Vacuum die-casting die for automobile parts

Abstract

The utility model discloses a vacuum die-casting mould for automobile parts, which comprises a fixed mould and a movable mould, the fixed mould and the movable mould are both used for vacuum die-casting of the automobile parts, the top end of the fixed mould is fixedly provided with a demoulding mechanism, and the outer wall of the top of the fixed mould is fixedly provided with a vacuum sealing mechanism; the demolding mechanism comprises a demolding frame, and a demolding groove is formed in the middle of the demolding frame. The output end of the motor fixed to one side of the demolding frame drives the positioning lead screw to rotate, and the lifting frame ascends and descends through limiting of the positioning groove, so that the interior of the oil outlet groove drives demolding oil to enter the demolding groove through external pressure; and the demolding oil stored in the demolding groove is extruded by pressure to enter a gap between the mold and the automobile part, so that burrs caused by the gap do not exist during daily die casting, the demolding convenience of the automobile part is improved, and program waste is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of vacuum die-casting molds, in particular to a vacuum die-casting mold for automobile parts. Background Art

[0002] Auto parts are the various units that make up the whole car and a kind of product that serves the car. There are many kinds of auto parts. With the improvement of people's living standards, people's consumption of cars is increasing, and the market of auto parts is getting bigger and bigger. In recent years, auto parts manufacturers have also developed rapidly. The vacuum die-casting mold for auto parts is a tool die-casting mold that completes the die-casting process of auto parts on a special die-casting die forging machine.

[0003] In the prior art, when a vacuum die-casting mold for automobile parts is used, due to vacuum die-casting, a large adsorption force needs to be overcome during demolding, and the commonly used method of pouring demolding oil easily causes more burrs to be generated at the demolding oil outlet, thereby increasing subsequent processing costs and reducing the practicality of the vacuum die-casting mold. Therefore, a vacuum die-casting mold for automobile parts is needed. Utility Model Content

[0004] In order to solve the above problems, the purpose of the utility model is to provide a vacuum die-casting mold for automobile parts to solve the problems raised in the above background technology.

[0005] To achieve the above purpose, the utility model proposes a vacuum die-casting mold for automobile parts, including a fixed mold and a movable mold, both of which are used for vacuum die-casting of automobile parts, a demoulding mechanism is fixedly provided on the top of the fixed mold, and a vacuum sealing mechanism is fixedly provided on the outer wall of the top of the fixed mold;

[0006] The demoulding mechanism includes a demoulding frame, a demoulding groove is provided in the middle position of the demoulding frame, a protective ring is fixedly provided at the top of the inner wall of the demoulding groove, a lifting frame is slidably provided on the inner wall of the demoulding groove, a positioning screw is rotatably provided at the middle position of the bottom of the demoulding frame, one end of the outer wall of the positioning screw is threadedly connected with the middle position of the bottom of the lifting frame, positioning grooves are provided on both sides of the inner wall of the demoulding groove, two ends of the outer wall of the lifting frame are respectively slidably connected with one end of the inner walls of the two positioning grooves, two ends of the inner wall of the demoulding frame are provided with oil outlet grooves, one end of the two oil outlet grooves are respectively connected with the two ends of the inner wall of the demoulding groove, a motor is fixedly provided at the bottom end of the demoulding frame, and the output end of the motor is fixedly connected to the bottom end of the positioning screw.

[0007] In one example, positioning columns are fixedly provided at the four corners of the top of the fixed mold, and the top of the fixed mold is slidably connected to the movable mold through the positioning columns.

[0008] In one example, the vacuum sealing mechanism includes a sealing groove, a lifting seat is slidably provided at the top end of the inner wall of the sealing groove, a plurality of positioning rods are fixedly provided at the bottom end of the lifting seat, a spring is inserted into one end of the outer wall of the plurality of positioning rods, a positioning block is fixedly provided at one end of the plurality of positioning rods, a positioning seat is fixedly provided at the bottom end of the inner wall of the sealing groove, the other ends of the outer walls of the plurality of positioning rods are inserted and connected with the positioning seat, and a protective pad is fixedly provided at the top end of the lifting seat.

[0009] In one example, a sealing frame is fixedly provided at the bottom end of the movable mold.

[0010] In one example, a sealing gasket is fixedly provided on the top of the sealing groove.

[0011] In one example, a die-casting groove is formed at the top of the fixed mold, and the sealing groove is located at the outer end of the die-casting groove.

[0012] In one example, a switch panel is fixedly provided on one side of the fixed mold, and the motor is electrically connected to an external power supply through the switch panel.

[0013] The vacuum die-casting mold for automobile parts proposed by the utility model can bring the following beneficial effects:

[0014] 1. The vacuum die-casting mold for automobile parts drives the positioning screw to rotate through the output end of the motor fixed on one side of the demoulding frame, and the lifting frame is lifted and lowered through the limit of the positioning groove, so that the inside of the oil outlet groove drives the demoulding oil to enter the inside of the demoulding groove through the external pressure, and the demoulding oil stored in the demoulding groove is squeezed into the gap between the mold and the automobile parts by pressure, so that there is no gap to generate burrs during daily die-casting, which increases the convenience of demoulding of automobile parts and avoids program waste.

[0015] 2. The vacuum die-casting mold for automobile parts contacts the top of the lifting seat through a protective pad through one side of the sealing frame, and the lifting seat is connected with the positioning seat through a positioning rod fixed at the bottom. Through the elastic deformation of the spring inserted in the outer wall of the positioning rod and the positioning of the positioning block, the sealing frame and the lifting seat are not only stably sealed, but also conveniently protected to avoid the hidden dangers of vacuum leakage and excessive pressure. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the cross-sectional structure of the vacuum die-casting mold of the utility model;

[0019] Figure 3 This is a schematic diagram of the demoulding mechanism structure of the utility model;

[0020] Figure 4 This is a schematic diagram of the enlarged node structure at point A in the figure of the utility model.

[0021] In the figure: 1. fixed mold; 2. movable mold; 3. positioning column; 4. die-casting groove; 5. demoulding frame; 6. sealing pad; 7. demoulding groove; 8. protective ring; 9. lifting frame; 10. positioning screw; 11. motor; 12. positioning groove; 13. oil outlet groove; 14. sealing groove; 15. lifting seat; 16. protective pad; 17. positioning seat; 18. positioning rod; 19. spring; 20. positioning block. DETAILED DESCRIPTION

[0022] In order to more clearly illustrate the overall concept of the present invention, a detailed description is given below in the form of examples in conjunction with the accompanying drawings.

[0023] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential" and the like indicating orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0024] The embodiments are as follows. The utility model provides Figure 1-4 The vacuum die-casting mold for automobile parts shown in the figure comprises a fixed mold 1 and a movable mold 2. Both the fixed mold 1 and the movable mold 2 are used for vacuum die-casting of automobile parts. A demoulding mechanism is fixedly arranged at the top of the fixed mold 1, and a vacuum sealing mechanism is fixedly arranged on the outer wall of the top of the fixed mold 1.

[0025] The demoulding mechanism includes a demoulding frame 5, a demoulding groove 7 is provided in the middle position of the demoulding frame 5, a protective ring 8 is fixedly provided at the top of the inner wall of the demoulding groove 7, a lifting frame 9 is slidably provided on the inner wall of the demoulding groove 7, a positioning screw 10 is rotatably provided at the middle position of the bottom of the demoulding frame 5, one end of the outer wall of the positioning screw 10 is threadedly connected to the middle position of the bottom of the lifting frame 9, positioning grooves 12 are provided on both sides of the inner wall of the demoulding groove 7, and the two ends of the outer wall of the lifting frame 9 are respectively slidably connected to one end of the inner wall of the two positioning grooves 12, and oil outlet grooves 13 are provided at both ends of the inner wall of the demoulding frame 5, and one end of the two oil outlet grooves 13 is respectively connected to the two ends of the inner wall of the demoulding groove 7, and a motor 11 is fixedly provided at the bottom end of the demoulding frame 5, and the output end of the motor 11 is fixedly connected to the bottom end of the positioning screw 10. The staff will correspond the fixed mold 1 and the movable mold 2 respectively It is installed on the die-casting machine for vacuum die-casting of automobile parts. After the die-casting work is completed, the positioning screw 10 is driven to rotate by the output end of the motor 11 fixed on one side of the demolding frame 5, so that the outer wall of the positioning screw 10 is threadedly connected to the lifting frame 9, so that the lifting frame 9 is lifted and lowered through the limit of the positioning groove 12, and the lifting frame 9 moves downward, so that one end of the oil outlet groove 13 connected to the inside of the demolding groove 7 is released, so that the inside of the oil outlet groove 13 drives the demolding oil to enter the inside of the demolding groove 7 through the external pressure, and is squeezed upward by the lifting frame 9, so that the demolding oil stored in the demolding groove 7 is pressed into the gap between the mold and the automobile parts, so that there is no gap to generate burrs during daily die-casting, which increases the convenience of demolding of automobile parts and avoids program waste.

[0026] Positioning columns 3 are fixedly provided at the four corners of the top of the fixed mold 1 , and the top of the fixed mold 1 is slidably connected to the movable mold 2 through the positioning columns 3 .

[0027] Furthermore, the vacuum sealing mechanism includes a sealing groove 14, a lifting seat 15 is slidably provided at the top end of the inner wall of the sealing groove 14, a plurality of positioning rods 18 are fixedly provided at the bottom end of the lifting seat 15, a spring 19 is inserted at one end of the outer wall of the plurality of positioning rods 18, a positioning block 20 is fixed at one end of the plurality of positioning rods 18, a positioning seat 17 is fixed at the bottom end of the inner wall of the sealing groove 14, the other ends of the outer walls of the plurality of positioning rods 18 are inserted and connected with the positioning seat 17, and a protective pad 16 is fixed at the top end of the lifting seat 15.

[0028] A sealing frame is fixed at the bottom end of the movable mold 2, and a sealing gasket 6 is fixed at the top end of the sealing groove 14. When the fixed mold 1 and the movable mold 2 are in contact, the sealing frame fixed on one side of the movable mold 2 is inserted into the sealing groove 14, and one side of the sealing frame is in contact with the top end of the lifting seat 15 through the protective pad 16. The lifting seat 15 is connected with the positioning seat 17 through the positioning rod 18 fixed at the bottom. Through the elastic deformation of the spring 19 inserted in the outer wall of the positioning rod 18 and the positioning of the positioning block 20, the sealing frame and the lifting seat 15 are not only stably sealed, but also conveniently protected to avoid the hidden dangers of vacuum deflation and excessive pressure.

[0029] A die-casting groove 4 is provided at the top of the fixed mold 1 , and a sealing groove 14 is located at the outer end of the die-casting groove 4 .

[0030] Furthermore, a switch panel is fixedly provided on one side of the fixed mold 1, and the motor 11 is electrically connected to an external power supply through the switch panel.

[0031] Each embodiment in this specification is described in a progressive manner, and the same or similar parts between the embodiments can be referred to each other, and each embodiment focuses on the differences from other embodiments. In particular, for the system embodiment, since it is basically similar to the method embodiment, the description is relatively simple, and the relevant parts can be referred to the partial description of the method embodiment.

[0032] The above description is only an embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent substitution, improvement, etc. made within the spirit and principle of the present invention shall be included in the scope of the claims of the present invention.

Claims

1. Vacuum die-casting molds for automotive parts, including: A fixed mold (1) and a movable mold (2), wherein the fixed mold (1) and the movable mold (2) are both used for vacuum die-casting of automobile parts, a demoulding mechanism is fixedly provided at the top of the fixed mold (1), and a vacuum sealing mechanism is fixedly provided on the outer wall of the top of the fixed mold (1); The present invention is characterized in that: the demoulding mechanism comprises a demoulding frame (5), a demoulding groove (7) is provided in the middle of the demoulding frame (5), a protective ring (8) is fixedly provided at the top of the inner wall of the demoulding groove (7), a lifting frame (9) is slidably provided on the inner wall of the demoulding groove (7), a positioning screw rod (10) is rotatably provided in the middle of the bottom of the demoulding frame (5), one end of the outer wall of the positioning screw rod (10) is threadedly connected to the middle of the bottom of the lifting frame (9), and the demoulding groove (7) is provided with a plurality of screw rods (10) and a plurality of screw rods (10) at the bottom of the demoulding frame (5). ) are provided with positioning grooves (12) on both sides of the inner wall, the two ends of the outer wall of the lifting frame (9) are respectively slidably connected to one end of the inner walls of the two positioning grooves (12), the two ends of the inner wall of the demoulding frame (5) are provided with oil outlet grooves (13), one end of the two oil outlet grooves (13) are respectively connected to the two ends of the inner wall of the demoulding groove (7), and the bottom end of the demoulding frame (5) is fixedly provided with a motor (11), and the output end of the motor (11) is fixedly connected to the bottom end of the positioning screw rod (10).

2. The vacuum die-casting mold for automobile parts according to claim 1, characterized in that: Positioning columns (3) are fixedly provided at the four corners of the top of the fixed mold (1), and the top of the fixed mold (1) is slidably connected to the movable mold (2) via the positioning columns (3).

3. The vacuum die-casting mold for automobile parts according to claim 1, characterized in that: The vacuum sealing mechanism comprises a sealing groove (14), a lifting seat (15) is slidably provided at the top end of the inner wall of the sealing groove (14), a plurality of positioning rods (18) are fixedly provided at the bottom end of the lifting seat (15), a spring (19) is inserted at one end of the outer wall of the plurality of positioning rods (18), a positioning block (20) is fixedly provided at one end of the plurality of positioning rods (18), a positioning seat (17) is fixedly provided at the bottom end of the inner wall of the sealing groove (14), the other ends of the outer walls of the plurality of positioning rods (18) are inserted and connected with the positioning seat (17), and a protective pad (16) is fixedly provided at the top end of the lifting seat (15).

4. The vacuum die-casting mold for automobile parts according to claim 1, characterized in that: A sealing frame is fixedly provided at the bottom end of the movable mold (2).

5. The vacuum die-casting mold for automobile parts according to claim 3, characterized in that: A sealing gasket (6) is fixedly provided at the top end of the sealing groove (14).

6. The vacuum die-casting mold for automobile parts according to claim 3, characterized in that: A die-casting groove (4) is provided at the top end of the fixed mold (1), and the sealing groove (14) is located at the outer end of the die-casting groove (4).

7. The vacuum die-casting mold for automobile parts according to claim 1, characterized in that: A switch panel is fixedly provided on one side of the fixed mold (1), and the motor (11) is electrically connected to an external power supply via the switch panel.

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