Mold unit and mold

Abstract

A mold unit and a mold. The mold unit comprises a mold frame and a mold core, the two side surfaces, in the first direction, of the mold frame are the first surface and the second surface correspondingly, the mold frame is further provided with a mold side face connected with the first surface and the second surface, the first surface is provided with an installation groove sunken in the first direction, and the mold core is suitable for being installed in the installation groove. At least one of the first surface and the mold side surface is provided with a mounting opening; the locking block is arranged on the mold frame and the mold core in a penetrating manner through the mounting opening; and the fastener penetrates through the mounting opening and is connected with the locking block and the mold frame. According to the technical scheme, the mold frame and the mold core are assembled and locked through the locking block and the mounting opening in the first surface or the mold side face, and the locking block and the mold frame are locked through the fastening piece, so that the disassembly and assembly steps in the mold unit assembly process are simplified, the disassembly and assembly efficiency is greatly improved, and the mold falling risk is reduced; and the manufacturing precision of parts is improved, and the service life of the mold core is prolonged.

Description

Technical Field

[0001] The present invention relates to the field of mold technology, in particular to a mold unit and a mold. Background Art

[0002] As the application scale of large integrated die-casting parts continues to expand, large die-casting molds are also increasingly used. In related technologies, the weight of large die-casting molds is concentrated on the mold frame and the mold core. The mold frame and the mold core need to be assembled before die-casting, but the disassembly and assembly efficiency is low, and there are safety hazards such as mold falling. Summary of the invention

[0003] The embodiments of the present invention provide a mold unit and a mold, which improve the efficiency of disassembly and assembly and reduce the risk of the mold falling.

[0004] In the first aspect, an embodiment of the present invention provides a mold unit, comprising: a mold frame and a mold core, wherein the two side surfaces of the mold frame along a first direction are respectively a first surface and a second surface, the mold frame further has a mold side surface connecting the first surface and the second surface, the first surface is provided with a mounting groove recessed along the first direction, the mold core is suitable for being installed in the mounting groove, and at least one of the first surface and the mold side surface is provided with a mounting opening; a locking block, wherein the locking block is passed through the mounting opening to the mold frame and the mold core; a fastener, wherein the fastener passes through the mounting opening and connects the locking block and the mold frame.

[0005] In the above technical solution, the mold frame and the mold core are assembled and locked by the locking block through the mounting port on the first surface or the side of the mold, and the locking block and the mold frame are locked by fasteners, which simplifies the disassembly and assembly steps during the assembly of the mold unit, greatly improves the disassembly and assembly efficiency, reduces the risk of mold falling, and is beneficial to improving the manufacturing accuracy of parts and components and the service life of the mold core.

[0006] In some embodiments, the mold core is provided with a slot recessed away from the mold side surface on the side facing the mold side surface, the mold frame is provided with a socket connecting the slot and the mounting port, and the locking block includes a first plug-in portion inserted into the slot and a second plug-in portion located in the socket.

[0007] In the above technical solution, after the locking block passes through the mold frame, it can be inserted into the slot from the outside to the inside (that is, from the outer circle of the mold core to the center). The slot on the mold core used to cooperate with the locking block will not cause a gap to form on the parting surface of the mold core, so that the parting surface is not easy to accumulate debris during the manufacturing process of parts, which is beneficial to improving the molding accuracy of parts and is not easy to form debris to damage the mold.

[0008] In some embodiments, an average gap between the first plug-in portion and the slot wall along the first direction is smaller than an average gap between the first plug-in portion and the slot wall along a second direction, the second direction is perpendicular to the first direction, and the second direction is perpendicular to the insertion direction of the slot.

[0009] In the above technical solution, the first plug-in part cooperates with the slot in the first direction, which can achieve accurate positioning of the first plug-in part in the first direction, so that the first plug-in part can effectively reduce the shaking of the mold core in the first direction after cooperating with the slot, which is conducive to improving the precision of component molding. In addition, the slot is larger in size in the second direction, which can reduce the difficulty of inserting the first plug-in part into the slot and improve assembly efficiency; the larger size of the slot in the second direction also makes it easy for the first plug-in part to stagger with the chamfer and other structures in the slot, and it is not easy to cause interference and reduce the assembly precision of the first plug-in part.

[0010] In some embodiments, in the second direction, an average gap between the second plug-in portion and the wall of the plug hole is smaller than an average gap between the first plug-in portion and the wall of the slot.

[0011] In the above technical solution, the second plug-in part cooperates with the plug-in hole in the second direction, which can achieve a more accurate limit of the second plug-in part in the second direction, so that the second plug-in part and the plug-in hole can effectively reduce the shaking of the mold core in the second direction after the second plug-in part cooperates with the plug-in hole, which is conducive to improving the precision of component molding. In addition, during the assembly process, the plug-in hole can play a preliminary positioning role for the locking block, so that when the first plug-in part is inserted into the slot, it is not easy to deflect too much and cause interference with the structure in the slot.

[0012] In some embodiments, in the first direction, an average gap between the second plug-in portion and the wall of the plug hole is less than or equal to an average gap between the first plug-in portion and the wall of the slot.

[0013] In the above technical solution, good positioning can be achieved between the locking block and the mold frame in the first direction, which is beneficial to improving the accuracy of positioning the mold core in the first direction.

[0014] In some embodiments, a size of the plug hole along the first direction is larger than a size of the slot along the first direction, and a size of the second plug-in portion along the first direction is larger than a size of the first plug-in portion along the first direction.

[0015] In the above technical solution, the cross-section of the jack and the slot parallel to the first direction and the slot insertion direction is generally L-shaped or T-shaped, and the cross-section of the corresponding locking block parallel to the first direction and the slot insertion direction is a matching L-shaped or T-shaped. After the locking block is inserted into the jack and the slot, the second plug-in portion can cooperate with the notch edge of the slot to limit the depth of the locking block inserted into the slot and the jack, thereby realizing the limit of the locking block in the third direction, playing the role of in-place reminder and improving the locking reliability.

[0016] In some embodiments, the locking block includes a first locking block, the first locking block is penetrated through the mounting port located on the first surface, the socket has a first connecting wall opposite to the mounting port along the first direction, and the fastener passes through the second plug-in portion and is locked with the first connecting wall.

[0017] In the above technical solution, the mold core installation, the first locking block installation and the fastener installation can all be operated from the upper side of the mold frame, without the need for reversing, and the operation is more convenient. After the fastener is locked with the first connecting wall, the second plug-in portion can be pressed against the first connecting wall, which improves the stability of the first locking block and makes the first locking block better at preventing the mold core from shaking or falling out along the first direction.

[0018] In some embodiments, a size of the insertion hole along the insertion direction of the slot is larger than a size of the second plug-in portion along the insertion direction of the slot, and the first connecting wall is provided with a plurality of fastening holes arranged at intervals along the insertion direction of the slot, the fastening holes are used to install the fasteners, and the number of the fastening holes is greater than the number of the fasteners.

[0019] In the above technical solution, when the first locking block is disassembled, the fastening hole and the fastener can cooperate to achieve anti-slip positioning of the first locking block in the corresponding socket, and at the same time achieve anti-loss positioning of the fastener, so as to prevent the first locking block and the fastener from being lost, or the positions of multiple first locking blocks being disordered and difficult to correspond to the size of the socket (due to different setting positions or processing errors, the sizes and shapes of multiple sockets may differ to a certain extent, and the sizes and shapes of the matching first locking blocks may also differ to a certain extent), which is conducive to improving the disassembly and assembly efficiency.

[0020] In some embodiments, the average gap between the first plug-in portion and the slot wall along the second direction is 1 mm to 2 mm; the average gap between the second plug-in portion and the hole wall along the second direction is 0.2 mm to 0.3 mm, the second direction is perpendicular to the first direction, and the second direction is perpendicular to the insertion direction of the slot.

[0021] In the above technical solution, the average gap between the first plug-in part and the slot wall is relatively large, so that the first locking block and the mold core are not easily interfered when being disassembled and assembled, for example, they are not interfered by the chamfer or processing error factors in the slot, so the disassembly and assembly operation is convenient. The average gap between the second plug-in part and the hole wall is relatively small, which can be used as the initial positioning of the first locking block during the assembly process, and the first locking block is not likely to deflect too much to cause interference when the first plug-in part is inserted into the slot.

[0022] In some embodiments, an average gap between the first plug-in portion and the slot wall along the first direction is less than or equal to 1 mm.

[0023] In the above technical solution, the first locking block can be used to accurately limit the mold core in the first direction, and the mold core is not easy to shake in the installation groove, which is beneficial to improving the molding accuracy of components.

[0024] In some embodiments, the locking block includes a second locking block, which is inserted into the mounting port located on the side of the mold, and the socket has a second connecting wall opposite to the mounting port along the insertion direction, and the fastener passes through the second plug-in portion and is locked with the second connecting wall.

[0025] In the above technical solution, during the assembly of the second locking block, the second locking block only needs to be inserted into the mold frame and the mold core along the insertion direction of the jack, and the fastener is locked with the second connecting wall along the insertion direction of the jack to complete the installation. The second locking block and the fastener can be operated from the same side and the assembly process is simple. In addition, the installation port is provided on the side of the mold, and the structure on the mold frame and the mold core for cooperating with the second locking block does not occupy the space of the first surface, is not limited by the space of the first surface, and can meet the connection of mold frames and mold cores of any size, any position, and any shape. It is also conducive to improving the wrapping and strength of the mold frame on the mold core and reducing the bending deformation of the mold frame during the manufacturing process of parts.

[0026] In some embodiments, the average gap between the first plug-in portion and the slot wall along the first direction is 1 mm to 2 mm, and the average gap between the second plug-in portion and the hole wall along the first direction is 0.02 mm to 0.03 mm.

[0027] In the above technical solution, there is a certain gap between the first plug-in portion and the slot wall, which can not only realize the reliable limit between the second locking block and the mold core, reduce the shaking of the mold core in the installation groove to improve the molding accuracy of the parts, but also facilitate the plugging of the first plug-in portion and the slot, making the operation convenient. The second plug-in portion cooperates with the hole wall of the jack to realize the precise limit of the second locking block in the first direction, thereby improving the limit accuracy of the second locking block on the mold core.

[0028] In some embodiments, the average gap between the first plug-in portion and the slot wall along the second direction is 5 mm to 7 mm, and the average gap between the second plug-in portion and the hole wall along the second direction is 0.3 mm to 0.5 mm.

[0029] In the above technical solution, in the second direction, the average gap between the first plug-in part and the slot wall is relatively large, so that the second locking block and the core are not easily interfered with when being disassembled and assembled, for example, they are not interfered with by the chamfer or processing error factors in the slot, so the disassembly and assembly operation is convenient. The average gap between the second plug-in part and the hole wall of the jack is relatively small, which can be used as the preliminary positioning of the second locking block during the assembly process, and the second locking block is not likely to deflect too much to cause interference when the first plug-in part is inserted into the slot. In addition, a certain gap is formed between the second plug-in part and the hole wall of the jack to accommodate the processing error.

[0030] In some embodiments, the second locking block includes: a block portion, a portion of which is inserted into the slot and the other portion is located in the insertion hole; a stopper portion, which is stopped at a side of the block portion close to the installation port, a dimension of the stopper portion perpendicular to the first direction is greater than a dimension of the other portion of the block portion perpendicular to the first direction, and the stopper portion is connected to the second connecting wall in an area that exceeds the other portion of the block portion perpendicular to the first direction.

[0031] In the above technical solution, after the fastener locks the stopper part, the block part can be reliably limited, so that the block part can stably maintain the state of being inserted into the mold frame and the mold core. The fastener only contacts the stopper part, but not directly contacts the block part, which can reduce the rotation force and friction force on the block part during the installation of the fastener. The position of the block part is not easy to deviate and interfere with other structures, which is conducive to improving the limiting accuracy of the mold core.

[0032] In some embodiments, the block portion includes: a first block, a portion of which is inserted into the slot and the other portion is located in the socket; a second block, which is located in the socket and on one side of the first block along the first direction, wherein the first block is provided with a recessed portion sunken along the first direction, and the second block is provided with a convex portion protruding along the first direction, and the convex portion is embedded in the recessed portion.

[0033] In the above technical solution, the first block and the second block cooperate in the first direction, which can adapt to the deformation of the first block and realize the precise positioning of the first block in the first direction; the convex part and the concave part are adjusted in the second direction to realize the precise positioning in the second direction, thereby realizing the precise positioning of the mold frame and the mold core. During the disassembly process, the split structure of the first block and the second block can also reduce the influence of the deformation of the first block on the disassembly by disassembling the second block first and then the first block, making the disassembly easier.

[0034] In some embodiments, the block portion and / or the blocking portion are provided with a disassembly and assembly positioning hole.

[0035] In the above technical solution, the disassembly positioning hole is used to play a positioning role in the process of disassembling the block part or the stopper part, so as to facilitate the application of disassembly force to the block part or the stopper part through the disassembly tool. In addition, by providing the disassembly positioning hole, the disassembly of the second locking block is not limited by the installation depth in the socket, and the disassembly is convenient.

[0036] In some embodiments, the fastener is threadedly connected to the mold frame, and the locking block is provided with a through hole to avoid the fastener.

[0037] In the above technical solution, the through hole avoids the fastener, so that during the threaded connection between the fastener and the mold frame, it is not easy to generate excessive rotational force and friction on the locking block, thereby not easily causing the locking block to shift in position, which is beneficial to improving the accuracy of the locking block assembly position. The locking block is not easy to interfere with other structures due to misalignment, and it is beneficial to improve the limiting reliability of the mold core.

[0038] In a second aspect, an embodiment of the present invention further provides a mold, comprising a first mold unit and a second mold unit, wherein the first mold unit and the second mold unit are molded together to form a cavity, and the first mold unit and / or the second mold unit are the above-mentioned mold units. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] Figure 1 An exploded view of a mold frame and a mold core provided in an embodiment of the present invention;

[0040] Figure 2 An exploded view of a mold unit provided by an embodiment of the present invention;

[0041] Figure 3 for Figure 2 A schematic diagram of the structure from another angle;

[0042] Figure 4 A schematic structural diagram of a mold unit provided by an embodiment of the present invention, wherein the locking block is partially inserted into the mounting opening;

[0043] Figure 5 A top view of a mold unit provided by an embodiment of the present invention, wherein the second locking block is not shown;

[0044] Figure 6 for Figure 5 The middle frame shows an enlarged structural schematic diagram of A;

[0045] Figure 7 for Figure 5 The middle frame shows the perspective view at A;

[0046] Figure 8 for Figure 5 The middle frame shows a cross-sectional view along the direction indicated by the BB line at A, wherein the first locking block is located outside the mold frame;

[0047] Fig. 9 for Figure 5 The middle frame shows a cross-sectional view along the direction indicated by the BB line at A, wherein the first locking block is installed in place;

[0048] Fig.10 A top view of a mold unit provided by an embodiment of the present invention, wherein the first locking block is not shown;

[0049] Fig.11 for Fig.10 The middle frame shows an enlarged structural schematic diagram of position C;

[0050] Fig.12 for Fig.11 A cross-sectional view of

[0051] Fig.13 A schematic structural diagram of a mold core and a block portion of a second locking block provided in an embodiment of the present invention;

[0052] Fig.14 A schematic diagram of the cooperation between the block part and the slot provided in an embodiment of the present invention;

[0053] Fig.15 A schematic diagram of the matching between the block portion and the socket provided in an embodiment of the present invention;

[0054] Fig.16 A schematic diagram of the cooperation between the blocking member and the socket provided in an embodiment of the present invention.

[0055] Reference numerals:

[0056] A mold unit 100;

[0057] Mold frame 10; first surface 101; second surface 102; mold side surface 103; mounting groove 104; mounting opening 11; insertion hole 12; first connecting wall 121; second connecting wall 122; fastening hole 123;

[0058] Mold core 20; slot 21;

[0059] Lock block 30; first plug-in portion 31; second plug-in portion 32; first lock block 33; second lock block 34; block portion 341; stopper portion 342; first block 343; second block 344; recess 345; protrusion 346; disassembly and assembly positioning hole 347; through hole 348;

[0060] First direction F1; second direction F2; insertion direction F3. DETAILED DESCRIPTION

[0061] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0062] Unless otherwise defined, all technical and scientific terms used in the present invention have the same meanings as those commonly understood by technicians in the technical field of the present invention; the terms used in the present invention and the specification of the invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention; the terms "including" and "having" and any variations thereof in the specification and claims of the present invention and the above-mentioned drawings are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of the present invention or the above-mentioned drawings are used to distinguish different objects, rather than to describe a specific order or a primary and secondary relationship.

[0063] Reference to "embodiments" in the present invention means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present invention. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments.

[0064] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "attached" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0065] The term "and / or" in the present invention is only a description of the association relationship of the associated objects, indicating that there can be three relationships. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. In addition, the character " / " in the present invention generally indicates that the associated objects before and after are in an "or" relationship.

[0066] In the embodiments of the present invention, the same reference numerals represent the same components, and for the sake of brevity, detailed descriptions of the same components are omitted in different embodiments. It should be understood that the thickness, length, width and other dimensions of various components in the embodiments of the present invention shown in the drawings, as well as the overall thickness, length, width and other dimensions of the integrated device are only exemplary and should not constitute any limitation to the present invention.

[0067] The term "plurality" used in the present invention refers to two or more (including two).

[0068] In the present invention, the mold refers to various molds and tools used in industrial production to obtain the desired products by injection molding, blow molding, extrusion, die casting or forging molding, smelting, stamping and other methods. The mold is a tool used to make molded objects. This tool is composed of various parts. Different molds are composed of different parts. It mainly realizes the processing of the shape of the object by changing the physical state of the molded material. The mold may include a first mold unit and a second mold unit. The first mold unit and the second mold unit can be molded together to define a cavity for molding the object.

[0069] The application of molds is very extensive, and they can be used to manufacture auto parts, battery parts and other parts blanks. Among them, auto parts are usually manufactured by die-casting molds due to their complex structures, such as the side shell of the automotive electronic controller, the door panels of the automobile, the beams of the frame, etc. The die-casting mold is a method of casting liquid die forging. The basic process is: the die-casting mold is installed on the die-casting machine, forming a whole with the die-casting machine. Through the pressure of the die-casting machine, the molten metal is first cast and filled into the mold cavity at a low speed or a high speed. The mold has a movable cavity surface, which is pressurized and forged with the cooling process of the molten metal, which not only eliminates the shrinkage defects of the blank, but also makes the internal structure of the blank reach the broken grains of the forged state, thereby forming the blank of the part.

[0070] Among them, the mold unit usually includes a mold frame and a mold core. The mold core is installed on the mold frame, and the mold core has a parting surface to facilitate the formation of a cavity of the desired shape. In the process of cleaning, replacing, and repairing the mold, the mold core and the mold need to be disassembled and assembled. When disassembling and assembling the mold core and the mold frame, it is necessary to lift, flip, and disassemble the mold. The disassembly and assembly efficiency is low, and there are safety hazards such as the mold falling during lifting and flipping. Especially for some large integrated component molds, the weight is heavier (the weight can reach about 100 tons), and the disassembly and assembly cycle of a single set of molds is 3 to 5 days, which further reduces the disassembly and assembly efficiency and increases the risk of falling.

[0071] Based on this, the present application proposes a mold unit 100, including a mold frame 10, a mold core 20, a locking block 30 and a fastener. The two side surfaces of the mold frame 10 along the first direction F1 are respectively a first surface 101 and a second surface 102, and the mold frame 10 also has a mold side surface 103 connecting the first surface 101 and the second surface 102. The first surface 101 is provided with a mounting groove 104 recessed along the first direction F1, and the mold core 20 is suitable for being installed in the mounting groove 104. At least one of the first surface 101 and the mold side surface 103 is provided with a mounting opening 11, and the locking block 30 is passed through the mounting opening 11 to the mold frame 10 and the mold core 20. The fastener passes through the mounting opening 11 and connects the locking block 30 and the mold frame 10.

[0072] In the mold unit 100 of the above-mentioned structure, the mold frame 10 and the mold core 20 are assembled and locked by the locking block 30 through the installation port 11 of the first surface 101 or the mold side surface 103, and the locking block 30 and the mold frame 10 are locked by fasteners, which simplifies the disassembly and assembly steps during the assembly process of the mold unit 100, greatly improves the disassembly and assembly efficiency, reduces the risk of mold falling, and is beneficial to improving the manufacturing accuracy of parts and components and the service life of the mold core 20.

[0073] The mold including the mold unit 100 disclosed in the embodiment of the present invention can be used for, but not limited to, the production of parts for vehicles, ships, aircraft and other devices, and can be used for injection molding, blow molding, extrusion, die casting or forging, smelting, stamping and other production processes of parts.

[0074] Hereinafter, a mold unit 100 according to an embodiment of the present invention will be described with reference to the drawings.

[0075] Please refer to Figure 1-Figure 4 , Figure 1 An exploded view of a mold frame 10 and a mold core 20 provided in an embodiment of the present invention; Figure 2 An exploded view of a mold unit 100 provided in an embodiment of the present invention; Figure 3 for Figure 2 A schematic diagram of the structure from another angle; Figure 4 A schematic diagram of the structure of a mold unit 100 provided in an embodiment of the present invention, wherein the locking block 30 is partially inserted into the installation opening 11. The mold unit 100 includes: a mold frame 10, a mold core 20, a locking block 30 and a fastener (not shown in the figure). The two side surfaces of the mold frame 10 along the first direction F1 are respectively a first surface 101 and a second surface 102, and the mold frame 10 also has a mold side surface 103 connecting the first surface 101 and the second surface 102. The first surface 101 is provided with a mounting groove 104 recessed along the first direction F1, and the mold core 20 is suitable for being installed in the mounting groove 104. At least one of the first surface 101 and the mold side surface 103 is provided with a mounting opening 11, and the locking block 30 is passed through the mounting opening 11 to the mold frame 10 and the mold core 20. The fastener passes through the mounting opening 11 and connects the locking block 30 and the mold frame 10.

[0076] The first direction F1 is the direction in which the mold unit 100 is closed, for example Figure 1 In the up-down direction shown, the first surface 101 is the upper surface of the mold frame 10, that is, the surface facing the other mold unit 100, and the second surface 102 is the lower surface, that is, the surface facing away from the other mold unit 100. The first surface 101 and the second surface 102 can be flat, or non-flat with a concave-convex structure, a curved surface, or the like.

[0077] The mold side surface 103 is a ring-shaped surface extending around the first direction F1. One end of the mold side surface 103 along the first direction F1 is connected to the outer periphery of the first surface 101, and the other end is connected to the outer periphery of the second surface 102. The mold side surface 103 may include at least one of a curved surface, a plane, and other structural surfaces. For example, the mold side surface 103 may be a cylindrical surface, or may include multiple planes connected end to end, for example Figure 1-Figure 4 As shown, the mold side surface 103 includes eight planes connected end to end to form an octagonal prism. Of course, the mold side surface 103 can be a smooth surface, or a non-smooth surface with a concave-convex structure. In addition, in the embodiment where the mold side surface 103 includes a plane, the plane can be parallel to the first direction F1, or it can be at a certain angle to the first direction F1.

[0078] The first surface 101 is provided with a mounting groove 104 recessed along the first direction F1, that is, the mounting groove 104 is recessed along at least one side of the first direction F1 (such as Figure 1 The upper side of the mold 20 shown in FIG. 1 has an open slot, which facilitates the mold core 20 to be installed in the installation slot 104 through the open slot. Here, the mold core 20 can be completely installed in the installation slot 104, or partially installed in the installation slot 104, so as to form parting surfaces of different shapes and sizes (such as Figure 1 upper surface shown) and cavity.

[0079] At least one of the first surface 101 and the mold side surface 103 is provided with an installation opening 11, and the locking block 30 is inserted through the installation opening 11 into the mold frame 10 and the mold core 20. The installation opening 11 refers to an opening formed on at least one of the first surface 101 and the mold side surface 103, and the mold frame 10 and the mold core 20 may be formed with a channel structure corresponding to the installation opening 11, so that the locking block 30 passes through the installation opening 11 and is installed in the channel of the mold frame 10 and the mold core 20, so as to achieve the cooperation between the locking block 30 and the mold frame 10 and the mold core 20.

[0080] There can be one mounting opening 11, which is formed on the first surface 101 or the mold side surface 103. There can also be multiple mounting openings 11, which can all be formed on the first surface 101, or on the mold side surface 103, or several mounting openings 11 can be formed on the first surface 101, and the remaining mounting openings 11 can be formed on the mold side surface 103. In other words, the mounting opening 11 for assembling the locking block 30 is not formed on the second surface 102 opposite to the notch of the mounting groove 104.

[0081] The locking block 30 can be a block structure of any shape, such as cylindrical, rectangular, T-shaped, L-shaped, irregular shape, etc. The locking block 30 can be a solid structure or a hollow structure, or the locking block 30 can be provided with a groove structure, etc. It only needs to meet the requirements that the locking block 30 can connect the mold frame 10 and the mold core 20 and prevent the mold core 20 from escaping from the installation groove 104.

[0082] In addition, the fastener passes through the installation opening 11 and connects the locking block 30 and the mold frame 10. The fastener can be a bolt, a screw, a buckle or other parts. The model and quantity of the fastener can be flexibly set according to the actual situation such as the tonnage of the mold unit 100. The fastener passes through the installation opening 11, that is, the fastener is the same as the locking block 30 during the assembly process, and is also installed from the installation opening 11, rather than from the second surface 102 opposite to the notch of the installation groove 104. The fastener connects the locking block 30 and the mold frame 10, so that there is no need to set an opening for installing the fastener on the mold core 20, so as to reduce the impact on the structural strength of the mold core 20, so that the mold core 20 can have a higher anti-extrusion ability, reduce the deformation and damage of the mold core 20, thereby improving the service life of the mold core 20 during the manufacturing and molding of parts and the processing accuracy of parts.

[0083] by Figure 1-Figure 4 For example, the first surface 101 is provided with a plurality of mounting openings 11, and the front side, rear side and right side of the mold side surface 103 are all provided with mounting openings 11. During assembly, the second surface 102 of the mold frame 10 can be supported downward on the support surface, and the mold core 20 can be downwardly inserted into the mounting groove 104; then the mold frame 10 and the mold core 20 are kept in place, a portion of the locking block 30 passes downward through the mounting opening 11 of the first surface 101 to connect the mold frame 10 and the mold core 20, and the fastener passes downward through the mounting opening 11 of the first surface 101 to lock the locking block 30 and the mold frame 10; a portion of the locking block 30 passes backward through the mounting opening 11 of the front side to connect the mold frame 10 and the mold core 20, the fastener passes through the installation opening 11 on the front side backward to lock the locking block 30 and the mold frame 10; a part of the locking block 30 passes through the installation opening 11 on the rear side forward to connect the mold frame 10 and the mold core 20, and the fastener passes through the installation opening 11 on the rear side forward to lock the locking block 30 and the mold frame 10; a part of the locking block 30 passes through the installation opening 11 on the right side leftward to connect the mold frame 10 and the mold core 20, and the fastener passes through the installation opening 11 on the right side leftward to lock the locking block 30 and the mold frame 10. The fastener prevents the locking block 30 from escaping from the installation opening 11, and the locking block 30 remains in a state of connecting the mold frame 10 and the mold core 20 and preventing the mold core 20 from escaping from the installation groove 104, thereby improving the overall structural stability of the mold unit 100.

[0084] In the related art, after the mold core is placed into the mold frame from one side, the assembly needs to be hoisted and turned over so that the other side of the mold frame faces upward, so that bolts can be installed from the other side of the mold frame to connect the mold frame and the mold core. The disassembly and assembly process is complicated and inefficient during the assembly process. For large die-casting molds, the disassembly and assembly cycle of a single set of molds is usually 3 to 5 days, and there are great safety hazards such as mold falling during the hoisting and turning process.

[0085] In the embodiment of the present application, during the entire assembly process of the mold unit 100, after the mold core 20 is installed in the installation groove 104, during the process of the locking block 30 connecting the mold frame 10 and the mold core 20, the process of the fastener locking the locking block 30, or the process of the fastener and the locking block 30 being disassembled, there is no need to move, lift or flip the mold frame 10 and the mold core 20, thereby realizing the static disassembly and assembly of the mold frame 10 and the mold core 20, reducing the risk of the mold falling, reducing the assembly process, improving the mold assembly efficiency, and providing support for the timeliness and effectiveness of parts production. For example, for large die-casting molds, the disassembly and assembly of a single set of molds can be shortened to 1 to 2 days.

[0086] In addition, fasteners are used to connect the locking block 30 and the mold frame 10 to indirectly lock the mold core 20 through the locking block 30. The fasteners do not need to be directly connected to the mold core 20, which is beneficial to improving the structural strength of the mold core 20 and reducing deformation of the mold core 20, so as to improve the manufacturing accuracy of parts and increase the service life of the mold core 20.

[0087] According to the mold unit 100 of the embodiment of the present invention, the mold frame 10 and the mold core 20 are assembled and locked by the locking block 30 through the installation port 11 of the first surface 101 or the mold side surface 103, and the locking block 30 and the mold frame 10 are locked by fasteners, which simplifies the disassembly and assembly steps during the assembly process of the mold unit 100, greatly improves the disassembly and assembly efficiency, reduces the risk of mold falling, and is beneficial to improving the manufacturing accuracy of parts and components and the service life of the mold core 20.

[0088] According to some embodiments of the present invention, Figure 1 , Figure 5 and Figure 7-Figure 12 As shown, Figure 5 A top view of the mold unit 100 provided in an embodiment of the present invention, wherein the second locking block 34 is not shown; Figure 7 for Figure 5 The middle frame shows the perspective view at A; Figure 8 for Figure 5 The middle frame shows a cross-sectional view along the direction indicated by the BB line at A, wherein the first locking block 33 is located outside the mold frame 10; Fig. 9 for Figure 5 The middle frame shows a cross-sectional view along the direction indicated by the BB line at A, wherein the first locking block 33 is installed in place; Fig.10 A top view of a mold unit 100 provided in an embodiment of the present invention, wherein the first locking block 33 is not shown; Fig.11 for Fig.10 The middle frame shows an enlarged structural schematic diagram of position C; Fig.12 for Fig.11The mold core 20 has a slot 21 on the side facing the mold side 103, which is recessed away from the mold side 103. The mold frame 10 has a plug hole 12 connecting the slot 21 and the installation port 11. The locking block 30 includes a first plug-in portion 31 inserted into the slot 21 and a second plug-in portion 32 located in the plug hole 12.

[0089] The side of the mold core 20 facing the mold side surface 103 is provided with a slot 21 recessed away from the mold side surface 103, that is, the slot opening direction of the slot 21 faces the mold side surface 103. For example, the left side of the mold core 20 is provided with a slot 21 recessed to the right, the right side of the mold core 20 is provided with a slot 21 recessed to the left, the front side of the mold core 20 is provided with a groove recessed to the rear, and the rear side of the mold core 20 may be provided with a groove recessed to the front, etc.

[0090] The plug hole 12 is connected to the slot 21 and the installation opening 11, that is, the inlet of the plug hole 12 is formed as the installation opening 11 so that the plug hole 12 is connected to the installation opening 11, and the outlet of the plug hole 12 is opposite to the notch of the slot 21 so that the plug hole 12 is connected to the slot 21. Thus, the locking block 30 can be inserted into the installation opening 11, the plug hole 12 and the slot 21 in sequence, so that after being assembled in place, the first plug part 31 is located in the slot 21, and the second plug part 32 is located in the plug hole 12. The locking block 30 can cooperate with the mold frame 10 and the mold core 20 at the same time, and realize the limit between the mold frame 10 and the mold core 20 at least in the first direction F1, preventing the mold core 20 from escaping from the installation groove 104, and the connection is reliable. Among them, the dimensions of the first plug part 31 and the second plug part 32, such as the dimensions along the first direction F1 and perpendicular to the first direction F1, can be flexibly set according to the tonnage of the mold unit 100 to meet the connection strength requirements.

[0091] In addition, after passing through the mold frame 10, the locking block 30 can be inserted into the slot 21 from the outside to the inside (i.e., from the outer circle of the mold core 20 to the center). The slot 21 on the mold core 20 used to cooperate with the locking block 30 will not cause a gap to form on the parting surface of the mold core 20, so that the parting surface is not easy to accumulate debris during the manufacturing process of the parts, which is beneficial to improving the molding accuracy of the parts and is not easy to form debris to damage the mold.

[0092] In some embodiments, Figure 7-Figure 9 and Figure 12-14 As shown, Fig.13 A schematic structural diagram of a mold core 20 and a block portion 341 of a second locking block 34 provided in an embodiment of the present invention; Fig.14 Schematic diagram of the block portion 341 and the slot 21 provided in an embodiment of the present invention. The average gap between the first plug-in portion 31 and the slot wall of the slot 21 along the first direction F1 is smaller than the average gap between the first plug-in portion 31 and the slot wall of the slot 21 along the second direction F2, the second direction F2 is perpendicular to the first direction F1, and the second direction F2 is perpendicular to the insertion direction F3 of the slot 21.

[0093] Taking the first plug-in portion 31 as an example, the average gap refers to the average value of the distances between the surfaces of the first plug-in portion 31 on both sides along the first direction F1 and the groove walls on the corresponding sides of the slot 21. Specifically, the size of the slot 21 along the first direction F1 is recorded as L1, and the size of the first plug-in portion 31 along the first direction F1 is recorded as L2. The average gap between the first plug-in portion 31 and the groove walls of the slot 21 along the first direction F1 is equal to (L1-L2) / 2. In fact, the distances between the surfaces of the first plug-in portion 31 on both sides along the first direction F1 and the groove walls on the corresponding sides of the slot 21 can be equal or unequal. For example Fig. 9 As shown, the spacing between the lower side of the first plug-in portion 31 and the slot wall of the slot 21 is 0, and the upper side of the first plug-in portion 31 is spaced a certain distance from the slot wall. According to the above description, the average gap of the first plug-in portion 31 in other directions, or the average gap between the second plug-in portion 32 and the plug hole 12 in a certain direction, is understandable to those skilled in the art.

[0094] The insertion direction F3 refers to the moving direction of the first plug-in portion 31 during the process of the first plug-in portion 31 being inserted into the slot 21, which is related to the position of the slot 21 on the core 20. For example, if the slot 21 is provided on the left side of the core 20, the insertion direction F3 is the right direction. Of course, the insertion direction F3 can be perpendicular to the left side, or can be inclined to the right at a certain angle with the left side. The second direction F2 is generally the front-to-back direction. For example, if the slot 21 is provided on the front side of the core 20, the insertion direction F3 is the backward direction, and the second direction F2 is the left-right direction.

[0095] The average gap between the first plug-in part 31 and the slot wall of the slot 21 along the first direction F1 is smaller than the average gap between the first plug-in part 31 and the slot 21 along the second direction F2, so that the first plug-in part 31 cooperates with the slot 21 in the first direction F1, and can achieve accurate positioning of the first plug-in part 31 in the first direction F1, so that the first plug-in part 31 can effectively reduce the shaking of the mold core 20 in the first direction F1 after cooperating with the slot 21, which is conducive to improving the precision of component molding. In addition, the slot 21 is larger in size in the second direction F2, which can reduce the difficulty of inserting the first plug-in part 31 into the slot 21 and improve assembly efficiency; the two ends of the slot bottom wall of the slot 21 along the second direction F2 can be processed with a certain chamfer structure, and the larger size of the slot 21 in the second direction F2 also makes it easy for the first plug-in part 31 to stagger with the chamfer structure, and is not easily affected by the processing error of the chamfer to reduce the assembly precision of the first plug-in part 31.

[0096] In some embodiments, Figure 6-Figure 7 and Figure 13-Figure 15 As shown, Figure 6 for Figure 5 The middle frame shows an enlarged structural schematic diagram of A; Fig.15The block portion 341 and the plug hole 12 are matched in the second direction F2. The average gap between the second plug portion 32 and the wall of the plug hole 12 is smaller than the average gap between the first plug portion 31 and the wall of the slot 21.

[0097] Thus, the second plug-in portion 32 cooperates with the plug hole 12 in the second direction F2, and can achieve a more accurate limit of the second plug-in portion 32 in the second direction F2, so that the second plug-in portion 32 cooperates with the plug hole 12 to effectively reduce the shaking of the mold core 20 in the second direction F2, which is conducive to improving the precision of component molding. In addition, during the assembly process, the plug hole 12 can play a preliminary positioning role for the locking block 30, so that when the first plug-in portion 31 is inserted into the slot 21, it is not easy to deflect too much and cause interference with the structure in the slot 21.

[0098] In some embodiments, Fig. 9 and Fig.12 As shown, in the first direction F1 , the average gap between the second plug-in portion 32 and the wall of the plug hole 12 is less than or equal to the average gap between the first plug-in portion 31 and the wall of the slot 21 .

[0099] In the embodiment where one side of the plug hole 12 along the first direction F1 is opened to form the installation opening 11, the average gap between the second plug portion 32 and the hole wall of the plug hole 12 is the gap between the hole wall of the plug hole 12 opposite to the installation opening 11 and the second plug portion 32, for example Fig. 9 The gap is shown as zero.

[0100] In the first direction F1, the average gap between the second plug-in portion 32 and the wall of the plug hole 12 is less than or equal to the average gap between the first plug-in portion 31 and the wall of the slot 21, so that the locking block 30 and the mold frame 10 can achieve good positioning in the first direction F1, which is conducive to improving the accuracy of the upper limit of the mold core 20 in the first direction F1. In the embodiment where the average gap between the second plug-in portion 32 and the wall of the plug hole 12 is less than the average gap between the first plug-in portion 31 and the wall of the slot 21, the positioning accuracy of the mold core 20 can be further improved.

[0101] In some embodiments, Figure 8-Figure 9 and Fig.12 As shown, the size of the plug hole 12 along the first direction F1 is larger than the size of the slot 21 along the first direction F1, and the size of the second plugging portion 32 along the first direction F1 is larger than the size of the first plugging portion 31 along the first direction F1.

[0102] In the above embodiment, the cross-section of the jack 12 and the slot 21 parallel to the first direction F1 and the insertion direction F3 of the slot 21 is generally L-shaped or T-shaped, and the corresponding cross-section of the lock block 30 parallel to the first direction F1 and the insertion direction F3 of the slot 21 is a matching L-shaped or T-shaped. After the lock block 30 is inserted into the jack 12 and the slot 21, the second plug-in portion 32 can cooperate with the notch edge of the slot 21 to limit the depth of the lock block 30 inserted into the slot 21 and the jack 12, thereby realizing the limit of the lock block 30 in the third direction, playing the role of in-place reminder and improving the locking reliability.

[0103] In the embodiment of the present application, the specific structure of the locking block 30 and the matching position with the fastener can be flexibly set according to actual conditions.

[0104] According to some embodiments of the present invention, Figure 5-Figure 9 As shown, the locking block 30 includes a first locking block 33. The first locking block 33 is disposed through the mounting opening 11 located on the first surface 101. The insertion hole 12 has a first connecting wall 121 opposite to the mounting opening 11 along the first direction F1, and the fastener passes through the second plug-in portion 32 and is locked with the first connecting wall 121.

[0105] During the assembly process of the first locking block 33, it can be first installed into the insertion hole 12 through the installation opening 11 along the first direction F1, and then moved along the insertion direction F3 of the slot 21 to be inserted into the slot 21. The fastener passes through the installation opening 11 and the second plug-in portion 32 along the first direction F1 to complete the fastening and locking of the first locking block 33. In this process, the installation of the mold core 20, the installation of the first locking block 33 and the installation of the fastener can all be operated from the upper side of the mold frame 10, without the need for reversing, and the operation is more convenient. After the fastener is locked with the first connecting wall 121, the second plug-in portion 32 can be pressed against the first connecting wall 121, which improves the stability of the first locking block 33 and makes the first locking block 33 better in preventing the mold core 20 from shaking or falling out along the first direction F1.

[0106] In some embodiments including the first locking block 33, continue to refer to Figure 8 and Fig. 9 As shown, the dimension of the plug hole 12 along the insertion direction F3 of the slot 21 is greater than the dimension of the second plug portion 32 along the insertion direction F3 of the slot 21. Fig. 9 The dimension of the insertion hole 12 in the left-right direction is larger than the dimension of the second plug-in portion 32 in the left-right direction. Thus, the dimension of the installation opening 11 in the insertion direction F3 is large enough to facilitate the first plug-in portion 31 and the second plug-in portion 32 of the first locking block to move through the installation opening 11 into the insertion hole 12, and provide a moving space for the first locking block 33 to move in the insertion direction F3, and provide an operating space for the operation of inserting into and removing from the slot 21.

[0107] In addition, the first connecting wall 121 is provided with a plurality of fastening holes 123 arranged at intervals along the insertion direction F3 of the slot 21, the fastening holes 123 are used to install fasteners, and the number of the fastening holes 123 is greater than the number of fasteners. Fig. 9 As shown, the first connecting wall 121 is provided with three fastening holes 123 arranged along the left and right directions, and there are two fasteners. After the first locking block 33 is installed in place, the two fasteners are respectively inserted into the two fastening holes 123 on the right to achieve connection; when the mold core 20 is disassembled, the first locking block 33 can be moved to the left so that the first locking block 33 is completely located in the insertion hole 12. At this time, the two fasteners can be respectively inserted into the two fastening holes 123 on the left to achieve anti-slip positioning of the first locking block 33 in the corresponding insertion hole 12, and at the same time achieve anti-loss positioning of the fastener to prevent the first locking block 33 and the fastener from being lost, or the position of multiple first locking blocks 33 is disordered, making it difficult to correspond to the size of the insertion hole 12 (due to different setting positions or processing errors, the sizes and shapes of multiple insertion holes 12 may have certain differences, and the sizes and shapes of the matching first locking blocks 33 may also have certain differences), which is conducive to improving the disassembly and assembly efficiency.

[0108] In some embodiments including the first locking block 33, as Figure 6 and Figure 7 As shown, the average gap between the first plug-in portion 31 and the wall of the slot 21 along the second direction F2 is 1mm to 2mm; the average gap between the second plug-in portion 32 and the wall of the hole 12 along the second direction F2 is 0.2mm to 0.3mm, the second direction F2 is perpendicular to the first direction F1, and the second direction F2 is perpendicular to the insertion direction F3 of the slot 21.

[0109] Within the above value range, the average gap between the first plug-in portion 31 and the wall of the slot 21 is relatively large, which is convenient for the first locking block 33 and the core 20 to not interfere with each other during assembly and disassembly, for example, without interference from the chamfer or processing error factors in the slot 21, and is convenient for assembly and disassembly. The average gap between the second plug-in portion 32 and the wall of the jack 12 is relatively small, which can be used as the initial positioning of the first locking block 33 during the assembly process, and the first locking block 33 is not likely to deflect too much to cause interference when the first plug-in portion 31 is inserted into the slot 21.

[0110] For example, in some specific embodiments, the average gap between the first plug-in portion 31 and the wall of the slot 21 along the second direction F2 can be 1 mm, 1.2 mm, 1.4 mm, 1.6 mm, 1.8 mm, and 2 mm, etc.; in some specific embodiments, the average gap between the second plug-in portion 32 and the wall of the jack 12 along the second direction F2 can be 0.2 mm, 0.22 mm, 0.25 mm, 0.28 mm, and 0.3 mm, etc.

[0111] In some embodiments including the first locking block 33, as Fig. 9As shown, the average gap between the first plug-in portion 31 and the wall of the slot 21 along the first direction F1 is less than or equal to 1 mm.

[0112] Within the above value range, the first locking block 33 can realize precise positioning of the mold core 20 in the first direction F1, and the mold core 20 is not easy to shake in the installation groove 104, which is beneficial to improving the molding accuracy of components.

[0113] For example, in some specific embodiments, the average gap between the first plug-in portion 31 and the wall of the slot 21 along the first direction F1 may be 0 mm, 0.2 mm, 0.3 mm, 0.5 mm, 0.8 mm, 1 mm, etc.

[0114] According to some embodiments of the present invention, Figure 10-Figure 16 As shown, Fig.16 The blocker portion 342 provided in the embodiment of the present invention cooperates with the jack 12, and the lock block 30 includes a second lock block 34. Of course, in the embodiment where there are multiple lock blocks 30, the multiple lock blocks 30 may also include a first lock block 33 and a second lock block 34 at the same time, that is, at least one lock block 30 is the first lock block 33, and at least one lock block 30 is the second lock block 34.

[0115] The second locking block 34 is disposed through the mounting opening 11 on the mold side 103 , the insertion hole 12 has a second connecting wall 122 opposite to the mounting opening 11 along the insertion direction F3 , and the fastener passes through the second plug-in portion 32 and is locked with the second connecting wall 122 .

[0116] During the assembly process of the second locking block 34, the second locking block 34 only needs to be inserted into the mold frame 10 and the mold core 20 along the insertion direction F3 of the jack 12, and the fastener is locked with the second connecting wall 122 along the insertion direction F3 of the jack 12 to complete the installation. The second locking block 34 and the fastener can be operated from the same side and the assembly process is simple. In addition, the installation port 11 is provided on the mold side surface 103, and the structure on the mold frame 10 and the mold core 20 for cooperating with the second locking block 34 does not occupy the space of the first surface 101, is not limited by the space of the first surface 101, and can meet the connection of the mold frame 10 and the mold core 20 of any size, any position, and any shape. It is also beneficial to improve the wrapping and strength of the mold frame 10 on the mold core 20, and reduce the bending deformation of the mold frame 10 during the manufacturing process of parts. In addition, according to the difference in the thickness of the groove wall of the installation groove 104 of the mold frame 10 at different positions, the second locking block 34 can be selected in different lengths to meet the installation requirements.

[0117] In some embodiments, Fig.12 and Figure 14-15As shown, the average gap between the first plug-in portion 31 and the wall of the slot 21 along the first direction F1 is 1 mm to 2 mm, and the average gap between the second plug-in portion 32 and the wall of the plug hole 12 along the first direction F1 is 0.02 mm to 0.03 mm.

[0118] Within the above value range, there is a certain gap between the first plug-in portion 31 and the wall of the slot 21, which can not only realize the reliable limit between the second locking block 34 and the core 20, reduce the shaking of the core 20 in the installation groove 104 to improve the molding accuracy of the parts, but also facilitate the plugging of the first plug-in portion 31 and the slot 21, making the operation convenient. The second plug-in portion 32 cooperates with the wall of the jack 12, which can realize the precise limit of the second locking block 34 in the first direction F1, thereby improving the limit accuracy of the second locking block 34 on the core 20.

[0119] For example, in some specific embodiments, the average gap between the first plug-in portion 31 and the wall of the slot 21 along the first direction F1 can be 1 mm, 1.2 mm, 1.4 mm, 1.6 mm, 1.8 mm, 2 mm, etc.; in some specific embodiments, the average gap between the second plug-in portion 32 and the wall of the socket 12 along the first direction F1 can be 0.02 mm, 0.025 mm, 0.03 mm, etc.

[0120] In some embodiments, Fig.14 and Fig.15 As shown, the average gap between the first plug-in portion 31 and the wall of the slot 21 along the second direction F2 is 5 mm to 7 mm, and the average gap between the second plug-in portion 32 and the wall of the plug hole 12 along the second direction F2 is 0.3 mm to 0.5 mm.

[0121] Within the above value range, in the second direction F2, the average gap between the first plug-in portion 31 and the wall of the slot 21 is relatively large, which is convenient for the second locking block 34 and the core 20 to form interference when disassembling and assembling, for example, it is not interfered by the chamfer or processing error factors in the slot 21, which facilitates the disassembly and assembly operation. The average gap between the second plug-in portion 32 and the wall of the jack 12 is relatively small, which can be used as the initial positioning of the second locking block 34 during the assembly process, and the second locking block 34 is not likely to deflect too much to cause interference when the first plug-in portion 31 is inserted into the slot 21. In addition, a certain gap is formed between the second plug-in portion 32 and the wall of the jack 12 to accommodate the processing error.

[0122] For example, in some specific embodiments, the average gap between the first plug-in portion 31 and the wall of the slot 21 along the second direction F2 can be 5mm, 5.5mm, 6mm, 6.5mm, and 7mm, etc.; in some specific embodiments, the average gap between the second plug-in portion 32 and the wall of the jack 12 along the second direction F2 can be 0.3mm, 0.35mm, 0.4mm, 0.45mm, and 0.5mm, etc.

[0123] According to some embodiments of the present invention, Figure 11-Figure 16 As shown, the second locking block 34 includes: a block portion 341 and a stopper portion 342. A portion of the block portion 341 is inserted into the slot 21 and another portion is located in the insertion hole 12. The stopper portion 342 stops at one side of the block portion 341 close to the installation opening 11. The dimension of the stopper portion 342 perpendicular to the first direction F1 is greater than the dimension of another portion of the block portion 341 perpendicular to the first direction F1, and the stopper portion 342 is connected to the second connecting wall 122 in an area that exceeds another portion of the block portion 341 perpendicular to the first direction F1.

[0124] A portion of the block portion 341 is inserted into the slot 21, that is, the portion of the block portion 341 located in the slot 21 forms a first plug-in portion 31, which is used to cooperate with the core 20 to limit the core 20. Another portion of the block portion 341 is located in the insertion hole 12, and the stopper portion 342 is stopped at one side of the block portion 341 close to the installation opening 11, so that the other portion of the block portion 341 and the portion of the stopper portion 342 located in the insertion hole 12 form a second plug-in portion 32, which is used to cooperate with the mold frame 10 to limit the mold frame 10 relative to the mold frame 10. The stopper portion 342 can be partially located in the insertion hole 12, or it can be completely located in the insertion hole 12.

[0125] The dimension of the blocking member 342 perpendicular to the first direction F1 is greater than the dimension of another part of the block portion 341 perpendicular to the first direction F1. Here, the "dimension perpendicular to the first direction F1" may be a dimension in one direction perpendicular to the first direction F1, or may be a dimension in any direction perpendicular to the first direction F1. Fig.15 and Fig.16 As shown, the dimension of the blocking portion 342 along the second direction F2, i.e., the front-to-back direction in the figure, can be greater than the dimension of the block portion 341 along the second direction F2, so that the middle portion of the blocking portion 342 abuts against the block portion 341, and the front and rear portions of the blocking portion 342 are offset from the block portion 341 in the second direction F2 and are used to connect with the second connecting wall 122.

[0126] Therefore, after the fastener locks the stopper part 342, the block part 341 can be reliably limited, so that the block part 341 can stably maintain the state of being inserted into the mold frame 10 and the mold core 20. The fastener only contacts the stopper part 342, but not directly contacts the block part 341, which can reduce the rotation force and friction force on the block part 341 during the installation of the fastener. The position of the block part 341 is not easy to deviate and interfere with other structures, which is conducive to improving the limiting accuracy of the mold core 20.

[0127] In some embodiments of the present invention, please continue to refer to Figure 11-Figure 16As shown, the second locking block 34 may include a first block 343 and a second block 344. For example, in an embodiment including a block portion 341, the block portion 341 may include a first block 343 and a second block 344. A portion of the first block 343 is inserted into the slot 21 and another portion is located in the insertion hole 12. The second block 344 is located in the insertion hole 12 and is located on one side of the first block 343 along the first direction F1. So that a portion of the first block 343 forms the first plug-in portion 31, and another portion of the first block 343, the second block 344 and the stopper portion 342 form the second plug-in portion 32. The second block 344 may be located on the upper side of the first block 343, or may be located as shown in FIG. Fig.15 It is shown located on the lower side of the first block 343 .

[0128] The first block 343 is provided with a concave portion 345 that is recessed along the first direction F1, and the second block 344 is provided with a convex portion 346 that protrudes along the first direction F1, and the convex portion 346 is embedded in the concave portion 345. The concave portion 345 can penetrate the first block 343 on both sides along the insertion direction F3, or can penetrate the first block 343 on one side, or can not penetrate the first block 343. The corresponding convex portion 346 matches the shape of the concave portion 345, so that the convex portion 346 can cooperate with the concave portion 345 to limit the position. In the second direction F2, the concave portion 345 can be as shown in FIG. Fig.15 As shown, the first block 343 is penetrated on one side, so that the first block 343 is substantially formed into an L shape; the recessed portion 345 may not penetrate the first block 343, so that the cross section of the first block 343 is substantially in a concave shape.

[0129] Due to the influence of factors such as processing errors, there may be certain errors in the size of the jack 12 and the slot 21; and after assembly, the first block 343 may be deformed to a certain extent, affecting subsequent disassembly. In the present application, during the assembly process, the first block 343 can be first inserted into the jack 12 and the slot 21 to achieve precise positioning of the first block 343 and the mold core 20 in the first direction F1, and then the second block 344 with a suitable size is selected, so that the second block 344 is inserted into the jack 12 and is located on the side of the first block 343 in the first direction F1. The second block 344 with a suitable size can adapt to the deformation of the first block 343 and achieve precise positioning of the first block 343 in the first direction F1, and adjust in the second direction F2 through the convex portion 346 and the concave portion 345 to achieve precise positioning in the second direction F2, thereby achieving precise positioning of the mold frame 10 and the mold core 20. During the disassembly process, the split structure of the first block 343 and the second block 344 can also reduce the influence of the deformation of the first block 343 on the disassembly by first disassembling the second block 344 and then disassembling the first block 343, making the disassembly easier.

[0130] Furthermore, in an embodiment where a small gap is formed between the second plug-in portion 32 and the wall of the socket 12 in the first direction F1, the gap can be used to pry the second block 344 downward during disassembly to facilitate the withdrawal of the second block 344 from the socket 12, thereby achieving precise positioning and improving the convenience of disassembly.

[0131] In some embodiments, Figure 12-16 As shown, at least one of the block portion 341 and the stopper portion 342 is provided with a disassembly and assembly positioning hole 347. The disassembly and assembly positioning hole 347 can be a through hole provided in the block portion 341 or the stopper portion 342, or can be a groove; the through hole includes but is not limited to a round hole, a square hole, an irregular hole, a threaded hole, etc., and the groove includes but is not limited to a round groove, a square groove, an irregular groove, etc.

[0132] In the embodiment where the block portion 341 is provided with a disassembly positioning hole 347 and includes a first block 343 and a second block 344 , at least one of the first block 343 and the second block 344 may be provided with a disassembly positioning hole 347 .

[0133] The disassembly positioning hole 347 is used to position the block portion 341 or the stopper portion 342 during disassembly and assembly. Specifically, a disassembly tool (such as a rod, etc.) can be inserted into the disassembly positioning hole so that the disassembly tool can apply a disassembly force to the block portion 341 or the stopper portion 342. After the block portion 341 and the stopper portion 342 are installed in place on the mold frame 10, they can be completely located in the insertion hole 12 or a small part can be exposed outside the insertion hole 12 as needed. By providing the disassembly positioning hole 347, the disassembly and assembly of the second locking block 34 is not affected by the installation depth, and the disassembly and assembly are convenient.

[0134] According to some embodiments of the present invention, Figure 8-Figure 12 As shown, the fastener is threadedly connected to the mold frame 10, and the locking block 30 is provided with a through hole 348 for avoiding the fastener.

[0135] In other words, the mold frame 10 is provided with a fastening hole 123 for connecting with the fastener, and the fastening hole 123 has an internal thread for threaded connection with the fastener, so that the connection is more secure and not easy to loosen. The through hole 348 refers to a through hole used to avoid the fastener and allow the fastener to pass through. There is no threaded fit between the fastener and the through hole 348, and the through hole 348 and the fastener can be clearance fit or transition fit. Therefore, during the threaded connection between the fastener and the mold frame 10, it is not easy to generate excessive rotational force and friction force on the locking block 30, so that it is not easy to cause the locking block 30 to shift in position, which is conducive to improving the accuracy of the assembly position of the locking block 30. The locking block 30 is not easy to interfere with other structures due to misalignment, and it is conducive to improving the reliability of the limit of the mold core 20.

[0136] In some specific embodiments, the diameter of the through hole 348 is larger than the diameter of the fastening hole 123 , so that the through hole 348 can better avoid the fastener.

[0137] The following describes a mold unit 100 and an assembly method thereof according to a specific embodiment of the present invention with reference to the accompanying drawings.

[0138] like Figure 1-Figure 16 As shown, a mold unit 100 according to a specific embodiment of the present invention includes a mold frame 10, a mold core 20, five first locking blocks 33 and five second locking blocks 34. The front side wall of the mold frame 10 is connected to the mold core 20 through a second locking block 34, the rear side wall is connected to the mold core 20 through a second locking block 34 and two first locking blocks 33, the left side wall is connected to the mold core 20 through three first locking blocks 33, and the right side wall is connected to the mold core 20 through three second locking blocks 34. The first surface 101 (i.e., the upper surface) of the mold frame 10 is provided with a mounting opening 11 corresponding to the first locking blocks 33, the mold side surface 103 is provided with a mounting opening 11 corresponding to the second locking blocks 34, the mold frame 10 is provided with a plug hole 12 corresponding to the mounting opening 11, and the mold core 20 is provided with a slot 21 corresponding to the plug hole 12.

[0139] The first locking block 33 is an integrated L-shaped structure, and includes a first plug-in portion 31 and a second plug-in portion 32. The second locking block 34 includes a first block 343, a second block 344 and a stopper portion 342, wherein a portion of the first block 343 is formed as the first plug-in portion 31, and another portion of the first block 343, the second block 344 and the stopper portion 342 constitute the second plug-in portion 32.

[0140] During the assembly of the mold unit 100, as Figure 1 As shown, the mold frame 10 is first placed on the support surface so that the notch of the mounting groove 104 faces upward; Figure 1 and Figure 2 As shown, the mold core 20 is downwardly loaded into the mounting groove 104 of the mold frame 10; Figure 3 and Figure 4 As shown, the first locking block 33 and the second locking block 34 are inserted into the insertion hole 12 of the mold frame 10 and the slot 21 of the mold core 20, and the first locking block 33 and the second locking block 34 are locked on the mold frame 10 by fasteners to complete the assembly of the mold unit 100.

[0141] Among them, Figure 5-Figure 9As shown, during the assembly process, the first locking block 33 passes downward through the installation opening 11 and moves as a whole into the insertion hole 12, and then moves along the insertion direction F3 of the slot 21 until the first plug-in portion 31 is inserted into the slot 21, and the second plug-in portion 32 is in the slot 12, and the assembly is in place. At this time, the lower surface of the first plug-in portion 31 abuts against the slot wall of the slot 21, and the upper surface is spaced 1mm from the slot wall of the slot 21; the two side surfaces of the first plug-in portion 31 along the second direction F2 are spaced 1mm from the slot wall of the slot 21, so that the first locking block 33 does not interfere during assembly and disassembly, which is convenient for operation; the lower surface of the second plug-in portion 32 abuts against the hole wall of the slot 12; the two side surfaces of the second plug-in portion 32 along the second direction F2 are spaced 0.25mm from the hole wall of the slot 12, which serves as the initial positioning of the first locking block 33, so that the first locking block 33 is not easy to deflect too much and cause interference.

[0142] Among them, Figure 10-Figure 16 As shown, during the assembly process, the first block 343 of the second locking block 34 is inserted into the slot 21 through the installation opening 11 and the insertion hole 12 along the insertion direction F3 of the slot 21 to realize the positioning of the first block 343 and the mold core 20 in the up and down directions; then the second block 344 is inserted into the insertion hole 12 through the installation opening 11 along the insertion direction F3 to further realize the precise positioning of the first block 343 and the precise positioning of the second locking block 34 and the mold frame 10 in the up and down directions, and at the same time realize the positioning of the first block 343 and the second block 344 in the second direction F2 to prevent interference; finally, the stopper part 342 is stopped on the outside of the first block 343 and the second block 344 through the installation opening 11, and locked with the mold frame 10 by fasteners to realize reliable limitation in the insertion direction F3, and the assembly is completed. At this time, the lower surface of the first block 343 is in contact with the wall of the slot 21 and the upper surface is spaced 1 mm from the wall of the slot 21; the upper surface of the first block 343 and the lower surface of the second block 344 are spaced 0.02 mm from the wall of the hole 12 respectively; the first block 343 is spaced 5 mm from the wall of the slot 21 on both sides along the second direction F2; the first block 343 is spaced 0.5 mm from the wall of the hole 12 on both sides along the second direction F2, and the second block 344 is spaced 0.5 mm from the wall of the hole 12 on both sides along the second direction F2.

[0143] When removing the second locking block 34, the stopper 342 can be removed first, and then the second block 344 can be pried toward the wall of the insertion hole 12 and pulled out of the insertion hole 12, and finally the first block 343 can be removed. The above size range enables the second locking block 34 to accurately position the mold frame 10 and the mold core 20, and is easy to remove.

[0144] In the above embodiment, the assembly and disassembly steps of the mold unit 100 are simplified, a new assembly and disassembly structure of the mold unit 100 is proposed, and a new idea is proposed for the assembly efficiency and operation safety of the mold unit 100, so as to provide support for the timeliness and effectiveness of parts production. The first locking block 33 and the second locking block 34 can be flexibly installed on the first surface 101 or the mold side 103 of the mold frame 10 according to the shape and assembly space of different mold frames 10 and mold cores 20, and the first locking block 33 and the second locking block 34 of different specifications and sizes can be designed according to the tonnage of the mold unit 100. The cooperation of the first locking block 33 and the second locking block 34 can realize the rapid disassembly and assembly of the mold unit 100, reduce the processes such as mold hoisting and flipping, greatly improve the assembly efficiency, and reduce the risk of mold falling.

[0145] The mold according to the embodiment of the second aspect of the present invention comprises a first mold unit 100 and a second mold unit 100. The first mold unit 100 and the second mold unit 100 are combined to form a cavity. At least one of the first mold unit 100 and the second mold unit 100 is the mold unit 100 according to the embodiment of the first aspect of the present invention.

[0146] In other words, among the first mold unit 100 and the second mold unit 100, only the first mold unit 100 may adopt the structure of the mold frame 10 and the mold core 20 connected by the locking block 30 of the mold unit 100 described in the first aspect of the present invention; or only the second mold unit 100 may adopt the structure of the mold frame 10 and the mold core 20 connected by the locking block 30 of the mold unit 100 described in the first aspect of the present invention; or both the first mold unit 100 and the second mold unit 100 may adopt the structure of the mold frame 10 and the mold core 20 connected by the locking block 30 of the mold unit 100 described in the first aspect of the present invention. Of course, the specific structures of the mold frame 10, the mold core 20 and the locking block 30 of the first mold unit 100 may be exactly the same, or there may be some differences according to actual conditions, such as the arrangement position of the locking block 30 may be different, the specific size of the locking block 30 may be different, the shape of the parting surface of the mold core 20 may be different, etc., which are all within the protection scope of the present invention.

[0147] Therefore, by adopting the above-mentioned mold unit 100, the mold frame 10 and the mold core 20 are assembled and locked by the locking block 30 through the installation port 11 of the first surface 101 or the mold side surface 103, and the locking block 30 and the mold frame 10 are locked by fasteners, which simplifies the disassembly and assembly steps during the assembly process of the mold unit 100, greatly improves the disassembly and assembly efficiency, reduces the risk of mold falling, and is beneficial to improving the manufacturing accuracy of parts and components and the service life of the mold core 20.

[0148] Optionally, when the mold is used to manufacture vehicle parts, the vehicle parts include but are not limited to the side housing of the electronic controller, door panels, frame beams, etc., and the molding methods include but are not limited to die casting, stamping, injection molding, etc.

[0149] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments may be combined with each other.

[0150] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A mold unit, characterized in that: include: A mold frame and a mold core, wherein the two side surfaces of the mold frame along a first direction are respectively a first surface and a second surface, the mold frame further comprises a mold side surface connecting the first surface and the second surface, the first surface is provided with a mounting groove recessed along the first direction, the mold core is suitable for being installed in the mounting groove, and at least one of the first surface and the mold side surface is provided with a mounting opening; A locking block, the locking block is passed through the mounting opening and is disposed on the mold frame and the mold core; A fastener passes through the installation opening and connects the locking block and the mold frame.

2. The mold unit according to claim 1, characterized in that The mold core is provided with a slot recessed away from the mold side surface on one side facing the mold side surface, the mold frame is provided with a socket connecting the slot and the installation port, and the locking block includes a first plug-in portion inserted into the slot and a second plug-in portion located in the socket.

3. The mold unit according to claim 2, characterized in that: An average gap between the first plug-in portion and the slot wall along the first direction is smaller than an average gap between the first plug-in portion and the slot wall along a second direction, the second direction is perpendicular to the first direction, and the second direction is perpendicular to the insertion direction of the slot.

4. The mold unit according to claim 3, characterized in that: In the second direction, an average gap between the second plug-in portion and the wall of the plug hole is smaller than an average gap between the first plug-in portion and the wall of the slot.

5. The mold unit according to claim 3 or 4, characterized in that: In the first direction, an average gap between the second plug-in portion and the wall of the plug hole is less than or equal to an average gap between the first plug-in portion and the wall of the slot.

6. The mold unit according to any one of claims 2 to 5, characterized in that: The size of the plug hole along the first direction is larger than the size of the slot along the first direction, and the size of the second plug-in portion along the first direction is larger than the size of the first plug-in portion along the first direction.

7. The mold unit according to any one of claims 2 to 6, characterized in that: The locking block includes a first locking block, the first locking block is penetrated through the installation opening located on the first surface, the insertion hole has a first connecting wall opposite to the installation opening along the first direction, and the fastener passes through the second plug-in portion and is locked with the first connecting wall.

8. The mold unit according to claim 7, characterized in that The size of the insertion hole along the insertion direction of the slot is larger than the size of the second plug-in portion along the insertion direction of the slot, and the first connecting wall is provided with a plurality of fastening holes arranged at intervals along the insertion direction of the slot, the fastening holes are used to install the fasteners, and the number of the fastening holes is greater than the number of the fasteners.

9. The mold unit according to claim 7 or 8, characterized in that: The average gap between the first plug-in portion and the slot wall along the second direction is 1mm-2mm; the average gap between the second plug-in portion and the jack wall along the second direction is 0.2mm-0.3mm, the second direction is perpendicular to the first direction, and the second direction is perpendicular to the insertion direction of the slot.

10. The mold unit according to any one of claims 7 to 9, characterized in that: An average gap between the first plug-in portion and the slot wall along the first direction is less than or equal to 1 mm.

11. The mold unit according to any one of claims 2 to 10, characterized in that: The locking block includes a second locking block, the second locking block is penetrated through the mounting opening located on the side of the mold, the insertion hole has a second connecting wall opposite to the mounting opening along the insertion direction, and the fastener passes through the second plug-in portion and is locked with the second connecting wall.

12. The mold unit according to claim 11, characterized in that An average gap between the first plug-in portion and the slot wall along the first direction is 1 mm to 2 mm, and an average gap between the second plug-in portion and the hole wall along the first direction is 0.02 mm to 0.03 mm.

13. The mold unit according to claim 11 or 12, characterized in that: An average gap between the first plug-in portion and the slot wall along the second direction is 5 mm to 7 mm, and an average gap between the second plug-in portion and the hole wall along the second direction is 0.3 mm to 0.5 mm.

14. The mold unit according to any one of claims 11 to 13, characterized in that: The second locking block comprises: a block portion, a portion of which is inserted into the slot and another portion of which is located in the insertion hole; A stopper portion stops at a side of the block portion close to the mounting opening, a dimension of the stopper portion perpendicular to the first direction being greater than a dimension of another part of the block portion perpendicular to the first direction, and the stopper portion is connected to the second connecting wall in an area that exceeds the other part of the block portion perpendicular to the first direction.

15. The mold unit according to claim 14, characterized in that The block portion comprises: a first block, a portion of which is inserted into the slot and another portion of which is located in the insertion hole; a second block, the second block is located in the insertion hole and on one side of the first block along the first direction, wherein: The first block is provided with a concave portion sunken along the first direction, and the second block is provided with a convex portion protruding along the first direction, and the convex portion is embedded in the concave portion.

16. The mold unit according to claim 14 or 15, characterized in that: The block portion and / or the blocking member portion are provided with a disassembly and assembly positioning hole.

17. The mold unit according to any one of claims 1 to 16, characterized in that: The fastener is threadedly connected to the mold frame, and the locking block is provided with a through hole for avoiding the fastener.

18. A mold, characterized in that: It comprises a first mold unit and a second mold unit, wherein the first mold unit and the second mold unit are molded together to form a mold cavity, and the first mold unit and / or the second mold unit are mold units according to any one of claims 1-17.

Images