Spheroidal graphite casting mold with automatic mold jacking function

Abstract

The utility model discloses a spheroidal graphite casting mold with an automatic mold ejecting function. The spheroidal graphite casting mold comprises a base, a plurality of lower molds are connected to the base in an inserted mode, a guide supporting column is welded to the base, a supporting plate is connected to the guide supporting column in a sliding mode, and a plurality of upper molds are installed on the supporting plate. The upper mold and the lower mold are jointly provided with a locking structure, and when the upper mold slides downwards on the guide supporting columns to make contact with the lower mold, the upper mold and the lower mold are fixed through the locking structure. The upper dies with the number equal to that of the lower dies are arranged on the supporting plate, and the upper dies are located above the lower dies respectively, so that die assembly between the multiple upper dies and the lower dies can be achieved at the same time, and the machining efficiency is effectively improved; and a locking structure is arranged between the upper mold and the lower mold, so that mold closing and mold opening can be quickly realized, and the processing efficiency is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of molds, and specifically relates to a ductile iron casting mold with an automatic mold ejection function. Background Art

[0002] The "mold for ductile iron castings" with the authorization announcement number: CN210475434U and the authorization announcement date: May 8, 2020, includes a lower mold, a pouring gate and a cavity one. An upper mold is arranged above the lower mold. A cavity two is formed in the lower mold. The cavity one is formed in the upper mold. Cooling channels are arranged on one side of both the cavity one and the cavity two. An exhaust groove is arranged at the joint of the upper mold and the lower mold. A groove is formed at the upper end of the lower mold. The beneficial effects are as follows: By setting the cavity one, the cavity two, the groove and the convex block, the upper mold and the lower mold can be tightly connected, avoiding the generation of gaps, effectively preventing mold leakage, ensuring the quality of components. By setting the riser and the baffle, foreign impurities can be effectively blocked from entering, ensuring the cleanliness inside the mold, reducing the impurities in the casting, and avoiding the generation of sand holes.

[0003] However, there are still the following defects in the above existing technical solutions. After the existing ductile iron casting mold is formed, it needs to be taken out manually, which is time-consuming and laborious. Moreover, the upper mold and the lower mold are fixed by bolts, so the mold closing and mold opening are also time-consuming and laborious. Summary of the Utility Model

[0004] In view of the problems existing in the existing ductile iron casting mold with an automatic mold ejection function, the present utility model is proposed.

[0005] Therefore, the purpose of the present utility model is to provide a ductile iron casting mold with an automatic mold ejection function, which solves the problems that after the ductile iron casting mold in the above patent is formed, it needs to be taken out manually, which is time-consuming and laborious, and the upper mold and the lower mold are fixed by bolts, so the mold closing and mold opening are also time-consuming and laborious.

[0006] To solve the above technical problems, according to one aspect of the present utility model, the following technical solutions are provided:

[0007] A ductile iron casting mold with an automatic mold ejection function includes a base. A plurality of lower molds are inserted into the base. Guide support columns are welded on the base. A support plate is slidably connected to the guide support columns. A plurality of upper molds are installed on the support plate.

[0008] A locking structure is jointly installed on the upper mold and the lower mold. When the upper mold slides down on the guide support columns to contact the lower mold, the locking structure realizes the fixation between the upper mold and the lower mold.

[0009] As a preferred solution of a ductile iron casting mold with an automatic mold lifting function according to the present utility model, wherein: a guide sleeve is fixedly installed on the support plate, and the guide sleeve is slidably connected to the guide support column.

[0010] As a preferred solution of a ductile iron casting mold with an automatic mold lifting function according to the present utility model, wherein: a ring is welded on the guide support column, a first spring is sleeved on the guide support column, and the first spring is located between the ring and the support plate.

[0011] As a preferred solution of a ductile iron casting mold with an automatic mold lifting function according to the present utility model, wherein: a lifting mechanism is installed on the base;

[0012] The lifting mechanism includes a T-shaped support plate fixedly installed at the bottom of the base, an electric push rod is detachably installed on the T-shaped support plate, the top end of the electric push rod is detachably connected to a lifting block, a through hole is opened at the bottom of the lower mold, and the lifting block is inserted into the through hole.

[0013] As a preferred solution of a ductile iron casting mold with an automatic mold lifting function according to the present utility model, wherein: a first support connection seat is welded on the T-shaped support plate, the bottom end of the electric push rod is inserted into the first support connection seat, and the first support connection seat and the electric push rod are fixed by bolts;

[0014] The bottom end of the lifting block is welded with a second support connection seat, the top end of the electric push rod is inserted into the second support connection seat, and the second support connection seat and the electric push rod are fixed by bolts.

[0015] As a preferred solution of a ductile iron casting mold with an automatic mold lifting function according to the present utility model, wherein: the locking structure includes a fixed locking tongue block welded on the outer wall of the bottom of the upper mold, a fixed block welded on the top end of the lower mold, a groove is opened on the fixed block, a second spring is fixedly connected to the inner wall of the groove, the other end of the second spring is fixedly connected to a movable locking tongue block, the movable locking tongue block is slidably connected to the inner wall of the groove, a through hole is opened at the end of the groove, a pull rod is slidably connected to the inner wall of the through hole, and one end of the pull rod is fixedly connected to the movable locking tongue block.

[0016] Compared with the prior art:

[0017] 1. By arranging a plurality of lower molds on the base and arranging an equal number of upper molds on the support plate, and each upper mold is respectively located above each lower mold, the mold closing between a plurality of upper molds and lower molds can be realized simultaneously, thereby effectively improving the processing efficiency;

[0018] 2. A locking structure is commonly provided between the upper die and the lower die, enabling rapid mold clamping and mold opening, thereby further improving processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A structural schematic diagram provided by the present utility model;

[0020] Figure 2 Provided by the present utility model Figure 1 Cross-sectional view;

[0021] Figure 3 Provided by the present utility model Figure 2 Enlarged view of part A in;

[0022] Figure 4 Provided by the present utility model Figure 2 Enlarged view of part B in.

[0023] In the figure: base 1, T-shaped support plate 2, first support connection seat 3, guiding support column 4, lower die 5, circular ring 6, first spring 7, guide sleeve 8, fixed block 9, groove 91, injection port 10, upper die 11, electric push rod 12, fixed locking tongue block 13, through hole 14, slot 15, lifting block 16, movable locking tongue block 17, second spring 18, pull rod 19, perforation 20. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] To make the objectives, technical solutions and advantages of the present utility model clearer, the following will further describe the embodiments of the present utility model in detail with reference to the accompanying drawings.

[0025] The present utility model provides a ductile iron casting mold with automatic mold lifting. Please refer to Figures 1-4 , including a base 1. A plurality of lower dies 5 are inserted into the base 1. Specifically, slots 15 for inserting the lower dies 5 are formed in the base 1, and the lower dies 5 are welded to the base 1. Guiding support columns 4 are welded to the base 1, and a support plate is slidably connected to the guiding support columns 4. Upper dies 11 equal in number to the lower dies 5 are installed on the support plate, and each upper die 11 is located above the corresponding lower die 5. An injection port 10 is provided at the top end of the upper die 11, and the injection port 10 passes through a through hole in the support plate;

[0026] A locking structure is commonly installed on the upper die 11 and the lower die 5. When the upper die 11 slides downward on the guiding support columns 4 until it contacts the lower die 5, the locking structure fixes the upper die 11 and the lower die 5.

[0027] A guide sleeve 8 is fixedly installed on the support plate, and the guide sleeve 8 is slidably connected to the guiding support columns 4.

[0028] A circular ring 6 is welded on the guiding support column 4. A first spring 7 is sleeved on the guiding support column 4, and the first spring 7 is located between the circular ring 6 and the support plate.

[0029] A jacking mechanism is installed on the base 1;

[0030] The jacking mechanism includes a T-shaped support plate 2 fixedly installed at the bottom of the base 1. An electric push rod 12 is detachably installed on the T-shaped support plate 2. Specifically, a first support connection seat 3 is welded on the T-shaped support plate 2. The bottom end of the electric push rod 12 is inserted into the first support connection seat 3, and the first support connection seat 3 and the electric push rod 12 are fixed by bolts. The top end of the electric push rod 12 is detachably connected to a jacking block 16. Specifically, a second support connection seat is welded to the bottom end of the jacking block 16. The top end of the electric push rod 12 is inserted into the second support connection seat, and the second support connection seat and the electric push rod 12 are fixed by bolts. A through hole is formed at the bottom of the lower mold 5, and the jacking block 16 is inserted into the through hole. A through hole 14 communicating with the through hole at the bottom of the lower mold 5 is formed on the base 1, and the electric push rod 12 passes through the through hole 14.

[0031] The locking structure includes a fixed locking tongue block 13 welded on the outer wall of the bottom of the upper mold 11 and a fixed block 9 welded on the top end of the lower mold 5. The bottom surface of the fixed locking tongue block 13 is an arc surface. A groove 91 is formed on the fixed block 9. A second spring 18 is fixedly connected to the inner wall of the groove 91. The other end of the second spring 18 is fixedly connected to a movable locking tongue block 17. The top surface of the movable locking tongue block 17 is an arc surface. The movable locking tongue block 17 is slidably connected to the inner wall of the groove 91. A through hole 20 is formed at the end of the groove 91. A pull rod 19 is slidably connected to the inner wall of the through hole 20. One end of the pull rod 19 is fixedly connected to the movable locking tongue block 17; the support plate is pressed down, thereby compressing the spring. At the same time, the fixed locking tongue block 13 drives the movable locking tongue block 17 to move outward and compresses the second spring 18. When the fixed locking tongue block 13 passes over and drives the movable locking tongue block 17, the second spring 18 resets and drives the movable locking tongue block 17 to reset and be above the fixed locking tongue block 13, thereby realizing the clamping of the upper mold 11 and the lower mold 5.

[0032] During specific use, the support plate is pressed down, thereby compressing the spring. At the same time, the fixed locking tongue block 13 drives the movable locking tongue block 17 to move outward and compresses the second spring 18. When the fixed locking tongue block 13 passes over and drives the movable locking tongue block 17, the second spring 18 resets and drives the movable locking tongue block 17 to reset and be above the fixed locking tongue block 13, thereby realizing the clamping of the upper mold 11 and the lower mold 5; the molten liquid is injected through the injection port 10; after solidification, the pull rod 19 is pulled outward, thereby releasing the limit of the movable locking tongue block 17 on the fixed locking tongue block 13; the first spring 7 resets and drives the support plate and the upper mold 11 to rise, thereby realizing mold opening; the electric push rod 12 extends and drives the jacking block 16 to rise, thereby ejecting the casting.

[0033] Although the present utility model has been described above with reference to the embodiments, various modifications can be made thereto and components thereof can be replaced with equivalents without departing from the scope of the present utility model. In particular, as long as there is no structural conflict, the various features in the disclosed embodiments of the present utility model can be combined with each other in any way, and the exhaustive description of these combinations is not given in this specification only for the consideration of saving space and resources. Therefore, the present utility model is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A ductile iron casting mold with an automatic top mold, comprising a base (1), characterized in that: A plurality of lower molds (5) are plugged into the base (1), a guide support column (4) is welded to the base (1), a support plate is slidably connected to the guide support column (4), and a plurality of upper molds (11) are mounted on the support plate; The upper mold (11) and the lower mold (5) are jointly provided with a locking structure, and when the upper mold (11) slides downward on the guide support column (4) until it contacts the lower mold (5), the locking structure realizes the fixation between the upper mold (11) and the lower mold (5).

2. A ductile iron casting mold with automatic top mold according to claim 1, characterized in that: A guide sleeve (8) is fixedly mounted on the support plate, and the guide sleeve (8) is slidably connected to the guide support column (4).

3. A ductile iron casting mold with automatic top mold according to claim 1 or 2, characterized in that: A circular ring (6) is welded on the guide support column (4), and a first spring (7) is sleeved on the guide support column (4), wherein the first spring (7) is located between the circular ring (6) and the support plate.

4. A ductile iron casting mold with automatic top mold according to claim 1, characterized in that: A lifting mechanism is installed on the base (1); The lifting mechanism comprises a T-shaped support plate (2) fixedly mounted on the bottom of the base (1), an electric push rod (12) being detachably mounted on the T-shaped support plate (2), a lifting block (16) being detachably connected to the top end of the electric push rod (12), a through hole being provided at the bottom of the lower mold (5), and the lifting block (16) being inserted into the through hole.

5. A ductile iron casting mold with automatic top mold according to claim 4, characterized in that: A first support connection seat (3) is welded on the T-shaped support plate (2), the bottom end of the electric push rod (12) is inserted into the first support connection seat (3), and the first support connection seat (3) and the electric push rod (12) are fixed by bolts; A second supporting connection seat is welded to the bottom end of the lifting block (16), the top end of the electric push rod (12) is inserted into the second supporting connection seat, and the second supporting connection seat and the electric push rod (12) are fixed by bolts.

6. A ductile iron casting mold with automatic top mold according to claim 1, characterized in that: The locking structure comprises a fixed locking tongue block (13) welded on the outer wall at the bottom of the upper mold (11) and a fixed block (9) welded on the top of the lower mold (5); a groove (91) is provided on the fixed block (9); a second spring (18) is fixedly connected to the inner wall of the groove (91); the other end of the second spring (18) is fixedly connected to a movable locking tongue block (17); the movable locking tongue block (17) is slidably connected to the inner wall of the groove (91); a through hole (20) is provided at the end of the groove (91); the inner wall of the through hole (20) is slidably connected to a pull rod (19); one end of the pull rod (19) is fixedly connected to the movable locking tongue block (17).

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