Die-casting die for metal material

Abstract

The utility model relates to the technical field of die-casting, in particular to a die-casting die for metal materials. The die-casting machine comprises a die-casting rack, a static die, a hydraulic cylinder, a movable die, a protection mechanism and a cooling assembly, the static die is arranged at the bottom of the inner side of the die-casting rack, the hydraulic cylinder is installed above the die-casting rack, the output end of the hydraulic cylinder penetrates through the die-casting rack to be connected with the movable die, and the protection mechanism matched with the movable die is arranged on the inner side of the die-casting rack. Through the arrangement of the protection mechanism and the cooperation of the connecting plate, the connecting shaft, the baffle plates, the gear, the fixing frame and the rack, when the movable mold descends under the driving action of the hydraulic cylinder, the rack is driven to descend through the fixing frame, and the rack is meshed with the gear to drive the two baffle plates to rotate around the rotating shaft; once the hand of a worker is placed on the inner side of the die-casting rack, the sideboard can touch the hand of the worker before die assembly, the worker is reminded to retract the hand in time, and the overall potential safety hazard is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of die casting, in particular to a die casting die for metal materials. Background Art

[0002] Die casting molds are tools used to cast metal products in the die casting process. It is a key component in the die casting process and is used to inject molten metal into the mold to form the desired product shape. Die casting molds usually consist of two or more mold parts, including an upper mold and a lower mold. These mold parts are made of high-strength metal materials such as tool steel, hot work tool steel, etc. to withstand high temperature and high pressure working environments.

[0003] A Chinese patent with authorization announcement number CN215544820U discloses a die-casting mold with a long service life. The die-casting mold has a vertical plate, a square hole, a die-casting mold slot block, an L-shaped plate, a horizontal plate, a side plate, a pull plate, a square plate and an inner spring. The L-shaped plate and the square plate can be moved out of the corresponding square slot by only pulling the pull plate. At this time, the limit on the die-casting mold slot block can be released, making it convenient to remove the die-casting mold slot block for maintenance, thereby increasing the service life of the die-casting mold.

[0004] However, when the above-mentioned device is in use, no protective components are set. During the die-casting process, the movable mold has a huge impact force under the drive of the hydraulic cylinder. If the worker's body or hands are placed in the moving range of the movable mold, it is likely to cause corresponding pinching risks. Utility Model Content

[0005] In view of the problems existing in the background technology, a die-casting mold for metal materials is proposed. By setting a protective mechanism, through the cooperation of a connecting plate, a connecting shaft, a baffle, a gear, a fixed frame and a rack, when the movable mold descends under the driving action of a hydraulic cylinder, the rack will be driven to descend through the fixed frame, and the rack will drive the two baffles to rotate around the rotating shaft by meshing with the gear. Once the staff's hand is placed on the inner side of the die-casting frame, the baffle will touch the staff's hand before the mold is closed, reminding the staff to retract their hands in time, thereby reducing the overall safety hazards.

[0006] The utility model further proposes a die-casting mold for metal materials, comprising a die-casting frame, a static mold, a hydraulic cylinder, a dynamic mold and a cooling component. The static mold is arranged at the bottom of the inner side of the die-casting frame, the hydraulic cylinder is installed above the die-casting frame, the output end of the hydraulic cylinder passes through the die-casting frame and is connected with the dynamic mold, a protective mechanism cooperating with the dynamic mold is arranged on the inner side of the die-casting frame, the dynamic mold is located directly above the static mold, both the static mold and the dynamic mold are provided with a cooperating cavity, a cooling groove located below the cavity is arranged on the inner side of the static mold, and the cooling component is arranged in the cooling groove.

[0007] Preferably, the protective mechanism includes a connecting plate, a connecting shaft, a baffle, a gear, a fixed frame and a rack; the connecting plate, the connecting shaft, the baffle and the rack are each provided in two groups, the bottom ends of the two groups of connecting plates are rotatably provided with a connecting shaft through a shaft sleeve, the baffle is installed at one end of the connecting shaft, the other end of the connecting shaft is connected to a gear, a rack is meshed between the two gears, and the back of the rack is connected to a fixed frame; the fixed frame is installed on the movable mold.

[0008] Preferably, the cooling component includes a U-shaped heat exchange coil, a water inlet pipe, a water outlet pipe, a cold water tank, a hot water tank and a water pump. The U-shaped heat exchange coil is located in the cooling trough, and the two ends of the U-shaped heat exchange coil are respectively connected with a water inlet pipe and a water outlet pipe. The cold water tank and the hot water tank are both arranged in the die-casting frame on both sides of the static mold, the water outlet pipe is connected with the hot water tank, and the water inlet pipe is connected with the cold water tank. A water pump connected with the water inlet pipe is installed on the cold water tank.

[0009] Preferably, the groove wall of the cooling groove is provided with a heat conducting plate located on one side of the U-shaped heat exchange coil, and a plurality of heat conducting copper bars are connected to the heat conducting plate. The plurality of heat conducting copper bars are respectively staggered with the U-shaped heat exchange coil, and the side walls of the plurality of heat conducting copper bars are all arranged in contact with the U-shaped heat exchange coil.

[0010] Preferably, the fixing frame is mounted on the movable mold, and the rack is mounted on the front side of the movable mold through the fixing frame.

[0011] Preferably, the two groups of connecting plates are installed on the top of the inner side of the die-casting frame, and the two groups of connecting plates are arranged corresponding to the center line of the die-casting frame.

[0012] Compared with the prior art, the utility model has the following beneficial technical effects: by providing a protective mechanism, through the cooperation of the connecting plate, the connecting shaft, the baffle, the gear, the fixed frame and the rack, when the movable mold descends under the driving action of the hydraulic cylinder, the rack will be driven to descend through the fixed frame, and the rack will drive the two baffles to rotate around the rotating shaft by meshing with the gear. Once the staff's hand is placed on the inner side of the die-casting machine frame, the baffle will touch the staff's hand before the mold is closed, reminding the staff to retract their hands in time, thereby reducing the overall safety hazard. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the structure of a die-casting mold for metal materials of the utility model;

[0014] Figure 2 for Figure 1 A schematic diagram of the front view structure of

[0015] Figure 3 for Figure 1 Schematic diagram of the structure viewed from above.

[0016] Figure numerals: 1. die-casting machine frame; 2. static mold; 3. hydraulic cylinder; 4. dynamic mold; 5. cavity; 6. cooling trough; 7. connecting plate; 8. connecting shaft; 9. baffle; 10. gear; 11. fixed frame; 12. rack; 13. U-shaped heat exchange coil; 14. water inlet pipe; 15. water outlet pipe; 16. cold water tank; 17. hot water tank; 18. water pump; 19. heat conduction plate; 20. heat conductive copper strip. DETAILED DESCRIPTION

[0017] Embodiment 1

[0018] like Figure 1-Figure 2 As shown, the utility model proposes a die-casting mold for metal materials, including a die-casting frame 1, a static mold 2, a hydraulic cylinder 3, a dynamic mold 4, a protective mechanism and a cooling component. The static mold 2 is arranged at the bottom of the inner side of the die-casting frame 1, the hydraulic cylinder 3 is installed above the die-casting frame 1, and the output end of the hydraulic cylinder 3 passes through the die-casting frame 1 and is connected with the dynamic mold 4. The inner side of the die-casting frame 1 is provided with a protective mechanism cooperating with the dynamic mold 4. The dynamic mold 4 is located directly above the static mold 2. Both the static mold 2 and the dynamic mold 4 are provided with a matching cavity 5. The inner side of the static mold 2 is provided with a cooling groove 6 located below the cavity 5, and the cooling component is arranged in the cooling groove 6.

[0019] Among them, the protective mechanism includes a connecting plate 7, a connecting shaft 8, a baffle 9, a gear 10, a fixed frame 11 and a rack 12; the connecting plate 7, the connecting shaft 8, the baffle 9 and the rack 12 are each provided with two groups, the two groups of connecting plates 7 are both installed on the top of the inner side of the die-casting machine frame 1, the bottom ends of the two groups of connecting plates 7 are both rotatably provided with a connecting shaft 8 through a sleeve, the baffle 9 is installed at one end of the connecting shaft 8, the other end of the connecting shaft 8 is connected to a gear 10, a rack 12 is meshed between the two gears 10, the back of the rack 12 is connected to a fixed frame 11, and the fixed frame 11 is installed on the movable mold 4.

[0020] The working principle of the utility model is as follows: when in use, by starting the hydraulic cylinder 3, the hydraulic cylinder 3 drives the movable mold 4 to descend, so that the movable mold 4 and the static mold 2 are closed. During the descending process of the movable mold 4, the movable mold 4 drives the rack 12 to descend synchronously through the fixed frame 11. During the descent process of the rack 12, it meshes with the gear 10, and the meshing force reacts on the connecting shaft 8, so that one end of the connecting shaft 8 drives the baffle 9 to swing with the connecting shaft 8 as the center. During the swinging process, once the staff's hand is placed on the inner side of the die-casting machine frame 1, the baffle 9 will touch the staff's hand before the mold is closed, which serves as a warning. In this way, the staff can be reminded to retract their hands immediately to avoid damage caused by the closing of the mold, and the staff does not need to actively trigger the warning measures, thereby improving the convenience of operation.

[0021] Embodiment 2

[0022] like Figure 2-Figure 3As shown, the utility model proposes a die-casting mold for metal materials. On the basis of the above embodiment, this embodiment discloses in detail the specific structure of the cooling component, which includes a U-shaped heat exchange coil 13, a water inlet pipe 14, a water outlet pipe 15, a cold water tank 16, a hot water tank 17 and a water pump 18. The U-shaped heat exchange coil 13 is located in the cooling tank 6, and the two ends of the U-shaped heat exchange coil 13 are respectively connected with the water inlet pipe 14 and the water outlet pipe 15. The cold water tank 16 and the hot water tank 17 are both arranged in the die-casting frame 1 on both sides of the static mold 2, the water outlet pipe 15 is connected with the hot water tank 17, the water inlet pipe 14 is connected with the cold water tank 16, and the cold water tank 16 is installed with a water pump 18 connected with the water inlet pipe 14.

[0023] Furthermore, the groove wall of the cooling groove 6 is provided with a heat conducting plate 19 located on one side of the U-shaped heat exchange coil 13, and a plurality of heat conducting copper bars 20 are connected to the heat conducting plate 19. The plurality of heat conducting copper bars 20 are respectively staggered with the U-shaped heat exchange coil 13, and the side walls of the plurality of heat conducting copper bars 20 are all arranged in contact with the U-shaped heat exchange coil 13. The heat of the mold in the cavity 5 can be quickly transferred to the tube wall of the U-shaped heat exchange coil 13 through the heat conducting plate 19 and the heat conducting copper bars 20.

[0024] In this embodiment, when in use, during the die-casting process, the water pump 18 is used to inject cold water from the cold water tank 16 into the U-shaped heat exchange coil 13 through the water inlet pipe 14, and the heat conducting plate 19 and the heat conducting copper bar 20 cooperate to quickly conduct the heat of the mold in the cavity 5 to the tube wall of the U-shaped heat exchange coil 13, so that the cold water can quickly exchange heat with the heat sensed on the tube wall, thereby improving the cooling efficiency of the mold. By cooling the mold, thermal stress and thermal expansion and contraction can be reduced, thereby protecting the integrity and life of the mold.

[0025] The implementation modes of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge scope of technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A die-casting mold for metal material, characterized in that: The die casting machine comprises a die casting frame (1), a static die (2), a hydraulic cylinder (3), a dynamic die (4) and a cooling component. The static die (2) is arranged at the bottom of the inner side of the die casting frame (1). The hydraulic cylinder (3) is installed above the die casting frame (1). The output end of the hydraulic cylinder (3) passes through the die casting frame (1) and is connected to the dynamic die (4). The inner side of the die casting frame (1) is provided with a protective mechanism matched with the dynamic die (4). The dynamic die (4) is located directly above the static die (2). The static die (2) and the dynamic die (4) are both provided with a mold cavity (5) which is matched with each other. The inner side of the static die (2) is provided with a cooling groove (6) located below the mold cavity (5). The cooling component is arranged in the cooling groove (6).

2. A die-casting mold for metal material according to claim 1, characterized in that: The protection mechanism comprises a connecting plate (7), a connecting shaft (8), a baffle (9), a gear (10), a fixing frame (11) and a rack (12); The connecting plate (7), the connecting shaft (8), the baffle plate (9) and the rack (12) are each provided with two groups. The bottom ends of the two groups of connecting plates (7) are rotatably provided with the connecting shaft (8) through a shaft sleeve. The baffle plate (9) is installed on one end of the connecting shaft (8). The other end of the connecting shaft (8) is connected with a gear (10). A rack (12) is meshed between the two gears (10). The back of the rack (12) is connected with a fixing frame (11); the fixing frame (11) is installed on the movable mold (4).

3. A die-casting mold for metal material according to claim 1, characterized in that: The cooling component comprises a U-shaped heat exchange coil (13), a water inlet pipe (14), a water outlet pipe (15), a cold water tank (16), a hot water tank (17) and a water pump (18). The U-shaped heat exchange coil (13) is located in a cooling tank (6). The two ends of the U-shaped heat exchange coil (13) are respectively connected with the water inlet pipe (14) and the water outlet pipe (15). The cold water tank (16) and the hot water tank (17) are both arranged in the die casting frame (1) on both sides of the static mold (2). The water outlet pipe (15) is connected with the hot water tank (17), the water inlet pipe (14) is connected with the cold water tank (16), and a water pump (18) connected with the water inlet pipe (14) is installed on the cold water tank (16).

4. A die-casting mold for metal material according to claim 3, characterized in that: The cooling groove (6) is provided with a heat conducting plate (19) located on one side of the U-shaped heat exchange coil (13) on the groove wall, and a plurality of heat conducting copper bars (20) are connected to the heat conducting plate (19). The plurality of heat conducting copper bars (20) are respectively arranged in a staggered manner with the U-shaped heat exchange coil (13), and the side walls of the plurality of heat conducting copper bars (20) are all arranged in contact with the U-shaped heat exchange coil (13).

5. The die-casting mold for metal material according to claim 1, characterized in that: The fixing frame (11) is installed on the movable mold (4), and the rack (12) is installed on the front side of the movable mold (4) through the fixing frame (11).

6. A die-casting mold for metal material according to claim 1, characterized in that: The two groups of connecting plates (7) are both mounted on the top of the inner side of the die-casting machine frame (1), and the two groups of connecting plates (7) are arranged corresponding to the center line of the die-casting machine frame (1).

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