A die-casting mold for automobile parts with replaceable mold core

Abstract

The present invention relates to the technical field of die-casting molds, and discloses a die-casting mold for automobile parts with replaceable mold cores, the structure of which includes a base, the bottom of the base is fixedly installed with a support foot and a mounting shell, the top of the base is fixedly installed with a support rod and a cooling groove, the top of the support rod is fixedly connected to a limit block, the bottom surface of the limit block is installed with a spring, the other end of the spring is connected with a top cover, and the top of the top cover is installed with a fastening screw. The die-casting mold for automobile parts with replaceable mold cores fixes and separates the cooling groove and the die through a buckling mechanism, and the mold core inside the cooling groove can be replaced by opening the buckling mechanism and lifting the top cover, and the wedge groove opened at the bottom of the newly replaced mold core is matched with the wedge block at the top of the transmission shaft to install the mold core, and then the mold core is fixed between the cooling groove and the die by closing the buckling mechanism, and the versatility of the mold is improved by replacing the mold core.

Description

Technical Field

[0001] The invention discloses a die-casting die for automobile parts with a replaceable die core, belonging to the technical field of die-casting dies. Background Art

[0002] Die casting is a method of casting liquid die forging, a process completed on a dedicated die casting die forging machine. Its basic process is: the molten metal is first cast at a low speed or high speed to fill the mold cavity of the mold. The mold has a movable cavity surface. It is pressurized and forged as the molten metal cools, which not only eliminates the shrinkage and porosity defects of the blank, but also makes the internal structure of the blank reach the broken grains of the forged state. The comprehensive mechanical properties of the blank are significantly improved.

[0003] China's die-casting mold industry has developed rapidly, and the total output has increased significantly. The total output of domestic die-casting molds is second only to the United States. However, the existing die-casting molds are highly targeted. One die-casting mold can only mass-produce one type of part, and the type of part to be produced cannot be changed. The versatility is not strong. For this reason, we proposed a die-casting mold for automotive parts with replaceable mold cores. Summary of the invention

[0004] In view of the shortcomings of the prior art, the purpose of the present invention is to provide a die-casting mold for automotive parts with a replaceable mold core to solve the problems that the existing die-casting molds are highly targeted, one die-casting mold can only mass-produce one type of part, the type of parts to be produced cannot be changed, and the versatility is not strong.

[0005] In order to achieve the above-mentioned purpose, the present invention is realized by the following technical scheme: a die-casting mold for automobile parts with replaceable mold core, which structure includes a base, a support foot and a mounting shell are fixedly installed at the bottom of the base, a support rod and a cooling groove are fixedly installed at the top of the base, a limit block is fixedly connected to the top of the support rod, a spring is installed on the bottom surface of the limit block, the other end of the spring is connected to a top cover, a fastening screw is installed on the top of the top cover, a die is fixedly installed on the bottom surface of the top cover, a buckle mechanism is installed on the side of the die, a water outlet is opened on the side of the cooling groove, a cooling water pump is fixedly installed on the other side of the cooling groove, a motor is installed inside the mounting shell, a driving gear is fixedly installed on the output end of the motor, a passive gear is meshed on the side of the driving gear, a transmission shaft is fixedly connected to the top of the passive gear, a bearing is fixedly installed on the outer wall of the transmission shaft, a mold core is arranged inside the cooling groove, a wedge groove is opened at the bottom of the mold core, and the mold is connected to the transmission shaft through the wedge groove.

[0006] Furthermore, the buckling mechanism includes a buckling hook, a buckling ring and a fixed plate, the buckling hook is fixedly connected to the side wall of the die, the fixed plate is fixedly installed on the side wall of the cooling trough, the buckling ring and the fixed plate are movably connected, and the die and the cooling trough are installed together through the hanging mechanism.

[0007] Furthermore, a threaded hole is provided on the top of the top cover, and the threaded hole matches with a fastening screw. A threaded hole is provided on the top surface of the die that matches with the fastening screw. The top cover is fixedly connected by the die and the fastening screw, and the die is fixed by the fastening screw.

[0008] Furthermore, the buckling ring and the buckling hook are matched, the fixing plate is located directly below the buckling hook, the die and the cooling groove are fixedly connected by a buckling mechanism, and the mold core is cooled by the coolant inside the cooling groove.

[0009] Furthermore, the two ends of the spring are respectively fixedly connected to the limit block and the top cover, the spring is installed on the outside of the support rod, and the top cover is movably connected to the limit block through the spring, so that the replacement process is more labor-saving and simple.

[0010] Furthermore, a wedge block is provided on the top of the transmission shaft, and the wedge block fits with a wedge groove provided on the bottom surface of the mold core. The central axis of the wedge groove coincides with the central axis of the transmission shaft, and the mold core is driven to rotate through the transmission shaft.

[0011] Furthermore, the driving gear and the passive gear are adapted to each other, and the motor is movably connected to the driving gear and the passive gear, so that the motor drives the driving gear to rotate, and the driving gear drives the passive gear to rotate.

[0012] Furthermore, a mounting hole matching the transmission shaft is provided on the top surface of the base, a bearing is fixedly mounted on the top surface of the base, the base is movably connected to the transmission shaft through the bearing, and the bearing rotates at the center of the base.

[0013] Beneficial Effects

[0014] First, the cooling trough and the die are fixed and separated by a buckling mechanism. By opening the buckling mechanism and lifting the top cover, the mold core inside the cooling trough can be replaced. The wedge groove at the bottom of the newly replaced mold core is matched with the wedge block at the top of the transmission shaft to install the mold core. Then, the mold core is fixed between the cooling trough and the die by closing the buckling mechanism. By replacing the mold core, the versatility of the mold is improved and the application range is wider.

[0015] Second, the motor drives the driving gear to rotate, and the meshing of the driving gear and the driven gear drives the transmission shaft to rotate. The wedge-shaped block at the top of the transmission shaft fits with the wedge-shaped groove at the bottom of the mold core. The mold core rotates under the drive of the transmission shaft. The metal liquid inside the mold core discharges the bubbles inside the liquid while rotating, thereby improving the molding quality of the product.

[0016] Third, the cooling water pump drives the coolant to flow into the cooling tank, and the coolant flows out from the water outlet at the other end of the cooling tank. The coolant forms a cycle inside the cooling tank, and the mold core is always surrounded by the coolant. The coordinated use of the cooling water pump and the water outlet achieves the effect of quickly cooling the product inside the mold core.

[0017] Fourth, through the threaded hole opened on the top of the top cover, the top cover and the die can be fixed by tightening screws, and the die can be fixedly connected to the bottom of the top cover. Through the spring connected to the bottom of the limit block, the core replacement process can be simpler and more labor-saving. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Other features, objects and advantages of the present invention will become more apparent from the detailed description of non-limiting embodiments made with reference to the following drawings:

[0019] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0020] Figure 2 It is a schematic diagram of the internal structure of the present invention.

[0021] Figure 3 It is a schematic diagram of the top cover structure of the present invention.

[0022] Figure 4 It is a schematic diagram of the buckle mechanism structure of the present invention.

[0023] In the figure: 1. base; 2. support foot; 3. mounting shell; 4. support rod; 5. spring; 6. limit block; 7. injection port; 8. die; 9. snap-fit ​​mechanism; 10. cooling water pump; 11. water outlet; 12. top cover; 13. mold core; 14. wedge groove; 15. transmission shaft; 16. bearing; 17. passive gear; 18. driving gear; 19. motor; 20. fastening screw; 21. cooling trough; 91. snap-fit ​​hook; 92. snap-fit ​​hanging ring; 93. fixing plate. DETAILED DESCRIPTION

[0024] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0025] See also Figure 1-4The present invention provides a technical solution for a die-casting mold for automotive parts with a replaceable mold core: its structure includes a base 1, a support foot 2 and a mounting shell 3 are fixedly installed at the bottom of the base 1, a mounting hole matching a transmission shaft 15 is opened on the top surface of the base 1, a bearing 16 is fixedly installed on the top surface of the base 1, the base 1 is movably connected to the transmission shaft 15 through the bearing 16, the bearing 16 rotates at the center of the base 1, and an injection port 7 is opened on the top of the top cover 12.

[0026] A support rod 4 and a cooling groove 21 are fixedly installed on the top of the base 1, and the top of the support rod 4 is fixedly connected to a limiting block 6. A spring 5 is installed on the bottom surface of the limiting block 6. Both ends of the spring 5 are fixedly connected to the limiting block 6 and the top cover 12 respectively. The spring 5 is installed on the outside of the support rod 4, and the top cover 12 is movably connected to the limiting block 6 through the spring 5. The spring 5 makes the replacement process more labor-saving and simple.

[0027] The other end of the spring 5 is connected to the top cover 12, and a fastening screw 20 is installed on the top of the top cover 12. A threaded hole is opened on the top of the top cover 12, and the threaded hole and the fastening screw 20 are matched. The top surface of the die 8 is opened with a threaded hole that matches the fastening screw 20. The top cover 12 is fixedly connected by the die 8 and the fastening screw 20, and the die 8 is fixed by the fastening screw 20.

[0028] A die 8 is fixedly installed on the bottom surface of the top cover 12, and a buckling mechanism 9 is installed on the side of the die 8. The buckling mechanism 9 includes a buckling hook 91, a buckling ring 92 and a fixed plate 93. The buckling hook 91 is fixedly connected to the side wall of the die 8, and the fixed plate 93 is fixedly installed on the side wall of the cooling groove 21. The buckling ring 92 and the fixed plate 93 are movably connected. The die 8 and the cooling groove 21 are installed together through the hanging mechanism. The buckling ring 92 and the buckling hook 91 are matched with each other. The fixed plate 93 is located directly below the buckling hook 91. The die 8 and the cooling groove 21 are fixedly connected through the buckling mechanism 9, and the core 13 is cooled by the coolant inside the cooling groove 21.

[0029] A water outlet 11 is provided on the side of the cooling groove 21, and a cooling water pump 10 is fixedly installed on the other side of the cooling groove 21. A motor 19 is installed inside the mounting shell 3, and a driving gear 18 is fixedly installed on the output end of the motor 19. A passive gear 17 is meshed with the side of the driving gear 18. The driving gear 18 and the passive gear 17 are adapted to each other. The motor 19 is movably connected with the passive gear 17 through the driving gear 18, and the driving gear 18 is driven to rotate by the motor 19, and the driving gear 18 drives the passive gear 17 to rotate.

[0030] The top of the passive gear 17 is fixedly connected to the transmission shaft 15, and a wedge block is arranged on the top of the transmission shaft 15. The wedge block and the wedge groove 14 opened on the bottom surface of the mold core 13 are matched, and the central axis of the wedge groove 14 coincides with the central axis of the transmission shaft 15. The mold core 13 is driven to rotate by the transmission shaft 15, and the outer wall of the transmission shaft 15 is fixedly installed with a bearing 16. The mold core 13 is arranged inside the cooling groove 21, and the bottom of the mold core 13 is opened with a wedge groove 14, which is connected to the transmission shaft 15 through the wedge groove 14 through the model.

[0031] The main feature of the present invention is that when the device is in use, the cooling groove 21 and the die 8 are fixed and separated by the buckling mechanism 9. By opening the buckling mechanism 9 and lifting the top cover 12, the core 13 inside the cooling groove 21 can be replaced, the wedge groove 14 opened at the bottom of the newly replaced core 13 is matched with the wedge block at the top of the transmission shaft 15, and the core 13 is installed. Then, by closing the buckling mechanism 9, the core 13 is fixed between the cooling groove 21 and the die 8. By replacing the core 13, the versatility of the mold is improved and the scope of application is wider. The driving gear 18 is driven to rotate by the motor 19, and the transmission shaft 15 is driven to rotate by the meshing of the driving gear 18 and the driven gear 17. The wedge block at the top of the transmission shaft 15 is matched with the wedge groove 14 opened at the bottom of the core 13. The core 13 rotates driven by the transmission shaft 15, and the metal liquid inside the core 13 discharges the bubbles inside the liquid when rotating, thereby improving the molding quality of the product.

[0032] The main feature of the present invention is: the cooling liquid is driven to flow by the cooling water pump 10, so that the cooling liquid flows into the cooling tank 21, and the cooling liquid flows out from the water outlet 11 opened at the other end of the cooling tank 21. The cooling liquid forms a circulation inside the cooling tank 21, and the mold core 13 is always surrounded by the coolant. Through the coordinated use of the cooling water pump 10 and the water outlet 11, the effect of quickly cooling the product inside the mold core 13 is achieved. Through the threaded hole opened on the top of the top cover 12, the top cover 12 and the die 8 can be fixed by fastening screws 20, and the die 8 is fixedly connected to the bottom of the top cover 12. Through the spring 5 connected to the bottom of the limit block 6, the process of replacing the mold core 13 can be simpler and more labor-saving.

[0033] The problem solved by the present invention is that the die-casting mold is highly targeted, and one die-casting mold can only mass-produce one type of part, and the type of part to be produced cannot be changed, and the versatility is not strong.

[0034] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the attached claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0035] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A die-casting mold for automobile parts with a replaceable mold core, the structure of which includes a base (1), characterized in that: The bottom of the base (1) is fixedly mounted with a support foot (2) and a mounting shell (3); the top of the base (1) is fixedly mounted with a support rod (4) and a cooling groove (21); the top of the support rod (4) is fixedly connected to a limit block (6); the bottom surface of the limit block (6) is mounted with a spring (5); the other end of the spring (5) is connected to a top cover (12); the top of the top cover (12) is mounted with a fastening screw (20); the bottom surface of the top cover (12) is fixedly mounted with a die (8); the top of the top cover (12) is provided with an injection port (7); the side of the die (8) is mounted with a buckle mechanism (9); the cooling A water outlet (11) is provided on the side of the groove (21); a cooling water pump (10) is fixedly installed on the other side of the cooling groove (21); a motor (19) is installed inside the mounting shell (3); a driving gear (18) is fixedly installed on the output end of the motor (19); a driven gear (17) is meshed with the side of the driving gear (18); a transmission shaft (15) is fixedly connected to the top of the driven gear (17); a bearing (16) is fixedly installed on the outer side wall of the transmission shaft (15); a mold core (13) is provided inside the cooling groove (21); a wedge-shaped groove (14) is provided at the bottom of the mold core (13); The buckling mechanism (9) comprises a buckling hook (91), a buckling ring (92) and a fixing plate (93), wherein the buckling hook (91) is fixedly connected to the side wall of the die (8), the fixing plate (93) is fixedly installed on the side wall of the cooling groove (21), and the buckling ring (92) and the fixing plate (93) are movably connected; A wedge-shaped block is arranged on the top of the transmission shaft (15), and the wedge-shaped block is matched with a wedge-shaped groove (14) provided on the bottom surface of the mold core (13), and the central axis of the wedge-shaped groove (14) coincides with the central axis of the transmission shaft (15).

2. The die-casting mold for automobile parts with replaceable mold core according to claim 1, characterized in that: The top of the top cover (12) is provided with a threaded hole that penetrates therethrough, and the threaded hole is matched with the fastening screw (20). The top surface of the die (8) is provided with a threaded hole that is matched with the fastening screw (20). The top cover (12) is fixedly connected via the die (8) and the fastening screw (20).

3. The die-casting mold for automobile parts with replaceable mold core according to claim 1, characterized in that: The buckling ring (92) and the buckling hook (91) are matched, the fixing plate (93) is located directly below the buckling hook (91), and the pressing die (8) and the cooling groove (21) are fixedly connected via a buckling mechanism (9).

4. The die-casting mold for automobile parts with replaceable mold core according to claim 1, characterized in that: The two ends of the spring (5) are respectively fixedly connected to the limit block (6) and the top cover (12); the spring (5) is installed on the outside of the support rod (4); and the top cover (12) is movably connected to the limit block (6) through the spring (5).

5. The die-casting mold for automobile parts with replaceable mold core according to claim 1, characterized in that: The driving gear (18) and the driven gear (17) are matched, and the motor (19) is movably connected to the driving gear (18) and the driven gear (17).

6. The die-casting mold for automobile parts with replaceable mold core according to claim 1, characterized in that: The top surface of the base (1) is provided with a mounting hole that matches the transmission shaft (15), a bearing (16) is fixedly mounted on the top surface of the base (1), and the base (1) is movably connected to the transmission shaft (15) via the bearing (16).

Images