Die-casting die capable of rapidly positioning and guiding

Abstract

The die-casting die comprises a frame body and an upper die body, a positioning groove is formed in the middle of the top end of the frame body, a lower die body is clamped to the inner wall of the positioning groove, lead screws are rotationally connected to the two sides of the top end of the frame body through bearings, and sleeves are connected to the surfaces of the two lead screws in a threaded and sleeved mode. The opposite sides of the two sleeves are fixedly connected with connecting plates, the two connecting plates are fixedly connected to the two sides of the upper mold correspondingly, the bottom ends of the two lead screws are fixedly connected with belt wheels, a gear motor is fixedly installed on one side of the inner wall of the frame body, one side of the top end of the frame body is fixedly connected with a vertical plate, and the back face of the vertical plate is fixedly connected with a cooling box. According to the die-casting die capable of quickly positioning and guiding, the upper die and the lower die can be automatically assembled or demoulded, the die-casting die is convenient to operate and high in working efficiency, a workpiece in the lower die can be quickly cooled during demoulding, and the conditions of cracks and deformation caused by thermal stress are avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of die-casting molds, in particular to a die-casting mold capable of rapid positioning and guiding. Background Art

[0002] Die casting molds are used to inject molten metal or alloy under high pressure to produce parts or products with specific shapes.

[0003] However, the existing die-casting molds have the following disadvantages:

[0004] (1) The existing die-casting mold lacks a fast positioning and guiding mold closing structure between the upper and lower molds, resulting in low efficiency in closing and demolding;

[0005] (2) Existing die-casting molds lack a rapid cooling structure for the molded workpiece, and thermal stress can easily cause cracks and deformation in the workpiece. Utility Model Content

[0006] The purpose of the utility model is to provide a die-casting mold capable of rapid positioning and guiding, so as to solve the problems proposed in the above background technology that the existing die-casting mold lacks a fast positioning and guiding mold structure between the upper and lower molds, resulting in low efficiency of mold closing and demolding, the die-casting mold lacks a rapid cooling structure for the molded workpiece, and thermal stress easily causes cracks and deformation of the workpiece.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a die-casting mold capable of rapid positioning and guiding, comprising a frame and an upper mold, a positioning groove is provided in the middle of the top end of the frame, a lower mold is engaged with the inner wall of the positioning groove, both sides of the top end of the frame are rotatably connected with screws through bearings, the surfaces of the two screws are threaded with sleeves, the opposite sides of the two sleeves are fixedly connected with connecting plates, and the two connecting plates are respectively fixedly connected to the two sides of the upper mold, the bottom ends of the two screws are fixedly connected with pulleys, a reduction motor is fixedly installed on one side of the inner wall of the frame, a vertical plate is fixedly connected to one side of the top end of the frame, a cooling box is fixedly connected to the back of the vertical plate, a fan is fixedly installed on the back of the cooling box, and a semiconductor refrigerator is fixedly installed on the top of the cooling box.

[0008] When using a die-casting mold capable of rapid positioning and guiding according to the technical solution, the upper mold and the lower mold can be automatically molded or demolded, which is convenient to operate and has high work efficiency. When demolding, the workpiece in the lower mold can be quickly cooled to avoid cracks and deformation caused by thermal stress.

[0009] As a preferred technical solution of the utility model, the front of the vertical plate is fixedly connected with an air distribution box, the front of the air distribution box is evenly fixedly connected with a plurality of air outlets, and the interior of the cooling box is connected with the interior of the air distribution box, the input end of the fan is engaged with a filter, and the output end of the fan is connected with the interior of the cooling box. The provision of a plurality of air outlets makes the cold air discharge more uniform.

[0010] As a preferred technical solution of the utility model, the output end of the reduction motor is fixedly connected to the pulley, and the surfaces of the two pulleys are sleeved with a transmission belt, which plays a transmission role between the pulleys.

[0011] As a preferred technical solution of the utility model, the four corners of the top of the lower mold are provided with positioning protrusions, and the bottom of the upper mold is engaged with the lower mold. The arrangement of the positioning protrusions makes the engagement between the lower mold and the upper mold tighter.

[0012] As a preferred technical solution of the utility model, the top end of the lead screw is fixedly connected to a limiting block, which is provided to limit the movement of the sleeve.

[0013] As a preferred technical solution of the utility model, a material injection port is provided in the middle of the top of the upper mold, and the material injection port is used to inject molten metal into the mold.

[0014] As a preferred technical solution of the utility model, handles are fixedly connected to both sides of the lower mold, so as to facilitate the carrying of the lower mold.

[0015] As a preferred technical solution of the utility model, a switch panel is fixedly installed on one side of the front of the frame, and the reduction motor, fan and semiconductor refrigerator are electrically connected to an external power supply through the switch panel. The switch panel is set to control the operation of the mold.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. Place the lower die in the positioning groove, start the reduction motor, and drive the two pulleys and the upper screw to rotate simultaneously with the cooperation of the transmission belt, so that the two sleeves and the upper die can move up and down, and can automatically close or demold the lower die. The operation is convenient and the work efficiency is high;

[0018] 2. By starting the fan and semiconductor refrigerator when demolding the workpiece, the cooling end of the semiconductor refrigerator fits the cooling box to cool the air inside it, and then the fan blows the cold air into the air distribution box and sprays it evenly from several air outlets, which can quickly cool the workpiece in the lower mold and avoid cracks and deformation caused by thermal stress. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1It is a three-dimensional diagram of the utility model;

[0020] Figure 2 It is a cross-sectional view of the utility model;

[0021] Figure 3 It is a cross-sectional view of the vertical plate of the utility model;

[0022] Figure 4 It is a three-dimensional diagram of the air distribution box of the utility model.

[0023] In the figure: 1. frame; 2. positioning groove; 3. lower mold; 4. upper mold; 5. injection port; 6. connecting plate; 7. positioning protrusion; 8. bearing; 9. lead screw; 10. sleeve; 11. limit block; 12. pulley; 13. reduction motor; 14. transmission belt; 15. handle; 16. vertical plate; 17. air distribution box; 18. air outlet nozzle; 19. cooling box; 20. fan; 21. filter; 22. semiconductor refrigerator; 23. switch panel. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-4 The utility model provides a die-casting mold capable of rapid positioning and guiding, comprising a frame 1 and an upper mold 4, a positioning groove 2 is provided in the middle of the top of the frame 1, a lower mold 3 is engaged with the inner wall of the positioning groove 2, both sides of the top of the frame 1 are rotatably connected with lead screws 9 through bearings 8, the surfaces of the two lead screws 9 are threadedly sleeved with sleeves 10, the opposite sides of the two sleeves 10 are fixedly connected with connecting plates 6, and the two connecting plates 6 are respectively fixedly connected to the two sides of the upper mold 4 for moving the upper mold 4 up and down, the bottom ends of the two lead screws 9 are fixedly connected with pulleys 12, a reduction motor 13 is fixedly installed on one side of the inner wall of the frame 1 to provide rotational power, a vertical plate 16 is fixedly connected to one side of the top of the frame 1, a cooling box 19 is fixedly connected to the back of the vertical plate 16, a fan 20 is fixedly installed on the back of the cooling box 19, a semiconductor refrigerator 22 is fixedly installed on the top of the cooling box 19, and the cooling end is used for cooling.

[0026] When in use, the lower mold 3 is positioned and placed in the positioning groove 2, and the upper mold 4 can be driven to move up and down by starting the reduction motor 13, and can automatically close or demold with the lower mold 3, which is convenient to operate and has high work efficiency. By starting the fan 20 and the semiconductor refrigerator 22 when demolding the workpiece, the cooling end of the semiconductor refrigerator 22 fits with the cooling box 19 to cool the air inside it, and blows cold air to the workpiece in the lower mold 3, so that it can be quickly cooled and cooled, avoiding cracks and deformation caused by thermal stress;

[0027] The front of the vertical plate 16 is fixedly connected with an air distribution box 17, and the front of the air distribution box 17 is evenly fixedly connected with a plurality of air outlets 18, and the interior of the cooling box 19 is connected with the interior of the air distribution box 17, and the input end of the fan 20 is engaged with a filter 21 for filtering dust, and the output end of the fan 20 is connected with the interior of the cooling box 19, and the output end of the reduction motor 13 is fixedly connected with the pulley 12, and the surfaces of the two pulleys 12 are provided with a transmission belt 14, which plays a transmission role;

[0028] When in use, by starting the reduction motor 13, with the cooperation of the transmission belt 14, the two pulleys 12 and the upper screw 9 are driven to rotate simultaneously, so that the two sleeves 10 and the upper mold 4 can move up and down, and the air sucked in by the fan 20 will be filtered by the filter 21 to remove dust, and then the cold air will be blown into the air distribution box 17 and evenly sprayed out by a plurality of air outlet nozzles 18, so that the surface of the workpiece in the lower mold 3 is cooled more evenly;

[0029] The four corners of the top of the lower mold 3 are provided with positioning protrusions 7, and the bottom of the upper mold 4 is engaged with the lower mold 3. The top of the lead screw 9 is fixedly connected to the limiting block 11 to play a limiting role. The middle part of the top of the upper mold 4 is provided with a filling port 5 for injecting molten metal. Both sides of the lower mold 3 are fixedly connected with handles 15 for easy carrying. A switch panel 23 is fixedly installed on one side of the front of the frame 1. The reduction motor 13, the fan 20 and the semiconductor refrigerator 22 are electrically connected to the external power supply through the switch panel 23 to control the operation;

[0030] When in use, the external power supply is turned on, and the operation of the mold is controlled by pressing the switch panel 23. With the cooperation of the positioning protrusion 7, the upper mold 4 and the lower mold 3 are tightly fitted together, and then the molten metal or alloy is injected into the mold from the injection port 5 under high pressure. When the upper mold 4 is moving, the limit block 11 can limit its upward movement to prevent it from falling off, and the handle 15 is provided to facilitate the transportation and movement of the lower mold 3.

[0031] When used specifically, the utility model is a die-casting mold capable of rapid positioning and guiding, and the lower mold 3 is positioned and placed in the positioning groove 2. By starting the reduction motor 13, with the cooperation of the transmission belt 14, the two pulleys 12 and the upper lead screw 9 are driven to rotate simultaneously, so that the two sleeves 10 and the upper mold 4 can move up and down, and can automatically close or demold the lower mold 3. The operation is convenient and the work efficiency is high. By starting the fan 20 and the semiconductor refrigerator 22 when demolding the workpiece, the cooling end of the semiconductor refrigerator 22 fits with the cooling box 19 to cool the air inside it, and then the fan 20 blows the cold air into the air distribution box 17, and a plurality of air outlet nozzles 18 spray it evenly, which can quickly cool the workpiece in the lower mold 3 to avoid cracks and deformation caused by thermal stress.

[0032] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A die-casting mold capable of rapid positioning and guiding, comprising a frame (1) and an upper mold (4), characterized in that: A positioning groove (2) is provided in the middle of the top of the frame (1), and a lower mold (3) is engaged with the inner wall of the positioning groove (2). Both sides of the top of the frame (1) are rotatably connected with screws (9) through bearings (8). The surfaces of the two screws (9) are threadedly sleeved with sleeves (10). The opposite sides of the two sleeves (10) are fixedly connected with connecting plates (6), and the two connecting plates (6) are respectively fixedly connected to the two sides of the upper mold (4). The bottom ends of the two screws (9) are fixedly connected with pulleys (12). A reduction motor (13) is fixedly installed on one side of the inner wall of the frame (1). A vertical plate (16) is fixedly connected to one side of the top of the frame (1). A cooling box (19) is fixedly connected to the back of the vertical plate (16). A fan (20) is fixedly installed on the back of the cooling box (19). A semiconductor refrigerator (22) is fixedly installed on the top of the cooling box (19).

2. A die-casting mold capable of rapid positioning and guiding according to claim 1, characterized in that: The front side of the vertical plate (16) is fixedly connected to an air distribution box (17), the front side of the air distribution box (17) is evenly and fixedly connected to a plurality of air outlets (18), and the interior of the cooling box (19) is connected to the interior of the air distribution box (17), the input end of the fan (20) is engaged with a filter (21), and the output end of the fan (20) is connected to the interior of the cooling box (19).

3. A die-casting mold capable of rapid positioning and guiding according to claim 1, characterized in that: The output end of the reduction motor (13) is fixedly connected to the pulley (12), and the surfaces of the two pulleys (12) are sleeved with a transmission belt (14).

4. A die-casting mold capable of rapid positioning and guiding according to claim 1, characterized in that: The four corners of the top of the lower mold (3) are each provided with a positioning protrusion (7), and the bottom of the upper mold (4) is engaged with the lower mold (3).

5. The die-casting mold capable of rapid positioning and guiding according to claim 1, characterized in that: The top end of the lead screw (9) is fixedly connected to a limiting block (11).

6. The die-casting mold capable of rapid positioning and guiding according to claim 1, characterized in that: A material injection port (5) is provided in the middle of the top end of the upper mold (4).

7. The die-casting mold capable of rapid positioning and guiding according to claim 1, characterized in that: Handles (15) are fixedly connected to both sides of the lower mold (3).

8. The die-casting mold capable of rapid positioning and guiding according to claim 1, characterized in that: A switch panel (23) is fixedly mounted on one side of the front face of the frame (1), and the reduction motor (13), the fan (20) and the semiconductor refrigerator (22) are electrically connected to an external power source via the switch panel (23).

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