Universal rack die-casting die convenient to replace

Abstract

The utility model belongs to the technical field of die-casting dies, and particularly relates to a universal rack die-casting die convenient for die replacement, which comprises a fixed rack, a movable rack and an ejector pin, a detachable lower mold core and a detachable upper mold core are respectively arranged in the fixed rack and the movable rack; pin rods are transversely mounted in the fixed rack and the movable rack in a sliding manner, plug rods are separately connected to the end parts of the pin rods, and a frame connecting plate is connected between the lower mold core and the upper mold core and between the outer walls of the lower mold core and the upper mold core; the plug rod is divided into a thin shaft body and a thick shaft body. The die core can be directly taken out for cooling after die-casting operation, so that the machine frame shell of the die continues to be subjected to die-casting operation, the die is suitable for continuous production operation, different die cores can be directly replaced in the mode, and therefore the die is suitable for die-casting operation of different products.

Description

Technical Field

[0001] This utility model belongs to the field of die casting mold technology, and in particular relates to a universal frame die casting mold that is easy to change molds. Background Technology

[0002] A general-purpose frame refers to a standardized structural frame used to support, fix, or connect various mechanical equipment. It is usually made of high-strength metal materials and has modular design features to adapt to different application scenarios. In the die-casting process, the general-purpose frame is used as a supporting or load-bearing component of the die-casting mold.

[0003] Currently, die-casting molds are mostly fixed structures, and the internal mold cores cannot be replaced according to different products, which is not conducive to continuous production and switching between multiple products.

[0004] To address the aforementioned issues, this application proposes a universal frame die-casting mold that facilitates mold changing. Utility Model Content

[0005] The purpose of this invention is to provide a universal frame die-casting mold that is easy to change molds, thus solving the problems mentioned in the background art.

[0006] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0007] This utility model is a universal frame die casting mold that is easy to change molds, including a fixed frame, a movable frame, and an ejector pin;

[0008] The fixed frame and the movable frame are respectively equipped with a detachable lower mold core and an upper mold core;

[0009] Both the fixed frame and the movable frame are laterally slidably installed with pins, the ends of which are detachably connected to plugs, and connected to the connecting plate between the lower mold core and the upper mold core and their outer walls;

[0010] The stopper rod is divided into a thin shaft and a thick shaft.

[0011] Furthermore, the lower mold core has a positioning hole inside corresponding to the ejector pin, and the inner bottom surface of the fixed frame has a tapered protrusion extending upward, corresponding to the tapered hole in the lower section of the positioning hole. The ejector pin passes through the positioning hole, the tapered protrusion, and the hole below it.

[0012] Furthermore, both the lower and upper mold cores have locking holes on their outer walls to slidably connect to the thin shaft at the end of the plug rod.

[0013] Furthermore, the connecting plate has two through holes, one above the other, coaxial with the locking hole, which slidably connect to the thick shaft of the plug rod.

[0014] Furthermore, the holes for mounting pins in the fixed frame and the movable frame are coaxial with the through holes and have the same diameter.

[0015] Furthermore, the upper end of the connecting plate is provided with an opening groove with an upper opening, and the lower end is connected to the through hole above, and the width is greater than that of the thin shaft body and smaller than the diameter of the through hole.

[0016] Furthermore, a hook plate is fixed to the front end of the pin rod, which is engaged with the hook groove at one end of the thick shaft of the plug rod.

[0017] This utility model has the following beneficial effects:

[0018] This invention uses a deep engagement between a stopper rod and a connecting plate to directly connect the lower mold core and the upper mold core into one unit. With this arrangement, the mold core can be removed separately for cooling, facilitating the next set of die-casting operations. It can also be directly replaced according to product requirements, reducing the storage space of the mold frame and thus reducing the overall cost.

[0019] This invention, through the double-layered design of the upper and lower stop rods, can directly drive the integrated lower and upper mold cores upwards together when the movable frame is moved out. Then, the upper stop rod and the upper mold core can be released to remove the mold core. The simple and convenient operation makes it easy to use in continuous production.

[0020] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0021] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0022] Figure 1 This is a schematic diagram of the overall appearance structure of this utility model;

[0023] Figure 2 This is a schematic diagram of the internal three-dimensional structure of the mold of this utility model;

[0024] Figure 3 This is a schematic diagram of the internal planar structure of the mold of this utility model;

[0025] Figure 4 This is a partially enlarged structural diagram of part A of this utility model;

[0026] Figure 5 This is a partially enlarged structural diagram of part B of this utility model;

[0027] Figure 6 This is a schematic diagram of the combined structure of the pin and connecting plate of this utility model;

[0028] The attached diagram lists the components represented by each number as follows:

[0029] In the picture:

[0030] 110. Fixed frame; 111. Lower mold core; 112. Ejector pin; 113. Positioning hole; 114. Conical protrusion;

[0031] 120. Movable frame; 121. Upper mold core; 101. Clip hole;

[0032] 210. Pin; 211. Plug; 212. Hook plate; 213. Hook groove;

[0033] 220. Connecting plate; 221. Through hole; 222. Opening slot. Detailed Implementation

[0034] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0035] In the description of this utility model, it should be understood that the terms "opening", "upper", "lower", "thickness", "top", "middle", "length", "inner", "around" and other terms indicating orientation or positional relationship are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0036] Please see Figure 1-6 As shown, this utility model is a universal frame die casting mold that is easy to change molds, including a fixed frame 110, a movable frame 120, and an ejector pin 112;

[0037] The fixed frame 110 and the movable frame 120 are respectively provided with a detachable lower mold core 111 and an upper mold core 121. The outer walls of the lower mold core 111 and the upper mold core 121 correspond to the inner groove edges of the fixed frame 110 and the movable frame 120, and are directly slidably installed into the interior of the fixed frame 110 and the movable frame 120.

[0038] Both the fixed frame 110 and the movable frame 120 are laterally slidably installed with pins 210, the ends of which are detachably connected to plugs 211, which are connected to the connecting plate 220 between the lower mold core 111 and the upper mold core 121 and their outer walls, and are also connected to the holes opened in the fixed frame 110 and the movable frame 120.

[0039] The plug rod 211 is divided into a thin shaft and a thick shaft. The holes for installing the pin rod 210 in the fixed frame 110 and the movable frame 120 are coaxial with the through hole 221 and have the same diameter.

[0040] Preferably, the lower mold core 111 has a positioning hole 113 inside corresponding to the ejector pin 112. The inner bottom surface of the fixed frame 110 extends upward with a tapered protrusion 114, corresponding to the tapered hole at the lower part of the positioning hole 113. The ejector pin 112 passes through the positioning hole 113 and the tapered protrusion 114 and the hole below it. When the lower mold core 111 is installed, secondary positioning is formed by the docking of the tapered hole and the tapered protrusion 114, thereby ensuring the installation position accuracy of the mold core.

[0041] Preferably, the outer walls of both the lower mold core 111 and the upper mold core 121 are provided with locking holes 101 to slide and connect the thin shaft at the end of the plug rod 211. The inner side of the connecting plate 220 is provided with two through holes 221, which are coaxial with the locking holes 101 and slide and connect the thick shaft of the plug rod 211. When the end face of the thick shaft is close to the side of the connecting plate 220, the thin shaft is partially connected to the locking hole 101, and its other end is placed inside the through hole 221.

[0042] Furthermore, the upper end of the connecting plate 220 is provided with an opening groove 222 with an upper opening, and the lower end is connected to the upper through hole 221. The width is greater than the thin shaft body and less than the diameter of the through hole 221. When the thin shaft body of the upper stop rod 211 disengages from the locking hole 101 and slides into the through hole 221, the removal of the movable frame 120 will directly separate the upper mold core 121.

[0043] In addition, a hook plate 212 is fixed to the front end of the pin 210, which is engaged with the hook groove 213 at one end of the thick shaft of the plug rod 211. Thus, the thick shaft can be completely pushed into the through hole 221 and the pin 210 can be removed. At this time, the upper mold core 121 can also be separated.

[0044] It is understood that this utility model can directly remove the mold core for cooling after the die casting operation, while the mold frame housing can continue to perform die casting operations. It is suitable for continuous production operations, and different mold cores can be directly replaced in this way, thus adapting to die casting operations for different products.

[0045] A specific application of the operation flow of this embodiment is as follows: When the die casting operation does not require separation of the mold core, the pin 210 is engaged with the hook groove 213 through the hook plate 212, thereby pushing out the plug rod 211, so that its two shafts are respectively engaged with the locking hole 101 and the through hole 221, thereby connecting and fixing the lower mold core 111 and the upper mold core 121 to the fixed frame 110 and the movable frame 120 respectively. At this time, the mold is used as a conventional mold. Further, the lower pin 210 is rotated to disengage the hook plate 212 from the hook groove 213. At this time, the plug rod 211 at its end is fixed to the lower mold core 11. 1. The lower mold core 111 is separated from the fixed frame 110 and the pin 210 is inside. At this time, the movable frame 120 can be used to pull out the connected lower mold core 111 and upper mold core 121. Then, it is carried by the external transfer mechanism. Finally, the upper pin 210 pulls the stopper 211, so that its thin shaft is partially locked in the locking hole 101. The other part of the thin shaft is located inside the through hole 221. The upper mold core 121 can be separated from the movable frame 120 by the sliding connection between the opening groove 222 and the thin shaft of the stopper 211. Thus, the mold core can be directly transferred out.

[0046] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0047] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A universal frame die-casting mold that facilitates mold changing, characterized in that: It includes a fixed frame (110) and a movable frame (120) as well as an ejector pin (112); The fixed frame (110) and the movable frame (120) are respectively provided with a detachable lower mold core (111) and an upper mold core (121); Both the fixed frame (110) and the movable frame (120) are laterally slidably installed with pins (210), the ends of which are detachably connected to plugs (211), which are connected to the connecting plate (220) between the lower mold core (111) and the upper mold core (121) and the outer walls of the two. The stopper rod (211) is divided into a thin shaft and a thick shaft.

2. The universal frame die-casting mold for easy mold changing according to claim 1, characterized in that: The lower mold core (111) has a positioning hole (113) inside which corresponds to the ejector pin (112). The inner bottom surface of the fixed frame (110) extends upward with a tapered protrusion (114) which corresponds to the tapered hole in the lower section of the positioning hole (113). The ejector pin (112) passes through the positioning hole (113), the tapered protrusion (114), and the hole below it.

3. The universal frame die-casting mold for easy mold changing according to claim 1, characterized in that: Both the lower mold core (111) and the upper mold core (121) have a retaining hole (101) on their outer walls, which slides to connect the thin shaft at the end of the plug rod (211).

4. The universal frame die-casting mold for easy mold changing according to claim 3, characterized in that: The connecting plate (220) has two through holes (221) inside, which are coaxial with the card hole (101) and slide to connect the thick shaft of the plug rod (211).

5. The universal frame die-casting mold for easy mold changing according to claim 4, characterized in that: The holes for mounting pins (210) in the fixed frame (110) and movable frame (120) are coaxial with the through holes (221) and have the same diameter.

6. The universal frame die-casting mold for easy mold changing according to claim 5, characterized in that: The upper end of the connecting plate (220) is provided with an opening groove (222) with an upper opening, and the lower end is connected to the through hole (221) above, and the width is greater than that of the thin shaft body and smaller than the diameter of the through hole (221).

7. The universal frame die-casting mold for easy mold changing according to claim 1, characterized in that: The front end of the pin (210) is fixed with a hook plate (212), which is engaged with the hook groove (213) at one end of the thick shaft of the plug rod (211).

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