A high-efficiency two-color injection mold with a rotating cavity plate

Abstract

The invention discloses a rotary cavity plate type high-efficiency two-color injection mold, comprising a rotary cavity plate (1), a rotary mechanism (2), an outer slide block (3), a core (4), a lifting plate (5), a fixed mold cavity and an inclined guide column. The rotary cavity plate used in the invention is provided with a cavity hole and a snap-fitting slide groove; the rotary mechanism is composed of a rotating shaft, a gear, a rack and an oil cylinder; the outer slide block is provided with a snap-fitting slide rail, a pressing inclined surface, an inclined guide hole, a telescopic pin and a spring; the core includes a W skeleton core, a W soft edge core, a Z skeleton core and a Z soft edge core; the inclined guide column is a steel component with a rectangular cross section; by arranging the rotary cavity plate, the rotary mechanism and the outer slide block, the device can adopt a double-material injection molding machine to carry out continuous injection molding of two-color products, so that the production of two-color products can achieve the purpose of improving efficiency and reducing costs.

Description

Technical Field

[0001] The present invention relates to a two-color injection mold, in particular to a high-efficiency two-color injection mold of a rotary cavity plate type for injection molding two-color products of automobile air-conditioning dampers; Background Art

[0002] Note: Two-color injection molding molds are referred to as two-color molds. Two-color molds are molds used for composite injection molding of hard and soft plastics. Two-color composite products are referred to as two-color products.

[0003] A car air conditioning damper, see Figure 8 to Figure 11 , is a two-color product formed by a composite of hard plastic and soft plastic; the two-color mold in the prior art usually uses a rotary two-color injection molding machine with a rotary movable worktable to injection mold the two-color product. The rotary two-color injection molding machine is expensive and has high operating costs. Compared with ordinary injection molding machines without a rotary movable worktable, the operating efficiency is low; therefore, the prior art has the problems and shortcomings of low efficiency and high cost. Summary of the invention

[0004] In view of the problems and shortcomings of the above-mentioned prior art, the present invention adopts a device composed of a rotating cavity plate, a rotating mechanism, an outer slider, a core, a lifting plate, a fixed mold cavity, and an inclined guide column, wherein the rotating cavity plate is a rectangular plate-shaped steel component, and cavity holes for forming the periphery of the W product and the Z product are respectively provided at the left and right parts of the rotating cavity plate, and the centripetal and centrifugal sides of the cavity holes are provided with snap-fitting grooves corresponding to the outer slider; the core is a block-shaped steel component with the lower surface of the W product and the Z product formed on it; in the core: the core body corresponding to the W skeleton of the W product is called the W skeleton core, the core body corresponding to the W soft edge of the W product is called the W soft edge core, the core body corresponding to the Z skeleton of the Z product is called the Z skeleton core, and the core body corresponding to the Z soft edge of the Z product is called the Z soft edge core; the W skeleton core and the Z skeleton core are protruded and fixed on the left part of the upper surface of the dynamic mold carrier plate in parallel, and the W soft edge core and the Z soft edge core are protruded and fixed on the right part of the upper surface of the dynamic mold carrier plate in parallel, and the rotating The cavity plate is located above the dynamic mold carrier plate, and the cavity hole is slidably sleeved on the outside of the W skeleton core, the Z skeleton core and the W soft edge core, and the Z soft edge core; the rotating mechanism is composed of a rotating shaft, a gear, a rack and an oil cylinder, the rotating shaft is a cylindrical rod-shaped steel component with a keyway groove on the cylindrical surface, the gear is a cylindrical spur gear with a keyway, the rack is a rectangular rod-shaped steel component with trapezoidal teeth on one side, and the oil cylinder is a hydraulic telescopic actuator composed of a cylinder body and a piston rod; the cylinder of the gear and the rotating shaft is connected to the keyway groove through the keyway, the teeth of the gear are meshed with the teeth of the rack, the piston rod of the oil cylinder is fixedly connected to one end of the rack, and the cylinder body of the oil cylinder is fixedly connected to the dynamic mold carrier plate; the rotating shaft slides through the dynamic mold carrier plate, the upper end of the rotating shaft is fixedly connected to the center of the rotating cavity plate, and the lower end of the rotating shaft is fixedly connected to the lifting plate for horizontal rotation; The lifting plate is a rectangular plate-shaped steel component, which is located above the bottom plate of the mold and is connected to the tail top of the injection molding machine when in use. The lifting plate is dragged by the tail top of the injection molding machine when working; the outer slider is a rectangular block-shaped steel component, and the front and rear sides of the outer slider are respectively provided with snap-fitting slide rails that slide with the snap-fitting slide grooves. The centripetal side of the outer slider is provided with a core surface for forming W products and Z products, and the centrifugal side of the outer slider is provided with an inclined surface inclined from top to bottom to the centrifugal direction, which is called a clamping inclined surface. The outer slider is provided with an inclined guide hole adjacent to the clamping inclined surface. The inclined guide hole is a through hole inclined from top to bottom in the centrifugal direction and having a rectangular cross section. A telescopic pin is provided in the middle of the upper side of the inclined guide hole. The telescopic pin is a wedge-shaped block-shaped steel component with an inclined surface on one side. The telescopic pin is provided with a spring top contraction. The telescopic pin divides the inclined guide hole into a centripetal part and a centrifugal part. The telescopic pin is extended in a normal state to cut off the channel between the centripetal part and the centrifugal part of the inclined guide hole. When the inclined surface of the telescopic pin is subjected to a centripetal thrust, the telescopic pin is retracted into the front and rear side walls of the inclined guide hole to open the channel between the centripetal part and the centrifugal part of the inclined guide hole; the outer slider can be slidably connected to the left and right sides of the cavity hole of the rotating cavity plate through the buckling slide rail and the buckling slide groove;The fixed mold cavity is a mold cavity provided with a mold surface for forming the W product and the Z product. The fixed mold cavity is located below the fixed mold of the mold. The fixed mold cavity corresponds to the W skeleton core, the W soft edge core, the Z skeleton core and the Z soft edge core. The inclined guide column is a steel component with a rectangular cross section. The inclined guide column protrudes and is fixed to the lower right side of the fixed mold of the mold. The inclined guide column is inclined from top to bottom in the centrifugal direction. The position of the inclined guide column corresponds to the inclined guide hole of the outer slide block.

[0005] When the mold is closed, the fixed mold cavity, the mold core, the mold cavity hole and the outer slide block form a mold cavity for molding W products and Z products; the inclined guide pin is inserted into the centripetal part of the inclined guide hole of the outer slide block located on the right side of the rotating cavity plate;

[0006] Description: Adding a barrel to an ordinary injection molding machine forms a double-barrel injection molding machine with a non-rotating movable worktable, referred to as a double-material injection molding machine. The double-material injection molding machine has low cost and high operating efficiency.

[0007] When used, the device uses the double-material injection molding machine to perform injection molding of double-color products; specifically, At the start of work, the double-material injection molding machine only injects the W skeleton and the Z skeleton into the mold cavity of the W skeleton and the Z skeleton located on the left side of the device, and then the movable fixed mold is opened, and the movable mold is separated from the fixed mold. At this time, the inclined pressure surface of the fixed mold is separated from the clamping inclined surface, and the inclined guide column is blocked by the telescopic pin due to its movement in the centrifugal direction. The inclined guide column moves the outer slider located on the right side of the rotating cavity plate in the centrifugal direction to the lower end of the inclined guide column through the telescopic pin to separate from the inclined guide hole. At the same time, the tail top of the injection molding machine drives the rotating shaft to push the rotating cavity plate carrying the W skeleton and the Z skeleton upward to separate from the core through the lifting plate. After that, the oil cylinder drives the rack to drive the rotating shaft and the rotating cavity plate to rotate horizontally 180° through the gear, that is, the W skeleton and the Z skeleton are rotated from the left part of the device to the right part of the device with the rotating cavity plate. After that, the movable fixed mold is closed again, and the tail top of the injection molding machine drives the rotating cavity plate pulled by the rotating shaft through the lifting plate to be assembled downward with the core, so that the W skeleton and the Z skeleton are combined with the W soft edge core and Z located on the right side of the device. The soft edge core is engaged, and at the same time, the inclined pressure surface of the fixed mold resets and presses the outer slider through the pressing inclined surface, and the inclined guide column is inserted from the centrifugal part of the inclined guide hole, and the centripetal thrust of the inclined guide column pushes and shrinks the telescopic pin, and the inclined guide column slides from the centrifugal part of the inclined guide hole toward the central part to reset, and the telescopic pin also pops out and resets. After that, the two barrels of the double-material injection molding machine simultaneously inject and mold the W skeleton, Z skeleton and W soft edge, Z soft edge into the mold cavities located on the left and right parts of the device respectively. The products with soft edges compositely molded in the right mold cavity of the device are called W products and Z products. After that, the movable fixed mold is opened again, and the process is the same as above. When the inclined guide column again drives the outer slider located on the right side of the rotating cavity plate to move in the centrifugal direction, the W product and the Z product automatically fall and demold; After that, the movable fixed mold is closed again and injection molded again. Such a technical scheme that repeats itself provides a high-efficiency two-color injection mold of a rotating cavity plate type, which aims to improve the efficiency and reduce the cost of the production of two-color products.

[0008] The object of the present invention is achieved as follows: a high-efficiency two-color injection mold of a rotating cavity plate type, comprising a rotating cavity plate, a rotating mechanism, an outer slider, a core, a lifting plate, a fixed mold cavity, and an inclined guide column, wherein: the rotating cavity plate is a rectangular plate-shaped steel component, and the left and right parts of the rotating cavity plate are respectively provided with cavity holes for molding W products and Z products, and the centripetal and eccentric sides of the cavity hole are provided with snap-fitting grooves corresponding to the outer slider;

[0009] The core is a block-shaped steel component with a W product and a Z product forming surface on the upper surface; in the core: the core corresponding to the W skeleton of the W product is called the W skeleton core, the core corresponding to the W soft edge of the W product is called the W soft edge core, the core corresponding to the Z skeleton of the Z product is called the Z skeleton core, and the core corresponding to the Z soft edge of the Z product is called the Z soft edge core; the W skeleton core and the Z skeleton core are protruding and fixed on the left part of the upper surface of the dynamic mold carrier plate in parallel, the W soft edge core and the Z soft edge core are protruding and fixed on the right part of the upper surface of the dynamic mold carrier plate in parallel, the rotating cavity plate is located on the upper surface of the dynamic mold carrier plate, and the cavity hole is slidably sleeved on the outside of the W skeleton core, the Z skeleton core, the W soft edge core, and the Z soft edge core;

[0010] The rotating mechanism is composed of a rotating shaft, a gear, a rack and an oil cylinder. The rotating shaft is a cylindrical rod-shaped steel component with a keyway groove on the cylindrical surface, the gear is a cylindrical spur gear with a keyway groove, the rack is a rectangular rod-shaped steel component with a trapezoidal tooth on one side, and the oil cylinder is a hydraulic telescopic actuator composed of a cylinder body and a piston rod; the cylinder of the gear and the rotating shaft is connected to the keyway groove through the keyway groove, the teeth of the gear are meshed with the teeth of the rack, the piston rod of the oil cylinder is fixedly connected to one end of the rack, and the cylinder body of the oil cylinder is fixedly connected to the dynamic mold carrier plate; the rotating shaft slides through the dynamic mold carrier plate, the upper end of the rotating shaft is fixedly connected to the center of the rotating cavity plate, and the lower end of the rotating shaft is fixedly connected to the lifting plate for horizontal rotation;

[0011] The lifting plate is a rectangular plate-shaped steel component, which is located above the bottom plate of the mold and is connected to the tail top of the injection molding machine when in use. When working, the lifting plate is dragged by the tail top of the injection molding machine;

[0012] The outer slider is a rectangular block-shaped steel component. The front and rear sides of the outer slider are respectively provided with snap-fitting slide rails that slide with the snap-fitting slide grooves. The centripetal side of the outer slider is provided with a core surface for forming W products and Z products. The centrifugal side of the outer slider is provided with an inclined surface that is inclined from top to bottom in the centrifugal direction, called a clamping inclined surface. The outer slider is provided with an inclined guide hole adjacent to the clamping inclined surface. The inclined guide hole is a through hole that is inclined from top to bottom in the centrifugal direction and has a rectangular cross-section. A telescopic pin is provided in the middle of the upper side of the inclined guide hole. The retractable pin is a wedge-shaped block steel component with an inclined surface on one side. The retractable pin is provided with a spring to retract. The retractable pin divides the inclined guide hole into a centripetal part and a centrifugal part. The retractable pin is extended in a normal state to cut off the channel between the centripetal part and the centrifugal part of the inclined guide hole. When the inclined surface of the retractable pin is subjected to a centripetal thrust, the retractable pin retracts into the front and rear side walls of the inclined guide hole to open the channel between the centripetal part and the centrifugal part of the inclined guide hole. The outer slider can be slidably connected to the left and right sides of the cavity hole of the rotating cavity plate through the buckling slide rail and the buckling slide groove.

[0013] The fixed mold cavity is a mold cavity provided with a mold surface for molding W products and Z products. The fixed mold cavity is located below the fixed mold of the mold. The fixed mold cavity corresponds to the W skeleton core, W soft edge core, Z skeleton core and Z soft edge core.

[0014] The oblique guide column is a steel component with a rectangular cross section. The oblique guide column protrudes and is fixed on the lower right side of the fixed mold of the mold. The oblique guide column is inclined from top to bottom in the centrifugal direction. The position of the oblique guide column corresponds to the oblique guide hole of the outer slide block.

[0015] When the mold is closed, the fixed mold cavity, the core, the cavity hole and the outer slide block form a mold cavity for forming W products and Z products; the inclined guide pin is inserted into the centripetal part of the inclined guide hole of the outer slide block located on the right side of the rotating cavity plate.

[0016] Note: The buckled slide groove and the buckled slide rail are slide grooves and slide rails that are buckled and slidably connected with each other, for example, a groove rail with a T-shaped cross section and a groove rail with a V-shaped cross section;

[0017] The centripetal direction in this article refers to the direction orthogonal to the center line of the front-to-back direction of the cavity hole; the centrifugal direction is the direction opposite to the centripetal direction;

[0018] The directional surfaces described in the above structure are divided into top, bottom, left, right, front and back, wherein the front is the surface facing the main view of the device, and the back is the surface opposite to the front.

[0019] Working principle and beneficial effects

[0020] Description: Adding a barrel to an ordinary injection molding machine forms a double-barrel injection molding machine with a non-rotating movable worktable, referred to as a double-material injection molding machine. The double-material injection molding machine has low cost and high operating efficiency.

[0021] When used, the device uses the double-material injection molding machine to perform injection molding of double-color products;

[0022] Specifically, at the start of work, the double-material injection molding machine only injects the W skeleton and the Z skeleton into the mold cavity of the W skeleton and the Z skeleton located on the left part of the device, and then the movable fixed mold is opened, and the movable mold is separated from the fixed mold. At this time, the inclined pressure surface of the fixed mold is separated from the clamping inclined surface, and the inclined guide column is blocked by the telescopic pin due to its movement in the centrifugal direction. The inclined guide column moves the outer sliding block located on the right side of the rotating cavity plate in the centrifugal direction to the lower end of the inclined guide column through the telescopic pin to separate from the inclined guide hole. At the same time, the tail top of the injection molding machine drives the rotating shaft to push the rotating cavity plate carrying the W skeleton and the Z skeleton upward to separate from the core through the lifting plate. After that, the oil cylinder drives the rack to drive the rotating shaft and the rotating cavity plate to rotate horizontally 180° through the gear, that is, the W skeleton and the Z skeleton are rotated from the left part of the device to the right part of the device along with the rotating cavity plate. After that, the movable fixed mold is closed again, and the tail top of the injection molding machine drives the rotating cavity plate pulled by the rotating shaft through the lifting plate downward to assemble with the core, so that the W skeleton and the Z skeleton are combined with the W skeleton located on the right part of the device. The soft edge core and the Z soft edge core are embedded. At the same time, the inclined pressure surface of the fixed mold resets and presses the outer slider through the pressing inclined surface, and the inclined guide column is inserted from the centrifugal part of the inclined guide hole. The centripetal thrust of the inclined guide column pushes and shrinks the telescopic pin, and the inclined guide column slides from the centrifugal part of the inclined guide hole toward the central part to reset, and the telescopic pin also pops out and resets. After that, the two barrels of the double-material injection molding machine simultaneously inject and mold the W skeleton, Z skeleton and W soft edge, Z soft edge into the mold cavities located on the left and right parts of the device respectively. The products with soft edges compositely molded in the right mold cavity of the device are called W products and Z products. After that, the movable fixed mold is opened again, and the process is the same as above. When the inclined guide column again drives the outer slider located on the right side of the rotating cavity plate to move in the centrifugal direction, the W product and the Z product automatically fall and demold; after that, the movable fixed mold is closed again, and injection molding is performed again, and this cycle is repeated; because the double-material injection molding machine has low cost and high operating efficiency, the device uses a rotating cavity plate, a rotating mechanism, and an outer slider. The device can adopt a double-material injection molding machine to perform injection molding of double-color products, thereby improving production efficiency and reducing comprehensive costs.

[0023] The device has a simple structure and reliable operation. By rotating the cavity plate, rotating mechanism and outer slide block, the device can use the double-material injection molding machine to perform continuous injection molding of double-color products, thereby improving the production efficiency and reducing the overall cost of the production of double-color products.

[0024] As mentioned above, the present invention adopts a device composed of a rotating cavity plate, a rotating mechanism, an outer slider, a core, a lifting plate, a fixed mold cavity, and an inclined guide column, wherein the rotating cavity plate is provided with a mold cavity hole and a buckling slide groove; the rotating mechanism is composed of a rotating shaft, a gear, a rack and an oil cylinder; the outer slider is provided with a buckling slide rail, a clamping inclined surface, an inclined guide hole, a telescopic pin, and a spring; the core includes a W skeleton core, a W soft edge core, a Z skeleton core, and a Z soft edge core; the lifting plate is located on the top of the mold bottom plate, and is connected to the tail top of the injection molding machine when in use, and the lifting plate is dragged by the tail top of the injection molding machine when working; the fixed mold cavity is a cavity provided with a molded W product and a Z product upper surface profile; the inclined guide column is a steel component with a rectangular cross section;

[0025] When the mold is closed, the fixed mold cavity, the mold core, the mold cavity hole and the outer slide block form a mold cavity for molding W products and Z products; the inclined guide pin is inserted into the channel of the inclined guide hole of the outer slide block located on the right side of the rotating cavity plate; when used, the device adopts the double-material injection molding machine to perform injection molding of double-color products;

[0026] At the start of work, the double-material injection molding machine only injects the W skeleton and the Z skeleton into the mold cavity of the W skeleton and the Z skeleton located on the left part of the device. After that, the movable fixed mold opens the mold, and the inclined guide column drives the outer sliding block located on the right side of the rotating cavity plate to move in the centrifugal direction to the lower end of the inclined guide column to disengage from the inclined guide hole. At the same time, the tail top of the injection molding machine drives the rotating shaft to push the rotating cavity plate carrying the W skeleton and the Z skeleton upward to disengage from the core through the lifting plate. After that, the rotating mechanism drives the rotating cavity plate to rotate horizontally 180°, and the W skeleton and the Z skeleton are rotated from the left part of the device to the right part of the device along with the rotating cavity plate. After that, the movable fixed mold is closed again, and the tail top of the injection molding machine drives the rotating cavity plate pulled by the rotating shaft to be assembled downward with the core through the lifting plate, so that the W skeleton and the Z skeleton are engaged with the W soft edge core and the Z soft edge core located on the right part of the device. At the same time, the inclined pressing surface of the fixed mold pushes the outer sliding block through the pressing inclined surface. The block is pressed and reset, the inclined guide column is inserted into the centrifugal part of the inclined guide hole and pushes the telescopic pin, slides into the centripetal part of the inclined guide hole to reset, and the telescopic pin is reset accordingly. After that, the two barrels of the double-material injection molding machine simultaneously inject and mold the W skeleton, Z skeleton and W soft edge, Z soft edge into the mold cavities located on the left and right parts of the device respectively. The products with soft edges compound molded in the right mold cavity of the device are called W products and Z products. After that, the movable fixed mold is opened again, and the process is the same as above. When the inclined guide column again drives the outer sliding block located on the right side of the rotating cavity plate to move outward, the W product and the Z product are automatically demolded and fall down; after that, the movable fixed mold is closed again and injection molded again. Such a cyclic technical scheme overcomes the problems and shortcomings of low efficiency and high cost in the prior art. A rotary cavity plate type high-efficiency two-color injection mold is provided, which enables the production of two-color products to achieve the purpose of improving efficiency and reducing costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1It is a high-efficiency two-color injection mold of a rotating cavity plate type of the present invention, and is a schematic diagram of the main cross-sectional structure when the rotating mechanism 2 drives the rotating cavity plate 1 to rotate horizontally 180°, and the fixed mold and the product part are omitted in the figure;

[0028] Figure 2 yes Figure 1 Schematic diagram of top view projection;

[0029] Figure 3 It is a high-efficiency two-color injection mold of a rotary cavity plate type of the present invention, and is a side cross-sectional schematic diagram in a mold closing state, in which the fixed mold and the product part are omitted;

[0030] Figure 4 yes Figure 2 The enlarged view of the lead-out of the middle A part;

[0031] Figure 5 yes Figure 2 The enlarged view of the lead-out of the middle B section;

[0032] Figure 6 yes Figure 2 The enlarged view of the lead-out after the middle C part is rotated 90°;

[0033] Figure 7 yes Figure 6 A schematic bottom-up cross-sectional view of

[0034] Figure 8 It is an axonometric diagram of a W frame 021 of an automobile air conditioning damper;

[0035] Fig. 9 It is an axonometric diagram of a Z frame 031 of an automobile air conditioning damper;

[0036] Fig.10 It is an axonometric diagram of a W product 02 of an automobile air conditioning damper;

[0037] Fig.11 It is an axonometric diagram of a Z product 03 of an automobile air-conditioning damper.

[0038] The present invention will be further described in detail below in conjunction with the embodiments in the accompanying drawings, but this should not be construed as any limitation to the present invention.

[0039] In the figure: rotating cavity plate 1, cavity hole 11, snap-fitting slide groove 111, rotating mechanism 2, rotating shaft 21, gear 22, rack 23, cylinder 24, outer slide block 3, snap-fitting slide rail 30, pressing inclined surface 31, inclined guide hole 32, telescopic pin 33, spring 34, core 4, W skeleton core 41, W soft edge core 42, Z skeleton core 43, Z soft edge core 44, lifting plate 5, dynamic mold carrier plate 01, W product 02, W skeleton 021, W soft edge 022, Z product 03, Z skeleton 031, Z soft edge 032. DETAILED DESCRIPTION

[0040] See also Figure 1 to Figure 7 The present invention discloses a rotary cavity plate type high-efficiency two-color injection mold, comprising a rotary cavity plate 1, a rotary mechanism 2, an outer slider 3, a core 4, a lifting plate 5, a fixed mold cavity, and an inclined guide column, wherein: the rotary cavity plate 1 is a rectangular plate-shaped steel component, and the left and right parts of the rotary cavity plate 1 are respectively provided with cavity holes 11 for molding the periphery of the W product 02 and the Z product 03, and the centripetal and eccentric sides of the cavity hole 11 are provided with snap-fitting grooves 111 corresponding to the outer slider 3;

[0041] The core 4 is a block-shaped steel component with a molding surface for forming W product 02 and Z product 03 below. In the core 4, the core corresponding to the W skeleton 021 of the W product 02 is called the W skeleton core 41, the core corresponding to the W soft edge 022 of the W product 02 is called the W soft edge core 42, the core corresponding to the Z skeleton 031 of the Z product 03 is called the Z skeleton core 43, and the core corresponding to the Z soft edge 032 of the Z product 03 is called the Z soft edge core 44; the W skeleton core 41 and the Z skeleton core 43 are protruding and fixed on the left part of the upper surface of the dynamic mold carrier plate 01 in parallel, the W soft edge core 42 and the Z soft edge core 44 are protruding and fixed on the right part of the upper surface of the dynamic mold carrier plate 01 in parallel, the rotating cavity plate 1 is located on the upper surface of the dynamic mold carrier plate 01, and the cavity hole 11 is slidably sleeved on the outer sides of the W skeleton core 41, the Z skeleton core 43 and the W soft edge core 42, and the Z soft edge core 44;

[0042] The rotating mechanism 2 is composed of a rotating shaft 21, a gear 22, a rack 23 and an oil cylinder 24. The rotating shaft 21 is a cylindrical rod-shaped steel component with a keyway groove on the cylindrical surface, the gear 22 is a cylindrical spur gear with a keyway groove, the rack 23 is a rectangular rod-shaped steel component with trapezoidal teeth on one side, and the oil cylinder 24 is a hydraulic telescopic actuator composed of a cylinder body and a piston rod; the gear 22 is connected to the cylindrical body of the rotating shaft 21 through the keyway groove, the teeth of the gear 22 are meshed with the teeth of the rack 23, the piston rod of the oil cylinder 24 is fixedly connected to one end of the rack 23, and the cylinder body of the oil cylinder 24 is fixedly connected to the dynamic mold carrier plate 01; the rotating shaft 21 slides through the dynamic mold carrier plate 01, the upper end of the rotating shaft 21 is fixedly connected to the center of the rotating cavity plate 1, and the lower end of the rotating shaft 21 is fixedly connected to the lifting plate 5 for horizontal rotation;

[0043] The lifting plate 5 is a rectangular plate-shaped steel member, which is located above the bottom plate of the mold and is connected to the tail top of the injection molding machine when in use. When working, the lifting plate 5 is dragged by the tail top of the injection molding machine;

[0044] The outer slider 3 is a rectangular block-shaped steel component. The front and rear sides of the outer slider 3 are respectively provided with snap-fitting slide rails 30 that slide with the snap-fitting slide groove 111. The centripetal side of the outer slider 3 is provided with a core surface for forming the W product 02 and the Z product 03. The centrifugal side of the outer slider 3 is provided with an inclined surface inclined from top to bottom in the centrifugal direction, called a clamping inclined surface 31. The outer slider 3 is provided with an inclined guide hole 32 adjacent to the clamping inclined surface 31. The inclined guide hole 32 is a through hole inclined from top to bottom in the centrifugal direction and has a rectangular cross-section. A telescopic pin 33 is provided in the middle of the upper side of the inclined guide hole 32. The telescopic pin 33 3 is a wedge-shaped steel member with an inclined surface on one side. The telescopic pin 33 is provided with a spring 34 to retract. The telescopic pin 33 divides the inclined guide hole 32 into a centripetal part and a centrifugal part. The telescopic pin 33 is extended in a normal state to cut off the channel between the centripetal part and the centrifugal part of the inclined guide hole 32. When the inclined surface of the telescopic pin 33 is subjected to a centripetal thrust, the telescopic pin 33 retracts into the front and rear side walls of the inclined guide hole 32 to open the channel between the centripetal part and the centrifugal part of the inclined guide hole 32. The outer slider 3 can be slidably connected to the left and right sides of the cavity hole 11 of the rotating cavity plate 1 through the buckling slide rail 30 and the buckling slide groove 111;

[0045] The fixed mold cavity is a mold cavity with a molded W product 02 and a Z product 03 upper surface surface, and the fixed mold cavity is located below the fixed mold of the mold, and the fixed mold cavity corresponds to the W skeleton core 41, the W soft edge core 42, the Z skeleton core 43 and the Z soft edge core 44;

[0046] The oblique guide column is a steel component with a rectangular cross section. The oblique guide column protrudes and is fixed to the lower right side of the fixed mold of the mold. The oblique guide column is inclined from top to bottom in the centrifugal direction. The position of the oblique guide column corresponds to the oblique guide hole 32 of the outer slide block 3.

[0047] When the mold is closed, the fixed mold cavity, the core 4, the cavity hole 11 and the outer slider 3 form a mold cavity for molding W product 02 and Z product 03; the inclined guide column is inserted into the centripetal part of the inclined guide hole 32 of the outer slider 3 located on the right side of the rotating cavity plate 1.

[0048] Note: The buckled slide groove and the buckled slide rail are slide grooves and slide rails that are buckled and slidably connected with each other, for example, a groove rail with a T-shaped cross section and a groove rail with a V-shaped cross section;

[0049] The centripetal direction in this article refers to the direction orthogonal to the center line of the front-to-back direction of the cavity hole 11; the centrifugal direction is the direction opposite to the centripetal direction;

[0050] The directional surfaces described in the above structure are divided into top, bottom, left, right, front and back, wherein the front is the surface facing the main view of the device, and the back is the surface opposite to the front.

[0051] Working principle and beneficial effects

[0052] Description: Adding a barrel to an ordinary injection molding machine forms a double-barrel injection molding machine with a non-rotating movable worktable, referred to as a double-material injection molding machine. The double-material injection molding machine has low cost and high operating efficiency.

[0053] When used, the device uses the double-material injection molding machine to perform injection molding of double-color products;

[0054] Specifically, at the start of operation, the double-material injection molding machine only injects W skeleton 021 and Z skeleton 031 into the mold cavity of W skeleton 021 and Z skeleton 031 located on the left side of the device, and then the movable fixed mold is opened, and the movable mold is separated from the fixed mold. At this time, the inclined pressure surface of the fixed mold is separated from the clamping inclined surface 31, and the inclined guide column is blocked by the telescopic pin 33 due to its movement in the centrifugal direction. The inclined guide column moves the outer slider 3 located on the right side of the rotating cavity plate 1 in the centrifugal direction through the telescopic pin 33 to the lower end of the inclined guide column to separate from the inclined guide hole 32. At the same time, the tail top of the injection molding machine drives the rotating shaft 21 to push the rotating cavity plate 1 carrying the W skeleton 021 and the Z skeleton 031 through the lifting plate 5. The cylinder 24 drives the rack 23 to drive the rotating shaft 21 and the rotating cavity plate 1 to rotate horizontally 180° through the gear 22, that is, the W skeleton 021 and the Z skeleton 031 are rotated from the left part of the device to the right part of the device along with the rotating cavity plate 1. After that, the movable mold is closed again, and the tail top of the injection molding machine drives the rotating cavity plate 1 pulled by the rotating shaft 21 to be assembled downward with the core 4 through the lifting plate 5, so that the W skeleton 021 and the Z skeleton 031 are rotated from the left part of the device to the right part of the device. The outer slide block 3 is reset and pressed by the inclined pressing surface 31, and the inclined guide pin is inserted from the centrifugal part of the inclined guide hole 32. The centripetal thrust of the inclined guide pin pushes the telescopic pin 33, and the inclined guide pin slides from the centrifugal part of the inclined guide hole 32 toward the central part to reset, and the telescopic pin 33 is also popped out and reset. After that, the two barrels of the double-material injection molding machine simultaneously inject and mold the W skeleton 021, Z skeleton 031 and W skeleton into the mold cavities located on the left and right parts of the device respectively. Soft edge 022, Z soft edge 032, the products with soft edges compound molded in the right mold cavity of the device are called W product 02 and Z product 03, after which the movable fixed mold is opened again, and the process is the same as above. When the inclined guide column again moves the outer sliding block 3 located on the right side of the rotating cavity plate 1 in the centrifugal direction, the W product 02 and the Z product 03 automatically fall down and are demolded; after which the movable fixed mold is closed again, and injection molding is performed again, and this cycle is repeated; since the double-material injection molding machine has low cost and high operating efficiency, the device can use a double-material injection molding machine to perform injection molding of two-color products through the rotating cavity plate 1, the rotating mechanism 2, and the outer sliding block 3, thereby improving production efficiency and reducing overall cost.

[0055] The device has a simple structure and reliable operation. By rotating the cavity plate 1, the rotating mechanism 2 and the outer slide 3, the device can use the double-material injection molding machine to perform continuous injection molding of double-color products, thereby improving the production efficiency and reducing the overall cost of the production of double-color products.

Claims

1. A high-efficiency two-color injection mold of a rotating cavity plate type, comprising a rotating cavity plate (1), a rotating mechanism (2), an outer slide block (3), a core (4), a lifting plate (5), a fixed mold cavity and an inclined guide column, characterized in that: The rotating cavity plate (1) is a rectangular plate-shaped steel component. The left and right parts of the rotating cavity plate (1) are respectively provided with cavity holes (11) for forming the periphery of the W product (02) and the Z product (03). The centripetal and eccentric sides of the cavity hole (11) are provided with snap-fitting grooves (111) corresponding to the outer slider (3). The core (4) is a block-shaped steel component with a W product (02) and a Z product (03) formed on the upper surface. In the core (4), the core corresponding to the W skeleton (021) of the W product (02) is called the W skeleton core (41), the core corresponding to the W soft edge (022) of the W product (02) is called the W soft edge core (42), the core corresponding to the Z skeleton (031) of the Z product (03) is called the Z skeleton core (43), and the core corresponding to the Z soft edge (032) of the Z product (03) is called the Z skeleton core (43). The core body is called a Z soft edge core (44); the W skeleton core (41) and the Z skeleton core (43) are protruded and fixed on the left part of the movable mold carrier plate (01) in parallel, the W soft edge core (42) and the Z soft edge core (44) are protruded and fixed on the right part of the movable mold carrier plate (01) in parallel, the rotating cavity plate (1) is located on the movable mold carrier plate (01), and the cavity hole (11) is slidably sleeved on the outside of the W skeleton core (41), the Z skeleton core (43) and the W soft edge core (42), and the Z soft edge core (44); The rotating mechanism (2) is composed of a rotating shaft (21), a gear (22), a rack (23) and an oil cylinder (24); the rotating shaft (21) is a cylindrical rod-shaped steel component with a keyway groove on the cylindrical surface; the gear (22) is a cylindrical spur gear with a keyway; the rack (23) is a rectangular rod-shaped steel component with trapezoidal teeth on one side; and the oil cylinder (24) is a hydraulic telescopic actuator composed of a cylinder body and a piston rod; the gear (22) and the rotating shaft (21) are connected to each other. The column is connected to the keyway through the key, the teeth of the gear (22) are meshed with the teeth of the rack (23), the piston rod of the oil cylinder (24) is fixedly connected to one end of the rack (23), and the cylinder body of the oil cylinder (24) is fixedly connected to the movable mold carrier plate (01); the rotating shaft (21) slides through the movable mold carrier plate (01), the upper end of the rotating shaft (21) is fixedly connected to the center of the rotating cavity plate (1), and the lower end of the rotating shaft (21) is fixedly connected to the lifting plate (5) so as to be horizontally rotatable; The lifting plate (5) is a rectangular plate-shaped steel component. The lifting plate (5) is located above the bottom plate of the mold and is connected to the tail top of the injection molding machine when in use. When working, the lifting plate (5) is dragged by the tail top of the injection molding machine. The outer slider (3) is a rectangular block-shaped steel component. The front and rear sides of the outer slider (3) are respectively provided with snap-fitting slide rails (30) that slide with the snap-fitting slide groove (111). The centripetal side of the outer slider (3) is provided with a core surface for forming the W product (02) and the Z product (03). The centrifugal side of the outer slider (3) is provided with an inclined surface inclined from top to bottom in the centrifugal direction, called a clamping inclined surface (31). The outer slider (3) is provided with an inclined guide hole (32) adjacent to the clamping inclined surface (31). The inclined guide hole (32) is a through hole inclined from top to bottom in the centrifugal direction and having a rectangular cross-section. A telescopic pin (33) is provided in the middle of the upper side of the inclined guide hole (32). The telescopic pin (33) is a wedge-shaped block steel member with an inclined surface on one side. The telescopic pin (33) is provided with a spring (34) to push and retract. The telescopic pin (33) divides the inclined guide hole (32) into a centripetal part and a centrifugal part. The telescopic pin (33) is extended in a normal state to cut off the channel between the centripetal part and the centrifugal part of the inclined guide hole (32). When the inclined surface of the telescopic pin (33) is subjected to a centripetal thrust, the telescopic pin (33) is retracted into the front and rear side walls of the inclined guide hole (32), so that the channel between the centripetal part and the centrifugal part of the inclined guide hole (32) is opened. The outer sliding block (3) is slidably connected to the left and right sides of the cavity hole (11) of the rotating cavity plate (1) via the snap-fitting sliding rail (30) and the snap-fitting sliding groove (111); The fixed mold cavity is a mold cavity provided with a top surface for molding the W product (02) and the Z product (03), the fixed mold cavity is located below the fixed mold of the mold, and the fixed mold cavity corresponds to the W skeleton core (41), the W soft edge core (42), the Z skeleton core (43) and the Z soft edge core (44); The inclined guide column is a steel component with a rectangular cross section. The inclined guide column protrudes and is fixed on the lower right side of the fixed mold of the mold. The inclined guide column is inclined from top to bottom in the centrifugal direction. The position of the inclined guide column corresponds to the inclined guide hole (32) of the outer sliding block (3). When the mold is closed, the fixed mold cavity, the mold core (4), the mold cavity hole (11) and the outer slide block (3) form a mold cavity for molding W products (02) and Z products (03); the inclined guide pin is inserted into the centripetal part of the inclined guide hole (32) of the outer slide block (3) located on the right side of the rotating cavity plate (1).

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