above the movable die of the die; when the die is closed, the lower surface of the fixed die carrier plate is contacted with the upper surface of the movable die carrier plate, and the core A and the core B respectively correspond to a left cavity and a right cavity of the movable die carrier plate; in the left part of the device, a cavity surrounded by an A-shaped core and a cavity is a cavity of an A-shaped part of a molded product; in the right part of the device, a cavity surrounded by a B-shaped core and a cavity is a cavity for injecting a B pigment and an A-color part two-color composite molding product;

the operation is started, the movable mold and the fixed mold are closed, the injection molding machine only injects the color part A of the color part A molding product to the left mold cavity of the device, then, the movable mold and the fixed mold are opened, the movable mold rotates 180 degrees along with the workbench, at the moment, the wedge head is pressed on the edge of the color part A, so that the color part A carrier plate rotates to the lower right of the fixed mold carrier plate from the lower left of the fixed mold carrier plate, and then, the mold is closed again, at the moment, a, the poking pin is inserted into the poking hole of the buckling slide block of the mold cavity carrying the color part A, the pin inclined surface pokes the buckling slide block to move towards the centrifugal direction through the poking hole, the wedge head centripetal end of the buckling slide block is centrifugally separated from the upper edge of the mold cavity and the edge of the mold core B, and the B pressing surface presses and fixes the buckling; meanwhile, b, the follow-up die carrier plate rotates from the right lower part of the fixed die carrier plate to the opposite-buckling sliding blocks of the cavity at the left lower part of the fixed die carrier plate to push the block fastening surfaces through the A fastening surface, so that the opposite-buckling sliding blocks move centripetally until the centripetal ends of the wedge heads of the opposite-buckling sliding blocks are centripetally inserted into the upper edge opening of the cavity and are in contact with the edge of the A core for resetting; then, the injection molding machine respectively and simultaneously injects the A color part of the A color material molding product to the left cavity of the device, and injects the B color material to the right cavity of the device to mold the B color part, and the B color part and the A color part in the right cavity of the device are formed into the product by two-color composite molding; then, opening the mold again, wherein the product in the right mold cavity of the device is not adhered and held by the wedge head, so that the product is separated from the mold along with the B mold core of the fixed mold, ejected and demolded, and the steps are repeated; this device is through setting up the die cavity in the movable mould portion of mould to set up and detain slider, group round pin, at the in-process of conversion colouring material composite forming goods, make the outside of goods, A colour portion shifts along with the die cavity promptly, avoid A colour portion to wipe the technical scheme who draws the damage, overcome prior art and have had the low in qualification rate, with high costs, the problem and the not enough of inefficiency, the double-colored mould of a die cavity along with movable mould swivelling movement that provides makes the production of double-colored goods, reached the purpose that improves the qualification rate, reduce cost, raise the efficiency.

Drawings

Fig. 1 is a schematic sectional view of a dual-color mold with a cavity moving along with the rotation of a movable mold according to the present invention;

FIG. 2 is a schematic structural view of the side view and the sectional view of the left part of the double-color mold with the cavity moving along with the rotation of the movable mold according to the present invention;

FIG. 3 is a schematic structural view of the side view and the sectional view of the right portion of the bicolor mold with the cavity moving along with the rotation of the movable mold according to the present invention;

FIG. 4 is a schematic view of the fixed mold carrier plate 1 of the bicolor mold of the present invention, wherein the cavity of the fixed mold carrier plate moves with the rotation of the movable mold;

fig. 5 is a schematic top view of the movable mold carrier plate 2 of the double-color mold of the present invention, wherein the cavity of the movable mold moves along with the rotation of the movable mold;

FIG. 6 is a bottom perspective view of color portion 011 of signage article 01 in an automobile;

fig. 7 is a bottom view of a signage article 01 for an automobile.

The invention will be described in more detail below with reference to an exemplary embodiment shown in the drawings, which should not be construed as limiting the invention in any way.

In the figure: the fixed mold carrier plate 1, the A core 11, the A pressing groove 112, the A pressing surface 113, the B core 12, the B pressing groove 121, the B pressing surface 122, the wedge groove 13, the poking pin 14, the pin inclined surface 141, the movable mold carrier plate 2, the cavity 21, the buckle slider 22, the poking hole 221, the block fastening surface 222, the wedge 223, the product 01, the A color part 011, the B color part 012, the fixed mold 02 and the movable mold 03.

Detailed Description

Referring to fig. 1-5, the utility model discloses a double-colored mould of die cavity along with movable mould rotary motion, including cover half support plate 1 and movable mould support plate 2, wherein: the fixed die carrier plate 1 is a rectangular plate-shaped steel component, and the center of the lower surface of the fixed die carrier plate 1 is bilaterally symmetrical and is respectively provided with an A core 11 and a B core 12; the A core 11 is a convex core with the shape of the back face of the A color part 011 of the molded product 01, and the A core 11 protrudes out of the lower face of the left part of the fixed mold carrier plate 1; the B core 12 is a convex core in the shape of the back of the B color part 012 of the molded product 01, and the B core 12 protrudes below the right part of the fixed mold carrier plate 1; the fixed die carrier plate 1 is provided with grooves called A pressure grooves 112 at the front and the rear positions of the A core 11 respectively, and the centrifugal side groove wall of the A pressure groove 112 is an inclined surface inclined from top to bottom in the centrifugal direction and called A pressure surface 113; the fixed die carrier plate 1 is respectively provided with a groove at the front and the rear of the B core 12, which is called a B pressure groove 121, the centrifugal side groove wall of the B pressure groove 121 is an inclined surface inclined from top to bottom in the centrifugal direction, which is called a B pressing surface 122, the bottom of the B pressure groove 121 is provided with a quadrangular column body protruding downwards, which is called a poking pin 14, and the centrifugal side column wall of the poking pin 14 is provided with an inclined surface inclined from top to bottom in the centripetal direction, which is called a pin inclined surface 141; a wedge groove 13 is arranged between the A pressure groove 112 and the A core 11 for communication, and the wedge groove 13 is a through groove with a wedge-shaped longitudinal section, the groove bottom of which is inclined from top to bottom towards the center direction; the wedge groove 13 is also arranged between the B pressure groove 121 and the B core 12 for communication;

the movable mould carrier plate 2 is a rectangular plate-shaped steel component, the centers of the upper surfaces of the movable mould carrier plate 2 are symmetrically provided with mould cavities 21 from left to right, and the mould cavities 21 are cavities with the shapes of the outer surfaces of the A color part 011 of the formed product 01; the movable mould carrier plate 2 is respectively provided with buckling sliding blocks 22 which are connected through buckling groove rails and can slide back and forth at the front and back positions of the cavity 21; the positions of the buckling sliding blocks 22 correspond to the positions of the A pressure groove 112 and the B pressure groove 121 of the fixed die carrier plate 1; the buckling sliding block 22 is a block-shaped steel component, and a wedge-shaped step flange which is correspondingly matched with the wedge groove 13 in a sliding manner in shape is arranged at the centripetal part of the buckling sliding block 22 and is called a wedge head 223; a blind hole with the shape corresponding to the sliding fit of the poking pin 14 is arranged on the centrifugal part of the buckling sliding block 22 and is called a poking hole 221; the centrifugal end of the buckle sliding block 22 is provided with an inclined surface which is correspondingly matched with the A pressing surface 113 and the B pressing surface 122 in a sliding way and is called a block pressing surface 222;

the fixed die carrier plate 1 is fixed below a fixed die 02 of the die, and the movable die carrier plate 2 is fixed above a movable die 03 of the die; when the die is closed, the lower surface of the fixed die carrier plate 1 is contacted with the upper surface of the movable die carrier plate 2, and the core A11 and the core B12 respectively correspond to a left cavity 21 and a right cavity 21 of the movable die carrier plate 2;

in the left part of the device, a cavity surrounded by the A core 11 and the cavity 21 is a cavity of the A color part 011 of the molded product 01; the buckling sliding block 22 is positioned in the pressing groove A112, the wedge 223 is inserted into a channel enclosed by the wedge groove 13 of the fixed die carrier plate 1 and the upper surface of the movable die carrier plate 2, and the buckling sliding block 22 is pressed and fixed by the pressing surface A113 through the block pressing surface 222; the centripetal end of the wedge 223 is centripetally inserted into the upper edge opening of the cavity 21 and contacts with the edge of the A-type core 11;

in the right part of the device, a cavity surrounded by the B core 12 and the cavity 21 is a cavity for injection molding a B pigment and a part 011 of A color to form a two-color composite molded product 01; the fastening sliding block 22 is positioned in the B pressing groove 121, the wedge 223 is inserted into a channel defined by the wedge groove 13 of the fixed die carrier plate 1 and the upper surface of the movable die carrier plate 2, the poking pin 14 is inserted into the poking hole 221, and the fastening sliding block 22 is fastened and fixed by the B pressing surface 122 through the block fastening surface 222; the centripetal end of the wedge 223 is centrifugally separated from the upper rim of the cavity 21 and the edge of the B-core 12.

Description of the drawings: the buckling groove rail refers to a sliding groove and a sliding rail which are correspondingly buckled and connected in a sliding manner, for example, a groove and a rail with a T-shaped cross section or a groove and a rail with a V-shaped cross section;

the centripetal direction is a direction orthogonally pointing to the center line of the left and right directions of the fixed mold carrier plate 1 or the movable mold carrier plate 2; the centrifugation is in the direction opposite to the centripetal direction;

the direction surface expressed by the structure is divided into an upper surface, a lower surface, a left surface, a right surface, a front surface and a rear surface, wherein the front surface is a surface facing the front view of the device, and the rear surface is a surface opposite to the front surface.

Working principle and beneficial effects

The device adopts a double-color injection molding machine provided with a rotary movable workbench to perform injection molding of double-color products;

firstly, closing the movable mold and the fixed mold, injecting the color part A011 of the color part A01 into a left mold cavity of the injection molding machine, then opening the movable mold and the fixed mold, separating the movable mold 03 from the fixed mold 02, rotating the movable mold 03 180 degrees along with a workbench, at the moment, pressing the wedge 223 on the edge of the color part A011, rotating the color part A011 along with the movable mold carrier plate 2 from the left lower part of the fixed mold carrier plate 1 to the right lower part of the fixed mold carrier plate 1, then closing the mold again, at the moment, a, because the poking pin 14 is inserted into the poking hole 221 of the fastening block 22 of the mold cavity 21 carrying the color part A011, poking the pin inclined surface 141 through the poking hole 221 to move the fastening block 22 towards the centrifugal direction, enabling the wedge 223 of the fastening block 22 to centrifugally separate from the upper edge of the mold cavity 21 and the edge of the B mold core 12, and pressing and fixing the fastening block 22 through the block pressing surface 222 by the B pressing; meanwhile, b, the interlocking sliders 22 of the follower mold carrier plate 2 rotating from the right lower side of the fixed mold carrier plate 1 to the cavity 21 at the left lower side of the fixed mold carrier plate 1 push the block fastening surfaces 222 through the A pressing surface 113, so that the interlocking sliders 22 move centripetally until the centripetal ends of the wedge heads 223 of the interlocking sliders 22 are centripetally inserted into the upper edge opening of the cavity 21 and are in contact with the edge of the A core 11 for resetting; then, the injection molding machine simultaneously injects the A color part 011 of the A color material molding product 01 into the left cavity of the device, and injects the B color material into the right cavity of the device to mold the B color part 012, and the B color part 012 and the A color part 011 in the right cavity of the device are compositely molded into the product 01 in two colors; then, the mold is opened again, and the product 01 in the right mold cavity of the device is not adhered and held by the wedge 223, so the product 01 is separated from the mold and is ejected out of the mold along with the B mold core 12 of the fixed mold 02, and the process is repeated; in the device, the cavity 21 is arranged at the movable die 03 part of the die, the buckle slide block 22 and the poking pin 14 are arranged, and in the process of converting the pigment composite molded product 01, the outer surface of the product 01, namely the A color part 011, is transferred along with the cavity 21, so that the scratch damage of the outer surface of the A color part 011 is avoided;

the device has a simple structure and reliable work, the cavity 21 is arranged on the movable die 03 of the die, the buckle slide block 22 and the poking pin 14 are arranged, and in the process of converting the pigment composite molded product 01, the outside of the product 01, namely the A color part 011 is transferred along with the cavity 21, so that the A color part 011 is prevented from scratching and damaging, the production of a double-color product is realized, the qualification rate is improved, the comprehensive cost is reduced, and the production efficiency is improved.

Claims (1)

1. The utility model provides a double-colored mould of die cavity along with movable mould rotary motion, includes cover half support plate (1) and movable mould support plate (2), its characterized in that: the fixed die carrier plate (1) is a rectangular plate-shaped steel component, and the center of the lower surface of the fixed die carrier plate (1) is bilaterally symmetrical and is respectively provided with an A core (11) and a B core (12); the A core (11) is a convex core with the shape of the back face of the A color part 011 of the molded product (01), and the A core (11) protrudes out of the lower face of the left part of the fixed mold carrier plate (1); the B core (12) is a convex core in the shape of the back of the B color part (012) of the molded product (01), and the B core (12) protrudes out of the lower surface of the right part of the fixed mold carrier plate (1); grooves which are called A pressure grooves (112) are respectively arranged at the front and the rear positions of the fixed die carrier plate (1) positioned on the A core (11), and the centrifugal side groove wall of the A pressure groove (112) is an inclined surface which is inclined from top to bottom in the centrifugal direction and is called an A pressing surface 113; the fixed die carrier plate (1) is provided with grooves which are called B pressure grooves (121) respectively at the front and the rear positions of the B core (12), the centrifugal side groove wall of the B pressure groove (121) is an inclined surface inclined from top to bottom in the centrifugal direction and called B pressing surface (122), a quadrangular column body protruding downwards is arranged in the groove bottom of the B pressure groove (121) and called a shifting pin (14), and the centrifugal side column wall of the shifting pin (14) is provided with an inclined surface inclined from top to bottom in the centripetal direction and called a pin inclined surface (141); a wedge groove (13) is arranged between the pressure groove A (112) and the core A (11) and communicated with each other, and the wedge groove (13) is a through groove with a groove bottom inclined from top to bottom towards the center direction and a wedge-shaped longitudinal section; the wedge groove (13) is also arranged between the B pressure groove (121) and the B core (12) for communication;

the movable mould carrier plate (2) is a rectangular plate-shaped steel component, the centers of the upper surfaces of the movable mould carrier plate (2) are symmetrically and bilaterally provided with cavities (21), and the cavities (21) are cavities in the shapes of the outer surfaces of the A color parts (011) of the molded products (01); the movable mould carrier plate (2) is respectively provided with buckling sliding blocks (22) which are connected through buckling groove rails and can slide back and forth at the front and back positions of the cavity (21); the position of the buckling sliding block (22) corresponds to the positions of the pressure groove A (112) and the pressure groove B (121) of the fixed die carrier plate (1); the buckling sliding block (22) is a block-shaped steel component, and a wedge-shaped step flange which is in corresponding sliding fit with the wedge groove (13) in shape is arranged at the centripetal part of the buckling sliding block (22) and is called a wedge head (223); a blind hole (221) with the shape corresponding to the sliding fit of the poking pin (14) is arranged on the centrifugal part of the buckling sliding block (22); the centrifugal end of the buckling sliding block (22) is provided with an inclined surface which is correspondingly matched with the A pressing surface (113) and the B pressing surface (122) in a sliding way and is called a block fastening surface (222);

the fixed die carrier plate (1) is fixed below a fixed die (02) of the die, and the movable die carrier plate (2) is fixed above a movable die (03) of the die; when the die is closed, the lower surface of the fixed die carrier plate (1) is contacted with the upper surface of the movable die carrier plate (2), and the core A (11) and the core B (12) respectively correspond to a left cavity and a right cavity (21) of the movable die carrier plate (2);

in the left part of the device, a cavity surrounded by the A core (11) and the cavity (21) is a cavity of the A color part (011) of a molded product (01); the buckling sliding block (22) is positioned in the A pressing groove (112), the wedge head 223 is inserted into a channel which is defined by the wedge groove (13) of the fixed die carrier plate (1) and the upper surface of the movable die carrier plate (2), and the A pressing surface (113) presses and fixes the buckling sliding block (22) through the block fastening surface (222); the centripetal end of the wedge head (223) is centripetally inserted into the upper edge opening of the cavity (21) and is contacted with the edge of the A core (11);

in the right part of the device, a cavity enclosed by a B core (12) and a cavity (21) is a cavity for injection molding a B pigment and A color part (011) two-color composite molded product (01); the buckling sliding block (22) is positioned in the B pressing groove (121), the wedge head (223) is inserted into a channel which is defined by the wedge groove (13) of the fixed die carrier plate (1) and the upper surface of the movable die carrier plate (2), the poking pin (14) is inserted into the poking hole (221), and the B pressing surface (122) presses and fixes the buckling sliding block (22) through the block fastening surface (222); the centripetal end of the wedge head (223) is centrifugally separated from the upper edge of the cavity (21) and the edge of the B-shaped core (12).

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