Aluminum alloy die-casting die clamping structure
By adopting an aluminum alloy die-casting mold clamping structure in the mold fixing structure and using the clamping mechanism driven by the hydraulic cylinder, the problem of time-consuming and prone to errors in the traditional bolt and nut fixing methods is solved, and the rapid and stable clamping of the mold is achieved.
Patent Information
- Application Number
- CN202421757785.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-24
- Publication Date
- 2025-06-24
- Estimated Expiration
- 2034-07-24
AI Technical Summary
The existing mold fixing methods use bolts and nuts. The installation and disassembly process is time-consuming and artificial errors are prone to occur, resulting in uneven mold clamping force, which may cause mold displacement and mechanical damage.
The aluminum alloy die-cast mold clamping structure is adopted, including a base plate, a mold support frame and a clamping mechanism for opposite clamping. The clamping mechanism consists of two parallel rotating arms, connecting beam, clamping jaws and hydraulic cylinders. The rotating arms drive the clamping jaws to clamp the mold through the hydraulic cylinder.
Compared with the traditional bolt and nut fixing methods, the new structure greatly simplifies the installation and disassembly process of the mold, improves the operating efficiency, reduces human error, ensures stable clamping of the mold, and avoids mold displacement and mechanical damage.
Smart Images

Figure CN223011852U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of die closing and clamping, and particularly relates to a clamping structure for an aluminum alloy die-casting die. Background Art
[0002] A die-casting machine is a machine used for die casting. Under pressure, the die-casting machine injects molten metal hydraulically into the workpiece forming area formed after the mold is mated and cools to form a solid metal casting after the mold is opened.
[0003] A die-casting mold is a tool for casting metal parts, a tool for completing the die-casting process on a special die-casting forging machine, and the die-casting mold includes components such as a mold base, a mold frame, a mold core, and a part ejection device;
[0004] For the upper and lower mold bases of the die-casting machine mold to prevent displacement, they are mostly guided for mold closing through guide rods, and then are clamped by the clamping devices of the upper and lower mold bases;
[0005] However, the existing method of fixing the mold on the processing table is to use bolts and nuts for fixing. During the process of fixing with bolts and nuts, a large amount of time is required for loading and unloading the bolts and nuts during both installation and disassembly of the mold, which is very time-consuming. Moreover, there will be human errors during the tightening process by the operator, resulting in different clamping forces at each part, which may cause the mold to shift and further cause mechanical damage. Therefore, a clamping structure for an aluminum alloy die-casting mold is proposed. Summary of the Utility Model
[0006] In view of the above deficiencies existing in the prior art, the utility model provides a clamping structure for an aluminum alloy die-casting mold to solve the problems in the above background art.
[0007] To solve the above technical problems, the utility model adopts the following technical solutions:
[0008] The clamping structure for an aluminum alloy die-casting mold includes a bottom plate. A mold support frame for placing the mold is provided in the center of the bottom plate. Clamping mechanisms for clamping the mold in opposite directions are provided on both sides of the mold support frame. Mounting frames are provided at the four corners of the bottom plate;
[0009] The clamping mechanism includes: two parallel rotating arms, namely a first rotating arm and a second rotating arm, and the rotating arms are rotatably installed on the mounting frame;
[0010] A connecting beam, the connecting beam is fixedly connected between the tops of the two rotating arms, and a clamping claw is installed on the connecting beam;
[0011] A hydraulic cylinder, the hydraulic cylinder is installed on the mounting frame and is connected to one rotating arm to drive the rotating arm to rotate, thereby driving the clamping claw to clamp the mold.
[0012] By adopting the above structural design, the clamping structure of the aluminum alloy die-casting mold includes a bottom plate. A mold support frame for placing the mold is provided in the center of the bottom plate. Clamping mechanisms for clamping the mold in opposite directions are provided on both sides of the mold support frame. The mold is clamped and fixed by the clamping mechanisms. Compared with the traditional method of fixing by bolts and nuts, the installation and disassembly of the mold are more convenient and rapid. Specifically, the clamping mechanism includes: two rotatable arms arranged in parallel, namely a first rotatable arm and a second rotatable arm, and the rotatable arms are rotatably installed on the mounting frame; a connecting beam, which is fixedly connected between the tops of the two rotatable arms, and a clamping claw is installed on the connecting beam; a hydraulic cylinder, which is installed on the mounting frame and is connected to one rotatable arm to drive the rotatable arm to rotate, thereby driving the clamping claw to clamp the mold.
[0013] Further, the mold support frame includes two oppositely arranged columns. A load-bearing plate is provided at the top of the columns. The shape of the load-bearing plate is L-shaped, and a plurality of notches are provided on the side of the load-bearing plate.
[0014] Further, the mounting frame includes a first mounting frame and a second mounting frame. The first rotatable arm is rotatably installed on a hinge shaft at the top of the first mounting frame, and the second rotatable arm is rotatably installed on a hinge shaft at the top of the second mounting frame. The hydraulic cylinder is movably installed on the second mounting frame and is hinged to the lower part of the second rotatable arm.
[0015] Further, the clamping claw includes a number of support rods connected in parallel to the inner side of the connecting beam, and a clamping block is connected to the end of the support rod far away from the connecting beam.
[0016] Further, the number of the clamping blocks is less than or equal to the number of the notches, and the width of the clamping block is less than the width of the notch.
[0017] By adopting the above structural design, the mold support frame of the clamping structure of the aluminum alloy die-casting mold includes two oppositely arranged columns. A load-bearing plate is provided at the top of the columns. The shape of the load-bearing plate is L-shaped, and a plurality of notches are provided on the side of the load-bearing plate. The clamping claw includes a number of support rods connected in parallel to the inner side of the connecting beam, and a clamping block is connected to the end of the support rod far away from the connecting beam. The clamping block can pass through the notch to clamp the mold placed on the load-bearing plate.
[0018] Further, a connecting rod is connected between the middle parts of the first rotatable arm and the second rotatable arm.
[0019] Compared with the prior art, the utility model has the following beneficial effects:
[0020] 1. The clamping structure of the aluminum alloy die-casting mold includes a bottom plate. A mold support frame for placing the mold is provided in the center of the bottom plate. Clamping mechanisms for clamping the mold in opposite directions are provided on both sides of the mold support frame. The mold is clamped and fixed by the clamping mechanisms. Compared with the traditional method of fixing with bolts and nuts, the installation and disassembly of the mold are more convenient and fast. Specifically, the clamping mechanism includes: two parallel rotating arms, namely the first rotating arm and the second rotating arm, which are rotatably installed on the mounting frame; a connecting beam, which is fixedly connected between the tops of the two rotating arms, and a clamping claw is installed on the connecting beam; a hydraulic cylinder, which is installed on the mounting frame and is connected to one rotating arm to drive the rotating arm to rotate, thereby driving the clamping claw to clamp the mold.
[0021] 2. The mold support frame of the clamping structure of the aluminum alloy die-casting mold includes two oppositely arranged columns. A load-bearing plate is provided at the top of the columns. The shape of the load-bearing plate is L-shaped, and a plurality of notches are provided on the side of the load-bearing plate. The clamping claw includes several parallel struts connected to the inner side of the connecting beam. The end of the strut far from the connecting beam is connected with a clamping block, and the clamping block can pass through the notch to clamp the mold placed on the load-bearing plate. Description of the Drawings
[0022] Figure 1 Schematic three-dimensional structure diagram (view angle one) of the embodiment of the clamping structure of the aluminum alloy die-casting mold of the present utility model;
[0023] Figure 2 Schematic three-dimensional structure diagram (view angle two) of the embodiment of the clamping structure of the aluminum alloy die-casting mold of the present utility model;
[0024] Figure 3 Schematic three-dimensional structure diagram (view angle three) of the embodiment of the clamping structure of the aluminum alloy die-casting mold of the present utility model;
[0025] Figure 4 Schematic three-dimensional structure diagram (view angle four) of the embodiment of the clamping structure of the aluminum alloy die-casting mold of the present utility model;
[0026] The reference numerals in the drawings of the specification include:
[0027] Mold (01), bottom plate (1), mold support frame (2), column (21), load-bearing plate (22), notch (221), mounting frame (3), first mounting frame (31), second mounting frame (32), hinge shaft (33), clamping mechanism (4), first rotating arm (41), second rotating arm (42), connecting beam (43), clamping claw (44), strut (441), clamping block (442), connecting rod (45), hydraulic cylinder (46). Detailed Embodiment
[0028] To enable those skilled in the art to better understand the present utility model, the technical solution of the present utility model will be further described below in conjunction with the accompanying drawings and embodiments.
[0029] Among them, the accompanying drawings are only for illustrative purposes, showing only schematic diagrams, rather than physical diagrams, and should not be construed as a limitation to this patent; in order to better illustrate the embodiments of the present utility model, some components in the accompanying drawings will be omitted, enlarged or reduced, and do not represent the dimensions of the actual product; for those skilled in the art, it is understandable that some well-known structures and their descriptions in the accompanying drawings may be omitted.
[0030] In the accompanying drawings of the embodiments of the present utility model, the same or similar reference numerals correspond to the same or similar components; in the description of the present utility model, it should be understood that if terms such as "upper", "lower", "left", "right", "inner", "outer", etc. are used to indicate the orientation or positional relationship, it is based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the terms describing the positional relationship in the accompanying drawings are only for illustrative purposes and should not be construed as a limitation to this patent. For those of ordinary skill in the art, the specific meanings of the above terms can be understood according to specific circumstances.
[0031] In the description of the present utility model, unless otherwise clearly specified and defined, if terms such as "connection" are used to indicate the connection relationship between components, this term should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and can be the communication inside two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.
[0032] Embodiment 1:
[0033] As Figures 1-4 shown, the present utility model. Specifically, an aluminum alloy die-casting mold clamping structure includes a bottom plate 1. In the center of the bottom plate 1, there is a mold support frame 2 for placing the mold 01. On both sides of the mold support frame 2, there are clamping mechanisms 4 for clamping the mold 01 in opposite directions. At the four corners of the bottom plate 1, there are mounting frames 3;
[0034] The clamping mechanism 4 includes; two parallel rotating arms, namely the first rotating arm 41 and the second rotating arm 42, and the rotating arms are rotatably installed on the mounting frame 3;
[0035] A connecting beam 43, the connecting beam 43 is fixedly connected between the tops of the two rotating arms, and a clamping claw 44 is installed on the connecting beam 43;
[0036] A hydraulic cylinder 46 is installed on the mounting bracket 3 and is connected to a rotating arm to drive the rotation of the rotating arm, thereby driving the clamping jaws 44 to clamp the mold 01.
[0037] By adopting the above structural design, the clamping structure of the aluminum alloy die-casting mold includes a bottom plate 1. In the center of the bottom plate 1, there is a mold support frame 2 for placing the mold 01. On both sides of the mold support frame 2, there is a clamping mechanism 4 for clamping the mold 01 in opposite directions. The mold 01 is clamped and fixed by the clamping mechanism 4. Compared with the traditional method of fixing by bolts and nuts, the installation and disassembly of the mold 01 are more convenient and fast. Specifically, the clamping mechanism 4 includes: two parallel rotating arms, namely the first rotating arm 41 and the second rotating arm 42, which are rotatably installed on the mounting bracket 3; a connecting beam 43, which is fixedly connected between the tops of the two rotating arms, and a clamping jaw 44 is installed on the connecting beam 43; a hydraulic cylinder 46, which is installed on the mounting bracket 3 and is connected to a rotating arm to drive the rotation of the rotating arm, thereby driving the clamping jaw 44 to clamp the mold 01.
[0038] The mold support frame 2 includes two pairs of oppositely arranged columns 21. At the top of the columns 21, there is a load-bearing plate 22. The shape of the load-bearing plate 22 is L-shaped, and a plurality of notches 221 are provided on the side of the load-bearing plate 22.
[0039] The mounting bracket 3 includes a first mounting bracket 31 and a second mounting bracket 32. The first rotating arm 41 is rotatably installed on the hinge shaft 33 at the top of the first mounting bracket 31, and the second rotating arm 42 is rotatably installed on the hinge shaft 33 at the top of the second mounting bracket 32. The hydraulic cylinder 46 is movably installed on the second mounting bracket 32 and is hinged to the lower part of the second rotating arm 42.
[0040] The clamping jaw 44 includes a number of support rods 441 connected in parallel to the inner side of the connecting beam 43. One end of the support rod 441 away from the connecting beam 43 is connected with a clamping block 442.
[0041] The number of the clamping blocks 442 is less than or equal to the number of the notches 221, and the width of the clamping block 442 is less than the width of the notch 221.
[0042] By adopting the above structural design, the mold support frame 2 of the clamping structure of the aluminum alloy die-casting mold includes two pairs of oppositely arranged columns 21. At the top of the columns 21, there is a load-bearing plate 22. The shape of the load-bearing plate 22 is L-shaped, and a plurality of notches 221 are provided on the side of the load-bearing plate 22. The clamping jaw 44 includes a number of support rods 441 connected in parallel to the inner side of the connecting beam 43. One end of the support rod 441 away from the connecting beam 43 is connected with a clamping block 442, and the clamping block 442 can pass through the notch 221 to clamp the mold 01 placed on the load-bearing plate 22.
[0043] A connecting rod 45 is connected between the middle parts of the first rotating arm 41 and the second rotating arm 42.
[0044] Working principle: First, place the mold 01 on the bearing plate 22, and then start the hydraulic cylinder 46. The movement of the piston rod of the hydraulic cylinder 46 drives the second rotating arm 42 to rotate around the hinge shaft 33. At the same time, through the connecting beam 43 and the connecting rod 45, the first rotating arm 41 is driven to rotate synchronously, so that the clamping claws 44 on the connecting beam 43 clamp the mold 01 oppositely. Compared with the traditional method of fixing with bolts and nuts, the installation and disassembly of the mold 01 are more convenient and fast.
[0045] The above are only embodiments of the present invention. The circuits, electronic components and modules involved are all prior arts, which can be fully realized by those skilled in the art without further elaboration. The content protected by this application does not involve improvements to software and methods. The specific structures and characteristics and other common knowledge well known in the solution are not described in detail here. Those of ordinary skill in the art know all the common technical knowledge in the technical field of the utility model before the application date or the priority date, can know all the prior arts in this field, and have the ability to apply the conventional experimental means before this date. Those of ordinary skill in the art can, under the inspiration given by this application and combined with their own abilities, improve and implement this solution. Some typical well-known structures or well-known methods should not become obstacles for those of ordinary skill in the art to implement this application. It should be noted that for those skilled in the art, without departing from the structure of the present invention, several deformations and improvements can still be made, which should also be regarded as the protection scope of the present invention, and these will not affect the implementation effect of the present invention and the practicality of the patent.
Claims
1. A clamping structure for an aluminum alloy die-casting mold, comprising a base plate (1), wherein a mold support frame (2) for placing a mold (01) is arranged at the center of the base plate (1), characterized in that: The two sides of the mold support frame (2) are provided with clamping mechanisms (4) for clamping the mold (01) opposite to each other, and the four corners of the base plate (1) are provided with mounting frames (3); The clamping mechanism (4) comprises: two rotating arms arranged in parallel, namely a first rotating arm (41) and a second rotating arm (42), the rotating arms being rotatably mounted on the mounting frame (3); A connecting beam (43), the connecting beam (43) being fixedly connected between the tops of the two rotating arms, and a clamping claw (44) being mounted on the connecting beam (43); A hydraulic cylinder (46) is mounted on a mounting frame (3) and connected to a rotating arm to drive the rotating arm to rotate, thereby driving a clamping claw (44) to clamp the mold (01).
2. The aluminum alloy die-casting mold clamping structure according to claim 1, characterized in that: The mold support frame (2) comprises two oppositely arranged columns (21), a load-bearing plate (22) is arranged on the top of the column (21), the load-bearing plate (22) is in an L-shape, and a plurality of notches (221) are provided on the side of the load-bearing plate (22).
3. The aluminum alloy die-casting mold clamping structure according to claim 2, characterized in that: The mounting frame (3) comprises a first mounting frame (31) and a second mounting frame (32); the first rotating arm (41) is rotatably mounted on a hinge shaft (33) at the top of the first mounting frame (31); the second rotating arm (42) is rotatably mounted on a hinge shaft (33) at the top of the second mounting frame (32); the hydraulic cylinder (46) is movably mounted on the second mounting frame (32) and is hinged to the lower part of the second rotating arm (42).
4. The aluminum alloy die-casting mold clamping structure according to claim 3, characterized in that: The clamping claw (44) comprises a plurality of support rods (441) connected in parallel to the inner side of the connecting beam (43); one end of the support rod (441) away from the connecting beam (43) is connected to a clamping block (442).
5. The aluminum alloy die-casting mold clamping structure according to claim 4, characterized in that: The number of the clamping blocks (442) is less than or equal to the number of the notches (221), and the width of the clamping blocks (442) is less than the width of the notches (221).
6. The aluminum alloy die-casting mold clamping structure according to claim 2, characterized in that: A connecting rod (45) is connected between the middle parts of the first rotating arm (41) and the second rotating arm (42).