A dual-color core-lifting rotary mold

Abstract

This invention discloses a two-color core-lifting rotary mold, comprising a body, the body including a front mold (1) and a rear mold (2). After mold closing, the front mold (1) and the rear mold (2) are provided with a one-color mold cavity for forming a one-color structure (3) and a two-color mold cavity for forming a two-color structure (4). After the product is formed into a one-color structure (3) in the one-color mold cavity, it rotates 180 degrees along the axis of the body and is then placed into the two-color mold cavity to form the two-color structure (4). The body includes a clamping component (5) for holding the one-color structure (3) and moving it towards the two-color mold cavity. After the two-color structure (4) is formed, the clamping component (5) releases its grip on the product to facilitate demolding. This invention provides a two-color core-lifting rotary mold that eliminates the limitations of traditional multi-color structure forming by only requiring the movement of the already formed structure.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of mold, in particular to a double-color core-lifting rotary mold. BACKGROUND

[0002] In the process of multi-color product production, after the structure of one color is completed, the product needs to be moved to another mold cavity and the structure of the subsequent color is completed based on the structure of the color. There are mainly the following ways in the traditional multi-color product production process. One is to place the product with the structure of one color in the mold cavity of the subsequent color after the structure of one color is formed in the mold cavity of one color. However, this forming method not only has low efficiency, but also is prone to positioning deviation of the product in the transfer process, resulting in substandard quality. One is to use the structure characteristics of the product to realize the effect of layer-by-layer forming of the product by using the rear mold base of the forming mold cavity as the tool for transferring the product, such as forming the structure of one color in the mold cavity of one color, and moving the rear mold base with the structure of one color to the mold cavity of two colors to form the mold cavity of two colors with the front mold base of the mold cavity of two colors. However, this forming method needs to move the rear mold base, which is not easy to design a ejector pin structure on the rear mold base, which is not conducive to the demolding of the product. At the same time, this forming method is not suitable for some structures which are not formed from bottom to top, and has obvious limitations. SUMMARY

[0003] The technical problem to be solved by the present application is to provide a double-color core-lifting rotary mold which only needs to move the already formed structure, thereby eliminating the limitations of traditional multi-color structure forming.

[0004] The technical scheme adopted by the present application to solve the above problems is as follows: a double-color core-lifting rotary mold, comprising a body, the body comprising a front mold and a rear mold, a one-color mold cavity for forming a one-color structure of a product and a two-color mold cavity for forming a two-color structure being provided between the front mold and the rear mold after the mold is closed, the product being placed in the two-color mold cavity after being rotated by 180 degrees along the axis of the body after the one-color structure is formed in the one-color mold cavity, the body comprising a clamping assembly for clamping the one-color structure to move the one-color structure to the two-color mold cavity, the clamping assembly being released from clamping the product after the two-color structure is formed to facilitate demolding of the product.

[0005] Compared with the prior art, the advantages of the present application are that: during the movement of the one-color structure from the one-color mold cavity to the two-color mold cavity, only the one-color structure is clamped and moved by the clamping assembly without moving the one-color mold cavity, which not only avoids the repeated recombination of the one-color mold cavity and the two-color mold cavity in the traditional mold, thereby avoiding the damage of the one-color mold cavity or the two-color mold cavity caused by the alignment error during the repeated recombination, but also can use the one-color structure as a component of the forming mold cavity in the two-color mold cavity for forming the two-color structure, and during the forming of the two-color structure, the position of the one-color structure is not limited, the two-color structure can be formed above the one-color structure, or the two-color structure can be formed below the one-color structure, thereby eliminating the limitations of the traditional multi-color mold cavity forming sequence; and the clamping assembly is used for clamping the one-color structure in the one-color mold cavity and releasing the clamping of the one-color structure in the two-color mold cavity to complete the demolding of the product, thereby realizing the uniformity of the clamping of the one-color structure by the clamping assembly, and the product is not repeatedly clamped during the forming process, thereby ensuring the positioning consistency of the product during the forming process, ensuring the forming quality of the product under the condition that the clamping assembly operates normally, and avoiding the damage and positioning deviation of the product caused by multiple clamping operations.

[0006] As an improvement of the present application, the product is provided with a rotating shaft on each side, the rotating shaft is arranged on the one-color structure, the clamping assembly includes two one-color clamping blocks arranged on both sides of the one-color mold cavity and two two-color clamping blocks arranged on both sides of the two-color mold cavity, the one-color clamping block and the two-color clamping block have the same structure, the one-color clamping block is automatically changed into the two-color clamping block when the one-color clamping block rotates from the one-color mold cavity to the two-color mold cavity, and the opposite sides of the two one-color clamping blocks are each provided with a butt column, the two butt columns are respectively used for abutting and fixing the rotating shafts on both sides of the product, the butt column is a component part of the one-color mold cavity in the one-color mold cavity, and the butt column is separated from the rotating shaft after the two-color structure is formed in the two-color mold cavity, through the improvement, the purpose of moving the one-color structure to the two-color mold cavity under the action of the clamping assembly is achieved, wherein the butt column is used as a forming member of the rotating shaft in the one-color mold cavity to form the rotating shaft, thereby ensuring the abutting accuracy and stability of the butt column and the rotating shaft, and the most accurate clamping abutting effect is always maintained before the two-color structure is formed, and it is not necessary to select a suitable area for positioning and clamping after the one-color structure is formed like the traditional clamping tool.

[0007] As an improvement of the present application, the clamping assembly is arranged on a rotating support, the rotating support is fixedly connected to a rotating center shaft, the rotating center shaft is arranged on the axis of the body, and the rotating center shaft is movably connected to the axis of the body, through the improvement, when the one-color structure is moved to the two-color mold cavity, the rotating support is first driven to rotate by 180 degrees after the moving disc moves forward along the axis to the mold direction, i.e. away from the rear mold, thereby realizing the movement of the one-color structure to the two-color mold cavity.

[0008] As an improvement of the present application, two avoiding holes are arranged on the rotating support, one avoiding hole is used for avoiding the one-color mold cavity, and the other avoiding hole is used for avoiding the two-color mold cavity, so as to ensure the smoothness when the rotating support moves along the axis of the body. Through the improvement, because the one-color clamping block and the two-color clamping block are both provided with two blocks, the one-color clamping block and the two-color clamping block need to be exchanged in position during the movement of the one-color structure, and therefore the whole needs to be moved. In order to ensure the uniformity of the exchange, the two one-color clamping blocks and the two two-color clamping blocks are arranged on the rotating support, and at this time, the avoiding holes are needed to avoid the one-color mold cavity and the two-color mold cavity, so as to avoid the interference between the rotating support and the one-color mold cavity and the two-color mold cavity.

[0009] As an improvement of the present application, the two sides of the two two-color clamping blocks are both provided with disengaging slider assemblies, the disengaging slider assemblies are fixedly connected to the front mold, the two sides of the disengaging slider assemblies perpendicular to the clamping direction of the two-color clamping blocks are provided with guide blocks, the two-color clamping blocks are provided with disengaging grooves embedded with the adjacent disengaging slider assemblies, the two sides of the disengaging grooves perpendicular to the clamping direction of the two-color clamping blocks are provided with guide grooves matched with the two guide blocks, and the guide grooves are designed to be inclined. When the front mold moves away from the rear mold with the disengaging slider assemblies, the guide blocks move along the guide grooves to drive the two two-color clamping blocks to move away from each other to release the clamping of the product. Through the improvement, the disengaging slider assemblies are used to release the clamping of the product by the two-color clamping blocks, and the movement path of the front mold moving away from the rear mold and the inclined design of the guide grooves are used to make the two two-color clamping blocks move away from each other during the movement of the front mold moving away from the rear mold, so as to complete the action of releasing the clamping of the product.

[0010] As an improvement of the present application, one end of the guide block is used to move with the guide groove, the other end of the guide block is arranged inside the disengagement slider assembly and is resisted by a guide spring, the side of the guide block close to the clamping direction of the two-color clamping block is provided with a guide buckling slope, the side of the two-color clamping block away from the clamping direction of the two-color clamping block is provided with a guide matching slope matched with the guide buckling slope, when the disengagement slider assembly moves towards the two-color clamping block during mold closing, the guide matching slope is resisted by the guide buckling slope to make the guide block shrink towards the guide spring, so that the guide block is subsequently embedded into the guide groove under the action of the guide spring resetting, through the improvement, after the one-color clamping block rotates 180 degrees to become the two-color clamping block, the two two-color clamping blocks cannot move away from each other and need to keep the clamping state of the two-color clamping block to the one-color structure, the front mold and the disengagement slider assembly need to move close to the rear mold to close the mold, so as to form the two-color structure, at this time, the design that the guide matching slope is resisted by the guide buckling slope to make the guide block shrink towards the guide spring so that the guide block is subsequently embedded into the guide groove under the action of the guide spring resetting, avoids the movement interference between the disengagement slider assembly and the two-color clamping block, ensures that the disengagement slider assembly is successfully embedded into the disengagement groove, and further ensures the smoothness of the mold closing of the front mold and the rear mold and the subsequent movement away from each other of the two two-color clamping blocks driven by the disengagement slider assembly during mold opening.

[0011] As an improvement of the present application, the side of the two-color clamping block close to the rotating support is provided with a moving groove, the moving groove is arranged parallel to the clamping direction of the two-color clamping block, the rotating support is provided with a moving block movably connected with the moving groove, through the improvement, the movement stability of the two two-color clamping blocks moving away from each other under the action of the disengagement slider assembly is ensured, so as to avoid damaging the rotating shaft when the one-color structure is released from clamping, that is, the product forming quality is ensured.

[0012] As an improvement of the present application, the one-color mold cavity is provided with a ejector pin below, the ejector pin is used to eject the one-color structure in the one-color mold cavity to ensure the demolding quality of the one-color structure, the body is provided with a linkage assembly on the side of the one-color mold cavity, when the rotating support moves away from the rear mold, the linkage assembly drives the ejector pin to eject the one-color structure out of the one-color mold cavity, through the improvement, after the one-color structure is formed in the one-color mold cavity, the two sides of the one-color structure drive the one-color structure to demold under the action of the one-color clamping block, at the same time, the ejector pin ejects the one-color structure upward from below to drive the one-color structure to demold, that is, the high-quality demolding of the one-color structure from the one-color mold cavity is ensured.

[0013] As an improvement of the present application, the linkage assembly comprises a linkage block, which is arranged on the edge of the rotating support and arranged perpendicularly to the edge, and one end of the linkage block away from the rotating support is connected with a linkage connecting block, one end of the linkage connecting block is connected with the linkage block, and the other end of the linkage connecting block is fixedly connected with the ejector plate, and the ejector pin is synchronously connected with the ejector plate along the axial direction of the body, through the improvement, when the rotating support moves away from the back mold along the axial direction, the linkage block moves along the axial direction, the linkage block moves along the axial direction through the linkage connecting block, and the ejector pin is ejected from the one-color structure, and the demolding of the one-color structure is completed.

[0014] As an improvement of the present application, the linkage block is connected with the rotating support along the direction perpendicular to the edge, linkage springs are arranged between the linkage block and the rotating support, the side close to the linkage block of the linkage connecting block is provided with a linkage connecting groove, the end of the linkage block away from the linkage springs is matched with the linkage connecting groove, the back mold is fixedly connected with a linkage separating block, the end close to the linkage block of the linkage separating block is provided with a linkage separating guide inclined surface, and the two sides of the linkage block are provided with linkage separating inclined surfaces matched with the linkage separating guide inclined surface, when the rotating support moves away from the back mold along the axial direction, the ejector pin is first driven to eject the one-color structure through the cooperation of the linkage block and the linkage connecting groove, when the linkage separating inclined surface and the linkage separating guide inclined surface abut against each other, the linkage block and the linkage connecting groove start to separate, through the cooperation of the linkage separating guide inclined surface and the linkage separating inclined surface, the linkage springs are contracted, the connection between the linkage block and the linkage connecting groove is released, and thus, the ejector pin is not required to move during the process that the rotating support continuously moves away from the back mold. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the present application.

[0016] Figure 2 It is a schematic diagram of the overall sectional structure of the present application.

[0017] Figure 3 It is a schematic diagram of the internal structure of the present application.

[0018] Figure 4 It is a schematic diagram of the one-color structure connecting structure of the present application (back mold removed).

[0019] Figure 5 It is a schematic diagram of the two-color structure connecting structure of the present application.

[0020] Figure 6 It is a schematic diagram of the rotating support connecting structure of the present application.

[0021] Figure 7It is the two-color clamping block structure schematic diagram of the present application.

[0022] Figure 8 It is the disengagement slider assembly structure schematic diagram of the present application.

[0023] Figure 9 It is the guide block and guide spring connection structure schematic diagram of the present application.

[0024] Figure 10 It is the disengagement slider assembly and two-color clamping block alignment structure schematic diagram of the present application when the mold is closed.

[0025] Figure 11 It is the linkage assembly cross-sectional structure schematic diagram of the present application.

[0026] Figure 12 It is the linkage block, linkage connecting block and linkage disengagement block connection structure schematic diagram of the present application.

[0027] As shown in the figure: 1, front mold, 2, rear mold, 3, one-color structure, 3.1, rotating shaft, 4, two-color structure, 5, clamping assembly, 5.1, one-color clamping block, 5.2, two-color clamping block, 5.2.1, disengagement groove, 5.2.2, guide groove, 5.2.3, guide matching inclined surface, 5.2.4, moving groove, 5.2.5, axial limiting step, 5.3, abutting column, 5.4, rotating support, 5.4.1, avoiding hole, 5.4.2, moving block, 5.4.3, axial limiting block, 6, rotating center shaft, 7, disengagement slider assembly, 7.1, guide block, 7.1.1, guide buckling inclined surface, 7.2, guide spring, 8, ejector pin, 9, linkage assembly, 9.1, linkage block, 9.1.1, linkage disengagement inclined surface, 9.1.2, linkage reset inclined surface, 9.2, linkage connecting block, 9.2.1, linkage connecting groove, 9.3, linkage spring, 10, ejector pin plate, 11, linkage disengagement block, 11.1, linkage disengagement guide inclined surface, 11.2, linkage disengagement reset inclined surface. DETAILED DESCRIPTION

[0028] The embodiments of the present application are further described below in conjunction with the accompanying drawings.

[0029] As Figures 1-3 shown, a double-color core-lifting rotary mold, comprising a body, the body comprising a front mold 1 and a rear mold 2, a one-color mold cavity for forming a one-color structure 3 and a two-color mold cavity for forming a two-color structure 4 are provided between the front mold 1 and the rear mold 2 after the mold is closed, the product is placed into the two-color mold cavity after rotating 180 degrees along the axis of the body after the one-color structure 3 is formed in the one-color mold cavity to form the two-color structure 4, the body comprises a clamping assembly 5 for clamping the one-color structure 3 to drive the one-color structure 3 to move to the two-color mold cavity, the clamping assembly 5 releases the clamping of the product after the formation of the two-color structure 4 is completed to facilitate the ejection of the product.

[0030] As shown in Figures 3-5 , the product is provided with a rotating shaft 3.1 on each side, the rotating shaft 3.1 is arranged on a color structure 3, the clamping assembly 5 includes two one-color clamping blocks 5.1 arranged on both sides of a one-color mold cavity and two two-color clamping blocks 5.2 arranged on both sides of a two-color mold cavity, the one-color clamping block 5.1 and the two-color clamping block 5.2 are the same in structure, the one-color clamping block 5.1 automatically changes into the two-color clamping block 5.2 when it rotates from the one-color mold cavity to the two-color mold cavity, and each of the two one-color clamping blocks 5.1 is provided with an abutting column 5.3 on the opposite side, the two abutting columns 5.3 are used for abutting and fixing the rotating shaft 3.1 on both sides of the product, the abutting column 5.3 is a part of the one-color mold cavity in the one-color mold cavity, and the abutting column 5.3 is separated from the rotating shaft 3.1 after the two-color structure 4 is formed in the two-color mold cavity.

[0031] In the forming process, the two-color structure 4 is formed below the one-color structure 3.

[0032] As shown in Figure 2 , Figure 3 , Figure 6 , the clamping assembly 5 is arranged on a rotating support 5.4, the rotating support 5.4 is fixedly connected to a rotating center shaft 6, the rotating center shaft 6 is arranged on the axis of the body, and the rotating center shaft 6 is movably connected to the axis of the body, the rotating support 5.4 is provided with two avoiding holes 5.4.1, one avoiding hole 5.4.1 is used for avoiding the one-color mold cavity, and the other avoiding hole 5.4.1 is used for avoiding the two-color mold cavity, so as to ensure the smoothness when the rotating support 5.4 moves along the axis of the body. The motor for driving the rotating center shaft 6 to rotate and the hydraulic cylinder for moving along the axis are external devices, which are arranged at the end of the rotating center shaft 6 away from the front mold 1, which is a conventional technology, and Figure 2 , because the mold is in a non-use state, a protective cover is connected to the end of the rotating center shaft 6 away from the front mold 1 for protecting the rotating center shaft 6.

[0033] As shown in Figure 3 , Figures 6-10As shown, the two sides of the two dichromatic clamping blocks 5.2 are provided with disengagement slider assemblies 7, which are fixedly connected to the front mold 1 and are perpendicular to the two sides of the dichromatic clamping block 5.2 clamping direction and are provided with guide blocks 7.1. The dichromatic clamping block 5.2 is provided with disengagement grooves 5.2.1 which are embedded with the adjacent disengagement slider assemblies 7, and the two sides of the disengagement grooves 5.2.1 are provided with guide grooves 5.2.2 which are matched with the two guide blocks 7.1. The guide grooves 5.2.2 are designed to be inclined, and when the front mold 1 with the disengagement slider assemblies 7 moves away from the rear mold 2, the guide blocks 7.1 move along the guide grooves 5.2.2 to drive the two dichromatic clamping blocks 5.2 to move away from each other to release the clamping of the product. One end of the guide block 7.1 is used to move with the guide groove 5.2.2, and the other end of the guide block 7.1 is provided inside the disengagement slider assembly 7 and is abutted with a guide spring 7.2. The side of the guide block 7.1 close to the clamping direction of the dichromatic clamping block 5.2 is provided with a guide buckling inclined surface 7.1.1, and the side of the dichromatic clamping block 5.2 away from the clamping direction of the dichromatic clamping block 5.2 is provided with a guide matching inclined surface 5.2.3 which is matched with the guide buckling inclined surface 7.1.1. When the mold is closed, when the disengagement slider assembly 7 moves towards the dichromatic clamping block 5.2, the guide matching inclined surface 5.2.3 abuts against the guide buckling inclined surface 7.1.1 to make the guide block 7.1 shrink towards the guide spring 7.2, so that the guide block 7.1 is subsequently embedded in the guide groove 5.2.2 under the action of the guide spring 7.2. The one-color mold cavity area does not need to be designed to move the one-color clamping block 5.1, so the disengagement slider assembly 7 is not needed, but in order to ensure the uniformity of the stress of the whole mold and avoid the mold from tilting, the disengagement slider assembly 7 without the guide block 7.1 and the guide spring 7.2 is designed in the one-color mold cavity area. In order to save the occupied space of the mold and the structural integrity, the disengagement slider assembly 7 close to the rotating center shaft 6 in the one-color mold cavity area is combined with the disengagement slider assembly 7 close to the rotating center shaft 6 in the two-color mold cavity area.

[0034] The side of the dichromatic clamping block 5.2 close to the rotating support 5.4 is provided with a moving groove 5.2.4 which is parallel to the clamping direction of the dichromatic clamping block 5.2, and the rotating support 5.4 is provided with a moving block 5.4.2 which is movably connected with the moving groove 5.2.4. The two ends of the dichromatic clamping block 5.2 are provided with axial limiting steps 5.2.5, and the rotating support 5.4 is provided with axial limiting blocks 5.4.3 which are used to limit the axial direction of the axial limiting steps 5.2.5, so as to ensure the stability of the movement of the dichromatic clamping block 5.2 along the moving groove 5.2.4 on the rotating support 5.4 and avoid the derailment of the dichromatic clamping block 5.2 during the movement.

[0035] As shown in the drawings, Figures 2-4 ,Figure 11 、 12As shown, the one-color cavity is provided with a ejector pin 8 for ejecting the one-color structure 3 in the one-color cavity to ensure the quality of the one-color structure 3 demolding, the body is provided with a linkage assembly 9 on the side of the one-color cavity, when the rotating support 5.4 moves away from the back mold 2, the linkage assembly 9 drives the ejector pin 8 to eject the one-color structure 3 out of the one-color cavity, the linkage assembly 9 comprises a linkage block 9.1, the linkage block 9.1 is arranged on the edge of the rotating support 5.4 and the setting direction of the linkage block 9.1 is perpendicular to the edge, one end of the linkage block 9.1 away from the rotating support 5.4 is connected with a linkage connecting block 9.2, one end of the linkage connecting block 9.2 is connected with the linkage block 9.1, the other end of the linkage connecting block 9.2 is fixedly connected with an ejector pin plate 10, the ejector pin 8 is synchronously connected with the ejector pin plate 10 and moves along the axial direction of the body, the ejector pin 8 adopts an inclined ejecting mode to assist the one-color structure 3 to demold, the inclined ejecting mode is a conventional technology, that is, a moving channel with an inclined design is arranged on the back mold 2, the ejector pin 8 moves along the moving channel, when the ejector pin plate 10 moves along the axial direction, the ejector pin 8 moves along the moving channel, a sliding groove in the horizontal direction is arranged on the ejector pin plate 10, the connecting end of the ejector pin 8 is axially limited in the sliding groove, the linkage block 9.1 is movably connected with the rotating support 5.4 along the direction perpendicular to the edge, a linkage spring 9.3 is arranged between the linkage block 9.1 and the rotating support 5.4, the side close to the linkage block 9.1 of the linkage connecting block 9.2 is provided with a linkage connecting groove 9.2.1, the end of the linkage block 9.1 away from the linkage spring 9.3 is matched with the linkage connecting groove 9.2.1, the back mold 2 is fixedly connected with a linkage separation block 11, the end close to the linkage block 9.1 of the linkage separation block 11 is provided with a linkage separation guide inclined surface 11.1, the two sides of the linkage block 9.1 are provided with linkage separation inclined surfaces 9.1.1 matched with the linkage separation guide inclined surface 11.1, when the rotating support 5.4 moves away from the back mold 2 along the axial direction, the linkage block 9.1 drives the ejector pin 8 to eject the one-color structure 3 out of the one-color cavity through the cooperation of the linkage block 9.1 and the linkage connecting groove 9.2.1, when the linkage separation inclined surface 9.1.1 abuts against the linkage separation guide inclined surface 11.1, the linkage block 9.1 and the linkage connecting groove 9.2.1 start to separate. There is no ejector pin 8 in the two-color cavity area, but in order to ensure the uniformity of the stress of the whole mold and avoid the mold from tilting, the linkage assembly 9 is also designed in the two-color cavity area. In the mold opening state, the side close to the linkage separation block 11 of the linkage block 9.1 is provided with a linkage reset inclined surface 9.1.2, the side close to the linkage block 9.1 of the linkage separation block 11 is provided with a linkage separation reset inclined surface 11.2, when the linkage block 9.1 approaches the linkage separation block 11, the linkage block 9.1 is pressed against the linkage spring 9.3 under the guidance of the linkage reset inclined surface 9.1.2 and the linkage separation reset inclined surface 11.2 to contract, and then in the continuous movement process, the linkage block 9.1 is reconnected with the linkage connecting groove 9.2.1 under the reset action of the linkage spring 9.3.

[0036] The operation steps of the double-color core-lifting rotary die are as follows:

[0037] S1: clamping, completing the molding of the one-color structure 3;

[0038] S2: the front mold 1 moves away from the rear mold 2;

[0039] S3: the rotating central shaft 6 moves in the direction of the front mold 1;

[0040] S3.1: the rotating support 5.4 moves in the direction of the front mold 1, and the ejector pin 8 is ejected;

[0041] S3.2: the rotating support 5.4 continues to move in the direction of the front mold 1, the linkage block 9.1 and the linkage connecting block 9.2 are separated under the action of the linkage separation slope 9.1.1 and the linkage separation guide slope 11.1, and the ejector pin 8 stops moving;

[0042] S3.3: the ejector pin plate 10 is reset under the action of the spring between the ejector pin plate 10 and the rear mold 2;

[0043] S4: the rotating central shaft 6 rotates by 180 degrees;

[0044] S5: the rotating central shaft 6 moves in the direction of the rear mold 2;

[0045] S5.1: the rotating support 5.4 moves in the direction of the rear mold 2;

[0046] S5.2: the one-color structure 3 reaches the two-color mold cavity, and the linkage block 9.1 and the linkage connecting block 9.2 are reconnected to the linkage connecting groove 9.2.1 under the action of the linkage separation reset slope 11.2 and the linkage reset slope 9.1.2;

[0047] S6: the front mold 1 approaches the rear mold 2, and the disengagement slider assembly 7 is embedded in the disengagement groove 5.2.1 under the action of the guide matching slope 5.2.3 and the guide buckling slope 7.1.1, and the guide block 7.1 is embedded in the guide groove 5.2.2;

[0048] S7: clamping, completing the molding of the two-color structure 4;

[0049] S8: the front mold 1 moves away from the rear mold 2, and the disengagement slider assembly 7 drives the two-color clamping blocks 5.2 away from each other under the action of the guide block 7.1 and the guide groove 5.2.2, so as to release the clamping of the product by the abutting column 5.3;

[0050] S9: taking out the product, completing the molding of the product.

[0051] Among them, steps S2 and S8 are steps performed at the same time in actual production, and step S3 is performed later than step S9.

[0052] By using a dual-color core-lifting rotary mold design, the limitations of traditional multi-color structure molding are eliminated. Furthermore, during the molding process, multiple positioning operations are eliminated in the multi-step molding process of multi-color structures, ensuring the quality of product molding.

[0053] The above description only illustrates the preferred embodiments of the present invention and should not be construed as limiting the scope of the claims. The present invention is not limited to the above embodiments, and variations in its specific structure are permitted. All modifications made within the scope of the independent claims of this invention are also within the scope of protection of this invention.

Claims

1. A two-color blind-mold rotary die comprising a body, characterized by: The body comprises a front mold (1) and a rear mold (2), a one-color mold cavity for forming a one-color structure (3) and a two-color mold cavity for forming a two-color structure (4) are arranged between the front mold (1) and the rear mold (2) after the mold is closed, the product is placed into the two-color mold cavity after rotating 180 degrees along the axis of the body after the one-color structure (3) is formed in the one-color mold cavity, the body comprises a clamping assembly (5) for clamping the one-color structure (3) to drive the one-color structure (3) to move to the two-color mold cavity, the clamping assembly (5) releases the clamping of the product after the two-color structure (4) is formed to facilitate the product demolding, both sides of the product are respectively provided with a rotating shaft (3.1), the rotating shaft (3.1) is arranged on the one-color structure (3), the clamping assembly (5) comprises two one-color clamping blocks (5.1) arranged on both sides of the one-color mold cavity and two two-color clamping blocks (5.2) arranged on both sides of the two-color mold cavity, the one-color clamping block (5.1) and the two-color clamping block (5.2) have the same structure, the one-color clamping block (5.1) is automatically changed into the two-color clamping block (5.2) when the one-color clamping block (5.1) rotates from the one-color mold cavity to the two-color mold cavity, opposite sides of the two one-color clamping blocks (5.1) are respectively provided with an abutting column (5.3), the two abutting columns (5.3) are respectively used for abutting and fixing the rotating shaft (3.1) on both sides of the product, the abutting column (5.3) is a part of the one-color mold cavity in the one-color mold cavity, and the abutting column (5.3) is separated from the rotating shaft (3.1) after the two-color structure (4) is formed in the two-color mold cavity, the clamping assembly (5) is arranged on a rotating support (5.4), the rotating support (5.4) is fixedly connected to a rotating center shaft (6), the rotating center shaft (6) is arranged on the axis of the body, and the rotating center shaft (6) is movably connected to the axis of the body, both sides of the two two-color clamping blocks (5.2) away from each other are respectively provided with a separation sliding block assembly (7), the separation sliding block assembly (7) is fixedly connected to the front mold (1), both sides of the separation sliding block assembly (7) perpendicular to the clamping direction of the two-color clamping block (5.2) are provided with a guide block (7.1), the two-color clamping block (5.2) is provided with a separation groove (5.2.1) embedded with the separation sliding block assembly (7) close to it, both sides of the separation groove (5.2.1) perpendicular to the clamping direction of the two-color clamping block (5.2) are provided with a guide groove (5.2.2) matched with the two guide blocks (7.1), one end of the guide block (7.1) is used for moving cooperation with the guide groove (5.2.2), the other end of the guide block (7.1) is arranged on the inner side of the separation sliding block assembly (7) and abuts against a guide spring (7.2), one side of the guide block (7.1) close to the clamping direction of the two-color clamping block (5.2) is provided with a guide buckling inclined surface (7.1.1), and one side of the two-color clamping block (5.2) away from the clamping direction of the two-color clamping block (5.2) is provided with a guide matching inclined surface (5.2.3) matched with the guide buckling inclined surface (7.1.1). ​ ​ ​ 2. The double-color lift core rotary die according to claim 1, wherein: The one-color cavity is provided with a ejector pin (8) below the one-color cavity, the ejector pin (8) is used for ejecting a one-color structure (3) in the one-color cavity to ensure the demolding quality of the one-color structure (3), the body is provided with a linkage assembly (9) on the side of the one-color cavity, and the ejector pin (8) is driven by the linkage assembly (9) to eject the one-color structure (3) out of the one-color cavity when the rotating support (5.4) is away from the rear mold (2).

3. The two-color blind-mat rotating die according to claim 2, wherein: The linkage assembly (9) comprises a linkage block (9.1), the linkage block (9.1) is arranged on the edge of the rotating support (5.4) and is arranged in a direction perpendicular to the edge, one end of the linkage block (9.1) away from the rotating support (5.4) is connected with a linkage connecting block (9.2), one end of the linkage connecting block (9.2) is connected with the linkage block (9.1), and the other end of the linkage connecting block (9.2) is fixedly connected with an ejector pin plate (10), and the ejector pin (8) is synchronously connected with the ejector pin plate (10) and moves along the axial direction of the body.

4. The dual-color lift core rotary die according to claim 3, wherein: The linkage block (9.1) is movably connected with the rotating support (5.4) in a direction perpendicular to the edge, a linkage spring (9.3) is arranged between the linkage block (9.1) and the rotating support (5.4), the side, close to the linkage block (9.1), of the linkage connecting block (9.2) is provided with a linkage connecting groove (9.2.1), the end, away from the linkage spring (9.3), of the linkage block (9.1) is matched with the linkage connecting groove (9.2.1), and the rear mold (2) is fixedly connected with a linkage separation block (11), the end, close to the linkage block (9.1), of the linkage separation block (11) is provided with a linkage separation guide inclined surface (11.1), and the two sides of the linkage block (9.1) are provided with linkage separation inclined surfaces (9.1.1) matched with the linkage separation guide inclined surface (11.1); when the rotating support (5.4) is away from the rear mold (2) along the axial direction, the ejector pin (8) is first driven to eject the one-color structure (3) out of the one-color cavity by the cooperation between the linkage block (9.1) and the linkage connecting groove (9.2.1), and the linkage block (9.1) and the linkage connecting groove (9.2.1) start to be separated when the linkage separation inclined surfaces (9.1.1) abut against the linkage separation guide inclined surface (11.1).

Images