Modeling mold

Abstract

The utility model discloses a modeling mold which comprises a mold body and an insert, the insert is installed on the mold body, and the insert and the mold body jointly form a forming cavity for manufacturing a sand core. And an exhaust structure is arranged on the insert and is communicated with the forming cavity. The exhaust structure can effectively solve the exhaust problem of molding sand shooting, the reject ratio of casting products is reduced, the production cost of enterprises is reduced, and the economic benefits of the enterprises are improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of molds, and in particular relates to a modeling mold. Background Art

[0002] There are various molding molds currently in use. Some molding molds have deep mold cavities, and the root of the mold cavity has poor venting. In addition, the root of the mold cavity is mostly a sharp-angle structure, and the vent plug cannot be pre-placed at the sharp-angle structure, which can easily cause the sand shot sand mold to be unsolid, and the cast castings to be fleshy. In addition, since the inner cavity depth of the casting is too deep, it is impossible to polish it manually, resulting in a high defective rate of the casting products, which increases the production cost of the enterprise and reduces the economic benefits of the enterprise. Summary of the invention

[0003] The technical problem to be solved by the utility model is to provide a molding die, which can effectively solve the exhaust problem of molding sand shooting, reduce the defective rate of casting products, reduce the production cost of the enterprise, and improve the economic benefits of the enterprise.

[0004] In order to solve the above technical problems, the technical solution of the utility model is:

[0005] A molding mold comprises a mold body and an insert, wherein the insert is mounted on the mold body and the insert and the mold body together form a molding cavity for making a sand core; an exhaust structure is provided on the insert and the exhaust structure is communicated with the molding cavity.

[0006] Furthermore, a first groove is provided on the first side of the mold body, a second groove is provided at the bottom of the first groove, a through hole is provided in the first groove, and the through hole is annularly arranged on the outside of the second groove; an annular groove is provided on the second side of the mold body, and the annular groove is connected to the through hole.

[0007] Furthermore, one side of the insert is recorded as side A, and the other side is recorded as side B; the side A faces the first side of the mold body; located on the side A, the insert is provided with a first boss and a protrusion, the first boss is provided with a second boss, the first boss, the second boss, and the protrusion all protrude toward the mold body, and the protrusion is annularly arranged on the outer circle of the first boss; when the insert is installed on the mold body, the protrusion blocks the through hole, the first boss is installed in cooperation with the first groove, and the second boss is installed in cooperation with the second groove.

[0008] Furthermore, the annular groove is formed by a first side wall and a second side wall, and the second side wall is arranged at an angle; the through hole extends from the first side portion to the surface of the second side wall of the second side portion; the first side wall, the second side wall and the protrusion together form the molding cavity.

[0009] Furthermore, the protrusion extends away from the second boss to the outer circle of the insert.

[0010] Furthermore, the protrusion has an inclined surface, and the inclined surface is arranged away from the second boss.

[0011] Furthermore, the exhaust structure includes an exhaust groove formed on the inclined surface of the protrusion, and the exhaust groove extends to the outer circle of the insert.

[0012] Furthermore, the width of the exhaust groove is 0.3 mm.

[0013] Furthermore, three exhaust grooves are provided, and the distance between adjacent exhaust grooves is 3 mm.

[0014] Furthermore, the second boss is provided with an insert threaded hole, the bottom of the second groove is provided with a mold body threaded hole, and the insert is fixedly connected to the mold body by bolts.

[0015] Due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0016] The molding mold includes a mold body and an insert. The insert is installed on the mold body, and the insert and the mold body together form a molding cavity for making sand cores. The insert is provided with an exhaust structure, and the exhaust structure is connected to the molding cavity. The exhaust structure can effectively solve the exhaust problem of molding sand shooting, reduce the defective rate of casting products, reduce the production cost of the enterprise, and improve the economic benefits of the enterprise. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional diagram of the modeling mold of the utility model;

[0018] Figure 2 It is a three-dimensional diagram of the molding die of the utility model from another angle;

[0019] Figure 3 It is a structural schematic diagram of the modeling die of the utility model;

[0020] Figure 4 yes Figure 3 Sectional view along AA direction;

[0021] Figure 5 yes Figure 1 A three-dimensional view of the middle mold body;

[0022] Figure 6 yes Figure 1 A three-dimensional view of the middle mold body from another angle;

[0023] Figure 7 yes Figure 1 A three-dimensional view of the insert in FIG.

[0024] Figure 8 yes Figure 7 A partial enlarged view of the middle B area;

[0025] In the figure, 1. mold body; 11. first groove; 12. second groove; 13. through hole; 14. threaded hole of mold body; 15. molding cavity; 16. first side wall; 17. second side wall; 2. insert; 21. first boss; 22. second boss; 23. protrusion; 231. inclined surface; 24. exhaust groove; 25. threaded hole of insert; 3. bolt. DETAILED DESCRIPTION

[0026] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0027] Combination Figure 1 , Figure 2 , Figure 3 ,as well as Figure 4 As shown together, a molding die comprises a die body 1 and an insert 2. The insert 2 is mounted on the die body 1, and the insert 2 and the die body 1 together form a molding cavity 15 for making a sand core.

[0028] Combination Figure 1 , Figure 2 , Figure 5 ,as well as Figure 6 As shown together, the first side of the mold body 1 is provided with a first groove 11, the bottom of the first groove 11 is provided with a second groove 12, the first groove 11 is provided with a through hole 13, and the through hole 13 is annularly arranged outside the second groove 12. The second side of the mold body 1 is provided with an annular groove, which is connected to the through hole 13.

[0029] Preferably, the annular groove is formed by the first side wall 16 and the second side wall 17, the second side wall 17 is arranged obliquely, and the intersection of the first side wall 16 and the second side wall 17 forms a sharp angle structure. The through hole 13 extends from the first side portion to the surface of the second side wall 17 of the second side portion, and the through hole 13 is close to the sharp angle structure at the intersection of the first side wall 16 and the second side wall 17.

[0030] Combination Figure 1 , Figure 2 , Figure 7 ,as well as Figure 8As shown together, one side of the insert 2 is marked as side A, and the other side is marked as side, and side A faces the first side of the mold body 1. Located at side A, a first boss 21 and a protrusion 23 are provided on the insert 2, and a second boss 22 is provided on the first boss 21. The first boss 21, the second boss 22, and the protrusion 23 all protrude toward the mold body 1. The number and position of the protrusions 23 correspond to those of the through holes 13, and the protrusions 23 are arranged in an annular manner on the outer circle of the first boss 21.

[0031] Combination Figures 1 to 8 As shown together, when the insert 2 is installed on the mold body 1, the protrusion 23 blocks the corresponding through hole 13, the first boss 21 is installed in cooperation with the first groove 11, and the second boss 22 is installed in cooperation with the second groove 12. The second boss 22 is preferably provided with an insert threaded hole 25, and the bottom of the second groove 12 is preferably provided with a mold body threaded hole 14. The insert 2 and the mold body 1 are preferably fixedly connected by bolts 3.

[0032] After installation, the first side wall 16, the second side wall 17 and the protrusion 23 together form a molding cavity 15. The side B of the insert 2 is flush with the first side of the mold body 1, and the side B of the insert 2 and the first side of the mold body 1 together form a sealing plane.

[0033] Preferably, the protrusion 23 extends away from the second boss 22 to the outer circumference of the insert 2 .

[0034] Further preferably, the protrusion 23 has an inclined surface 231 , and the inclined surface 231 is arranged away from the second boss 22 .

[0035] Combination Figures 1 to 8 As shown together, an exhaust structure is provided on the insert 2, the exhaust structure is connected to the molding cavity 15, and the exhaust structure is connected to the external environment.

[0036] Preferably, the exhaust structure includes an exhaust groove 24 formed on the inclined surface 231 of the protrusion 23 , and the exhaust groove 24 extends to the outer circle of the insert 2 , and the exhaust groove 24 is formed on the side B of the insert 2 and communicates with the surface of the side B.

[0037] More preferably, the width of the exhaust groove 24 is 0.3 mm. Preferably, three exhaust grooves 24 are provided, and the distance between adjacent exhaust grooves 24 is 3 mm.

[0038] The technical features named with serial numbers in this specification (such as the first side, the second side, the side A, the side B, the first boss, the second boss, the first groove, the second groove, the first side wall, the second side wall, etc.) are only for distinguishing the various technical features and do not represent the positional relationship, installation sequence and working sequence between the various technical features.

[0039] In the description of this specification, it is necessary to understand that the orientations or positional relationships described as "outer circle", "outside", "bottom of groove", etc. 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, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0040] Although the specific implementation methods of the utility model are described above, those skilled in the art should understand that the described embodiments are only part of the implementation methods of the utility model, rather than all the implementation methods, which are only examples, and the protection scope of the utility model is defined by the attached claims. Those skilled in the art can make various changes or modifications to these implementation methods without departing from the principle and essence of the utility model and without any creative work, but these changes and modifications fall within the protection scope of the utility model.

Claims

1. A molding die, characterized in that: It comprises a mould body and an insert, wherein the insert is mounted on the mould body and the insert and the mould body together form a moulding cavity for making a sand core; an exhaust structure is arranged on the insert and the exhaust structure is communicated with the moulding cavity.

2. The molding die according to claim 1, characterized in that: A first groove is provided on the first side of the mold body, a second groove is provided at the bottom of the first groove, a through hole is provided on the first groove, and the through hole is arranged in an annular shape on the outside of the second groove; an annular groove is provided on the second side of the mold body, and the annular groove is connected to the through hole.

3. The molding die according to claim 2, characterized in that: One side of the insert is marked as side A, and the other side is marked as side B; the side A faces the first side of the mold body; located on the side A, the insert is provided with a first boss and a protrusion, the first boss is provided with a second boss, the first boss, the second boss, and the protrusion all protrude toward the mold body, and the protrusion is arranged in a ring on the outer circle of the first boss; when the insert is installed on the mold body, the protrusion blocks the through hole, the first boss is installed in cooperation with the first groove, and the second boss is installed in cooperation with the second groove.

4. The molding die according to claim 3, characterized in that: The annular groove is formed by a first side wall and a second side wall, and the second side wall is arranged obliquely; the through hole extends from the first side portion to the surface of the second side wall of the second side portion; the first side wall, the second side wall and the protrusion together form the molding cavity.

5. The molding die according to claim 3, characterized in that: The protrusion extends away from the second boss to the outer circumference of the insert.

6. The molding die according to claim 3, characterized in that: The protrusion has an inclined surface, and the inclined surface is arranged away from the second boss.

7. The molding die according to claim 6, characterized in that: The exhaust structure comprises an exhaust groove formed on the inclined surface of the protrusion, and the exhaust groove extends to the outer circle of the insert.

8. The molding die according to claim 7, characterized in that: The width of the exhaust groove is 0.3 mm.

9. The molding die according to claim 8, characterized in that: There are three exhaust grooves, and the distance between adjacent exhaust grooves is 3 mm.

10. The molding die according to claim 3, characterized in that: The second boss is provided with an insert threaded hole, the bottom of the second groove is provided with a mold body threaded hole, and the insert is fixedly connected to the mold body by bolts.

Images