Die-casting die for aluminum alloy profile machining

Abstract

The utility model relates to the technical field of die-casting dies, and discloses a die-casting die for aluminum alloy section processing, which comprises a device main body, the device main body comprises a mounting base, a fixed die is mounted at the bottom end of the mounting base, and a hydraulic cylinder is fixedly mounted at the top end of the mounting base through a mounting plate. The hydraulic cylinder is connected with the movable mold in a driving mode, and a cavity used for containing molten aluminum alloy is formed between the movable mold and the fixed mold. The guide mechanism is arranged to ensure the stability and accuracy of the movable mold in the moving process, the guide mechanism is composed of the sliding guide groove and the sliding guide block, the sliding guide groove is formed in the top of the installation base, the sliding guide block is fixedly installed at the bottom of the movable mold, and the sliding guide groove and the sliding guide block are in sliding fit, so that the moving direction of the movable mold is effectively limited; and a guide round hole in the fixed mold is in sliding fit with a guide cylinder on the movable mold, so that the guide effect is further enhanced, and accurate alignment of the molds is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to die casting die technical field more specifically relates to a kind of die casting die for aluminium alloy section bar processing. BACKGROUND

[0002] Aluminium alloy section bar is widely used in aerospace, automobile manufacturing, building decoration and other fields due to its light weight, high strength, good corrosion resistance and other characteristics. In the production process of aluminium alloy section bar, die casting die plays a crucial role, as it directly affects the quality and production efficiency of the product. However, the existing die casting die has some problems in design and use, especially in the clamping process, which is prone to errors, resulting in a decrease in product pass rate and an increase in production cost.

[0003] Specifically, most existing die casting dies lack a dedicated guide mechanism and rely solely on the mating clearance of the die for positioning. This design may meet the basic requirements when the die is first installed or adjusted, but over time, the mating clearance of the die will gradually increase due to die wear, temperature changes, material deformation, and other factors, leading to a decrease in clamping accuracy. In particular, in high-pressure and high-temperature die casting environments, even small errors in the die can cause serious quality problems, such as product surface defects and dimensional deviations.

[0004] Therefore, in view of the above problems, the present utility model provides a die casting die for aluminium alloy section bar processing to achieve a more practical purpose. UTILITY MODEL CONTENTS

[0005] To overcome the above-mentioned defects of the prior art, the present utility model provides a die casting die for aluminium alloy section bar processing to solve the problems in the background art.

[0006] The utility model provides the following technical scheme: a die casting die for aluminium alloy section bar processing, comprising a device main body, the device main body includes a mounting base, a fixed die is installed at the top end of the mounting base, a hydraulic cylinder is fixedly installed at the top end of the mounting base through a mounting plate, the hydraulic cylinder is drivingly connected to a movable die, and a mold cavity for containing aluminium alloy melt is formed between the movable die and the fixed die; the fixed die is provided with a pouring opening, the top end of the pouring opening is communicated with a feeding hopper, and the device main body further comprises a guide mechanism, the guide mechanism comprises a sliding guide groove opened at the top end of the mounting base, a sliding guide block fixedly installed at the bottom end of the movable die, sliding cooperation between the sliding guide block and the sliding guide groove, and a guide round hole opened on the fixed die and a guide cylinder fixedly installed on the movable die, the guide cylinder and the guide round hole are in sliding cooperation.

[0007] Further, the device body further comprises a leveling mechanism, the leveling mechanism comprises four separately telescopic supporting devices installed at four corners of the mounting base, and a level instrument installed on the mounting base, and the leveling of the mold can be completed through cooperation of the four supporting devices and the level instrument, so that the forming precision and quality are improved.

[0008] Further, the supporting device comprises a supporting mounting base fixedly connected with the mounting base, a threaded rod in threaded connection with the supporting mounting base, and a supporting bottom plate connected with the bottom end of the threaded rod through a bearing, and a hand wheel is arranged at the top end of the threaded rod to facilitate adjustment of the height of the supporting device.

[0009] Further, a rolling groove is formed in the bottom end of the sliding guide block, and a rolling ball is rollingly installed in the rolling groove, so that the friction between the sliding guide block and the sliding guide groove is reduced, and the service life is prolonged.

[0010] Further, the contact surfaces of the movable mold and the fixed mold are provided with wear-resistant layers, so that the service life and the forming quality of the mold are improved.

[0011] Further, the bottom surface of the supporting bottom plate is provided with anti-skid lines or anti-skid pads to increase the friction between the supporting device and the ground.

[0012] The technical effects and advantages of the utility model are as follows:

[0013] 1. The utility model discloses a guiding mechanism to ensure the stability and accuracy of the movable mold during movement, the guiding mechanism is composed of a sliding guide groove and a sliding guide block, the former is formed in the top of the mounting base, and the latter is fixedly installed at the bottom of the movable mold, the two are slidingly matched, effectively limit the movement direction of the movable mold, at the same time, the guiding circular hole on the fixed mold and the guiding cylinder on the movable mold are slidingly matched, further enhance the guiding effect, and ensure the accurate alignment of the mold. DRAWINGS

[0014] Figure 1 It is a structure three-dimensional schematic diagram of the utility model Figure One .

[0015] Figure 2 It is a structure three-dimensional schematic diagram of the utility model Figure Two .

[0016] Figure 3 It is a structure three-dimensional schematic diagram of the utility model Figure Three .

[0017] Figure 4 It is the structure enlarged schematic diagram of the utility model Figure 3 A place.

[0018] In the figure: 100, device main body; 110, mounting base; 111, fixed mold; 112, movable mold; 113, hydraulic cylinder; 114, pouring opening; 115, feeding hopper; 117, sliding guide groove; 118, sliding guide block; 119, rolling groove; 120, ball; 121, guide round hole; 122, guide cylinder; 123, support mounting seat; 124, threaded rod; 125, support base plate; 126, level. DETAILED DESCRIPTION

[0019] The technical solutions in the utility model will be clearly and completely described below in combination with the drawings in the utility model.

[0020] Example one: the utility model provides a die casting die for aluminum alloy profile machining, including device main body 100, device main body 100 is supported by mounting base 110 as the basis, and the top of mounting base 110 is fixedly installed with fixed mold 111, and this is one of the key components of aluminum alloy melt injection and forming.In the top of mounting base 110, hydraulic cylinder 113 is stably installed through mounting plate, and the piston rod of hydraulic cylinder 113 is connected with movable mold 112, movable mold 112 can move through the extension and retraction action of hydraulic cylinder 113, and the closed cavity is formed between movable mold 112 and fixed mold 111, which is used to accommodate and compress aluminum alloy melt, so as to realize die casting forming.

[0021] In order to facilitate the injection of aluminum alloy melt, pouring opening 114 is designed on fixed mold 111, and the top of pouring opening 114 is connected with feeding hopper 115.

[0022] In addition, device main body 100 also integrates a guide mechanism to ensure the stability and accuracy of movable mold 112 during movement.The guide mechanism is composed of sliding guide groove 117 and sliding guide block 118, the former is opened in the top of mounting base 110, and the latter is fixedly installed in the bottom of movable mold 112, and the two are slidingly matched, effectively limiting the moving direction of movable mold 112.At the same time, guide round hole 121 on fixed mold 111 and guide cylinder 122 on movable mold 112 are slidingly matched, further enhancing the guiding effect and ensuring the accurate alignment of the mold.

[0023] Example two:

[0024] On the basis of embodiment one, embodiment two introduces a leveling mechanism to improve the molding precision and quality of the mold. The leveling mechanism is composed of four independently extendable support devices and a level 126. The four support devices are respectively installed at the four corners of the mounting base 110. Each support device includes a support mounting seat 123, a threaded rod 124, and a support bottom plate 125. The threaded rod 124 is threadedly connected with the support mounting seat 123, and the support bottom plate 125 is connected with the bottom end of the threaded rod 124 through a bearing. By rotating the hand wheel at the top end of the threaded rod 124, the height of the support device can be easily adjusted, thereby realizing the leveling of the mold. The level 126 is used to monitor the horizontal state of the mold in real time, providing an intuitive basis for leveling work.

[0025] To further optimize the performance of the mold, the sliding guide block 118 is improved by opening a rolling groove 119 at the bottom and installing a ball 120 inside the rolling groove 119. This design significantly reduces the friction between the sliding guide block 118 and the sliding guide groove 117, not only prolonging the service life of the mold, but also improving the moving efficiency of the movable mold 112.

[0026] In addition, the contact surfaces of the movable mold 112 and the fixed mold 111 are additionally provided with wear-resistant layers, which further improve the service life and molding quality of the mold. At the same time, the bottom surface of the support bottom plate 125 is also designed with anti-skid lines or anti-skid pads to increase the friction between the support device and the ground, preventing the mold from sliding or tilting during work.

[0027] Finally, it should be noted that in the description of the present application, it should be noted that unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be broadly understood, which can be mechanical connection or electrical connection, or the internal communication of two elements, or direct connection. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may change;

[0028] Secondly: the utility model discloses the embodiment of the drawings only relates to the structure involved in the embodiment of the present disclosure, and other structures can refer to the usual design, and under the condition of no conflict, the same embodiment and different embodiments of the utility model can be combined with each other.

[0029] Finally: the above is only the preferred embodiment of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A die-casting mold for processing aluminum alloy profiles, comprising a device body (100), the device body (100) comprising a mounting base (110), a fixed mold (111) being mounted on the top of the mounting base (110), a hydraulic cylinder (113) being fixedly mounted on the top of the mounting base (110) via a mounting plate, the hydraulic cylinder (113) drivingly connecting a movable mold (112), a cavity for accommodating aluminum alloy melt being formed between the movable mold (112) and the fixed mold (111); a pouring port (114) being provided on the fixed mold (111), the top of the pouring port (114) being connected to a delivery hopper (115), and characterized in that: The device body (100) further includes a guide mechanism, which includes a sliding guide groove (117) provided on the top of the mounting base (110), a sliding guide block (118) fixedly installed on the bottom of the movable mold (112), the sliding guide block (118) slidingly fitting with the sliding guide groove (117), a guide circular hole (121) provided on the fixed mold (111), and a guide cylinder (122) fixedly installed on the movable mold (112), the guide cylinder (122) slidingly fitting with the guide circular hole (121).

2. The die-casting mold for processing aluminum alloy profiles according to claim 1, characterized in that: The device body (100) further includes a leveling mechanism, which includes four independently retractable support devices respectively mounted at four corners of the mounting base (110), and a spirit level (126) mounted on the mounting base (110). The four support devices cooperate with the spirit level (126) to complete the leveling of the mold, thereby improving the molding accuracy and quality.

3. The die-casting mold for processing aluminum alloy profiles according to claim 2, characterized in that: The support device comprises a support mounting seat (123) fixedly connected to the mounting base (110), a threaded rod (124) threadedly connected to the support mounting seat (123), and a support base plate (125) connected to the bottom end of the threaded rod (124) via a bearing. A hand wheel is provided at the top end of the threaded rod (124) to facilitate adjustment of the height of the support device.

4. The die-casting mold for processing aluminum alloy profiles according to claim 1, characterized in that: A rolling groove (119) is provided at the bottom end of the sliding guide block (118), and a ball (120) is installed in the rolling groove (119) for rolling, thereby reducing the friction between the sliding guide block (118) and the sliding guide groove (117) and extending the service life.

5. The die-casting mold for processing aluminum alloy profiles according to claim 1, characterized in that: The contact surfaces of the movable mold (112) and the fixed mold (111) are both provided with a wear-resistant layer to improve the service life and molding quality of the molds.

6. The die-casting mold for processing aluminum alloy profiles according to claim 3, characterized in that: The bottom surface of the supporting base plate (125) is provided with anti-skid patterns or anti-skid pads to increase the friction between the supporting device and the ground.

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